:root{
  --bg:#0b1220; --card:#121a2b; --line:#233150; --fg:#e8eefc; --dim:#93a3c4;
  --pri:#2f7bff; --ok:#22c55e; --bad:#ef4444; --warn:#f59e0b;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{
  margin:0;padding:0 12px 40px;background:var(--bg);color:var(--fg);
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
}
header{padding:18px 4px 6px}
h1{font-size:19px;margin:0 0 6px}
h2{font-size:15px;margin:0}
.acct{color:var(--dim);font-size:12.5px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:14px;margin-top:12px;
}
.row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.mt{margin-top:10px}
.pill{
  font-size:11.5px;padding:2px 9px;border-radius:99px;background:#1c2947;color:var(--dim);
  border:1px solid var(--line);white-space:nowrap;
}
.pill.on{color:#c7f9d8;border-color:#1f6f42;background:#10281b}
.pill.off{color:#fecaca;border-color:#7f1d1d;background:#2a1214}
.camera{
  position:relative;margin-top:10px;border-radius:12px;overflow:hidden;
  background:#000;aspect-ratio:3/4;max-height:60vh;
}
@media (min-width:700px){.camera{aspect-ratio:16/9;max-height:52vh}}
video{width:100%;height:100%;object-fit:cover;display:block}
.camhint{
  position:absolute;inset:auto 10px 10px 10px;background:rgba(8,12,22,.72);
  border-radius:10px;padding:8px 10px;font-size:12.5px;color:#cfe0ff;
}
.scanbox{position:absolute;inset:0;pointer-events:none}
.scanbox i{
  position:absolute;left:12%;top:22%;width:76%;height:46%;border:2px solid rgba(120,180,255,.85);
  border-radius:12px;box-shadow:0 0 0 2000px rgba(0,0,0,.18) inset;
}
.btns{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}
button,.filebtn{
  appearance:none;border:1px solid var(--line);background:#182440;color:var(--fg);
  border-radius:11px;padding:11px 14px;font-size:14.5px;cursor:pointer;
}
button.primary{background:var(--pri);border-color:var(--pri);color:#fff;font-weight:600}
button.big{width:100%;margin-top:12px;padding:14px;font-size:16px}
button.ghost{background:transparent}
button:disabled{opacity:.45;cursor:not-allowed}
.filebtn{display:inline-block}
.manual summary{color:var(--dim);font-size:13px;margin-top:10px;cursor:pointer}
.manual input{
  flex:1;min-width:0;background:#0d1526;border:1px solid var(--line);color:var(--fg);
  border-radius:10px;padding:11px;font-size:14px;
}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;margin-top:10px;font-size:13.5px}
.kv .k{color:var(--dim)}
.kv .v{word-break:break-all}
.skus{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.sku{
  display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:11px;
  padding:10px 12px;background:#0f1729;
}
.sku.sel{border-color:var(--pri);background:#12203c}
.sku .n{flex:1}
.sku .p{color:var(--dim);font-size:12.5px}
.pricebar{
  display:flex;justify-content:space-between;align-items:baseline;margin-top:12px;
  border-top:1px dashed var(--line);padding-top:12px;
}
.price s{color:var(--dim);margin-right:6px}
.price b{color:var(--ok);font-size:22px}
.steps{list-style:none;padding:0;margin:10px 0 0}
.steps li{
  display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px dashed var(--line);
  font-size:14px;
}
.steps li:last-child{border-bottom:0}
.steps .ico{width:22px;text-align:center;flex:none}
.steps .d{color:var(--dim);font-size:12.5px;word-break:break-all}
.result{margin-top:12px;font-size:15px}
.result.ok{color:var(--ok);font-weight:700}
.result.bad{color:var(--bad);font-weight:700}
.result.warn{color:var(--warn);font-weight:700}
pre#log{
  max-height:260px;overflow:auto;background:#0a101d;border:1px solid var(--line);
  border-radius:10px;padding:10px;font-size:11.5px;color:#9fb4dd;white-space:pre-wrap;word-break:break-all;
}
.hint{color:var(--dim);font-size:12.5px;margin:8px 0 0}
code{background:#0d1526;border-radius:5px;padding:1px 5px;font-size:12px}
footer{margin-top:18px;text-align:center}
.qrcode{margin-top:10px}
.qrcode svg{width:190px;height:190px;background:#fff;border-radius:10px;padding:8px}