:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --border:#e5e7eb;
  --primary:#2563eb;
  --danger:#dc2626;
  --ok:#16a34a;
  --warn:#b45309;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);}
.topbar{
  position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);padding:12px 14px;display:flex;align-items:center;gap:10px;z-index:10;
}
.brand{font-weight:900}
.sub{color:var(--muted);font-size:12px;flex:1;text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.back{color:var(--primary);text-decoration:none;font-weight:800}
.container{max-width:860px;margin:0 auto;padding:14px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:14px;box-shadow:0 6px 18px rgba(17,24,39,.06);margin-bottom:14px}
h1{margin:0 0 6px;font-size:18px}
h2{margin:14px 0 8px;font-size:15px}
.muted{color:var(--muted);font-size:13px;line-height:1.35}
.small{font-size:12px}
.sep{border:none;border-top:1px solid var(--border);margin:12px 0}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.field label{display:block;font-size:12px;color:var(--muted)}
.field input{
  width:100%;margin-top:6px;padding:11px 12px;border:1px solid var(--border);
  border-radius:12px;outline:none;background:#fff;color:var(--text);
}
.field input:focus{border-color:rgba(37,99,235,.5);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.btn{
  border:1px solid var(--border);background:#fff;color:var(--text);
  padding:11px 12px;border-radius:12px;font-weight:900;cursor:pointer;text-decoration:none;
  display:inline-flex;align-items:center;justify-content:center;min-width:140px;
}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.ghost{background:transparent}
.btn.danger{background:#fff;border-color:rgba(220,38,38,.35);color:var(--danger)}
.btn:active{transform:translateY(1px)}
.banner{margin-top:12px;padding:10px 12px;border:1px dashed var(--border);border-radius:12px;color:var(--muted);min-height:22px}
.banner.ok{border-color:rgba(22,163,74,.4);color:var(--ok);background:rgba(22,163,74,.06)}
.banner.bad{border-color:rgba(220,38,38,.4);color:var(--danger);background:rgba(220,38,38,.06)}
.banner.warn{border-color:rgba(180,83,9,.4);color:var(--warn);background:rgba(180,83,9,.06)}
.note{margin-top:12px;padding:10px 12px;background:#f9fafb;border:1px solid var(--border);border-radius:12px;color:var(--muted)}
.camera{
  position:relative;margin-top:12px;width:100%;border-radius:16px;overflow:hidden;border:1px solid var(--border);
  background:#0b1220;aspect-ratio:16/10;
}
.camera video,.camera img{width:100%;height:100%;object-fit:cover;display:block}
.hidden{display:none}
.cameraOverlay{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:rgba(255,255,255,.82);padding:14px;text-align:center;
}
#history .item{border:1px solid var(--border);border-radius:14px;padding:10px 12px;margin-top:10px;background:#fff}
#history .meta{color:var(--muted);font-size:12px;margin-top:4px;word-break:break-word}
#history img{width:100%;max-width:360px;border-radius:12px;border:1px solid var(--border);margin-top:8px}
.badge{
  display:inline-block;
  font-weight:900;
  font-size:11px;
  padding:2px 8px;
  border-radius:999px;
  border:1px solid var(--border);
  margin-left:6px;
}
.badge.ok{color:var(--ok);border-color:rgba(22,163,74,.35);background:rgba(22,163,74,.06)}
.badge.bad{color:var(--danger);border-color:rgba(220,38,38,.35);background:rgba(220,38,38,.06)}
.badge.warn{color:var(--warn);border-color:rgba(180,83,9,.35);background:rgba(180,83,9,.06)}
@media (max-width:720px){
  .grid{grid-template-columns:1fr}
  .sub{text-align:left}
  .btn{min-width:0;flex:1}
}