:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}*{margin:0;padding:0;box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#0a0a12}body{display:block}#root{width:100%;min-height:100vh;background:#0a0a12}.app{display:flex;flex-direction:column;width:100%;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.app.home-theme{background:#0a0a12}.app-header{grid-row:1;text-align:center;padding:1rem 1rem .5rem;color:#fff;background:transparent;z-index:10}.app-header h1{font-size:1.8rem;margin:0 0 .25rem;font-weight:700}.app-header p{font-size:.9rem;margin:0;opacity:.9}.app-main{display:flex;flex-direction:column;flex:1}.url-input-container{grid-row:1;background:#fff;border-radius:8px;padding:1rem;margin:.5rem 1rem;box-shadow:0 2px 10px #0000001a;flex-shrink:0}.url-input-form,.input-group{display:flex;flex-direction:column;gap:1rem}.url-input{width:100%;padding:1rem;border:2px solid #e1e5e9;border-radius:8px;font-size:1rem;transition:border-color .2s}.url-input:focus{outline:none;border-color:#667eea}.segment-length-control{display:flex;align-items:center;gap:.5rem}.segment-length-control label{font-weight:500;color:#374151}.segment-select{padding:.5rem;border:2px solid #e1e5e9;border-radius:6px;font-size:.9rem}.process-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:1rem 2rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.process-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.process-button:disabled{opacity:.6;cursor:not-allowed}.error-message{background:#fee2e2;color:#dc2626;padding:1rem;border-radius:8px;border-left:4px solid #dc2626}.loading-message{background:#dbeafe;color:#1d4ed8;padding:1rem;border-radius:8px;border-left:4px solid #1d4ed8;text-align:center}.content-container{display:grid;grid-template-columns:850px 1fr;gap:1rem;padding:.5rem 1rem 1rem;flex:1;align-items:start}.video-section{grid-column:1;background:#fff;border-radius:8px;padding:1rem .5rem .5rem;box-shadow:0 2px 10px #0000001a;height:fit-content;overflow:visible;display:flex;flex-direction:column}.video-info h2{margin:0 0 .3rem;color:#1f2937;font-size:1.2rem}.video-info p{margin:.1rem 0;color:#6b7280}.video-container{margin:.5rem 0;border-radius:6px;overflow:hidden}.segment-controls{background:#f9fafb;border-radius:8px;padding:1.5rem;margin-top:1.5rem}.segment-info h3{margin:0 0 1rem;color:#1f2937}.segment-text{background:#fff;padding:1rem;border-radius:6px;border-left:4px solid #667eea;font-style:italic;margin:1rem 0}.segment-time{color:#6b7280;font-size:.9rem}.playback-controls{display:flex;gap:1rem;margin-top:1rem}.play-button,.stop-button{padding:.75rem 1.5rem;border:none;border-radius:6px;font-weight:500;cursor:pointer;transition:all .2s}.play-button{background:#10b981;color:#fff}.play-button:hover:not(:disabled){background:#059669}.stop-button{background:#ef4444;color:#fff}.stop-button:hover:not(:disabled){background:#dc2626}.play-button:disabled,.stop-button:disabled{opacity:.5;cursor:not-allowed}.loop-status{margin-top:1rem;padding:1rem;background:#fff;border-radius:6px}.loop-progress{width:100%;height:8px;background:#e5e7eb;border-radius:4px;margin:.5rem 0;overflow:hidden}.loop-progress-bar{height:100%;background:linear-gradient(90deg,#10b981,#059669);transition:width .3s ease}.next-loop-button{background:#6366f1;color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;font-size:.9rem;cursor:pointer;margin-top:.5rem}.video-metadata{margin-top:1.5rem;padding:1rem;background:#f3f4f6;border-radius:6px;font-size:.9rem;color:#6b7280}.video-metadata p{margin:.25rem 0}.segments-section{grid-column:2;background:#fff;border-radius:8px;padding:1rem 1.5rem;box-shadow:0 2px 10px #0000001a;display:flex;flex-direction:column;height:calc(100vh - 180px);max-height:calc(100vh - 180px);min-height:400px;overflow:hidden}.segment-list h3{grid-row:1;margin:0 0 1rem;color:#1f2937;font-size:1.25rem}.segments-header{grid-row:2;display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.segments-header h3{margin:0;color:#1f2937;font-size:1.25rem}.segments-controls{display:flex;gap:.5rem}.reset-button{background:#f59e0b;color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;font-size:.9rem;cursor:pointer;transition:background .2s}.reset-button:hover{background:#d97706}.segments-container{flex:1;display:block;padding-right:12px;overflow-y:scroll!important;overflow-x:hidden;height:calc(100% - 60px);max-height:calc(100% - 60px);overscroll-behavior:contain;box-sizing:border-box}.segments-container>*{margin-bottom:.75rem}.segments-container>*:last-child{margin-bottom:0}.segment-item{border:2px solid #e5e7eb;border-radius:8px;padding:1rem;cursor:pointer;transition:border-color .2s,background-color .2s,box-shadow .2s;flex-shrink:0}.segment-item:hover{border-color:#667eea;background:#f8faff}.segment-item.active{border-color:#667eea;background:linear-gradient(135deg,#667eea10,#764ba210)}.segment-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:.75rem;font-size:.9rem;gap:1rem}.segment-info{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.segment-timing{display:flex;flex-direction:column;align-items:flex-end;gap:.25rem}.segment-number{font-weight:600;color:#667eea}.original-group{color:#9ca3af;font-size:.8rem;font-style:italic}.pipeline-badge{display:inline-block;white-space:nowrap}.segment-time{color:#4b5563;font-size:.85rem;font-weight:500}.segment-duration{color:#6b7280;font-size:.8rem;font-weight:500}.segment-text{color:#1f2937;line-height:1.6;margin-bottom:.5rem;font-weight:600}.segment-text.english-only{color:#111827!important;font-size:17px;font-weight:600}.segment-text.korean-only{color:#111827!important;font-size:16px;font-weight:600}.segment-text.both-languages .english-text{color:#111827!important;font-size:17px;font-weight:600;margin-bottom:8px}.segment-text.both-languages .korean-text{color:#111827!important;font-size:16px;font-weight:600}.segment-text.no-translation{color:#6b7280;font-style:italic;font-size:15px;font-weight:500}.segment-sentences{margin-top:.75rem;padding:.75rem;background:#f8faff;border-radius:6px;border-left:3px solid #667eea}.segment-sentences details{cursor:pointer}.segment-sentences summary{font-weight:500;color:#667eea;font-size:.9rem;margin-bottom:.5rem;-webkit-user-select:none;user-select:none}.segment-sentences summary:hover{color:#4f46e5}.sentence-list{margin:.5rem 0 0;padding:0;list-style:none}.sentence-item{padding:.5rem 0;border-bottom:1px solid #e5e7eb;color:#6b7280;font-size:.9rem;line-height:1.4}.sentence-item:last-child{border-bottom:none}.sentence-item:before{content:"• ";color:#667eea;font-weight:700;margin-right:.5rem}.word-timing-indicator{margin-top:.5rem;padding:.5rem;background:#ecfdf5;border:1px solid #d1fae5;border-radius:4px;color:#065f46;font-size:.8rem;font-weight:500;display:flex;align-items:center;gap:.25rem}.current-indicator{margin-top:.75rem;color:#667eea;font-weight:500;font-size:.9rem;padding:.5rem;background:#f0f4ff;border-radius:4px;border-left:3px solid #667eea}.no-segments{text-align:center;color:#9ca3af;padding:2rem;font-style:italic}@media (max-width: 1300px){.content-container{grid-template-columns:1fr;grid-template-rows:auto 1fr}.video-section{grid-column:1;grid-row:1}.segments-section{grid-column:1;grid-row:2;height:60vh}}@media (max-width: 768px){.app-header h1{font-size:1.5rem}.app-header{padding:.75rem 1rem .25rem}.content-container{padding:.25rem .5rem;gap:.5rem}.segments-section{padding:.75rem 1rem;height:50vh}.video-section{padding:.75rem .5rem}.url-input-container{padding:.75rem;margin:.25rem .5rem}.input-group{flex-direction:column}.segment-length-control{flex-direction:column;align-items:flex-start}.playback-controls{flex-direction:column}.segment-header{flex-direction:column;align-items:flex-start;gap:.25rem}}.segments-container::-webkit-scrollbar{width:6px}.segments-container::-webkit-scrollbar-track{background:#f1f5f9;border-radius:3px}.segments-container::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.segments-container::-webkit-scrollbar-thumb:hover{background:#94a3b8}.app-main::-webkit-scrollbar{width:8px}.app-main::-webkit-scrollbar-track{background:#ffffff1a}.app-main::-webkit-scrollbar-thumb{background:#ffffff4d;border-radius:4px}.app-main::-webkit-scrollbar-thumb:hover{background:#ffffff80}.back-to-home-button{position:absolute;top:1rem;right:1rem;background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3);padding:8px 16px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.back-to-home-button:hover{background:#ffffff4d;border-color:#ffffff80;transform:translateY(-2px);box-shadow:0 4px 12px #0003}.dark-theme .back-to-home-button{background:#ff00001a;color:var(--text-primary);border:1px solid var(--border-primary)}.dark-theme .back-to-home-button:hover{background:#f003;border-color:var(--accent-primary);box-shadow:0 4px 12px #f003}.dark-theme .segments-container::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:4px}.dark-theme .segments-container::-webkit-scrollbar-thumb{background:var(--border-primary);border-radius:4px}.dark-theme .segments-container::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}.dark-theme .app-main::-webkit-scrollbar{width:10px}.dark-theme .app-main::-webkit-scrollbar-track{background:var(--bg-secondary)}.dark-theme .app-main::-webkit-scrollbar-thumb{background:var(--border-primary);border-radius:5px}.dark-theme .app-main::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}.clip-jump-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:1rem;padding:2rem}.clip-jump-spinner{width:48px;height:48px;border:4px solid rgba(255,255,255,.1);border-top-color:#818cf8;border-radius:50%;animation:clip-jump-spin .9s linear infinite}@keyframes clip-jump-spin{to{transform:rotate(360deg)}}.clip-jump-text{font-size:1.05rem;color:#ffffffe6;font-weight:600}.clip-jump-sub{font-size:.85rem;color:#ffffff8c;text-align:center;max-width:320px}.clip-jump-error{font-size:2.5rem}.clip-jump-back{margin-top:.5rem;background:#818cf833;border:1px solid rgba(129,140,248,.4);color:#c4cbff;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.9rem}.clip-jump-back:hover{background:#818cf84d}:root{--pipeline-precise: #10b981;--pipeline-direct: #3b82f6;--pipeline-fallback: #f59e0b;--pipeline-standard: #6b7280;--edit-active: #3b82f6;--edit-hover: #e0f2fe;--edit-error: #ef4444;--edit-success: #10b981;--edit-warning: #f59e0b;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--text-primary: #1e293b;--text-secondary: #64748b;--border-light: #e2e8f0;--border-medium: #cbd5e1}.segment-list__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem;padding:.75rem;background:var(--bg-secondary);border-radius:8px;border:1px solid var(--border-light);flex-wrap:wrap;gap:.5rem;min-height:60px;width:100%;box-sizing:border-box;overflow:hidden}.segment-list__controls{display:flex;align-items:center;gap:.5rem;flex-shrink:1;flex-wrap:wrap;min-width:0}.segment-list__header h3{margin:0;color:var(--text-primary);font-size:1.125rem;font-weight:600;white-space:nowrap;flex-shrink:1;min-width:0;overflow:hidden;text-overflow:ellipsis}.segment-list__stats{display:flex;gap:.75rem;align-items:center}.segment-list__stat{padding:.25rem .5rem;border-radius:4px;font-size:.875rem;font-weight:500;background:var(--bg-primary);border:1px solid var(--border-light)}.segment-list__stat--edited{color:var(--edit-active);border-color:var(--edit-active)}.segment-list__stat--custom{color:var(--edit-warning);border-color:var(--edit-warning)}.segment-list__reset-button{padding:.5rem 1rem;background:var(--edit-error);color:#fff;border:none;border-radius:6px;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease}.segment-list__reset-button:hover{background:#dc2626;transform:translateY(-1px);box-shadow:0 2px 4px #ef444433}.segment-item{position:relative;transition:all .2s ease}.segment-item.edited{border-left:4px solid var(--edit-active);background:#3b82f605}.segment-item.error{border-left:4px solid var(--edit-error);background:#ef444405}.segment-item:hover{background:var(--edit-hover);border-color:var(--edit-active)}.segment-header{position:relative}.segment-header__controls{position:absolute;top:0;right:0;z-index:10}.segment-controls{display:flex;gap:.25rem;align-items:center;padding:.25rem;background:#fff;border-radius:6px;box-shadow:0 2px 8px #0000001a;border:1px solid var(--border-light)}.segment-controls__button{display:flex;align-items:center;gap:.25rem;padding:.375rem .5rem;border:none;border-radius:4px;background:transparent;color:var(--text-secondary);font-size:.75rem;cursor:pointer;transition:all .2s ease;white-space:nowrap}.segment-controls__button:hover{background:var(--edit-hover);color:var(--edit-active);transform:translateY(-1px)}.segment-controls__button:disabled{opacity:.5;cursor:not-allowed;transform:none}.segment-controls__button--edit:hover{background:#3b82f61a;color:var(--edit-active)}.segment-controls__button--split:hover{background:#10b9811a;color:var(--edit-success)}.segment-controls__button--add:hover{background:#f59e0b1a;color:var(--edit-warning)}.segment-controls__button--delete:hover{background:#ef44441a;color:var(--edit-error)}.segment-controls__icon{font-size:.875rem}.segment-controls__label{font-weight:500}.segment-controls__indicator{display:flex;align-items:center;padding:.25rem;border-radius:4px;background:var(--bg-secondary)}.segment-controls__indicator--error{background:#ef44441a;color:var(--edit-error)}@media (max-width: 768px){.segment-list__header{flex-direction:column;gap:.75rem;align-items:stretch;min-height:auto;padding:1rem}.segment-list__header h3{text-align:center;white-space:normal}.segment-list__controls{justify-content:center;flex-wrap:wrap;gap:.5rem}.segment-list__stats{justify-content:center}.segment-controls{position:static;margin-top:.5rem;justify-content:center}.segment-controls__button{padding:.5rem .75rem;font-size:.875rem}.segment-controls__label{display:none}.segment-header__controls{position:static;margin-top:.5rem}}@media (max-width: 480px){.segment-controls__button{padding:.375rem .5rem}.segment-controls__icon{font-size:1rem}}@media (prefers-reduced-motion: reduce){.segment-controls__button,.segment-item,.segment-list__reset-button{transition:none}}@media (prefers-contrast: high){.segment-controls{border:2px solid var(--text-primary)}.segment-controls__button{border:1px solid var(--border-medium)}.segment-item.edited,.segment-item.error{border-left-width:6px}}@media (prefers-color-scheme: dark){:root{--bg-primary: #1e293b;--bg-secondary: #334155;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--border-light: #475569;--border-medium: #64748b}.segment-controls{background:var(--bg-primary);border-color:var(--border-light)}}.segment-controls__button:focus{outline:2px solid var(--edit-active);outline-offset:2px}.segment-list__reset-button:focus{outline:2px solid var(--edit-error);outline-offset:2px}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.segment-controls{animation:slideIn .2s ease-out}.segment-list--loading{opacity:.6;pointer-events:none}.segment-list--loading:after{content:"";position:absolute;top:50%;left:50%;width:2rem;height:2rem;margin:-1rem 0 0 -1rem;border:2px solid var(--border-light);border-top-color:var(--edit-active);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.segments-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding:.75rem 1rem;background:var(--bg-secondary);border-radius:8px;border:1px solid var(--border-light)}.segments-header h3{margin:0;font-size:1.1rem;font-weight:600;color:var(--text-primary)}.segments-controls{display:flex;gap:.5rem;align-items:center}.edit-mode-toggle{padding:.5rem 1rem;border:1px solid var(--border-light);border-radius:6px;background:var(--bg-primary);color:var(--text-primary);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:.25rem}.edit-mode-toggle:hover{background:var(--bg-secondary);border-color:var(--edit-active)}.edit-mode-toggle.active{background:var(--edit-active);color:#fff;border-color:var(--edit-active)}.reset-button{padding:.5rem 1rem;border:1px solid var(--edit-error);border-radius:6px;background:var(--bg-primary);color:var(--edit-error);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:.25rem}.reset-button:hover{background:var(--edit-error);color:#fff}.time-adjustment-controls{display:flex;flex-direction:column;gap:.5rem;padding:.75rem;background:#fff;border-radius:8px;box-shadow:0 4px 12px #0000001a;border:1px solid var(--border-light);opacity:0;transition:opacity .2s ease;position:absolute;top:100%;right:0;z-index:20;min-width:280px}.segment-item:hover .time-adjustment-controls{opacity:1}.time-group{display:flex;align-items:center;gap:.75rem;padding:.5rem;background:var(--bg-secondary);border-radius:6px;border:1px solid var(--border-light)}.time-label{font-size:.875rem;font-weight:500;color:var(--text-primary);min-width:80px;font-family:Monaco,Menlo,Ubuntu Mono,monospace}.time-buttons{display:flex;gap:2px;align-items:center}.time-adjust-btn{padding:4px 8px;border:1px solid var(--border-medium);border-radius:4px;background:var(--bg-primary);color:var(--text-secondary);font-size:10px;font-weight:500;cursor:pointer;transition:all .15s ease;white-space:nowrap;min-width:45px;text-align:center}.time-adjust-btn:hover{transform:translateY(-1px);box-shadow:0 2px 4px #0000001a}.time-adjust-btn:active{transform:translateY(0);box-shadow:0 1px 2px #0000001a}.time-adjust-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.time-adjust-btn--backward{color:var(--edit-error);border-color:#ef44444d}.time-adjust-btn--backward:hover{background:#ef44441a;border-color:var(--edit-error);color:var(--edit-error)}.time-adjust-btn--forward{color:var(--edit-success);border-color:#10b9814d}.time-adjust-btn--forward:hover{background:#10b9811a;border-color:var(--edit-success);color:var(--edit-success)}.time-adjustment-indicator{position:absolute;top:.5rem;right:.5rem;display:flex;align-items:center;padding:.25rem;background:#10b9811a;border-radius:4px;border:1px solid rgba(16,185,129,.3)}.time-adjustment-icon{font-size:.875rem;color:var(--edit-success)}.segment-item{position:relative}.segment-item.time-adjusted{border-left:4px solid var(--edit-success);background:#10b98105}@media (max-width: 768px){.time-adjustment-controls{position:static;opacity:1;margin-top:.5rem;min-width:auto;width:100%}.time-group{flex-direction:column;align-items:stretch;gap:.5rem}.time-label{text-align:center;min-width:auto}.time-buttons{justify-content:center;gap:4px}.time-adjust-btn{flex:1;min-width:50px;font-size:11px;padding:6px 4px}}@media (max-width: 480px){.time-adjustment-controls{padding:.5rem}.time-group{padding:.375rem}.time-adjust-btn{font-size:10px;padding:4px 2px;min-width:40px}}.time-adjust-btn:focus{outline:2px solid var(--edit-active);outline-offset:2px}@media (prefers-contrast: high){.time-adjustment-controls{border:2px solid var(--text-primary)}.time-adjust-btn,.time-group{border:2px solid var(--border-medium)}}@media (prefers-color-scheme: dark){.time-adjustment-controls{background:var(--bg-primary);border-color:var(--border-light)}.time-group{background:var(--bg-secondary);border-color:var(--border-light)}.time-adjust-btn{background:var(--bg-secondary);border-color:var(--border-medium)}}@keyframes timeAdjustFeedback{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.time-adjust-btn:active{animation:timeAdjustFeedback .15s ease}@media (prefers-reduced-motion: reduce){.time-adjustment-controls,.time-adjust-btn{transition:none}.time-adjust-btn:active{animation:none}}.display-mode-toggle{display:flex;gap:2px;align-items:center;background:var(--bg-primary);border:1px solid var(--border-light);border-radius:6px;padding:2px;box-shadow:0 1px 3px #0000001a}.display-mode-toggle .toggle-btn{padding:6px 12px;border:none;background:transparent;border-radius:4px;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s ease;color:var(--text-secondary);white-space:nowrap;min-width:45px;text-align:center}.display-mode-toggle .toggle-btn:hover:not(.active):not(.disabled){background:var(--bg-secondary);color:var(--text-primary)}.display-mode-toggle .toggle-btn.active{background:var(--edit-active);color:#fff;box-shadow:0 1px 2px #3b82f633}.display-mode-toggle .toggle-btn.disabled{opacity:.5;cursor:not-allowed}.display-mode-toggle .toggle-btn:focus{outline:2px solid var(--edit-active);outline-offset:2px}.segment-text{line-height:1.5}.segment-text.english-only{color:var(--text-primary);font-size:16px}.segment-text.korean-only{color:var(--text-primary);font-size:16px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans KR,sans-serif}.segment-text.both-languages{display:flex;flex-direction:column;gap:4px}.segment-text.both-languages .english-text{font-size:16px;color:var(--text-primary);font-weight:500}.segment-text.both-languages .korean-text{font-size:14px;color:var(--text-secondary);font-style:italic;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans KR,sans-serif;padding-left:8px;border-left:2px solid var(--border-light)}.segment-text.no-translation{font-size:14px;color:#9ca3af;font-style:italic;text-align:center;padding:8px;background:var(--bg-secondary);border-radius:4px;border:1px dashed var(--border-light)}.segment-text.translation-loading{position:relative}.segment-text.translation-loading:after{content:"번역 중...";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:12px;color:var(--text-secondary);background:var(--bg-primary);padding:4px 8px;border-radius:4px;border:1px solid var(--border-light)}@media (max-width: 768px){.display-mode-toggle{gap:1px;padding:1px}.display-mode-toggle .toggle-btn{padding:8px 10px;font-size:11px;min-width:40px}.segment-text.both-languages{gap:6px}.segment-text.both-languages .english-text{font-size:15px}.segment-text.both-languages .korean-text{font-size:13px;padding-left:6px}}@media (max-width: 480px){.display-mode-toggle .toggle-btn{padding:6px 8px;font-size:10px;min-width:35px}.segment-text.both-languages .english-text{font-size:14px}.segment-text.both-languages .korean-text{font-size:12px}}@media (prefers-reduced-motion: reduce){.display-mode-toggle .toggle-btn{transition:none}}@media (prefers-contrast: high){.display-mode-toggle{border:2px solid var(--text-primary)}.display-mode-toggle .toggle-btn.active{border:2px solid var(--edit-active)}.segment-text.both-languages .korean-text{border-left-width:3px}}@media (prefers-color-scheme: dark){.display-mode-toggle{background:var(--bg-primary);border-color:var(--border-light)}.display-mode-toggle .toggle-btn:hover:not(.active):not(.disabled){background:var(--bg-secondary)}.segment-text.no-translation{background:var(--bg-secondary);border-color:var(--border-light)}}@keyframes fadeInTranslation{0%{opacity:0}to{opacity:1}}.segment-text.both-languages .korean-text{animation:fadeInTranslation .2s ease-out}.reading-toggle-section{overflow:hidden}.reading-analysis{transform-origin:top;transition:opacity .2s ease-out}.reading-analysis[hidden]{opacity:0;pointer-events:none}@media (prefers-reduced-motion: reduce){.segment-text.both-languages .korean-text,.reading-analysis{animation:none;transition:none}}.edit-button{position:absolute;top:8px;right:8px;width:24px;height:24px;border-radius:50%;background:#3b82f61a;border:1px solid rgba(59,130,246,.3);color:var(--edit-active);font-size:12px;cursor:pointer;opacity:0;transition:all .2s ease;display:flex;align-items:center;justify-content:center;z-index:5}.segment-item:hover .edit-button{opacity:1}.edit-button:hover{background:#3b82f633;transform:scale(1.1);border-color:var(--edit-active)}.edit-button:focus{outline:2px solid var(--edit-active);outline-offset:2px;opacity:1}.time-edit-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out}.time-edit-modal{background:#fff;border-radius:12px;padding:0;box-shadow:0 20px 40px #0000004d;max-width:500px;width:90%;max-height:80vh;overflow:hidden;animation:slideIn .3s ease-out}.time-edit-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--border-light);background:var(--bg-secondary)}.time-edit-header h3{margin:0;font-size:18px;font-weight:600;color:var(--text-primary)}.close-button{width:32px;height:32px;border-radius:50%;border:none;background:transparent;color:var(--text-secondary);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.close-button:hover{background:#ef44441a;color:var(--edit-error)}.time-edit-content{padding:24px}.segment-preview{margin-bottom:24px;padding:16px;background:var(--bg-secondary);border-radius:8px;border:1px solid var(--border-light)}.segment-preview .segment-text{margin:0 0 8px;font-size:16px;font-weight:500;color:var(--text-primary);line-height:1.5}.segment-preview .segment-timing{margin:0;font-size:14px;color:var(--text-secondary);font-family:Monaco,Menlo,Ubuntu Mono,monospace}.time-controls{display:flex;flex-direction:column;gap:16px}.time-controls .time-group{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg-primary);border-radius:8px;border:1px solid var(--border-light)}.time-controls .time-label{font-size:14px;font-weight:500;color:var(--text-primary);min-width:100px;font-family:Monaco,Menlo,Ubuntu Mono,monospace}.time-controls .time-buttons{display:flex;gap:4px;align-items:center}.time-controls .time-adjust-btn{padding:8px 12px;border:1px solid var(--border-medium);border-radius:6px;background:var(--bg-primary);color:var(--text-secondary);font-size:12px;font-weight:500;cursor:pointer;transition:all .15s ease;white-space:nowrap;min-width:60px;text-align:center}.time-controls .time-adjust-btn:hover{transform:translateY(-1px);box-shadow:0 2px 4px #0000001a}.time-controls .time-adjust-btn:active{transform:translateY(0);box-shadow:0 1px 2px #0000001a}.time-controls .time-adjust-btn--backward{color:var(--edit-error);border-color:#ef44444d}.time-controls .time-adjust-btn--backward:hover{background:#ef44441a;border-color:var(--edit-error);color:var(--edit-error)}.time-controls .time-adjust-btn--forward{color:var(--edit-success);border-color:#10b9814d}.time-controls .time-adjust-btn--forward:hover{background:#10b9811a;border-color:var(--edit-success);color:var(--edit-success)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@media (max-width: 768px){.time-edit-modal{width:95%;margin:20px}.time-edit-header{padding:16px 20px}.time-edit-content{padding:20px}.time-controls .time-group{flex-direction:column;align-items:stretch;gap:8px}.time-controls .time-label{text-align:center;min-width:auto}.time-controls .time-buttons{justify-content:center;gap:6px}.time-controls .time-adjust-btn{flex:1;min-width:50px;font-size:11px;padding:6px 8px}}@media (max-width: 480px){.edit-button{width:28px;height:28px;font-size:14px}.time-edit-modal{width:100%;height:100%;border-radius:0;max-height:none}.time-controls .time-adjust-btn{font-size:10px;padding:4px 6px;min-width:45px}}.time-controls .time-adjust-btn:focus{outline:2px solid var(--edit-active);outline-offset:2px}@media (prefers-contrast: high){.time-edit-overlay{background:#000c}.time-edit-modal{border:2px solid var(--text-primary)}.edit-button{border:2px solid var(--edit-active)}.time-controls .time-adjust-btn{border:2px solid var(--border-medium)}}@media (prefers-color-scheme: dark){.time-edit-modal{background:var(--bg-primary);border:1px solid var(--border-light)}.time-edit-header,.segment-preview,.time-controls .time-group{background:var(--bg-secondary);border-color:var(--border-light)}.time-controls .time-adjust-btn{background:var(--bg-primary);border-color:var(--border-medium)}}@media (prefers-reduced-motion: reduce){.time-edit-overlay,.time-edit-modal,.edit-button,.time-controls .time-adjust-btn{animation:none;transition:none}}.precision-badge{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600;margin-left:8px;cursor:help;transition:all .2s ease}.precision-badge-high{background:#22c55e26;color:#16a34a;border:1px solid rgba(34,197,94,.3)}.precision-badge-medium{background:#6b72801a;color:#4b5563;border:1px solid rgba(107,114,128,.2)}.precision-badge-low{background:#f59e0b26;color:#d97706;border:1px solid rgba(245,158,11,.3)}.precision-icon{font-size:12px}.precision-text{text-transform:uppercase;letter-spacing:.05em}.segment-item.precision-high{border-left:3px solid #22c55e;background:linear-gradient(to right,rgba(34,197,94,.05) 0%,transparent 100%)}.segment-item.precision-medium{border-left:3px solid #6b7280}.segment-item.precision-low{border-left:3px solid #f59e0b;background:linear-gradient(to right,rgba(245,158,11,.03) 0%,transparent 100%)}.precision-badge:hover{transform:translateY(-1px);box-shadow:0 2px 4px #0000001a}.precision-filter-group{display:flex;gap:4px;align-items:center;padding:4px;background:#0000000a;border-radius:8px;flex-wrap:wrap;transition:all .3s ease}.precision-filter-group.has-active-filter{background:#3b82f614;box-shadow:0 1px 3px #3b82f61a}.precision-filter-btn{padding:6px 12px;border:1px solid #e2e8f0;background:#fff;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease;white-space:nowrap;color:#64748b;position:relative;overflow:hidden}.precision-filter-btn:hover{background:#f8fafc;border-color:#cbd5e1;transform:translateY(-1px)}.precision-filter-btn.active{background:#3b82f6;color:#fff;border-color:#3b82f6;box-shadow:0 2px 4px #3b82f64d}.precision-filter-btn.precision-filter-high.active{background:#10b981;border-color:#10b981;box-shadow:0 2px 4px #10b9814d}.precision-filter-btn.precision-filter-medium.active{background:#6b7280;border-color:#6b7280;box-shadow:0 2px 4px #6b72804d}.precision-filter-btn.precision-filter-low.active{background:#f59e0b;border-color:#f59e0b;box-shadow:0 2px 4px #f59e0b4d}.precision-filter-btn.precision-filter-high:not(.active):hover{background:#10b9811a;border-color:#10b981;color:#10b981}.precision-filter-btn.precision-filter-medium:not(.active):hover{background:#6b72801a;border-color:#6b7280;color:#6b7280}.precision-filter-btn.precision-filter-low:not(.active):hover{background:#f59e0b1a;border-color:#f59e0b;color:#f59e0b}.segment-item.precision-high:hover{background:linear-gradient(to right,rgba(34,197,94,.08) 0%,transparent 100%)}.segment-item.precision-low:hover{background:linear-gradient(to right,rgba(245,158,11,.05) 0%,transparent 100%)}@media (prefers-color-scheme: dark){.precision-badge-high{background:#34d39933;color:#34d399;border-color:#34d39966}.precision-badge-medium{background:#9ca3af26;color:#9ca3af;border-color:#9ca3af4d}.precision-badge-low{background:#fbbf2433;color:#fbbf24;border-color:#fbbf2466}.segment-item.precision-high{border-left-color:#34d399;background:linear-gradient(to right,rgba(52,211,153,.1) 0%,transparent 100%)}.segment-item.precision-low{border-left-color:#fbbf24;background:linear-gradient(to right,rgba(251,191,36,.08) 0%,transparent 100%)}}@media (prefers-contrast: high){.precision-badge{font-weight:700;border-width:2px}.segment-item.precision-high,.segment-item.precision-medium,.segment-item.precision-low{border-left-width:4px}}@media (max-width: 768px){.precision-badge{font-size:10px;padding:2px 6px;margin-left:6px}.precision-icon{font-size:11px}.precision-text{display:none}.segment-item.precision-high,.segment-item.precision-medium,.segment-item.precision-low{border-left-width:2px}.precision-filter-group{width:100%;justify-content:center;padding:2px;gap:2px}.precision-filter-btn{padding:4px 8px;font-size:11px;flex:1;min-width:0}.precision-filter-btn:not(.active){font-size:0}.precision-filter-btn:not(.active):after{content:attr(title);font-size:11px;display:block}}@media (max-width: 480px){.precision-badge{margin-left:4px;padding:1px 4px}}.precision-none-info{padding:6px 12px;color:#94a3b8;font-size:13px;font-weight:500;display:flex;align-items:center;gap:4px}.reset-filter-btn{margin-top:12px;padding:8px 16px;background:#3b82f6;color:#fff;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.reset-filter-btn:hover{background:#2563eb;transform:translateY(-1px);box-shadow:0 2px 4px #2563eb4d}.no-segments{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;text-align:center;color:#64748b;gap:8px}.no-segments-icon{font-size:48px;opacity:.5;margin-bottom:8px}.no-segments-text{font-size:16px;font-weight:500;color:#475569}} .back-to-home-button{position:absolute;top:1rem;right:1rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;padding:.5rem 1rem;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 4px #0000001a}.back-to-home-button:hover{background:linear-gradient(135deg,#5a67d8,#6b46c1);transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.back-to-home-button:active{transform:translateY(0)}.shuffle-mode-placeholder{text-align:center;padding:4rem 2rem;max-width:600px;margin:0 auto}.shuffle-mode-placeholder h2{font-size:2rem;color:#1f2937;margin-bottom:1rem;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.shuffle-mode-placeholder p{font-size:1.2rem;color:#6b7280;margin-bottom:2rem}.shuffle-mode-placeholder button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.shuffle-mode-placeholder button:hover{background:linear-gradient(135deg,#5a67d8,#6b46c1);transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.app-header{position:relative}@media (max-width: 768px){.back-to-home-button{position:static;margin:1rem auto 0;display:block}.shuffle-mode-placeholder{padding:2rem 1rem}.shuffle-mode-placeholder h2{font-size:1.5rem}.shuffle-mode-placeholder p{font-size:1rem}}.chunk-navigator-container{display:flex;align-items:center;justify-content:space-between;background:#f8f9fa;border:1px solid #e9ecef;border-radius:8px;padding:12px 16px;margin-bottom:16px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;box-shadow:0 2px 4px #0000001a}.chunk-navigator{background:#f8f9fa;border:1px solid #e9ecef;border-radius:8px;padding:16px;margin-bottom:16px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.chunk-nav-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:8px}.chunk-title{font-size:18px;font-weight:600;color:#212529;margin:0;flex:1;min-width:200px}.chunk-navigator-container .chunk-info{display:flex;flex-direction:column;gap:4px}.chunk-navigator-container .chunk-label{font-size:14px;font-weight:600;color:#212529}.chunk-navigator-container .chunk-time{font-size:12px;color:#6c757d}.chunk-navigator-container .chunk-controls{display:flex;gap:8px}.chunk-navigator-container .chunk-nav-button{padding:6px 12px;border:1px solid #dee2e6;border-radius:4px;background:#fff;cursor:pointer;font-size:12px;font-weight:500;color:#495057;transition:all .2s ease}.chunk-navigator-container .chunk-nav-button:hover:not(:disabled){background:#e9ecef;border-color:#adb5bd}.chunk-navigator-container .chunk-nav-button:disabled{opacity:.5;cursor:not-allowed;background:#f8f9fa}.chunk-info{font-size:14px;color:#6c757d;white-space:nowrap}.chunk-controls{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px}.chunk-nav-btn{padding:8px 16px;border:1px solid #dee2e6;border-radius:4px;background:#fff;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s ease;min-width:80px}.chunk-nav-btn:hover:not(:disabled){background:#e9ecef;border-color:#adb5bd;transform:translateY(-1px)}.chunk-nav-btn:active:not(:disabled){transform:translateY(0)}.chunk-nav-btn:disabled{opacity:.5;cursor:not-allowed;background:#f8f9fa}.chunk-current{text-align:center;flex:1;min-width:150px}.chunk-time-range{font-size:18px;font-weight:600;color:#495057;margin-bottom:2px}.chunk-position{font-size:14px;color:#6c757d}.chunk-progress{position:relative;margin-bottom:12px}.progress-bar{height:8px;background:#e9ecef;border-radius:4px;overflow:hidden;position:relative}.progress-fill{height:100%;background:linear-gradient(90deg,#007bff,#0056b3);transition:width .3s ease;border-radius:4px}.progress-markers{position:relative;height:20px;margin-top:4px}.progress-marker{position:absolute;width:12px;height:12px;border-radius:50%;border:2px solid #007bff;background:#fff;cursor:pointer;transform:translate(-50%);transition:all .2s ease;top:4px}.progress-marker:hover:not(:disabled){transform:translate(-50%) scale(1.2);box-shadow:0 2px 8px #007bff4d}.progress-marker:disabled{opacity:.5;cursor:not-allowed}.progress-marker.active{background:#007bff;transform:translate(-50%) scale(1.1);box-shadow:0 2px 8px #007bff66}.progress-labels{position:relative;height:16px;margin-top:4px;font-size:12px;color:#6c757d}.time-label{position:absolute;transform:translate(-50%);white-space:nowrap}.time-label.start{left:0;transform:none}.time-label.end{right:0;left:auto;transform:none}.chunk-selector{margin-bottom:8px}.chunk-select{width:100%;padding:8px 12px;border:1px solid #ced4da;border-radius:4px;font-size:14px;background:#fff;cursor:pointer;transition:border-color .2s ease}.chunk-select:focus{outline:none;border-color:#007bff;box-shadow:0 0 0 2px #007bff40}.chunk-select:disabled{opacity:.5;cursor:not-allowed;background:#f8f9fa}.chunk-loading{display:flex;align-items:center;justify-content:center;padding:12px;background:#e3f2fd;border:1px solid #bbdefb;border-radius:4px;margin-bottom:8px;color:#1976d2}.loading-spinner{width:16px;height:16px;border:2px solid #e3f2fd;border-top:2px solid #1976d2;border-radius:50%;animation:spin 1s linear infinite;margin-right:8px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.chunk-error{display:flex;align-items:center;padding:12px;background:#ffebee;border:1px solid #ffcdd2;border-radius:4px;color:#c62828;margin-bottom:8px;gap:8px}.error-icon{flex-shrink:0}.retry-btn{margin-left:auto;padding:4px 8px;border:1px solid #c62828;border-radius:4px;background:#fff;color:#c62828;cursor:pointer;font-size:12px;transition:all .2s ease}.retry-btn:hover{background:#c62828;color:#fff}.chunk-shortcuts{text-align:center;margin-top:8px;padding-top:8px;border-top:1px solid #e9ecef}.chunk-shortcuts small{color:#6c757d;font-size:12px}.chunk-shortcuts kbd{background:#f8f9fa;border:1px solid #dee2e6;border-radius:3px;padding:2px 4px;font-size:11px;font-family:monospace;margin:0 2px}@media (max-width: 768px){.chunk-navigator{padding:12px}.chunk-nav-header{flex-direction:column;align-items:flex-start;gap:4px}.chunk-title{font-size:16px;min-width:auto}.chunk-controls{flex-wrap:wrap;gap:8px}.chunk-nav-btn{min-width:70px;padding:6px 12px;font-size:13px}.chunk-current{min-width:120px}.chunk-time-range{font-size:16px}.progress-marker{width:10px;height:10px}.chunk-shortcuts{display:none}}@media (max-width: 480px){.chunk-navigator{padding:8px;margin-bottom:12px}.chunk-controls{justify-content:center}.chunk-current{order:-1;width:100%;margin-bottom:8px}.progress-labels .time-label.middle{display:none}}@media (prefers-color-scheme: dark){.chunk-navigator{background:#2d3748;border-color:#4a5568;color:#e2e8f0}.chunk-title{color:#f7fafc}.chunk-info,.chunk-position,.time-label,.chunk-shortcuts small{color:#a0aec0}.chunk-nav-btn{background:#4a5568;border-color:#718096;color:#e2e8f0}.chunk-nav-btn:hover:not(:disabled){background:#718096;border-color:#a0aec0}.chunk-nav-btn:disabled{background:#2d3748}.progress-bar{background:#4a5568}.chunk-select{background:#4a5568;border-color:#718096;color:#e2e8f0}.chunk-select:focus{border-color:#63b3ed;box-shadow:0 0 0 2px #63b3ed40}.chunk-loading{background:#2c5282;border-color:#3182ce;color:#bee3f8}.loading-spinner{border-color:#2c5282;border-top-color:#bee3f8}.chunk-shortcuts kbd{background:#4a5568;border-color:#718096;color:#e2e8f0}}.dark-theme{--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-card: #212121;--bg-hover: #272727;--bg-input: #121212;--text-primary: #f1f1f1;--text-secondary: #aaaaaa;--text-muted: #717171;--border-primary: #3f3f3f;--border-secondary: #2a2a2a;--border-focus: #ff0000;--accent-primary: #ff0000;--accent-hover: #cc0000;--accent-gradient: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);--shadow-md: 0 4px 6px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .4);--shadow-xl: 0 20px 40px rgba(0, 0, 0, .5)}.app.dark-theme{background:var(--bg-primary);min-height:100vh}body:has(.dark-theme){background:#0f0f0f}#root:has(.dark-theme){background:#0f0f0f}.dark-theme .app-header{background:transparent;color:var(--text-primary)}.dark-theme .app-header h1{color:var(--text-primary);font-weight:600;letter-spacing:-.5px}.dark-theme .app-header p{color:var(--text-secondary);opacity:1}.dark-theme .url-input-container{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:12px;padding:24px;margin:20px auto;max-width:800px;box-shadow:var(--shadow-lg);transition:all .3s ease}.dark-theme .url-input-container:hover{box-shadow:var(--shadow-xl);border-color:var(--border-primary)}.dark-theme .url-input-form{display:flex;flex-direction:column;gap:20px}.dark-theme .input-group{display:flex;flex-direction:column;gap:16px}.dark-theme .url-input{width:100%;padding:14px 16px;background:var(--bg-input);border:2px solid var(--border-secondary);border-radius:8px;font-size:15px;color:var(--text-primary);transition:all .2s ease}.dark-theme .url-input::placeholder{color:var(--text-muted)}.dark-theme .url-input:hover{background:var(--bg-secondary);border-color:var(--border-primary)}.dark-theme .url-input:focus{outline:none;background:var(--bg-secondary);border-color:var(--accent-primary);box-shadow:0 0 0 3px #ff00001a}.dark-theme .url-input:disabled{opacity:.5;cursor:not-allowed}.dark-theme .segment-length-control{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg-input);border-radius:8px;border:1px solid var(--border-secondary)}.dark-theme .segment-length-control label{font-weight:500;color:var(--text-secondary);font-size:14px;text-transform:uppercase;letter-spacing:.5px}.dark-theme .segment-select{padding:8px 12px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:6px;font-size:14px;color:var(--text-primary);cursor:pointer;transition:all .2s ease;min-width:100px}.dark-theme .segment-select:hover{background:var(--bg-hover);border-color:var(--accent-primary)}.dark-theme .segment-select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #ff00001a}.dark-theme .process-button{background:var(--accent-primary);color:#fff;border:none;padding:14px 28px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;text-transform:uppercase;letter-spacing:.5px;box-shadow:var(--shadow-md)}.dark-theme .process-button:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 20px #ff00004d}.dark-theme .process-button:active:not(:disabled){transform:translateY(0)}.dark-theme .process-button:disabled{opacity:.5;cursor:not-allowed;transform:none}.dark-theme .error-message{background:#dc26261a;color:#ff6b6b;padding:16px;border-radius:8px;border-left:4px solid #ff0000;border:1px solid rgba(220,38,38,.2);margin-top:16px;font-size:14px}.dark-theme .loading-message{background:#ff00000d;color:var(--text-primary);padding:20px;border-radius:8px;border:1px solid var(--border-primary);text-align:center;margin-top:16px;position:relative;overflow:hidden}.dark-theme .loading-message:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,0,0,.1),transparent);animation:loading-shimmer 2s infinite}@keyframes loading-shimmer{0%{left:-100%}to{left:100%}}.dark-theme .loading-message small{color:var(--text-secondary);display:block;margin-top:12px;font-size:13px}.dark-theme .mode-selector-container{background:var(--bg-card);border:1px solid var(--border-secondary);box-shadow:var(--shadow-lg)}.dark-theme .mode-card{background:var(--bg-secondary);border:1px solid var(--border-primary);transition:all .3s ease}.dark-theme .mode-card:hover{background:var(--bg-hover);border-color:var(--accent-primary);transform:translateY(-4px);box-shadow:0 8px 24px #f003}.dark-theme .mode-card h3{color:var(--text-primary)}.dark-theme .mode-card p{color:var(--text-secondary)}.dark-theme .recommended-contents{background:transparent;padding:32px 0}.dark-theme .recommended-contents h3{color:var(--text-primary);font-size:20px;font-weight:600;margin-bottom:20px;text-align:center;text-transform:uppercase;letter-spacing:1px}.dark-theme .recommended-videos{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;max-width:1200px;margin:0 auto}.dark-theme .video-card{background:var(--bg-card);border:1px solid var(--border-secondary);border-radius:12px;padding:16px;cursor:pointer;transition:all .3s ease;display:flex;flex-direction:column;gap:12px}.dark-theme .video-card:hover{background:var(--bg-hover);border-color:var(--accent-primary);transform:translateY(-4px);box-shadow:0 8px 24px #f003}.dark-theme .video-card h4{color:var(--text-primary);font-size:16px;font-weight:600;margin:0;line-height:1.4}.dark-theme .video-card .channel-name{color:var(--text-secondary);font-size:13px;margin:4px 0}.dark-theme .video-card .video-info-row{display:flex;justify-content:space-between;align-items:center;color:var(--text-muted);font-size:12px}.dark-theme .video-card .difficulty-badge{background:#ff00001a;color:var(--accent-primary);padding:4px 8px;border-radius:4px;font-size:11px;font-weight:600;text-transform:uppercase}.dark-theme .toast{background:#212121!important;border:1px solid #3f3f3f!important;color:#f1f1f1!important;box-shadow:0 4px 12px #00000080!important}.dark-theme .toast.success{background:#4caf501a!important;border-color:#4caf50!important;color:#4caf50!important}.dark-theme .toast.error{background:#f443361a!important;border-color:#f44336!important;color:#f44336!important}.dark-theme .toast.info{background:#2196f31a!important;border-color:#2196f3!important;color:#2196f3!important}.dark-theme .keyboard-guide{background:#212121!important;border:1px solid #3f3f3f!important;color:#f1f1f1!important}.dark-theme .keyboard-guide-header{border-bottom:1px solid #3f3f3f!important;color:#f1f1f1!important}.dark-theme .keyboard-shortcut-item{background:#1a1a1a!important;border:1px solid #3f3f3f!important}.dark-theme .shortcut-key{background:#121212!important;border:1px solid #3f3f3f!important;color:red!important}.dark-theme input,.dark-theme select,.dark-theme textarea{background:#121212!important;color:#f1f1f1!important;border-color:#3f3f3f!important}.dark-theme input:focus,.dark-theme select:focus,.dark-theme textarea:focus{background:#1a1a1a!important;border-color:red!important;outline:none!important}.dark-theme .content-container{display:grid;grid-template-columns:1fr 360px;gap:24px;padding:24px;max-width:none;width:100%;margin:0;background:transparent}.dark-theme .video-section{grid-column:1;background:transparent!important;border-radius:0;padding:0;box-shadow:none!important;height:auto;overflow:visible;display:flex;flex-direction:column;gap:16px}.dark-theme .video-player-container{position:relative;width:100%;background:#000;border-radius:0;overflow:hidden;aspect-ratio:16 / 9;max-width:calc(100vw - 408px);margin:0 auto}.dark-theme .video-player-container iframe{width:100%;height:100%;border:none}.dark-theme .video-info{background:transparent;padding:0;margin-top:12px}.dark-theme .video-info h2{color:#f1f1f1;font-size:20px;font-weight:600;margin:0 0 8px;line-height:1.4}.dark-theme .video-info .video-meta{display:flex;align-items:center;gap:8px;color:#aaa;font-size:14px}.dark-theme .video-info .video-meta span{color:#aaa}.dark-theme .playback-controls{background:#212121;border:1px solid #3f3f3f;border-radius:12px;padding:16px;margin-top:16px;display:flex;align-items:center;gap:16px}.dark-theme .control-button{background:transparent;border:none;color:#f1f1f1;padding:8px 16px;border-radius:8px;font-size:14px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:8px}.dark-theme .control-button:hover{background:#3f3f3f}.dark-theme .control-button.active{background:#ff00001a;color:red;border:1px solid rgba(255,0,0,.3)}.dark-theme .segments-section{grid-column:2;background:#212121!important;border:1px solid #3f3f3f;border-radius:12px;padding:0;height:calc(100vh - 120px);overflow:hidden;display:flex;flex-direction:column;position:sticky;top:24px}.dark-theme .segments-header{padding:16px 20px;border-bottom:1px solid #3f3f3f;background:#1a1a1a;display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.dark-theme .segments-header h3{color:#f1f1f1;font-size:16px;font-weight:600;margin:0;text-transform:uppercase;letter-spacing:.5px}.dark-theme .segments-controls{display:flex;gap:8px;align-items:center}.dark-theme .segment-item.playing{background:#ff00000d;border-color:red;border-left:3px solid #ff0000}.dark-theme .segment-item.current{background:#ff00001a;border-color:red}.dark-theme .segment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.dark-theme .segment-time{color:#aaa;font-size:12px;font-family:monospace}.dark-theme .segment-text{color:#f1f1f1;font-size:14px;line-height:1.5;margin-bottom:8px}.dark-theme .segment-translation{color:#aaa;font-size:13px;line-height:1.4;padding-top:8px;border-top:1px solid #3f3f3f}.dark-theme .segment-actions{display:flex;gap:8px;margin-top:8px}.dark-theme .segment-action-btn{background:transparent;border:1px solid #3f3f3f;color:#aaa;padding:4px 12px;border-radius:16px;font-size:12px;cursor:pointer;transition:all .2s ease}.dark-theme .segment-action-btn.saved{background:#4caf501a;color:#4caf50;border-color:#4caf50}.dark-theme .translation-controls{background:#212121;border:1px solid #3f3f3f;border-radius:12px;padding:16px;margin-top:16px}.dark-theme .display-mode-selector{display:flex;gap:8px;flex-wrap:wrap}.dark-theme .display-mode-btn{background:transparent;border:1px solid #3f3f3f;color:#aaa;padding:8px 16px;border-radius:8px;font-size:13px;cursor:pointer;transition:all .2s ease}.dark-theme .display-mode-btn:hover{background:#3f3f3f;color:#f1f1f1}.dark-theme .display-mode-btn.active{background:#ff00001a;color:red;border-color:red}.dark-theme .chunk-navigator{background:#212121;border:1px solid #3f3f3f;border-radius:8px;padding:12px;margin-bottom:16px;display:flex;align-items:center;gap:12px}.dark-theme .chunk-info{color:#aaa;font-size:13px;flex:1}.dark-theme .chunk-buttons{display:flex;gap:8px}.dark-theme .chunk-btn{background:transparent;border:1px solid #3f3f3f;color:#f1f1f1;padding:6px 12px;border-radius:6px;font-size:13px;cursor:pointer;transition:all .2s ease}.dark-theme .chunk-btn:hover:not(:disabled){background:#3f3f3f;border-color:red}.dark-theme .chunk-btn:disabled{opacity:.4;cursor:not-allowed}.dark-theme .loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#000c;display:flex;align-items:center;justify-content:center;border-radius:12px}.dark-theme .loading-spinner{width:48px;height:48px;border:3px solid #3f3f3f;border-top:3px solid #ff0000;border-radius:50%;animation:spin 1s linear infinite}@media (max-width: 1600px){.dark-theme .content-container{padding:24px 24px 24px 48px;grid-template-columns:1fr 400px}}@media (max-width: 1400px){.dark-theme .content-container{padding:24px;grid-template-columns:1fr 380px}}@media (max-width: 1200px){.dark-theme .content-container{grid-template-columns:1fr;gap:16px;padding:20px}.dark-theme .segments-section{grid-column:1;height:auto;position:relative;top:0;max-height:500px}.dark-theme .url-input-container{margin:20px!important}.dark-theme .app-header{padding:16px 20px!important}}@media (max-width: 768px){.dark-theme .content-container{padding:16px}.dark-theme .segments-section{max-height:400px}.dark-theme .video-info h2{font-size:18px}.dark-theme .url-input-container{margin:16px!important}.dark-theme .app-header{padding:16px!important}}.dark-theme *{transition:background-color .3s ease,border-color .3s ease,color .3s ease}.dark-theme .segments-container::-webkit-scrollbar{width:8px}.dark-theme .segments-container::-webkit-scrollbar-track{background:#1a1a1a;border-radius:4px}.dark-theme .segments-container::-webkit-scrollbar-thumb{background:#3f3f3f;border-radius:4px}.dark-theme .segments-container::-webkit-scrollbar-thumb:hover{background:red}.dark-theme button:focus-visible,.dark-theme .segment-item:focus-visible{outline:2px solid #ff0000;outline-offset:2px}.dark-theme .segment-controls{background:#212121!important;border:1px solid #3f3f3f;color:#f1f1f1}.dark-theme .segment-info h3{color:#f1f1f1!important}.dark-theme .segment-text{background:#1a1a1a!important;border-left-color:red!important;color:#f1f1f1!important}.dark-theme .segment-time{color:#aaa!important}.dark-theme .play-button,.dark-theme .stop-button{background:transparent!important;border:1px solid #3f3f3f!important;color:#f1f1f1!important}.dark-theme .play-button:hover,.dark-theme .stop-button:hover{background:#3f3f3f!important;border-color:red!important}.dark-theme .play-button.active,.dark-theme .stop-button.active{background:#ff00001a!important;color:red!important;border-color:red!important}.dark-theme .url-input-container{max-width:none!important;margin:20px 72px!important}.dark-theme .app-header{padding:16px 72px!important}.dark-theme .video-container{position:relative;width:100%!important;padding-bottom:56.25%!important;background:#000!important;border-radius:0!important;overflow:hidden}.dark-theme .video-container iframe{position:absolute!important;top:0!important;left:0!important;width:100%!important;height:100%!important;border:none!important}.dark-theme .playback-controls{gap:12px!important}.dark-theme .video-info h2{color:#f1f1f1!important;font-size:20px!important;font-weight:600!important}.dark-theme .video-info p{color:#aaa!important}@media (pointer: coarse) and (hover: none){@media (min-width: 1024px){.dark-theme .content-container{grid-template-columns:1fr 320px!important;gap:20px!important;padding:20px!important}.dark-theme .segments-section{grid-column:auto!important;height:calc(100vh - 120px)!important;max-height:none!important;position:sticky!important;top:12px!important}.dark-theme .video-player-container{max-width:none!important}}@media (max-width: 1023px){.dark-theme .segments-section{max-height:calc(100vh - 440px)!important;min-height:280px!important}}}.dark-theme .segment-list{height:100%;display:flex;flex-direction:column;background:transparent}.dark-theme .segment-list__header{padding:16px 20px;background:#1a1a1a;border-bottom:1px solid #3f3f3f;display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.dark-theme .segment-list__header h3{color:#f1f1f1;font-size:16px;font-weight:600;margin:0;text-transform:uppercase;letter-spacing:.5px}.dark-theme .segment-list__controls{display:flex;gap:12px;align-items:center}.dark-theme .precision-filter-group{display:flex;gap:4px;background:#121212;padding:4px;border-radius:8px;border:1px solid #3f3f3f}.dark-theme .precision-filter-btn{background:transparent;border:none;color:#aaa;padding:6px 12px;border-radius:6px;font-size:12px;cursor:pointer;transition:all .2s ease;white-space:nowrap;font-weight:500}.dark-theme .precision-filter-btn:hover{background:#272727;color:#f1f1f1}.dark-theme .precision-filter-btn.active{background:#ff00001a;color:red;border:1px solid rgba(255,0,0,.3)}.dark-theme .display-mode-selector{display:flex;gap:4px;background:#121212;padding:4px;border-radius:8px;border:1px solid #3f3f3f}.dark-theme .display-mode-button{background:transparent;border:none;color:#aaa;padding:6px 12px;border-radius:6px;font-size:12px;cursor:pointer;transition:all .2s ease;font-weight:500}.dark-theme .display-mode-button:hover{background:#272727;color:#f1f1f1}.dark-theme .display-mode-button.active{background:#ff00001a;color:red;border:1px solid rgba(255,0,0,.3)}.dark-theme .batch-actions{display:flex;gap:8px;padding:12px 16px;background:#1a1a1a;border-bottom:1px solid #3f3f3f}.dark-theme .batch-action-btn{background:transparent;border:1px solid #3f3f3f;color:#aaa;padding:6px 12px;border-radius:6px;font-size:12px;cursor:pointer;transition:all .2s ease}.dark-theme .batch-action-btn:hover:not(:disabled){background:#3f3f3f;color:#f1f1f1;border-color:red}.dark-theme .batch-action-btn:disabled{opacity:.4;cursor:not-allowed}.dark-theme .segments-container{flex:1;overflow-y:auto;padding:8px;background:#1a1a1a}.dark-theme .segment-item{background:#212121;border:1px solid #3f3f3f;border-radius:8px;padding:12px;margin-bottom:8px;cursor:pointer;transition:all .2s ease;position:relative}.dark-theme .segment-item:hover{background:#272727;border-color:#4f4f4f;transform:translate(4px)}.dark-theme .segment-item.current{background:#ff00000d;border-color:red;border-left:3px solid #ff0000;padding-left:9px}.dark-theme .segment-item.selected{background:#ff00001a;border-color:red}.dark-theme .segment-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px;gap:12px}.dark-theme .segment-meta{display:flex;align-items:center;gap:8px;flex-shrink:0}.dark-theme .segment-time{color:#aaa;font-size:12px;font-family:SF Mono,Monaco,Inconsolata,Fira Code,monospace;background:#121212;padding:2px 6px;border-radius:4px;border:1px solid #3f3f3f}.dark-theme .segment-duration{color:#717171;font-size:11px}.dark-theme .segment-actions{display:flex;gap:6px;flex-shrink:0}.dark-theme .segment-action-btn{background:transparent;border:1px solid #3f3f3f;color:#aaa;padding:4px 8px;border-radius:4px;font-size:11px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:4px}.dark-theme .segment-action-btn:hover{background:#3f3f3f;color:#f1f1f1;border-color:#4f4f4f}.dark-theme .segment-action-btn.translate-btn{color:#3b82f6;border-color:#3b82f6}.dark-theme .segment-action-btn.translate-btn:hover{background:#3b82f61a}.dark-theme .segment-action-btn.save-btn.saved{color:#4caf50;border-color:#4caf50;background:#4caf501a}.dark-theme .segment-action-btn.edit-btn{color:#f59e0b;border-color:#f59e0b}.dark-theme .segment-action-btn.edit-btn:hover{background:#f59e0b1a}.dark-theme .segment-text{margin-bottom:8px}.dark-theme .segment-text .english-text{color:#f1f1f1;font-size:14px;line-height:1.6;margin-bottom:6px}.dark-theme .segment-text .korean-text{color:#aaa;font-size:13px;line-height:1.5;padding-top:6px;border-top:1px solid #3f3f3f}.dark-theme .reading-mode{background:#1a1a1a;padding:8px;border-radius:6px;border:1px solid #3f3f3f}.dark-theme .reading-header{display:flex;align-items:center;gap:8px;margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid #3f3f3f}.dark-theme .reading-icon{font-size:16px}.dark-theme .reading-label{color:#aaa;font-size:12px;text-transform:uppercase;letter-spacing:.5px}.dark-theme .precision-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 6px;border-radius:4px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.dark-theme .precision-badge-high{background:#4caf501a;color:#4caf50;border:1px solid rgba(76,175,80,.3)}.dark-theme .precision-badge-medium{background:#3b82f61a;color:#3b82f6;border:1px solid rgba(59,130,246,.3)}.dark-theme .precision-badge-low{background:#f59e0b1a;color:#f59e0b;border:1px solid rgba(245,158,11,.3)}.dark-theme .translation-progress{background:#1a1a1a;padding:12px 16px;border-bottom:1px solid #3f3f3f}.dark-theme .progress-bar{height:4px;background:#3f3f3f;border-radius:2px;overflow:hidden;margin-top:8px}.dark-theme .progress-fill{height:100%;background:linear-gradient(90deg,red,#c00);transition:width .3s ease}.dark-theme .segments-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;color:#aaa;text-align:center}.dark-theme .segments-empty-icon{font-size:48px;margin-bottom:16px;opacity:.5}.dark-theme .segments-empty-text{font-size:14px;line-height:1.5}.dark-theme .segment-checkbox{width:18px;height:18px;accent-color:#ff0000;cursor:pointer;margin-right:8px}.dark-theme .time-editor{background:#1a1a1a;border:1px solid #3f3f3f;border-radius:8px;padding:12px;margin-top:8px}.dark-theme .time-editor-controls{display:flex;gap:8px;align-items:center;margin-bottom:8px}.dark-theme .time-adjust-btn{background:#212121;border:1px solid #3f3f3f;color:#f1f1f1;padding:4px 8px;border-radius:4px;font-size:12px;cursor:pointer;transition:all .2s ease}.dark-theme .time-adjust-btn:hover{background:#3f3f3f;border-color:red}.dark-theme .time-value{color:red;font-family:monospace;font-size:13px;padding:4px 8px;background:#121212;border-radius:4px;min-width:80px;text-align:center}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.dark-theme .segment-item{animation:slideIn .3s ease-out}@media (max-width: 768px){.dark-theme .segment-list__header{flex-direction:column;gap:12px;align-items:stretch}.dark-theme .segment-list__controls{flex-direction:column;gap:8px}.dark-theme .precision-filter-group,.dark-theme .display-mode-selector{width:100%;justify-content:stretch}.dark-theme .precision-filter-btn,.dark-theme .display-mode-button{flex:1}}.dark-theme .segments-section{background:#0f0f0f!important;border:none!important;border-radius:0!important;padding:24px 12px!important;height:calc(100vh - 24px)!important;overflow:hidden!important;display:flex!important;flex-direction:column!important;position:sticky!important;top:0!important;width:400px!important}.dark-theme .segment-list-header{color:#f1f1f1!important;font-size:14px!important;font-weight:400!important;padding:0 12px 16px!important;margin:0!important;border-bottom:1px solid #303030!important}.dark-theme .segments-header{display:none!important}.dark-theme .segments-container{flex:1!important;overflow-y:auto!important;padding:0!important;background:transparent!important;margin-top:12px!important}.dark-theme .segment-item{background:transparent!important;border:none!important;border-radius:0!important;padding:12px!important;margin:0!important;cursor:pointer!important;transition:background .2s ease!important;position:relative!important;display:flex!important;align-items:flex-start!important;gap:12px!important}.dark-theme .segment-item:hover{background:#ffffff1a!important;transform:none!important}.dark-theme .segment-item.current,.dark-theme .segment-item.playing{background:#ff00001a!important;border-left:3px solid #ff0000!important;padding-left:9px!important}.dark-theme .segment-number{color:#f44!important;font-size:13px!important;font-weight:500!important;min-width:32px!important;flex-shrink:0!important;font-family:Roboto,sans-serif!important}.dark-theme .segment-item.current .segment-number{color:red!important;font-weight:600!important}.dark-theme .segment-content{flex:1!important;display:flex!important;flex-direction:column!important;gap:4px!important}.dark-theme .segment-item .segment-text,.dark-theme .segment-item .english-text{color:#f1f1f1!important;font-size:13px!important;line-height:1.5!important;margin:0 0 4px!important;padding:0!important;background:transparent!important;border:none!important;font-weight:400!important;font-family:Roboto,Arial,sans-serif!important;display:block!important}.dark-theme .segment-item .korean-text{color:#999!important;font-size:12px!important;line-height:1.4!important;margin:0 0 4px!important;padding:0!important;background:transparent!important;border:none!important;font-weight:400!important;font-family:Noto Sans KR,Arial,sans-serif!important;display:block!important}.dark-theme .segment-timestamp,.dark-theme .segment-time{color:#717171!important;font-size:11px!important;font-weight:400!important;margin:0!important;padding:0!important;background:transparent!important;border:none!important;font-family:Roboto,sans-serif!important;display:block!important}.dark-theme .segment-item .segment-header{background:transparent!important;border:none!important;padding:0!important;margin:0!important;display:flex!important;justify-content:space-between!important;align-items:center!important}.dark-theme .segment-meta,.dark-theme .segment-actions{display:none!important}.dark-theme .segment-item .segment-time{color:#717171!important;font-size:12px!important;background:transparent!important;border:none!important;padding:0!important;margin-top:4px!important;font-family:Roboto,sans-serif!important}.dark-theme .segments-controls,.dark-theme .batch-actions,.dark-theme .precision-filter-group,.dark-theme .display-mode-selector{display:none!important}.dark-theme .segments-container::-webkit-scrollbar{width:8px!important}.dark-theme .segments-container::-webkit-scrollbar-track{background:transparent!important}.dark-theme .segments-container::-webkit-scrollbar-thumb{background:#303030!important;border-radius:4px!important}.dark-theme .segments-container::-webkit-scrollbar-thumb:hover{background:#404040!important}.dark-theme .content-container{display:grid!important;grid-template-columns:1fr 400px!important;gap:0!important;padding:0!important;max-width:100%!important;width:100%!important;margin:0!important;background:#0f0f0f!important}.dark-theme .video-section{grid-column:1!important;background:#0f0f0f!important;border-radius:0!important;padding:24px!important;box-shadow:none!important;height:auto!important;overflow:visible!important}.dark-theme .segment-list{background:transparent!important;height:100%!important}.dark-theme .segment-list__header,.dark-theme .segment-list__controls{display:none!important}.dark-theme .segments-header{background:transparent!important;border-bottom:none!important;padding:0!important;margin-bottom:12px!important}.dark-theme .segments-header h3{display:none!important}.dark-theme .segment-list-title{color:#f1f1f1!important;font-size:16px!important;font-weight:400!important;margin:0 0 16px!important;padding:0 12px!important;letter-spacing:0!important;text-transform:none!important}.subtitle-overlay{position:absolute;left:0;right:0;bottom:40px;z-index:1000;pointer-events:none;width:100%;animation:fadeIn .2s ease;display:flex;justify-content:center}.subtitle-overlay.bottom{bottom:40px}.subtitle-overlay.top{top:40px}.subtitle-content{display:flex;flex-direction:column;align-items:center;gap:8px;width:100%}.subtitle-english{background:#0006;color:#fff;font-size:22px;font-weight:700;line-height:1.35;padding:2px 10px;text-shadow:0 1px 3px rgba(0,0,0,.85),0 0 2px rgba(0,0,0,.6);letter-spacing:.2px;font-family:Roboto,Segoe UI,Arial,sans-serif;display:inline-block;border-radius:8px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.subtitle-korean{background:#0006;color:#fff;font-size:20px;font-weight:600;line-height:1.35;padding:2px 10px;text-shadow:0 1px 3px rgba(0,0,0,.85),0 0 2px rgba(0,0,0,.6);letter-spacing:.1px;font-family:Noto Sans KR,Malgun Gothic,sans-serif;display:inline-block;border-radius:8px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media (max-width: 768px){.subtitle-overlay{max-width:90%}.subtitle-english{font-size:18px}.subtitle-korean{font-size:16px}.subtitle-content{padding:12px 20px}}.dark-theme .translation-controls-container{background:#212121;border:1px solid #3f3f3f;border-radius:12px;padding:16px;margin-top:16px}.dark-theme .translation-controls-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid #3f3f3f}.dark-theme .translation-controls-title{color:#f1f1f1;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;display:flex;align-items:center;gap:8px}.dark-theme .translation-status{display:flex;align-items:center;gap:8px;color:#aaa;font-size:12px}.dark-theme .translation-status-icon{width:8px;height:8px;border-radius:50%;background:#3f3f3f}.dark-theme .translation-status-icon.active{background:#4caf50;animation:pulse 2s infinite}@keyframes pulse{0%{box-shadow:0 0 #4caf5066}70%{box-shadow:0 0 0 10px #4caf5000}to{box-shadow:0 0 #4caf5000}}.dark-theme .translation-buttons{display:flex;gap:8px;flex-wrap:wrap}.dark-theme .translation-btn{background:transparent;border:1px solid #3f3f3f;color:#aaa;padding:8px 16px;border-radius:8px;font-size:13px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:6px;font-weight:500}.dark-theme .translation-btn:hover:not(:disabled){background:#3f3f3f;color:#f1f1f1;border-color:red}.dark-theme .translation-btn.primary{background:#ff00001a;color:red;border-color:red}.dark-theme .translation-btn.primary:hover:not(:disabled){background:red;color:#fff}.dark-theme .translation-btn:disabled{opacity:.4;cursor:not-allowed}.dark-theme .translation-progress-container{margin-top:12px;padding-top:12px;border-top:1px solid #3f3f3f}.dark-theme .translation-progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.dark-theme .translation-progress-label{color:#aaa;font-size:12px}.dark-theme .translation-progress-value{color:#f1f1f1;font-size:12px;font-weight:600}.dark-theme .translation-progress-bar{height:4px;background:#3f3f3f;border-radius:2px;overflow:hidden}.dark-theme .translation-progress-fill{height:100%;background:linear-gradient(90deg,red,#c00);transition:width .3s ease;position:relative}.dark-theme .translation-progress-fill:after{content:"";position:absolute;top:0;left:0;bottom:0;right:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.dark-theme .translation-settings{margin-top:12px;padding-top:12px;border-top:1px solid #3f3f3f}.dark-theme .translation-setting-item{display:flex;justify-content:space-between;align-items:center;padding:8px 0}.dark-theme .translation-setting-label{color:#aaa;font-size:13px}.dark-theme .translation-toggle{position:relative;width:44px;height:24px;background:#3f3f3f;border-radius:12px;cursor:pointer;transition:background .3s ease}.dark-theme .translation-toggle.active{background:#f003}.dark-theme .translation-toggle-handle{position:absolute;top:2px;left:2px;width:20px;height:20px;background:#aaa;border-radius:50%;transition:all .3s ease}.dark-theme .translation-toggle.active .translation-toggle-handle{left:22px;background:red}.dark-theme .translation-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px;padding-top:12px;border-top:1px solid #3f3f3f}.dark-theme .translation-stat{text-align:center;padding:8px;background:#1a1a1a;border-radius:8px;border:1px solid #3f3f3f}.dark-theme .translation-stat-value{color:#f1f1f1;font-size:18px;font-weight:600;display:block;margin-bottom:4px}.dark-theme .translation-stat-label{color:#aaa;font-size:11px;text-transform:uppercase;letter-spacing:.5px}.dark-theme .translation-mode-selector{display:flex;gap:4px;background:#1a1a1a;padding:4px;border-radius:8px;border:1px solid #3f3f3f;margin-top:12px}.dark-theme .translation-mode-btn{flex:1;background:transparent;border:none;color:#aaa;padding:8px 12px;border-radius:6px;font-size:12px;cursor:pointer;transition:all .2s ease;font-weight:500;text-align:center}.dark-theme .translation-mode-btn:hover{background:#272727;color:#f1f1f1}.dark-theme .translation-mode-btn.active{background:#ff00001a;color:red;border:1px solid rgba(255,0,0,.3)}.dark-theme .translation-info{background:#ff00000d;border:1px solid rgba(255,0,0,.2);border-radius:8px;padding:12px;margin-top:12px;display:flex;align-items:flex-start;gap:8px}.dark-theme .translation-info-icon{color:red;font-size:16px;flex-shrink:0}.dark-theme .translation-info-text{color:#aaa;font-size:12px;line-height:1.5}.dark-theme .translation-info-text strong{color:#f1f1f1}@media (max-width: 768px){.dark-theme .translation-controls-container{padding:12px}.dark-theme .translation-stats{grid-template-columns:1fr}.dark-theme .translation-buttons{flex-direction:column}.dark-theme .translation-btn{width:100%;justify-content:center}}.dark-theme .video-section{max-width:none!important;width:100%!important}.dark-theme .video-player-wrapper{width:100%!important;max-width:none!important}.dark-theme .video-container{width:100%!important;max-width:none!important;height:0!important;padding-bottom:56.25%!important;position:relative!important;background:#000!important;overflow:hidden!important}.dark-theme .video-container iframe,.dark-theme .video-player iframe,.dark-theme iframe[src*=youtube],.dark-theme iframe[src*="youtu.be"]{position:absolute!important;top:0!important;left:0!important;width:100%!important;height:100%!important;border:none!important}.dark-theme .content-container>div:first-child{max-width:none!important}.dark-theme .video-info{margin-top:16px!important;padding:0!important}.dark-theme .segment-controls,.dark-theme .playback-controls,.dark-theme .translation-controls,.dark-theme .chunk-navigator{max-width:none!important;width:100%!important}@media (max-width: 1400px){.dark-theme .content-container{grid-template-columns:1fr 320px!important}}@media (max-width: 1200px){.dark-theme .content-container{grid-template-columns:1fr!important}.dark-theme .segments-section{max-width:100%!important;margin-top:20px}}@media (min-width: 2560px){.dark-theme .content-container{max-width:2400px;margin:0 auto;grid-template-columns:1fr 400px!important}}@media (min-width: 3840px){.dark-theme .content-container{max-width:3600px;margin:0 auto;grid-template-columns:1fr 480px!important}}.dark-theme,.dark-theme *{background-color:transparent}.dark-theme .app,.dark-theme .app-main{background:#0f0f0f!important}.dark-theme .video-section{background:transparent!important;color:#f1f1f1!important}.dark-theme .video-section *{color:#f1f1f1!important}.dark-theme .segments-section{background:#212121!important;color:#f1f1f1!important}.dark-theme .segments-section *{color:inherit}.dark-theme .segment-list{background:transparent!important;color:#f1f1f1!important}.dark-theme .segment-list__header{background:#1a1a1a!important;color:#f1f1f1!important}.dark-theme .segment-list__header h3{color:#f1f1f1!important}.dark-theme .segments-container{background:#1a1a1a!important;color:#f1f1f1!important}.dark-theme .segment-item{background:#212121!important;color:#f1f1f1!important;border:1px solid #3f3f3f!important}.dark-theme .segment-item:hover{background:#272727!important}.dark-theme .segment-item .english-text{color:#f1f1f1!important}.dark-theme .segment-item .korean-text{color:#aaa!important}.dark-theme .segment-header{color:#f1f1f1!important}.dark-theme .segment-time{color:#aaa!important;background:#121212!important}.dark-theme .segment-duration{color:#717171!important}.dark-theme .translation-controls{background:#212121!important;color:#f1f1f1!important}.dark-theme .translation-controls *{color:inherit}.dark-theme .display-mode-selector{background:#121212!important}.dark-theme .display-mode-button{background:transparent!important;color:#aaa!important}.dark-theme .display-mode-button:hover{background:#272727!important;color:#f1f1f1!important}.dark-theme .display-mode-button.active{background:#ff00001a!important;color:red!important}.dark-theme .playback-controls{background:#212121!important;color:#f1f1f1!important}.dark-theme .play-button,.dark-theme .stop-button,.dark-theme .control-button{background:transparent!important;border:1px solid #3f3f3f!important;color:#f1f1f1!important}.dark-theme .play-button:hover,.dark-theme .stop-button:hover,.dark-theme .control-button:hover{background:#3f3f3f!important;border-color:red!important}.dark-theme .segment-controls{background:#212121!important;border:1px solid #3f3f3f!important;color:#f1f1f1!important;padding:20px!important;border-radius:12px!important;margin-top:16px!important}.dark-theme .segment-controls *{background:transparent!important;color:inherit!important}.dark-theme .segment-info{background:transparent!important;color:#f1f1f1!important}.dark-theme .segment-info h3{color:#f1f1f1!important;background:transparent!important;margin-bottom:16px!important;font-size:16px!important;text-transform:uppercase!important;letter-spacing:.5px!important}.dark-theme .segment-text{background:#1a1a1a!important;color:#f1f1f1!important;border-left:4px solid #ff0000!important;padding:16px!important;border-radius:8px!important;margin:16px 0!important}.dark-theme .segment-text .english-text{color:#f1f1f1!important;font-size:16px!important;line-height:1.6!important;margin-bottom:12px!important}.dark-theme .segment-text .korean-text{color:#aaa!important;font-size:15px!important;line-height:1.5!important;padding-top:12px!important;border-top:1px solid #3f3f3f!important}.dark-theme .debug-controls,.dark-theme .timing-controls,.dark-theme .segment-timing{background:#212121!important;border:1px solid #3f3f3f!important;color:#f1f1f1!important;padding:16px!important;border-radius:8px!important;margin-top:12px!important}.dark-theme .timing-info{background:#1a1a1a!important;color:#aaa!important;padding:8px!important;border-radius:6px!important;font-family:monospace!important}.dark-theme .reading-mode{background:#1a1a1a!important;color:#f1f1f1!important}.dark-theme .reading-content{background:#212121!important;color:#f1f1f1!important}.dark-theme .reading-content>div{background:#212121!important;border-color:#3f3f3f!important}.dark-theme .reading-content span{color:#f1f1f1!important}.dark-theme .precision-filter-group{background:#121212!important}.dark-theme .precision-filter-btn{background:transparent!important;color:#aaa!important}.dark-theme .precision-filter-btn:hover{background:#272727!important;color:#f1f1f1!important}.dark-theme .precision-filter-btn.active{background:#ff00001a!important;color:red!important}.dark-theme .segment-actions{background:transparent!important}.dark-theme .segment-action-btn{background:transparent!important;border:1px solid #3f3f3f!important;color:#aaa!important}.dark-theme .segment-action-btn:hover{background:#3f3f3f!important;color:#f1f1f1!important}.dark-theme .batch-actions{background:#1a1a1a!important}.dark-theme .batch-action-btn{background:transparent!important;border:1px solid #3f3f3f!important;color:#aaa!important}.dark-theme .batch-action-btn:hover:not(:disabled){background:#3f3f3f!important;color:#f1f1f1!important}.dark-theme .chunk-navigator{background:#212121!important;color:#f1f1f1!important}.dark-theme .chunk-info{color:#aaa!important}.dark-theme .chunk-btn{background:transparent!important;border:1px solid #3f3f3f!important;color:#f1f1f1!important}.dark-theme .chunk-btn:hover:not(:disabled){background:#3f3f3f!important;border-color:red!important}.dark-theme .time-editor{background:#1a1a1a!important;color:#f1f1f1!important}.dark-theme .time-adjust-btn{background:#212121!important;border:1px solid #3f3f3f!important;color:#f1f1f1!important}.dark-theme .time-value{background:#121212!important;color:red!important}.dark-theme .progress-bar{background:#3f3f3f!important}.dark-theme .progress-fill{background:linear-gradient(90deg,red,#c00)!important}.dark-theme .segments-empty{color:#aaa!important}.dark-theme .loading-overlay{background:#000c!important}.dark-theme .precision-badge{color:#f1f1f1!important}.dark-theme .difficulty-badge{background:#f003!important;color:red!important;border:1px solid rgba(255,0,0,.3)!important}.dark-theme button{color:#f1f1f1!important}.dark-theme input,.dark-theme select,.dark-theme textarea{background:#121212!important;color:#f1f1f1!important;border:1px solid #3f3f3f!important}.dark-theme input:focus,.dark-theme select:focus,.dark-theme textarea:focus{background:#1a1a1a!important;border-color:red!important}.dark-theme .segment-item.current .english-text,.dark-theme .segment-item.current .korean-text{color:#f1f1f1!important}.dark-theme h1,.dark-theme h2,.dark-theme h3,.dark-theme h4,.dark-theme h5,.dark-theme h6,.dark-theme p,.dark-theme span,.dark-theme div,.dark-theme label,.dark-theme a{color:inherit}.dark-theme [style*="background: white"],.dark-theme [style*="background:white"],.dark-theme [style*="background-color: white"],.dark-theme [style*="background-color:white"],.dark-theme [style*="backgroundColor: 'white'"],.dark-theme [style*="backgroundColor:'white'"],.dark-theme [style*='backgroundColor: "white"'],.dark-theme [style*='backgroundColor:"white"']{background:#212121!important}.dark-theme [style*="color: black"],.dark-theme [style*="color:black"],.dark-theme [style*="color: #000"],.dark-theme [style*="color:#000"]{color:#f1f1f1!important}.dark-theme table{background:#212121!important;border-color:#3f3f3f!important}.dark-theme th,.dark-theme td{background:#1a1a1a!important;border-color:#3f3f3f!important;color:#f1f1f1!important}.dark-theme tr:nth-child(2n) td{background:#212121!important}.dark-theme [style*="backgroundColor: '#ffffff'"],.dark-theme [style*="backgroundColor: '#fafafa'"],.dark-theme [style*="backgroundColor: '#f3f4f6'"]{background-color:#212121!important}.dark-theme [style*="border: '1px solid #e5e7eb'"],.dark-theme [style*="borderBottom: '1px solid #f3f4f6'"],.dark-theme [style*="borderRight: '1px solid #f3f4f6'"]{border-color:#3f3f3f!important}.dark-theme [style*="background: '#f9fafb'"],.dark-theme [style*="background:#f9fafb"]{background:#212121!important}.dark-theme [style*="backgroundColor: '#eff6ff'"],.dark-theme [style*="backgroundColor:#eff6ff"]{background-color:#1a1a1a!important}.dark-theme [style*="border: '2px solid #2563eb'"],.dark-theme [style*="border:2px solid #2563eb"]{border:2px solid #ff0000!important}.dark-theme [style*="color: '#1e40af'"],.dark-theme [style*="color:#1e40af"]{color:#f1f1f1!important}.dark-theme .english-text-block{background:#212121!important;color:#f1f1f1!important;border:1px solid #3f3f3f!important}.dark-theme .reading-analysis-tabs,.dark-theme .sentence-completion-container{background:#212121!important;color:#f1f1f1!important}.dark-theme .completion-word{background:#1a1a1a!important;color:#f1f1f1!important;border:1px solid #3f3f3f!important}.dark-theme .completion-blank{background:#121212!important;border:2px dashed #ff0000!important;color:#aaa!important}.dark-theme .completion-blank.filled{background:#ff00001a!important;border:2px solid #ff0000!important;color:red!important}.dark-theme div[style*=background]{background:#212121!important}.dark-theme div[style*=backgroundColor]{background-color:#212121!important}.dark-theme div[style*="#f9fafb"]{background:#212121!important}.dark-theme div[style*="#eff6ff"]{background-color:#1a1a1a!important}.dark-theme div[style*="#e5e7eb"]{background-color:#3f3f3f!important}.dark-theme div[style*="#ffffff"]{background-color:#212121!important}.dark-theme div[style*="#fafafa"]{background-color:#1a1a1a!important}.dark-theme div[style*="#1e40af"]{color:#f1f1f1!important}.dark-theme div[style*="#374151"],.dark-theme div[style*="#6b7280"]{color:#aaa!important}.dark-theme div[style*="#2563eb"]{border-color:red!important}.dark-theme div[style*="#e5e7eb"]{border-color:#3f3f3f!important}.dark-theme .video-player-wrapper{background:transparent!important}.dark-theme .video-controls-section{background:#212121!important;border:1px solid #3f3f3f!important;color:#f1f1f1!important}.dark-theme .learning-section{background:#212121!important;color:#f1f1f1!important;border:1px solid #3f3f3f!important;padding:20px!important;border-radius:12px!important;margin-top:16px!important}.dark-theme .english-text-display{background:#1a1a1a!important;color:#f1f1f1!important;border-left:4px solid #ff0000!important;padding:16px!important;border-radius:8px!important}.dark-theme .korean-translation-display{background:#1a1a1a!important;color:#aaa!important;border:2px solid #ff0000!important;padding:16px!important;border-radius:8px!important;margin-top:12px!important}.dark-theme .learning-controls button{background:transparent!important;border:1px solid #3f3f3f!important;color:#f1f1f1!important;padding:8px 16px!important;border-radius:8px!important;cursor:pointer!important}.dark-theme .learning-controls button:hover{background:#3f3f3f!important;border-color:red!important}.dark-theme .learning-controls button:active,.dark-theme .learning-controls button.active{background:#ff00001a!important;color:red!important;border-color:red!important}.dark-theme .timing-display{background:#121212!important;color:#aaa!important;font-family:monospace!important;padding:8px 12px!important;border-radius:6px!important;border:1px solid #3f3f3f!important}.dark-theme .repeat-counter{background:#ff00001a!important;color:red!important;padding:4px 8px!important;border-radius:4px!important;font-size:12px!important;font-weight:600!important}.dark-theme .mode-toggle{background:#121212!important;border:1px solid #3f3f3f!important;padding:4px!important;border-radius:8px!important}.dark-theme .mode-toggle button{background:transparent!important;color:#aaa!important;border:none!important;padding:6px 12px!important;border-radius:6px!important}.dark-theme .mode-toggle button:hover{background:#272727!important;color:#f1f1f1!important}.dark-theme .mode-toggle button.active{background:#ff00001a!important;color:red!important}.dark-theme .playback-speed{background:#121212!important;color:#aaa!important;padding:4px 8px!important;border-radius:4px!important;border:1px solid #3f3f3f!important;font-size:12px!important}.dark-theme .english-text-block-container{background:#212121!important;color:#f1f1f1!important;padding:16px!important;border-radius:8px!important;border:1px solid #3f3f3f!important}.dark-theme .reading-tabs-container{background:#212121!important;color:#f1f1f1!important;border:1px solid #3f3f3f!important;border-radius:8px!important;margin-top:12px!important}.dark-theme .reading-tab{background:transparent!important;color:#aaa!important;border:none!important;padding:8px 16px!important;cursor:pointer!important}.dark-theme .reading-tab:hover{background:#3f3f3f!important;color:#f1f1f1!important}.dark-theme .reading-tab.active{background:#ff00001a!important;color:red!important;border-bottom:2px solid #ff0000!important}.dark-theme .reading-content{background:#1a1a1a!important;color:#f1f1f1!important;padding:16px!important}.dark-theme div[style*=background],.dark-theme div[style*=backgroundColor]{background-color:transparent!important}.dark-theme .video-player-container>div{background:transparent!important}.dark-theme .video-player-container div{color:#f1f1f1!important}.dark-theme div[style*="width: '100%'"][style*=marginTop]{background:#212121!important;border:1px solid #3f3f3f!important;border-radius:12px!important;padding:20px!important}.dark-theme div[style*=🇰🇷]{background:#1a1a1a!important;color:#f1f1f1!important;border:2px solid #ff0000!important}.dark-theme .english-text-block{background:#212121!important;border:1px solid #3f3f3f!important;border-radius:12px!important;padding:16px!important;color:#f1f1f1!important}.dark-theme .mode-header{background:#1a1a1a!important;border-bottom:1px solid #3f3f3f!important;padding:12px 16px!important;margin:-16px -16px 16px!important;border-radius:12px 12px 0 0!important;display:flex!important;justify-content:space-between!important;align-items:center!important}.dark-theme .header-left{display:flex!important;align-items:center!important;gap:12px!important}.dark-theme .header-title{color:#f1f1f1!important;font-size:14px!important;font-weight:600!important;text-transform:uppercase!important;letter-spacing:.5px!important}.dark-theme .segment-info{color:#aaa!important;font-size:12px!important;background:#121212!important;padding:4px 8px!important;border-radius:4px!important;border:1px solid #3f3f3f!important}.dark-theme .mode-toggle{display:flex!important;gap:4px!important;background:#121212!important;padding:4px!important;border-radius:8px!important;border:1px solid #3f3f3f!important}.dark-theme .mode-button{background:transparent!important;border:none!important;color:#aaa!important;padding:6px 12px!important;border-radius:6px!important;font-size:13px!important;cursor:pointer!important;transition:all .2s ease!important;font-weight:500!important}.dark-theme .mode-button:hover{background:#272727!important;color:#f1f1f1!important}.dark-theme .mode-button.active{background:#ff00001a!important;color:red!important;border:1px solid rgba(255,0,0,.3)!important}.dark-theme .sentence-completion-container{background:transparent!important;padding:16px 0!important}.dark-theme .mode-content{background:transparent!important}.dark-theme .sentence-display-area{background:#1a1a1a!important;border:1px solid #3f3f3f!important;border-radius:8px!important;padding:20px!important;margin-bottom:20px!important}.dark-theme .sentence-with-blanks{font-size:18px!important;line-height:2!important;color:#f1f1f1!important}.dark-theme .active-word-blank{background:#ff00001a!important;border:2px solid #ff0000!important;color:red!important;padding:6px 12px!important;border-radius:6px!important;min-width:80px!important;display:inline-block!important;text-align:center!important;font-weight:600!important;animation:pulse-border 2s infinite!important}@keyframes pulse-border{0%{border-color:red}50%{border-color:#f66}to{border-color:red}}.dark-theme .empty-word-blank{background:#121212!important;border:2px dashed #3f3f3f!important;color:#717171!important;padding:6px 12px!important;border-radius:6px!important;min-width:80px!important;display:inline-block!important;text-align:center!important}.dark-theme .visible-word{color:#f1f1f1!important;padding:6px 4px!important}.dark-theme .filled-word-blank{background:#4caf501a!important;border:2px solid #4caf50!important;color:#4caf50!important;padding:6px 12px!important;border-radius:6px!important;min-width:80px!important;display:inline-block!important;text-align:center!important;font-weight:600!important}.dark-theme .filled-word.correct,.dark-theme span.filled-word.correct{background:#4caf5033!important;border:2px solid #4caf50!important;color:#81c784!important;padding:6px 12px!important;border-radius:6px!important;display:inline-block!important;text-align:center!important;font-weight:600!important;font-size:16px!important}.dark-theme .filled-word{background:#4caf5026!important;border:2px solid #4caf50!important;color:#a5d6a7!important;padding:6px 12px!important;border-radius:6px!important;display:inline-block!important;font-weight:600!important}.dark-theme .word-options-container{background:#1a1a1a!important;border:1px solid #3f3f3f!important;border-radius:8px!important;padding:16px!important;margin-bottom:16px!important}.dark-theme .word-options-grid{display:grid!important;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))!important;gap:8px!important}.dark-theme .word-option{background:#212121!important;border:2px solid #3f3f3f!important;color:#f1f1f1!important;padding:10px 12px!important;border-radius:8px!important;cursor:pointer!important;transition:all .2s ease!important;display:flex!important;align-items:center!important;justify-content:flex-start!important;gap:8px!important;font-size:14px!important;font-weight:500!important}.dark-theme .word-option:hover:not(.used){background:#272727!important;border-color:red!important;transform:translateY(-2px)!important;box-shadow:0 4px 8px #f003!important}.dark-theme .word-option.available{background:#212121!important;border-color:#3f3f3f!important}.dark-theme .word-option.used{background:#1a1a1a!important;border-color:#2a2a2a!important;color:#717171!important;opacity:.5!important;cursor:not-allowed!important}.dark-theme .word-option.correct{background:#4caf501a!important;border-color:#4caf50!important;color:#4caf50!important}.dark-theme .word-option.incorrect{background:#f443361a!important;border-color:#f44336!important;color:#f44336!important;animation:shake .5s!important}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.dark-theme .hint-option{background:#ffc1071a!important;border:2px solid #ffc107!important;color:#ffc107!important;padding:10px 12px!important;border-radius:8px!important;cursor:pointer!important;transition:all .2s ease!important;font-size:14px!important;font-weight:600!important}.dark-theme .hint-option:hover{background:#ffc10733!important;transform:translateY(-2px)!important}.dark-theme .option-number{background:#ff00001a!important;color:red!important;padding:2px 6px!important;border-radius:4px!important;font-size:11px!important;font-weight:600!important;min-width:20px!important;text-align:center!important}.dark-theme .option-text{color:#f1f1f1!important;flex:1!important}.dark-theme .completion-controls{display:flex!important;justify-content:center!important;gap:12px!important;margin-top:16px!important}.dark-theme .restart-button{background:transparent!important;border:2px solid #3f3f3f!important;color:#aaa!important;padding:10px 20px!important;border-radius:8px!important;cursor:pointer!important;transition:all .2s ease!important;font-size:14px!important;font-weight:600!important;display:flex!important;align-items:center!important;gap:8px!important}.dark-theme .restart-button:hover{background:#3f3f3f!important;border-color:red!important;color:#f1f1f1!important;transform:translateY(-2px)!important}.dark-theme .auto-mode-button{background:#ff00001a!important;border:2px solid #ff0000!important;color:red!important;padding:10px 20px!important;border-radius:8px!important;cursor:pointer!important;transition:all .2s ease!important;font-size:14px!important;font-weight:600!important;display:flex!important;align-items:center!important;gap:8px!important}.dark-theme .auto-mode-button:hover{background:red!important;color:#fff!important;transform:translateY(-2px)!important}.dark-theme .completion-progress{background:#121212!important;height:4px!important;border-radius:2px!important;overflow:hidden!important;margin:16px 0!important}.dark-theme .completion-progress-bar{background:linear-gradient(90deg,red,#c00)!important;height:100%!important;transition:width .3s ease!important}.dark-theme .completion-success{background:#4caf501a!important;border:2px solid #4caf50!important;color:#4caf50!important;padding:16px!important;border-radius:8px!important;text-align:center!important;font-size:16px!important;font-weight:600!important;margin:16px 0!important}.dark-theme .completion-error{background:#f443361a!important;border:2px solid #f44336!important;color:#f44336!important;padding:16px!important;border-radius:8px!important;text-align:center!important;font-size:14px!important;margin:16px 0!important}.dark-theme .english-text-block,.dark-theme div[style*="width: '800px'"],.dark-theme div[style*="width:'800px'"]{width:100%!important;max-width:none!important}.dark-theme .keyboard-guide-button{background:transparent!important;border:1px solid #3f3f3f!important;color:#aaa!important;padding:8px 16px!important;border-radius:8px!important;cursor:pointer!important;transition:all .2s ease!important;font-size:14px!important;font-weight:500!important}.dark-theme .keyboard-guide-button:hover{background:#3f3f3f!important;border-color:red!important;color:#f1f1f1!important}.dark-theme .segments-controls{display:flex!important;gap:8px!important}.dark-theme .segments-controls button{background:transparent!important;border:1px solid #3f3f3f!important;color:#aaa!important;padding:8px 16px!important;border-radius:8px!important;cursor:pointer!important;transition:all .2s ease!important;font-size:13px!important;font-weight:500!important}.dark-theme .segments-controls button:hover{background:#3f3f3f!important;border-color:red!important;color:#f1f1f1!important;transform:translateY(-2px)!important}.dark-theme .reset-button{background:transparent!important;border:1px solid #3f3f3f!important;color:#aaa!important}.dark-theme .reset-button:hover{background:#ff00001a!important;border-color:red!important;color:red!important}.dark-theme .video-section>div{width:100%!important;max-width:none!important}.dark-theme .segment-controls>div{width:100%!important;max-width:none!important}.dark-theme div[style*="marginTop: '0.5rem'"],.dark-theme div[style*="padding: '0.75rem 0'"]{width:100%!important}.dark-theme .video-player-container>div>div{width:100%!important;max-width:none!important}.dark-theme .segment-counter{background:#ff00001a!important;color:red!important;padding:6px 12px!important;border-radius:6px!important;border:1px solid #ff0000!important;font-size:14px!important;font-weight:600!important;display:inline-block!important;min-width:60px!important;text-align:center!important}.dark-theme span.segment-counter{background:#121212!important;color:#f1f1f1!important;border:2px solid #3f3f3f!important;padding:8px 16px!important;border-radius:8px!important;font-size:14px!important;font-weight:700!important;letter-spacing:.5px!important;box-shadow:0 2px 4px #0000004d!important}.dark-theme .segment-counter:hover{background:#ff000026!important;border-color:#f66!important;transform:scale(1.05)!important;transition:all .2s ease!important}.dark-theme .video-section div[style*=width],.dark-theme .video-section div[style*=max-width]{width:100%!important;max-width:none!important}.dark-theme .keyboard-guide-modal,.dark-theme .keyboard-guide{background:#212121!important;border:1px solid #3f3f3f!important;color:#f1f1f1!important}.dark-theme .keyboard-guide-overlay{background:#000c!important}.dark-theme .keyboard-guide-header{background:#1a1a1a!important;border-bottom:1px solid #3f3f3f!important;color:#f1f1f1!important}.dark-theme .keyboard-guide-close{background:transparent!important;border:1px solid #3f3f3f!important;color:#aaa!important}.dark-theme .keyboard-guide-close:hover{background:#3f3f3f!important;border-color:red!important;color:#f1f1f1!important}.dark-theme .keyboard-shortcut-item{background:#1a1a1a!important;border:1px solid #3f3f3f!important;color:#f1f1f1!important}.dark-theme .keyboard-shortcut-item:hover{background:#272727!important;border-color:red!important}.dark-theme .shortcut-key{background:#121212!important;border:1px solid #3f3f3f!important;color:red!important;font-weight:600!important}.dark-theme .shortcut-description{color:#aaa!important}.dark-theme .english-text-block-container,.dark-theme .reading-analysis-tabs,.dark-theme .segment-info-container{width:100%!important;max-width:none!important;box-sizing:border-box!important}.dark-theme .english-text-block{box-sizing:border-box!important}.dark-theme .mode-content,.dark-theme .sentence-completion-container{width:100%!important}.dark-theme .filled-word.correct,.dark-theme span.filled-word.correct,.dark-theme span[class*=filled-word][class*=correct]{background:#1b5e20!important;border:2px solid #4caf50!important;color:#fff!important;padding:8px 14px!important;border-radius:6px!important;display:inline-block!important;text-align:center!important;font-weight:700!important;font-size:16px!important;letter-spacing:.5px!important;text-shadow:0 1px 2px rgba(0,0,0,.3)!important;box-shadow:0 2px 4px #0003!important}.dark-theme .filled-word:not(.correct),.dark-theme span.filled-word:not(.correct){background:#4caf5040!important;border:2px solid #66bb6a!important;color:#c8e6c9!important;padding:8px 14px!important;border-radius:6px!important;display:inline-block!important;text-align:center!important;font-weight:600!important;font-size:16px!important}.dark-theme .filled-word.correct:hover,.dark-theme span.filled-word.correct:hover{background:#2e7d32!important;transform:scale(1.02)!important;transition:all .2s ease!important;cursor:default!important}.dark-theme .filled-word.incorrect,.dark-theme span.filled-word.incorrect{background:#b71c1c!important;border:2px solid #f44336!important;color:#fff!important;padding:8px 14px!important;border-radius:6px!important;display:inline-block!important;text-align:center!important;font-weight:700!important;font-size:16px!important;text-shadow:0 1px 2px rgba(0,0,0,.3)!important}@keyframes correctPulse{0%{box-shadow:0 0 #4caf50b3}70%{box-shadow:0 0 0 10px #4caf5000}to{box-shadow:0 0 #4caf5000}}.dark-theme .filled-word.correct.just-filled{animation:correctPulse 1s!important}.dark-theme .sentence-with-blanks .filled-word.correct,.dark-theme .sentence-display-area .filled-word.correct{background:#1b5e20!important;color:#fff!important;font-weight:700!important}.dark-theme span[style*=color] .filled-word.correct,.dark-theme .filled-word.correct[style]{color:#fff!important;background:#1b5e20!important}@media (prefers-contrast: high){.dark-theme .filled-word.correct{background:#000!important;border:3px solid #4caf50!important;color:#4caf50!important;font-weight:900!important}}.dark-theme .filled-word.correct::selection{background:#4caf50!important;color:#fff!important}.dark-theme span.filled-word[class*=correct]{color:#fff!important;background:#1b5e20!important;min-width:100px!important;padding:8px 16px!important}.dark-theme button[style*="background-color: rgb(255, 255, 255)"],.dark-theme button[style*="backgroundColor: 'rgb(255, 255, 255)'"]{background-color:#212121!important;color:#f1f1f1!important}.dark-theme button[style*="border-bottom: 2px solid rgb(245, 158, 11)"]{border-bottom:2px solid #ff0000!important;color:red!important}.dark-theme button[style*="color: rgb(245, 158, 11)"]{color:red!important}.dark-theme .tab-button,.dark-theme button[style*="flex: 1"]{background:#212121!important;color:#aaa!important;border:none!important;border-bottom:2px solid transparent!important;padding:12px 16px!important;font-size:14px!important;font-weight:600!important;cursor:pointer!important;transition:all .2s ease!important}.dark-theme .tab-button:hover,.dark-theme button[style*="flex: 1"]:hover{background:#272727!important;color:#f1f1f1!important}.dark-theme .tab-button.active,.dark-theme button[style*="border-bottom: 2px solid"]{border-bottom:2px solid #ff0000!important;color:red!important;background:#ff00000d!important}.dark-theme .english-phrase{padding:4px 8px!important;border-radius:4px!important;font-size:12px!important;font-weight:600!important;display:inline-block!important;margin:2px!important}.dark-theme .phrase-color-blue,.dark-theme .english-phrase.phrase-color-blue{background:#2196f333!important;color:#64b5f6!important;border:1px solid #2196f3!important}.dark-theme .phrase-color-green,.dark-theme .english-phrase.phrase-color-green{background:#4caf5033!important;color:#81c784!important;border:1px solid #4caf50!important}.dark-theme .phrase-color-yellow,.dark-theme .english-phrase.phrase-color-yellow{background:#ffc10733!important;color:#ffd54f!important;border:1px solid #ffc107!important}.dark-theme .phrase-color-purple,.dark-theme .english-phrase.phrase-color-purple{background:#9c27b033!important;color:#ba68c8!important;border:1px solid #9c27b0!important}.dark-theme .phrase-color-red,.dark-theme .english-phrase.phrase-color-red{background:#f4433633!important;color:#ef5350!important;border:1px solid #f44336!important}.dark-theme .phrase-color-orange,.dark-theme .english-phrase.phrase-color-orange{background:#ff980033!important;color:#ffb74d!important;border:1px solid #ff9800!important}.dark-theme .phrase-color-pink,.dark-theme .english-phrase.phrase-color-pink{background:#e91e6333!important;color:#f06292!important;border:1px solid #e91e63!important}.dark-theme .phrase-color-teal,.dark-theme .english-phrase.phrase-color-teal{background:#00968833!important;color:#4db6ac!important;border:1px solid #009688!important}.dark-theme span[style*="color: rgb(148, 163, 184)"]{color:#717171!important}.dark-theme div[style*="display: flex"][style*="align-items: center"]{background:#1a1a1a!important;padding:12px!important;border-radius:8px!important;border:1px solid #3f3f3f!important}.dark-theme [style*="background-color: rgb(255, 255, 255)"] .english-phrase{background-color:transparent!important}.dark-theme .english-phrase span{color:inherit!important}.dark-theme .reading-tabs,.dark-theme .tabs-container{background:#212121!important;border:1px solid #3f3f3f!important;border-radius:8px!important}.dark-theme .tab-content{background:#1a1a1a!important;padding:16px!important;border-radius:0 0 8px 8px!important}.dark-theme .korean-phrase{background:#ff00000d!important;color:#aaa!important;padding:4px 8px!important;border-radius:4px!important;font-size:12px!important;border:1px solid #3f3f3f!important}.dark-theme .english-phrase:hover{transform:scale(1.05)!important;box-shadow:0 2px 8px #ffffff1a!important;transition:all .2s ease!important}.dark-theme div[style*=backgroundColor] .english-phrase,.dark-theme div[style*=background-color] .english-phrase{color:inherit!important;font-weight:600!important}.dark-theme .english-phrase[data-phrase]{color:inherit!important;font-weight:600!important;text-shadow:0 1px 2px rgba(0,0,0,.3)!important}.dark-theme .segment-counter,.dark-theme span.segment-counter{background:#212121!important;color:#f1f1f1!important;border:2px solid #ff0000!important;padding:8px 14px!important;border-radius:8px!important;font-size:14px!important;font-weight:700!important;letter-spacing:.5px!important;display:inline-block!important;min-width:70px!important;text-align:center!important;text-shadow:0 1px 2px rgba(0,0,0,.3)!important;box-shadow:0 2px 4px #0003!important}.dark-theme .counter,.dark-theme .badge-counter{background:#ff000026!important;color:#f66!important;border:1px solid #ff0000!important;padding:6px 12px!important;border-radius:6px!important;font-size:13px!important;font-weight:600!important}.dark-theme .progress-counter{background:#1a1a1a!important;color:#aaa!important;border:1px solid #3f3f3f!important;padding:4px 10px!important;border-radius:16px!important;font-size:12px!important;font-weight:600!important}.dark-theme .segment-counter.active,.dark-theme .segment-counter.current{background:red!important;color:#fff!important;border-color:red!important;font-weight:700!important}.dark-theme .segment-counter.completed{background:#1b5e20!important;color:#fff!important;border-color:#4caf50!important}.dark-theme .segment-number,.dark-theme .segment-badge{background:#121212!important;color:#f1f1f1!important;border:1px solid #3f3f3f!important;padding:4px 8px!important;border-radius:4px!important;font-size:12px!important;font-weight:600!important;font-family:monospace!important}.dark-theme .total-count{color:#717171!important;font-size:12px!important;font-weight:500!important}.dark-theme .fraction-display{color:#f1f1f1!important;font-weight:600!important}.dark-theme .fraction-display .current{color:red!important;font-weight:700!important}.dark-theme .fraction-display .separator{color:#717171!important;margin:0 2px!important}.dark-theme .fraction-display .total{color:#aaa!important}.dark-theme .segment-counter:hover,.dark-theme .counter:hover,.dark-theme .badge-counter:hover{transform:scale(1.05)!important;transition:all .2s ease!important;cursor:default!important}@keyframes counterPulse{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.dark-theme .segment-counter.updating{animation:counterPulse .5s ease!important}.dark-theme span[class*=counter]{color:#f1f1f1!important;font-weight:600!important}.dark-theme [class*=counter],.dark-theme [class*=badge],.dark-theme [class*=number]{color:inherit!important;font-weight:600!important}.dark-theme .segment-progress{background:#121212!important;color:#f1f1f1!important;border:1px solid #3f3f3f!important;padding:6px 12px!important;border-radius:20px!important;font-size:13px!important;font-weight:600!important;display:inline-flex!important;align-items:center!important;gap:8px!important}.dark-theme .segment-progress-bar{width:100px!important;height:4px!important;background:#3f3f3f!important;border-radius:2px!important;overflow:hidden!important}.dark-theme .segment-progress-fill{height:100%!important;background:linear-gradient(90deg,red,#c00)!important;transition:width .3s ease!important}body,#root{background:#0f0f0f!important;margin:0;padding:0}.dark-theme{background:#0f0f0f!important;min-height:100vh;color:#f1f1f1}.dark-theme .app-main{background:#0f0f0f!important;padding:0!important}.dark-theme .content-container{display:grid!important;grid-template-columns:1fr 400px!important;gap:0!important;padding:0!important;max-width:100%!important;width:100%!important;margin:0!important;background:#0f0f0f!important;height:calc(100vh - 56px)!important}.dark-theme .video-section{grid-column:1!important;background:#0f0f0f!important;border:none!important;border-radius:0!important;padding:24px!important;box-shadow:none!important;height:calc(100vh - 56px)!important;overflow-y:auto!important;display:flex!important;flex-direction:column!important}.dark-theme .segments-section{grid-column:2!important;background:#0f0f0f!important;border-left:1px solid #303030!important;border-radius:0!important;padding:0!important;height:calc(100vh - 56px)!important;overflow:hidden!important;display:flex!important;flex-direction:column!important;position:sticky!important;top:56px!important}.dark-theme .video-player-container{position:relative!important;width:100%!important;max-width:100%!important}.dark-theme .app-header{display:none!important}:root{--black: #000000;--black-light: #0f0f0f;--gray-dark: #1a1a1a;--gray-medium: #303030;--gray-light: #666666;--gray-lighter: #999999;--white: #ffffff;--white-dim: #f1f1f1;--red-accent: #ff0000;--red-subtle: #990000;--red-hover: rgba(255, 0, 0, .05)}.dark-theme{background:var(--black)!important;color:var(--white-dim)!important}.dark-theme .url-input-container{background:var(--black-light)!important;border:1px solid var(--gray-medium)!important;border-radius:8px!important;padding:32px!important;box-shadow:none!important}.dark-theme .url-input-container h2{color:var(--white)!important;font-size:24px!important;font-weight:500!important;margin-bottom:8px!important}.dark-theme .url-input-container p{color:var(--gray-lighter)!important;font-size:14px!important}.dark-theme .url-input{background:var(--black)!important;border:1px solid var(--gray-medium)!important;color:var(--white)!important;padding:12px 16px!important;font-size:14px!important;border-radius:4px!important;transition:border-color .2s ease!important}.dark-theme .url-input:focus{border-color:var(--gray-light)!important;outline:none!important;box-shadow:none!important}.dark-theme .url-input::placeholder{color:var(--gray-light)!important}.dark-theme .process-button{background:var(--gray-dark)!important;color:var(--white)!important;border:1px solid var(--gray-medium)!important;padding:12px 24px!important;font-size:14px!important;font-weight:500!important;border-radius:4px!important;cursor:pointer!important;transition:all .2s ease!important;text-transform:none!important}.dark-theme .process-button:hover:not(:disabled){background:var(--gray-medium)!important;border-color:var(--gray-light)!important}.dark-theme .process-button:disabled{opacity:.4!important;cursor:not-allowed!important}.dark-theme .menu-bar{background:var(--black)!important;border-bottom:1px solid var(--gray-dark)!important;box-shadow:none!important}.dark-theme .menu-icon-button:hover{background:var(--gray-dark)!important}.dark-theme .profile-icon{background:var(--red-subtle)!important;box-shadow:none!important}.dark-theme .play-segment-button{background:var(--gray-dark)!important;color:var(--white)!important;border:1px solid var(--gray-medium)!important;padding:10px 20px!important;border-radius:4px!important;font-weight:500!important;cursor:pointer!important;transition:all .2s ease!important;box-shadow:none!important;text-transform:none!important}.dark-theme .play-segment-button:hover{background:var(--gray-medium)!important;border-color:var(--gray-light)!important;transform:none!important;box-shadow:none!important}.dark-theme .stop-button{background:transparent!important;border:1px solid var(--gray-medium)!important;color:var(--gray-lighter)!important;padding:10px 20px!important;border-radius:4px!important;transition:all .2s ease!important}.dark-theme .stop-button:hover{background:var(--gray-dark)!important;color:var(--white)!important;border-color:var(--gray-light)!important}.dark-theme .control-button{background:transparent!important;border:1px solid var(--gray-medium)!important;color:var(--gray-lighter)!important;padding:8px 16px!important;border-radius:4px!important;transition:all .2s ease!important}.dark-theme .control-button:hover{background:var(--gray-dark)!important;color:var(--white)!important;border-color:var(--gray-light)!important}.dark-theme .youtube-segment-list{background:var(--black)!important;border-left:1px solid var(--gray-dark)!important}.dark-theme .youtube-segment-list .segment-list-header{background:var(--black)!important;border-bottom:1px solid var(--gray-dark)!important;padding:16px 24px!important}.dark-theme .youtube-segment-list .header-title{color:var(--white-dim)!important;font-size:14px!important;font-weight:500!important;text-transform:none!important;letter-spacing:normal!important;text-shadow:none!important}.dark-theme .youtube-segment-list .shortcut-button{background:transparent!important;border:1px solid var(--gray-medium)!important;color:var(--gray-lighter)!important;padding:4px 12px!important;border-radius:14px!important;font-size:12px!important;font-weight:400!important;transition:all .2s ease!important;text-transform:none!important}.dark-theme .youtube-segment-list .shortcut-button:hover{background:var(--gray-dark)!important;border-color:var(--gray-light)!important;color:var(--white)!important;box-shadow:none!important}.dark-theme .youtube-segment-list .segment-item{background:transparent!important;border-left:3px solid transparent!important;transition:background .2s ease!important;padding:12px 24px 12px 21px!important}.dark-theme .youtube-segment-list .segment-item:hover{background:var(--gray-dark)!important;border-left-color:transparent!important}.dark-theme .youtube-segment-list .segment-item.playing{background:var(--red-hover)!important;border-left-color:var(--red-accent)!important;box-shadow:none!important}.dark-theme .youtube-segment-list .segment-item.playing:before{background:var(--red-accent)!important;box-shadow:none!important;animation:none!important}.dark-theme .youtube-segment-list .segment-item.playing:after{display:none!important}.dark-theme .youtube-segment-list .segment-number{color:var(--red-accent)!important;font-size:13px!important;font-weight:500!important;text-shadow:none!important}.dark-theme .youtube-segment-list .segment-item.playing .segment-number{color:var(--red-accent)!important;background:transparent!important;padding:0!important;border-radius:0!important}.dark-theme .youtube-segment-list .english-text{color:var(--white-dim)!important;font-size:13px!important;line-height:1.4!important}.dark-theme .youtube-segment-list .korean-text{color:var(--gray-lighter)!important;font-size:12px!important}.dark-theme .youtube-segment-list .segment-time{color:var(--gray-light)!important;font-size:11px!important}.dark-theme ::-webkit-scrollbar{width:8px!important;height:8px!important}.dark-theme ::-webkit-scrollbar-track{background:transparent!important}.dark-theme ::-webkit-scrollbar-thumb{background:var(--gray-medium)!important;border-radius:4px!important;border:none!important}.dark-theme ::-webkit-scrollbar-thumb:hover{background:var(--gray-light)!important}.dark-theme .floating-control-bar{background:#000000f2!important;border:1px solid var(--gray-medium)!important;border-radius:8px!important;padding:12px 16px!important;box-shadow:0 2px 10px #00000080!important;-webkit-backdrop-filter:blur(10px)!important;backdrop-filter:blur(10px)!important}.dark-theme .floating-control-bar button{background:transparent!important;border:1px solid var(--gray-medium)!important;color:var(--gray-lighter)!important;transition:all .2s ease!important}.dark-theme .floating-control-bar button:hover:not(:disabled){background:var(--gray-dark)!important;border-color:var(--gray-light)!important;color:var(--white)!important;transform:none!important;box-shadow:none!important}.dark-theme .floating-control-bar .primary-action{background:var(--gray-dark)!important;border:1px solid var(--gray-medium)!important;color:var(--white)!important;font-weight:500!important;box-shadow:none!important}.dark-theme .floating-control-bar .primary-action:hover{background:var(--gray-medium)!important;border-color:var(--gray-light)!important}.dark-theme input[type=text],.dark-theme input[type=url],.dark-theme textarea,.dark-theme select{background:var(--black)!important;border:1px solid var(--gray-medium)!important;color:var(--white)!important;transition:border-color .2s ease!important}.dark-theme input[type=text]:focus,.dark-theme input[type=url]:focus,.dark-theme textarea:focus,.dark-theme select:focus{border-color:var(--gray-light)!important;outline:none!important;box-shadow:none!important}.dark-theme .toast{background:var(--black-light)!important;border:1px solid var(--gray-medium)!important;color:var(--white)!important;box-shadow:0 2px 10px #00000080!important;border-radius:4px!important;padding:12px 16px!important}.dark-theme .toast.error{border-left:3px solid var(--red-accent)!important}.dark-theme .toast.success{border-left:3px solid #00cc00!important}.dark-theme *{text-shadow:none!important}.dark-theme .glow-effect,.dark-theme .pulse-effect,.dark-theme .border-glow-red,.dark-theme .glow-red{animation:none!important;box-shadow:none!important;text-shadow:none!important}@keyframes none{}.subtitle-overlay.enhanced .subtitle-korean{background:#080808f2;color:gold;font-size:22px;font-weight:500;line-height:1.5;padding:6px 18px;text-shadow:2px 2px 4px rgba(0,0,0,1),-2px -2px 4px rgba(0,0,0,1),0 0 8px rgba(0,0,0,.8)}.subtitle-overlay.outlined .subtitle-english,.subtitle-overlay.outlined .subtitle-korean{background:#000000d9;-webkit-text-stroke:2px black;text-stroke:2px black;paint-order:stroke fill}.subtitle-overlay.glass .subtitle-english,.subtitle-overlay.glass .subtitle-korean{background:#141414b3;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid rgba(255,255,255,.2)}.subtitle-overlay.high-contrast .subtitle-english{background:#000;color:#fff;font-weight:700;border:2px solid #ffffff;text-shadow:none}.subtitle-overlay.high-contrast .subtitle-korean{background:#000;color:#ff0;font-weight:600;border:2px solid #ffff00;text-shadow:none}.subtitle-overlay.gradient .subtitle-english,.subtitle-overlay.gradient .subtitle-korean{background:linear-gradient(135deg,#000000fa,#141414f2,#000000fa);border:none;box-shadow:0 4px 20px #000000e6,inset 0 1px #ffffff1a}.subtitle-overlay.cinematic .subtitle-english{font-size:28px;padding:12px 32px;letter-spacing:.5px;background:#000000e6}.subtitle-overlay.cinematic .subtitle-korean{font-size:24px;padding:10px 28px;background:#000000e6}.subtitle-overlay.minimal .subtitle-english,.subtitle-overlay.minimal .subtitle-korean{background:none;text-shadow:3px 3px 6px rgba(0,0,0,1),-3px -3px 6px rgba(0,0,0,1),3px -3px 6px rgba(0,0,0,1),-3px 3px 6px rgba(0,0,0,1),0 0 20px rgba(0,0,0,.9);font-weight:700;border:none;box-shadow:none}.subtitle-overlay.netflix .subtitle-english{background:#000c;font-family:Netflix Sans,Helvetica Neue,sans-serif;font-size:24px;font-weight:400;padding:6px 16px;border-radius:4px;text-shadow:1px 1px 2px rgba(0,0,0,.9)}.subtitle-overlay.netflix .subtitle-korean{background:#000c;font-size:20px;padding:5px 14px}.dark-theme .subtitle-overlay{position:absolute;left:0;right:0;bottom:30px;z-index:1000;pointer-events:none;width:100%;display:flex;justify-content:center;align-items:center;padding:0 20px}.dark-theme .subtitle-content{width:100%;padding:0 10px;display:flex;flex-direction:column;align-items:center;gap:8px}.dark-theme .subtitle-english{background:#0006;color:#fff;font-size:24px;font-weight:700;line-height:1.3;padding:2px 10px;text-shadow:0 1px 3px rgba(0,0,0,.85),0 0 2px rgba(0,0,0,.6);letter-spacing:.2px;font-family:Roboto,YouTube Sans,Arial,sans-serif;display:inline-block;width:auto;max-width:95%;text-align:center;border-radius:8px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.dark-theme .subtitle-korean{background:#0006;color:#fff;font-size:20px;font-weight:600;line-height:1.3;padding:2px 10px;text-shadow:0 1px 3px rgba(0,0,0,.85),0 0 2px rgba(0,0,0,.6);letter-spacing:.1px;font-family:Noto Sans KR,Malgun Gothic,sans-serif;display:inline-block;width:auto;max-width:95%;text-align:center;border-radius:8px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);opacity:1}.dark-theme .subtitle-overlay.compact .subtitle-content{flex-direction:row;gap:20px;padding:6px 16px}.dark-theme .subtitle-overlay.compact .subtitle-english,.dark-theme .subtitle-overlay.compact .subtitle-korean{width:auto;padding:0;font-size:20px}.dark-theme .subtitle-overlay.high-visibility .subtitle-content{background:#000;border:1px solid rgba(255,255,255,.2)}.dark-theme .subtitle-overlay.high-visibility .subtitle-english{font-weight:700;text-shadow:none;-webkit-text-stroke:1.5px black;text-stroke:1.5px black;paint-order:stroke fill}.panel-tabs{display:flex;background:#0f0f0f;border-bottom:1px solid #303030;padding:0 12px;height:48px;align-items:center;gap:24px}.panel-tabs .tab-button{background:transparent;border:none;color:#aaa;font-size:14px;font-weight:500;padding:0 0 16px;cursor:pointer;position:relative;transition:color .2s ease;height:100%;display:flex;align-items:center;font-family:Roboto,Arial,sans-serif;letter-spacing:.2px}.panel-tabs .tab-button:hover,.panel-tabs .tab-button.active{color:#f1f1f1}.panel-tabs .tab-button.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:#f1f1f1}.dark-theme .filtered-segments-header{background:#0f0f0f;padding:12px 12px 8px;border-bottom:1px solid #303030;display:flex;justify-content:space-between;align-items:center}.dark-theme .filtered-count{color:#aaa;font-size:13px;font-weight:400}.dark-theme .filter-controls{display:flex;gap:8px}.dark-theme .filter-button{background:transparent;border:1px solid #303030;color:#aaa;padding:4px 12px;border-radius:18px;font-size:12px;cursor:pointer;transition:all .2s ease}.dark-theme .filter-button:hover{background:#ffffff1a;border-color:#606060;color:#f1f1f1}.dark-theme .filter-button.active{background:#ff00001a;border-color:red;color:red}.dark-theme .content-container{height:calc(100vh - 56px)!important;margin-top:0!important}.dark-theme .segments-section{height:calc(100vh - 56px)!important;position:sticky!important;top:56px!important}.dark-theme .video-section{height:calc(100vh - 56px)!important;padding:24px!important}.dark-theme .segments-header .keyboard-guide-button,.dark-theme .segments-header .reset-button{display:none!important}.dark-theme .segments-header{padding:12px 12px 8px!important;border-bottom:1px solid #303030!important}.dark-theme .segments-header h3{margin:0!important;font-size:14px!important;font-weight:400!important;color:#aaa!important}.app.dark-theme{background:radial-gradient(60rem 42rem at 10% -12%,rgba(129,140,248,.18),transparent 60%),radial-gradient(52rem 38rem at 92% 6%,rgba(192,132,252,.14),transparent 62%),radial-gradient(48rem 40rem at 50% 122%,rgba(56,189,248,.1),transparent 60%),#0a0a12!important}.dark-theme .menu-bar{background:#0a0a12a6!important;border-bottom:1px solid rgba(255,255,255,.08)!important;-webkit-backdrop-filter:blur(14px) saturate(140%)!important;backdrop-filter:blur(14px) saturate(140%)!important}.dark-theme .menu-bar .logo-text{color:#f4f5fb!important}.dark-theme .menu-icon-button{color:#c2c6da!important}.dark-theme .menu-icon-button:hover{background:#ffffff14!important;color:#f4f5fb!important}.dark-theme .menu-bar .profile-icon{background:linear-gradient(135deg,#818cf8,#c084fc)!important;color:#f4f5fb!important}.dark-theme .menu-bar .current-video-title{color:#e6e8f0!important}.dark-theme .url-input-container{background:#ffffff0b!important;border:1px solid rgba(255,255,255,.1)!important;border-radius:20px!important;-webkit-backdrop-filter:blur(16px) saturate(140%)!important;backdrop-filter:blur(16px) saturate(140%)!important;box-shadow:0 24px 60px -28px #000000b3!important;padding:2rem 1.75rem!important;margin:2.5rem auto!important;max-width:720px!important}.dark-theme .url-input-container:hover{border-color:#ffffff29!important;box-shadow:0 28px 70px -28px #000c!important}.dark-theme .url-input-container h2{color:#f4f5fb!important;font-weight:700!important;letter-spacing:-.01em!important}.dark-theme .url-input-container p{color:#a6abc4!important}.dark-theme .url-input{background:#00000040!important;border:1px solid rgba(255,255,255,.12)!important;color:#f0f1f8!important;border-radius:10px!important;font-size:.95rem!important;padding:.7rem .9rem!important}.dark-theme .url-input:focus{outline:none!important;border-color:#818cf899!important;box-shadow:0 0 0 3px #818cf82e!important;background:#00000052!important}.dark-theme .url-input::placeholder{color:#7e85a3!important}.dark-theme .segment-length-control{color:#a6abc4!important}.dark-theme .segment-select{background:#00000040!important;border:1px solid rgba(255,255,255,.12)!important;color:#f0f1f8!important;border-radius:10px!important;padding:.5rem .7rem!important}.dark-theme .segment-select option{background:#14141f;color:#f0f1f8}.dark-theme .process-button{background:linear-gradient(135deg,#818cf8,#6366f1)!important;color:#fff!important;border:1px solid rgba(129,140,248,.6)!important;border-radius:10px!important;padding:.7rem 1.4rem!important;font-weight:700!important;letter-spacing:.01em!important;box-shadow:0 8px 24px -10px #6366f18c!important;transition:transform .15s ease,box-shadow .15s ease,background .15s ease!important}.dark-theme .process-button:hover:not(:disabled){background:linear-gradient(135deg,#6366f1,#4f46e5)!important;transform:translateY(-1px)!important;box-shadow:0 12px 28px -10px #6366f1b3!important}.dark-theme .process-button:disabled{opacity:.45!important;cursor:not-allowed!important;transform:none!important}.dark-theme .error-message{background:#ef44441f!important;border:1px solid rgba(239,68,68,.35)!important;color:#fca5a5!important;border-radius:10px!important}.dark-theme .loading-message{background:#818cf81a!important;border:1px solid rgba(129,140,248,.32)!important;color:#c7cbf5!important;border-radius:10px!important}.dark-theme .segments-section{background:transparent!important;border-left:1px solid rgba(255,255,255,.08)!important}.dark-theme .youtube-segment-list{background:transparent!important}.dark-theme .segment-list-header{background:#0a0a128c!important;border-bottom:1px solid rgba(255,255,255,.08)!important;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.dark-theme .segment-list-header .header-title{color:#f4f5fb!important}.dark-theme .segments-container{background:transparent!important}.dark-theme .youtube-segment-list .segment-item{background:#ffffff0a!important;border:1px solid rgba(255,255,255,.08)!important;border-radius:12px!important;transition:background .15s,border-color .15s,transform .15s!important}.dark-theme .youtube-segment-list .segment-item:hover{background:#ffffff12!important;border-color:#818cf859!important}.dark-theme .youtube-segment-list .segment-item.playing{background:#818cf824!important;border-color:#818cf88c!important;box-shadow:0 0 0 1px #818cf84d,0 10px 24px -12px #6366f180!important}.dark-theme .youtube-segment-list .segment-item.playing:before,.dark-theme .youtube-segment-list .segment-item.playing:after{background:linear-gradient(90deg,#818cf8,#c084fc)!important}.dark-theme .youtube-segment-list .segment-item.playing .segment-number{color:#c7cbf5!important}.dark-theme .youtube-segment-list .segment-time{color:#a6abc4!important}.dark-theme .youtube-segment-list .english-text{color:#f4f5fb!important}.dark-theme .youtube-segment-list .korean-text{color:#c2c6da!important}.dark-theme .youtube-segment-list .shortcut-button{background:#ffffff0f!important;border:1px solid rgba(255,255,255,.14)!important;color:#c2c6da!important;border-radius:8px!important}.dark-theme .youtube-segment-list .shortcut-button:hover{background:#818cf82e!important;border-color:#818cf873!important;color:#e6e8f0!important}.dark-theme .translate-progress-bar{background:#ffffff14!important;border-radius:999px!important}.dark-theme .translate-progress-fill{background:linear-gradient(90deg,#818cf8,#c084fc)!important;border-radius:999px!important}.dark-theme .translate-progress-text{color:#c2c6da!important}.dark-theme{--accent-primary: #818cf8 !important;--accent-hover: #6366f1 !important;--accent-gradient: linear-gradient(135deg, #818cf8 0%, #6366f1 100%) !important;--border-focus: #818cf8 !important}.dark-theme [style*="rgb(255, 0, 0)"]{color:#818cf8!important}html.lrx-touch .dark-theme .content-container{display:grid!important;grid-template-columns:1fr!important;gap:0!important;padding:0!important;max-width:none!important;width:100%!important}html.lrx-touch .dark-theme .video-section{grid-column:1 / -1!important;max-width:calc(75vh * 16 / 9)!important;width:100%!important;margin:0 auto!important;padding:0!important}html.lrx-touch .dark-theme .video-player-container,html.lrx-touch .dark-theme .video-container{max-width:100%!important;width:100%!important;margin:0 auto!important}html.lrx-touch .menu-bar{display:none!important}.watch-touch-back{display:none}html.lrx-touch .watch-touch-back{display:inline-flex;align-items:center;justify-content:center;position:fixed;top:calc(env(safe-area-inset-top,0px) + 8px);left:calc(env(safe-area-inset-left,0px) + 8px);z-index:50;width:40px;height:40px;padding:0;border:none;border-radius:50%;background:#0000008c;color:#fff;cursor:pointer;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}body.lrx-segments-open .watch-touch-back{display:none}html.lrx-touch .dark-theme .video-container{max-width:100%!important;margin:0 auto!important}html.lrx-touch .dark-theme .segments-section{display:none!important}html.lrx-touch body.lrx-segments-open .dark-theme .segments-section{display:block!important;top:0!important;right:0!important;bottom:0!important;left:0!important;width:100vw!important;max-width:none!important;height:100vh!important;max-height:none!important;min-height:0!important;z-index:9999!important;background:#0a0a0afa!important;border-radius:0!important;padding:60px 16px 16px!important;margin:0!important;overflow-y:auto!important;-webkit-overflow-scrolling:touch!important;box-shadow:none!important;position:fixed!important}html.lrx-touch body.lrx-segments-open{overflow:hidden!important}#lrx-seg-toggle{position:fixed!important;bottom:24px!important;right:24px!important;z-index:9998!important;display:none;align-items:center!important;gap:8px!important;padding:12px 18px!important;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif!important;font-size:14px!important;font-weight:600!important;color:#fff!important;background:#ff3b3bf2!important;border:none!important;border-radius:999px!important;box-shadow:0 6px 20px #00000059!important;cursor:pointer!important;-webkit-tap-highlight-color:transparent!important}#lrx-seg-toggle[data-visible=true]{display:inline-flex!important}body.lrx-segments-open #lrx-seg-toggle{display:none!important}#lrx-seg-close{position:fixed!important;top:16px!important;right:16px!important;z-index:10000!important;width:44px!important;height:44px!important;display:none;align-items:center!important;justify-content:center!important;font-size:20px!important;font-weight:700!important;color:#fff!important;background:#000000bf!important;border:1px solid rgba(255,255,255,.15)!important;border-radius:50%!important;cursor:pointer!important;-webkit-tap-highlight-color:transparent!important}body.lrx-segments-open #lrx-seg-close{display:flex!important}html.lrx-touch body.lrx-segments-open .dark-theme .segments-section>*,html.lrx-touch body.lrx-segments-open .dark-theme .segments-section .segment-list-container{max-width:none!important;width:100%!important}html.lrx-touch .next-segment-button{padding:1.1rem 2rem!important;font-size:1.15rem!important;font-weight:700!important;background:#ef4444!important;box-shadow:0 4px 16px #ef444473!important;border-radius:999px!important}html.lrx-touch .next-segment-button:hover{background:#ef4444!important;transform:none!important}
