:root{
  --bg:#0e1116; --panel:#171b22; --ink:#e8eaed; --muted:#9aa4b2;
  --accent:#39b54a; --line:#262c36;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.5}
a{color:#7cc4ff}
header{padding:22px 20px 8px;text-align:center}
header h1{margin:0;font-size:26px;letter-spacing:.5px}
header p{margin:6px 0 0;color:var(--muted);font-size:14px}
nav.top{display:flex;gap:16px;justify-content:center;padding:10px;flex-wrap:wrap}
nav.top a{font-size:14px;text-decoration:none;color:var(--muted);padding:6px 12px;border-radius:8px}
nav.top a:hover,nav.top a.active{background:#232935;color:var(--ink)}
.wrap{max-width:1120px;margin:0 auto;padding:16px 16px 40px;
  display:grid;grid-template-columns:1fr 360px;gap:22px}
@media(max-width:900px){.wrap{grid-template-columns:1fr}}
.stage{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:16px;display:flex;flex-direction:column;align-items:center;gap:14px}
.canvas-shell{width:100%;border-radius:10px;overflow:hidden;background:#0a0c10;
  display:flex;justify-content:center}
canvas{width:100%;height:auto;display:block;touch-action:none;cursor:grab}
canvas:active{cursor:grabbing}
.hint{color:var(--muted);font-size:12.5px;text-align:center}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px}
.panel h2{font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:0 0 12px}
label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px}
input[type=text],input[type=file]{width:100%;padding:9px 10px;border-radius:8px;
  border:1px solid var(--line);background:#0e1219;color:var(--ink);font-size:14px}
input[type=range]{width:100%}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.btns{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
button{flex:1;min-width:130px;padding:12px 14px;border:0;border-radius:10px;font-size:14px;
  font-weight:600;cursor:pointer;background:var(--accent);color:#04240a}
button.secondary{background:#232935;color:var(--ink)}
button:hover{filter:brightness(1.08)}
.disclaimer{max-width:1120px;margin:0 auto;padding:0 16px 40px;color:var(--muted);
  font-size:12px;text-align:center}
.disclaimer strong{color:#c7cdd6}
/* home picker */
.gallery{max-width:1000px;margin:0 auto;padding:20px 16px 60px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.cardlink{display:block;background:var(--panel);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .1s,border-color .1s}
.cardlink:hover{transform:translateY(-3px);border-color:#3a4658}
.cardlink img{width:100%;display:block;background:#fff}
.cardlink .meta{padding:14px 16px}
.cardlink .meta h3{margin:0 0 4px;font-size:17px}
.cardlink .meta p{margin:0;color:var(--muted);font-size:13px}