:root { color-scheme: dark; --bg:#0e0e10; --panel:#19191d; --line:#34343a; --red:#cf2828; --text:#f5f5f6; --muted:#aaaab2; }
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--text); font-family:Arial, sans-serif; }
header { display:flex; justify-content:space-between; align-items:center; padding:20px 18px 12px; }
h1 { font-size:25px; margin:2px 0 0; } .eyebrow { color:var(--red); letter-spacing:2px; font-size:11px; margin:0; font-weight:bold; }
main { padding:0 14px calc(24px + env(safe-area-inset-bottom)); max-width:760px; margin:auto; }
.icon-button { background:var(--panel); border:1px solid var(--line); color:var(--text); border-radius:12px; font-size:25px; width:46px; height:42px; }
.uploads { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin:8px 0 14px; }
.upload-card { display:flex; flex-direction:column; gap:5px; min-height:108px; justify-content:center; text-align:center; padding:12px 6px; border:1px dashed #5d5d66; border-radius:14px; background:var(--panel); cursor:pointer; }
.upload-card span { font-size:24px; } .upload-card small { color:var(--muted); font-size:11px; } .upload-card input { display:none; }
.canvas-wrap { position:relative; min-height:350px; display:flex; align-items:center; justify-content:center; overflow:hidden; border-radius:16px; background:#070707; border:1px solid var(--line); }
canvas { display:block; width:100%; touch-action:none; } .canvas-hint { position:absolute; color:var(--muted); text-align:center; padding:20px; }
.controls { margin:15px 0 8px; padding:14px; border-radius:14px; background:var(--panel); }
.controls label:not(.toggle) { display:grid; grid-template-columns:105px 1fr 44px; align-items:center; gap:10px; margin:13px 0; font-size:14px; }
output { color:#fff; text-align:right; font-size:12px; } input[type=range] { accent-color:var(--red); width:100%; }
.toggle { display:block; margin-top:15px; color:var(--muted); font-size:13px; }
.tip { color:var(--muted); text-align:center; font-size:13px; line-height:1.4; margin:14px 8px; }
.finish { width:100%; padding:15px; border:0; border-radius:14px; background:var(--red); color:white; font-size:16px; font-weight:bold; } .finish:disabled { background:#48484f; color:#94949c; }
.status { min-height:20px; text-align:center; color:var(--muted); font-size:13px; }