html{overflow-x:hidden;overflow-y:auto;scroll-behavior:smooth}#root,.app{min-height:100vh;overflow-x:hidden;overflow-y:auto}:root{--bg-color:#fff;--text-color:#1a1a1a;--card-bg:#fff;--border-color:#e5e7eb;--hover-bg:#f3f4f6;--accent-color-rgb:26,180,217;--error-bg:#fef2f2;--success-bg:#f0fdf4;--tooltip-bg:#374151;--tooltip-text:#fff;--overlay-bg:#000000bf;--side-panel-bg:#fff;--menu-hover:#f3f4f6;--disabled-bg:#e5e7eb;--disabled-text:#9ca3af;--question-bg:#f0f4f8;--question-text:#2d3748;--secondary-text:#718096;--modal-bg:#fff;--dropdown-bg:#fff;--stats-bg:#f0f4f8;--word-hover:#2563eb0d;--word-text:#3b82f6;--learn-word-bg:#fef3c7;--learn-word-border:#fbbf24;--learn-word-text:#b45309;--record-progress-bg:#edf2f7;--record-progress-fill:#f56565;--dark-bg:#1a202c;--dark-card-bg:#2d3748;--dark-text:#e2e8f0;--dark-secondary-text:#a0aec0;--dark-border:#4a5568;--dark-input-bg:#2d3748;--dark-input-border:#4a5568;--dark-input-text:#e2e8f0;--dark-button-bg:#3182ce;--dark-button-hover:#2c5282;--dark-error-bg:#742a2a;--dark-error-border:#9b2c2c;--dark-error-text:#feb2b2}.dark-theme{--bg-color:#111827;--text-color:#f3f4f6;--card-bg:#1f2937;--border-color:#374151;--hover-bg:#2d3748;--accent-color:#1ab4d9;--accent-color-rgb:26,180,217;--error-color:#ef4444;--success-color:#22c55e;--error-bg:#ef444426;--success-bg:#22c55e26;--tooltip-bg:#4b5563;--tooltip-text:#f3f4f6;--overlay-bg:#000000bf;--side-panel-bg:#1f2937;--menu-hover:#2d3748;--disabled-bg:#374151;--disabled-text:#9ca3af;--question-bg:#2d3748;--question-text:#f3f4f6;--secondary-text:#9ca3af;--modal-bg:#1f2937;--dropdown-bg:#1f2937;--stats-bg:#2d3748;--word-hover:#3b82f61a;--word-text:#60a5fa;--learn-word-bg:#fbbf241a;--learn-word-border:#d97706;--learn-word-text:#fbbf24;--button-primary:#3b82f6;--button-primary-text:#fff;--button-success:#22c55e;--button-success-text:#fff;--record-progress-bg:#374151;--record-progress-fill:#ef4444}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f3f4f6;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol;margin:0;min-height:100vh;padding:0;transition:background-color .3s ease}body,body.dark-theme{overflow-x:hidden;overflow-y:auto}body.dark-theme{background-color:#1a202c;background-color:var(--dark-bg)}.container{align-items:center;background-color:#fff;background-color:var(--bg-color);color:#1a1a1a;color:var(--text-color);display:flex;justify-content:center;min-height:100vh;overflow:visible;position:relative;width:100vw;z-index:1}.container.lesson-page .side-panel{display:flex;transform:translateX(-100%);transition:transform .3s ease}.container.lesson-page .side-panel.expanded{transform:translateX(0)}.container.lesson-page .main-content{margin-left:0;padding-left:0}.loading-state{align-items:center;display:flex;flex-direction:column;gap:8px;justify-content:center;min-height:200px;padding:24px;text-align:center;width:100%}.loading-text{color:#1a1a1a;color:var(--text-color);font-size:18px;margin-top:0;opacity:.8}.partial-loading-state{align-items:center;display:flex;flex:1 1;flex-direction:column;gap:12px;justify-content:center;min-height:120px;padding:32px 16px;width:100%}.partial-loading-text{animation:partialLoadFade 1.6s ease-in-out infinite;color:#718096;color:var(--secondary-text);font-size:14px;opacity:.85;text-align:center}@keyframes partialLoadFade{0%,to{opacity:.55}50%{opacity:1}}.card{background:#fff;background:var(--card-bg);border-color:#e5e7eb;border-color:var(--border-color);border-radius:16px;box-shadow:0 4px 16px #00000014;height:350px;margin:70px auto 0;max-width:1000px;position:relative;transition:all .3s ease;width:100%}.card,.card.chat-mode{display:flex;flex-direction:column;overflow:visible}.card.chat-mode{height:385px;margin-top:70px;padding-bottom:60px}@media (min-width:769px) and (max-width:1199px){.card{box-sizing:border-box!important;margin-top:70px!important;position:relative!important}.card,.card.chat-mode{margin-left:auto!important;margin-right:auto!important;max-width:1000px!important;width:calc(100% - 40px)!important}.container,.lesson-area,.main-content{box-sizing:border-box!important}.container,.container.lesson-page,.lesson-area,.main-content{padding-left:20px!important;padding-right:20px!important}.container.lesson-page .main-content,.container.lesson-page.lesson-v2{padding-left:0!important;padding-right:0!important}.container.lesson-page .main-content{margin-left:0!important;margin-right:0!important}}@media (min-width:1200px){.card{height:min(350px,60vh)!important;left:0!important;margin-left:auto!important;margin-right:auto!important;max-width:1200px!important;position:relative!important;right:0!important}.card.chat-mode{height:min(720px,calc(100vh - 240px))!important;max-width:min(1400px,calc(100vw - 64px))!important}.container.lesson-page,.container.lesson-page .main-content{padding-left:0!important;padding-right:0!important}.container.lesson-page .main-content{margin-left:0!important;margin-right:0!important}}@media (min-width:1440px){.card{height:min(360px,60vh)!important;left:0!important;margin-left:auto!important;margin-right:auto!important;max-width:1400px!important;position:relative!important;right:0!important}.card.chat-mode{height:min(820px,calc(100vh - 240px))!important;max-width:min(1600px,calc(100vw - 80px))!important}}@media (min-width:1920px){.card{height:min(370px,60vh)!important;left:0!important;margin-left:auto!important;margin-right:auto!important;max-width:1600px!important;position:relative!important;right:0!important}.card.chat-mode{height:min(980px,calc(100vh - 240px))!important;max-width:min(1800px,calc(100vw - 96px))!important}}@media (min-width:2560px){.card{height:min(450px,65vh)!important;left:0!important;margin-left:auto!important;margin-right:auto!important;max-width:2000px!important;position:relative!important;right:0!important}.card.chat-mode{height:min(1200px,calc(100vh - 260px))!important;max-width:min(2200px,calc(100vw - 120px))!important}}@media (min-width:3200px){.card{height:min(750px,80vh)!important;left:0!important;margin-left:auto!important;margin-right:auto!important;max-width:2400px!important;position:relative!important;right:0!important}.card.chat-mode{height:min(1500px,calc(100vh - 280px))!important;max-width:min(2600px,calc(100vw - 140px))!important}}@media (min-width:3840px){.card{height:min(900px,85vh)!important;left:0!important;margin-left:auto!important;margin-right:auto!important;max-width:2800px!important;position:relative!important;right:0!important}.card.chat-mode{height:min(1700px,calc(100vh - 300px))!important;max-width:min(3000px,calc(100vw - 160px))!important}}.card.chat-mode .card-content{display:flex;flex:1 1;flex-direction:column;overflow:visible}.card-content{display:flex;flex-direction:column;height:90%;justify-content:space-between;overflow:visible;padding:-5px 16px 16px}.card-content>.loading-state{margin:auto}.card-content>.loading-state,.chat-with-avatar .loading-state{align-items:center;justify-content:center;width:100%;z-index:10}.chat-with-avatar .loading-state{display:flex;flex-direction:column}.question-section{align-items:center;display:flex;flex:1 1;flex-direction:column;gap:16px;max-height:200px;min-height:160px;position:relative}.question-text{align-items:center;background-color:#f0f4f8;background-color:var(--question-bg);border-radius:12px;color:#2d3748;color:var(--question-text);display:flex;flex-wrap:wrap;font-size:16px;font-weight:500;gap:2px;height:60px;justify-content:center;line-height:1.4;margin:0 auto;padding:8px 16px;text-align:center;transition:color .3s ease,background-color .3s ease;width:95%}.question-text.rtl{direction:rtl;unicode-bidi:bidi-override}.question-text.rtl .word{display:inline-block;unicode-bidi:isolate}.question-text.correct{background-color:#f0fdf4;background-color:var(--success-bg);color:#22c55e;color:var(--success-color)}.question-text.incorrect{background-color:#ef444426;color:#ef4444;color:var(--error-color)}.transliteration-text{color:#718096;color:var(--secondary-text);font-size:18px;font-style:italic;margin:0;min-height:24px;text-align:center}.recording-container{align-items:center;display:flex;flex-direction:column;margin-top:auto;min-height:120px;padding:12px 0;position:relative}.recording-container .transliteration-text{left:0;margin:0;min-height:24px;position:absolute;right:0;text-align:center;top:0}.recording-container .loading-state{align-items:center;min-height:100px;top:50%}.record-button,.recording-container .loading-state{display:flex;justify-content:center;left:50%;position:absolute;transform:translate(-50%,-50%);width:100%}.record-button{background:none;border:none;cursor:pointer;margin:0;opacity:1;padding:0;top:40%;transition:all .3s ease;visibility:visible}.record-button.hidden{opacity:0;pointer-events:none;position:absolute;visibility:hidden}.record-button-content{align-items:center;background:#1ab4d9;background:var(--accent-color);border-radius:50px;color:#fff;color:var(--button-primary-text);display:flex;gap:12px;justify-content:center;margin:0 auto;min-width:200px;padding:12px 32px;transition:all .3s ease}.record-button-content.recording-active{animation:pulse 2s infinite;background:#f56565}.record-button-text{font-size:18px;font-weight:500}.recording-progress{background:#edf2f7;background:var(--record-progress-bg);border-radius:2px;height:4px;left:50%;margin:0;max-width:300px;opacity:0;overflow:hidden;position:absolute;top:65%;transform:translateX(-50%);transition:opacity .3s ease;width:100%}.recording-progress.active{opacity:1}.progress-bar{background:#f56565;background:var(--record-progress-fill);height:100%;transition:width .1s linear}.text-actions{display:flex;gap:12px;justify-content:center;margin:8px 0}.hint-button,.play-button,.translation-toggle-button{align-items:center;background:#f0f4f8;background:var(--question-bg);border:none;border-radius:8px;cursor:pointer;display:flex;height:40px;justify-content:center;padding:8px;transition:background-color .2s ease;width:40px}.hint-button:hover,.play-button:hover,.translation-toggle-button:hover{background:#f3f4f6;background:var(--hover-bg)}.play-button:disabled{background:#e5e7eb;background:var(--disabled-bg);cursor:not-allowed;opacity:.5}.hint-button svg,.play-button svg,.translation-toggle-button svg{color:#1a1a1a;color:var(--text-color);height:24px;width:24px}.play-button.playing{background:#f3f4f6;background:var(--hover-bg)}.play-button.playing,.play-button.playing svg{color:#1ab4d9;color:var(--accent-color)}.hint-button.active,.translation-toggle-button.active{background:#f3f4f6;background:var(--hover-bg);color:#1ab4d9;color:var(--accent-color)}.hint-button.active svg,.translation-toggle-button.active svg{color:#1ab4d9;color:var(--accent-color)}[title]{position:relative}[title]:after,[title]:before{display:none}.next-button-container{display:flex;justify-content:center;left:50%;opacity:0;position:absolute;top:50%;transform:translate(-50%,-50%);transition:all .3s ease;visibility:hidden;width:100%}.next-button-container.visible{opacity:1;position:relative;visibility:visible}.next-button{align-items:center;background:#48bb78;background:var(--button-success);border:none;border-radius:50px;color:#fff;color:var(--button-success-text);cursor:pointer;display:flex;font-size:18px;font-weight:500;gap:8px;justify-content:center;margin-top:32px;min-width:200px;padding:12px 32px;transition:all .2s ease}.next-button:hover{background:#38a169;transform:translateY(-1px)}.word{align-items:center;border:1.5px solid #e2e8f00d;border-radius:8px;box-sizing:border-box;display:inline-flex;font-size:clamp(22px,4vw,32px);font-weight:600;height:auto;line-height:1.2;margin:0 2px;max-width:100%;min-height:36px;overflow-wrap:break-word;padding:4px 6px;position:relative;transition:all .2s ease;word-break:break-word;z-index:45}.word.punctuation{background:none;border:none;cursor:default;font-weight:400;min-height:auto;padding:0}.word.punctuation:hover{background:none;transform:none}.word:hover{background-color:#2563eb0d;background-color:var(--word-hover);color:#3b82f6;color:var(--word-text)}.recording .word:not(.clickable-word):hover{background-color:initial;color:inherit;cursor:default}.clickable-word{border-bottom:1px dotted #96969666;cursor:pointer;position:relative}.clickable-word:hover:after{animation:fadeIn .2s ease-in-out;background:#3c3c3cd9;border-radius:3px;bottom:120%;box-shadow:0 1px 3px #0003;color:#fff;content:"Click if you forgot";font-size:11px;left:50%;margin-bottom:5px;padding:3px 6px;pointer-events:none;position:absolute;transform:translateX(-50%);white-space:nowrap;z-index:1000}.word.learn-word{background-color:#fef3c7;background-color:var(--learn-word-bg);border:2px solid #fbbf24;border:2px solid var(--learn-word-border);border-radius:8px;box-shadow:0 1px 2px #fbbf241a;color:#b45309;color:var(--learn-word-text);font-size:clamp(22px,4vw,32px);font-weight:700;height:auto;line-height:1.2;min-height:36px;padding:4px 6px;transition:all .2s ease}.chat-text .word.learn-word{border-radius:4px;margin:0 2px;padding:2px 4px}.word.learn-word:hover{background-color:#fef3c7;background-color:var(--learn-word-bg);border-color:#fbbf24;border-color:var(--learn-word-border);color:#b45309;color:var(--learn-word-text)}.chat-text .word.learn-word:hover,.word.learn-word:hover{box-shadow:0 2px 4px #fbbf2426;transform:translateY(-1px)}.chat-text .word.grammar-highlight{border-bottom:2px solid #a78bfa;cursor:pointer;position:relative}.chat-text .word.grammar-highlight:hover:after{animation:grammarTooltipIn .15s ease;background:#8b5cf6eb;border-radius:6px;bottom:calc(100% + 6px);color:#fff;content:attr(data-grammar-tooltip);font-size:.65rem;font-weight:600;left:50%;padding:4px 10px;pointer-events:none;position:absolute;transform:translateX(-50%);white-space:nowrap;z-index:3000}.chat-text .word.grammar-highlight:hover:before{border:4px solid #0000;border-top-color:#8b5cf6eb;bottom:calc(100% + 2px);content:"";left:50%;pointer-events:none;position:absolute;transform:translateX(-50%);z-index:3000}@keyframes grammarTooltipIn{0%{opacity:0;transform:translateX(-50%) translateY(4px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}.word.selected{background-color:#2563eb0d;background-color:var(--word-hover);color:#3b82f6;color:var(--word-text);z-index:101}.tooltip-arrow:before{border-bottom:9px solid #e5e7eb;border-bottom:9px solid var(--border-color);border-left:9px solid #0000;border-right:9px solid #0000;content:"";left:50%;position:absolute;top:-1px;transform:translateX(-50%);z-index:99}.word-details{display:flex;flex-direction:column;gap:4px}.word-text{border-bottom:1px solid #e5e7eb;border-bottom:1px solid var(--border-color);color:#718096;color:var(--secondary-text);font-style:italic;padding-bottom:4px}.word-translation{align-items:center;color:#1a1a1a;color:var(--text-color);display:flex;font-size:16px;font-weight:500;gap:4px;padding-left:8px;position:relative}.word-translation:before{background-color:#1ab4d9;background-color:var(--accent-color);border-radius:2px;content:"";height:16px;left:-4px;position:absolute;top:50%;transform:translateY(-50%);width:3px}.app-header{align-items:center;cursor:pointer;display:flex;gap:12px;justify-content:flex-start;left:20px;padding-left:60px;position:absolute;top:5px;transition:all .2s ease;width:calc(100% - 100px);z-index:999}.app-header:hover{transform:translateY(-1px)}.lesson-page .app-header{padding-left:0}.learn-page .app-header{padding-left:60px}.app-name{color:#1a1a1a;color:var(--text-color);font-size:18px;font-weight:600;letter-spacing:-.01em}.app-name span{color:#1ab4d9;color:var(--accent-color)}.language-pair-container{align-items:center;display:flex;margin-left:auto;margin-right:24px;position:relative;z-index:1500}.language-pair{background:#0000;border:none;border-radius:0;box-shadow:none;color:#1a1a1a;color:var(--text-color);font-size:13px;gap:8px;padding:0}.learn-page .language-pair{align-items:center!important;background:#0000!important;border:none!important;border-radius:0!important;box-shadow:none!important;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif!important;min-height:auto!important;padding:0!important;transition:all .2s ease!important}.learn-page .language-pair:hover{background:#0000!important;border:none!important;box-shadow:none!important;transform:none!important}.learn-page .selected-language,.learn-page .selected-language:hover{transform:none!important;transition:all .2s ease!important}.learn-page .selected-language:hover{background:#f3f4f6!important;background:var(--hover-bg)!important;box-shadow:none!important}.learn-page .arrow{transform:none!important;transition:transform .2s ease!important}.learn-page .arrow.open{transform:rotate(180deg)!important}.learn-page .language-pair-container{margin-left:auto!important;margin-right:24px!important}.learn-page .selected-language{font-size:13px!important;max-width:150px!important;min-height:auto!important;min-width:150px!important;overflow:hidden!important;padding:4px 8px!important;text-overflow:ellipsis!important;white-space:nowrap!important;width:150px!important}.learn-page .language-flag{height:12px!important;width:18px!important}.separator{color:#718096;font-size:16px}.stats-container{align-items:center;background:#f0f4f8;background:var(--stats-bg);border-radius:12px;box-shadow:0 1px 2px #0000000d;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;gap:4px;height:30px;justify-content:space-evenly;margin:0 40px;min-width:320px;padding:6px 12px;position:relative;transition:all .2s ease;z-index:1000}.stats-container:hover{background:#f3f4f6;background:var(--hover-bg);box-shadow:0 2px 5px #0000001a}.stat-item:hover{z-index:51}.stat-item:hover .word-dropdown,.word-dropdown:hover{display:block}.stat-item{gap:4px;height:30px;min-width:0;padding:0;z-index:40}.stat-item,.stat-item-container{align-items:center;display:flex;flex:1 1;justify-content:center;position:relative}.stat-item .stat-label{color:#718096;color:var(--secondary-text);font-size:13px;font-weight:500;margin-right:2px}.stat-item .stat-label,.stat-item .stat-value{align-items:center;display:inline-flex;margin-bottom:0}.stat-item .stat-value{color:#1a1a1a;color:var(--text-color);font-size:12px;font-weight:600}.word-dropdown{background:#fff;background:var(--dropdown-bg);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:8px;box-shadow:0 4px 6px #0000001a;left:auto;margin-top:4px;max-height:400px;max-width:350px;min-width:250px;overflow:hidden;position:absolute;right:0;top:100%;transform:none;z-index:50}.dropdown-header{background:#f0f4f8;background:var(--question-bg);font-size:14px;top:0}.dropdown-header,.dropdown-search{padding:8px 12px;position:sticky;z-index:2}.dropdown-search{background:#fff;background:var(--dropdown-bg);border-bottom:1px solid #e5e7eb;border-bottom:1px solid var(--border-color);top:35px}.dropdown-search input{background-color:#f0f4f8;background-color:var(--question-bg);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:6px;box-sizing:border-box;color:#1a1a1a;color:var(--text-color);font-size:13px;margin:0;padding:6px 12px;transition:all .2s ease;width:100%}.dropdown-search input:focus{background-color:#fff;border-color:#1ab4d9;border-color:var(--accent-color);box-shadow:0 0 0 2px #4299e11a;outline:none}.dropdown-search input::placeholder{color:#a0aec0}.dropdown-content{max-height:300px;overflow-y:auto;padding:8px 0;position:relative;z-index:1}.dropdown-word{align-items:center;color:#1a1a1a;color:var(--text-color);cursor:default;display:flex;font-size:14px;justify-content:space-between;padding:6px 12px;transition:background-color .2s}.dropdown-word .word-text{font-weight:500}.dropdown-word .word-due{color:#718096;color:var(--secondary-text);font-size:12px;margin-left:8px}.dropdown-word:hover{background-color:#f3f4f6;background-color:var(--hover-bg)}input[type=search]{background-color:#fff;border:1px solid #e5e7eb;border-radius:6px;color:#1f2937;font-size:14px;margin:4px 0;padding:8px 12px;width:100%}.language-dropdown{background:#fff;border:1px solid #e5e7eb;box-shadow:0 4px 12px #0000001a;max-height:300px;right:0;z-index:1550}.language-dropdown input{box-sizing:border-box;margin:8px;width:calc(100% - 16px)}.main-content{align-items:center;box-sizing:border-box;display:flex;flex-direction:column;flex-grow:1;justify-content:center;min-height:100vh;overflow-y:auto;padding:40px;position:relative;transition:padding-left .3s ease-in-out,filter .3s ease}.main-content.blurred{filter:blur(4px);pointer-events:none;-webkit-user-select:none;user-select:none}.side-panel{background:#fff;background:var(--side-panel-bg);border-color:#e5e7eb;border-color:var(--border-color);box-shadow:4px 0 8px #0000001a;display:flex;flex-direction:column;height:100vh;left:0;position:fixed;top:0;transform:translateX(0);transition:width .3s ease;width:64px;z-index:1000}.side-panel.expanded{width:280px}.overlay{-webkit-backdrop-filter:none;backdrop-filter:none;background:#000000bf;background:var(--overlay-bg);height:100vh;left:0;opacity:0;position:fixed;top:0;transition:all .3s ease;visibility:hidden;width:100vw;z-index:999}.overlay.visible{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);opacity:1;visibility:visible}.side-panel-header{align-items:center;border-bottom:1px solid #e5e7eb;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;min-height:64px;padding:20px}.side-panel-close{align-items:center;background:none;border:none;border-radius:6px;color:#1a1a1a;color:var(--text-color);cursor:pointer;display:flex;justify-content:center;padding:8px;transition:all .2s ease}.side-panel-close:hover{background:#f3f4f6;background:var(--hover-bg);opacity:.8}.side-panel-content{display:flex;flex:1 1;flex-direction:column;gap:12px;padding:20px}.menu-item{align-items:center;background:none;border:none;border-radius:8px;color:#1a1a1a;color:var(--text-color);cursor:pointer;display:flex;gap:12px;margin:4px 0;padding:12px 16px;transition:all .2s ease;width:100%}.menu-item:hover{background-color:#6366f11a}.menu-item svg{flex-shrink:0;height:22px;transition:all .2s ease;width:22px}.menu-item span{font-size:15px}.menu-item.danger{color:#ef4444}.menu-item.danger:hover{background-color:#ef44441a}.menu-item.danger svg{color:#ef4444}.menu-item.logout{color:#6b7280;margin-top:auto}.menu-item.logout:hover{background-color:#6b72801a;color:#4b5563}.dark-theme .menu-item.logout svg{color:#9ca3af}.dark-theme .menu-item.logout:hover svg{color:#d1d5db}.side-panel.collapsed .menu-item{justify-content:center;padding:12px 8px}.side-panel.collapsed .menu-item span{display:none}.side-panel.collapsed .side-panel-header{justify-content:center;padding:12px}.side-panel.collapsed .app-name{display:none}.side-panel.collapsed .side-panel-close{margin:0;padding:8px}.auth-container{align-items:center;background-color:#f3f4f6;box-sizing:border-box;display:flex;justify-content:center;margin:0;min-height:100vh;min-width:100vw;padding:20px;transition:background-color .3s ease}.auth-container.dark-theme{background-color:#1a202c;background-color:var(--dark-bg)}.auth-card{background-color:#fff;border-radius:16px;box-shadow:0 4px 6px #0000001a;box-sizing:border-box;margin:0 auto;max-width:400px;padding:32px;width:100%}.auth-card.dark-theme{background-color:#2d3748;background-color:var(--dark-card-bg);box-shadow:0 4px 6px #0000004d}.auth-card h2{color:#1f2937;font-size:24px;margin-bottom:8px;text-align:center}.auth-card.dark-theme h2{color:#e2e8f0;color:var(--dark-text)}.auth-form{gap:12px}.auth-form,.form-group{display:flex;flex-direction:column}.form-group{gap:2px}.form-group label{color:#4b5563;font-size:14px;font-weight:500}.auth-card.dark-theme .form-group label{color:#a0aec0;color:var(--dark-secondary-text)}.form-group input{border:1px solid #e5e7eb;border-radius:8px;color:#1f2937;font-size:14px;padding:8px 12px;transition:all .2s ease}.auth-card.dark-theme .form-group input{background-color:#2d3748;background-color:var(--dark-input-bg);border-color:#4a5568;border-color:var(--dark-input-border);color:#e2e8f0;color:var(--dark-input-text)}.form-group input:focus{border-color:#06b6d4;box-shadow:0 0 0 3px #06b6d41a;outline:none}.auth-card.dark-theme .form-group input:focus{border-color:#3182ce;box-shadow:0 0 0 3px #3182ce1a}.auth-button{border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:14px;font-weight:500;margin-top:4px;padding:10px;transition:all .2s ease}.auth-button,.auth-card.dark-theme .auth-button{background-color:#1ab4d9;background-color:var(--accent-color)}.auth-button:hover:not(:disabled){background-color:#15a0c0;transform:translateY(-1px)}.auth-card.dark-theme .auth-button:hover:not(:disabled){background-color:#2ea8e5}.auth-button:disabled{cursor:not-allowed;opacity:.7}.auth-error{background-color:#fee2e2;border:1px solid #ef4444;border-radius:8px;color:#b91c1c;font-size:14px;margin-bottom:16px;padding:12px}.auth-card.dark-theme .auth-error{background-color:#742a2a;background-color:var(--dark-error-bg);border-color:#9b2c2c;border-color:var(--dark-error-border);color:#feb2b2;color:var(--dark-error-text)}.field-error{color:#ef4444;display:block;font-size:12px;margin-top:4px}.auth-card.dark-theme .field-error{color:#feb2b2;color:var(--dark-error-text)}.form-group input.error{border-color:#ef4444}.auth-card.dark-theme .form-group input.error{border-color:#9b2c2c;border-color:var(--dark-error-border)}.auth-switch{color:#4b5563;font-size:16px;font-weight:500;margin-top:20px;text-align:center}.auth-card.dark-theme .auth-switch{color:#a0aec0;color:var(--dark-secondary-text)}.auth-switch-button{background:none;border:none;border-radius:4px;color:#06b6d4;cursor:pointer;font-size:16px;font-weight:600;padding:4px 8px;transition:all .2s ease}.auth-card.dark-theme .auth-switch-button{color:#63b3ed}.auth-switch-button:hover{background-color:#06b6d41a;text-decoration:underline;transform:translateY(-1px)}@keyframes bounce{0%,80%,to{transform:translateY(0)}40%{transform:translateY(-4px)}}.welcome-modal{background:#fff;background:var(--modal-bg);border:1px solid #e2e8f0cc;border-radius:12px;box-shadow:0 4px 16px #00000014;left:50%;max-width:420px;opacity:0;padding:20px;position:fixed;top:50%;transform:translate(-50%,-50%);transition:all .3s cubic-bezier(.4,0,.2,1);visibility:hidden;width:90%;z-index:3100}.welcome-modal.visible{opacity:1;visibility:visible}.welcome-modal-header{align-items:flex-start;display:flex;justify-content:space-between;margin-bottom:16px;position:relative}.welcome-modal-title{align-items:center;color:#1a1a1a;color:var(--text-color);display:flex;font-size:18px;font-weight:600;gap:6px;line-height:1.2}.welcome-modal-title svg{color:#06b6d4;height:20px;width:20px}.welcome-modal-close{background:#fff;border:1px solid #e2e8f0;border-radius:50%;box-shadow:0 2px 4px #0000000f;color:#718096;cursor:pointer;line-height:0;padding:4px;position:absolute;right:-6px;top:-6px;transition:all .2s ease}.welcome-modal-close svg{height:14px;width:14px}.welcome-modal-content{color:#1a1a1a;color:var(--text-color);font-size:14px;line-height:1.4}.learning-steps{display:flex;flex-direction:column;gap:8px;margin:12px 0}.learning-step{align-items:flex-start;background:#f0f4f8;background:var(--question-bg);border-radius:8px;display:flex;gap:10px;padding:8px 12px;transition:all .2s ease}.step-number{background:#fff;background:var(--card-bg);box-shadow:0 1px 2px #06b6d41a;color:#1ab4d9;color:var(--accent-color);font-size:14px;font-weight:600;height:20px;min-width:20px}.step-content{flex:1 1}.step-title{color:#1a1a1a;color:var(--text-color);font-size:14px;font-weight:600;margin-bottom:2px}.step-description{font-size:13px;line-height:1.3}.step-description,.welcome-modal-footer{color:#718096;color:var(--secondary-text)}.welcome-modal-footer{border-top:1px solid #e2e8f0;font-size:12px;font-style:italic;margin-top:12px;padding-top:8px;text-align:right}.welcome-modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0006;height:100%;left:0;opacity:0;position:fixed;top:0;transition:all .3s cubic-bezier(.4,0,.2,1);visibility:hidden;width:100%;z-index:3000}.welcome-modal-overlay.visible{opacity:1;visibility:visible}@media (max-width:640px){.welcome-modal{max-width:380px;padding:16px;width:94%}.welcome-modal-title{font-size:16px}.learning-step{gap:8px;padding:8px 10px}.step-title{font-size:13px}.step-description{font-size:12px}.welcome-modal-footer{font-size:11px}}.dictionary-modal{background:#fff;border:1px solid #e2e8f0cc;border-radius:12px;box-shadow:0 4px 16px #00000014;max-width:600px;padding:20px;transform:translate(-50%,-50%);transition:all .3s cubic-bezier(.4,0,.2,1);width:90%;z-index:3100}.dictionary-modal-header{align-items:flex-start;margin-bottom:16px;position:relative}.dictionary-modal-title{color:#1a1a1a;font-size:18px;gap:6px;line-height:1.2}.dictionary-modal-title svg{color:#06b6d4}.dictionary-modal-close{background:#fff;border:1px solid #e2e8f0;border-radius:50%;box-shadow:0 2px 4px #0000000f;color:#718096;line-height:0;padding:4px;position:absolute;right:-6px;top:-6px;transition:all .2s ease}.dictionary-modal-close svg{height:14px;width:14px}.dictionary-modal-content{padding-right:8px}.dictionary-search{margin-bottom:16px}.dictionary-search input{border:1px solid #e2e8f0;color:#1a1a1a;font-size:14px;padding:8px 12px;width:100%}.dictionary-search input:focus{border-color:#06b6d4;box-shadow:0 0 0 3px #06b6d41a}.dictionary-words{gap:8px}.dictionary-word{background:#f0f4f8;background:var(--question-bg);padding:8px 12px}.dictionary-word:hover{background:#f3f4f6;background:var(--hover-bg)}.word-info{flex:1 1}.word-number{color:#718096;font-size:12px;font-weight:500;min-width:30px}.word-text{gap:8px}.word-due{font-weight:500}.dictionary-modal-overlay{background:#0006;height:100%;transition:all .3s cubic-bezier(.4,0,.2,1);width:100%;z-index:3000}@media (max-width:640px){.dictionary-modal{max-width:500px;padding:16px;width:94%}.dictionary-modal-title{font-size:16px}.dictionary-word{padding:8px 10px}.word-text{font-size:13px}.word-due,.word-number,.word-transliteration{font-size:11px}}.profile-modal{background:#fff;background:var(--modal-bg);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:12px;box-shadow:0 4px 16px #00000014;left:50%;max-width:400px;opacity:0;padding:24px;position:fixed;top:50%;transform:translate(-50%,-50%);transition:all .3s cubic-bezier(.4,0,.2,1);visibility:hidden;width:90%;z-index:3100}.profile-modal.visible{opacity:1;visibility:visible}.profile-modal-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:20px}.profile-modal-title{color:#1a1a1a;color:var(--text-color);font-size:20px;font-weight:600}.profile-modal-close{align-items:center;background:none;border:none;border-radius:6px;color:#718096;color:var(--secondary-text);cursor:pointer;display:flex;justify-content:center;padding:8px;transition:all .2s ease}.profile-modal-close:hover{background:#f3f4f6;background:var(--hover-bg);color:#1a1a1a;color:var(--text-color)}.profile-content{display:flex;flex-direction:column;gap:16px}.profile-info{background:#f0f4f8;background:var(--question-bg);border-radius:12px;gap:16px;padding:16px}.profile-avatar,.profile-info{align-items:center;display:flex}.profile-avatar{background:#1ab4d9;background:var(--accent-color);border-radius:50%;color:#fff;font-size:24px;font-weight:600;height:64px;justify-content:center;width:64px}.profile-details{flex:1 1}.profile-name{color:#1a1a1a;color:var(--text-color);font-size:18px;font-weight:600;margin-bottom:4px}.profile-email{color:#718096;color:var(--secondary-text);font-size:14px}.profile-languages{background:#f0f4f8;background:var(--question-bg);border-radius:12px;display:flex;flex-direction:column;gap:8px;padding:16px}.language-item{justify-content:space-between}.language-label{color:#718096;color:var(--secondary-text);font-size:14px}.language-value{color:#1a1a1a;color:var(--text-color);font-size:14px;font-weight:500}.profile-stats{grid-gap:12px;display:grid;gap:12px;grid-template-columns:1fr 1fr}.profile-stat{background:#f0f4f8;background:var(--question-bg);border-radius:12px;padding:16px;text-align:center}.stat-value{color:#1a1a1a;color:var(--text-color);font-size:24px;font-weight:600;margin-bottom:4px}.stat-label{color:#718096;color:var(--secondary-text);font-size:13px}.word-text{color:#1a1a1a}.word-transliteration{color:#718096;font-size:12px}.word-due{color:#718096}.profile-modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0006;height:100%;left:0;opacity:0;position:fixed;top:0;transition:all .3s cubic-bezier(.4,0,.2,1);visibility:hidden;width:100%;z-index:3000}.profile-modal-overlay.visible{opacity:1;visibility:visible}@media (max-width:640px){.profile-modal{padding:20px;width:94%}.profile-modal-title{font-size:18px}.profile-avatar{font-size:20px;height:56px;width:56px}.profile-name{font-size:16px}.profile-email{font-size:13px}.stat-value{font-size:20px}.stat-label{font-size:12px}}.auth-header{margin-bottom:16px;text-align:center}.auth-app-name{display:inline-block;font-size:36px;font-weight:700;letter-spacing:-.02em;margin-bottom:0}.auth-app-name,.auth-app-name span{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#06b6d4,#06b6d4);background-clip:text;-webkit-background-clip:text}.auth-app-name span{font-weight:800}.info-icon-container{position:absolute;right:10px;top:10px;z-index:2000}.info-dropdown{animation:fadeIn .2s ease;border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:8px;box-shadow:0 4px 12px #00000026;max-height:400px;overflow-x:visible!important;overflow-y:auto!important;position:fixed!important;right:auto!important;top:auto!important;width:320px;z-index:3000!important}.info-dropdown,.info-dropdown:before{background:#fff;background:var(--card-bg)}.info-dropdown:before{border-left:1px solid #e5e7eb;border-left:1px solid var(--border-color);border-top:1px solid #e5e7eb;border-top:1px solid var(--border-color);content:"";height:14px;position:absolute;right:14px;top:-8px;transform:rotate(45deg);width:14px;z-index:1499}.dropdown-header{border-bottom:1px solid #e5e7eb;border-bottom:1px solid var(--border-color);color:#1a1a1a;color:var(--text-color);font-weight:600}.dropdown-content,.dropdown-header{padding:12px 16px}.dictionary-level-selector{background:#f0f4f8;background:var(--question-bg);border-radius:8px;margin-bottom:16px;padding:8px}.level-buttons{grid-gap:8px;display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(40px,1fr))}.level-button{background:#fff;background:var(--modal-bg);border:1px solid #e5e7eb;color:#1a1a1a;font-size:14px;padding:8px}.level-button:hover{background:#f3f4f6}.level-button.active{background:#06b6d4;border-color:#06b6d4}.word-status{gap:12px}.word-state{border-radius:12px;padding:2px 8px}.word-state.learning{background:#fef3c7;color:#92400e}.word-state.review{background:#dcfce7;color:#166534}.word-state.relearning{background:#fee2e2;color:#991b1b}.dictionary-word.learning{border-left:3px solid #f59e0b}.dictionary-word.review{border-left:3px solid #10b981}.dictionary-word.relearning{border-left:3px solid #ef4444}@media (max-width:768px){.side-panel{transform:translateX(-100%);width:280px;z-index:2000}.side-panel.expanded{transform:translateX(0);width:280px}.app,body,html{height:100vh!important;max-height:100vh!important;max-width:100vw!important;overflow:hidden!important;overflow-x:hidden!important}html:has(.landing-page){height:auto!important;max-height:none!important;min-height:100vh!important;overflow:auto!important;overflow-x:hidden!important;overflow-y:auto!important}html:has(.landing-page) body{height:auto!important;max-height:none!important;min-height:100vh!important;overflow:auto!important;overflow-x:hidden!important;overflow-y:auto!important}.landing-page{height:auto!important;max-height:none!important;min-height:100vh!important;overflow:visible!important;overflow-y:visible!important}html:has(.landing-page) .app{height:auto!important;max-height:none!important;min-height:100vh!important;overflow:auto!important;overflow-x:hidden!important;overflow-y:auto!important}.card{height:calc(100vh - 80px)!important;margin-left:auto;margin-right:auto;margin-top:60px!important;max-height:calc(100vh - 80px)!important;overflow-y:auto!important}.card.loading-card{overflow:hidden!important}.card{box-sizing:border-box!important;max-width:calc(100vw - 40px)!important;width:calc(100vw - 40px)!important}.container,.lesson-area,.main-content{box-sizing:border-box!important;max-width:100vw!important;overflow-x:hidden!important}.loading-text{color:#1a1a1a!important;color:var(--text-color)!important;font-size:18px!important;margin:0!important;opacity:.8!important;text-align:center!important}.app-header{align-items:center!important;flex-wrap:nowrap!important;gap:6px!important;height:50px!important;justify-content:space-between!important;left:5px!important;min-height:50px!important;padding:8px 5px 8px 0!important;top:5px!important;width:calc(100% - 10px)!important}.app-name{font-size:20px!important;font-weight:600!important}.language-pair-container{align-items:center!important;display:flex!important;margin-left:auto!important;margin-right:20px!important;order:2;position:relative!important;z-index:10!important}.language-pair{align-items:center!important;background:#0000!important;border:none!important;border-radius:0!important;box-shadow:none!important;gap:4px!important;min-height:auto!important;padding:0!important}.language-pair-container .selected-language{background:#f0f4f8!important;background:var(--question-bg)!important;border:1px solid #e5e7eb!important;border:1px solid var(--border-color)!important;border-radius:6px!important;color:#1a1a1a!important;color:var(--text-color)!important;font-size:12px!important;font-weight:500!important;max-width:80px!important;min-width:70px!important;overflow:hidden!important;padding:4px 8px!important;text-overflow:ellipsis!important;white-space:nowrap!important;width:auto!important}.language-pair-container .language-flag{display:inline-block!important;height:11px!important;margin-right:4px!important;width:16px!important}.language-pair-container .language-select-text{color:#1a1a1a!important;color:var(--text-color)!important;display:inline-block!important;font-size:12px!important;font-weight:500!important}.separator{color:#718096!important;color:var(--secondary-text)!important;font-size:14px!important;margin:0 4px!important}.tooltip{max-width:250px;min-width:150px}.recording-container{min-height:100px}.record-button-content{min-width:150px;padding:10px 24px}.record-button-text{font-size:16px}.text-actions{gap:16px}.play-button,.translation-toggle-button{height:44px;width:44px}.next-button,.play-button,.translation-toggle-button{background:#f0f4f8;background:var(--question-bg);border:1px solid #e5e7eb;border:1px solid var(--border-color)}.next-button{color:#1a1a1a;color:var(--text-color);margin-top:16px;min-width:150px}.next-button:hover{background:#f3f4f6;background:var(--hover-bg);transform:translateY(-1px)}.info-icon-container{right:6px;top:6px}.info-dropdown{left:auto!important;right:0;width:240px}.word-dropdown{left:auto;max-width:250px;right:0}.language-options{display:block!important;gap:0!important;grid-template-columns:none!important;padding:0!important}.language-option{align-items:center!important;display:flex!important;gap:8px!important;justify-content:flex-start!important;padding:8px 12px!important}.language-option .language-name{display:block!important;flex:1 1!important}.language-option .language-flag{height:12px!important;margin:0!important;width:18px!important}.language-dropdown .dropdown-header{display:block!important}.language-dropdown .search-container{padding:8px!important}.language-dropdown .search-container input{box-sizing:border-box!important;font-size:14px!important;padding:6px 12px!important;width:100%!important}.info-dropdown,.mobile-dropdown,.word-dropdown{background:#fff!important;background:var(--card-bg)!important;border:1px solid #e5e7eb!important;border:1px solid var(--border-color)!important;box-shadow:0 4px 12px #0003!important;left:auto!important;max-height:60vh;overflow-y:auto;pointer-events:auto!important;position:fixed;right:10px!important;width:240px;z-index:2100!important}.stat-item .word-dropdown{top:40px!important}.language-pair-container{z-index:2000}.mobile-dropdown .dropdown-word,.mobile-dropdown .language-option{padding:6px 10px}.info-dropdown{right:20px!important;top:90px!important}.stat-item .word-dropdown:before{display:none}.logo-container{align-items:center;border-radius:6px;cursor:pointer;display:flex;flex-shrink:0!important;gap:6px!important;margin-left:20px!important;padding:4px!important;pointer-events:auto;position:relative;z-index:1002}.logo-container svg{height:34px!important;width:32px!important}.logo-container:active{background-color:#0000000d}.tab-navigation{margin-left:5px!important;margin-top:75px!important}.tab-button{flex:1 1!important;font-size:1rem!important;font-weight:500!important;padding:.4rem .8rem!important;text-align:center!important}.main-content{align-items:flex-start!important;justify-content:flex-start!important;max-width:100vw!important;padding:0!important;width:100vw!important}.main-content,.page-content-wrapper{box-sizing:border-box!important;height:100vh!important;max-height:100vh!important;overflow:hidden!important}.page-content-wrapper{margin-top:0!important;max-width:100%!important;width:100%!important}.container{height:100vh!important;max-height:100vh!important;overflow:hidden!important}.lesson-area{box-sizing:border-box!important;height:calc(100vh - 60px)!important;max-height:calc(100vh - 60px)!important;overflow-y:auto!important;padding:.5rem!important}.learn-section{margin-bottom:.25rem!important}.learn-section-header{margin:0 0 .75rem!important}.learn-section-header h2{font-size:1.2rem!important}.learn-section-header p{font-size:.85rem!important}.horizontal-level-journey-wrapper,.learn-section,.tab-navigation{box-sizing:border-box!important;max-width:100%!important;overflow-x:hidden!important;width:100%!important}.learn-section input[type=text]{box-sizing:border-box!important;max-width:100%!important}}@media (min-width:769px){.stats-container .stat-item .word-dropdown,.stats-container .stat-item-container .word-dropdown{background:#fff!important;background:var(--dropdown-bg)!important;border:1px solid #e5e7eb!important;border:1px solid var(--border-color)!important;box-shadow:0 4px 6px #0000001a!important;left:auto!important;margin-top:4px!important;position:absolute!important;right:0!important;top:100%!important;transform:none!important;width:300px!important;z-index:50!important}}@media (min-width:1px){.stats-container .word-dropdown{left:auto!important;margin-top:4px!important;position:absolute!important;right:0!important;top:100%!important;transform:none!important;width:300px!important;z-index:50!important}}@media (max-width:380px){.card{height:300px;margin-top:70px}.app-name{font-size:18px}.question-text{font-size:13px;height:50px}.record-button-content{min-width:130px;padding:8px 16px}.next-button{font-size:16px;padding:10px 24px}}.logo-container{align-items:center;cursor:pointer;display:flex;gap:10px;transition:all .2s ease}.logo-container:hover{opacity:.9}.logo-container:active{background-color:#0000000d}@keyframes spinner-rotate{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.app-legend{animation:slideInUp .5s ease-out;background:#fff;background:var(--card-bg);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:10px;bottom:15px;box-shadow:0 3px 12px #0000001a;font-size:13px;opacity:.95;padding:14px;position:fixed;right:15px;transition:all .3s ease-in-out;width:280px;z-index:100}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:.95;transform:translateY(0)}}.app-legend:hover{box-shadow:0 4px 16px #00000026;opacity:1}.legend-header{border-bottom:1px solid #e5e7eb;border-bottom:1px solid var(--border-color);color:#1a1a1a;color:var(--text-color);font-size:15px;font-weight:600;justify-content:space-between;margin-bottom:10px;padding-bottom:8px}.legend-close,.legend-header{align-items:center;display:flex}.legend-close{background:none;border:none;border-radius:50%;color:#718096;color:var(--secondary-text);cursor:pointer;font-size:18px;height:24px;justify-content:center;line-height:1;padding:0;transition:all .2s ease;width:24px}.legend-close:hover{background-color:#0000000d;color:#1a1a1a;color:var(--text-color)}.legend-list{list-style-type:none;margin:0;padding:0}.legend-list li{align-items:center;color:#1a1a1a;color:var(--text-color);display:flex;font-size:13px;gap:6px;line-height:1.4;margin-bottom:9px}.legend-list li:last-child{margin-bottom:0}.legend-icon{align-items:center;display:flex;font-size:14px;height:20px;justify-content:center;width:20px}.highlight-icon{color:#b45309;color:var(--learn-word-text)}.regular-icon{color:#1a1a1a;color:var(--text-color)}.click-icon,.mic-icon{font-size:16px}.legend-highlight{background-color:#fef3c7;background-color:var(--learn-word-bg);color:#b45309;color:var(--learn-word-text)}.legend-highlight,.legend-regular{border-radius:4px;font-weight:500;padding:2px 6px}.legend-regular{background-color:#f0f4f8;background-color:var(--question-bg);color:#1a1a1a;color:var(--text-color)}@media (max-width:768px){.app-legend{bottom:10px;font-size:12px;max-width:240px;padding:12px;right:10px;width:auto}.legend-header{font-size:14px;margin-bottom:8px;padding-bottom:6px}.legend-list li{font-size:12px;margin-bottom:7px}.legend-icon{font-size:13px;height:18px;width:18px}}.tooltip-loading{align-items:center;display:flex;gap:8px;min-height:24px}.loading-spinner.small{border:2px solid #1ab4d91a;border-top-color:#1ab4d9;border:2px solid rgba(var(--accent-color-rgb),.1);border-top-color:var(--accent-color);height:16px;width:16px}.tooltip-loading span{color:#718096;color:var(--secondary-text);font-size:14px}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.chat-container{display:flex;flex-direction:column;font-size:14px;height:100%;padding-bottom:20px}.chat-instructions{color:#1ab4d9;color:var(--accent-color);font-size:18px;font-weight:600;line-height:1.4;margin:0 16px 12px;max-width:calc(100% - 120px);padding:12px 16px 4px;position:relative;text-align:left;transition:all .2s ease;z-index:10}.chat-instructions:after{background-color:#1ab4d9;background-color:var(--accent-color);border-radius:2px;bottom:-4px;content:"";height:3px;left:16px;position:absolute;transition:all .3s ease;width:60px}.teacher-avatar{align-items:center;display:flex;flex-shrink:0}.instruction-text{flex:1 1;margin:0}@media (max-width:768px){.chat-instructions{font-size:14px;gap:8px;margin:0 12px 8px;max-width:calc(100% - 100px);padding:8px 14px}.chat-instructions:after{bottom:-4px;height:3px;left:14px;width:60px}}.chat-messages{flex:1 1;overflow-x:visible;overflow-y:auto;padding:16px 32px 8px}.chat-message{display:flex;margin-bottom:6px;margin-left:auto;margin-right:auto;max-width:650px;width:100%}.chat-message.received{justify-content:flex-start}.chat-message.sent{justify-content:flex-end}.chat-bubble-wrapper{align-items:center;display:flex;gap:8px}.skip-question-button{align-items:center;background:none;border:none;color:#1a1a1a;color:var(--text-color);cursor:pointer;display:flex;flex-shrink:0;height:20px;justify-content:center;opacity:.3;padding:0;transition:all .2s ease;width:20px}.skip-question-button:hover:not(:disabled){opacity:.7;transform:translateX(2px)}.skip-question-button:disabled{cursor:not-allowed;opacity:.15}.skip-question-button svg{height:16px;width:16px}.dark-theme .skip-question-button{color:#1a1a1a;color:var(--text-color)}.dark-theme .skip-question-button:hover:not(:disabled){opacity:.8}.mode-change-indicator{color:#fff;font-size:12px;font-weight:400;letter-spacing:.3px;margin:12px 0;opacity:.4;padding:8px 0;text-align:center;width:100%}.chat-bubble{border-radius:16px;box-shadow:none;line-height:1.35;margin-bottom:0;max-width:420px;padding:7px 14px;position:relative;word-break:break-word}.chat-message.received .chat-bubble{background-color:#f0f4f8;background-color:var(--question-bg);border-top-left-radius:4px;color:#2d3748;color:var(--question-text);margin-right:auto;max-width:420px}.chat-message.sent .chat-bubble{background-color:#e1f5fe;border-top-right-radius:4px;color:#0277bd;margin-left:auto;margin-right:0;max-width:420px}.dark-theme .chat-message.sent .chat-bubble{background-color:#0d47a1;color:#e3f2fd;max-width:420px}.chat-message.received+.chat-message.sent,.chat-message.sent+.chat-message.received{margin-top:0}.chat-text{font-size:16px;font-weight:500;letter-spacing:-.2px;line-height:1.4;margin-bottom:0}.chat-text .word{border:1px solid #0000;border-radius:3px;padding:1px 2px}.chat-text .word,.chat-text .word.learn-word{display:inline-block;font-size:inherit;height:auto;line-height:inherit;margin:0 1px;min-height:0;min-height:auto}.chat-text .word.learn-word{background-color:#fef3c7;background-color:var(--learn-word-bg);border:1px solid #fbbf24;border:1px solid var(--learn-word-border);border-radius:3px;color:#b45309;color:var(--learn-word-text);cursor:pointer;font-weight:600;padding:1px 3px;position:relative}.chat-transliteration{color:#718096;color:var(--secondary-text);display:flow-root;font-size:12px;font-style:italic;line-height:1.25;margin-top:2px;opacity:.65}.chat-bubble:has(.chat-transliteration){padding-bottom:5px;padding-top:6px}.chat-bubble:has(.chat-transliteration) .chat-text{line-height:1.35;margin-bottom:0}.chat-transliteration .chat-time-float{font-style:normal}.chat-translation{border-top:none;color:#718096;color:var(--secondary-text);display:flow-root;font-size:12px;line-height:1.2;margin-top:1px;opacity:.55;padding-top:0}.dark-theme .chat-translation{opacity:.6}@media (max-width:768px){.chat-bubble{max-width:300px;padding:5px 10px}.chat-message.sent .chat-bubble{margin-right:0;max-width:300px}.chat-text{font-size:14px;letter-spacing:-.3px}.chat-translation,.chat-transliteration{font-size:10px;line-height:1.15;margin-top:1px}.chat-messages{padding:10px}.mobile-chat-card .chat-container{overflow:hidden!important;padding:0!important}.mobile-chat-card .chat-messages{overflow-y:auto!important;padding:16px!important}}.floating-mic-button{align-items:center;background-color:#1ab4d9;background-color:var(--accent-color);border:none;border-radius:50%;bottom:80px;box-shadow:0 0 14px #1ab4d94d,0 4px 12px #00000026;color:#fff;cursor:pointer;display:flex;height:56px;justify-content:center;position:absolute;right:20px;transition:all .25s ease;width:56px;z-index:1001}.floating-mic-button:hover{box-shadow:0 0 22px #1ab4d973,0 6px 16px #0003;transform:scale(1.08)}.floating-mic-button.recording{background-color:#f56565}.floating-mic-button.has-text{background-color:#1ab4d9;background-color:var(--accent-color)}.mic-wave-container{--amp:0;align-items:center;display:flex;flex-shrink:0;justify-content:center;overflow:visible;position:relative}.mic-wave-ring{border:2.5px solid #1ab4d98c;border-radius:50%;inset:0;opacity:calc(var(--amp)*.6);pointer-events:none;position:absolute;transform:scale(calc(1 + var(--amp)*.7));transition:opacity .15s ease-out,transform .15s ease-out,border-color .3s ease}.mic-wave-ring-1{opacity:calc(var(--amp)*.55);transform:scale(calc(1 + var(--amp)*.55))}.mic-wave-ring-2{opacity:calc(var(--amp)*.38);transform:scale(calc(1 + var(--amp)*.9))}.mic-wave-ring-3{opacity:calc(var(--amp)*.22);transform:scale(calc(1 + var(--amp)*1.25))}.mic-wave-container:has(.floating-mic-button.recording) .mic-wave-ring{border-color:#f56565b3}@keyframes mic-glow-breathe{0%,to{box-shadow:0 0 12px #1ab4d940,0 4px 10px #0000001f}50%{box-shadow:0 0 26px #1ab4d980,0 4px 14px #0000002e}}.mic-listening-indicator{align-items:center;bottom:-20px;color:#1ab4d9bf;display:flex;font-size:10px;font-weight:600;gap:4px;left:50%;letter-spacing:.6px;pointer-events:none;position:absolute;text-transform:uppercase;transform:translateX(-50%);-webkit-user-select:none;user-select:none;white-space:nowrap}.mic-listening-dot{animation:listening-dot-pulse 2s ease-in-out infinite;background:#1ab4d9d9;border-radius:50%;height:6px;width:6px}.mic-listening-dot--listening{background:#f09}.mic-listening-dot--transcribing{background:orange}.mic-listening-dot--replying{background:#1ab4d9e6}.mic-status-text--listening{color:#f09}.mic-status-text--transcribing{color:orange}.mic-status-text--replying{color:#1ab4d9d9}@keyframes listening-dot-pulse{0%,to{opacity:.35;transform:scale(.7)}50%{opacity:1;transform:scale(1.3)}}@keyframes input-ambient-glow{0%,to{box-shadow:0 0 0 #1ab4d900}50%{box-shadow:0 0 10px #1ab4d91a}}.floating-text-input{align-items:center;background-color:#141e37eb;border:1px solid #ffffff29;border-radius:25px;bottom:80px;box-shadow:0 4px 12px #0000001f;display:flex;gap:10px;height:50px;max-width:calc(100% - 160px);min-width:220px;padding:0 10px 0 14px;position:absolute;right:80px;width:340px;z-index:2000}.floating-text-input-field{background:#0000;border:none;color:#1a1a1a;color:var(--text-color);flex:1 1;font-family:inherit;font-size:14px;height:100%;letter-spacing:inherit;outline:none;padding:0;word-spacing:inherit}.floating-text-input-field::placeholder{color:#718096;color:var(--secondary-text);font-style:italic;opacity:.75}.floating-send-button{align-items:center;background-color:initial;border:none;border-radius:999px;color:#ffffff80;cursor:pointer;display:inline-flex;height:36px;justify-content:center;min-width:36px;padding:0;transition:opacity .15s ease,color .15s ease;width:36px}.floating-send-button svg{height:24px;width:24px}.floating-send-button:hover{color:#fffc}.floating-send-button:disabled{cursor:not-allowed;opacity:.5}.emoji-picker-container{align-items:center;display:flex;position:relative}.emoji-picker-button{align-items:center;background-color:initial;border:none;border-radius:50%;color:#ffffff80;cursor:pointer;display:inline-flex;height:32px;justify-content:center;min-width:32px;padding:0;transition:color .15s ease;width:32px}.emoji-picker-button svg{height:24px;width:24px}.emoji-picker-button:hover{color:#fffc}.emoji-picker-button:disabled{cursor:not-allowed;opacity:.4}.emoji-picker-dropdown{grid-gap:4px;animation:emojiPickerFadeIn .15s ease-out;background-color:#1e2841;border:1px solid #ffffff26;border-radius:12px;bottom:100%;box-shadow:0 8px 24px #0000004d;display:grid;gap:4px;grid-template-columns:repeat(6,1fr);left:0;margin-bottom:8px;max-height:200px;overflow-y:auto;padding:8px;position:absolute;width:280px;z-index:10000}@keyframes emojiPickerFadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.emoji-picker-item{align-items:center;background-color:initial;border:none;border-radius:8px;cursor:pointer;display:flex;font-size:22px;height:40px;justify-content:center;padding:0;transition:background-color .1s ease,transform .1s ease;width:40px}.emoji-picker-item:hover{background-color:#ffffff26;transform:scale(1.15)}.emoji-picker-dropdown::-webkit-scrollbar{width:6px}.emoji-picker-dropdown::-webkit-scrollbar-track{background:#0000}.emoji-picker-dropdown::-webkit-scrollbar-thumb{background-color:#fff3;border-radius:3px}.recording-indicator{background-color:#000000b3;border-radius:16px;bottom:115px;color:#fff;font-size:12px;padding:5px 10px;position:absolute;right:20px;z-index:99}.floating-translate-button{align-items:center;background-color:#f0f4f8;background-color:var(--question-bg);border:none;border-radius:50%;bottom:80px;box-shadow:0 2px 8px #0000001a;color:#1a1a1a;color:var(--text-color);cursor:pointer;display:flex;height:40px;justify-content:center;left:20px;position:absolute;transition:all .2s ease;width:40px;z-index:1001}.floating-translate-button.active,.floating-translate-button:hover{background-color:#f3f4f6;background-color:var(--hover-bg)}.floating-translate-button.active{color:#1ab4d9;color:var(--accent-color)}.chat-loading{display:flex;margin-bottom:8px;margin-left:auto;margin-right:auto;max-width:650px;width:100%}.chat-loading.received{justify-content:flex-start}.chat-loading.sent{justify-content:flex-end}.chat-loading-bubble{align-items:center;animation:pulse 1.5s infinite;background-color:#f0f4f8;background-color:var(--question-bg);border-radius:16px;box-shadow:0 1px 2px #0000001a;color:#718096;color:var(--secondary-text);display:flex;gap:8px;max-width:60%;padding:10px 16px}.chat-loading.received .chat-loading-bubble{background-color:#f0f4f8;background-color:var(--question-bg);border-top-left-radius:4px}.chat-loading.sent .chat-loading-bubble{background-color:#e1f5fe;border-top-right-radius:4px}.dark-theme .chat-loading.sent .chat-loading-bubble{background-color:#0d47a1}.chat-loading-bubble .loading-dots{align-items:center;display:flex;gap:4px}.chat-loading-bubble .dot{animation:loadingDot 1.4s ease-in-out infinite;background-color:#718096;background-color:var(--secondary-text);border-radius:50%;height:8px;opacity:.7;width:8px}.chat-loading-bubble .dot:first-child{animation-delay:0s}.chat-loading-bubble .dot:nth-child(2){animation-delay:.2s}.chat-loading-bubble .dot:nth-child(3){animation-delay:.4s}@keyframes loadingDot{0%,to{opacity:.5;transform:scale(.7)}50%{opacity:.8;transform:scale(1)}}.chat-text .tooltip{left:auto;position:fixed!important;top:auto;transform:none}.chat-bubble,.chat-text{overflow:visible!important}.chat-text{display:flow-root;position:relative}.chat-bubble:after{content:none!important;display:none!important}.chat-bubble-row{align-items:flex-end;display:flex;gap:6px}.chat-bubble-body{flex:1 1 auto;min-width:0}.chat-time{color:#718096;color:var(--secondary-text);font-size:11px;line-height:1;margin-left:8px;opacity:.7;vertical-align:bottom;white-space:nowrap}.chat-bubble-content,.chat-time{display:inline}.chat-time-spacer{display:inline-block;height:1px;vertical-align:initial;width:10px}.chat-time-float{align-items:center;clear:right;color:#718096;color:var(--secondary-text);display:flex;float:right;font-size:11px;gap:3px;margin-left:6px;margin-top:4px;opacity:.7;position:relative;white-space:nowrap}.chat-time-float .read-receipt{align-items:center;display:inline-flex;margin-left:2px}.chat-time-float .read-receipt svg{color:currentColor;height:11px;opacity:.7;width:16px}.chat-play-button{align-items:center;background-color:#1ab4d9;border:none;border-radius:50%;box-shadow:0 2px 4px #0003;color:#fff;cursor:pointer;display:flex;height:28px;justify-content:center;opacity:0;outline:none;padding:0;position:absolute;right:-10px;top:-10px;transform:scale(.85);transition:opacity .2s ease,transform .2s ease,background-color .2s ease;width:28px;z-index:5}.chat-bubble:hover .chat-play-button,.chat-play-button:focus{opacity:1;transform:scale(1)}.chat-play-button:hover{background-color:#138aa7;transform:scale(1.1)}.chat-play-button.playing{background-color:#ff5722;opacity:1;transform:scale(1)}.dark-theme .chat-play-button{background-color:#2c8fa1}.dark-theme .chat-play-button:hover{background-color:#1ab4d9}.chat-play-button svg{height:16px;width:16px}.floating-hint-button{bottom:15px}.chat-hint{word-wrap:break-word;animation:fadeIn .3s ease;background-color:#fff3e0;border-radius:12px;box-shadow:0 2px 4px #0000001a;color:#3a3a3a;display:block;font-size:.95rem;line-height:1.4;margin:8px auto;max-width:300px;overflow-wrap:break-word;padding:12px 16px;text-align:left;white-space:normal;width:auto;word-break:break-word}.dark-theme .chat-hint{background-color:#37474f;color:#e0e0e0}.hint-loading{align-items:center;color:#757575;display:flex;font-style:italic;justify-content:center;padding:8px;width:100%}.dark-theme .hint-loading{color:#bdbdbd}.improvement-button{align-items:center;background-color:#4a5568;border:none;border-radius:50%;bottom:-8px;box-shadow:0 2px 4px #0003;color:#fff;cursor:pointer;display:flex;font-size:14px;height:24px;justify-content:center;outline:none;padding:0;position:absolute;right:-8px;transition:all .2s ease;width:24px;z-index:5}.improvement-button:hover{background-color:#2d3748;transform:scale(1.1)}.improvement-tooltip{animation:fadeIn .2s ease;background-color:#fff;border:1px solid #e2e8f0;border-radius:8px;box-shadow:0 2px 8px #00000026;color:#2d3748;font-size:14px;padding:10px 12px;position:fixed;text-align:left;transform:none;width:230px;z-index:3000}.dark-theme .improvement-tooltip{background-color:#2d3748;border-color:#4a5568;color:#e2e8f0}.chat-message.sent .chat-bubble .improvement-button:hover+.improvement-tooltip,.chat-message.sent .chat-bubble .improvement-tooltip.visible{display:block!important}.improvement-tooltip,.info-dropdown,.tooltip,.word-dropdown{overflow:visible!important;position:fixed!important;z-index:3000!important}.card-content>:last-child{overflow:visible}.word.learn-word .tooltip{position:fixed!important;transform:none!important;z-index:3100!important}.chat-text .word.learn-word .tooltip{left:auto!important;margin:0!important;position:fixed!important;top:auto!important;transform:none!important}.tooltip{background:#fff;background:var(--card-bg);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:8px;box-shadow:0 4px 6px #0000001a;color:#1a1a1a;color:var(--text-color);min-width:200px;overflow:visible!important;padding:12px;position:fixed!important;z-index:3000!important}.tooltip-arrow{border-bottom:8px solid #fff;border-bottom:8px solid var(--card-bg);border-left:8px solid #0000;border-right:8px solid #0000;height:0;position:absolute;top:-8px;transform:none!important;width:0;z-index:101}.chat-text h1,.chat-text h2,.chat-text h3,.chat-text h4{color:#1ab4d9;color:var(--accent-color);font-weight:600;line-height:1.3;margin:8px 0}.chat-text h1{font-size:20px}.chat-text h2{font-size:18px}.chat-text h3{font-size:16px}.chat-text h4{font-size:14px}.grammar-info-button{align-items:center;background-color:#4a5568;border:none;border-radius:50%;bottom:-8px;box-shadow:0 2px 4px #0003;color:#fff;cursor:pointer;display:flex;font-size:14px;height:24px;justify-content:center;outline:none;padding:0;position:absolute;right:-8px;transition:all .2s ease;width:24px;z-index:5}.grammar-info-button:hover{background-color:#2d3748;transform:scale(1.1)}.grammar-info-button.active{background-color:#4b5563}.dark-theme .grammar-info-button{background-color:#4a5568}.dark-theme .grammar-info-button:hover{background-color:#2d3748}.grammar-info-button svg{height:14px;width:14px}.msg-action-icons{align-items:center;align-self:center;display:flex;flex-shrink:0;gap:1px;padding-left:4px}.chat-message.sent .msg-action-icons{padding-left:0;padding-right:4px}.msg-icon-btn{align-items:center;background:#0000;border:none;border-radius:7px;color:#9e9e9e;cursor:pointer;display:flex;height:30px;justify-content:center;opacity:0;outline:none;padding:0;pointer-events:none;transition:opacity .15s ease,background .15s ease,color .15s ease;width:30px}.msg-icon-btn svg{height:18px;width:18px}.chat-message:hover .msg-icon-btn{opacity:1;pointer-events:auto}.msg-icon-btn:hover:not(:disabled){background:#0000000f;color:#616161}.msg-icon-btn:active:not(:disabled){background:#0000001a}.msg-icon-btn.playing{color:#ff7043}.msg-icon-btn.active,.msg-icon-btn.playing{opacity:1;pointer-events:auto}.msg-icon-btn:disabled{opacity:0!important}.chat-message:hover .msg-icon-btn:disabled{opacity:.3!important;pointer-events:none}.chat-message.received .msg-action-icons.latest .msg-icon-btn:first-child,.chat-message.sent .msg-action-icons.latest .msg-icon-btn:last-child{opacity:.3;pointer-events:auto}.chat-messages:has(.chat-message:hover) .msg-action-icons.latest .msg-icon-btn:first-child,.chat-messages:has(.chat-message:hover) .msg-action-icons.latest .msg-icon-btn:last-child{opacity:0;pointer-events:none}.chat-messages .chat-message:hover .msg-action-icons.latest .msg-icon-btn:first-child,.chat-messages .chat-message:hover .msg-action-icons.latest .msg-icon-btn:last-child{opacity:1;pointer-events:auto}.dark-theme .msg-icon-btn{color:#9e9e9e}.dark-theme .msg-icon-btn:hover:not(:disabled){background:#ffffff14;color:#e0e0e0}.dark-theme .msg-icon-btn:active:not(:disabled){background:#ffffff1f}.dark-theme .msg-icon-btn.playing{color:#ff8a65}.dark-theme .msg-icon-btn.active{color:#e0e0e0}@media (max-width:768px){.msg-icon-btn{height:28px;width:28px}.msg-icon-btn svg{height:16px;width:16px}}.grammar-panel{animation:grammarPanelIn .3s ease;background:#f59e0b0f;border:1px solid #f59e0b1f;border-radius:12px;margin:0 12px 8px;overflow:hidden}@keyframes grammarPanelIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.grammar-panel-header{align-items:center;color:#f59e0b;display:flex;font-size:12px;font-weight:600;gap:6px;letter-spacing:.3px;padding:10px 14px;text-transform:uppercase}.grammar-panel-header svg{height:13px;opacity:.8;width:13px}.grammar-panel-close{background:none;border:none;border-radius:4px;color:#ffffff4d;cursor:pointer;font-size:18px;line-height:1;margin-left:auto;padding:0 2px;transition:color .2s}.grammar-panel-close:hover{color:#ffffffb3}.grammar-panel-content{color:#ffffffd1;font-size:13px;line-height:1.75;max-height:220px;overflow-y:auto;padding:0 14px 12px}.grammar-panel-content::-webkit-scrollbar{width:3px}.grammar-panel-content::-webkit-scrollbar-thumb{background:#f59e0b33;border-radius:3px}.grammar-panel-loading{align-items:center;color:#ffffff73;display:flex;font-size:12px;gap:8px;padding:8px 0}.grammar-panel-text{word-wrap:break-word;white-space:pre-wrap}.grammar-panel.improvement-panel{background:#3b82f60f;border:1px solid #3b82f61f}.grammar-panel.improvement-panel .grammar-panel-header{color:#3b82f6}.grammar-panel.improvement-panel .grammar-panel-content::-webkit-scrollbar-thumb{background:#3b82f633}.question-header-line{align-items:baseline;display:flex;gap:8px;justify-content:space-between;line-height:1.3;margin-bottom:3px}.question-header-instruction{border-radius:9px;display:inline-block;font-size:.65rem;font-weight:600;letter-spacing:.02em;line-height:1.4;padding:2px 9px}.question-header-progress{color:#718096;color:var(--secondary-text);flex-shrink:0;font-size:.6rem;font-weight:500;opacity:.6;white-space:nowrap}.grammar-concepts-list{border-bottom:1px solid #ffffff14;display:flex;flex-direction:column;gap:2px;margin-bottom:4px;padding:0 14px 8px}.grammar-concepts-list-title{align-items:center;color:#c4b5fd;display:flex;font-size:.6rem;font-weight:600;letter-spacing:.05em;margin-bottom:4px;padding-top:8px;text-transform:uppercase}.grammar-concept-item{align-items:center;border-left:2px solid #0000;border-radius:4px;cursor:pointer;display:flex;gap:6px;padding:4px 6px;transition:background .15s ease}.grammar-concept-item:hover{background:#8b5cf633}.grammar-concept-item.current{background:#8b5cf633;border-left-color:#8b5cf6}.grammar-concept-status{align-items:center;border-radius:50%;color:#fff;display:flex;flex-shrink:0;font-size:.5rem;font-weight:700;height:16px;justify-content:center;width:16px}.grammar-concept-name{color:#e2e8f0;flex:1 1;font-size:.65rem;font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.grammar-concept-badge{flex-shrink:0;font-size:.5rem;font-weight:700}.floating-hint-button{align-items:center;background-color:#f0f4f8;background-color:var(--question-bg);border:none;border-radius:50%;bottom:80px;box-shadow:0 2px 8px #0000001a;color:#1a1a1a;color:var(--text-color);cursor:pointer;display:flex;height:40px;justify-content:center;left:70px;outline:none;position:absolute;transition:all .2s ease;width:40px;z-index:10}.floating-hint-button.active,.floating-hint-button:hover{background-color:#f3f4f6;background-color:var(--hover-bg)}.floating-hint-button.active{color:#1ab4d9;color:var(--accent-color)}.dark-theme .floating-hint-button{background-color:#f0f4f8;background-color:var(--question-bg)}.dark-theme .floating-hint-button:hover{background-color:#f3f4f6;background-color:var(--hover-bg)}.srs-toggle-container{align-items:center;background:#f0f4f8;background:var(--question-bg);border-radius:12px;justify-content:space-between;margin-bottom:16px;padding:16px}.srs-toggle-label{color:#1a1a1a;color:var(--text-color);font-size:14px;font-weight:500}.toggle-switch{display:inline-block;height:24px;position:relative;width:48px}.toggle-switch input{height:0;opacity:0;width:0}.toggle-slider{background-color:#718096;background-color:var(--secondary-text);border-radius:24px;bottom:0;cursor:pointer;left:0;position:absolute;right:0;top:0;transition:.4s}.toggle-slider:before{background-color:#fff;border-radius:50%;bottom:3px;content:"";height:18px;left:3px;position:absolute;transition:.4s;width:18px}input:checked+.toggle-slider{background-color:#1ab4d9;background-color:var(--accent-color)}.toggle-switch-small{display:inline-block;height:18px;position:relative;width:36px}.toggle-switch-small input{height:0;opacity:0;width:0}.toggle-switch-small .toggle-slider{background-color:#718096;background-color:var(--secondary-text);border-radius:18px;bottom:0;cursor:pointer;left:0;position:absolute;right:0;top:0;transition:.4s}.toggle-switch-small .toggle-slider:before{background-color:#fff;border-radius:50%;bottom:2px;content:"";height:14px;left:2px;position:absolute;transition:.4s;width:14px}.toggle-switch-small input:checked+.toggle-slider{background-color:#1ab4d9;background-color:var(--accent-color)}.toggle-switch-small input:focus+.toggle-slider{box-shadow:0 0 1px #1ab4d9;box-shadow:0 0 1px var(--accent-color)}.toggle-switch-small input:checked+.toggle-slider:before{transform:translateX(18px)}input:focus+.toggle-slider{box-shadow:0 0 1px #1ab4d9;box-shadow:0 0 1px var(--accent-color)}input:checked+.toggle-slider:before{transform:translateX(24px)}.srs-toggle-description{color:#718096;color:var(--secondary-text);font-size:12px;margin-top:8px;text-align:center}.srs-toggle-container{display:flex;flex-direction:column}.srs-toggle-container>div{align-items:center;display:flex;justify-content:space-between;margin-bottom:8px;width:100%}.lesson-area{-ms-overflow-style:none;scrollbar-width:none}.lesson-area::-webkit-scrollbar{display:none}.avatar-3d-container{background:radial-gradient(ellipse at 50% 50%,#5a91c3e0 0,#4682b9e6 22%,#234878f0 70%,#18375ff2 100%);height:350px;overflow:hidden;position:relative;width:300px}.container.lesson-page.lesson-v2{background:#fff;background:var(--bg-color)}.container.lesson-page.lesson-v2 .overlay:not(.visible),.container.lesson-page.lesson-v2 .side-panel:not(.expanded){display:none!important}.container.lesson-page.lesson-v2 .main-content{margin-left:0!important;padding:0;width:100%!important}.container.lesson-page.lesson-v2 .app-header{background:#0000;border:none;box-shadow:none;display:none;padding:6px 8px 14px}.container.lesson-page.lesson-v2 .logo-container .app-name{color:#1a1a1a;color:var(--text-color)}.lesson-v2-grid{grid-gap:0;align-items:stretch;box-sizing:border-box;display:grid;gap:0;grid-template-columns:320px 1fr 320px;height:100vh;margin:0;max-width:none;padding:0;transition:grid-template-columns .28s cubic-bezier(.4,0,.2,1);width:100%}.lesson-v2-grid.guest-no-left{grid-template-columns:1fr 320px}@media (min-width:1600px){.lesson-v2-grid.guest-no-left{grid-template-columns:1fr 360px}}.guest-top-bar{align-items:center;display:flex!important;justify-content:space-between;left:14px!important;right:14px!important;width:auto!important}.guest-auth-buttons,.guest-logo-topbar{align-items:center;display:flex}.guest-auth-buttons{gap:10px}.guest-login-btn{background:#0000;border:1px solid #fff3;border-radius:8px;color:#1a1a1a;color:var(--text-color);cursor:pointer;font-size:14px;font-weight:600;padding:8px 18px;transition:all .2s ease}.guest-login-btn:hover{background:#ffffff14;border-color:#ffffff59}.guest-about-btn{background:#0000;border:none;border-radius:8px;color:#1a1a1a;color:var(--text-color);cursor:pointer;font-size:14px;font-weight:500;opacity:.75;padding:8px 14px;transition:all .2s ease}.guest-about-btn:hover{background:#ffffff0f;opacity:1}.guest-signup-btn{background:#ffffff1a;border:1px solid #fff3;border-radius:8px;color:#e2e8f0;cursor:pointer;font-size:14px;font-weight:600;padding:8px 18px;transition:all .2s ease}.guest-signup-btn:hover{background:#ffffff2e;border-color:#ffffff59}.guest-tutor-cta{align-items:center;display:flex;flex:1 1;flex-direction:column;gap:14px;justify-content:center;padding:20px 16px;text-align:center}.guest-tutor-cta-text{display:flex;flex-direction:column;gap:6px}.guest-tutor-cta-title{color:#1a1a1a;color:var(--text-color);font-size:15px;font-weight:600;margin:0}.guest-tutor-cta-desc{color:#718096;color:var(--secondary-text);font-size:13px;line-height:1.4;margin:0}.guest-tutor-cta-btn{background:#1ab4d938;background:rgba(var(--accent-color-rgb),.22);border:none;border-radius:10px;color:#1ab4d9;color:var(--accent-color);cursor:pointer;font-size:14px;font-weight:600;max-width:240px;padding:11px 28px;transition:all .2s ease;width:100%}.guest-tutor-cta-btn:hover{background:#1ab4d952;background:rgba(var(--accent-color-rgb),.32);transform:translateY(-1px)}.guest-center-footer{bottom:0;left:0;padding:10px 0;pointer-events:none;position:absolute;right:0;text-align:center}.guest-center-footer p{color:#718096;color:var(--secondary-text);font-size:11px;letter-spacing:.2px;margin:0;opacity:.4}.guest-tutor-login-link{background:none;border:none;color:#718096;color:var(--secondary-text);cursor:pointer;font-size:13px;padding:4px}.guest-tutor-login-link span{color:#1ab4d9;font-weight:600}.guest-tutor-login-link:hover span{text-decoration:underline}.mobile-guest-welcome{-webkit-overflow-scrolling:touch;flex-direction:column;min-height:100dvh;overflow-y:auto;padding:0 0 env(safe-area-inset-bottom)}.mobile-guest-welcome,.mobile-guest-welcome-topbar{align-items:center;background:#fff;background:var(--bg-color);display:flex;width:100%}.mobile-guest-welcome-topbar{box-sizing:border-box;justify-content:space-between;padding:14px 20px;position:sticky;top:0;z-index:10}.mobile-guest-welcome-logo{align-items:center;color:#fff;display:flex;font-size:22px;font-weight:700;gap:8px;letter-spacing:-.5px}.mobile-guest-welcome-logo svg{height:28px;width:28px}.mobile-guest-welcome-auth{align-items:center;display:flex;gap:8px}.mobile-guest-welcome-auth .guest-login-btn,.mobile-guest-welcome-auth .guest-signup-btn{font-size:13px;padding:7px 14px}.mobile-guest-welcome-hero{animation:welcomeFadeIn .6s ease-out both;padding:32px 24px 8px;text-align:center}.mobile-guest-welcome-headline{color:#1a1a1a;color:var(--text-color);font-size:28px;font-weight:700;letter-spacing:-.5px;line-height:1.15;margin:0}.mobile-guest-welcome-subheadline{animation:welcomeFadeIn .7s ease-out .2s both;color:#718096;color:var(--secondary-text);font-size:15px;font-weight:400;line-height:1.4;margin:8px 0 0}.mobile-guest-welcome-options{grid-gap:12px;display:grid;gap:12px;grid-template-columns:repeat(2,1fr);max-width:340px;padding:24px 20px 0;width:100%}.mobile-guest-welcome-option{align-items:center;animation:welcomeCardIn .5s ease-out both;background:linear-gradient(160deg,#ffffff0f,hsla(0,0%,100%,.015));border:1px solid #ffffff12;border-radius:18px;color:#1a1a1a;color:var(--text-color);cursor:pointer;display:flex;flex-direction:column;gap:8px;justify-content:center;padding:22px 12px 18px;transition:all .28s cubic-bezier(.25,.46,.45,.94)}.mobile-guest-welcome-option:first-child{animation-delay:.3s}.mobile-guest-welcome-option:nth-child(2){animation-delay:.4s}.mobile-guest-welcome-option:nth-child(3){animation-delay:.5s}.mobile-guest-welcome-option:nth-child(4){animation-delay:.6s}.mobile-guest-welcome-option:active{background:linear-gradient(160deg,#1ab4d91f,#1ab4d908);border-color:#1ab4d94d;transform:scale(.97)}.mobile-guest-welcome-cta{align-items:center;animation:welcomeFadeIn .7s ease-out .5s both;display:flex;flex-direction:column;gap:10px;padding:32px 24px 0;text-align:center}.mobile-guest-welcome-cta-title{color:#1a1a1a;color:var(--text-color);font-size:16px;font-weight:600;margin:0}.mobile-guest-welcome-cta-desc{color:#718096;color:var(--secondary-text);font-size:13px;line-height:1.45;margin:0;max-width:300px}.mobile-guest-welcome-cta .guest-tutor-cta-btn{margin-top:6px;max-width:260px}.mobile-guest-welcome-input-bar{align-items:center;animation:welcomeFadeIn .7s ease-out .65s both;box-sizing:border-box;display:flex;gap:12px;max-width:400px;padding:32px 20px 0;width:100%}.mobile-guest-welcome-input-bar .floating-text-input{background-color:#141e37eb!important;border:1px solid #ffffff29;border-radius:25px;bottom:auto!important;flex:1 1;height:48px;max-width:none!important;min-width:0!important;position:relative!important;right:auto!important;width:auto!important}.mobile-guest-welcome-input-bar .floating-mic-button{animation:none!important;flex-shrink:0;height:48px!important;position:relative!important;width:48px!important}.mobile-guest-welcome-footer{margin-top:auto;padding:20px 0 12px;text-align:center}.mobile-guest-welcome-footer p{color:#718096;color:var(--secondary-text);font-size:11px;letter-spacing:.2px;margin:0;opacity:.4}@media (max-width:360px){.mobile-guest-welcome-headline{font-size:24px}.mobile-guest-welcome-options{gap:10px;padding:20px 16px 0}.mobile-guest-welcome-option{padding:18px 10px 14px}}.lesson-v2-panel{background:#fff;background:var(--card-bg);border:none;border-radius:0;box-shadow:none;overflow:hidden}.lesson-v2-right .lesson-v2-panel{border-right:none}.lesson-v2-left,.lesson-v2-left .lesson-v2-panel{display:flex;flex-direction:column;min-height:0}.lesson-v2-left{background:#fff;background:var(--card-bg);border-right:1px solid #e5e7eb;border-right:1px solid var(--border-color);gap:0;height:100%}.lesson-v2-right{border-left:1px solid #e5e7eb;border-left:1px solid var(--border-color)}.lesson-v2-left .lesson-v2-panel,.lesson-v2-left .lesson-v2-panel:not(:last-child),.lesson-v2-right .lesson-v2-panel:not(:last-child){border-bottom:none}.lesson-v2-panel-header{background:#0000;border-bottom:none;color:#718096;color:var(--secondary-text);font-family:inherit;font-size:12px;font-weight:700;letter-spacing:1.2px;padding:20px 18px 8px;text-transform:uppercase}.lesson-v2-center,.lesson-v2-left,.lesson-v2-right{min-height:0}.lesson-v2-center{position:relative}.lesson-v2-partners{flex:1 1;min-height:0;overflow:auto;padding:8px 0 0}.lesson-v2-options{display:flex;flex-direction:column;padding:0}.lesson-v2-option{align-items:center;background:#0000;border:none;border-radius:0;color:#1a1a1a;color:var(--text-color);cursor:pointer;display:flex;font-size:15px;font-weight:600;gap:12px;margin:0;padding:12px 18px;text-align:left;transition:background .14s ease;width:100%}.lesson-v2-option:hover{background:#ffffff0f}.lesson-v2-option.active{background:#ffffff14;color:var(--primary-color)}.container.lesson-page.lesson-v2:not(.dark-theme) .lesson-v2-option:hover{background:#0000000a}.container.lesson-page.lesson-v2:not(.dark-theme) .lesson-v2-option.active{background:#0000000f}.lesson-v2-option-icon{align-items:center;color:inherit;display:flex;justify-content:center}.lesson-v2-partner{align-items:center;background:#0000;border:none;border-radius:0;color:#1a1a1a;color:var(--text-color);cursor:pointer;display:flex;gap:12px;margin:0;padding:12px 14px;text-align:left;transition:background .14s ease;width:100%}.lesson-v2-partner:hover{background:#ffffff0f}.lesson-v2-partner.active{background:#ffffff14}.container.lesson-page.lesson-v2:not(.dark-theme) .lesson-v2-partner:hover{background:#0000000a}.container.lesson-page.lesson-v2:not(.dark-theme) .lesson-v2-partner.active{background:#0000000f}.partner-row-end{align-items:center;align-self:center;display:flex;flex-shrink:0;margin-left:auto}.partner-row-end .partner-menu{display:none}.lesson-v2-partner:hover .partner-row-end .partner-menu{display:inline-flex}.partner-menu .chat-menu-container .lesson-v2-icon-btn{background:#0000;border:none;height:26px;width:26px}.partner-menu .chat-menu-container .lesson-v2-icon-btn:hover{background:#ffffff1a}.partner-menu .chat-menu-dropdown{left:auto;min-width:170px;right:0}.chat-menu-dropdown-fixed{left:auto;max-width:170px;min-width:170px;position:fixed!important;right:auto;top:auto;width:170px;z-index:9999}.tutor-option-menu{flex-shrink:0;line-height:0;margin-left:auto;opacity:0;transition:opacity .15s ease;visibility:hidden}.lesson-v2-option:hover .tutor-option-menu{opacity:1;visibility:visible}.tutor-option-menu .chat-menu-container .lesson-v2-icon-btn{background:#0000;border:none;height:26px;width:26px}.tutor-option-menu .chat-menu-container .lesson-v2-icon-btn:hover{background:#ffffff1a}.container.lesson-page.lesson-v2:not(.dark-theme) .tutor-option-menu .chat-menu-container .lesson-v2-icon-btn:hover{background:#00000014}.lesson-v2-partner-avatar{border:none;border-radius:999px;height:38px;object-fit:cover;width:38px}.lesson-v2-partner-meta{display:flex;flex:1 1;flex-direction:column;max-width:75%;min-width:0}.lesson-v2-partner-name{font-size:15px;font-weight:600;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lesson-v2-partner-role{font-weight:600}.lesson-v2-partner-role,.lesson-v2-partner-sub{color:#718096;color:var(--secondary-text);font-size:12px}.lesson-v2-partner-sub{align-items:center;display:flex;margin-top:2px;overflow:hidden;white-space:nowrap}.partner-last-msg{flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.partner-time-inline{flex-shrink:0;opacity:.7;white-space:nowrap}.chat-partners-empty,.panel-empty-state{align-items:center;display:flex;flex:1 1 auto;flex-direction:column;justify-content:center;padding:100px 20px 24px;text-align:center}.chat-partners-empty-icon,.panel-empty-state-icon{align-items:center;background:#ffffff0f;border-radius:50%;color:#718096;color:var(--secondary-text);display:flex;height:48px;justify-content:center;margin-bottom:12px;opacity:.7;width:48px}.chat-partners-empty-subtitle,.panel-empty-state-text{color:#718096;color:var(--secondary-text);font-size:13px;line-height:1.4;margin:0 0 14px}.chat-partners-empty-cta,.panel-empty-state-cta{background:#0000;border:1px solid #ffffff1f;border-radius:20px;color:#718096;color:var(--secondary-text);cursor:pointer;font-size:12.5px;font-weight:500;padding:7px 18px;transition:all .2s ease}.chat-partners-empty-cta:hover,.panel-empty-state-cta:hover{background:#ffffff0d;border-color:#ffffff40;color:#1a1a1a;color:var(--text-color)}.chat-partners-empty-cta:active,.panel-empty-state-cta:active{background:#ffffff08}.chat-partners-loading{align-items:center;display:flex;flex-direction:column;justify-content:center;min-height:200px;padding:32px 16px}.chat-unread-badge{background:#3b82f6;border-radius:10px;color:#fff;display:inline-flex;font-size:11px;font-weight:700;height:20px;margin-left:8px;min-width:20px;padding:2px 6px}.chat-modal-overlay,.chat-unread-badge{align-items:center;justify-content:center}.chat-modal-overlay{background:#00000080;display:flex;inset:0;position:fixed;z-index:9999}.chat-modal-panel{background:#fff;background:var(--card-bg);border-radius:16px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;display:flex;flex-direction:column;max-height:80vh;max-width:480px;width:90%;z-index:10000}.chat-modal-title{border-bottom:1px solid #e5e7eb;border-bottom:1px solid var(--border-color);color:#1a1a1a;color:var(--text-color);font-size:20px;font-weight:700;padding:24px}.chat-modal-search{padding:16px 24px}.chat-modal-search input{background:#fff;background:var(--bg-color);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:8px;color:#1a1a1a;color:var(--text-color);font-size:14px;padding:12px 16px;width:100%}.chat-modal-search input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a;outline:none}.chat-modal-list{flex:1 1;max-height:50vh;min-height:0;overflow-y:auto;padding:0 16px 16px}.chat-modal-partner-item{align-items:center;border-radius:8px;display:flex;justify-content:space-between;margin-bottom:8px;padding:12px 16px;transition:background .2s ease}.chat-modal-partner-item:hover{background:#3b82f60d}.chat-modal-partner-info{align-items:center;display:flex;flex:1 1;gap:12px}.chat-modal-partner-avatar{border-radius:50%;height:48px;object-fit:cover;width:48px}.chat-modal-partner-details{flex:1 1}.chat-modal-partner-name{color:#1a1a1a;color:var(--text-color);font-size:15px;font-weight:600;margin-bottom:2px}.chat-modal-partner-language{color:#718096;color:var(--secondary-text);font-size:13px}.chat-modal-partner-button{background:#3b82f6;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:14px;font-weight:600;padding:8px 20px;transition:all .2s ease}.chat-modal-partner-button:hover{background:#2563eb}.chat-modal-partner-button:disabled{background:#9ca3af;cursor:not-allowed}.chat-modal-close{border-top:1px solid #e5e7eb;border-top:1px solid var(--border-color);padding:16px 24px}.chat-modal-close button{background:var(--bg-secondary);border:none;border-radius:8px;color:#1a1a1a;color:var(--text-color);cursor:pointer;font-weight:600;padding:12px;transition:background .2s ease;width:100%}.chat-modal-close button:hover{background:#e5e7eb;background:var(--border-color)}.chat-modal-empty{color:#718096;color:var(--secondary-text);padding:48px 24px;text-align:center}.chat-add-partner-btn{align-items:center;background:#3b82f6;border:none;border-radius:50%;color:#fff;cursor:pointer;display:flex;font-size:14px;font-weight:700;height:20px;justify-content:center;line-height:1;transition:all .2s ease;width:20px}.chat-add-partner-btn:hover{background:#2563eb;transform:scale(1.1)}.chat-add-partner-btn:active{transform:scale(.95)}.chat-menu-container{display:inline-block;position:relative}.chat-menu-btn{background:#0000!important;border:none!important;padding:4px;transition:background .2s ease}.chat-menu-btn:hover{background:#ffffff1a}.chat-menu-dropdown{background:#fff;background:var(--card-bg,#1e293b);border:1px solid #e5e7eb;border:1px solid var(--border-color,#ffffff1a);border-radius:8px;box-shadow:0 4px 12px #0000004d;margin-top:4px;min-width:160px;overflow:hidden;position:absolute;right:0;top:100%;z-index:1000}.chat-menu-item{align-items:center;background:#0000;border:none;color:#1a1a1a;color:var(--text-color,#e2e8f0);cursor:pointer;display:flex;font-size:14px;gap:10px;padding:10px 14px;text-align:left;transition:background .15s ease;width:100%}.chat-menu-item:hover{background:#ffffff14}.chat-menu-item-danger{color:#ef4444}.chat-menu-item-danger:hover{background:#ef444426}.chat-menu-icon{align-items:center;display:flex;height:20px;justify-content:center;width:20px}.chat-menu-icon svg{height:16px;width:16px}.chat-partner-pinned{color:#1ab4d9;color:var(--accent-color);font-size:12px;margin-left:4px}.lesson-v2-chat-panel{background:#fff;background:var(--bg-color);display:flex;flex-direction:column;height:100%;min-height:0;position:relative;z-index:0}.lesson-v2-chat-panel:before{background-image:url(/static/media/pattern-31.dd70191bf155bffcb225.svg);background-repeat:repeat;background-size:400px;bottom:0;content:"";left:0;opacity:.03;pointer-events:none;position:absolute;right:0;top:0;z-index:-1}.dark-theme .lesson-v2-chat-panel{background:#0e1521}.dark-theme .lesson-v2-chat-panel:before{filter:invert(1);opacity:.03}.lesson-v2-chat-header{align-items:center;background:#fff;background:var(--card-bg);border-bottom:none;display:flex;flex:0 0 auto;justify-content:space-between;min-height:63px;padding:0 20px}.lesson-v2-chat-title{align-items:center;display:flex;gap:12px;min-width:0}.lesson-v2-chat-avatar{border:2px solid #e5e7eb;border:2px solid var(--border-color);border-radius:999px;height:34px;object-fit:cover;width:34px}.lesson-v2-chat-title-text{color:#1a1a1a;color:var(--text-color);font-size:16px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lesson-v2-chat-actions{align-items:center;display:flex;flex:0 0 auto;gap:6px}.chat-partner-float-info{align-items:center;display:flex;gap:10px;left:18px;pointer-events:auto;position:absolute;top:14px;z-index:15}.chat-partner-float-clickable{align-items:center;background:none;border:none;border-radius:8px;color:inherit;cursor:pointer;display:flex;font:inherit;gap:10px;margin:0;min-width:0;padding:0;text-align:left;transition:opacity .15s}.chat-partner-float-clickable:hover{opacity:.8}.chat-partner-float-clickable:hover .chat-partner-float-name{text-decoration:underline;text-underline-offset:2px}.chat-partner-float-details{display:flex;flex-direction:column;min-width:0}.mode-icon-circle{align-items:center;background:#ffffff14;border-radius:50%;color:#1a1a1a;color:var(--text-color);display:flex;flex-shrink:0;height:36px;justify-content:center;width:36px}.chat-partner-float-name{color:#1a1a1a;color:var(--text-color);font-size:16px;font-weight:700;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-partner-float-status{color:#718096;color:var(--secondary-text);font-size:11px;line-height:1.3;margin-top:1px;opacity:.7}.chat-partner-float-status.online{color:#10b981;opacity:1}.chat-partner-float-status.typing{color:#3b82f6;opacity:1}.chat-floating-typing-bar{left:50%;pointer-events:none;position:absolute;top:10px;transform:translateX(-50%);z-index:20}.chat-floating-typing{align-items:center;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:#0000004d;border-radius:10px;color:#10b981;display:inline-flex;font-size:12px;font-weight:500;gap:2px;padding:4px 10px;white-space:nowrap}.chat-floating-practice-actions{border-radius:10px;gap:4px;padding:4px 6px}.chat-floating-panel-toggle,.chat-floating-practice-actions{align-items:center;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:#0003;display:flex;position:absolute;right:12px;top:10px;z-index:20}.chat-floating-panel-toggle{border:none;border-radius:8px;color:#ffffffb3;cursor:pointer;height:32px;justify-content:center;transition:background .15s ease,color .15s ease;width:32px}.chat-floating-panel-toggle:hover{background:#00000059;color:#fff}.lesson-v2-icon-btn{align-items:center;background:#f0f4f8;background:var(--question-bg);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:10px;color:#1a1a1a;color:var(--text-color);cursor:pointer;display:inline-flex;height:30px;justify-content:center;width:30px}.lesson-v2-chat-panel .card.chat-mode{background:#0000;border:none;border-radius:0;box-shadow:none;display:flex;flex:1 1 auto;flex-direction:column;height:auto!important;margin:0!important;max-width:none;min-height:0;padding-bottom:0!important;width:100%}.lesson-v2-chat-panel .card-content{display:flex;flex:1 1 auto;flex-direction:column;min-height:0;padding:0}.lesson-v2-chat-panel .chat-container{display:flex;flex:1 1 auto;flex-direction:column;min-height:0;padding-bottom:0!important}.container.lesson-page.lesson-v2 .chat-instructions{display:none}.container.lesson-page.lesson-v2 .chat-messages{flex:1 1 auto;min-height:0;padding:16px 18px}.container.lesson-page.lesson-v2 .card.chat-mode{margin-top:0}.v2-tutor-header-row{align-items:center;display:flex;flex:0 0 auto;justify-content:space-between;padding:10px 18px 6px;z-index:15}.container.lesson-page.lesson-v2 .card.chat-mode .chat-messages{padding-top:8px}.container.lesson-page.lesson-v2 .recording-indicator{align-self:flex-end;margin:8px 14px 0;position:static}.lesson-v2-chat-footer{align-items:center;background:#0000;box-sizing:border-box;display:flex;flex:0 0 auto;gap:12px;margin:auto auto 0;max-width:680px;overflow:visible;padding:12px 14px 16px;position:relative;width:100%;z-index:100}.container.lesson-page.lesson-v2 .floating-text-input{background:#f0f4f8;background:var(--question-bg);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:18px 18px 18px 18px;inset:auto;bottom:auto;box-shadow:none;display:flex;flex:1 1 auto;flex-direction:column;height:50px;left:auto;max-width:none;padding:0 10px 0 16px;position:relative;right:auto;top:auto;width:auto}.container.lesson-page.lesson-v2 .floating-text-input.has-reply{height:auto;padding:0}.container.lesson-page.lesson-v2 .floating-text-input.has-reply .floating-text-input-row{padding:0 10px 0 16px}.floating-text-input-row{align-items:center;display:flex;flex:1 1;min-height:50px;width:100%}.container.lesson-page.lesson-v2 .floating-mic-button{inset:auto;bottom:auto;height:56px;position:relative;right:auto;width:56px}.lesson-v2-right{display:flex;flex-direction:column;gap:0;height:100%;min-height:0}.lesson-v2-avatar-panel{display:flex;flex:1 1;flex-direction:column;margin-bottom:0;min-height:0;overflow:hidden;position:relative}.lesson-v2-right-header{align-items:center;background:#0000;box-sizing:border-box;display:flex;flex:0 0 auto;justify-content:flex-end;padding:0 12px;position:absolute;right:0;top:16px;z-index:5}.right-panel-stats{color:#718096;color:var(--secondary-text);display:flex;font-size:14px;gap:16px}.v2-stats-row{align-items:center;display:flex;font-size:12.5px;gap:8px;justify-content:center;padding:14px 16px 6px}.v2-stat{background:none;border:none;color:#718096;color:var(--secondary-text);cursor:pointer;font:inherit;font-size:12.5px;margin:0;padding:0;transition:color .15s ease}.v2-stat strong,.v2-stat:hover{color:#1a1a1a;color:var(--text-color)}.v2-stat strong{font-weight:600}.v2-stats-dot{color:#718096;color:var(--secondary-text);opacity:.5}.lesson-v2-right-header .close-btn{align-items:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0000004d;border:none;border-radius:50%;color:#fffc;cursor:pointer;display:flex;justify-content:center;padding:6px;transition:background .2s,color .2s}.lesson-v2-right-header .close-btn:hover{background:#00000080;color:#fff}.header-panel-toggle{align-items:center;background:#0000;border:none;border-radius:6px;color:#718096;color:var(--secondary-text);cursor:pointer;display:flex;justify-content:center;padding:6px;transition:background .15s,color .15s}.header-panel-toggle:hover{background:#ffffff14;color:#1a1a1a;color:var(--text-color)}.lesson-v2-avatar-surface{align-items:center;background:radial-gradient(ellipse at 50% 50%,#5a91c3e0 0,#4682b9e6 22%,#234878f0 70%,#18375ff2 100%);display:flex;flex-shrink:0;height:clamp(340px,50vh,480px);justify-content:center;overflow:hidden;position:relative}.center-course-selector{position:absolute;right:14px;top:18px;z-index:20}.center-course-selector .course-dropdown-trigger{background:#0000;border-radius:8px;padding:4px}.center-course-selector .course-dropdown-trigger:hover{background:#ffffff14}.center-course-selector .course-flag{height:16px;width:24px}.avatar-panel-title{background:#0000;color:#718096;color:var(--secondary-text);font-size:12px;font-weight:700;left:16px;letter-spacing:1.2px;position:absolute;text-transform:uppercase;top:22px;z-index:10}.lesson-v2-avatar-surface:after{background:linear-gradient(0deg,#fff 0,#0000 50%);background:linear-gradient(to top,var(--card-bg) 0,#0000 50%);content:"";inset:0;pointer-events:none;position:absolute;z-index:1}.lesson-v2-avatar-card{height:100%;justify-content:center;width:100%}.avatar-greeting-bubble{align-items:center;animation:greetingBubbleIn .6s cubic-bezier(.22,1,.36,1) forwards;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:#ffffff14;border:1px solid #ffffff1f;border-radius:14px;box-shadow:0 2px 10px #00000026;cursor:pointer;display:flex;justify-content:center;padding:6px 14px;pointer-events:auto;position:absolute;right:16%;top:30%;transform-origin:bottom center;transition:background .2s ease,border-color .2s ease;-webkit-user-select:none;user-select:none;z-index:10}.avatar-greeting-bubble:hover{background:#ffffff1f;border-color:#ffffff2e}.avatar-greeting-text{color:#ffffffb3;font-size:12.5px;font-weight:500;letter-spacing:.2px;white-space:nowrap}@keyframes greetingBubbleIn{0%{opacity:0;transform:scale(.6) translateY(6px)}to{opacity:1;transform:scale(1) translateY(0)}}.avatar-subtitles{bottom:0;left:0;padding:0 16px 10px;pointer-events:none;position:absolute;right:0;z-index:5}.avatar-subtitles__scroll{align-items:center;display:flex;flex-direction:column;gap:2px;mask-image:linear-gradient(180deg,#0000 0,#000 35%);-webkit-mask-image:linear-gradient(180deg,#0000 0,#000 35%);max-height:100px;overflow-y:auto;pointer-events:auto;text-align:center}.avatar-subtitles__scroll::-webkit-scrollbar{width:0}.avatar-sub{word-wrap:break-word;animation:subFadeIn .3s ease-out;flex-shrink:0;font-size:12.5px;line-height:1.45;max-width:94%;overflow-wrap:break-word;white-space:pre-wrap}@keyframes subFadeIn{0%{opacity:0}to{opacity:1}}.avatar-sub--tutor{color:#ffffff8c;text-shadow:0 1px 6px #00000080}.avatar-sub--user{color:#1ab4d980;font-size:11.5px;font-style:italic}.lesson-v2-avatar.avatar-3d-container{background:#0000!important;height:100%;overflow:visible;width:100%}.lesson-v2-lang-pill{align-items:center;background:#fff;background:var(--card-bg);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:999px;color:#1a1a1a;color:var(--text-color);cursor:pointer;display:inline-flex;font-weight:600;gap:8px;padding:8px 12px;position:absolute;right:12px;top:12px}.lesson-v2-flag{border-radius:3px;height:14px;object-fit:cover;width:18px}.lesson-v2-feedback-panel{display:flex;flex:0 0 auto;flex-direction:column}.lesson-v2-feedback-panel .lesson-v2-panel-header{border-bottom:none;color:#718096;color:var(--secondary-text);font-size:12px;font-weight:700;letter-spacing:1.2px;padding:30px 18px 12px}.lesson-v2-feedback-body{color:#1a1a1a;color:var(--text-color);flex:1 1 auto;min-height:0;overflow:auto;padding:14px 16px}@media (max-height:740px),(max-width:768px){.lesson-v2-right{gap:0}.lesson-v2-avatar-surface{height:clamp(280px,42vh,360px)}.lesson-avatar-head canvas,.lesson-v2-avatar canvas{transform:translateY(-10px) scale(1.05);transform-origin:center top}.lesson-v2-feedback-panel{flex:0 0 auto}}.lesson-v2-feedback-row{grid-gap:10px;display:grid;gap:10px;grid-template-columns:110px 1fr;margin-bottom:10px}.lesson-v2-feedback-label{color:#718096;color:var(--secondary-text);font-size:12px}.lesson-v2-feedback-value{color:#1a1a1a;color:var(--text-color);font-size:13px}.lesson-v2-feedback-muted{color:#718096;color:var(--secondary-text);font-size:13px}.lesson-v2-feedback-chip{align-items:center;background:#f0f4f8;background:var(--question-bg);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:999px;display:inline-flex;font-size:12px;font-weight:700;justify-content:center;margin-top:4px;padding:7px 10px}.lesson-v2-feedback-chip.ok{background:#22c55e24;border-color:#22c55e42}.lesson-v2-feedback-chip.bad{background:#ef444424;border-color:#ef444442}@media (max-width:1200px){.lesson-v2-grid{grid-template-columns:320px 1fr 320px;max-width:none;width:100%}}@media (min-width:1600px){.lesson-v2-grid{grid-template-columns:360px 1fr 360px;max-width:none;width:100%}}@media (max-width:900px){.lesson-v2-grid{width:100%}}.dark-theme .avatar-3d-container{background:radial-gradient(ellipse at 50% 50%,#5a91c3e0 0,#4682b9e6 22%,#234878f0 70%,#18375ff2 100%)}.avatar-3d-container canvas{height:100%!important;width:100%!important}.chat-with-avatar{height:100%;position:relative}.chat-with-avatar .chat-container{height:100%;width:100%}.chat-with-avatar .avatar-card{bottom:-60px;left:50%;pointer-events:auto;position:absolute;transform:translateX(-50%);z-index:10}.chat-with-avatar .avatar-3d-container{height:350px;width:250px}.chat-with-avatar .floating-hint-button,.chat-with-avatar .floating-mic-button,.chat-with-avatar .floating-text-input,.chat-with-avatar .floating-translate-button{bottom:-50px}.chat-with-avatar .recording-indicator{bottom:15px}@media (max-width:768px){.chat-with-avatar .avatar-card{bottom:-55px;left:50%;transform:translateX(-50%)}.chat-with-avatar .avatar-3d-container{height:300px;width:250px}.chat-with-avatar .floating-hint-button,.chat-with-avatar .floating-mic-button,.chat-with-avatar .floating-translate-button{bottom:-50px}.chat-with-avatar .recording-indicator{bottom:20px}}.avatar-card{align-items:center;display:flex;flex-direction:column;position:relative}.tts-overlay{animation:slideUp .3s ease;bottom:60px;left:50%;max-width:90%;position:absolute;transform:translateX(-50%);width:280px;z-index:20}@keyframes slideUp{0%{opacity:0;transform:translateX(-50%) translateY(20px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}.tts-overlay-content{position:relative;width:100%}.tts-close-button{align-items:center;background:#f56565;border:none;border-radius:50%;box-shadow:0 2px 8px #0000004d;color:#fff;cursor:pointer;display:flex;font-size:14px;font-weight:700;height:24px;justify-content:center;position:absolute;right:-12px;top:-12px;transition:all .2s ease;width:24px;z-index:21}.tts-close-button:hover{background:#e53e3e;transform:scale(1.1)}.dark-theme .tts-close-button{background:#f56565;color:#fff}.dark-theme .tts-close-button:hover{background:#e53e3e}.tts-input-group{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffffa;border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:12px;box-shadow:0 4px 20px #00000040;display:flex;flex-direction:column;gap:10px;padding:16px}.dark-theme .tts-input-group{background:#2d3748f2;border-color:#4a5568}.tts-input{background:#fff;border:2px solid #e2e8f0;border-radius:8px;color:#1a1a1a;color:var(--text-color);font-family:inherit;font-size:14px;min-height:60px;padding:10px;resize:vertical;transition:border-color .2s ease;width:100%}.tts-input:focus{border-color:#1ab4d9;border-color:var(--accent-color);box-shadow:0 0 0 3px #1ab4d91a;outline:none}.tts-input:disabled{background:#f7fafc;color:#a0aec0;cursor:not-allowed}.dark-theme .tts-input{background:#2d3748;border-color:#4a5568;color:#e2e8f0}.dark-theme .tts-input:disabled{background:#1a202c;color:#718096}.dark-theme .tts-input:focus{border-color:#1ab4d9;border-color:var(--accent-color);box-shadow:0 0 0 3px #1ab4d933}.tts-speak-button{background:linear-gradient(135deg,#1ab4d9,#0f7a8c);background:linear-gradient(135deg,var(--accent-color),#0f7a8c);border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:14px;font-weight:600;min-width:100px;padding:10px 20px;transition:all .2s ease}.tts-speak-button:hover:not(:disabled){box-shadow:0 4px 12px #1ab4d94d;transform:translateY(-1px)}.tts-speak-button:disabled{background:#e2e8f0;box-shadow:none;color:#a0aec0;cursor:not-allowed;transform:none}.dark-theme .tts-speak-button:disabled{background:#4a5568;color:#718096}@media (max-width:768px){.tts-overlay{bottom:50px;max-width:300px;width:95%}.tts-input-group{padding:14px}.tts-input{font-size:16px;min-height:50px;padding:8px}.tts-speak-button{font-size:16px;padding:12px 18px}.tts-close-button{font-size:16px;height:28px;right:-10px;top:-10px;width:28px}}.mobile-card-container{display:flex;flex-direction:column;gap:8px;height:100%;overflow:hidden}.mobile-chat-card{margin:0!important;padding-bottom:0!important}.mobile-chat-card,.mobile-chat-card .card-content,.mobile-chat-card .chat-container{display:flex;flex:1 1;flex-direction:column;min-height:0;overflow:hidden}.mobile-chat-card .chat-messages{flex:1 1;min-height:0;overflow-y:auto;padding:16px}.mobile-card-container .avatar-card{align-items:center;background:#0000;display:flex;height:100%;justify-content:center;width:100%}.mobile-card-container .avatar-3d-container{height:100%;max-height:none;width:100%}.mobile-card-container .loading-state{align-items:center;display:flex;flex-direction:column;height:auto;justify-content:center;left:auto;padding:20px;position:relative;top:auto;transform:none;width:auto}.mobile-chat-card:after{display:none}@media (max-width:768px){.mobile-chat-card .floating-mic-button{position:relative;z-index:1001}.mobile-chat-card .floating-text-input{border-radius:22px;bottom:auto;flex:1 1;height:44px;position:relative;right:auto;width:auto}.mobile-chat-card .floating-text-input-field{font-size:14px}.mobile-chat-card .floating-send-button{height:32px;min-width:32px;width:32px}.mobile-chat-card .floating-send-button .send-icon{font-size:14px}.mobile-chat-card .recording-indicator{bottom:75px;right:20px}.mobile-dropdown{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#2d3748f2;border:1px solid #fff3;border-radius:12px;box-shadow:0 8px 25px #00000040;color:#fff;margin:0 auto}.mobile-dropdown .dropdown-search{background:#2d3748f2;padding:12px}.mobile-dropdown .dropdown-search input{background:#ffffff1a;border:1px solid #ffffff4d;border-radius:8px;box-sizing:border-box;color:#fff;font-size:16px;padding:12px;width:100%}.mobile-dropdown .dropdown-search input::placeholder{color:#fff9}.mobile-dropdown .dropdown-content{background:#2d3748f2;max-height:200px;overflow-y:auto}.mobile-dropdown .dropdown-word{align-items:center;border-bottom:1px solid #ffffff1a;color:#fff;display:flex;font-size:14px;justify-content:space-between;padding:12px 16px}.mobile-dropdown .dropdown-word:last-child{border-bottom:none}.mobile-dropdown .dropdown-word:hover{background:#ffffff1a}.mobile-dropdown .word-text{color:#fff;font-weight:500}.mobile-dropdown .word-transliteration{color:#ffffffb3;font-style:italic;margin-left:8px}.mobile-dropdown .word-due{color:#fff9;font-size:12px}}.sr-only{clip:rect(0,0,0,0)!important;border:0!important;height:1px!important;margin:-1px!important;overflow:hidden!important;padding:0!important;position:absolute!important;white-space:nowrap!important;width:1px!important}.text-center{text-align:center!important}.flex-1{flex:1 1!important}.cursor-pointer{cursor:pointer!important}.whitespace-nowrap{white-space:nowrap!important}.relative{position:relative!important}.min-w-120{min-width:120px!important}.dropdown-stats-override{margin-top:0!important;z-index:1050!important}.stat-label-accent{color:#1ab4d9!important;color:var(--accent-color)!important;font-weight:600!important}.loading-subtext{color:#718096!important;color:var(--secondary-text)!important;font-size:14px!important;margin-top:8px!important;opacity:.7!important}.mic-error-tooltip{background-color:#fff!important;border-radius:5px!important;bottom:75px!important;color:red!important;font-size:12px!important;padding:5px!important;position:absolute!important;right:20px!important;z-index:101!important}.flex-column-full{display:flex!important;flex-direction:column!important;min-height:0!important}.flex-grow-min-height{flex:1 1!important;min-height:0!important}.overflow-y-auto{overflow-y:auto!important}.overflow-x-hidden{overflow-x:hidden!important}.h-full{height:100%!important}.flex-none{flex:0 0 auto!important}.flex-1-min-0{flex:1 1!important;min-height:0!important}.flex-column{display:flex!important;flex-direction:column!important}.min-h-0{min-height:0!important}.m-0{margin:0!important}.w-full{width:100%!important}.text-red{color:red!important}.mt-2{margin-top:.5rem!important}.mt-10px{margin-top:10px!important}.global-loader-overlay{align-items:center;background-color:#fff;background-color:var(--bg-color);bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:9999}.global-loader-content{text-align:center}.mobile-stats-container{align-items:center;background:#fff;background:var(--card-bg);border-radius:12px;box-shadow:0 2px 4px #0000001a;display:flex;font-size:13px;gap:12px;height:20px;min-height:20px;padding:8px 12px;position:fixed;right:30px;top:20px;transition:all .2s ease;z-index:1001}.mobile-stat-item{align-items:center;border-radius:6px;cursor:pointer;display:flex;gap:4px;padding:4px;position:relative;transition:background-color .2s ease}.mobile-stat-label{color:#718096;color:var(--secondary-text);font-size:13px;font-weight:500;white-space:nowrap}.mobile-stat-value{color:#1a1a1a;color:var(--text-color);font-size:13px;font-weight:600}.mobile-card-container-style{display:flex;flex-direction:column;gap:20px;height:calc(100vh - 140px);left:20px;position:fixed;right:20px;top:80px;width:auto;z-index:1000}.mobile-avatar-card{align-items:center;background:#fff;background:var(--card-bg);border:none;border-radius:12px;box-shadow:0 2px 8px #00000026;display:flex;flex:0 0 25%;flex-direction:column;justify-content:flex-start;min-height:120px;overflow:hidden;position:relative}.mobile-avatar-card .avatar-3d-container{flex:1 1;min-height:0;width:100%}.mobile-avatar-subtitles{background:linear-gradient(#0000,#00000026 40%);flex:0 0 auto;max-height:35%;overflow-y:auto;padding:2px 12px 6px;width:100%;z-index:5}.mobile-avatar-subtitles .avatar-subtitles{bottom:auto;left:auto;padding:0;pointer-events:auto;position:relative;right:auto}.mobile-avatar-subtitles .avatar-subtitles__scroll{gap:2px;mask-image:none;-webkit-mask-image:none;max-height:none}.mobile-avatar-subtitles .avatar-sub{font-size:11px;line-height:1.35}.mobile-top-header{align-items:center;background:#0000;display:flex;height:60px;justify-content:space-between;left:0;padding:0 20px;position:fixed;right:0;top:0;z-index:1002}.mobile-top-header-logo{align-items:center;cursor:pointer;display:flex;gap:8px}.mobile-top-header-logo svg{height:28px;width:26px}.mobile-top-header-stats{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffff14;border-radius:10px;display:flex;gap:10px;padding:6px 12px}.mobile-stats-container{display:none!important}.mobile-lang-badge{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#15203b;border-radius:6px;cursor:pointer;display:flex;gap:4px;padding:4px 8px;position:absolute;right:8px;top:8px;transition:all .2s ease;z-index:10}.mobile-lang-badge:hover{transform:scale(1.05)}.mobile-flag-img{border-radius:2px;height:12px;object-fit:cover;pointer-events:none;width:16px}.mobile-lang-text{color:#fff;font-size:10px;font-weight:600;letter-spacing:.5px;pointer-events:none;text-transform:uppercase}.audio-player-container-sent{display:block;margin-left:auto;margin-right:0;max-width:fit-content;position:relative;text-align:left;white-space:nowrap}.text-left{text-align:left!important}.ml-auto{margin-left:auto!important}.mr-0{margin-right:0!important}.max-w-fit{max-width:fit-content!important}.text-white{color:#fff!important}.text-black{color:#000!important}.dark-theme .text-dark-white{color:#fff!important}.text-dark-black{color:#000!important}.progress-bar-fill{background-color:#1ab4d9;background-color:var(--accent-color)}.chat-hint-container{background-color:#f3f4f6;background-color:var(--hover-bg);border-radius:8px;font-size:14px;margin-top:10px;padding:10px}.chat-hint-content{position:relative}.chat-hint-audio-wrapper{max-width:fit-content;position:relative;white-space:nowrap}.chat-hint-audio-wrapper,.chat-hint-wrapper{display:block;margin-left:auto;margin-right:0;text-align:left}.chat-hint-wrapper{max-width:300px;white-space:normal}.chat-hint-text{color:#1a1a1a;color:var(--text-color);font-size:14px;line-height:1.4;margin-bottom:8px}.chat-play-button-hint{display:flex;position:absolute;right:-25px;top:-20px;z-index:10}.hidden{display:none!important}.stats-container-override{cursor:pointer;display:flex;justify-content:space-evenly;position:relative;width:260px}.mobile-learning-dropdown{zIndex:9999!important;left:20px!important;max-height:200px!important;overflow-y:auto!important;position:fixed!important;right:20px!important;top:48px!important;width:auto!important}.level-indicator-container{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#15203b;border-radius:6px;cursor:pointer;display:flex;gap:4px;padding:4px 14px;position:absolute;right:8px;top:8px;transition:all .2s ease;z-index:10}.level-indicator-container:hover{background:#15203b;transform:scale(1.05)}.level-indicator-text{color:#fff;font-size:10px;font-weight:600;letter-spacing:.5px;pointer-events:none;text-transform:uppercase}.chat-container-relative{position:relative}.chat-hint-wrapper-styled{background-color:#f3f4f6;background-color:var(--hover-bg);border-radius:8px;font-size:14px;margin-top:10px;padding:10px}.chat-hint-inner-relative{position:relative}.chat-play-button-hint-wrapper{position:absolute;right:-25px;top:-20px;z-index:10}.floating-text-input-relative{animation:input-ambient-glow 5s ease-in-out infinite;border-radius:18px;flex:1 1;position:relative}.floating-mic-button-relative{animation:mic-glow-breathe 3s ease-in-out infinite;flex:0 0 auto;height:56px;position:relative;width:56px}.floating-mic-button-relative.recording{animation:none;box-shadow:0 0 18px #f5656580,0 4px 12px #00000026}.chat-message-audio-wrapper{display:block;margin-left:auto;margin-right:0;max-width:fit-content;position:relative;text-align:left;white-space:nowrap}.mobile-chat-card-inner{flex:1 1;margin:0;min-height:0;overflow:hidden;position:relative}.lesson-v2-chat-footer-style{align-items:center;display:flex;flex:0 0 auto;gap:14px;margin-top:auto;overflow:visible;padding-bottom:32px}@media (max-width:768px){.mobile-chat-card .lesson-v2-chat-footer-style{gap:10px;padding:10px 16px 16px;position:relative;z-index:1001}}.floating-text-input.auto-translated{box-shadow:0 0 0 1px #1ab4d966,0 0 8px #1ab4d926}.floating-text-input.auto-translated .floating-text-input-field{color:#a0b4c88c}.floating-mic-button.speak-prompt{animation:speakPromptPulse 1.5s ease-in-out infinite;background-color:#1ab4d9;background-color:var(--accent-color);box-shadow:0 0 16px #1ab4d980,0 4px 12px #0003}@keyframes speakPromptPulse{0%,to{box-shadow:0 0 16px #1ab4d980,0 4px 12px #0003;transform:scale(1)}50%{box-shadow:0 0 24px #1ab4d9b3,0 4px 16px #0000004d;transform:scale(1.05)}}.mic-listening-dot--speak-prompt{animation:speakDotPulse 1s ease-in-out infinite;background-color:#1ab4d9}@keyframes speakDotPulse{0%,to{opacity:.5}50%{opacity:1}}.mic-status-text--speak-prompt{color:#1ab4d9d9}.translation-play-btn{color:#1ab4d9d9;transition:color .2s}.translation-play-btn:hover:not(:disabled){color:#1ab4d9}.translation-play-btn:disabled{opacity:.4}.translation-play-icon{color:#1ab4d9d9}.translation-play-icon.playing{animation:speakerPulse .8s ease-in-out infinite}@keyframes speakerPulse{0%,to{opacity:.6}50%{opacity:1}}.mic-listening-dot--recording{animation:listening-dot-pulse 2s ease-in-out infinite;background-color:#e66464cc}.mic-status-text--recording{color:#e66464bf}.lesson-v2-chat-panel,.lesson-v2-chat-panel .card-content,.lesson-v2-chat-panel .card.chat-mode,.lesson-v2-chat-panel .chat-container{overflow:visible}.container.lesson-page.lesson-v2 .chat-messages{overflow-x:hidden;overflow-y:auto}.loading-spinner{animation:spinner-rotate 1s linear infinite;border:3px solid #0000001a;border-top:3px solid var(--accent-color);height:40px;margin:0 auto;width:40px}.dark-theme .loading-spinner{border-color:#1ab4d9 #ffffff1a #ffffff1a;border-top-color:var(--accent-color)}.loading-spinner.small{height:20px;width:20px}.retry-button{background-color:#1ab4d9;background-color:var(--accent-color);border:none;border-radius:6px;color:#fff;cursor:pointer;font-weight:500;margin-top:16px;padding:8px 16px;transition:background-color .2s}.retry-button:hover{background-color:#0d94b6;background-color:var(--accent-color-dark,#0d94b6)}.error-state{align-items:center;color:#ef4444;color:var(--error-color);display:flex;flex-direction:column;justify-content:center;padding:24px;text-align:center}.error-message{font-size:16px;margin-bottom:16px}.lesson-v2-chat-stats{align-items:center;color:#718096;color:var(--secondary-text);display:flex;font-size:13px;font-weight:500;gap:12px;margin-left:16px}.chat-stat-item strong{color:#1a1a1a;color:var(--text-color);margin-left:4px}.chat-partners-header{background:#0000;border-bottom:none;color:#718096;color:var(--secondary-text);font-size:12px;font-weight:700;letter-spacing:1.2px;padding:16px 16px 10px;text-transform:uppercase}.chat-partners-toolbar{align-items:center;display:flex;padding:0 12px 12px}.chat-partners-search{align-items:center;display:flex;position:relative;width:100%}.chat-partners-search-icon{color:#718096;color:var(--secondary-text);left:12px;opacity:.5;pointer-events:none;position:absolute}.chat-partners-search-input{background:#ffffff0a;border:1px solid #ffffff14;border-radius:10px;color:#1a1a1a;color:var(--text-color);font-size:13px;outline:none;padding:9px 36px;transition:all .2s ease;width:100%}.chat-partners-search-input::placeholder{color:#718096;color:var(--secondary-text);opacity:.5}.chat-partners-search-input:focus{background:#ffffff0f;border-color:#1ab4d959;border-color:rgba(var(--accent-color-rgb),.35)}.chat-partners-add-inline{-webkit-tap-highlight-color:transparent;align-items:center;background:none;border:none;box-shadow:none!important;color:#718096;color:var(--secondary-text);cursor:pointer;display:flex;justify-content:center;margin:0;opacity:.5;outline:none!important;padding:4px;position:absolute;right:8px;transition:opacity .2s ease}.chat-partners-add-inline:hover{opacity:.85}.chat-filter-pills{-ms-overflow-style:none;align-items:center;display:flex;flex-shrink:0;gap:6px;overflow-x:auto;overflow-y:hidden;padding:0 12px 10px;scrollbar-width:none}.chat-filter-pills::-webkit-scrollbar{display:none}.chat-filter-pill{align-items:center;background:#ffffff0f;border:none;border-radius:16px;color:#718096;color:var(--secondary-text);cursor:pointer;display:inline-flex;flex-shrink:0;font-size:12px;font-weight:600;gap:5px;line-height:1.35;padding:5px 12px;transition:all .18s ease;white-space:nowrap}.chat-filter-pill:hover{background:#ffffff1a;color:#1a1a1a;color:var(--text-color)}.chat-filter-pill.active{background:#1ab4d938;background:rgba(var(--accent-color-rgb,99,102,241),.22);color:#1ab4d9;color:var(--accent-color,#818cf8)}.chat-filter-pill-flag{border-radius:50%;flex-shrink:0;height:14px;object-fit:cover;width:14px}.chat-partners-add-inline:active,.chat-partners-add-inline:focus{box-shadow:none!important;outline:none!important}.user-profile-card{background:#fff;background:var(--card-bg);flex-direction:row;margin-top:auto;padding:12px}.user-profile-card,.user-profile-info{align-items:center;display:flex;gap:10px}.user-profile-info{background:#0000;border:none;border-radius:8px;cursor:pointer;flex:1 1;min-width:0;padding:6px 8px;text-align:left;transition:background .2s}.user-profile-info:hover{background:#0000}.user-profile-details{flex:1 1;min-width:0}.user-profile-name{color:#1a1a1a;color:var(--text-color);font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-profile-email{opacity:.7;overflow:hidden;text-overflow:ellipsis}.upgrade-vip-button,.user-profile-email{color:#718096;color:var(--secondary-text);font-size:11px;white-space:nowrap}.upgrade-vip-button{align-items:center;background:#0000;border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:6px;cursor:pointer;display:flex;flex-shrink:0;font-weight:500;justify-content:center;padding:6px 12px;transition:background .2s,color .2s,border-color .2s}.upgrade-vip-button:hover{background:#ffffff0d;border-color:#1a1a1a;border-color:var(--text-color);color:#1a1a1a;color:var(--text-color)}.upv-root{flex-direction:column;height:100%;overflow:hidden}.upv-header,.upv-root{background:#fff;background:var(--card-bg);display:flex}.upv-header{align-items:center;box-sizing:border-box;flex:0 0 auto;justify-content:space-between;min-height:63px;padding:0 16px}.upv-header-title{color:#1a1a1a;color:var(--text-color);font-size:15px;font-weight:700}.upv-header-close{align-items:center;background:#0000;border:none;border-radius:50%;color:#718096;color:var(--secondary-text);cursor:pointer;display:flex;justify-content:center;margin:-8px;padding:8px;transition:background .2s,color .2s}.upv-header-close:hover{background:#ffffff1a;color:#1a1a1a;color:var(--text-color)}.upv-banner{background:linear-gradient(135deg,#3b82f659,#8b5cf64d 50%,#ec489940);flex-shrink:0;height:180px;overflow:hidden;position:relative;width:100%}.upv-banner-img{display:block;height:100%;object-fit:cover;width:100%}.upv-banner-placeholder{align-items:center;background:linear-gradient(135deg,#3b82f640,#8b5cf638 50%,#ec48992e);display:flex;height:100%;justify-content:center;width:100%}.upv-banner-initials{color:#fff6;font-size:52px;font-weight:700;letter-spacing:4px;text-transform:uppercase;-webkit-user-select:none;user-select:none}.upv-banner-overlay{background:linear-gradient(0deg,#fff 0,#0000 55%);background:linear-gradient(to top,var(--card-bg) 0,#0000 55%);inset:0;pointer-events:none;position:absolute}.upv-banner-actions{bottom:12px;display:flex;gap:6px;position:absolute;right:12px;z-index:3}.upv-photo-btn{align-items:center;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:#00000080;border:none;border-radius:8px;color:#fff;cursor:pointer;display:inline-flex;font-family:inherit;font-size:12px;font-weight:600;gap:5px;padding:6px 12px;transition:background .2s;white-space:nowrap}.upv-photo-btn:hover{background:#000000b3}.upv-photo-btn--danger{color:#fca5a5}.upv-photo-btn--danger:hover{background:#ef444480;color:#fff}.upv-photo-btn:disabled{cursor:not-allowed;opacity:.5}.upv-content{display:flex;flex:1 1;flex-direction:column;gap:0;overflow-y:auto;padding:16px 18px 20px}.upv-toast{border-radius:10px;font-size:13px;font-weight:500;margin-bottom:16px;padding:10px 14px;text-align:center}.upv-toast.success{background:#10b9811a;color:#34d399}.upv-toast.error{background:#ef44441a;color:#f87171}.upv-identity{margin-bottom:20px}.upv-username{color:#1a1a1a;color:var(--text-color);font-size:18px;font-weight:700;letter-spacing:-.2px;line-height:1.3;margin:0 0 1px}.upv-email{color:#718096;color:var(--secondary-text);font-size:12px;font-weight:400;margin:0;opacity:.6}.upv-section{margin-bottom:20px}.upv-section-title{color:#718096;color:var(--secondary-text);font-size:11px;font-weight:700;letter-spacing:1.2px;margin-bottom:10px;opacity:.55;text-transform:uppercase}.upv-section-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:10px}.upv-lang-grid{grid-gap:8px;display:grid;gap:8px;grid-template-columns:1fr 1fr}.upv-lang-card{background:#ffffff08;border-radius:10px;padding:10px 12px}.upv-lang-label{color:#718096;color:var(--secondary-text);display:block;font-size:10px;font-weight:600;letter-spacing:.8px;margin-bottom:6px;opacity:.55;text-transform:uppercase}.upv-lang-value{align-items:center;color:#1a1a1a;color:var(--text-color);display:flex;font-size:13px;font-weight:600;gap:7px}.upv-lang-flag{border-radius:2px;flex-shrink:0;height:14px;object-fit:cover;width:20px}.upv-stats-grid{grid-gap:8px;display:grid;gap:8px;grid-template-columns:1fr 1fr 1fr}.upv-stat-card{background:#ffffff08;border-radius:10px;padding:10px 4px;text-align:center}.upv-stat-number{font-feature-settings:"tnum";color:#1a1a1a;color:var(--text-color);font-size:18px;font-variant-numeric:tabular-nums;font-weight:700;line-height:1;margin-bottom:3px}.upv-stat-text{color:#718096;color:var(--secondary-text);font-size:10px;font-weight:600;letter-spacing:.6px;opacity:.55;text-transform:uppercase}.upv-stat-streak .upv-stat-number{color:#f59e0b}.upv-edit-btn{align-items:center;background:#0000;border:1px solid #3b82f64d;border-radius:8px;color:#3b82f6;color:var(--primary-color,#3b82f6);cursor:pointer;display:inline-flex;font-family:inherit;font-size:12px;font-weight:600;gap:5px;padding:5px 12px;transition:all .2s}.upv-edit-btn:hover{background:#3b82f61a;border-color:#3b82f680}.upv-edit-actions{display:flex;gap:6px}.upv-save-btn{background:#3b82f6;background:var(--primary-color,#3b82f6);border:none;border-radius:8px;color:#fff;cursor:pointer;font-family:inherit;font-size:12px;font-weight:600;padding:5px 14px;transition:opacity .2s}.upv-save-btn:hover{opacity:.85}.upv-save-btn:disabled{cursor:not-allowed;opacity:.5}.upv-cancel-btn{background:#0000;border:1px solid #ffffff1a;border-radius:8px;color:#718096;color:var(--secondary-text);cursor:pointer;font-family:inherit;font-size:12px;font-weight:600;padding:5px 14px;transition:all .2s}.upv-cancel-btn:hover{background:#ffffff0d}.upv-field{margin-bottom:14px}.upv-field-label{color:#718096;color:var(--secondary-text);display:block;font-size:10px;font-weight:600;letter-spacing:.8px;margin-bottom:5px;opacity:.55;text-transform:uppercase}.upv-field-value{align-items:center;background:#ffffff08;border-radius:10px;color:#1a1a1a;color:var(--text-color);display:flex;font-size:13px;font-weight:500;gap:8px;min-height:38px;padding:9px 12px}.upv-country-display-flag{border-radius:50%;flex-shrink:0;height:20px;object-fit:cover;width:20px}.upv-country-selector{position:relative}.upv-country-input-wrap{align-items:center;display:flex;position:relative}.upv-country-input-flag{border-radius:50%;height:20px;left:12px;object-fit:cover;pointer-events:none;position:absolute;width:20px;z-index:1}.upv-country-input{background:#ffffff0d;border:1px solid #0000;border-radius:10px;box-sizing:border-box;color:#1a1a1a;color:var(--text-color);font-family:inherit;font-size:13px;font-weight:500;padding:9px 32px 9px 14px;transition:all .2s;width:100%}.upv-country-input-wrap .upv-country-input-flag+.upv-country-input{padding-left:40px}.upv-country-input:focus{background:#ffffff14;border-color:#3b82f6;border-color:var(--primary-color,#3b82f6);box-shadow:0 0 0 3px #3b82f626;outline:none}.upv-country-chevron{color:#718096;color:var(--secondary-text);opacity:.5;pointer-events:none;position:absolute;right:10px}.upv-country-dropdown{background:#fff;background:var(--card-bg,#1e293b);border-radius:10px;box-shadow:0 6px 20px #00000059;left:0;max-height:220px;overflow-y:auto;padding:4px;position:absolute;right:0;top:calc(100% + 4px);z-index:50}.upv-country-dropdown::-webkit-scrollbar{width:6px}.upv-country-dropdown::-webkit-scrollbar-track{background:#0000}.upv-country-dropdown::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}.upv-country-option{align-items:center;background:#0000;border:none;border-radius:8px;color:#1a1a1a;color:var(--text-color);cursor:pointer;display:flex;font-family:inherit;font-size:13px;font-weight:500;gap:10px;padding:8px 12px;text-align:left;transition:background .12s;width:100%}.upv-country-option.highlighted,.upv-country-option:hover{background:#ffffff14}.upv-country-option.selected{background:#3b82f626;color:#60a5fa}.upv-country-flag{border-radius:50%;flex-shrink:0;height:22px;object-fit:cover;width:22px}.upv-country-empty{color:#718096;color:var(--secondary-text);font-size:13px;opacity:.6;padding:16px;text-align:center}.upv-bio-wrap{position:relative}.upv-bio-input{background:#ffffff0d;border:1px solid #0000;border-radius:10px;box-sizing:border-box;color:#1a1a1a;color:var(--text-color);font-family:inherit;font-size:13px;font-weight:500;min-height:72px;padding:9px 12px;resize:vertical;transition:all .2s;width:100%}.upv-bio-input:focus{background:#ffffff14;border-color:#3b82f6;border-color:var(--primary-color,#3b82f6);box-shadow:0 0 0 3px #3b82f626;outline:none}.upv-bio-count{color:#718096;color:var(--secondary-text);display:block;font-size:11px;margin-top:4px;opacity:.5;text-align:right}.upv-settings-section{margin-bottom:20px}.upv-setting-row{align-items:center;background:#ffffff08;border-radius:10px;display:flex;justify-content:space-between;margin-bottom:6px;padding:10px 12px;transition:background .15s}.upv-setting-row:last-child{margin-bottom:0}.upv-setting-row:hover{background:#ffffff0d}.upv-setting-info{display:flex;flex:1 1;flex-direction:column;gap:2px;min-width:0}.upv-setting-label{color:#1a1a1a;color:var(--text-color);font-size:13px;font-weight:600}.upv-setting-desc{color:#718096;color:var(--secondary-text);font-size:11px;line-height:1.3;opacity:.6}.upv-toggle{flex-shrink:0;height:20px;margin-left:12px;position:relative;width:38px}.upv-toggle input{height:0;opacity:0;position:absolute;width:0}.upv-toggle-track{background:#ffffff1f;border-radius:12px;cursor:pointer;inset:0;position:absolute;transition:background .25s}.upv-toggle input:checked+.upv-toggle-track{background:#3b82f6;background:var(--primary-color,#3b82f6)}.upv-toggle-thumb{background:#fff;border-radius:50%;box-shadow:0 1px 3px #00000040;height:16px;left:2px;pointer-events:none;position:absolute;top:2px;transition:transform .25s;width:16px}.upv-toggle input:checked~.upv-toggle-thumb{transform:translateX(18px)}.upv-logout-btn{align-items:center;background:#0000;border:none;border-radius:10px;color:#718096;color:var(--secondary-text);cursor:pointer;display:flex;font-family:inherit;font-size:13px;font-weight:600;gap:8px;justify-content:center;margin-top:auto;opacity:.7;padding:10px;transition:all .2s;width:100%}.upv-logout-btn:hover{background:#ef44441a;color:#f87171;opacity:1}.upv-logout-btn svg{height:17px;width:17px}.btn-cancel,.btn-danger,.btn-edit,.btn-save,.btn-secondary{border:none;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600;padding:8px 16px;transition:all .2s}.btn-secondary{background:var(--primary-color);color:#fff}.btn-secondary:hover{opacity:.9;transform:translateY(-1px)}.btn-danger{background:#ef4444;color:#fff}.btn-danger:hover{background:#dc2626}.btn-edit{background:#0000;border:1px solid var(--primary-color);color:var(--primary-color)}.btn-edit:hover{background:rgba(var(--primary-color-rgb),.1)}.btn-save{background:var(--primary-color);color:#fff}.btn-save:hover{opacity:.9}.btn-cancel{background:#0000;border:1px solid #e5e7eb;border:1px solid var(--border-color);color:#718096;color:var(--secondary-text)}.btn-cancel:hover{background:#ffffff0d}.btn-danger:disabled,.btn-save:disabled,.btn-secondary:disabled{cursor:not-allowed;opacity:.5}.lesson-v2-grid.left-collapsed{grid-template-columns:68px 1fr 320px}@media (min-width:1600px){.lesson-v2-grid.left-collapsed{grid-template-columns:68px 1fr 360px}}@media (max-width:1200px){.lesson-v2-grid.left-collapsed{grid-template-columns:68px 1fr 320px}}.lesson-v2-left--collapsed{overflow:hidden}.v2-collapsed-sidebar{align-items:center;animation:v2-sidebar-fade-in .22s ease-out;background:#fff;background:var(--card-bg);border-right:1px solid #e5e7eb;border-right:1px solid var(--border-color);cursor:pointer;display:flex;flex-direction:column;height:100%;overflow-x:hidden;overflow-y:auto;padding:0}@keyframes v2-sidebar-fade-in{0%{opacity:0}to{opacity:1}}.lesson-v2-left>.lesson-v2-panel:first-child{animation:v2-sidebar-fade-in .22s ease-out}.v2-collapsed-sidebar::-webkit-scrollbar{display:none}.v2-collapsed-sidebar{-ms-overflow-style:none;scrollbar-width:none}.v2-collapsed-header{flex-shrink:0;min-height:63px;padding:4px 0 0;width:100%}.v2-collapsed-header,.v2-collapsed-logo{align-items:center;display:flex;justify-content:center}.v2-collapsed-logo{transition:opacity .2s ease}.v2-collapsed-logo svg{height:28px;width:28px}.v2-collapsed-sidebar:hover .v2-collapsed-logo{opacity:.8}.v2-collapsed-nav{align-items:center;display:flex;flex-direction:column;flex-shrink:0;gap:2px;padding:75px 0 0;width:100%}.v2-collapsed-icon{align-items:center;border-radius:10px;color:#ffffff8c;cursor:pointer;display:flex;height:40px;justify-content:center;position:relative;transition:color .2s ease,background .2s ease;width:40px}.v2-collapsed-icon:hover{background:#ffffff0d;color:#ffffffd9}.v2-collapsed-icon.active{background:#ffffff14;color:#fff}.v2-collapsed-icon.active:before{background:#fffc;border-radius:0 2px 2px 0;content:"";height:18px;left:0;position:absolute;top:50%;transform:translateY(-50%);width:2px}.v2-collapsed-divider{background:#ffffff14;flex-shrink:0;height:1px;margin:16px 0 8px;width:24px}.v2-collapsed-partners{align-items:center;display:flex;flex:1 1;flex-direction:column;gap:8px;min-height:0;overflow-y:auto;padding:10px 0;width:100%}.v2-collapsed-partners::-webkit-scrollbar{display:none}.v2-collapsed-partners{-ms-overflow-style:none;scrollbar-width:none}.v2-collapsed-partner{align-items:center;border-radius:50%;display:flex;flex-shrink:0;justify-content:center;padding:3px;transition:all .15s ease}.v2-collapsed-partner:hover{background:#ffffff14}.v2-collapsed-partner.active{background:#6366f126;border-radius:50%;box-shadow:0 0 0 2px var(--primary-color)}.v2-collapsed-footer{display:flex;flex-shrink:0;justify-content:center;margin-top:auto;padding:12px 0 16px;width:100%}.container.lesson-page.lesson-v2:not(.dark-theme) .v2-collapsed-logo{color:#1a1a1a;color:var(--text-color)}.container.lesson-page.lesson-v2:not(.dark-theme) .v2-collapsed-icon:hover{background:#0000000a}.container.lesson-page.lesson-v2:not(.dark-theme) .v2-collapsed-icon.active{background:#6366f114}.lesson-v2-left--collapsed{border-right:none}.lesson-v2-grid.right-collapsed{grid-template-columns:320px 1fr 0}.lesson-v2-grid.left-collapsed.right-collapsed{grid-template-columns:68px 1fr 0}@media (min-width:1600px){.lesson-v2-grid.right-collapsed{grid-template-columns:360px 1fr 0}.lesson-v2-grid.left-collapsed.right-collapsed{grid-template-columns:68px 1fr 0}}@media (max-width:1200px){.lesson-v2-grid.right-collapsed{grid-template-columns:320px 1fr 0}.lesson-v2-grid.left-collapsed.right-collapsed{grid-template-columns:68px 1fr 0}}.lesson-v2-grid.right-collapsed>.lesson-v2-right{border:none;min-width:0;opacity:0;overflow:hidden;pointer-events:none}.v2-avatar-bubble{align-items:center;animation:v2-bubble-entrance .4s cubic-bezier(.34,1.56,.64,1);background:radial-gradient(ellipse at 50% 35%,#649bd2f2 0,#285082fa 100%);border-radius:50%;bottom:28px;box-shadow:0 4px 20px #0000004d,0 0 0 3px #6366f126;cursor:grab;display:flex;height:62px;justify-content:center;position:fixed;right:28px;touch-action:none;transition:transform .2s ease,box-shadow .2s ease;user-select:none;-webkit-user-select:none;width:62px;z-index:100}.v2-avatar-bubble:hover{box-shadow:0 6px 28px #00000059,0 0 0 3px #6366f14d;transform:scale(1.08)}.v2-avatar-bubble:active{cursor:grabbing;transform:scale(1.02)}.v2-avatar-bubble-face{border-radius:50%;height:100%;overflow:hidden;position:relative;width:100%;z-index:1}.v2-avatar-bubble-3d.avatar-3d-container{background:#0000!important;border-radius:50%;height:100%!important;overflow:hidden;width:100%!important}.v2-avatar-bubble-3d.avatar-3d-container canvas{border-radius:50%}.v2-avatar-bubble-img{border-radius:50%;height:100%;object-fit:cover;position:relative;width:100%;z-index:1}.v2-avatar-bubble-ring{animation:v2-bubble-pulse 3s ease-in-out infinite;border:2px solid #6366f159;border-radius:50%;inset:-5px;pointer-events:none;position:absolute}.v2-avatar-bubble-indicator{animation:v2-indicator-breathe 2s ease-in-out infinite;background:#10b981;border:2.5px solid #fff;border:2.5px solid var(--bg-color,#0f172a);border-radius:50%;height:14px;position:absolute;right:1px;top:1px;width:14px;z-index:3}@keyframes v2-bubble-entrance{0%{opacity:0;transform:scale(.3) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes v2-bubble-pulse{0%,to{opacity:.35;transform:scale(1)}50%{opacity:.7;transform:scale(1.1)}}@keyframes v2-indicator-breathe{0%,to{opacity:1}50%{opacity:.6}}.welcome-onboarding-screen{align-items:center;background:#fff;background:var(--bg-color);display:flex;flex:1 1;flex-direction:column;height:100%;min-height:0}@keyframes welcomeFadeIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.welcome-spacer-bottom,.welcome-spacer-top{flex:1 1;min-height:0;transition:flex .5s cubic-bezier(.4,0,.2,1)}.welcome-onboarding-screen.exiting .welcome-spacer-bottom{flex:0 0}.welcome-onboarding-center{align-items:center;animation:welcomeFadeIn .6s ease-out both;display:flex;flex:0 0 auto;flex-direction:column;gap:6px;max-height:600px;overflow:hidden;padding:0 32px 32px;text-align:center;transition:opacity .3s ease,max-height .45s cubic-bezier(.4,0,.2,1),padding .45s ease}.welcome-onboarding-center:has(.onboarding-inline){max-height:none;overflow:visible}.welcome-onboarding-screen.exiting .welcome-onboarding-center{max-height:0;opacity:0;padding-bottom:0}.welcome-onboarding-greeting{align-items:center;animation:welcomeFadeIn .7s ease-out .2s both;display:flex;gap:10px;margin-bottom:2px}.welcome-onboarding-icon{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#667eea,#764ba2,#f093fb,#f5576c);-webkit-background-clip:text;background-clip:text;font-size:24px}.welcome-onboarding-hi{color:#718096;color:var(--secondary-text);font-size:20px;font-weight:500;letter-spacing:.2px}.welcome-onboarding-headline{color:#1a1a1a;color:var(--text-color);font-size:clamp(31px,4.2vw,43px);font-weight:700;letter-spacing:-.5px;line-height:1.15;margin:0}.welcome-onboarding-subheadline{animation:welcomeFadeIn .7s ease-out .3s both;animation:welcomeFadeIn .7s ease-out .35s both;color:#718096;color:var(--secondary-text);font-size:clamp(16px,2vw,20px);font-weight:400;letter-spacing:.1px;line-height:1.4;margin:6px 0 0}.welcome-onboarding-options{grid-gap:14px;display:grid;gap:14px;grid-template-columns:repeat(4,1fr);margin-top:28px;max-width:620px;width:100%}.welcome-onboarding-option{align-items:center;animation:welcomeCardIn .5s ease-out both;background:linear-gradient(160deg,#ffffff0f,hsla(0,0%,100%,.015));border:1px solid #ffffff12;border-radius:20px;color:#1a1a1a;color:var(--text-color);cursor:pointer;display:flex;flex-direction:column;gap:10px;justify-content:center;padding:26px 14px 22px;transition:all .28s cubic-bezier(.25,.46,.45,.94)}.welcome-onboarding-option:first-child{animation-delay:.45s}.welcome-onboarding-option:nth-child(2){animation-delay:.55s}.welcome-onboarding-option:nth-child(3){animation-delay:.65s}.welcome-onboarding-option:nth-child(4){animation-delay:.75s}@keyframes welcomeCardIn{0%{opacity:0;transform:translateY(18px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.welcome-onboarding-option:hover{background:linear-gradient(160deg,#1ab4d91f,#1ab4d908);border-color:#1ab4d94d;box-shadow:0 14px 36px #0003,0 0 0 1px #1ab4d91f;transform:translateY(-4px) scale(1.02)}.welcome-onboarding-option:active{box-shadow:0 4px 12px #00000026;transform:translateY(-1px) scale(1)}.welcome-option-emoji{font-size:34px;line-height:1}.welcome-option-label{color:#1a1a1a;color:var(--text-color);font-size:14px;font-weight:600;line-height:1.2}.welcome-option-desc{color:#718096;color:var(--secondary-text);font-size:11.5px;font-weight:400;line-height:1.3;opacity:.65}@media (max-width:680px){.welcome-onboarding-options{grid-template-columns:repeat(2,1fr);max-width:340px}}@media (max-width:400px){.welcome-onboarding-options{grid-template-columns:1fr;max-width:200px}.welcome-onboarding-headline{font-size:26px}.welcome-onboarding-subheadline{font-size:15px}}.welcome-input-footer{animation:welcomeFadeIn .7s ease-out .65s both;flex:0 0 auto;margin-top:8px}.lesson-v2-grid .lesson-v2-right{transition:opacity .5s ease,transform .5s ease}.lesson-v2-grid.right-collapsed>.lesson-v2-right{transform:translateX(40px)}.lesson-v2-grid:not(.right-collapsed)>.lesson-v2-right{transform:translateX(0)}.add-course-screen{align-items:center;animation:addCourseFadeIn .4s ease-out both;background:#fff;background:var(--bg-color);display:flex;flex:1 1;flex-direction:column;height:100%;justify-content:center;min-height:0}@keyframes addCourseFadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.add-course-center{align-items:center;display:flex;flex:0 0 auto;flex-direction:column;gap:6px;max-width:340px;padding:0 32px 32px;text-align:center;width:100%}.add-course-greeting{align-items:center;animation:addCourseFadeIn .5s ease-out .08s both;display:flex;gap:10px;margin-bottom:2px}.add-course-icon{font-size:24px}.add-course-subtitle{color:#718096;color:var(--secondary-text);font-size:14px;font-weight:500;letter-spacing:.3px;text-transform:uppercase}.add-course-headline{animation:addCourseFadeIn .5s ease-out .15s both;color:#1a1a1a;color:var(--text-color);font-size:clamp(24px,3.5vw,32px);font-weight:700;letter-spacing:-.3px;line-height:1.15;margin:0;white-space:nowrap}.add-course-description{animation:addCourseFadeIn .5s ease-out .2s both;color:#718096;color:var(--secondary-text);font-size:14px;line-height:1.5;margin:2px 0 24px;white-space:nowrap}.add-course-selectors{align-items:stretch;animation:addCourseFadeIn .5s ease-out .25s both;display:flex;flex-direction:column;gap:0;position:relative;text-align:left;width:100%;z-index:50}.add-course-field{margin-bottom:18px;position:relative}.add-course-field:last-child{margin-bottom:0}.add-course-field:first-child{z-index:2}.add-course-field:last-child{z-index:1}.add-course-label{color:#718096;color:var(--secondary-text);display:block;font-size:12px;font-weight:600;letter-spacing:1px;margin-bottom:8px;text-transform:uppercase}.add-course-selector-wrap{position:relative}.add-course-selector-wrap .language-selector{min-width:0;width:100%}.add-course-selector-wrap .selected-language{background:#fff;background:var(--card-bg);border:1px solid #e5e7eb;border:1px solid var(--border-color);border-radius:10px;color:#1a1a1a;color:var(--text-color);justify-content:flex-start;padding:11px 14px;transition:border-color .15s ease}.add-course-selector-wrap .selected-language:hover{border-color:#1ab4d9;border-color:var(--accent-color)}.add-course-selector-wrap .language-select-text{text-align:left}.add-course-selector-wrap .language-dropdown{z-index:9999}.add-course-selector-wrap .language-option{gap:10px;justify-content:flex-start}.add-course-selector-wrap .language-option .language-name{margin-right:0;text-align:left}.add-course-selector-wrap .language-option .language-flag{margin-left:auto}.add-course-error{animation:addCourseFadeIn .25s ease-out both;color:#f87171;font-size:13px;font-weight:500;margin-top:4px;text-align:center}.add-course-actions{animation:addCourseFadeIn .5s ease-out .32s both;flex-direction:column;gap:10px;margin-top:28px}.add-course-actions,.add-course-btn-start{align-items:center;display:flex;width:100%}.add-course-btn-start{background:#1ab4d9;background:var(--accent-color);border:none;border-radius:10px;color:#fff;cursor:pointer;font-size:15px;font-weight:600;gap:8px;justify-content:center;padding:13px 24px;transition:opacity .15s ease,transform .15s ease}.add-course-btn-start:hover:not(:disabled){opacity:.88}.add-course-btn-start:active:not(:disabled){transform:scale(.98)}.add-course-btn-start:disabled{cursor:not-allowed;opacity:.35}.add-course-btn-cancel{background:none;border:none;border-radius:6px;color:#718096;color:var(--secondary-text);cursor:pointer;font-size:13px;font-weight:500;padding:6px 16px;transition:color .15s ease}.add-course-btn-cancel:hover{color:#1a1a1a;color:var(--text-color)}@media (max-width:768px){.add-course-center{padding:0 20px 24px}.add-course-headline{font-size:22px}.add-course-description{white-space:normal}}.right-panel-lower{background:#fff;background:var(--card-bg);display:flex;flex:1 1;flex-direction:column;min-height:0;overflow:hidden}.right-panel-stats-row{align-items:center;cursor:pointer;display:flex;flex:0 0 auto;gap:8px;justify-content:center;padding:20px 16px 14px;transition:opacity .15s ease;-webkit-user-select:none;user-select:none}.right-panel-stats-row:hover{opacity:.88}.right-panel-stat-chip{align-items:center;background:#ffffff0a;border:1px solid #ffffff0f;border-radius:10px;display:flex;gap:5px;justify-content:center;padding:5px 0;transition:background .2s ease,border-color .2s ease;width:100px}.right-panel-stats-row:hover .right-panel-stat-chip{background:#ffffff0f;border-color:#ffffff17}.right-panel-stat-num{color:#1a1a1a;color:var(--text-color);font-size:14px;font-weight:700}.right-panel-stat-label{color:#718096;color:var(--secondary-text);font-size:11.5px;text-transform:lowercase}.right-panel-stats-chevron{color:#718096;color:var(--secondary-text);flex-shrink:0;margin-left:2px;opacity:.35;transition:transform .25s ease,opacity .2s ease}.right-panel-stats-chevron--up{transform:rotate(180deg)}.right-panel-stats-row:hover .right-panel-stats-chevron{opacity:.65}.right-panel-subtitles{padding:10px 0 0}.right-panel-subtitles,.right-panel-subtitles .avatar-subtitles{display:flex;flex:1 1;flex-direction:column;min-height:0;overflow:hidden;position:relative}.right-panel-subtitles .avatar-subtitles{bottom:auto;left:auto;padding:8px 24px 0;pointer-events:auto;right:auto}.right-panel-subtitles .avatar-subtitles__scroll{align-items:flex-start;flex:1 1;gap:6px;mask-image:none;-webkit-mask-image:none;max-height:none;min-height:0;overflow-y:auto;padding-bottom:48px;text-align:left}.right-panel-subtitles .avatar-sub{font-size:13px;line-height:1.55;max-width:90%}.right-panel-subtitles-dismiss{align-items:center;background:#ffffff0f;border:none;border-radius:50%;color:#718096;color:var(--secondary-text);cursor:pointer;display:flex;font-size:14px;height:22px;justify-content:center;line-height:1;opacity:0;padding:0;pointer-events:auto;position:absolute;right:10px;top:6px;transition:opacity .2s ease,background .2s ease;width:22px;z-index:10}.right-panel-subtitles:hover .right-panel-subtitles-dismiss{opacity:.55}.right-panel-subtitles-dismiss:hover{background:#ffffff1f;opacity:1!important}.right-panel-subtitles .avatar-sub--tutor{color:#718096;color:var(--secondary-text);text-shadow:none}.right-panel-subtitles .avatar-sub--user{color:#1ab4d9;color:var(--accent-color,#1ab4d9);font-size:12.5px;opacity:.7}.right-panel-empty-state{align-items:center;animation:rpEmptyFadeIn .5s ease-out;display:flex;flex:1 1 auto;flex-direction:column;justify-content:center;padding:0 20px 56px;text-align:center}@keyframes rpEmptyFadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.rp-empty-bubble{align-items:center;background:hsla(0,0%,100%,.045);border-radius:16px;display:flex;gap:5px;height:32px;justify-content:center;margin-bottom:16px;width:56px}.rp-empty-dot{animation:rpDotPulse 1.6s ease-in-out infinite;background:#718096;background:var(--secondary-text);border-radius:50%;height:5px;opacity:.25;width:5px}.rp-empty-dot:nth-child(2){animation-delay:.2s}.rp-empty-dot:nth-child(3){animation-delay:.4s}@keyframes rpDotPulse{0%,60%,to{opacity:.2;transform:translateY(0)}30%{opacity:.55;transform:translateY(-3px)}}.rp-empty-text{font-size:12.5px;margin:0 0 6px;opacity:.6}.rp-empty-hint,.rp-empty-text{color:#718096;color:var(--secondary-text);line-height:1.4}.rp-empty-hint{font-size:11.5px;font-style:italic;margin:0 0 16px;opacity:.4}.rp-empty-cta{background:#1ab4d90f;border:1px solid #1ab4d91f;border-radius:20px;color:#1ab4d999;cursor:pointer;font-size:12.5px;font-weight:500;padding:7px 18px;transition:all .2s ease}.rp-empty-cta:hover{background:#1ab4d91a;border-color:#1ab4d938;color:#1ab4d9d9}.rp-empty-cta:active{background:#1ab4d90f}.vocab-heatmap-full{animation:vocabFadeIn .2s ease-out;background:#fff;background:var(--card-bg);display:flex;flex:1 1 auto;flex-direction:column;min-height:0}@keyframes vocabFadeIn{0%{opacity:0}to{opacity:1}}.vocab-heatmap-scroll-wrap{display:flex;flex:1 1 auto;flex-direction:column;min-height:0;position:relative}.vocab-cloud-fade{background:linear-gradient(180deg,#fff 10%,#0000);background:linear-gradient(to bottom,var(--card-bg) 10%,#0000 100%);height:44px;left:0;pointer-events:none;position:absolute;right:0;top:0;z-index:3}.vocab-heatmap-scroll{flex:1 1 auto;overflow-x:hidden;overflow-y:auto;padding:12px 0 4px;scrollbar-color:#ffffff1a #0000;scrollbar-width:thin}.vocab-heatmap-scroll::-webkit-scrollbar{width:3px}.vocab-heatmap-scroll::-webkit-scrollbar-track{background:#0000}.vocab-heatmap-scroll::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:2px}.vocab-groove{align-items:center;display:flex;justify-content:center;margin:0 auto;padding:0 6px;width:90%}.vocab-groove-shelf{background:#ffffff1a;flex:1 1;height:1px}.vocab-level-section{align-items:stretch;display:flex;justify-content:center;margin-left:34px;padding:0 6px}.vocab-level-future{opacity:.35}.vocab-level-block{flex-direction:column;padding:2px 0}.vocab-level-block,.vocab-level-tag{align-items:center;display:flex;flex:0 0 auto}.vocab-level-tag{flex-direction:column;gap:2px;justify-content:center;min-width:26px;padding:0 0 0 8px}.vocab-level-tag-num{font-size:14px;font-weight:700;opacity:.5}.vocab-level-tag-count,.vocab-level-tag-num{color:#718096;color:var(--secondary-text);line-height:1}.vocab-level-tag-count{font-size:8px;opacity:.3}.vocab-row{display:flex;gap:2px;justify-content:center;margin-bottom:2px}.vocab-cell{border-radius:1.5px;cursor:pointer;flex-shrink:0;height:9px;position:relative;transition:transform .1s ease,box-shadow .1s ease;width:9px}.vocab-cell:hover{transform:scale(2.2);z-index:4}.vocab-state-idle{background:#ffffff0d}.vocab-state-learning{background:#4ade808c}.vocab-state-cracking,.vocab-state-reviewed{background:#c8d2e199}.vocab-future{background:#648cb40d;border:1px solid #64a0dc17;height:7px;width:7px}.vocab-future:hover{background:#64a0dc24}.vocab-current{animation:vocabPulse 1.6s ease-in-out infinite;background:#38bdf8e0!important;border:none!important;box-shadow:0 0 5px #38bdf880,0 0 10px #38bdf826!important;height:9px!important;width:9px!important}.vocab-current:after{display:none!important}@keyframes vocabPulse{0%,to{opacity:1}50%{opacity:.5}}.vocab-heatmap-footer{color:#718096;color:var(--secondary-text);flex:0 0 auto;font-size:9.5px;letter-spacing:.4px;opacity:.5;padding:8px 16px 14px;text-align:center}.vocab-heatmap-loading{align-items:center;display:flex;flex:1 1;justify-content:center;padding:40px 0}.vocab-tooltip{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0c1420f2;border:1px solid #ffffff1f;border-radius:8px;box-shadow:0 6px 20px #00000080;color:#e2e8f0;display:flex;flex-direction:column;gap:2px;padding:7px 11px;white-space:nowrap;z-index:99999}.vocab-tooltip-word{color:#fff;font-size:14px;font-weight:600}.vocab-tooltip-meta{align-items:center;color:#ffffff80;display:flex;font-size:10.5px;gap:5px}.vocab-tooltip-sep{opacity:.3}.vocab-tooltip-state{font-weight:600}.vocab-tooltip-state-0{color:#ffffff59}.vocab-tooltip-state-1{color:#facc15e6}.vocab-tooltip-state-2{color:#bec8dce6}.vocab-tooltip-state-3{color:#facc15e6}.v2-stat.v2-stat-active{color:#1a1a1a;color:var(--text-color)}.v2-stat.v2-stat-active strong{font-weight:600}.autocomplete-input-wrapper{align-items:center;display:flex;flex:1 1;height:100%;overflow:hidden;position:relative}.autocomplete-ghost-text{-webkit-font-smoothing:inherit;-moz-osx-font-smoothing:inherit;align-items:center;bottom:0;display:flex;font-family:inherit;font-size:14px;left:0;letter-spacing:inherit;line-height:normal;overflow:hidden;padding:0;pointer-events:none;position:absolute;right:0;text-rendering:inherit;top:0;white-space:pre;word-spacing:inherit;z-index:1}.autocomplete-ghost-typed{visibility:hidden}.autocomplete-ghost-suggestion{color:#718096;color:var(--secondary-text);cursor:pointer;font-style:normal;opacity:.45;pointer-events:auto}.autocomplete-ghost-suggestion:after{content:"  ⇥";font-size:.75em;font-style:normal;opacity:.5}@media (pointer:coarse){.autocomplete-ghost-suggestion:after{content:"  (tap)"}}.autocomplete-input-wrapper.rtl .autocomplete-ghost-text{direction:rtl}.pronunciation-feedback-container{margin-bottom:4px;width:100%}.pronunciation-indicator{align-items:center;background:#0000;border:1.5px solid;border-radius:12px;cursor:pointer;display:inline-flex;font-size:.78rem;font-weight:600;gap:5px;line-height:1.3;padding:3px 10px;transition:opacity .15s,transform .15s}.pronunciation-indicator:hover{opacity:.85;transform:scale(1.03)}.pronunciation-indicator-icon{font-size:.85rem}.pronunciation-indicator-score{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.pronunciation-indicator-chevron{font-size:.6rem;opacity:.7}.pronunciation-dropdown{background:#ffffff14;border:1px solid #ffffff1a;border-radius:10px;display:flex;flex-direction:column;gap:10px;margin-top:8px;padding:10px 12px}.pronunciation-overall-feedback{border-bottom:1px solid #ffffff1a;color:#ffffffe6;font-size:.82rem;line-height:1.45;padding-bottom:6px}.pronunciation-score-bars{display:flex;flex-direction:column;gap:6px}.pronunciation-score-bar-row{align-items:center;display:flex;gap:8px}.pronunciation-score-bar-label{color:#ffffffa6;font-size:.72rem;min-width:88px;text-align:right}.pronunciation-score-bar{background:#ffffff1f;border-radius:3px;flex:1 1;height:6px;overflow:hidden}.pronunciation-score-bar-fill{border-radius:3px;height:100%;transition:width .4s ease}.pronunciation-score-bar-value{font-feature-settings:"tnum";font-size:.72rem;font-variant-numeric:tabular-nums;font-weight:700;min-width:26px;text-align:right}.pronunciation-words{display:flex;flex-wrap:wrap;gap:4px 6px;padding-top:4px}.pronunciation-word-wrapper{align-items:center;display:inline-flex;flex-direction:column;position:relative}.pronunciation-word{border:1.5px solid #0000;border-radius:4px;display:inline-block;font-size:.82rem;font-weight:500;padding:2px 6px;transition:border-color .15s}.pronunciation-word.has-issue{border-style:dashed;cursor:pointer}.pronunciation-word.has-issue:hover{opacity:.8}.pronunciation-word.omitted{opacity:.6;text-decoration:line-through}.pronunciation-word.inserted{font-style:italic;opacity:.7}.pronunciation-word-tip{background:#1f2937;border-radius:6px;box-shadow:0 2px 8px #0000002e;color:#fff;font-size:.72rem;left:50%;line-height:1.35;max-width:220px;padding:4px 8px;position:absolute;text-align:center;top:calc(100% + 4px);transform:translateX(-50%);white-space:nowrap;white-space:normal;z-index:10}.pronunciation-word-tip:before{border:5px solid;border-color:#0000 #0000 #1f2937;bottom:100%;content:"";left:50%;position:absolute;transform:translateX(-50%)}.global-word-tooltip{animation:tooltipSlideIn .15s ease-out;background:#fff;background:var(--card-bg,#1f2937);border-radius:14px;box-shadow:0 8px 32px #00000080,0 2px 8px #00000040;max-width:340px;min-width:280px;overflow:hidden;pointer-events:auto}@keyframes tooltipSlideIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.tooltip-tabs{border-bottom:1px solid #ffffff14;display:flex;padding:0 4px}.tooltip-tab{background:none;border:none;border-bottom:2.5px solid #0000;color:#ffffff61;cursor:pointer;flex:1 1;font-size:.8rem;font-weight:600;letter-spacing:.01em;padding:10px 0;text-align:center;transition:color .15s,border-color .15s}.tooltip-tab:hover{color:#ffffffb3}.tooltip-tab.active{border-bottom-color:#ffffffb3;color:#ffffffe6}.tooltip-tab-body{padding:14px 16px 16px}.vocab-tab-content{display:flex;flex-direction:column;gap:12px}.vocab-word-header{align-items:center;display:flex;flex-wrap:wrap;gap:8px}.vocab-word-main{color:#fff;font-size:1.35rem;font-weight:800;letter-spacing:-.01em}.vocab-audio-btn{align-items:center;background:#ffffff0f;border:none;border-radius:50%;color:#ffffff73;cursor:pointer;display:flex;flex-shrink:0;height:30px;justify-content:center;transition:background .15s,color .15s;width:30px}.vocab-audio-btn:hover{background:#ffffff26;color:#fff}.vocab-audio-btn:active{transform:scale(.92)}.vocab-gender-tag,.vocab-pos-tag{align-items:center;background:#ffffff14;border:1px solid #ffffff1a;border-radius:10px;color:#fff9;display:inline-flex;font-size:.68rem;font-weight:600;letter-spacing:.02em;padding:2px 8px}.vocab-pronunciation{color:#fff6;font-size:.8rem;font-style:italic;margin-top:-4px}.vocab-translation{color:#ffffffc7;font-size:.88rem;line-height:1.5}.vocab-definitions-list{list-style:decimal;margin:0;padding-left:18px}.vocab-definition-item{color:#ffffffc7;font-size:.85rem;line-height:1.55;padding:1px 0}.vocab-definition-item:first-child{color:#fff;font-weight:600}.vocab-loading{align-items:center;color:#ffffff73;display:flex;gap:7px}.vocab-example-section{background:#ffffff0a;border-radius:10px;overflow:hidden}.vocab-example-body{padding:10px 12px}.vocab-example-line{color:#ffffff8c;font-size:.8rem;line-height:1.55}.vocab-example-line strong{color:#fff;font-weight:700}.vocab-example-translation{color:#fff6;font-size:.78rem;font-style:italic;line-height:1.5;margin-top:4px}.vocab-action-row{display:flex;gap:8px;padding-top:2px}.vocab-btn{align-items:center;border-radius:10px;cursor:pointer;display:flex;flex:1 1;font-size:.76rem;font-weight:600;gap:5px;justify-content:center;padding:9px 0;transition:background .15s,border-color .15s,color .15s,transform .1s}.vocab-btn:active{transform:scale(.97)}.vocab-btn-icon{font-size:.9rem}.vocab-btn-save{background:#0000;border:1px solid #ffffff1f;color:#ffffff8c}.vocab-btn-save:hover{background:#ffffff0a;border-color:#ffffff47;color:#ffffffd9}.vocab-btn-know{background:#ffffff12;border:1px solid #ffffff12;color:#ffffffa6}.vocab-btn-know:hover{background:#ffffff1f;color:#fff}.grammar-tab-content{display:flex;flex-direction:column;gap:14px}.grammar-empty-state{color:#ffffff4d;font-size:.8rem;padding:16px 0;text-align:center}.grammar-word-header{align-items:baseline;display:flex;flex-wrap:wrap;gap:8px}.grammar-word-main{color:#fff;font-size:1.35rem;font-weight:800;letter-spacing:-.01em}.grammar-word-base{color:#fff6;font-size:.8rem;font-weight:400}.grammar-word-base em{color:#ffffff8c;font-weight:500}.grammar-morph-tags{display:flex;flex-wrap:wrap;gap:5px}.grammar-morph-tag{align-items:center;background:#8b5cf61f;border:1px solid #8b5cf633;border-radius:10px;color:#c4b5fdcc;display:inline-flex;font-size:.68rem;font-weight:600;letter-spacing:.02em;padding:2px 8px}.grammar-morph-tag-clickable{cursor:pointer;transition:background .15s,border-color .15s,color .15s,transform .1s}.grammar-morph-tag-clickable:hover{background:#8b5cf640;border-color:#8b5cf666;color:#c4b5fd}.grammar-morph-tag-clickable:active{transform:scale(.95)}.grammar-concept-section{background:#ffffff0a;border-radius:10px;display:flex;flex-direction:column;gap:4px;padding:10px 12px}.grammar-concept-section-clickable{cursor:pointer;transition:background .15s,outline-color .15s}.grammar-concept-section-clickable:hover{background:#ffffff14;outline:1px solid #8b5cf64d}.grammar-concept-section-clickable:active{background:#ffffff1a}.grammar-concept-name{color:#ffffffd9;font-size:.85rem;font-weight:700;line-height:1.35}.grammar-concept-desc{color:#ffffff73;font-size:.78rem;line-height:1.55}.grammar-action-stack{display:flex;flex-direction:column;gap:7px}.grammar-action-btn{align-items:center;border-radius:10px;cursor:pointer;display:flex;font-size:.78rem;font-weight:600;gap:6px;justify-content:center;padding:10px 14px;transition:background .15s,border-color .15s,color .15s,transform .1s;width:100%}.grammar-action-btn:active{transform:scale(.98)}.grammar-action-secondary{background:#ffffff0d;border:1px solid #ffffff1a;color:#ffffffa6}.grammar-action-secondary:hover{background:#ffffff17;border-color:#ffffff2e;color:#fff}.grammar-action-primary{background:#ffffff14;border:1px solid #ffffff26;color:#ffffffbf}.grammar-action-primary:hover{background:#ffffff24;border-color:#ffffff40;color:#fff}.grammar-action-primary{align-items:center;display:flex;gap:8px;justify-content:center}.grammar-action-counts{align-items:center;display:inline-flex;gap:5px}.grammar-action-count-total{background:#8b5cf640;border-radius:10px;color:#c4b5fd;font-size:.65rem;font-weight:700;line-height:1.4;padding:1px 7px}.grammar-action-count-new{background:#f59e0b33;border-radius:10px;color:#fbbf24;font-size:.6rem;font-weight:600;line-height:1.4;padding:1px 6px}.grammar-others-section{border-top:1px solid #ffffff0f;padding-top:12px}.grammar-others-label{color:#ffffff4d;font-size:.63rem;font-weight:700;letter-spacing:.06em;margin-bottom:7px;text-transform:uppercase}.grammar-others-chips{display:flex;flex-wrap:wrap;gap:5px;max-height:56px;overflow-y:auto;scrollbar-color:#ffffff26 #0000;scrollbar-width:thin}.grammar-other-chip{align-items:center;background:#ffffff0f;border:1px solid #ffffff14;border-radius:14px;color:#fff9;cursor:pointer;display:inline-flex;font-size:.7rem;font-weight:500;padding:4px 10px;transition:background .15s,border-color .15s,color .15s}.grammar-other-chip:hover{background:#ffffff1f;border-color:#fff3;color:#ffffffd9}.morphology-explanation{border-top:1px solid #ffffff0f;color:#ffffff8c;font-size:.76rem;font-style:italic;line-height:1.5;padding-top:4px}.morphology-concept-connection{color:#a78bfab3;font-size:.72rem;line-height:1.45}.word.grammar-highlight{border-bottom:2px solid #a78bfa;cursor:pointer;position:relative}.dictionary-modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;bottom:0;left:0;opacity:0;position:fixed;right:0;top:0;transition:all .3s ease;visibility:hidden;z-index:1000}.dictionary-modal-overlay.visible{opacity:1;visibility:visible}.dictionary-modal{background:var(--modal-bg);border:1px solid var(--border-color);border-radius:16px;box-shadow:0 8px 32px #0000001a;display:flex;flex-direction:column;left:50%;max-height:80vh;max-width:700px;opacity:0;position:fixed;top:50%;transform:translate(-50%,-50%) scale(.9);transition:all .3s ease;visibility:hidden;width:80%;z-index:1001}.dictionary-modal.visible{opacity:1;transform:translate(-50%,-50%) scale(1);visibility:visible}.dictionary-modal-header{align-items:center;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;padding:8px 12px}.dictionary-modal-title{align-items:center;color:var(--text-color);display:flex;font-size:16px;font-weight:600;gap:8px;margin:0}.dictionary-modal-title svg{color:var(--accent-color);height:20px;width:20px}.dictionary-modal-close{background:none;border:none;border-radius:8px;color:var(--secondary-text);cursor:pointer;padding:6px;transition:color .2s ease}.dictionary-modal-close:hover{background:var(--hover-bg);color:var(--text-color)}.dictionary-modal-content{display:flex;flex:1 1;flex-direction:column;gap:12px;overflow-y:auto;padding:12px}.dictionary-level-selector{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;margin-bottom:6px;padding:6px}.dictionary-level-selector,.level-navigation{display:flex;flex-direction:column;gap:8px}.level-title{color:var(--text-color);font-size:13px;font-weight:500;margin:0 0 2px}.level-loading{align-items:center;color:var(--secondary-text);display:flex;gap:12px;padding:8px}.loading-spinner.small{border-width:2px;height:18px;width:18px}.level-buttons{-ms-overflow-style:none;display:flex;flex-wrap:nowrap;gap:4px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}.level-buttons::-webkit-scrollbar{height:4px}.level-buttons::-webkit-scrollbar-thumb{background-color:rgba(var(--accent-color-rgb),.3);border-radius:4px}.level-button{align-items:center;background:var(--button-bg);border:1px solid var(--border-color);border-radius:6px;color:var(--text-color);cursor:pointer;display:flex;flex:0 0 auto;flex-direction:column;font-size:12px;gap:2px;justify-content:center;min-width:36px;padding:4px 2px;position:relative;transition:all .2s ease}.level-button:hover{background:var(--hover-bg);border-color:var(--accent-color);transform:translateY(-1px)}.level-button.active{background:var(--accent-color);border-color:var(--accent-color);color:#fff}.level-button .level-number{font-size:14px;font-weight:600}.level-button .level-count{font-size:10px;opacity:.8}.set-level-button{align-items:center;background:grey;border:none;border-radius:8px;color:#fff;cursor:pointer;display:flex;font-size:13px;font-weight:500;gap:8px;justify-content:center;overflow:hidden;padding:8px 12px;position:relative;transition:all .2s ease}.set-level-button:hover{box-shadow:0 4px 12px rgba(var(--accent-color-rgb),.2);transform:translateY(-1px)}.set-level-button:active{transform:translateY(0)}.set-level-button:disabled{cursor:not-allowed;opacity:.7}.set-level-button svg{height:18px;width:18px}.set-level-button .loader{animation:spin .8s linear infinite;border:2px solid #ffffff4d;border-radius:50%;border-top-color:#fff;height:18px;width:18px}.success-message{align-items:center;background:#4caf501a;border-radius:6px;color:#4caf50;display:flex;font-size:13px;gap:8px;padding:8px}.success-message .success-icon{font-size:14px;font-weight:700}.dictionary-search{align-items:center;display:flex;flex-direction:row;gap:6px;margin-bottom:2px;position:relative}.dictionary-search input{background:var(--input-bg);border:1px solid var(--border-color);border-radius:6px;color:var(--text-color);flex:1 1;font-size:12px;height:26px;padding:4px 8px;transition:all .2s ease}.dictionary-search input:focus{border-color:var(--accent-color);box-shadow:0 0 0 3px rgba(var(--accent-color-rgb),.1);outline:none}.search-info{color:var(--secondary-text);font-size:10px;margin-bottom:0;white-space:nowrap}.dictionary-loading{align-items:center;color:var(--secondary-text);display:flex;flex-direction:column;gap:12px;justify-content:center;padding:32px}.loading-spinner{border:3px solid rgba(var(--accent-color-rgb),.1);border-radius:50%;border-top-color:var(--accent-color);height:32px;width:32px}.loading-text{font-size:14px;font-weight:500}.dictionary-words{display:flex;flex-direction:column;gap:6px;max-height:40vh;overflow-y:auto}.dictionary-word{align-items:center;background:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;display:flex;justify-content:space-between;padding:6px 10px;transition:all .2s ease}.dictionary-word:hover{border-color:var(--accent-color);transform:translateX(2px)}.word-info{align-items:center;display:flex;gap:8px;overflow:hidden}.word-number{color:var(--secondary-text);font-size:13px;min-width:20px}.word-text{align-items:center;color:var(--text-color);display:flex;font-size:14px;font-weight:500;gap:6px;max-width:250px}.word-text,.word-transliteration{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.word-transliteration{color:var(--secondary-text);font-size:13px;font-weight:400}.word-status{align-items:center;display:flex;flex-shrink:0;gap:8px}.word-state{border-radius:4px;font-size:12px;font-weight:500;padding:3px 8px;text-transform:capitalize;white-space:nowrap}.word-state.learning{background:rgba(var(--accent-color-rgb),.1);color:var(--accent-color)}.word-state.review{background:#4caf501a;color:#4caf50}.word-state.relearning{background:#ff98001a;color:#ff9800}.word-state.not-started{background:#9e9e9e1a;color:#9e9e9e}.word-due{color:var(--secondary-text);font-size:12px;white-space:nowrap}.no-words-message{align-items:center;background:var(--card-bg);border:1px dashed var(--border-color);border-radius:8px;color:var(--secondary-text);display:flex;font-size:14px;justify-content:center;padding:24px 16px;text-align:center}@media (max-width:768px){.dictionary-modal{max-height:85vh;width:90%}.level-buttons{grid-template-columns:repeat(5,1fr)}.word-text{max-width:200px}.dictionary-level-selector{padding:10px}.dictionary-words{max-height:35vh}}@media (max-width:576px){.dictionary-modal{max-height:90vh;width:95%}.dictionary-modal-content{padding:12px}.level-buttons{grid-template-columns:repeat(4,1fr)}.level-button{padding:6px 4px}.level-button .level-number{font-size:14px}.level-button .level-count{font-size:10px}.word-text{font-size:13px;max-width:150px}.word-state{font-size:11px;padding:2px 6px}.dictionary-modal .word-due{display:none}.dictionary-level-selector{padding:8px}.level-actions{flex-direction:column}.dictionary-words{max-height:30vh}}.dictionary-tab,.dictionary-tabs{display:none}.level-navigation-container{display:flex;flex-direction:column;gap:4px;margin-bottom:8px}.level-actions{display:flex;flex-direction:column;gap:8px}.dictionary-word-section{display:flex;flex-direction:column;gap:6px}.level-indicator{align-items:center;border-top:1px solid var(--border-color);color:var(--secondary-text);display:flex;font-size:13px;justify-content:space-between;margin-top:auto;padding-top:12px}.change-level-button{background:none;border:none;border-radius:4px;color:var(--accent-color);cursor:pointer;font-size:13px;padding:6px 10px;transition:all .2s ease}.change-level-button:hover{background-color:rgba(var(--accent-color-rgb),.1)}.level-header{align-items:center;display:flex;gap:8px;margin-bottom:0}.level-header .level-title{margin-bottom:0;margin-right:4px;white-space:nowrap}.level-button.current-user-level{background:#4caf50;border-color:#4caf50;color:#fff;position:relative}.level-button.current-user-level:after{background:#fff;border:1px solid #4caf50;border-radius:50%;color:#4caf50;content:"✓";font-size:10px;height:14px;position:absolute;right:-5px;top:-5px;width:14px}.level-button.current-user-level:after,.modal-overlay{align-items:center;display:flex;justify-content:center}.modal-overlay{animation:fadeIn .3s ease-out forwards;background-color:#000000b3;bottom:0;left:0;position:fixed;right:0;top:0;z-index:1000}.modal-content{animation:scaleUp .6s cubic-bezier(.34,1.56,.64,1) forwards;background-color:#1a2536;border:1px solid #2d3748;border-radius:16px;box-shadow:0 10px 25px #0000004d;color:#fff;max-height:85vh;max-width:400px;opacity:0;overflow-y:auto;padding:20px;position:relative;text-align:center;transform:scale(.9);width:90%}@keyframes scaleUp{0%{opacity:0;transform:scale(.5)}60%{opacity:1;transform:scale(1.1)}80%{transform:scale(.95)}to{opacity:1;transform:scale(1)}}.reward-icon{fill:gold;animation:iconPop .5s ease-out .3s forwards,iconFloat 3s ease-in-out .8s infinite;margin-bottom:15px;opacity:0;transform:scale(0)}@keyframes iconPop{0%{opacity:0;transform:scale(0)}60%{opacity:1;transform:scale(1.2)}to{opacity:1;transform:scale(1)}}@keyframes iconFloat{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-8px) scale(1.05)}}.modal-content h2{color:#fff;font-size:24px;font-weight:700;margin-bottom:15px;margin-top:0}.streak-message-section h3{color:#e2e8f0;font-size:18px;font-weight:400;line-height:1.4;margin-bottom:20px}.animated-message{align-items:center;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.message-text{color:#e2e8f0;font-size:18px;font-weight:400;line-height:1.4}.animated-number{animation:numberPulse .5s ease-in-out;color:gold;display:inline-block;font-size:42px;font-weight:700;min-width:70px;text-shadow:0 2px 4px #0000004d}.goal-number,.words-number{color:gold}@keyframes numberPulse{0%{transform:scale(1)}50%{transform:scale(1.2)}to{transform:scale(1)}}.words-learned-section{background-color:#2d3748;border:1px solid #374151;border-radius:12px;box-shadow:0 4px 12px #0003;margin-bottom:18px;padding:12px}.level-progress-section p{align-items:center;color:#d1d5db;display:flex;font-size:15px;margin:8px 0}.level-progress-section{background-color:#2d3748;border:1px solid #374151;border-radius:12px;box-shadow:0 4px 12px #0003;margin-bottom:20px;padding:12px}.progress-icon{font-size:20px;margin-right:10px}.progress-value{color:#52b8d1;font-weight:700;margin-left:5px}.modal-content .progress-bar-container{background-color:#374151!important;border:1px solid #4a5568!important;border-radius:8px!important;height:14px!important;margin-bottom:12px!important;margin-top:6px!important;overflow:hidden!important;padding:0!important;position:relative!important;text-align:left!important;width:100%!important}.modal-content .progress-bar-fill{align-items:center!important;background:linear-gradient(90deg,#1ab4d9,#52b8d1)!important;border-radius:6px!important;box-sizing:border-box!important;color:#fff!important;display:flex!important;font-size:11px!important;font-weight:700!important;height:100%!important;justify-content:center!important;max-width:100%!important;min-width:0!important;position:relative!important;transition:width .8s ease-in-out!important}.modal-content .progress-bar-fill:after{background:linear-gradient(90deg,#1ab4d94d,#52b8d14d);border-radius:6px;bottom:0;content:"";left:0;opacity:.5;position:absolute;right:0;top:0}.continue-learning-button{background:linear-gradient(90deg,#1ab4d9,#52b8d1);border:none;border-radius:10px;box-shadow:0 4px 12px #1ab4d94d;color:#fff;cursor:pointer;font-size:16px;font-weight:600;overflow:hidden;padding:12px 24px;position:relative;transition:all .2s ease-in-out;width:100%}.continue-learning-button:hover{background:linear-gradient(90deg,#159cc0,#43a5bc);box-shadow:0 6px 20px #1ab4d966;transform:translateY(-2px)}.continue-learning-button:active{box-shadow:0 2px 8px #1ab4d94d;transform:translateY(0)}.continue-learning-button.animate-in{animation:buttonSlideIn .5s ease-out forwards;opacity:0;transform:translateY(20px)}@keyframes buttonSlideIn{to{opacity:1;transform:translateY(0)}}.xp-bar-container{background-color:#4a5568;border-radius:10px;height:20px;margin:20px 0;overflow:hidden}.xp-bar-fill{align-items:center;background-color:#f59e0b;border-radius:10px;color:#fff;display:flex;font-weight:700;height:100%;justify-content:center;transition:width .5s ease-in-out}.stats-container{display:flex;justify-content:space-around;margin-bottom:20px;margin-top:20px}.stat-box{background-color:#4a5568;border-radius:8px;min-width:120px;padding:10px 15px;text-align:center}.stat-box .value{color:#f59e0b;font-size:24px;font-weight:700}.stat-box .label{color:#cbd5e0;font-size:12px;text-transform:uppercase}.stat-box.amazing .value{color:#38b2ac}.modal-content:after,.modal-content:before{animation:confetti-fall 3s linear infinite;background:#1ab4d9;border-radius:50%;content:"";height:8px;position:absolute;width:8px;z-index:1}.modal-content:after{animation-delay:-1.5s;background:#52b8d1}.modal-content .particle-1:before{animation:confetti-fall 3.2s linear .2s infinite;background:#1ab4d9;border-radius:50%;content:"";height:6px;position:absolute;width:6px;z-index:1}.modal-content .particle-2:before{animation:confetti-fall 2.8s linear .5s infinite;background:#52b8d1;border-radius:50%;content:"";height:7px;position:absolute;width:7px;z-index:1}@keyframes confetti-fall{0%{opacity:1;transform:translateY(-100px) translateX(0) rotate(0deg)}to{opacity:0;transform:translateY(calc(100% + 100px)) translateX(15px) rotate(1turn)}}.modal-content:before{left:20%;top:-20px}.modal-content:after{left:80%;top:-15px}@media (max-width:600px){.modal-content{max-height:90vh;max-width:95%;padding:16px}.modal-content h2{font-size:20px;margin-bottom:12px}.streak-message-section h3{font-size:16px}.level-progress-section{margin-bottom:16px;padding:10px}.level-progress-section p{font-size:13px}.words-learned-section{margin-bottom:12px;padding:10px}.continue-learning-button{font-size:15px;padding:10px 20px}.reward-icon{height:45px;width:45px}.animated-number{font-size:32px}.message-text{font-size:15px}.animated-message{margin-bottom:12px}}.level-details-dropdown{animation:slideInFromLeft .2s ease-out;background-color:#2d3748;border:1px solid #4a5568;border-radius:8px;box-shadow:0 4px 12px #0000004d;padding:15px;position:absolute;text-align:left;width:200px;z-index:1000}.level-details-dropdown,.level-details-dropdown.horizontal{left:calc(100% + 15px);top:calc(30% + 5px);transform:translateY(-50%)}@keyframes slideInFromLeft{0%{opacity:0;transform:translateY(-50%) translateX(-10px)}to{opacity:1;transform:translateY(-50%) translateX(0)}}.dropdown-arrow{border-bottom:8px solid #0000;border-right:8px solid #2d3748;border-top:8px solid #0000;height:0;left:-8px;position:absolute;top:65%;transform:translateY(-50%);width:0}.dropdown-close-button{background:#0000;border:none;color:#a0aec0;cursor:pointer;font-size:24px;line-height:1;padding:0;position:absolute;right:8px;top:8px}.dropdown-close-button:hover{color:#e2e8f0}.dropdown-info{color:#e2e8f0;font-size:14px;margin-bottom:8px}.dropdown-status{color:#e2e8f0;font-size:14px;margin-bottom:12px}.dropdown-status .status-current{color:#63b3ed;font-weight:700}.dropdown-status .status-completed{color:#68d391;font-weight:700}.dropdown-status .status-locked{color:#a0aec0;font-weight:700}.start-lessons-button{background-color:#3b82f6;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:14px;font-weight:700;padding:10px 15px;transition:background-color .2s ease-in-out;width:100%}.start-lessons-button:hover{background-color:#2563eb}.start-lessons-button:disabled{background-color:#9ca3af;cursor:not-allowed;opacity:.7}.start-lessons-button:disabled:hover{background-color:#9ca3af}.button-content-with-loader{align-items:center;display:flex;gap:8px;justify-content:center}.loading-spinner{animation:spin 1s linear infinite;flex-shrink:0}.level-selection-modal-overlay{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#000000bf;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:1000}.level-selection-modal{background:#1a2536;border-radius:16px;box-shadow:0 20px 40px #0000004d;display:flex;flex-direction:column;max-height:90vh;max-width:500px;overflow:hidden;width:90%}.level-selection-header{align-items:center;border-bottom:1px solid #2d3748;display:flex;justify-content:center;padding:24px}.level-selection-header h2{color:#52b8d1;font-size:24px;font-weight:600;margin:0}.level-selection-content{flex:1 1;max-height:calc(90vh - 200px);overflow-y:auto;padding:0 24px;scrollbar-color:#4b5563 #374151;scrollbar-width:thin}.level-selection-content::-webkit-scrollbar{width:8px}.level-selection-content::-webkit-scrollbar-track{background:#374151;border-radius:10px}.level-selection-content::-webkit-scrollbar-thumb{background-color:#4b5563;border:2px solid #374151;border-radius:10px}.vertical-level-journey{align-items:center;display:flex;flex-direction:column;padding:24px 0}.level-item-wrapper{max-width:400px}.level-item-wrapper,.level-node{align-items:center;display:flex;flex-direction:column;width:100%}.level-node{border-radius:12px;cursor:pointer;margin-bottom:10px;padding:16px;position:relative;transition:margin-bottom .3s ease}.level-node:hover{background:#ffffff0d}.level-node.active{background:#1ab4d91a}.level-node.completed{background:#0000}.level-node.has-open-dropdown{margin-bottom:20px}.level-selection-modal .level-details-dropdown{left:0!important;margin-top:16px!important;max-width:100%!important;position:relative!important;top:0!important;transform:none!important;width:100%!important;z-index:1001!important}.level-selection-modal .dropdown-arrow{display:block!important}.level-circle{align-items:center;background-color:#374151;border:3px solid #4b5563;border-radius:50%;color:#fff;display:flex;font-size:24px;height:60px;justify-content:center;margin-bottom:8px;transform:translateX(4px);width:60px}.level-node.active .level-circle{background-color:#52b8d1;border-color:#52b8d1;box-shadow:0 0 15px #52b8d180}.level-node.completed .level-circle{background-color:#374151;border-color:#48bb78}.level-name{color:#f7fafc;font-size:16px;font-weight:600;margin:4px 0 2px;text-align:center}.level-node.active .level-name{color:#52b8d1}.level-info{color:#a0aec0;font-size:14px;margin:0;text-align:center}.checkmark{color:#48bb78;font-weight:700}.star{color:#f6e05e;font-weight:700}.start-tooltip{background:#52b8d1e6;border-radius:6px;color:#fff;font-size:12px;font-weight:600;padding:6px 12px;pointer-events:none;top:-45px;white-space:nowrap;z-index:10}.start-tooltip,.start-tooltip-arrow{left:50%;position:absolute;transform:translateX(-50%)}.start-tooltip-arrow{border-left:6px solid #0000;border-right:6px solid #0000;border-top:6px solid #52b8d1e6;height:0;top:100%;width:0}.level-connector-vertical{background-color:#4b5563;height:24px;margin:0;width:2px}.level-selection-footer{background:#1a2536;border-top:1px solid #2d3748;display:flex;justify-content:flex-end;padding:16px 24px}.cancel-button{background-color:#6b7280;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:14px;padding:8px 16px;transition:background-color .2s ease}.cancel-button:hover{background-color:#4b5563}.loading-container{align-items:center;display:flex;flex-direction:column;gap:16px;justify-content:center;padding:60px 20px}.loading-container p{color:#a0aec0;font-size:16px;margin:0}.no-levels-message{align-items:center;display:flex;justify-content:center;padding:60px 20px}.no-levels-message p{color:#a0aec0;font-size:16px;margin:0;text-align:center}.loading-spinner,.spinner{height:16px;width:16px}.spinner{border:2px solid #ffffff30;border-top-color:#fff}@media (max-width:768px){.level-selection-modal{max-height:85vh;width:95%}.level-selection-header{padding:20px}.level-selection-content{max-height:calc(85vh - 180px);padding:0 20px}.level-selection-footer{padding:20px}.level-circle{height:40px;margin-right:12px;width:40px}.level-circle,.level-name{font-size:16px}.level-info{font-size:12px}.cancel-button{font-size:14px;min-width:140px;padding:10px 20px}}.language-selectors{position:fixed;right:20px;top:30px;z-index:1000}.language-pair{align-items:center;display:flex;gap:6px}.language-selector{min-width:140px;position:relative;z-index:1000}.selected-language{align-items:center;background:var(--dropdown-bg);border:1px solid var(--border-color);border-radius:6px;box-shadow:0 1px 2px #0000000d;box-sizing:border-box;color:var(--text-color);cursor:pointer;display:flex;font-size:13px;font-weight:500;gap:6px;justify-content:space-between;min-height:34px;min-width:140px;padding:6px 8px;transition:all .2s ease}.selected-language span:first-of-type{flex:1 1;min-width:0}.language-select-text{word-wrap:break-word;line-height:1.2;white-space:normal}.selected-language .arrow{font-size:10px;margin-left:8px}.selected-language:hover{background:var(--hover-bg)}.separator{font-weight:500;margin:0 4px}.arrow,.separator{color:var(--secondary-text)}.arrow{font-size:10px;transition:transform .2s ease}.arrow.open{transform:rotate(180deg)}.language-dropdown{background:var(--dropdown-bg);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 8px 25px #00000040;box-sizing:border-box;display:flex;flex-direction:column;left:0;overflow:hidden;position:absolute;top:calc(100% + 4px);width:100%;z-index:10001}.onboarding-modal:not(.onboarding-inline .onboarding-modal) .language-dropdown,.onboarding-modal:not(.onboarding-inline .onboarding-modal) .language-pair-container .language-dropdown,.onboarding-modal:not(.onboarding-inline .onboarding-modal) .language-selector-wrapper .language-dropdown{box-shadow:0 8px 25px #0006!important;z-index:10000!important}.onboarding-modal .language-name{word-wrap:normal!important;font-size:15px!important;font-weight:600!important;line-height:1.2!important;white-space:nowrap!important}.onboarding-modal .language-flag{height:16px!important;width:24px!important}.onboarding-modal .language-select-text{font-size:15px!important;font-weight:600!important;line-height:1.2!important}.onboarding-modal .selected-language .language-flag{height:13px!important;width:20px!important}.onboarding-modal .language-option{padding:8px 16px!important}.onboarding-modal .language-option,.onboarding-modal .onboarding-content h2,.onboarding-modal .onboarding-content h3{font-size:15px!important;font-weight:600!important;line-height:1.2!important}.search-container{border-bottom:1px solid var(--border-color);padding:8px}.language-search{background:var(--dropdown-bg);border:1px solid var(--border-color);border-radius:6px;color:var(--text-color);font-size:14px;outline:none;padding:6px 12px;transition:border-color .2s ease;width:100%}.language-search:focus{border-color:var(--accent-color)}.language-options{max-height:250px;overflow-y:auto;overscroll-behavior:contain}.language-option{align-items:center;color:var(--text-color);cursor:pointer;display:flex;font-size:14px;gap:0;justify-content:space-between;overflow:hidden;padding:8px 12px;transition:all .2s ease}.language-option.selected,.language-option:hover{background:var(--hover-bg)}.language-option.selected{color:var(--accent-color);font-weight:500}.language-name{word-wrap:break-word;flex:1 1;line-height:1.2;margin-right:auto;white-space:normal}.language-flag{margin-left:12px}.selected-language .language-flag{height:11px;margin:0;max-height:11px;max-width:16px;width:16px}.no-results{color:var(--secondary-text);font-size:14px;padding:12px;text-align:center}.language-options::-webkit-scrollbar{width:6px}.language-options::-webkit-scrollbar-track{background:var(--question-bg);border-radius:0 0 6px 0}.language-options::-webkit-scrollbar-thumb{background:var(--secondary-text);border-radius:4px}.language-options::-webkit-scrollbar-thumb:hover{background:var(--text-color)}@media (max-width:768px){.language-selector{min-width:auto}.selected-language{gap:4px;min-height:36px;min-width:120px;padding:6px 8px}.language-select-text{word-wrap:break-word;display:block;flex:1 1;font-size:12px;line-height:1.2;min-width:0;white-space:normal}.selected-language .arrow{display:block;font-size:8px;margin-left:2px}.language-dropdown.mobile-dropdown{box-shadow:0 8px 25px #0006;max-height:40vh}.onboarding-modal:not(.onboarding-inline .onboarding-modal) .language-dropdown{box-shadow:0 8px 25px #0006!important;z-index:10000!important}.language-options{display:flex;flex-direction:column;gap:2px;max-height:200px;overflow-y:auto;padding:0}.language-option{align-items:center;border-radius:6px;display:flex;gap:0;justify-content:space-between;min-height:40px;padding:10px 12px}.language-option .language-name{word-wrap:break-word;display:block;flex:1 1;font-size:14px;line-height:1.3;white-space:normal}.language-option .language-flag{flex-shrink:0;height:14px;margin-left:12px;width:20px}.search-container{display:flex;justify-content:center;padding:8px 12px}.language-search{font-size:14px;padding:8px 12px;text-align:center;width:100%}}@media (max-width:360px){.language-dropdown{width:160px}.language-options{grid-template-columns:repeat(2,1fr)}}.course-dropdown{display:inline-flex;position:relative}.course-dropdown-trigger{align-items:center;background:#0000;border:none;border-radius:6px;color:var(--text-color);cursor:pointer;display:flex;gap:0;padding:4px;transition:background-color .15s ease}.course-dropdown-trigger:hover{background-color:#ffffff1a}.course-flag{border-radius:2px;box-shadow:0 1px 2px #00000026;height:16px;object-fit:cover;width:24px}.course-name-trigger{color:var(--text-color);font-size:13px;font-weight:500}.course-code{font-size:11px;font-weight:500;letter-spacing:.5px;opacity:.85;text-transform:uppercase}.course-name{font-size:14px;font-weight:500;max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-dropdown-arrow{opacity:.7;transition:transform .2s ease}.course-dropdown-arrow.open{transform:rotate(180deg)}.course-dropdown-menu{animation:courseDropdownFadeIn .15s ease-out;background:#1a2536fa;border:1px solid #ffffff1f;border-radius:12px;box-shadow:0 12px 40px #0006;min-width:260px;overflow:hidden;position:absolute;right:0;top:calc(100% + 8px);z-index:9999}@keyframes courseDropdownFadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.course-dropdown-header{border-bottom:1px solid #ffffff14;color:var(--secondary-text);font-size:12px;font-weight:600;letter-spacing:.5px;padding:12px 16px;text-transform:uppercase}.course-dropdown-loading{align-items:center;display:flex;justify-content:center;padding:24px}.course-dropdown-loading .loading-spinner.small{height:24px;width:24px}.course-dropdown-list{max-height:280px;overflow-y:auto;padding:8px}.course-dropdown-list::-webkit-scrollbar{width:6px}.course-dropdown-list::-webkit-scrollbar-track{background:#0000}.course-dropdown-list::-webkit-scrollbar-thumb{background-color:#ffffff26;border-radius:3px}.course-dropdown-item{align-items:center;background:#0000;border:none;border-radius:8px;color:var(--text-color);cursor:pointer;display:flex;justify-content:space-between;padding:10px 12px;text-align:left;transition:background-color .12s ease;width:100%}.course-dropdown-item:hover{background-color:#ffffff14}.course-dropdown-item.active{background-color:#52b8d126}.course-item-left{align-items:center;display:flex;gap:12px}.course-item-flag{border-radius:3px;box-shadow:0 1px 3px #00000026;height:22px;object-fit:cover;width:32px}.course-item-info{display:flex;flex-direction:column;gap:2px}.course-item-name{color:var(--text-color);font-size:14px;font-weight:500}.course-item-stats{color:var(--secondary-text);font-size:12px}.course-item-right{align-items:center;display:flex;flex-shrink:0;gap:8px}.course-item-check{color:#52b8d1;flex-shrink:0}.course-item-remove{align-items:center;background:#0000;border:none;border-radius:50%;color:var(--secondary-text);cursor:pointer;display:flex;height:24px;justify-content:center;opacity:0;padding:0;transition:opacity .15s ease,background-color .15s ease,color .15s ease;width:24px}.course-dropdown-item:hover .course-item-remove{opacity:1}.course-item-remove:hover{background-color:#ff505026;color:#ff5050}.course-item-wrapper{position:relative}.course-remove-confirm{background-color:#ff505014;border:1px solid #ff505033;border-radius:8px;display:flex;flex-direction:column;gap:8px;margin:2px 0;padding:10px 12px}.course-remove-confirm-text{color:var(--text-color);font-size:13px;line-height:1.4}.course-remove-confirm-actions{display:flex;gap:8px}.course-remove-confirm-btn{border:none;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600;padding:4px 14px;transition:background-color .12s ease,opacity .12s ease}.course-remove-confirm-btn:disabled{cursor:not-allowed;opacity:.6}.course-remove-confirm-btn.confirm{background-color:#ff5050;color:#fff}.course-remove-confirm-btn.confirm:hover:not(:disabled){background-color:#e04545}.course-remove-confirm-btn.cancel{background-color:#ffffff1a;color:var(--text-color)}.course-remove-confirm-btn.cancel:hover:not(:disabled){background-color:#ffffff2e}.course-dropdown-divider{background:#ffffff14;height:1px;margin:4px 0}.course-dropdown-add{align-items:center;background:#0000;border:none;color:#52b8d1;cursor:pointer;display:flex;font-size:14px;font-weight:500;gap:12px;padding:12px 16px;text-align:left;transition:background-color .12s ease;width:100%}.course-dropdown-add:hover{background-color:#52b8d11a}.course-dropdown-add svg{flex-shrink:0}@media (max-width:768px){.course-dropdown-trigger{gap:6px;padding:4px 8px}.course-flag{height:14px;width:20px}.course-name-trigger{font-size:12px}.course-dropdown-menu{min-width:240px;right:-10px}}.streak-info-container{align-items:center;background:var(--stats-bg);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 1px 2px #0000001a;color:var(--text-color);display:flex;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:12px;gap:24px;height:30px;margin-left:auto;margin-right:16px;padding:6px 8px 6px 16px;position:relative;transition:all .2s ease;z-index:1000}.streak-info-container:hover{background:var(--hover-bg);box-shadow:0 2px 5px #0000001a;transform:translateY(-1px)}.streak-info-container[style*=pointer]:hover{background:var(--hover-bg);border-color:var(--accent-color);box-shadow:0 3px 8px #00000026;transform:translateY(-1px)}.streak-info-container[style*=pointer]:active{box-shadow:0 1px 3px #0000001a;transform:translateY(0)}.streak-info-item{align-items:center;display:flex;gap:6px;min-width:0}.streak-info-label{color:var(--secondary-text);font-size:13px;font-weight:500;white-space:nowrap}.streak-info-value{color:var(--text-color);font-size:12px;font-weight:600;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.language-item{align-items:center;display:flex;gap:8px}.language-name{color:var(--accent-color);font-size:12px;font-weight:600}.language-flag{align-self:center;border-radius:2px;box-shadow:0 1px 2px #0000001a;flex-shrink:0;height:12px;margin:0!important;object-fit:cover;vertical-align:middle;width:18px}.progress-container{align-items:center;display:flex;gap:6px;margin-top:10px;min-width:60px;position:relative}.progress-bar{background-color:#ffffff1f;position:relative;width:40px}.progress-bar:before{border-radius:2px;content:"";height:100%;left:0;position:absolute;top:0;transition:width .3s ease;width:inherit}.daily-progress:before{background:linear-gradient(90deg,#ff9d45,#ff6b00);width:inherit}.progress-text{color:var(--text-color);font-size:7px;font-weight:600;line-height:1;white-space:nowrap}.dark-theme .progress-bar{background-color:#ffffff14}@media (max-width:768px){.streak-info-container{font-size:12px;gap:16px;height:30px;margin-right:10px;padding:6px 10px}.streak-info-item{gap:4px}.language-item{gap:6px}.streak-info-label{font-size:11px}.streak-info-value{font-size:11px;max-width:80px}.language-name{font-size:11px;max-width:70px}.language-flag{height:11px;width:16px}.progress-container{gap:4px;min-width:50px}.progress-bar{height:3px;width:30px}.progress-text{font-size:7px;line-height:1}}@media (max-width:480px){.streak-info-container{font-size:11px;gap:12px;height:28px;padding:5px 8px}.language-item{gap:4px}.streak-info-label{font-size:10px}.streak-info-value{font-size:10px;max-width:60px}.language-name{font-size:10px;max-width:50px}.language-flag{height:9px;width:14px}.progress-container{gap:3px}.progress-bar{width:25px}.progress-text{font-size:5px;line-height:1}}.level-assessment{align-items:center;animation:fade-in .3s ease-out;background:#0000;border-radius:0;display:flex;flex-direction:column;margin:0 auto;max-width:500px;padding:0;width:100%}.onboarding-container.level-assessment-container,.onboarding-modal.level-assessment-modal{background:#0000!important;border:none!important;box-shadow:none!important;margin:0!important;padding:0!important}.assessment-content{background:linear-gradient(145deg,#243447,#1a2536);border:1px solid #52b8d11a;border-radius:14px;box-shadow:0 8px 20px #00000040;color:#fff;display:flex;flex-direction:column;gap:16px;overflow:hidden;padding:20px;position:relative;width:100%}.assessment-content:before{background:linear-gradient(90deg,#1ab4d9,#52b8d1);content:"";height:4px;left:0;position:absolute;top:0;width:100%;z-index:5}.assessment-title{border-bottom:1px solid #ffffff1a;margin-bottom:5px;padding-bottom:12px;text-align:center}.assessment-title h2{background:linear-gradient(90deg,#52b8d1,#90d4e3);-webkit-background-clip:text;background-clip:text;color:#0000;font-size:1.6rem;font-weight:700;letter-spacing:-.5px;margin:0 0 8px}.assessment-title p{color:#dcdee2;font-size:.95rem;line-height:1.3;margin:0}.close-button{align-items:center;background-color:#ffffff1a;border:none;border-radius:50%;color:#dcdee2;cursor:pointer;display:flex;font-size:18px;height:28px;justify-content:center;line-height:1;padding:0;position:absolute;right:12px;top:12px;transition:all .2s;width:28px;z-index:10}.close-button:hover{background-color:#fff3;color:#fff;transform:rotate(90deg)}h3{font-size:1.2rem;margin:5px 0}.level-indicator,h3{color:#fff;font-weight:600;text-align:center}.level-indicator{background:linear-gradient(90deg,#1ab4d9,#1a98d9);border-radius:20px;box-shadow:0 3px 8px #1ab4d940;display:block;font-size:.9rem;letter-spacing:.5px;margin:0 auto 10px;padding:6px 14px;text-transform:uppercase;width:fit-content}.question-container{align-items:center;display:flex;justify-content:center;margin:15px 0}.question-word{background:#1ab4d914;border:1px solid #52b8d126;border-radius:10px;box-shadow:0 4px 12px #1ab4d91a;color:#52b8d1;font-size:2rem;font-weight:600;overflow:hidden;padding:15px 25px;position:relative;text-align:center;transition:all .3s ease}.question-word:after{animation:shine 2s infinite;background:linear-gradient(45deg,#0000,#ffffff0d,#0000);content:"";height:100%;left:0;position:absolute;top:0;width:100%}@keyframes shine{0%{transform:translateX(-100%)}to{transform:translateX(100%)}}.options-container{grid-gap:12px;display:grid;gap:12px;grid-template-columns:1fr 1fr;margin-top:16px}.option-button{-webkit-font-smoothing:antialiased;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:10px;box-shadow:0 2px 5px #0000001a;color:#fff;cursor:pointer;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:.95rem;font-weight:500;overflow:hidden;padding:12px 10px;position:relative;text-align:center;transition:all .2s ease}.option-button,.option-button *{color:#fff!important;font-weight:500!important}.option-button:hover:not(:disabled){background:#52b8d126;border-color:#52b8d14d;transform:translateY(-2px)}.option-button.correct{background:linear-gradient(145deg,#28a745,#34d399);border-color:#28a745;box-shadow:0 4px 10px #34d3994d;color:#fff;transform:translateY(-2px)}.option-button.incorrect{background:linear-gradient(145deg,#dc3545,#f87171);border-color:#dc3545;box-shadow:0 4px 10px #f871714d;color:#fff;transform:translateY(-2px)}.option-button:disabled{cursor:default;opacity:.8}.result-feedback{animation:fade-in-up .4s ease-out;border-radius:8px;font-size:.9rem;font-weight:500;margin-top:16px;padding:10px;text-align:center}.result-feedback.correct{background:#34d39926;border:1px solid #34d3994d;color:#34d399}.result-feedback.incorrect{background:#f8717126;border:1px solid #f871714d;color:#f87171}.error-message,.loading-indicator{padding:15px;text-align:center}.spinner{animation:spin 1s linear infinite;border:3px solid #1ab4d91a;border-radius:50%;border-top-color:#1ab4d9;height:36px;margin:0 auto 15px;width:36px}.spinner.small{border-width:2px;height:18px;margin-bottom:8px;width:18px}.final-result{animation:fade-in-up .5s ease-out;padding:15px 10px;text-align:center}.level-badge{background:linear-gradient(90deg,#1ab4d9,#52b8d1);-webkit-background-clip:text;background-clip:text;color:#0000;display:inline-block;font-size:2rem;font-weight:700;margin:15px 0;position:relative}.level-badge:after{background:linear-gradient(90deg,#1ab4d9,#52b8d1);border-radius:3px;bottom:-6px;content:"";height:3px;left:50%;position:absolute;transform:translateX(-50%);width:50px}.level-description{color:#dcdee2;font-size:1rem;line-height:1.4;margin:12px auto;max-width:90%}.resetting-progress{align-items:center;background:#ffffff0d;border-radius:8px;color:#dcdee2;display:flex;font-size:.85rem;gap:8px;justify-content:center;margin-top:16px;padding:10px 15px;text-align:center}@keyframes fade-in-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.dark-theme .assessment-content{background:linear-gradient(145deg,#1a2536,#243447);box-shadow:0 8px 20px #00000040,0 2px 5px #00000026}.dark-theme .assessment-header h3{color:#f3f4f6}.dark-theme .question-word{background:#1ab4d914;color:#52b8d1}.dark-theme .option-button{background:#ffffff0d;border-color:#ffffff1a;color:#f3f4f6}.dark-theme .option-button:hover{background:#52b8d126;border-color:#52b8d14d}.dark-theme .option-button.correct{background:linear-gradient(145deg,#065f46,#10b981);border-color:#10b981;color:#fff}.dark-theme .option-button.incorrect{background:linear-gradient(145deg,#b91c1c,#ef4444);border-color:#ef4444;color:#fff}.dark-theme .result-feedback.correct{background:#10b98126;border-color:#10b9814d;color:#10b981}.dark-theme .result-feedback.incorrect{background:#ef444426;border-color:#ef44444d;color:#ef4444}.dark-theme .level-description{color:#d1d5db}@media (max-width:768px){.assessment-content{padding:16px}.options-container{grid-template-columns:1fr}.question-word{font-size:1.8rem;padding:12px 20px}.assessment-title h2{font-size:1.5rem}}@media (max-width:480px){.assessment-content{padding:15px 12px}.question-word{font-size:1.6rem;padding:10px 15px}.assessment-title h2{font-size:1.4rem}.level-badge{font-size:1.8rem}}.loading-indicator p{color:#e0e0e0;font-size:16px;margin-top:15px}.loading-tip{color:#a0a0a0!important;font-size:14px!important;font-style:italic;margin-top:5px!important}.level-setting-overlay{align-items:center;animation:fade-in .3s ease-out;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#000000b3;border-radius:14px;bottom:0;display:flex;justify-content:center;left:0;position:absolute;right:0;top:0;z-index:100}.level-setting-content{align-items:center;background:#1a2536cc;border:1px solid #52b8d133;border-radius:12px;box-shadow:0 8px 20px #0000004d;display:flex;flex-direction:column;gap:15px;max-width:80%;padding:25px;text-align:center}.level-setting-content p{color:#fff;font-size:1rem;line-height:1.4;margin:0}.level-setting-standalone{background-color:#000000d9;bottom:0;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:2000}.level-setting-modal,.level-setting-standalone{align-items:center;animation:fade-in .3s ease-out;display:flex;flex-direction:column}.level-setting-modal{background:linear-gradient(145deg,#243447,#1a2536);border:1px solid #52b8d11a;border-radius:14px;box-shadow:0 8px 20px #00000040;max-width:400px;padding:30px;position:relative;width:90%}.level-setting-modal:before{background:linear-gradient(90deg,#1ab4d9,#52b8d1);content:"";height:4px;left:0;position:absolute;top:0;width:100%;z-index:5}.level-setting-standalone .spinner{border:4px solid #1ab4d91a;border-top-color:#1ab4d9;height:50px;margin-bottom:20px;width:50px}.level-setting-standalone p{color:#fff;font-size:1.1rem;line-height:1.5;margin:0;max-width:320px;text-align:center}.onboarding-container{align-items:center;background-color:#0d1520;display:flex;justify-content:center;min-height:100vh;overflow:visible;width:100%}.onboarding-container.onboarding-inline{background-color:initial!important;min-height:auto!important;padding:0}.onboarding-inline .onboarding-modal{animation:none;background:#0000!important;border-radius:0;box-shadow:none!important;height:auto!important;max-width:420px;overflow:visible;width:100%}.onboarding-inline .onboarding-header{border-bottom:none;padding:0 0 4px;text-align:center}.onboarding-inline .onboarding-header h2{color:#1ab4d9;font-size:1.35rem;font-weight:600}.onboarding-inline .onboarding-content{overflow:visible;padding:4px 0}.onboarding-inline .onboarding-footer{padding:20px 0 0}.onboarding-inline .onboarding-button{background:#1ab4d938;border:none;border-radius:10px;color:#1ab4d9;font-size:15px;font-weight:600;min-width:180px;padding:12px 40px;transition:all .2s ease}.onboarding-inline .onboarding-button:hover:not(:disabled){background:#1ab4d952;transform:translateY(-1px)}.onboarding-inline .onboarding-button:disabled{cursor:not-allowed;opacity:.35;transform:none}.onboarding-inline .language-selection-section{margin-bottom:16px}.onboarding-inline .language-selection-section h3{color:#9ca3af;font-size:.85rem;font-weight:500;letter-spacing:.05em;margin-bottom:8px;text-transform:uppercase}.onboarding-inline .language-selector-wrapper{position:relative;z-index:10}.onboarding-inline .language-selector-wrapper.dropdown-open{z-index:10000}.onboarding-inline .language-selector{min-width:100%}.onboarding-inline .selected-language{align-items:center;background:#ffffff0a;border:1px solid #2d3748;border-radius:8px;display:flex;font-size:15px;justify-content:space-between;min-height:42px;padding:10px 14px}.onboarding-inline .selected-language:hover{background:#ffffff0f;border-color:#3d4f65}.onboarding-inline .language-select-text{color:#e2e4e9;flex:1 1;font-size:15px!important;font-weight:500!important;text-align:left!important}.onboarding-inline .selected-language .language-flag{border-radius:2px;flex-shrink:0;height:14px!important;margin-left:12px;width:20px!important}.onboarding-inline .selected-language .arrow{color:#6b7280;flex-shrink:0;font-size:9px;margin-left:8px}.onboarding-inline .onboarding-modal .language-dropdown{background:#1a2536!important;border:1px solid #2d3748!important;border-radius:8px;bottom:auto!important;box-shadow:0 12px 28px #00000073!important;left:0!important;max-height:220px!important;max-width:none!important;min-width:auto!important;position:absolute!important;right:auto!important;top:calc(100% + 4px)!important;transform:none!important;width:100%!important;z-index:10001!important}.onboarding-inline .language-search{background:#ffffff0d;border-color:#2d3748;color:#e2e4e9;font-size:13px;padding:7px 10px}.onboarding-inline .language-option{align-items:center;color:#d1d5db;display:flex;font-size:14px;justify-content:space-between;padding:8px 14px}.onboarding-inline .language-option .language-name{flex:1 1;text-align:left}.onboarding-inline .language-option:hover{background:#1ab4d914}.onboarding-inline .language-option.selected{color:#1ab4d9}.onboarding-inline .language-option .language-flag{flex-shrink:0;height:14px;margin-left:12px;width:20px}.onboarding-inline .cefr-level-option{border-color:#2d3748;border-radius:8px;color:#e2e4e9;padding:10px 14px}.onboarding-inline .cefr-level-option:hover{background:#1ab4d90f;border-color:#1ab4d966}.onboarding-inline .cefr-level-option.selected{background:#1ab4d91a;border-color:#1ab4d9}.onboarding-inline .cefr-level-title{color:#e2e4e9;font-size:14px}.onboarding-inline .cefr-level-description{color:#6b7280;font-size:12px}.onboarding-inline .goal-option{border-color:#2d3748;color:#e2e4e9}.onboarding-inline .goal-option:hover{background:#1ab4d90f;border-color:#1ab4d966}.onboarding-inline .assessment-option{border-top-color:#2d3748}.onboarding-inline .assessment-button{border-color:#1ab4d959;color:#1ab4d9;font-size:13px;padding:8px 18px}.onboarding-inline-progress{background-color:#1ab4d91f;border-radius:2px;height:3px;margin:0 auto 24px;max-width:420px;overflow:hidden;width:100%}.onboarding-inline-progress-fill{background-color:#1ab4d9;border-radius:2px;height:100%;transition:width .4s ease}.onboarding-modal{animation:fade-in .3s ease-out;background-color:#1a2536;border-radius:12px;box-shadow:0 8px 30px #0000004d;display:flex;flex-direction:column;height:550px;max-width:500px;overflow:hidden;position:relative;width:90%}.level-assessment-container{background-color:#0d1520}.level-assessment-modal{background:#0000;box-shadow:none;height:550px;max-width:600px;overflow:visible;padding:0}.level-assessment-modal .onboarding-header{padding-bottom:16px}@keyframes fade-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.onboarding-header{border-bottom:1px solid #2d3748;padding:24px;text-align:center}.onboarding-header h2{color:#1ab4d9;font-size:1.5rem;font-weight:600;margin:0 0 8px}.onboarding-header p{color:#d1d5db;font-size:.95rem;margin:0}.onboarding-content{flex:1 1;min-height:0;overflow-y:auto;padding:20px 24px}.language-selection-section{margin-bottom:24px}.language-selection-section h3{color:#f3f4f6;font-size:1rem;font-weight:500;margin:0 0 12px}.language-selector-wrapper{position:relative;width:100%;z-index:10}.language-selector-wrapper.dropdown-open{z-index:10000}.onboarding-modal:has(.language-selector.dropdown-open){overflow:visible!important}.onboarding-container:has(.language-selector.dropdown-open){overflow:visible!important}.selection-error{color:#ef4444;font-size:.85rem;margin-top:12px;text-align:center}.onboarding-footer{display:flex;flex-shrink:0;justify-content:center;padding:16px 24px 24px}.onboarding-button{background-color:#1ab4d9;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:1rem;font-weight:500;min-width:120px;padding:12px 24px;position:relative;transition:background-color .2s}.onboarding-button:hover{background-color:#159cc0}.onboarding-button:disabled{background-color:#94d3e5;cursor:not-allowed}.onboarding-button.loading{background-color:#1ab4d9;color:#0000}.onboarding-button.loading:after{animation:button-loading-spinner 1s linear infinite;border:3px solid #ffffff4d;border-radius:50%;border-top-color:#fff;content:"";height:20px;left:50%;margin:-10px 0 0 -10px;position:absolute;top:50%;width:20px}@keyframes button-loading-spinner{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.dark-theme .onboarding-modal{background-color:#1a2536;color:#f3f4f6}.dark-theme .onboarding-header{border-bottom-color:#2d3748}.dark-theme .onboarding-header h2{color:#1ab4d9}.dark-theme .onboarding-header p{color:#d1d5db}.dark-theme .language-selection-section h3{color:#f3f4f6}.dark-theme .selection-error{color:#f87171}@media (max-width:768px){.onboarding-modal{height:500px;overflow:hidden;width:95%}.onboarding-modal:has(.language-selector.dropdown-open){overflow:visible!important}.onboarding-header h2{font-size:1.3rem}.onboarding-content{max-height:380px;overflow-x:hidden;overflow-y:auto;padding:16px}.cefr-levels-container{max-height:160px}}.daily-goals-container{max-height:230px;overflow-y:auto;padding-right:8px}.daily-goals-container,.daily-goals-options{display:flex;flex-direction:column;gap:6px;width:100%}.goal-option{align-items:center;background-color:initial;border:1px solid #e5e7eb;border-radius:8px;color:#374151;cursor:pointer;display:flex;font-size:16px;font-weight:500;justify-content:center;padding:16px;text-align:center;transition:all .2s ease;width:100%}.goal-option:hover{background-color:#1ab4d90d;border-color:#1ab4d9}.goal-option.selected{background-color:#1ab4d91a;border-color:#1ab4d9}.current-goal{display:none}.dark-theme .goal-option{border-color:#374151;color:#e2e4e9}.dark-theme .goal-option:hover{background-color:#1ab4d91a;border-color:#52b8d1}.dark-theme .goal-option.selected{background-color:#1ab4d926;border-color:#52b8d1}.cefr-levels-container{display:flex;flex-direction:column;gap:6px;max-height:200px;overflow-y:auto;padding-right:8px;scrollbar-color:#1ab4d94d #0000;scrollbar-width:thin;width:100%}.cefr-levels-container::-webkit-scrollbar{width:6px}.cefr-levels-container::-webkit-scrollbar-track{background:#0000}.cefr-levels-container::-webkit-scrollbar-thumb{background-color:#1ab4d94d;border-radius:6px}.cefr-levels-container::-webkit-scrollbar-thumb:hover{background-color:#1ab4d980}.cefr-level-option{align-items:flex-start;background-color:initial;border:1px solid #e5e7eb;border-radius:8px;cursor:pointer;display:flex;flex-direction:column;flex-shrink:0;padding:8px 12px;text-align:left;transition:all .2s ease;width:100%}.cefr-level-option:hover{background-color:#1ab4d90d;border-color:#1ab4d9}.cefr-level-option.selected{background-color:#1ab4d91a;border-color:#1ab4d9}.cefr-level-title{color:#374151;font-size:15px;font-weight:600;margin-bottom:2px}.cefr-level-description{color:#6b7280;font-size:13px}.dark-theme .cefr-level-option{border-color:#374151}.dark-theme .cefr-level-option:hover{background-color:#1ab4d91a;border-color:#52b8d1}.dark-theme .cefr-level-option.selected{background-color:#1ab4d926;border-color:#52b8d1}.dark-theme .cefr-level-title{color:#e2e4e9}.dark-theme .cefr-level-description{color:#9ca3af}.assessment-option{border-top:1px solid #e5e7eb;margin-top:12px;padding-top:10px;text-align:center}.assessment-option p{color:#6b7280;font-size:14px;margin:0 0 8px}.assessment-button{background-color:initial;border:1px solid #1ab4d9;border-radius:6px;color:#1ab4d9;cursor:pointer;font-size:14px;font-weight:500;padding:10px 16px;transition:all .2s ease}.assessment-button:hover{background-color:#1ab4d91a}.dark-theme .assessment-option{border-top-color:#374151}.dark-theme .assessment-option p{color:#9ca3af}.dark-theme .assessment-button{border-color:#52b8d1;color:#52b8d1}.dark-theme .assessment-button:hover{background-color:#1ab4d926}.final-setup-loader-bg{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background-color:#000000d9}.final-setup-modal{background:#1a2536;border:1px solid #2d3748;box-shadow:0 10px 25px #0000004d;max-width:500px;padding:20px 25px}.final-setup-modal .onboarding-header{margin-bottom:10px;padding-bottom:15px}.final-setup-modal .onboarding-header h2{align-items:center;display:flex;font-size:22px;margin-bottom:0}.final-setup-modal .onboarding-header h2 svg{fill:#52b8d1;height:24px;margin-right:12px;width:24px}.final-setup-list{list-style:none;margin:0 0 20px;padding:0}.final-setup-list li{align-items:flex-start;border-bottom:1px solid #222c3e;display:flex;margin-bottom:15px;padding-bottom:15px}.final-setup-list li:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.final-setup-list .list-number{align-items:center;background-color:#52b8d1;border-radius:50%;color:#0a111a;display:flex;flex-shrink:0;font-size:14px;font-weight:700;height:28px;justify-content:center;margin-right:15px;width:28px}.final-setup-list strong{color:#e2e4e9;display:block;font-size:16px;margin-bottom:5px}.final-setup-list p{color:#a0aec0;font-size:14px;line-height:1.5;margin:0}.final-setup-byline{color:#718096;font-size:13px;font-style:italic;margin-bottom:15px;margin-top:10px;text-align:center}.final-setup-loading-text{color:#a0aec0;font-size:14px;margin-bottom:15px;text-align:center}.loader{animation:spin 1s linear infinite;border:4px solid #f3f3f3;border-radius:50%;border-top-color:#52b8d1;height:36px;margin:20px auto;width:36px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.progress-bar-container{padding:20px 20px 0;text-align:center}.progress-bar{background-color:#52b8d133;border-radius:2px;height:4px;margin-bottom:8px;overflow:hidden}.progress-bar-fill{background-color:#52b8d1;border-radius:2px;height:100%;transition:width .3s ease}.progress-text{color:#d1d5db;font-size:12px;margin-bottom:12px}.onboarding-progress-container{background-color:#1ab4d91a;height:4px;left:0;position:fixed;right:0;top:0;z-index:100}.onboarding-progress-bar{height:100%;overflow:hidden;width:100%}.onboarding-progress-fill{background-color:#1ab4d9;height:100%;transition:width .3s ease}.section-header{margin-bottom:3rem;text-align:center}.section-header h2{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#1ab4d9,#0891b2);-webkit-background-clip:text;background-clip:text;font-size:2.5rem;font-weight:700;margin-bottom:1rem}.section-subtitle{color:#64748b;color:var(--secondary-text-color,#64748b);font-size:1.2rem;line-height:1.6;margin:0 auto;max-width:600px}.enhanced-benefit-card{background:#fff;background:var(--card-bg-color,#fff);border:1px solid #e2e8f0;border:1px solid var(--border-color,#e2e8f0);border-radius:16px;box-shadow:0 4px 20px #00000014;cursor:pointer;overflow:hidden;padding:2rem;position:relative;transition:all .3s ease}.enhanced-benefit-card:hover{border-color:#1ab4d9;border-color:var(--primary-color,#1ab4d9);box-shadow:0 12px 40px #1ab4d926;transform:translateY(-8px)}.enhanced-benefit-card .benefit-highlight{background:linear-gradient(90deg,#1ab4d9,#0891b2);height:4px;left:0;position:absolute;right:0;top:0;transform:scaleX(0);transition:transform .3s ease}.enhanced-benefit-card:hover .benefit-highlight{transform:scaleX(1)}.enhanced-icon{align-items:center;border-radius:16px;display:flex;height:64px;justify-content:center;margin:0 auto 1.5rem;position:relative;transition:all .3s ease;width:64px}.enhanced-icon,.enhanced-icon:before{background:linear-gradient(135deg,#1ab4d9,#0891b2)}.enhanced-icon:before{border-radius:18px;content:"";inset:-2px;opacity:0;position:absolute;transition:opacity .3s ease;z-index:-1}.enhanced-benefit-card:hover .enhanced-icon:before{opacity:.2}.enhanced-icon svg{stroke-width:2.5;color:#fff;height:32px;width:32px}.benefit-content{text-align:center}.benefit-title{color:#1e293b;color:var(--primary-text-color,#1e293b);font-size:1.25rem;font-weight:700;line-height:1.4;margin-bottom:.75rem}.benefit-description{color:#64748b;color:var(--secondary-text-color,#64748b);font-size:1rem;line-height:1.6;margin:0}.benefits-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-top:3rem}[data-theme=dark] .enhanced-benefit-card{background:#1e293b;background:var(--secondary-bg-color,#1e293b);border-color:#374151;border-color:var(--border-color,#374151)}[data-theme=dark] .enhanced-benefit-card:hover{border-color:#1ab4d9;box-shadow:0 12px 40px #1ab4d940}[data-theme=dark] .benefit-title{color:#f8fafc;color:var(--primary-text-color,#f8fafc)}[data-theme=dark] .benefit-description,[data-theme=dark] .section-subtitle{color:#94a3b8;color:var(--secondary-text-color,#94a3b8)}@media (max-width:768px){.section-header h2{font-size:2rem}.section-subtitle{font-size:1.1rem;padding:0 1rem}.enhanced-benefit-card{padding:1.5rem}.benefits-grid{gap:1.5rem;grid-template-columns:1fr;margin-top:2rem}.enhanced-icon{height:56px;width:56px}.enhanced-icon svg{height:28px;width:28px}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.enhanced-benefit-card{animation:fadeInUp .6s ease forwards}.enhanced-benefit-card:first-child{animation-delay:.1s}.enhanced-benefit-card:nth-child(2){animation-delay:.2s}.enhanced-benefit-card:nth-child(3){animation-delay:.3s}.enhanced-benefit-card:nth-child(4){animation-delay:.4s}:root{--accent-color:#1ab4d9;--accent-color-hover:#15a0c2;--text-color:#f3f4f6;--secondary-text:#a0aec0;--bg-color:#101827;--card-bg:#1f2937;--border-color:#374151;--hover-bg:#2d3748;--button-primary:#4299e1;--button-primary-text:#fff;--button-success:#48bb78;--button-success-text:#fff;--section-bg-light:#f9fafb;--section-bg-dark:#1a2235;--ghibli-accent:#6adcff80;--ghibli-accent-soft:#6adcff33;--success-bg:#22c55e26;--success-color:#22c55e;--error-bg:#ef444426;--error-color:#ef4444}.landing-page{background-attachment:fixed;background-color:#101827;background-color:var(--bg-color);background-image:radial-gradient(circle at 80% 10%,#1ab4d926 0,#0000 60%),radial-gradient(circle at 20% 90%,#1ab4d91a 0,#0000 60%),radial-gradient(circle at 50% 50%,#101827 0,#1a2235 100%);background-image:radial-gradient(circle at 80% 10%,#1ab4d926 0,#0000 60%),radial-gradient(circle at 20% 90%,#1ab4d91a 0,#0000 60%),radial-gradient(circle at 50% 50%,var(--bg-color) 0,var(--section-bg-dark) 100%);color:#f3f4f6;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;overflow-x:hidden;position:relative}.landing-page:before{background:linear-gradient(180deg,#1ab4d908,#0000);bottom:0;content:"";left:0;pointer-events:none;position:fixed;right:0;top:0}.landing-header{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:linear-gradient(180deg,#101827f2,#101827d9);border-bottom:1px solid #ffffff1a;padding:1rem 2rem;position:sticky;top:0;z-index:100}.landing-nav{justify-content:space-between;margin:0 auto;max-width:1200px}.landing-nav,.logo{align-items:center;display:flex}.logo{cursor:pointer}.app-name{-webkit-text-fill-color:#0000;background:linear-gradient(90deg,#fff,#1ab4d9);background:linear-gradient(90deg,#fff 0,var(--accent-color) 100%);-webkit-background-clip:text;background-clip:text;font-size:1.75rem;font-weight:700}.app-name span{color:inherit}.landing-page .app-name{-webkit-text-fill-color:unset;background:none;-webkit-background-clip:unset;background-clip:initial;color:#fff}.landing-page .app-name span{color:#fff}.nav-buttons{display:flex;gap:1rem}.nav-button{background:none;border:1px solid #fff3;border-radius:.5rem;color:#fff;cursor:pointer;font-size:1rem;font-weight:500;padding:.5rem 1.25rem;transition:all .2s ease}.nav-button:hover{background-color:#ffffff1a}.primary-button{background-color:#1ab4d9;background-color:var(--accent-color);border:none;color:#fff}.primary-button:hover{background-color:#15a0c2;background-color:var(--accent-color-hover)}.secondary-button:hover{background-color:#ffffff1a;border-color:#fff6}.hero{align-items:center;display:flex;gap:4rem;margin:1rem auto;max-width:1200px;padding:2rem}.hero-content{display:flex;flex:1 1;flex-direction:column;justify-content:center}.hero h1{-webkit-text-fill-color:#0000;background:linear-gradient(90deg,#fff,#1ab4d9);background:linear-gradient(90deg,#fff 0,var(--accent-color) 100%);-webkit-background-clip:text;font-size:3rem;font-weight:800;line-height:1.2;margin-bottom:1rem;text-shadow:0 0 30px #6adcff33;text-shadow:0 0 30px var(--ghibli-accent-soft)}.hero h2{color:#a0aec0;font-size:1.5rem;font-weight:600;margin-bottom:1.5rem}.hero-description{color:#cbd5e0;font-size:1.125rem;margin-bottom:2rem}.hero-signup .email-signup-form{margin-bottom:0}.hero-signup .form-message{font-size:.875rem;margin-bottom:0;margin-top:.75rem;padding:.5rem}.cta-button{background-color:#1ab4d9;background-color:var(--accent-color);border:none;border-radius:.5rem;color:#fff;cursor:pointer;font-size:1.125rem;font-weight:600;overflow:hidden;padding:.75rem 2rem;position:relative;transition:all .2s ease;z-index:1}.cta-button:before{background:linear-gradient(90deg,#0000,#fff3,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:all .6s ease;width:100%;z-index:-1}.cta-button:hover{background-color:#15a0c2;background-color:var(--accent-color-hover);box-shadow:0 4px 15px #1ab4d966;transform:translateY(-2px)}.cta-button:hover:before{left:100%}.hero-image{align-items:center;display:flex;flex:1 1;position:relative}.hero-image img{border-radius:1rem;box-shadow:0 20px 25px -5px #0000004d,0 10px 10px -5px #0003;image-rendering:-webkit-optimize-contrast;image-rendering:optimize-contrast;transform:translateZ(0);width:100%}.ghibli-style-image{border:2px solid #ffffff1a;border-radius:8px;filter:drop-shadow(0 0 10px rgba(106,220,255,.3));position:relative;transition:all .5s ease;will-change:transform,filter}.ghibli-style-image:hover{filter:drop-shadow(0 0 15px rgba(106,220,255,.5));transform:scale(1.02)}.audience-card .ghibli-style-image{height:220px}.landing-page:after{background:linear-gradient(180deg,#0000,#0000 40%,#10182733 45%,#10182780 55%,#1a2235b3 75%,#1a2235e6);bottom:0;content:"";left:0;pointer-events:none;position:absolute;right:0;top:0;z-index:-1}.features{margin:0 auto;max-width:1200px;padding:5rem 2rem;position:relative;text-align:center}.features h2{color:#fff;font-size:2.25rem;font-weight:700;margin-bottom:3rem}.feature-items-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));text-align:left}.feature-item{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#ffffff14;border:1px solid #fff3;border-radius:1rem;box-shadow:0 8px 20px #0000004d;padding:2rem;transition:transform .3s ease,box-shadow .3s ease}.feature-item:hover{box-shadow:0 10px 15px #0000004d;transform:translateY(-5px)}.feature-icon{align-items:center;background-color:#1ab4d9;background-color:var(--accent-color);border-radius:.75rem;box-shadow:0 4px 12px #1ab4d966;display:flex;height:3.5rem;justify-content:center;margin-bottom:1.5rem;overflow:hidden;position:relative;width:3.5rem}.feature-icon:after{background:radial-gradient(circle,#6adcff33 0,#0000 70%);background:radial-gradient(circle,var(--ghibli-accent-soft) 0,#0000 70%);content:"";height:200%;left:-50%;opacity:0;position:absolute;top:-50%;transition:opacity .3s ease;width:200%}.feature-item:hover .feature-icon:after{opacity:1}.feature-icon svg{color:#fff;height:1.75rem;width:1.75rem}.feature-item h3{-webkit-text-fill-color:#0000;animation:gradient-shift 6s ease-in-out infinite;background:linear-gradient(135deg,#fff,#00d4ff);-webkit-background-clip:text;background-clip:text;background-size:300% 300%;font-size:1.25rem;font-weight:700;margin-bottom:1rem;text-shadow:0 0 20px #00d4ff4d}@keyframes gradient-shift{0%,to{background-position:0 50%}50%{background-position:100% 50%}}.feature-item p{color:#cbd5e0;margin-bottom:1rem}.feature-item ul{list-style-type:none;padding-left:0}.feature-item li{color:#cbd5e0;margin-bottom:.5rem;padding-left:1.5rem;position:relative}.feature-item li:before{color:#1ab4d9;color:var(--accent-color);content:"✓";font-weight:700;left:0;position:absolute}.avatar-method-section{margin:0 auto;max-width:1200px;padding:5rem 2rem;position:relative}.avatar-method-content{grid-gap:4rem;align-items:start;display:grid;gap:4rem;grid-template-columns:1fr 1fr;min-height:400px}.left-column,.right-column{display:flex;flex-direction:column;gap:2rem}.avatar-container{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(135deg,#1ab4d91a,#0f7a8c1a);border:2px solid #ffffff1a;border-radius:20px;box-shadow:0 8px 32px #1ab4d933;display:flex;height:300px;justify-content:center;padding:2rem;position:relative}.avatar-container:before{animation:pulse 4s ease-in-out infinite;background:radial-gradient(circle,#1ab4d91a 0,#0000 70%);content:"";height:200%;left:-50%;position:absolute;top:-50%;width:200%}@keyframes pulse{0%,to{opacity:.5;transform:scale(1)}50%{opacity:.8;transform:scale(1.05)}}.method-text{display:flex;flex-direction:column;text-align:center}.method-text h2{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#fff,#1ab4d9);-webkit-background-clip:text;background-clip:text;color:#fff;font-size:1.75rem;font-weight:700;margin-bottom:2rem;text-shadow:0 0 20px #1ab4d94d}.method-description{color:#cbd5e0;font-size:1.25rem;line-height:1.8;margin:0 auto;max-width:600px}.chatgpt-comparison{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(135deg,#1ab4d914,#0f7a8c14);border:2px solid #ffffff1a;border-radius:20px;box-shadow:0 8px 32px #1ab4d91a;display:flex;flex-direction:column;height:300px;justify-content:center;padding:2rem}.comparison-description{color:#e2e8f0;font-size:1.125rem;line-height:1.7;margin-bottom:1.5rem;text-align:left}.comparison-description:last-child{margin-bottom:0}.comparison-description strong{color:#1ab4d9;font-weight:600}@media (max-width:900px){.avatar-method-content{gap:3rem;grid-template-columns:1fr;min-height:auto}.left-column{order:1}.right-column{order:2}.avatar-container{height:250px;margin:0 auto;max-width:350px}.method-text h2{font-size:1.5rem}.chatgpt-comparison{height:250px;padding:1.5rem}}.audience{margin:0 auto;max-width:1200px;padding:5rem 2rem;position:relative}.audience h2{color:#fff;font-size:2.25rem;font-weight:700;margin-bottom:3rem;text-align:center}.audience-cards{display:flex;flex-direction:row;gap:1.5rem;justify-content:space-between;width:100%}.audience-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#ffffff14;border:1px solid #fff3;border-radius:1rem;box-shadow:0 8px 20px #0000004d;display:flex;flex:1 1;flex-direction:column;overflow:hidden;transition:transform .3s ease}.audience-card:hover{transform:translateY(-5px)}.audience-card h3{color:#fff;font-size:1.25rem;font-weight:700;padding:1.5rem 1.5rem .5rem}.audience-subtitle{color:#1ab4d9;color:var(--accent-color);font-size:1.125rem;font-weight:600;margin:0;padding:0 1.5rem .5rem;text-shadow:0 0 10px #6adcff33;text-shadow:0 0 10px var(--ghibli-accent-soft)}.audience-card p{color:#cbd5e0;flex-grow:1;padding:0 1.5rem 1.5rem}.audience-card .ghibli-style-image{height:200px;margin-top:auto;object-fit:cover;object-position:center;width:100%}.how-it-works{padding:5rem 2rem;position:relative}.how-it-works h2{color:#fff;font-size:2.25rem;font-weight:700;margin-bottom:3rem;text-align:center}.steps{margin:0 auto;max-width:800px}.step{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#ffffff14;border:1px solid #fff3;border-radius:.75rem;box-shadow:0 8px 20px #0000004d;margin-bottom:1.5rem;padding:1.5rem}.step,.step-number{align-items:center;display:flex}.step-number{background-color:#1ab4d9;background-color:var(--accent-color);border-radius:50%;box-shadow:0 0 15px #6adcff33;box-shadow:0 0 15px var(--ghibli-accent-soft);color:#fff;flex-shrink:0;font-size:1.25rem;font-weight:700;height:2.5rem;justify-content:center;margin-right:1.5rem;width:2.5rem}.step p{color:#f3f4f6;font-size:1.125rem;margin:0}.progress-tracking{align-items:center;display:flex;gap:4rem;margin:0 auto;max-width:1200px;padding:5rem 2rem;position:relative}.progress-content{flex:1 1}.progress-content h2{color:#fff;font-size:2.25rem;font-weight:700;margin-bottom:1.5rem}.progress-content p{color:#cbd5e0;font-size:1.125rem;margin-bottom:2rem}.progress-metrics{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(2,1fr);margin-bottom:2rem}.metric{align-items:center;display:flex;gap:1rem}.metric-icon{font-size:1.5rem}.metric-text{color:#f3f4f6;font-weight:500}.progress-footer{color:#1ab4d9!important;color:var(--accent-color)!important;font-weight:600}.progress-image{flex:1 1;max-width:500px}.progress-image img{border-radius:1rem;box-shadow:0 20px 25px -5px #0000004d,0 10px 10px -5px #0003;height:350px;object-fit:cover;width:100%}.progress-image .ghibli-style-image{border:2px solid #ffffff1a;filter:drop-shadow(0 0 10px rgba(106,220,255,.3));height:350px;object-fit:cover;transition:all .5s ease}.progress-image .ghibli-style-image:hover{filter:drop-shadow(0 0 15px rgba(106,220,255,.5));transform:scale(1.02)}.differentiators{padding:5rem 2rem;position:relative;text-align:center}.differentiators h2{color:#fff;font-size:2.25rem;font-weight:700;margin-bottom:3rem}.differentiators-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin:0 auto;max-width:1200px}.differentiator{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#ffffff14;border:1px solid #fff3;border-radius:1rem;box-shadow:0 8px 20px #0000004d;padding:2rem;transition:transform .3s ease}.differentiator:hover{transform:translateY(-5px)}.differentiator-icon{font-size:2.5rem;margin-bottom:1rem}.differentiator p{color:#cbd5e0;margin:0}.cta-section{padding:5rem 2rem;position:relative;text-align:center}.cta-section h2{color:#fff;font-size:2.25rem;font-weight:700;margin-bottom:1.5rem}.cta-section p{color:#cbd5e0;font-size:1.25rem;margin-bottom:2.5rem}.email-signup-container{margin:0 auto;max-width:600px}.email-signup-form{display:flex;flex-direction:row;gap:1rem;margin-bottom:1.5rem;position:relative;width:100%}.email-input{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#ffffff14;border:1px solid #fff3;border-radius:.5rem;color:#fff;flex:1 1;font-size:1rem;padding:.75rem 1.25rem;transition:all .2s ease}.email-input:focus{border-color:#1ab4d9;border-color:var(--accent-color);box-shadow:0 0 0 2px #1ab4d94d;outline:none}.email-input::placeholder{color:#ffffff80}.form-message{animation:fadeIn .3s ease-in;border-radius:.5rem;font-weight:500;margin-bottom:1.5rem;padding:.75rem;text-align:center}.form-message.success{background-color:#22c55e26;border:1px solid #22c55e4d;color:#22c55e}.form-message.error{background-color:#ef444426;border:1px solid #ef44444d;color:#ef4444}.email-signup-note{color:#ffffffb3!important;font-size:.875rem!important;margin-bottom:0!important;margin-top:0!important;text-align:center}.auth-note{display:inline-block;margin-top:.75rem}.text-button{background:none;border:none;color:#1ab4d9;color:var(--accent-color);cursor:pointer;font-size:inherit;font-weight:600;margin:0;padding:0;transition:color .2s ease}.text-button:hover{color:#15a0c2;color:var(--accent-color-hover);text-decoration:underline}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:640px){.email-signup-form{flex-direction:column}.cta-section .cta-button,.email-input{width:100%}}.faq-section{padding:5rem 2rem;position:relative}.faq-section h2{color:#fff;font-size:2.25rem;font-weight:700;margin-bottom:3rem;text-align:center}.faq-items{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(450px,1fr));margin:0 auto;max-width:1000px;padding:0 2rem}.faq-item{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#ffffff14;border:1px solid #fff3;border-radius:1rem;box-shadow:0 8px 20px #0000004d;padding:1.5rem 2rem;transition:transform .3s ease,box-shadow .3s ease}.faq-item:hover{box-shadow:0 10px 15px #0000004d;transform:translateY(-5px)}.faq-item h3{color:#1ab4d9;color:var(--accent-color);font-size:1.25rem;font-weight:600;margin-bottom:1rem}.faq-item p{color:#cbd5e0;line-height:1.6;margin:0}@media (max-width:768px){.faq-items{grid-template-columns:1fr}}.landing-footer{background:linear-gradient(180deg,#101827,#0f172a);background:linear-gradient(180deg,var(--bg-color) 0,#0f172a 100%);color:#fff;padding:5rem 2rem 2rem;position:relative}.landing-footer:before{background:inherit;bottom:0;content:"";left:-9999px;position:absolute;right:-9999px;top:0;z-index:-1}.footer-content{border-bottom:1px solid #ffffff1a;display:flex;justify-content:space-between;margin:0 auto;max-width:1200px;padding-bottom:3rem}.footer-logo{flex:1 1}.footer-logo .app-name{-webkit-text-fill-color:#0000;background:linear-gradient(90deg,#fff,#1ab4d9);background:linear-gradient(90deg,#fff 0,var(--accent-color) 100%);-webkit-background-clip:text;background-clip:text;display:inline-block;font-size:1.75rem;margin-bottom:1rem}.footer-logo p{color:#ffffffb3;max-width:300px}.footer-links{display:flex;gap:4rem}.footer-column h4{color:#fff;font-size:1.125rem;font-weight:600;margin-bottom:1.5rem}.footer-column ul{list-style-type:none;margin:0;padding:0}.footer-column li{margin-bottom:.75rem}.footer-column a{color:#ffffffb3;text-decoration:none;transition:color .2s ease}.footer-column a:hover{color:#fff}.footer-column .footer-link{background:none;border:none;color:#ffffffb3;cursor:pointer;font:inherit;font-size:inherit;padding:0;text-align:left;text-decoration:none;transition:color .2s ease}.footer-column .footer-link:hover{color:#fff}.footer-bottom{color:#ffffff80;font-size:.875rem;margin:2rem auto 0;max-width:1200px;text-align:center}.auth-modal{align-items:center;box-sizing:border-box;display:flex;justify-content:center;padding:16px;z-index:1000}.auth-modal,.auth-modal-backdrop{height:100vh;left:0;position:fixed;top:0;width:100vw}.auth-modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#000000b3}.auth-modal-content{box-sizing:border-box;max-width:400px;position:relative;width:100%;z-index:1}.auth-modal-close{background:none;border:none;color:#a0aec0;color:var(--secondary-text);cursor:pointer;font-size:1.5rem;line-height:1;position:absolute;right:.75rem;top:.75rem;z-index:10}@media (max-width:900px){.hero,.progress-tracking{flex-direction:column;gap:2rem;text-align:center}.hero h1{font-size:2.5rem}.footer-content{flex-direction:column;gap:3rem}.footer-links{justify-content:space-between;width:100%}.audience-cards{flex-direction:column}.audience-card{width:100%}.audience-card .ghibli-style-image{height:220px}.nav-buttons{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:flex-end}.nav-button{font-size:.875rem;padding:.5rem 1rem}.progress-tracking{flex-direction:column;gap:2rem;text-align:center}.progress-image{margin:0 auto;max-width:600px;width:100%}.progress-image .ghibli-style-image,.progress-image img{height:300px}}@media (max-width:768px){.landing-nav{flex-direction:column;gap:1rem}.nav-buttons{justify-content:center;width:100%}}@media (max-width:600px){.hero h1{font-size:2rem}.footer-links{flex-direction:column;gap:2rem}.progress-metrics{grid-template-columns:1fr}.progress-image .ghibli-style-image,.progress-image img{height:250px}.languages-grid{gap:.5rem;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.language-section-title{font-size:1.3rem}.language-card{font-size:.85rem;min-height:40px;padding:.625rem .875rem}.language-search-input{font-size:.9rem}.expand-button{font-size:.875rem;padding:.625rem 1.25rem}.expand-icon{height:18px;width:18px}}.structured-data{display:none}.languages-supported{margin:0 auto;max-width:100%;overflow:hidden;padding:3rem 0;position:relative;text-align:center;width:100%}.languages-supported h2{color:#fff;font-size:2.25rem;font-weight:700;margin-bottom:2.5rem}.languages-intro{color:#fffc;font-size:1.1rem;line-height:1.5;margin:0;max-width:600px;text-align:center}.language-search-container{align-items:center;display:flex;flex-direction:column;gap:1.5rem;margin:2rem auto 3rem;max-width:1200px;width:100%}.search-input-wrapper{margin:0 auto;max-width:350px;position:relative;width:100%}.search-icon{color:#a0aec0;height:20px;left:12px;pointer-events:none;position:absolute;top:50%;transform:translateY(-50%);width:20px}.language-search-input{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);background:linear-gradient(135deg,#1ab4d926,#1ab4d914);border:2px solid #1ab4d9;border:2px solid var(--accent-color);border-radius:25px;box-shadow:0 10px 30px #1ab4d933,0 4px 12px #0000004d,inset 0 1px 0 #ffffff1a;box-sizing:border-box;color:#fff;font-size:1rem;padding:14px 14px 14px 44px;position:relative;text-align:left;transition:all .3s ease;width:100%}.language-search-input:focus{background:linear-gradient(135deg,#1ab4d933,#1ab4d91f);border-color:#1ab4d9;border-color:var(--accent-color);box-shadow:0 12px 35px #1ab4d94d,0 0 0 3px #1ab4d926,inset 0 1px 0 #fff3;outline:none;transform:translateY(-2px)}.language-search-input::placeholder{color:#ffffffb3;font-weight:400}.language-carousel-container{margin:2rem auto;overflow-x:auto;overflow-y:hidden;padding:1rem 0;scrollbar-color:#1ab4d980 #ffffff1a;scrollbar-width:thin;width:100%}.language-carousel-container.indian-carousel{margin:1rem auto 2rem;position:relative}.language-carousel-container.indian-carousel:before{background:linear-gradient(90deg,#0000,#1ab4d9,#0000);background:linear-gradient(90deg,#0000,var(--accent-color),#0000);content:"";height:2px;left:50%;opacity:.6;position:absolute;top:-.5rem;transform:translateX(-50%);width:60px}.language-carousel-container::-webkit-scrollbar{height:8px}.language-carousel-container::-webkit-scrollbar-track{background:#ffffff1a;border-radius:4px}.language-carousel-container::-webkit-scrollbar-thumb{background:#1ab4d980;border-radius:4px;-webkit-transition:background .3s ease;transition:background .3s ease}.language-carousel-container::-webkit-scrollbar-thumb:hover{background:#1ab4d9b3}.language-carousel{width:100%}.language-carousel-track{animation:scroll-languages 120s linear infinite;display:flex;gap:1.5rem;padding:0 2rem;width:max-content}.language-carousel-track.indian-track{animation:scroll-languages-reverse 120s linear infinite}.language-carousel-card{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff14;border:1px solid #fff3;border-radius:12px;box-shadow:0 4px 12px #0003;color:#fff;display:flex;flex-shrink:0;font-size:.95rem;font-weight:500;gap:.75rem;min-width:170px;padding:.75rem 1.25rem;text-decoration:none;transition:all .3s ease;white-space:nowrap}.language-carousel-card:hover{animation-play-state:paused;background:#1ab4d9;background:var(--accent-color);border-color:#1ab4d9;border-color:var(--accent-color);box-shadow:0 8px 25px #1ab4d966;color:#fff;text-decoration:none;transform:translateY(-3px)}.language-carousel-card.highlighted{animation:pulse-highlight 2s ease-in-out;background:#1ab4d9!important;background:var(--accent-color)!important;border-color:#1ab4d9!important;border-color:var(--accent-color)!important;border-width:2px;box-shadow:0 12px 30px #1ab4d999;color:#fff!important;transform:translateY(-3px) scale(1.05)}@keyframes pulse-highlight{0%,to{box-shadow:0 12px 30px #1ab4d999}50%{box-shadow:0 15px 35px #1ab4d9cc}}.language-carousel-card .language-flag-icon{border-radius:4px;flex-shrink:0;height:24px;width:24px}.language-carousel-card .language-name{flex:1 1;text-align:left}.language-carousel-container:hover .language-carousel-track{animation-play-state:paused}.language-carousel-container.search-active .language-carousel-track,.language-carousel-container.search-active .language-carousel-track.indian-track,.language-carousel-container.search-active:hover .language-carousel-track,.language-carousel-container.search-active:hover .language-carousel-track.indian-track{animation:none!important}@keyframes scroll-languages{0%{transform:translateX(0)}to{transform:translateX(-50%)}}@keyframes scroll-languages-reverse{0%{transform:translateX(-50%)}to{transform:translateX(0)}}@media (max-width:768px){.language-carousel-container{margin:1.5rem auto 2rem}.language-carousel-track{gap:1rem;padding:0 1rem}.language-carousel-card{font-size:.9rem;min-width:150px;padding:.65rem 1rem}.language-carousel-card .language-flag-icon{height:20px;width:20px}.language-search-container{gap:1.2rem;margin:1.8rem auto 2.5rem;padding:0 1rem}}@media (max-width:480px){.language-carousel-container{margin:1.2rem auto 1.5rem}.language-carousel-track{animation-duration:90s;gap:.75rem;padding:0 .5rem}.language-carousel-track.indian-track{animation-duration:90s}.language-carousel-card{font-size:.85rem;min-width:130px;padding:.6rem .9rem}.language-search-container{gap:1.2rem;margin:1.8rem auto 2.2rem;padding:0 1rem}.search-input-wrapper{max-width:350px}}.language-landing-page{background-color:#101827;background-color:var(--bg-color);color:#f3f4f6;color:var(--text-color)}.language-landing-page h1,.language-landing-page h2,.language-landing-page h3,.language-landing-page h4,.language-landing-page h5,.language-landing-page h6{color:#fff!important}.language-landing-page div,.language-landing-page p,.language-landing-page span{color:#f3f4f6!important;color:var(--text-color)!important}.language-landing-page li{color:#cbd5e0!important}.language-facts .language-info{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#ffffff14;border:1px solid #fff3;border-radius:1rem;color:#fff}.language-facts .language-info ul li{color:#cbd5e0!important}.language-facts .language-details p{color:#a0aec0!important}.hero-stats .stat{color:#fff}.hero-stats .stat strong{color:#fff!important}.hero-stats .stat span{color:#a0aec0!important}.final-cta{padding:5rem 2rem;position:relative;text-align:center}.final-cta h2{color:#fff!important;font-size:2.25rem;font-weight:700;margin-bottom:1.5rem}.final-cta p{color:#cbd5e0!important;font-size:1.125rem;margin-bottom:2rem}.cta-subtext{color:#a0aec0!important;font-size:.875rem;margin-top:1rem}.benefit-card p,.method-card p{color:#cbd5e0!important}.step-content h3{color:#fff!important}.step-content p{color:#cbd5e0!important}body .landing-page,body .language-landing-page{background-color:#101827;background-color:var(--bg-color)}.landing-page .language-details strong,.language-landing-page .language-details strong{color:#fff!important}.language-hero .hero-stats{display:flex;flex-wrap:wrap;gap:2rem;justify-content:center;margin:2rem 0}.language-hero .hero-stats .stat{flex:1 1;min-width:150px;text-align:center}.language-hero .hero-stats .stat strong{color:#fff!important;display:block;font-size:1.25rem;font-weight:700;margin-bottom:.25rem}.language-hero .hero-stats .stat span{color:#a0aec0!important;font-size:.875rem}.language-flag{margin-bottom:1rem}.hero-flag{border-radius:8px;box-shadow:0 4px 12px #0000004d;height:48px;width:48px}.landing-page p:not(.hero-description):not(.progress-footer):not(.cta-subtext),.language-landing-page p:not(.hero-description):not(.progress-footer):not(.cta-subtext){color:#f3f4f6!important;color:var(--text-color)!important}.landing-page ul li,.language-landing-page ul li{color:#cbd5e0!important}.landing-page .metric-text,.language-landing-page .metric-text{color:#a0aec0!important}.landing-page,.language-landing-page{color:#f3f4f6;color:var(--text-color)}.landing-page h1,.landing-page h2,.landing-page h3,.landing-page h4,.landing-page h5,.landing-page h6,.language-landing-page h1,.language-landing-page h2,.language-landing-page h3,.language-landing-page h4,.language-landing-page h5,.language-landing-page h6{color:#fff!important}.landing-page div:not(.hero-image):not(.progress-image),.landing-page p,.landing-page span,.language-landing-page div:not(.hero-image):not(.progress-image),.language-landing-page p,.language-landing-page span{color:#f3f4f6!important;color:var(--text-color)!important}.landing-page b,.landing-page em,.landing-page strong,.language-landing-page b,.language-landing-page em,.language-landing-page strong{color:#fff!important}.landing-page .audience-card *,.landing-page .faq-item *,.landing-page .feature-item *,.language-landing-page .audience-card *,.language-landing-page .faq-item *,.language-landing-page .feature-item *{color:inherit}[style*="color: var(--text-color)"]{color:#f3f4f6!important}.contact-form{gap:1.5rem}.contact-form,.contact-form-group{display:flex;flex-direction:column}.contact-form-label{color:#fff;display:block;font-weight:500;margin-bottom:.5rem}.contact-form-input,.contact-form-select,.contact-form-textarea{background-color:#ffffff0d;border:1px solid #fff3;border-radius:.5rem;color:#fff;font-family:inherit;font-size:1rem;padding:.75rem;width:100%}.contact-form-textarea{resize:vertical}.contact-form-input:focus,.contact-form-select:focus,.contact-form-textarea:focus{border-color:#1ab4d9;border-color:var(--accent-color);box-shadow:0 0 0 2px #1ab4d94d;outline:none}.contact-form-select option{background-color:#1f2937;background-color:var(--card-bg);color:#f3f4f6;color:var(--text-color)}.contact-submit-btn{align-self:center;min-width:200px}.founder-info{align-items:center;display:flex;flex-wrap:wrap;gap:2rem;margin-top:2rem}.founder-details{flex:1 1;min-width:300px}.founder-name{font-size:1.5rem;font-weight:700;margin-bottom:.5rem}.founder-name,.founder-role{color:#1ab4d9;color:var(--accent-color)}.founder-role{font-size:1.125rem;font-weight:600;margin-bottom:1rem}.founder-stats{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1rem}.founder-stat-row{align-items:center;display:flex;gap:.5rem}.founder-icon{color:#1ab4d9;color:var(--accent-color);font-size:1.25rem}.founder-text{color:#cbd5e0}.founder-desc{color:#cbd5e0;line-height:1.6}.founder-image-container{flex:0 0 300px}.founder-image{border:4px solid #1ab4d9;border:4px solid var(--accent-color);border-radius:50%;box-shadow:0 8px 20px #1ab4d94d;height:300px;object-fit:cover;transition:all .3s ease;width:300px}.founder-image:hover{box-shadow:0 12px 25px #1ab4d980;transform:scale(1.02)}@media (max-width:768px){.founder-info{flex-direction:column;text-align:center}.founder-stats{align-items:center}.founder-image-container{margin:0 auto}}.legal-page{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;min-height:100vh}.legal-content{min-height:calc(100vh - 200px);padding:2rem 0 4rem}.legal-content .container{margin:0 auto;max-width:800px;padding:0 2rem}.legal-content h1{color:#fff;font-size:2.5rem;font-weight:700;margin-bottom:1rem;text-align:center}.last-updated{color:#ffffffb3;font-style:italic;margin-bottom:3rem;text-align:center}.legal-content section{margin-bottom:2.5rem}.legal-content h2{border-bottom:2px solid #1ab4d94d;color:#1ab4d9;font-size:1.5rem;font-weight:600;margin-bottom:1rem;padding-bottom:.5rem}.legal-content h3{color:#fff;font-size:1.25rem;font-weight:600;margin:1.5rem 0 .75rem}.legal-content p{color:#ffffffe6;line-height:1.7;margin-bottom:1rem}.legal-content ul{margin:1rem 0;padding-left:1.5rem}.legal-content li{color:#ffffffe6;line-height:1.6;margin-bottom:.5rem}.legal-content a{color:#1ab4d9;text-decoration:none;transition:color .2s ease}.legal-content a:hover{color:#22d3ee;text-decoration:underline}@media (max-width:768px){.legal-content .container{padding:0 1rem}.legal-content h1{font-size:2rem}.legal-content h2{font-size:1.25rem}.legal-content h3{font-size:1.125rem}}.blog-page{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;min-height:100vh}.blog-content{min-height:calc(100vh - 200px);padding:2rem 0 4rem}.blog-content .container{margin:0 auto;max-width:1000px;padding:0 2rem}.blog-header{margin-bottom:4rem;text-align:center}.blog-header h1{color:#fff;font-size:2.5rem;font-weight:700;margin-bottom:1rem}.blog-header p{color:#fffc;font-size:1.25rem;margin:0 auto;max-width:600px}.blog-posts{grid-gap:2rem;display:grid;gap:2rem;margin-bottom:4rem}.blog-post-card{background:#1f2937b3;border:1px solid #ffffff1a;border-radius:12px;padding:2rem;transition:transform .3s ease,box-shadow .3s ease}.blog-post-card:hover{box-shadow:0 10px 25px #0000004d;transform:translateY(-5px)}.post-meta{align-items:center;display:flex;justify-content:space-between;margin-bottom:1rem}.category{background:#1ab4d933;border-radius:20px;color:#1ab4d9;font-size:.875rem;font-weight:500;padding:.25rem .75rem}.read-time{color:#fff9;font-size:.875rem}.blog-post-card h2{margin-bottom:1rem}.blog-post-card h2 a{color:#fff;font-size:1.5rem;font-weight:600;text-decoration:none;transition:color .2s ease}.blog-post-card h2 a:hover{color:#1ab4d9}.excerpt{color:#ffffffe6;line-height:1.6;margin-bottom:1.5rem}.post-footer{align-items:center;display:flex;justify-content:space-between;padding-top:1rem}.post-footer time{color:#fff9;font-size:.875rem}.read-more{color:#1ab4d9;font-weight:500;text-decoration:none;transition:color .2s ease}.read-more:hover{color:#22d3ee}.blog-cta{background:#1ab4d91a;border:1px solid #1ab4d933;border-radius:12px;padding:3rem 2rem;text-align:center}.blog-cta h2{color:#fff;font-size:2rem;font-weight:700;margin-bottom:1rem}.blog-cta p{color:#fffc;font-size:1.125rem;margin-bottom:2rem}.blog-post{margin:0 auto;max-width:800px}.post-header{border-bottom:1px solid #ffffff1a;margin-bottom:3rem;padding-bottom:2rem;text-align:center}.post-header .post-meta{gap:1rem;justify-content:center;margin-bottom:1.5rem}.post-header h1{color:#fff;font-size:2.5rem;font-weight:700;line-height:1.2;margin-bottom:1rem}.post-info{align-items:center;color:#fff9;display:flex;font-size:.875rem;gap:1rem;justify-content:center}.post-content{line-height:1.8;margin-bottom:3rem}.post-content h2{color:#1ab4d9;font-size:1.75rem;font-weight:600;margin:2rem 0 1rem}.post-content h3{color:#fff;font-size:1.5rem;font-weight:600;margin:1.5rem 0 .75rem}.post-content p{color:#ffffffe6;margin-bottom:1.5rem}.post-content ol,.post-content ul{margin-bottom:1.5rem;padding-left:2rem}.post-content li{color:#ffffffe6;margin-bottom:.5rem}.post-content strong{color:#1ab4d9;font-weight:600}.post-content blockquote{border-left:4px solid #1ab4d9;color:#fffc;font-style:italic;margin:2rem 0;padding-left:1.5rem}.post-footer{border-top:1px solid #ffffff1a;margin-top:3rem;padding-top:2rem}.post-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem}.tag{background:#1ab4d933;border-radius:20px;color:#1ab4d9;font-size:.875rem;font-weight:500;padding:.25rem .75rem}.post-nav{text-align:center}.back-to-blog{color:#1ab4d9;font-weight:500;text-decoration:none;transition:color .2s ease}.back-to-blog:hover{color:#22d3ee}@media (max-width:768px){.blog-content .container{padding:0 1rem}.blog-header h1{font-size:2rem}.blog-header p{font-size:1rem}.blog-post-card{padding:1.5rem}.blog-post-card h2 a{font-size:1.25rem}.post-meta{gap:.5rem}.post-footer,.post-meta{align-items:flex-start;flex-direction:column}.post-footer{gap:1rem}.blog-cta{padding:2rem 1rem}.blog-cta h2{font-size:1.5rem}.post-header h1{font-size:2rem}.post-header .post-meta{flex-direction:column;gap:.5rem}.post-content h2{font-size:1.5rem}.post-content h3{font-size:1.25rem}.post-tags{justify-content:center}}.chat-message.sent.incorrect .chat-time{color:#e53935}.chat-message.sent.repetition .chat-bubble{background-color:#0d47a1;border:none;box-shadow:0 1px 2px #0000001a;color:#e3f2fd}.chat-message.sent.repetition .chat-time{color:#fff;font-weight:500}.chat-message.sent.correct .chat-time{color:#43a047}.chat-message.sent.auto-hint{opacity:1}.chat-message.sent.auto-hint .chat-bubble{background-color:#37474f;border:none;box-shadow:0 1px 2px #0000001a;color:#fff}.chat-message.received.auto-hint{opacity:1}.chat-message.received.auto-hint .chat-bubble{background-color:#37474f;border:none;box-shadow:0 1px 2px #0000001a;color:#fff}.chat-message.received.auto-hint .chat-time,.chat-message.sent.auto-hint .chat-time{color:#fff;font-weight:500}.hint-message{align-items:flex-start;color:#fff;display:flex;font-style:normal;gap:10px;padding:2px 4px}.hint-message svg{color:#fff;flex-shrink:0;height:18px;margin-top:4px;width:18px}.hint-message .chat-text{word-wrap:break-word;color:#fff;overflow-wrap:break-word;white-space:normal}.chat-message.sent.auto-hint .chat-bubble{max-width:400px}.chat-message.sent.auto-hint .hint-message .chat-translation,.chat-message.sent.auto-hint .hint-message .chat-transliteration{font-size:.9em;margin-left:0;opacity:.8}.hint-message>div{align-items:flex-start;display:flex;flex-direction:column}.chat-message.sent.repetition+.chat-message.sent.auto-hint{position:relative}.chat-message.sent.repetition+.chat-message.sent.auto-hint:before{background:#673ab733;border-radius:1px;content:"";height:1px;position:absolute;right:20px;top:-6px;width:40px}.conversation-separator{display:none}.chat-messages{scrollbar-color:#9696964d #0000;scrollbar-width:thin}.chat-messages::-webkit-scrollbar{width:8px}.chat-messages::-webkit-scrollbar-track{background:#0000}.chat-messages::-webkit-scrollbar-thumb{background:#9696964d;border-radius:4px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#96969680}.chat-hover-menu{align-items:center;display:none;gap:6px;position:absolute;right:0;top:50%;transform:translateY(-50%)}.chat-bubble:hover .chat-time-content{visibility:hidden}.chat-bubble:hover .chat-hover-menu{align-items:center;display:flex;gap:6px}.chat-menu-btn{align-items:center;background:none;border:none;border-radius:4px;color:inherit;cursor:pointer;display:inline-flex;justify-content:center;line-height:1;opacity:.6;padding:2px;transition:opacity .15s ease,background-color .15s ease}.chat-menu-btn:hover{background-color:#ffffff1a;opacity:1}.dark-theme .chat-menu-btn:hover{background-color:#ffffff1f}.chat-message.sent .chat-menu-btn{color:#0277bdb3}.chat-message.sent .chat-menu-btn:hover{background-color:#0277bd14;color:#0277bd}.dark-theme .chat-message.sent .chat-menu-btn{color:#e3f2fd8c}.dark-theme .chat-message.sent .chat-menu-btn:hover{background-color:#ffffff1a;color:#e3f2fd}.chat-message.received .chat-menu-btn{color:var(--secondary-text);opacity:.55}.chat-message.received .chat-menu-btn:hover{background-color:#ffffff14;opacity:1}.chat-menu-btn-unsend{color:#f56565!important;opacity:.8!important}.chat-menu-btn-unsend:hover{background-color:#f5656526!important;color:#fc8181!important;opacity:1!important}.chat-reply-preview{align-items:stretch;background-color:#00000014;border-left:3px solid #64b4ffcc;border-radius:6px;cursor:default;display:flex;gap:0;margin-bottom:4px;max-width:100%;overflow:hidden;padding:4px 8px}.dark-theme .chat-reply-preview{background-color:#ffffff0f;border-left-color:#64b4ff99}.chat-message.sent .chat-reply-preview{background-color:#0000000f;border-left-color:#fff6}.dark-theme .chat-message.sent .chat-reply-preview{background-color:#ffffff14;border-left-color:#64b4ff80}.chat-reply-preview-content{flex:1 1;min-width:0;overflow:hidden}.chat-reply-preview-name{color:#64b4ffe6;font-size:11px;font-weight:600;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-message.sent .chat-reply-preview-name{color:#0277bdcc}.dark-theme .chat-message.sent .chat-reply-preview-name{color:#82c8ffcc}.chat-reply-preview-text{color:inherit;font-size:12px;line-height:1.3;max-width:280px;opacity:.7;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-reply-bar{align-items:center;animation:replyBarSlideIn .15s ease-out;background:#ffffff0f;border-bottom:none;border-radius:18px 18px 0 0;box-sizing:border-box;display:flex;gap:0;margin:0;padding:8px 14px 6px;width:100%}@keyframes replyBarSlideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.chat-reply-bar-accent{background-color:#64b4ffcc;border-radius:2px;flex-shrink:0;margin-right:10px;min-height:28px;width:3px}.chat-reply-bar-content{flex:1 1;min-width:0;overflow:hidden}.chat-reply-bar-name{color:#64b4ffe6;font-size:12px;font-weight:600}.chat-reply-bar-name,.chat-reply-bar-text{line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-reply-bar-text{color:var(--secondary-text);font-size:13px;opacity:.8}.chat-reply-bar-close{align-items:center;background:none;border:none;border-radius:50%;color:var(--secondary-text);cursor:pointer;display:flex;flex-shrink:0;justify-content:center;margin-left:8px;opacity:.6;padding:4px;transition:opacity .15s ease,background-color .15s ease}.chat-reply-bar-close:hover{background-color:#96969626;opacity:1}.chat-bubble-unsent{opacity:.5}.chat-unsent-text{font-size:13px;font-style:italic;opacity:.85}.chat-unsent-text,.voice-note-player{-webkit-user-select:none;user-select:none}.voice-note-player{align-items:center;display:flex;gap:8px;max-width:240px;min-width:160px;padding:4px 2px 6px}.voice-note-play-btn{align-items:center;border:none;border-radius:50%;cursor:pointer;display:flex;height:28px;justify-content:center;min-width:28px;padding:0;transition:opacity .15s ease,transform .1s ease;width:28px}.voice-note-play-btn:hover{opacity:.85;transform:scale(1.05)}.voice-note-play-btn:active{transform:scale(.95)}.voice-note-sent .voice-note-play-btn{background:#fff3;color:#fffffff2}.voice-note-sent .voice-note-progress{background:#ffffff2e}.voice-note-sent .voice-note-progress-fill{background:#ffffffb3}.voice-note-sent .voice-note-duration{color:#fff9}.voice-note-received .voice-note-play-btn{background:#ffffff1f;color:#ffffffd9}.voice-note-received .voice-note-progress{background:#ffffff1f}.voice-note-received .voice-note-progress-fill{background:#ffffff8c}.voice-note-received .voice-note-duration{color:#ffffff80}.voice-note-progress{border-radius:2px;cursor:pointer;flex:1 1;height:3px;min-width:60px;position:relative}.voice-note-progress-fill{border-radius:2px;height:100%;transition:width .1s linear}.voice-note-duration{font-feature-settings:"tnum";font-size:11px;font-variant-numeric:tabular-nums;min-width:28px;text-align:right;white-space:nowrap}
/*# sourceMappingURL=main.6dd9634f.css.map*/