:root{
  --bg:#0b0b0f;
  --panel:#0f1720;
  --accent:#ffb86b;
  --muted:#94a3b8;
  --accent-2:#7dd3fc;
  color-scheme: dark;
}
*{box-sizing:border-box;font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;}
body{margin:0;background:linear-gradient(180deg,#071025 0%, #051018 100%);color:#e6eef8;}
header{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:rgba(255,255,255,0.02);border-bottom:1px solid rgba(255,255,255,0.03);}
header h1{margin:0;font-size:18px;}
.controls{display:flex;gap:8px;align-items:center;}
.controls input[type=file]{background:transparent;color:var(--muted);}
main{display:grid;grid-template-columns:280px 1fr 320px;gap:16px;padding:16px;}
.left-pane,.center-pane,.right-pane{background:var(--panel);padding:12px;border-radius:8px;border:1px solid rgba(255,255,255,0.02);}
#file-list{max-height:60vh;overflow:auto;}
.file-item{padding:6px;border-radius:6px;margin-bottom:6px;background:rgba(255,255,255,0.01);display:flex;justify-content:space-between;align-items:center;cursor:grab;}
.file-item:hover{outline:1px solid rgba(255,255,255,0.02);}
#preview-container{display:flex;flex-direction:column;gap:8px;}
#preview-video,#preview-audio,#preview-image{max-width:100%;border-radius:6px;background:#000;}
.effects{display:flex;gap:8px;flex-wrap:wrap;padding:8px 0;}
.sliders{display:flex;flex-direction:column;gap:8px;padding:8px 0;}
#timeline{display:flex;flex-direction:column;gap:6px;min-height:180px;border-radius:6px;padding:8px;background:rgba(0,0,0,0.2);}
.track{min-height:50px;border:1px dashed rgba(255,255,255,0.03);padding:6px;border-radius:6px;color:var(--muted);display:flex;gap:8px;align-items:center;overflow:auto;}
.track .clip{background:linear-gradient(90deg,var(--accent),var(--accent-2));padding:6px;border-radius:4px;margin-right:6px;cursor:grab;color:#000;font-weight:600;}
#log{max-height:120px;overflow:auto;background:#02030a;padding:8px;border-radius:6px;}
footer{text-align:center;padding:12px;color:var(--muted);font-size:12px;}
button{background:linear-gradient(180deg, #1f2937, #111827);border:1px solid rgba(255,255,255,0.02);color:#e6eef8;padding:8px;border-radius:6px;cursor:pointer;}
input[type=range]{width:200px;}