:root {
  --bg: #0f1117; --card: #1a1d29; --border: #2a2f42;
  --fg: #e6e9f0; --muted: #8b93a7;
  --red: #ef4444; --orange: #f59e0b; --green: #22c55e; --accent: #6366f1;
}
* { box-sizing: border-box; }
body {
  margin: 0 auto; padding: 24px; background: var(--bg); color: var(--fg);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  max-width: 900px;
}
header { margin-bottom: 20px; position: relative; }
h1 { margin: 0 0 4px; font-size: 22px; }
.sub { margin: 0; color: var(--muted); font-size: 13px; }
.badge {
  position: absolute; top: 0; right: 0; font-size: 12px;
  padding: 4px 10px; border-radius: 999px;
}
.badge-ok { background: rgba(34,197,94,.15); color: var(--green); }
.badge-err { background: rgba(239,68,68,.15); color: var(--red); }
.badge-loading { background: rgba(139,147,167,.15); color: var(--muted); }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; margin-bottom: 16px;
}
.card h2 { margin: 0 0 12px; font-size: 14px; color: var(--muted); font-weight: 600; }
textarea {
  width: 100%; background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 10px; font-size: 14px; resize: vertical; font-family: inherit;
}
.samples { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.samples button {
  background: var(--bg); color: var(--muted); border: 1px solid var(--border);
  border-radius: 999px; padding: 5px 12px; font-size: 12px; cursor: pointer;
}
.samples button:hover { color: var(--fg); border-color: var(--accent); }
.row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-bottom: 10px; }
.row-label { color: var(--muted); font-size: 13px; min-width: 64px; }
.row label { font-size: 13px; cursor: pointer; }
details { margin: 10px 0; }
summary { cursor: pointer; color: var(--muted); font-size: 13px; }
#advanced-body { margin-top: 10px; display: flex; flex-direction: column; gap: 10px; }
.adv-item label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; margin-top: 8px; }
.adv-item input, .adv-item textarea {
  width: 100%; background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px; padding: 6px; font-size: 12px;
  font-family: ui-monospace, monospace;
}
#run {
  background: var(--accent); color: white; border: 0; border-radius: 8px;
  padding: 10px 20px; font-size: 14px; cursor: pointer; font-weight: 600;
}
#run:disabled { opacity: .4; cursor: not-allowed; }
.hint { color: var(--muted); font-size: 12px; margin-left: 10px; }
.result-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; margin-bottom: 12px;
}
.result-card h3 { margin: 0 0 10px; font-size: 13px; color: var(--muted); }
.verdict { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.bar-row { display: grid; grid-template-columns: 200px 1fr 60px; gap: 8px;
  align-items: center; margin-bottom: 5px; font-size: 12px; }
.bar-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); }
.bar-track { background: var(--bg); border-radius: 4px; height: 14px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 4px; }
.bar-pct { text-align: right; font-family: ui-monospace, monospace; color: var(--muted); }
.meta { color: var(--muted); font-size: 12px; padding: 8px 0; font-family: ui-monospace, monospace; }
.toast {
  position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
  background: var(--red); color: white; padding: 10px 20px;
  border-radius: 8px; font-size: 13px; z-index: 100;
}
.hidden { display: none; }
@media (max-width: 640px) {
  .bar-row { grid-template-columns: 110px 1fr 50px; }
}
.load-track {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 999px; height: 10px; overflow: hidden; margin: 4px 0 8px;
}
.load-fill {
  height: 100%; width: 0%; background: var(--accent);
  border-radius: 999px; transition: width .2s ease;
}
.foot { margin-top: 28px; padding-top: 14px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 12px; }
.foot a { color: var(--accent); text-decoration: none; }
.foot a:hover { text-decoration: underline; }