:root{--bg: #111318;--bg-raised: #191c23;--bg-input: #22262f;--border: #2b303b;--text: #e6e9ef;--text-dim: #8b93a4;--accent: #4c9aff;--danger: #ff4d5e;--radius: 8px;--stage-inset: 12px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:13px;overflow:hidden;user-select:none}.app{display:flex;flex-direction:column;height:100%}.dropzone{flex:1;display:grid;place-items:center;margin:16px;border:2px dashed var(--border);border-radius:14px;transition:border-color .12s,background .12s}.dropzone.hovering{border-color:var(--accent);background:#4c9aff0f}.dropzone-inner{text-align:center;display:grid;gap:12px;justify-items:center}.dropzone-inner h1{margin:0;font-size:30px;letter-spacing:-.5px}.dropzone-inner p{margin:0;color:var(--text-dim);max-width:40ch}.workspace{flex:1;display:grid;grid-template-columns:minmax(0,1fr) clamp(220px,24vw,300px);min-height:0}.workspace main{display:grid;grid-template-rows:minmax(0,1fr) auto auto auto;min-width:0;min-height:0}.stage{position:relative;display:grid;place-items:center;background:#000;min-height:0;overflow:hidden}.stage video{position:absolute;top:var(--stage-inset);left:var(--stage-inset);width:calc(100% - 2 * var(--stage-inset));height:calc(100% - 2 * var(--stage-inset));object-fit:contain}.audio-placeholder{display:grid;gap:6px;justify-items:center;color:var(--text-dim)}.timeline{border-top:1px solid var(--border);background:var(--bg-raised)}.ruler{overflow:hidden;height:24px;cursor:pointer}.waveform{height:132px;overflow-x:auto;overflow-y:hidden}.waveform-canvas{display:block;cursor:crosshair}.waveform-empty{height:132px}.ruler canvas,.waveform-canvas{image-rendering:pixelated}.transport{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:8px 12px;border-top:1px solid var(--border);background:var(--bg-raised)}.timecode{font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px;min-width:0;white-space:nowrap}.zoom{margin-left:auto;display:flex;align-items:center;gap:6px;min-width:0}.zoom input[type=range]{width:clamp(60px,12vw,120px)}.filebar{display:flex;align-items:baseline;gap:10px;padding:6px 12px 10px;border-top:1px solid var(--border);background:var(--bg-raised)}.filename{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar{border-left:1px solid var(--border);background:var(--bg-raised);padding:12px 14px;display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:12px;overflow:hidden;min-width:0}.sidebar-scroll{overflow-y:auto;scrollbar-gutter:stable;display:flex;flex-direction:column;gap:12px;min-height:0}.sidebar-head{padding-bottom:10px;border-bottom:1px solid var(--border)}.sidebar h2{margin:0 0 10px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim)}.control{display:block;margin-bottom:10px}.segmented{display:grid;grid-template-columns:repeat(5,1fr);gap:2px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);padding:2px}.segmented button{border:none;background:transparent;border-radius:calc(var(--radius) - 3px);padding:6px 2px;font-size:11px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.segmented button.active{background:var(--accent);color:#08121f;font-weight:600}.segmented button:hover:not(.active){background:#2a2f3a}.control-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:5px}.control-readout{font-family:ui-monospace,SFMono-Regular,monospace;font-size:11px;color:var(--text-dim)}.control-hint{margin:4px 0 0;font-size:11px;line-height:1.4;color:var(--text-dim)}.control-hint.inline{margin:0;flex:1}.checkbox,.radio{display:flex;align-items:center;gap:8px;margin-bottom:10px;cursor:pointer}fieldset{border:none;padding:0;margin:0 0 14px}fieldset legend{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin-bottom:8px}.stats dl{margin:0;display:grid;gap:6px}.stats dl>div{display:flex;justify-content:space-between}.stats dt{color:var(--text-dim)}.stats dd{margin:0;font-family:ui-monospace,SFMono-Regular,monospace}.accent{color:var(--accent)}.sidebar>button.primary{margin-inline:-14px;margin-bottom:-12px;border-radius:0;padding-block:11px}button{font:inherit;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-input);color:var(--text);padding:7px 12px;cursor:pointer}button:hover:not(:disabled){border-color:#3b424f;background:#2a2f3a}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#08121f;font-weight:600}button.primary:hover:not(:disabled){background:#62a8ff;border-color:#62a8ff}button.icon{min-width:38px;text-align:center}button.ghost{background:transparent}input[type=range]{width:100%;accent-color:var(--accent)}select{width:100%;font:inherit;padding:6px 8px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-input);color:var(--text)}input[type=checkbox],input[type=radio]{accent-color:var(--accent)}.dim{color:var(--text-dim)}.warning{margin:0;padding:8px 10px;border-radius:var(--radius);background:#ffb0201f;border:1px solid rgba(255,176,32,.35);color:#ffd99a;line-height:1.45}.small{font-size:11px}.overlay,.modal-backdrop{position:fixed;inset:0;background:#080a0eb8;display:grid;place-items:center;z-index:10}.overlay-card,.modal{background:var(--bg-raised);border:1px solid var(--border);border-radius:12px;padding:18px;min-width:320px;box-shadow:0 18px 50px #00000080}.modal{width:480px;max-width:calc(100vw - 48px);display:grid;gap:14px}.modal header h2{margin:0 0 4px;font-size:16px}.modal header p{margin:0}.tabs{display:flex;gap:6px}.tabs button{flex:1}.tabs button.active{border-color:var(--accent);color:var(--accent)}.modal-body{display:grid;gap:6px}.modal footer{display:flex;justify-content:flex-end;gap:8px}.progress{position:relative;height:8px;border-radius:99px;background:var(--bg-input)}.progress-bar{height:8px;border-radius:99px;background:var(--accent);transition:width .12s linear}.progress span{position:absolute;right:0;top:12px;font-size:11px;color:var(--text-dim)}.overlay-card{display:grid;gap:12px}.done{display:flex;align-items:center;gap:10px;color:var(--text-dim)}.error-banner{display:flex;align-items:center;gap:12px;padding:10px 14px;background:#ff4d5e24;border-bottom:1px solid rgba(255,77,94,.4);color:#ffd7db}.error-banner span{flex:1;user-select:text}