:root {
  --bg: #ffffff;
  --panel: #f7f8fa;
  --line: #e3e6eb;
  --ink: #16202c;
  --muted: #5d6877;
  --brand: #1f3a5f;
  --brand-ink: #ffffff;
  --ok: #157347;
  --ok-bg: #e8f5ee;
  --bad: #b42318;
  --bad-bg: #fdecea;
  --warn: #9a6700;
  --warn-bg: #fff6dd;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
main { max-width: 860px; margin: 0 auto; padding: 20px 16px 40px; }
main.wide { max-width: 1200px; }
h1 { font-size: 22px; margin: 0 0 4px; line-height: 1.25; }
h2 { font-size: 17px; margin: 24px 0 8px; }
h3 { font-size: 15px; margin: 0 0 6px; }
p { margin: 0 0 10px; }
a { color: var(--brand); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.stack > * + * { margin-top: 12px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-bottom: 12px; margin-bottom: 16px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.topbar nav { display: flex; gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.btn { appearance: none; border: 1px solid var(--brand); background: var(--brand); color: var(--brand-ink); border-radius: 8px; padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--brand); }
.btn.danger { background: var(--bad); border-color: var(--bad); }
.btn.small { padding: 5px 10px; font-size: 13px; }
input[type=text], input[type=email], select, textarea { font: inherit; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; background: #fff; color: var(--ink); max-width: 100%; }
textarea { width: 100%; min-height: 70px; }
.q { padding: 14px 0; border-top: 1px solid var(--line); }
.q:first-of-type { border-top: 0; }
.q .prompt { font-weight: 600; margin-bottom: 8px; }
.opt { display: flex; gap: 10px; align-items: flex-start; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; margin: 6px 0; cursor: pointer; background: #fff; }
.opt:hover { border-color: var(--brand); }
.opt input { margin-top: 4px; }
.opt.right { border-color: var(--ok); background: var(--ok-bg); }
.opt.wrong { border-color: var(--bad); background: var(--bad-bg); }
.why { font-size: 14px; color: var(--muted); margin-top: 6px; }
.pill { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 99px; background: var(--panel); border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.pill.ok { background: var(--ok-bg); border-color: transparent; color: var(--ok); }
.pill.bad { background: var(--bad-bg); border-color: transparent; color: var(--bad); }
.pill.warn { background: var(--warn-bg); border-color: transparent; color: var(--warn); }
.banner { border-radius: var(--radius); padding: 14px 16px; margin: 12px 0; }
.banner.ok { background: var(--ok-bg); color: var(--ok); }
.banner.bad { background: var(--bad-bg); color: var(--bad); }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
.banner.info { background: var(--panel); border: 1px solid var(--line); }
.score { font-size: 34px; font-weight: 700; line-height: 1; }
ol.steps { padding-left: 0; list-style: none; margin: 0; }
ol.steps li { display: flex; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); }
ol.steps li:first-child { border-top: 0; }
ol.steps .n { flex: 0 0 26px; height: 26px; border-radius: 50%; background: var(--brand); color: #fff; font-size: 13px; font-weight: 700; display: grid; place-items: center; }
video { width: 100%; max-height: 420px; background: #000; border-radius: 8px; }
.rec-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--bad); display: inline-block; animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: .2; } }
progress { width: 100%; height: 10px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); background: var(--panel); }
tr.inactive td { color: var(--muted); }
tr.click { cursor: pointer; }
tr.click:hover td { background: #fafbfc; }
.chapter { padding: 12px 0; border-top: 1px solid var(--line); }
.chapter:first-child { border-top: 0; }
.items { display: grid; gap: 6px; margin-top: 6px; }
.item { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.verdict { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.evidence button { border: 0; background: none; color: var(--brand); text-decoration: underline; cursor: pointer; padding: 0; font: inherit; }
.err { color: var(--bad); font-size: 14px; margin-top: 8px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } .verdict { grid-template-columns: 1fr; } }