:root{--bg: #0e1015;--bg-panel: #161a22;--bg-raised: #1d2230;--bg-input: #10131a;--border: #2a3140;--text: #e6eaf2;--text-dim: #8d97ab;--accent: #4f7cff;--accent-soft: #4f7cff22;--track-image: #3b82f6;--track-sfx: #f59e0b;--track-music: #a855f7;--track-voice: #22c55e;--track-reveal: #ec4899;--track-intro: #64748b;--danger: #ef4444;--ok: #22c55e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:13px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow:hidden}button{font:inherit;color:var(--text);background:var(--bg-raised);border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer}button:hover:not(:disabled){background:#262d3d}button:disabled{opacity:.4;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover:not(:disabled){background:#3d6bf0}button.danger{border-color:#7f2222;color:#ff9c9c}button.ghost{background:transparent}input,textarea,select{font:inherit;width:100%;color:var(--text);background:var(--bg-input);border:1px solid var(--border);border-radius:6px;padding:6px 8px}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent)}textarea{resize:vertical;line-height:1.5}label{display:block;font-size:11px;color:var(--text-dim);margin:10px 0 4px;text-transform:uppercase;letter-spacing:.04em}.app{display:flex;flex-direction:column;height:100vh}.topbar{display:flex;align-items:center;gap:12px;padding:0 14px;height:48px;flex:0 0 48px;background:var(--bg-panel);border-bottom:1px solid var(--border)}.topbar .brand{font-weight:700;letter-spacing:.02em}.topbar .spacer{flex:1}.badge{font-size:11px;padding:3px 8px;border-radius:20px;background:var(--bg-raised);border:1px solid var(--border);color:var(--text-dim)}.badge.credits{color:#ffd479;border-color:#4a3b1a;background:#2a2312}.main{display:flex;flex:1;min-height:0}.center{display:flex;flex-direction:column;flex:1;min-width:0}.sidebar{width:232px;flex:0 0 232px;overflow-y:auto;background:var(--bg-panel);border-right:1px solid var(--border);padding:10px}.inspector{width:340px;flex:0 0 340px;overflow-y:auto;background:var(--bg-panel);border-left:1px solid var(--border);padding:14px}.section-title{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);margin:0 0 8px}.video-item{padding:8px;border-radius:8px;cursor:pointer;margin-bottom:4px;border:1px solid transparent;display:flex;gap:8px;align-items:center}.video-item:hover{background:var(--bg-raised)}.video-item.active{background:var(--accent-soft);border-color:var(--accent)}.video-item img{width:30px;height:52px;object-fit:cover;border-radius:4px;flex:0 0 30px;background:#000}.video-item .meta{min-width:0}.video-item .name{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.video-item .sub{font-size:11px;color:var(--text-dim)}.preview{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;background:#07080c;position:relative;padding:14px}.preview-frame{height:100%;aspect-ratio:9 / 16;background:#000;position:relative;border-radius:8px;overflow:hidden;box-shadow:0 8px 40px #0008}.preview-frame img{width:100%;height:100%;object-fit:cover;display:block}.preview-reveal{position:absolute;left:0;right:0;bottom:30%;text-align:center;font-family:Arial Black,sans-serif;font-size:clamp(18px,4.4vh,40px);color:#d8e6f2;-webkit-text-stroke:2px #000;padding:0 6%;line-height:1.15;text-shadow:3px 3px 0 #000a}.preview-empty{color:var(--text-dim);font-size:12px}.transport{display:flex;align-items:center;gap:10px;padding:8px 14px;background:var(--bg-panel);border-top:1px solid var(--border)}.transport .time{font-variant-numeric:tabular-nums;color:var(--text-dim);font-size:12px}.timeline{height:250px;flex:0 0 250px;display:flex;flex-direction:column;background:var(--bg-panel);border-top:1px solid var(--border)}.timeline-head{display:flex;align-items:center;gap:10px;padding:6px 12px;border-bottom:1px solid var(--border)}.timeline-body{flex:1;overflow:auto;position:relative;display:flex}.track-labels{flex:0 0 92px;position:sticky;left:0;z-index:3;background:var(--bg-panel)}.track-label{height:40px;display:flex;align-items:center;padding:0 10px;font-size:11px;color:var(--text-dim);border-bottom:1px solid var(--border);border-right:1px solid var(--border)}.track-label.ruler{height:22px}.tracks-area{position:relative;flex:1}.ruler{height:22px;position:relative;border-bottom:1px solid var(--border);background:var(--bg-panel)}.ruler-tick{position:absolute;top:0;height:100%;border-left:1px solid #2a3140;font-size:9px;color:var(--text-dim);padding-left:3px}.track{height:40px;position:relative;border-bottom:1px solid var(--border)}.track:nth-child(2n){background:#ffffff04}.clip{position:absolute;top:4px;height:32px;border-radius:4px;overflow:hidden;cursor:pointer;font-size:10px;border:1px solid #0006;display:flex;align-items:center;padding:0 5px;white-space:nowrap;color:#fff}.clip.selected{outline:2px solid #fff;outline-offset:-1px;z-index:2}.clip .thumb{width:20px;height:24px;object-fit:cover;border-radius:2px;margin-right:5px;flex:0 0 20px}.clip-label{overflow:hidden;text-overflow:ellipsis}.playhead{position:absolute;top:0;bottom:0;width:2px;background:#fc0;z-index:4;pointer-events:none}.playhead:before{content:"";position:absolute;top:0;left:-5px;border:6px solid 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#ffffff30;border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;flex:0 0 12px}@keyframes spin{to{transform:rotate(360deg)}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000a;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:var(--bg-panel);border:1px solid var(--border);border-radius:10px;padding:18px;width:380px;box-shadow:0 20px 60px #000a}.modal h3{margin:0 0 8px;font-size:15px}.modal .actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.empty-state{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-dim)}.login-screen{height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,#171c28 0%,var(--bg) 70%)}.clip.movable{cursor:grab}.clip.movable:active{cursor:grabbing}.clip-handle{position:absolute;right:0;top:0;bottom:0;width:7px;cursor:ew-resize;background:linear-gradient(90deg,transparent,#0007)}.clip-handle:hover{background:#fff8}.clip-badge{font-size:9px;opacity:.85;margin-right:4px;flex:0 0 auto}.sidebar{display:flex;flex-direction:column;padding:0}.sidebar-projects{padding:10px;overflow-y:auto;flex:0 1 auto;max-height:30%}.library{border-top:1px solid var(--border);padding:10px;display:flex;flex-direction:column;min-height:0;flex:0 1 auto;max-height:32%}.library.drag-over{background:var(--accent-soft);outline:2px dashed var(--accent);outline-offset:-6px}.library-head{display:flex;align-items:center;gap:6px;margin-bottom:8px}.library-filters{display:flex;gap:4px;margin-bottom:8px;flex-wrap:wrap}.chip{font-size:10px;padding:3px 8px;border-radius:20px;background:transparent;border:1px solid var(--border);color:var(--text-dim)}.chip.on{background:var(--accent-soft);border-color:var(--accent);color:var(--text)}.library-list{overflow-y:auto;flex:1;min-height:0}.library-item{display:flex;align-items:center;gap:7px;padding:5px 4px;border-radius:6px;border:1px solid transparent}.library-item:hover{background:var(--bg-raised);border-color:var(--border)}.lib-thumb{width:26px;height:26px;flex:0 0 26px;border-radius:4px;background:var(--bg-input);display:flex;align-items:center;justify-content:center;font-size:13px}.lib-meta{min-width:0;flex:1}.lib-name{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-sub{font-size:10px;color:var(--text-dim)}.lib-actions{display:flex;gap:2px;flex:0 0 auto}button.tiny{padding:2px 6px;font-size:11px;line-height:1.2}button.tiny.danger{border-color:transparent;color:#ff9c9c}.lib-preview{margin-top:8px;padding-top:8px;border-top:1px solid var(--border)}.picker{margin-top:8px;border:1px solid var(--accent);border-radius:8px;padding:8px;background:var(--bg-input);max-height:240px;overflow-y:auto}.picker-head{display:flex;align-items:center;margin-bottom:6px}.picker-item{display:flex;align-items:center;gap:8px;width:100%;text-align:left;background:transparent;border:1px solid transparent;padding:5px 6px;margin-bottom:2px}.picker-item:hover:not(:disabled){background:var(--bg-raised);border-color:var(--border)}.picker-item .lib-name{flex:1}.version-menu{position:relative}.version-list{position:absolute;right:0;top:calc(100% + 6px);width:330px;z-index:40;background:var(--bg-panel);border:1px solid var(--border);border-radius:8px;padding:8px;box-shadow:0 12px 40px #000a;max-height:340px;overflow-y:auto}.version-item{display:flex;align-items:center;gap:6px;padding:6px;border-radius:6px;border:1px solid transparent}.version-item:hover{background:var(--bg-raised);border-color:var(--border)}.assistant{border-top:1px solid var(--border);padding:10px;display:flex;flex-direction:column;min-height:0;flex:1}.assistant .section-title{display:flex;align-items:center;gap:6px}.assistant-clear{margin-left:auto;font-size:10px;padding:2px 6px}.assistant-log{overflow-y:auto;flex:1;min-height:60px;margin-bottom:8px}.assistant-msg{margin-bottom:10px;font-size:12px;line-height:1.5}.assistant-msg p{margin:0;white-space:pre-wrap}.assistant-msg.user{background:var(--accent-soft);border:1px solid var(--accent);border-radius:8px 8px 2px;padding:6px 8px;margin-left:20px}.assistant-msg.assistant{color:var(--text)}.assistant-proposal{margin-top:8px;padding:8px;border-radius:8px;background:var(--bg-raised);border:1px solid var(--border)}.assistant-proposal-why{color:var(--text-dim);margin-bottom:6px!important}.assistant-proposal ul{margin:0 0 8px;padding-left:0;list-style:none}.assistant-proposal li{font-size:11px;padding:4px 0;border-top:1px solid var(--border);line-height:1.4}.assistant-action-kind{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.4px;color:var(--text-dim);margin-bottom:1px}.assistant-applied{font-size:11px;color:var(--ok);margin:0!important}.assistant-input{display:flex;gap:6px;align-items:flex-end}.assistant-input textarea{flex:1;resize:none;font-family:inherit;font-size:12px;line-height:1.4;background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 8px}.assistant-input textarea:focus{outline:none;border-color:var(--accent)}