:root {
  --bg: #0f1115;
  --panel: #1a1d24;
  --border: #2a2e38;
  --fg: #e6e8ec;
  --muted: #8b90a0;
  --accent: #4f8cff;
  --ok: #4ade80;
  --err: #f87171;
  --warn: #fbbf24;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  gap: 16px;
}
header .logo { color: var(--fg); text-decoration: none; font-weight: 700; font-size: 20px; }
header .tag { color: var(--muted); font-size: 14px; }

main { flex: 1; max-width: 960px; margin: 0 auto; padding: 40px 24px; width: 100%; }

footer {
  padding: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
}

.hero h1 { font-size: 32px; margin: 0 0 12px; }
.hero .lead { color: var(--muted); max-width: 560px; margin: 0 0 32px; }

#check-form {
  display: flex;
  gap: 8px;
  max-width: 560px;
}
#check-form input {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 16px;
  font-family: ui-monospace, monospace;
  text-transform: uppercase;
}
#check-form input:focus { outline: 2px solid var(--accent); }
#check-form button {
  background: var(--accent);
  color: #fff;
  border: 0;
  padding: 0 24px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}
#check-form button:hover { filter: brightness(1.1); }

.example { color: var(--muted); margin-top: 12px; font-size: 14px; }
.example code { background: var(--panel); padding: 2px 8px; border-radius: 4px; }

.sources { margin-top: 64px; border-top: 1px solid var(--border); padding-top: 32px; }
.sources h2 { font-size: 18px; margin: 0 0 12px; color: var(--muted); font-weight: 600; }
.sources ul { padding-left: 20px; }
.sources li { margin-bottom: 8px; color: var(--muted); }
.sources strong { color: var(--fg); }

.report .back { color: var(--muted); text-decoration: none; font-size: 14px; }
.report .back:hover { color: var(--fg); }
.report h1 { margin: 12px 0 24px; }
.report .q { font-family: ui-monospace, monospace; color: var(--accent); }

#loading { color: var(--muted); padding: 24px; text-align: center; }
#error { color: var(--err); padding: 24px; background: var(--panel); border-radius: 10px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  gap: 12px;
}
.card-head h3 { margin: 0; font-size: 16px; }
.badge { font-size: 12px; padding: 4px 10px; border-radius: 20px; font-weight: 600; }
.badge.ok { background: rgba(74,222,128,.12); color: var(--ok); }
.badge.err { background: rgba(248,113,113,.12); color: var(--err); }
.badge.empty { background: rgba(139,144,160,.12); color: var(--muted); }
.badge.cached { background: rgba(79,140,255,.12); color: var(--accent); font-weight: 500; }

.kv { display: grid; grid-template-columns: 200px 1fr; gap: 4px 16px; font-size: 14px; }
.kv .k { color: var(--muted); }
.kv .v { color: var(--fg); font-family: ui-monospace, monospace; }

.summary-card { background: linear-gradient(135deg, #1a1d24, #232833); }
.summary-card h2 { margin: 0 0 12px; font-size: 20px; }

.stub { color: var(--warn); font-size: 14px; }
.links a { color: var(--accent); display: block; margin: 4px 0; font-size: 14px; }

pre.raw {
  background: #0a0c10;
  padding: 12px;
  border-radius: 8px;
  font-size: 12px;
  overflow-x: auto;
  color: var(--muted);
  max-height: 300px;
  overflow-y: auto;
}

details summary { cursor: pointer; color: var(--muted); font-size: 13px; margin-top: 8px; }