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2px;transition:all .2s;display:flex;position:absolute;top:10px;right:10px}.frame-ref-slot:hover{border-color:var(--primary);background:#000000e6}.frame-ref-thumb{object-fit:cover;border-radius:3px;width:24px;height:24px}.frame-ref-text{color:#fff;font-size:.68rem;font-weight:500}.frame-ref-remove{color:#fff9;margin-left:2px;font-size:.75rem}.frame-ref-remove:hover{color:#ef4444}.frame-play-center{z-index:2;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#fff;cursor:pointer;background:#000000a6;border:1px solid #ffffff4d;border-radius:50%;justify-content:center;align-self:center;align-items:center;width:48px;height:48px;transition:all .2s;display:flex;position:relative}.frame-play-center:hover{background:var(--primary);color:var(--primary-text);border-color:var(--primary);transform:scale(1.1)}.frame-bottom-info{z-index:2;position:relative}.frame-track-title{color:#fff;text-shadow:0 1px 3px #000c;font-size:.85rem;font-weight:600}.frame-meta-line{color:#ffffffbf;margin-top:2px;font-size:.7rem}.timeline-preview{background:var(--surface);border:1px solid 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#f59e0b73}.generate-btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn-credit-tag{background:#170d0133;border:1px solid #170d0140;border-radius:999px;padding:2px 9px;font-size:.8rem;font-weight:600}.studio-secondary-link{text-align:center;color:var(--text-muted);cursor:pointer;font-size:.8rem;text-decoration:none;transition:color .2s;display:block}.studio-secondary-link:hover{color:var(--text);text-decoration:underline}.live-modal-backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;background:#000000bf;justify-content:center;align-items:center;padding:1.5rem;display:flex;position:fixed;inset:0}.live-modal-card{background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-xl);text-align:left;width:100%;max-width:420px;padding:1.75rem;box-shadow:0 20px 50px #000000d9}.live-modal-title{color:var(--text);align-items:center;gap:.5rem;margin-bottom:.5rem;font-size:1.15rem;font-weight:700;display:flex}.live-modal-desc{color:var(--text-muted);margin-bottom:1.25rem;font-size:.85rem;line-height:1.5}.live-modal-actions{justify-content:flex-end;gap:.75rem;display:flex}.btn-confirm-primary{background:var(--primary);color:var(--primary-text);border-radius:var(--radius-sm);cursor:pointer;border:none;padding:8px 18px;font-size:.85rem;font-weight:600}.btn-confirm-secondary{border:1px solid var(--border);color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;background:0 0;padding:8px 16px;font-size:.85rem}.sr-only-element{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.music-mode-toggle{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);gap:3px;padding:3px;display:flex}.music-mode-btn{border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;background:0 0;border:none;align-items:center;gap:4px;padding:4px 10px;font-size:.775rem;font-weight:500;transition:all .15s;display:flex}.music-mode-btn:hover{color:var(--text)}.music-mode-btn.active{background:var(--bg-subtle);color:var(--primary);font-weight:600;box-shadow:0 1px 4px #0000004d}.music-mode-btn.active.inst{color:var(--accent-cyan)}.lyrics-input-area{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;flex:1;min-height:200px;padding:1rem 1.15rem;display:flex;position:relative}.lyrics-structure-tags{scrollbar-width:none;border-top:1px solid #ffffff0d;align-items:center;gap:.4rem;margin-top:.5rem;padding-top:.5rem;display:flex;overflow-x:auto}.lyrics-tag-chip{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;white-space:nowrap;background:#ffffff0a;border-radius:4px;padding:2px 7px;font-family:monospace;font-size:.72rem;transition:all .15s}.lyrics-tag-chip:hover{color:var(--primary);background:#f59e0b1f;border-color:#f59e0b4d}.music-canvas-deck{aspect-ratio:16/9;border-radius:var(--radius-lg);border:1px solid var(--border);background:radial-gradient(circle,#1b1713 0%,#100d0a 70%,#080605 100%);justify-content:center;align-items:center;width:100%;display:flex;position:relative;overflow:hidden;box-shadow:inset 0 0 20px #000c}.music-vinyl-disk{background:radial-gradient(circle,#221c17 0%,#0d0b09 40%,#1b1713 70%,#0a0907 100%);border:3px solid #332b23;border-radius:50%;justify-content:center;align-items:center;width:140px;height:140px;transition:transform .4s;display:flex;position:relative;box-shadow:0 10px 30px #000c,inset 0 0 12px #000000e6}.music-vinyl-disk.spinning{animation:12s linear infinite spinVinyl}@keyframes spinVinyl{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.music-vinyl-groove{pointer-events:none;border:1px dashed #ffffff14;border-radius:50%;position:absolute;inset:10px}.music-vinyl-center{border:2px solid var(--primary);border-radius:50%;width:58px;height:58px;position:relative;overflow:hidden;box-shadow:0 0 12px #f59e0b59}.music-vinyl-center img{object-fit:cover;width:100%;height:100%}.music-vinyl-hole{background:#0d0b09;border:1px solid #ffffff4d;border-radius:50%;width:10px;height:10px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.music-canvas-overlay{background:linear-gradient(#0000,#0d0b09f2);justify-content:space-between;align-items:flex-end;padding:.85rem 1rem;display:flex;position:absolute;bottom:0;left:0;right:0}.music-canvas-track-title{color:#fff;white-space:nowrap;text-overflow:ellipsis;max-width:240px;font-size:.95rem;font-weight:700;overflow:hidden}.music-canvas-track-meta{color:var(--text-muted);align-items:center;gap:.4rem;margin-top:2px;font-size:.725rem;display:flex}.handoff-mv-bar{border-radius:var(--radius-md);background:linear-gradient(135deg,#ec48991f,#a855f71f);border:1px solid #ec48994d;justify-content:space-between;align-items:center;margin-top:.25rem;padding:.65rem .9rem;display:flex}.handoff-mv-text{color:var(--text);align-items:center;gap:.35rem;font-size:.76rem;display:flex}.handoff-mv-btn{color:#fff;background:linear-gradient(135deg,#ec4899,#a855f7);border-radius:4px;align-items:center;gap:3px;padding:3px 8px;font-size:.74rem;font-weight:600;text-decoration:none;transition:transform .15s;display:inline-flex;box-shadow:0 2px 8px #ec48994d}.handoff-mv-btn:hover{transform:translateY(-1px)}.history-modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;background:#000000bf;justify-content:center;align-items:center;padding:1.5rem;display:flex;position:fixed;inset:0}.history-modal-card{background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-xl);flex-direction:column;width:100%;max-width:680px;max-height:80vh;display:flex;overflow:hidden;box-shadow:0 24px 60px #000000e6}.history-modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.history-modal-title{align-items:center;gap:.5rem;font-size:1.1rem;font-weight:700;display:flex}.history-modal-body{flex:1;padding:0;overflow-y:auto}.history-track-row{border-bottom:1px solid var(--border);cursor:pointer;align-items:center;gap:1rem;padding:.85rem 1.5rem;transition:background .15s;display:flex}.history-track-row:hover{background:var(--surface-hover)}.history-track-row.playing{border-left:3px solid var(--primary);background:#f59e0b14}.history-track-thumb{border-radius:var(--radius-sm);background:#000;flex-shrink:0;width:44px;height:44px;position:relative;overflow:hidden}.history-track-thumb img{object-fit:cover;width:100%;height:100%}.history-track-info{flex:1;min-width:0}.history-track-title{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:.88rem;font-weight:600;overflow:hidden}.history-track-sub{color:var(--text-dim);align-items:center;gap:.4rem;margin-top:2px;font-size:.72rem;display:flex}.history-pagination{border-top:1px solid var(--border);color:var(--text-muted);background:var(--bg-subtle);justify-content:space-between;align-items:center;padding:.85rem 1.5rem;font-size:.8rem;display:flex}.history-page-btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;padding:4px 12px;font-size:.75rem;transition:all .15s}.history-page-btn:hover:not(:disabled){border-color:var(--border-strong);background:var(--surface-hover)}.history-page-btn:disabled{opacity:.4;cursor:not-allowed}