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h1{font-size:2.5rem}.audios-grid,.settings-grid{grid-template-columns:1fr}}.generate-bgm{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;padding:2rem}.generation-section{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:var(--card-bg);border:1px solid #ffffff1a;border-radius:16px;margin-bottom:3rem;padding:2rem}.input-section{margin:0 auto;max-width:800px}.input-section label{font-size:1.1rem;margin-bottom:.5rem}.input-section textarea{background:#ffffff1a;border:1px solid #fff3;border-radius:12px;color:var(--text-primary);font-size:1rem;line-height:1.6;margin-bottom:2rem;min-height:120px;padding:1rem;resize:vertical;width:100%}.input-section textarea:focus{background:#ffffff26;border-color:#38f9d7;box-shadow:0 0 0 3px #38f9d733;outline:none}.music-settings{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;margin-bottom:2rem;padding:1.5rem}.music-settings h3{color:var(--text-primary);font-size:1.2rem;margin-bottom:1rem}.settings-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.setting-group{display:flex;flex-direction:column;gap:.5rem}.setting-group label{color:var(--text-secondary);font-size:.9rem;font-weight:500}.setting-group select{background:#262638;border:1px solid #fff3;border-radius:8px;color:var(--text-primary);font-size:1rem;padding:.75rem}.setting-group input[type=range]{background:#fff3;border-radius:3px;cursor:pointer;height:6px;outline:none;width:100%}.setting-group input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;background:#38f9d7;border-radius:50%;cursor:pointer;height:20px;width:20px}.generate-btn{align-items:center;background:linear-gradient(135deg,#43e97b,#38f9d7);border:none;border-radius:12px;color:#fff;cursor:pointer;display:flex;font-size:1.1rem;font-weight:600;gap:.5rem;justify-content:center;padding:1rem 2rem;transition:all .3s ease;width:100%}.generate-btn:hover:not(:disabled){box-shadow:0 8px 25px #38f9d74d;transform:translateY(-2px)}.generate-btn:disabled{cursor:not-allowed;opacity:.6;transform:none}.loading-spinner{animation:spin 1s ease-in-out infinite;border-top-color:#fff}.results-section{margin-bottom:3rem}.results-section h2{color:var(--text-primary);font-size:2rem;font-weight:600;margin-bottom:2rem;text-align:center}.music-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fill,minmax(350px,1fr))}.music-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:var(--card-bg);border:1px solid #ffffff1a;border-radius:16px;padding:1.5rem;transition:transform .3s ease}.music-card:hover{transform:translateY(-4px)}.music-player{margin-bottom:1rem}.music-player audio{height:40px;width:100%}.music-info{display:flex;flex-direction:column;gap:1rem}.music-prompt{color:var(--text-primary);font-size:.95rem;line-height:1.5;margin:0}.music-tags{display:flex;flex-wrap:wrap;gap:.5rem}.tag{border-radius:12px;font-size:.8rem;font-weight:500;padding:.25rem .75rem;text-transform:capitalize}.tag.genre{background:#43e97b33;color:#43e97b}.tag.mood{background:#38f9d733;color:#38f9d7}.tag.tempo{background:#ffffff1a}.music-meta,.tag.tempo{color:var(--text-secondary)}.music-meta{align-items:center;display:flex;font-size:.85rem;justify-content:space-between}.music-duration{background:#38f9d733;border-radius:4px;color:#38f9d7;font-weight:600;padding:.25rem .5rem}.download-btn-small{border-radius:4px;padding:.25rem}.music-timestamp{color:var(--text-secondary);font-size:.8rem}.chat-history-section{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:var(--card-bg);border:1px solid #ffffff1a;border-radius:16px;padding:2rem}.chat-history-section h2{color:var(--text-primary);font-size:2rem;font-weight:600;margin-bottom:2rem;text-align:center}.chat-history{display:flex;flex-direction:column;gap:1.5rem}.chat-entry{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem}.chat-prompt{color:var(--text-primary)}.chat-prompt,.chat-result{margin-bottom:1rem}.chat-audio{height:40px;max-width:400px;width:100%}.chat-timestamp{color:var(--text-secondary);font-size:.85rem}@media (max-width:768px){.generate-bgm{padding:1rem}.page-header h1{font-size:2.5rem}.music-grid,.settings-grid{grid-template-columns:1fr}.music-tags{justify-content:flex-start}}.export-popup-overlay{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#000000b3;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:10000}.export-popup-content{animation:popupSlideIn .3s ease-out;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;box-shadow:0 25px 50px #0000004d;max-height:90vh;max-width:500px;overflow:hidden;padding:0;position:relative;width:90%}@keyframes popupSlideIn{0%{opacity:0;transform:translateY(-30px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}.export-popup-header{background:#fffffff2;border-bottom:1px solid #0000001a;padding:25px 30px 20px;position:relative;text-align:center}.export-success-icon{animation:bounceIn .6s ease-out .2s both;font-size:3rem;margin-bottom:10px}.export-popup-header h2{color:#333;font-size:1.5rem;font-weight:600;margin:0}.export-popup-close{align-items:center;background:none;border:none;border-radius:50%;color:#666;cursor:pointer;display:flex;font-size:1.5rem;height:35px;justify-content:center;padding:5px;position:absolute;right:20px;top:15px;transition:all .2s ease;width:35px}.export-popup-close:hover{background-color:#0000001a;color:#333}.export-popup-body{background:#fffffff2;padding:25px 30px}.export-details{background:#ffffffb3;border:1px solid #0000001a;border-radius:12px;margin-bottom:20px;padding:20px}.export-detail-item{align-items:center;border-bottom:1px solid #0000000d;display:flex;justify-content:space-between;padding:8px 0}.export-detail-item:last-child{border-bottom:none}.detail-label{color:#555;font-size:.9rem;font-weight:600}.detail-value{background:#667eea1a;border-radius:6px;color:#333;font-family:Courier New,monospace;font-size:.85rem;font-weight:500;padding:4px 8px}.export-message{color:#555;font-size:1rem;line-height:1.5;margin:0;text-align:center}.export-popup-actions{background:#fffffff2;border-top:1px solid #0000001a;display:flex;gap:15px;justify-content:center;padding:25px 30px}.export-download-btn,.export-gallery-btn{align-items:center;border:none;border-radius:10px;cursor:pointer;display:flex;flex:1 1;font-size:1rem;font-weight:600;gap:8px;justify-content:center;padding:12px 20px;transition:all .3s ease}.export-gallery-btn{background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 4px 15px #667eea4d;color:#fff}.export-gallery-btn:hover{box-shadow:0 6px 20px #667eea66;transform:translateY(-2px)}.export-download-btn{background:linear-gradient(135deg,#f093fb,#f5576c);box-shadow:0 4px 15px #f5576c4d;color:#fff}.export-download-btn:hover{box-shadow:0 6px 20px #f5576c66;transform:translateY(-2px)}@media (max-width:600px){.export-popup-content{margin:20px;width:95%}.export-popup-actions,.export-popup-body,.export-popup-header{padding:20px}.export-popup-actions{flex-direction:column}.export-download-btn,.export-gallery-btn{flex:none}}.frame-generation{background:linear-gradient(135deg,#0a0a0a,#1a1a2e 50%,#16213e);min-height:100vh;padding:20px 0}.container{max-width:1200px;padding:0 20px}.page-header{color:var(--text-primary);margin-bottom:40px}.page-header h1{background:var(--gradient-primary);font-size:2.5rem;margin-bottom:10px}.page-header p{opacity:.9}.concept-display,.frame-generation-section,.frames-preview-section,.video-editing-space{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;box-shadow:0 8px 32px #0000004d;margin-bottom:24px;padding:24px}.section-header{align-items:center;border-bottom:2px solid var(--border-color);display:flex;justify-content:space-between;margin-bottom:20px;padding-bottom:12px}.section-header h3{color:var(--text-primary);font-size:1.4rem;margin:0}.section-controls{align-items:center;display:flex;gap:16px}.minimize-btn{background:#ffffff1a;border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);cursor:pointer;font-size:16px;padding:8px 12px;transition:all .2s ease}.minimize-btn:hover{background:#fff3;border-color:var(--accent-color);transform:translateY(-1px)}.concept-card{background:var(--gradient-primary);border-radius:12px;color:#fff;margin-top:16px;padding:24px}.concept-card h2{font-size:1.8rem;margin:0 0 16px}.concept-meta{display:flex;gap:16px;margin-bottom:16px}.concept-duration,.sentiment-badge{background:#fff3;border-radius:20px;font-size:.9rem;font-weight:500;padding:4px 12px}.concept-description{font-size:1.1rem;line-height:1.6;margin:0}.generation-controls{text-align:center}.generation-controls h3{color:var(--text-primary);margin-bottom:16px}.generation-controls p{color:var(--text-secondary);line-height:1.6;margin-bottom:24px}.generate-frames-btn{align-items:center;background:var(--gradient-primary);border:none;border-radius:12px;color:#fff;cursor:pointer;display:inline-flex;font-size:1.1rem;font-weight:600;gap:8px;padding:16px 32px;transition:all .3s ease}.generate-frames-btn:hover:not(:disabled){box-shadow:0 8px 25px #4f46e566;transform:translateY(-2px)}.generate-frames-btn:disabled{cursor:not-allowed;opacity:.7}.frames-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:24px}.frames-stats{color:var(--text-secondary);display:flex;gap:16px}.videos-count{font-weight:500}.generate-all-btn,.generate-videos-btn{align-items:center;background:linear-gradient(135deg,#10b981,#059669);border:none;border-radius:10px;box-shadow:0 4px 15px #10b98166;color:#fff;cursor:pointer;display:flex;font-size:1.1rem;font-weight:700;gap:10px;padding:14px 28px;transition:all .3s ease}.generate-all-btn{background:linear-gradient(135deg,#f59e0b,#d97706);box-shadow:0 4px 15px #f59e0b66}.generate-all-btn:hover:not(:disabled),.generate-videos-btn:hover:not(:disabled){box-shadow:0 6px 20px #10b98180;transform:translateY(-2px)}.generate-all-btn:hover:not(:disabled){box-shadow:0 6px 20px #f59e0b80}.frames-grid{grid-gap:24px;display:grid;gap:24px;grid-template-columns:repeat(auto-fill,minmax(350px,1fr))}.frame-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid var(--border-color);border-radius:12px;box-shadow:0 4px 15px #0000004d;padding:20px;transition:all .3s ease}.frame-card:hover{border-color:var(--accent-color);box-shadow:0 8px 25px #0006;transform:translateY(-4px)}.frame-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:16px}.frame-header h4{color:var(--text-primary);font-size:1.2rem;margin:0}.frame-status{align-items:center;display:flex;gap:8px}.frame-duration{background:#ffffff1a;border-radius:4px;color:var(--text-secondary);font-size:.8rem;padding:4px 8px}.video-ready-badge{background:#d4edda;color:#155724}.generating-badge,.video-ready-badge{border-radius:4px;font-size:.8rem;font-weight:500;padding:4px 8px}.generating-badge{background:#fff3cd;color:#856404}.completed-badge{background:#d4edda;color:#155724}.completed-badge,.error-badge{border-radius:4px;font-size:.8rem;font-weight:500;padding:4px 8px}.error-badge{background:#f8d7da;color:#721c24}.frame-content{margin-bottom:16px}.frame-description{color:var(--text-secondary);line-height:1.5;margin-bottom:12px}.frame-audio,.frame-style,.frame-timing{color:var(--text-secondary);font-size:.9rem;margin-bottom:8px}.frame-audio strong,.frame-style strong,.frame-timing strong{color:var(--text-primary)}.frame-actions{display:flex;flex-wrap:wrap;gap:8px}.edit-frame-btn,.generate-image-btn,.generate-video-btn,.play-video-btn,.regenerate-video-btn,.retry-video-btn{align-items:center;border:none;border-radius:6px;cursor:pointer;display:inline-flex;font-size:.9rem;font-weight:500;gap:6px;padding:8px 16px;transition:all .2s ease}.edit-frame-btn{background:#ffffff1a;border:1px solid var(--border-color);color:var(--text-primary)}.edit-frame-btn:hover{background:#fff3;border-color:var(--accent-color)}.generate-image-btn{background:#17a2b8;color:#fff}.generate-image-btn:hover:not(:disabled){background:#138496}.generate-video-btn{background:#28a745}.generate-video-btn:hover:not(:disabled){background:#218838}.play-video-btn{background:#007bff;color:#fff}.play-video-btn:hover{background:#0056b3}.regenerate-video-btn,.retry-video-btn{background:#ffc107;color:#212529}.regenerate-video-btn:hover:not(:disabled),.retry-video-btn:hover:not(:disabled){background:#e0a800}.video-editing-space{background:var(--card-bg);display:flex;flex-direction:column;gap:20px}.video-editing-header{border-bottom:1px solid var(--border-color);padding:16px 0;text-align:center}.video-editing-header h3{color:var(--text-primary);font-size:1.5rem;margin:0 0 8px}.video-editing-header p{color:var(--text-secondary);font-size:1rem;margin:0}.video-preview-section{flex:0 0 auto}.timeline-editing-section{flex:1 1;min-height:300px}.video-library-section-wrapper{flex:0 0 auto;max-height:400px;overflow-y:auto}.timeline-section,.video-library-section,.video-player-section{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid var(--border-color);border-radius:8px;box-shadow:0 2px 10px #0000004d;margin-bottom:0;padding:20px}.timeline-section{min-height:250px}.timeline-playback-controls{align-items:center;display:flex;gap:8px}.timeline-play-btn,.timeline-stop-btn{background:#ffffff1a;border:1px solid var(--border-color);border-radius:4px;color:var(--text-primary);cursor:pointer;font-size:.9rem;padding:6px 12px;transition:all .2s ease}.timeline-play-btn:hover,.timeline-stop-btn:hover{background:#fff3;border-color:var(--accent-color)}.library-header,.player-header,.timeline-header{align-items:center;border-bottom:1px solid 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var(--border-color);border-radius:8px;color:var(--text-secondary);display:flex;font-size:1.1rem;height:300px;justify-content:center}.video-library-grid{grid-gap:16px;display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.library-video-card{background:#ffffff0d;border:1px solid var(--border-color);border-radius:8px;cursor:grab;padding:12px;transition:all .2s ease;-webkit-user-select:none;user-select:none}.library-video-card:active{cursor:grabbing}.library-video-card:hover{border-color:var(--accent-color);box-shadow:0 4px 15px #0000004d;transform:translateY(-2px)}.video-thumbnail{margin-bottom:8px}.thumbnail-video{background-color:#000;border-radius:6px;height:120px;object-fit:cover;width:100%}.video-frame-label{color:var(--text-primary);font-size:.9rem;font-weight:500;padding:4px 0;text-align:center}.thumbnail-placeholder{background:#ffffff1a;border-radius:6px;color:var(--text-secondary);font-size:2rem;height:120px}.thumbnail-placeholder,.video-overlay{align-items:center;display:flex;justify-content:center}.video-overlay{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#000000b3;border:3px solid #fffc;border-radius:50%;cursor:pointer;height:80px;left:50%;top:50%;transform:translate(-50%,-50%);transition:all .3s ease;width:80px}.video-overlay:hover{background:#000000e6;border-color:var(--accent-color);transform:translate(-50%,-50%) scale(1.1)}.main-video-player{background-color:#000;border-radius:8px;cursor:pointer;max-height:400px;width:100%}.timeline-container{background:#ffffff0d;border:1px solid var(--border-color);border-radius:8px;min-height:150px;padding:16px}.timeline-track{background:#ffffff05;border:1px solid var(--border-color);border-radius:6px;min-height:100px;position:relative}.timeline-ruler{align-items:center;background:#ffffff0d;border-bottom:1px solid var(--border-color);display:flex;height:25px;padding:0 8px;position:relative}.timeline-clips{align-items:center;display:flex;flex-wrap:nowrap;gap:8px;min-height:75px;padding:12px 8px}.timeline-clip{background:var(--accent-color);border-radius:6px;box-shadow:0 2px 8px #0003;color:#fff;cursor:pointer;display:flex;flex-direction:column;flex-shrink:0;height:60px;justify-content:center;margin:0 2px;min-width:120px;padding:8px 12px;position:relative;text-align:center;transition:all .2s ease}.timeline-clip:hover{box-shadow:0 4px 10px #4f46e54d;transform:translateY(-2px)}.timeline-clip.selected{border:2px solid #ec4899}.clip-content{pointer-events:none}.clip-title{font-size:.8rem;font-weight:600;line-height:1;margin-bottom:2px}.clip-duration{font-size:.7rem;line-height:1;opacity:.9}.clip-timing{font-size:.6rem;line-height:1;margin-top:2px;opacity:.8}.trim-handle{background:#ffffff4d;bottom:0;cursor:ew-resize;opacity:0;position:absolute;top:0;transition:opacity .2s ease;width:8px}.trim-handle-left{border-radius:6px 0 0 6px;left:0}.trim-handle-right{border-radius:0 6px 6px 0;right:0}.timeline-clip:hover .trim-handle{opacity:1}.trim-handle:hover{background:#ffffff80}.time-marker{border-left:1px solid var(--border-color);color:var(--text-secondary);height:20px;padding-left:2px}.remove-clip-btn,.time-marker{font-size:10px;position:absolute}.remove-clip-btn{align-items:center;background:#dc3545e6;border:none;border-radius:50%;color:#fff;cursor:pointer;display:flex;height:16px;justify-content:center;right:2px;top:2px;width:16px}.remove-clip-btn:hover{background:#dc3545}.clip-properties{background:#ffffff14;border:1px solid var(--border-color);border-radius:8px;margin-top:16px;padding:20px}.clip-properties-header{align-items:center;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;margin-bottom:16px;padding-bottom:8px}.clip-properties-header h4{color:var(--text-primary);font-size:1.1rem;margin:0}.clip-duration-display{background:#ffffff1a;border-radius:4px;color:var(--text-secondary);font-size:.9rem;padding:4px 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