:root {
  --bg: #f6f6f3; --card: #ffffff; --fg: #1b1b19; --muted: #66665f; --line: #deded8;
  --accent: #1f4e79; --accent-fg: #ffffff; --ok: #2e7d32; --warn: #b26a00; --err: #c62828;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151514; --card: #1e1e1c; --fg: #ececea; --muted: #a2a29b; --line: #34342f;
          --accent: #7fb2e5; --accent-fg: #0f1b26; --ok: #81c784; --warn: #ffb74d; --err: #ef9a9a; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; border-bottom: 1px solid var(--line); background: var(--card); }
.brand { font-weight: 650; }
.muted { color: var(--muted); font-weight: 400; }
main { max-width: 980px; margin: 0 auto; padding: 28px 16px 56px; }
h1 { font-size: 26px; margin: 0 0 6px; }
h2 { font-size: 17px; margin: 0 0 10px; }
.lead { color: var(--muted); margin: 0 0 22px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin-bottom: 16px; }
.facts { margin: 0; padding-left: 20px; } .facts li { margin: 6px 0; }
.form { display: grid; gap: 8px; max-width: 460px; }
.form label { font-weight: 600; font-size: 14px; margin-top: 6px; }
.form input[type=text], .form input:not([type]) { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg); font-size: 16px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400 !important; margin: 10px 0 4px; }
.check input { margin-top: 4px; width: 18px; height: 18px; }
button { font: inherit; font-weight: 600; border: 0; border-radius: 9px; padding: 11px 18px; cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-fg); }
button.danger { background: transparent; color: var(--err); border: 1px solid var(--err); }
button[disabled] { opacity: .45; cursor: default; }
.error { color: var(--err); margin: 6px 0 0; }
.check-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 16px; }
@media (max-width: 760px) { .check-grid { grid-template-columns: 1fr; } }
.video-card video { width: 100%; aspect-ratio: 4 / 3; background: #000; border-radius: 8px; object-fit: cover; transform: scaleX(-1); }
.hint { color: var(--muted); font-size: 14px; margin: 10px 0 0; display: flex; align-items: center; gap: 8px; }
.checklist { list-style: none; margin: 0 0 18px; padding: 0; }
.checklist li { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.checklist li:last-child { border-bottom: 0; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: var(--line); flex: none; }
[data-state=pending] .dot { background: var(--warn); animation: pulse 1s infinite; }
[data-state=ok] .dot { background: var(--ok); }
[data-state=fail] .dot { background: var(--err); }
@keyframes pulse { 50% { opacity: .35; } }
.meter { margin-left: auto; width: 90px; height: 8px; background: var(--line); border-radius: 4px; overflow: hidden; }
.meter span { display: block; height: 100%; width: 0; background: var(--ok); transition: width .1s; }
#perf-detail { margin-left: auto; font-size: 14px; }
.exam-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.status { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; margin: 0; }
.status dt { color: var(--muted); font-size: 14px; } .status dd { margin: 0; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
.rec { width: 10px; height: 10px; border-radius: 50%; background: var(--err); display: inline-block; animation: pulse 1.6s infinite; }
.pill { font-size: 13px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); }
.pill.off { color: var(--warn); border-color: var(--warn); }