:root{color-scheme:dark;--bg:#111315;--panel:#1a1d21;--panel-strong:#22262c;--panel-soft:#16191d;--line:#323842;--line-soft:#252b33;--text:#f2f5f7;--muted:#9aa5b1;--accent:#e5484d;--accent-2:#2eaadc;--ok:#42b883;--warning:#e5a72f;--track-video:#3268d8;--track-audio:#37a169;--track-text:#c084fc;--track-image:#f59e0b;--radius:8px}*{box-sizing:border-box}body,html{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:0}button,input,select,textarea{font:inherit}button{cursor:pointer}.editor{display:grid;grid-template-rows:48px minmax(0,1fr) 260px;height:100vh;min-width:960px;overflow:hidden}.topbar{background:#15181c;border-bottom:1px solid var(--line);gap:12px;padding:0 14px}.brand,.topbar{align-items:center;display:flex}.brand{font-size:14px;font-weight:700;gap:8px;min-width:210px}.brand-mark{background:var(--accent);border-radius:4px;height:18px;width:18px}.toolbar{align-items:center;display:flex;gap:8px}.file-input{display:none}.import-error{color:var(--warning);font-size:12px;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sr-only{height:1px;margin:-1px;overflow:hidden;position:absolute;width:1px}.canvas-controls{align-items:center;color:var(--muted);display:inline-flex;font-size:12px;gap:8px;white-space:nowrap}.canvas-controls select{padding:0 8px}.canvas-controls select,.icon-button,.text-button{background:var(--panel-strong);border:1px solid var(--line);border-radius:6px;color:var(--text);height:32px}.icon-button,.text-button{align-items:center;display:inline-flex;gap:8px;justify-content:center;padding:0 10px}.icon-button{padding:0;width:32px}.icon-button:disabled,.text-button:disabled{color:#5f6b78;cursor:not-allowed}.main{display:grid;grid-template-columns:260px minmax(520px,1fr) 340px}.inspector-column,.main,.media-gallery,.preview-column,.timeline-panel{min-height:0}.media-gallery{background:var(--panel);border-right:1px solid var(--line);overflow:auto;padding:16px 12px}.media-empty{align-items:center;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);display:flex;gap:8px;min-height:78px;justify-content:center}.media-list{display:grid;grid-gap:8px;gap:8px}.media-item{align-items:center;background:#101215;border:1px solid var(--line);border-radius:var(--radius);color:var(--text);cursor:pointer;display:grid;grid-gap:10px;gap:10px;grid-template-columns:64px minmax(0,1fr) 62px;min-height:58px;padding:6px;text-align:left;width:100%}.media-item.selected{border-color:var(--accent)}.media-thumb{align-items:center;background:#070809;border-radius:6px;color:var(--muted);display:flex;height:46px;justify-content:center;object-fit:cover;overflow:hidden;width:64px}.image-thumb{background-position:50%;background-repeat:no-repeat;background-size:cover}.empty-thumb.audio{color:var(--track-audio)}.empty-thumb.video{color:var(--track-video)}.empty-thumb.image{color:var(--track-image)}.media-meta{display:grid;grid-gap:3px;gap:3px;min-width:0}.media-detail,.media-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.media-name{font-size:12px;font-weight:700}.media-detail{color:var(--muted);font-size:11px;text-transform:capitalize}.media-actions{align-items:center;display:flex;gap:6px}.media-action-button{align-items:center;background:var(--panel-strong);border:1px solid var(--line);border-radius:6px;color:var(--text);display:inline-flex;height:28px;justify-content:center;padding:0;width:28px}.media-action-button:hover{border-color:var(--accent)}.media-action-button.danger:hover{color:var(--accent)}.preview-column{background:var(--panel-soft);border-right:1px solid var(--line);display:grid;grid-template-rows:minmax(0,1fr) 72px}.preview-stage{align-items:center;display:flex;justify-content:center;min-height:0;padding:18px}.canvas{aspect-ratio:16/9;background:#050607;border:1px solid #050607;box-shadow:0 18px 70px rgba(0,0,0,.42);flex:0 0 auto;overflow:hidden;position:relative}.canvas-grid{background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 0),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 0);background-size:48px 48px;inset:0;pointer-events:none;position:absolute}.preview-layer{align-items:center;border:1px solid rgba(255,255,255,.18);cursor:move;display:flex;justify-content:center;overflow:visible;position:absolute;touch-action:none;transform-origin:center}.preview-layer.selected{border-color:#fff;box-shadow:0 0 0 1px #fff}.preview-layer-inner{align-items:center;display:flex;inset:0;justify-content:center;overflow:hidden;position:absolute}.preview-resize-handle{background:#fff;border:1px solid #101215;border-radius:999px;height:9px;position:absolute;width:9px;z-index:3}.preview-resize-handle.n,.preview-resize-handle.s{left:50%;transform:translateX(-50%)}.preview-resize-handle.e,.preview-resize-handle.w{top:50%;transform:translateY(-50%)}.preview-resize-handle.n{cursor:ns-resize;top:-5px}.preview-resize-handle.e{cursor:ew-resize;right:-5px}.preview-resize-handle.s{bottom:-5px;cursor:ns-resize}.preview-resize-handle.w{cursor:ew-resize;left:-5px}.preview-resize-handle.nw{cursor:nwse-resize;left:-5px;top:-5px}.preview-resize-handle.ne{cursor:nesw-resize;right:-5px;top:-5px}.preview-resize-handle.sw{bottom:-5px;cursor:nesw-resize;left:-5px}.preview-resize-handle.se{bottom:-5px;cursor:nwse-resize;right:-5px}.preview-rotate-handle{background:#f43f5e;border:1px solid #101215;border-radius:999px;cursor:-webkit-grab;cursor:grab;height:12px;left:50%;position:absolute;top:-36px;transform:translateX(-50%);width:12px;z-index:4}.preview-rotate-handle:active{cursor:-webkit-grabbing;cursor:grabbing}.preview-rotate-handle:before{background:rgba(255,255,255,.86);content:"";height:24px;left:50%;position:absolute;top:11px;transform:translateX(-50%);width:1px}.preview-media{background-position:50%;background-repeat:no-repeat;background-size:cover;height:100%;object-fit:cover;width:100%}.preview-layer.text{border-color:rgba(192,132,252,.58);color:inherit;line-height:1.1;padding:4px}.preview-layer.media{background:linear-gradient(135deg,rgba(46,170,220,.28),rgba(50,104,216,.2))}.preview-layer.image{background:linear-gradient(135deg,rgba(245,158,11,.32),rgba(229,72,77,.15))}.transport{align-items:center;background:#15181c;border-top:1px solid var(--line);display:grid;grid-gap:12px;gap:12px;grid-template-columns:auto 1fr auto;padding:12px 16px}.timecode{color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;min-width:124px}.scrub{accent-color:var(--accent);width:100%}.inspector-column{background:var(--panel);overflow:auto;padding:16px}.section-title{color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.08em;margin:0 0 10px;text-transform:uppercase}.field-grid{display:grid;grid-gap:10px;gap:10px}.field{display:grid;grid-gap:5px;gap:5px}.field.inline{align-items:center;grid-template-columns:1fr auto}.field label{color:var(--muted);font-size:12px}.field input,.field select,.field textarea{background:#101215;border:1px solid var(--line);border-radius:6px;color:var(--text);min-height:32px;padding:6px 8px}.field textarea{min-height:74px;resize:vertical}.two-col{display:grid;grid-gap:10px;gap:10px;grid-template-columns:1fr 1fr}.timeline-panel{background:#121519;border-top:1px solid var(--line);display:grid;grid-template-rows:36px 1fr;overflow:hidden}.timeline-controls{align-items:center;border-bottom:1px solid var(--line);display:flex;gap:10px;padding:0 12px}.timeline{overflow:auto;position:relative}.ruler{background:#171b20;border-bottom:1px solid var(--line);height:30px;position:-webkit-sticky;position:sticky;top:0;z-index:5}.ruler-mark{border-left:1px solid var(--line);color:var(--muted);font-size:11px;height:30px;padding-left:4px;position:absolute;top:0}.tracks{position:relative}.track{border-bottom:1px solid var(--line-soft);display:grid;grid-template-columns:128px 1fr;height:54px}.track-label{align-items:center;background:#171b20;border-right:1px solid var(--line);color:var(--muted);display:flex;font-size:12px;gap:8px;padding:0 12px;position:-webkit-sticky;position:sticky;left:0;z-index:4}.track-lane{position:relative}.clip{align-items:center;border:1px solid rgba(255,255,255,.18);border-radius:6px;color:#fff;display:flex;font-size:12px;height:36px;min-width:24px;overflow:hidden;padding:0 8px;position:absolute;top:9px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.clip.video{background:var(--track-video)}.clip.audio{background:var(--track-audio)}.clip.text{background:var(--track-text)}.clip.image{background:var(--track-image)}.clip.selected{box-shadow:inset 0 0 0 2px #fff}.clip.muted{filter:saturate(.6);opacity:.68}.clip-actions{align-items:center;display:flex;gap:3px;margin-left:auto;padding-left:6px;position:relative;z-index:2}.clip-action-button{align-items:center;background:rgba(0,0,0,.24);border:1px solid rgba(255,255,255,.22);border-radius:4px;color:#fff;display:inline-flex;height:20px;justify-content:center;padding:0;width:20px}.clip-action-button:hover{background:rgba(0,0,0,.38)}.trim-handle{bottom:0;position:absolute;top:0;width:8px}.trim-handle.left{cursor:ew-resize;left:0}.trim-handle.right{cursor:ew-resize;right:0}.playhead{bottom:0;top:30px;width:2px;z-index:7}.playhead,.playhead:before{background:var(--accent);position:absolute}.playhead:before{border-radius:0 0 4px 4px;content:"";height:12px;left:-5px;top:-30px;width:12px}.export-panel{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}.progress{background:#0d0f12;border-radius:999px;height:8px;overflow:hidden}.progress span{background:var(--ok);display:block;height:100%}