:root {
  --bg: #ffffff; --fg: #111111; --muted: #3a3a3a; --card: #f2f2f2; --line: #bdbdbd;
  --accent: #0040c0; --accent-fg: #ffffff; --good: #0b6b1f; --good-bg: #e6f4e8; --warn-bg: #fff3d6;
  --bad: #b00020; --info-bg: #e8eefc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000; --fg: #ffffff; --muted: #d6d6d6; --card: #1a1a1a; --line: #555555;
    --accent: #7fb0ff; --accent-fg: #000000; --good: #7ee28f; --good-bg: #0f2a14; --warn-bg: #2e2508;
    --bad: #ff8a9a; --info-bg: #111c33;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 22px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); }
.top { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 2px solid var(--line); }
h1 { font-size: 30px; margin: 0; }
h2 { font-size: 26px; margin: 0 0 8px; }
h2.section { margin: 26px 0 10px; }
main { padding: 16px 18px 60px; max-width: 760px; margin: 0 auto; }
label { display: block; font-weight: 600; margin: 14px 0 6px; }
input[type=text], input[type=password] { width: 100%; font-size: 24px; padding: 14px; border: 2px solid var(--line); border-radius: 12px; background: var(--bg); color: var(--fg); }
button, .big { font: inherit; cursor: pointer; }
.big { display: flex; align-items: center; justify-content: center; gap: 14px; width: 100%; min-height: 76px; margin: 14px 0;
  font-size: 28px; font-weight: 700; border: 0; border-radius: 18px; background: var(--accent); color: var(--accent-fg); text-align: center; }
.big.secondary { background: var(--card); color: var(--fg); border: 2px solid var(--line); }
.big.danger { background: var(--bad); color: #fff; }
.big:focus-visible, button:focus-visible { outline: 4px solid var(--fg); outline-offset: 3px; }
.upload { min-height: 110px; font-size: 32px; }
.arrow { width: 44px; height: 44px; fill: currentColor; }
.link { background: none; border: 0; color: var(--accent); text-decoration: underline; font-size: 22px; padding: 6px; }
.who { font-size: 20px; }
.hint { color: var(--muted); }
.msg { padding: 12px 14px; border-radius: 12px; background: var(--card); }
.msg.error { background: var(--warn-bg); color: var(--fg); border-left: 6px solid var(--bad); }
.card { background: var(--card); border-radius: 16px; padding: 16px; margin: 18px 0; }
.card.info { background: var(--info-bg); }
.card.good { background: var(--good-bg); }
.card.warn { background: var(--warn-bg); }
.status-line { font-weight: 600; margin: 6px 0 0; }
.list { list-style: none; padding: 0; margin: 8px 0; }
.list li { padding: 12px 4px; border-bottom: 1px solid var(--line); word-break: break-word; }
.list .name { font-weight: 600; }
.list .sub { color: var(--muted); font-size: 19px; }
.list .ok { color: var(--good); font-weight: 700; }
.list .bad { color: var(--bad); font-weight: 700; }
.checks label { display: flex; gap: 14px; align-items: flex-start; margin: 0; font-weight: 400; }
.checks input[type=checkbox] { width: 34px; height: 34px; flex: 0 0 34px; margin-top: 2px; accent-color: var(--bad); }
.bar { height: 22px; background: var(--line); border-radius: 11px; overflow: hidden; }
.fill { height: 100%; width: 0; background: var(--accent); transition: width .3s; }
.overall { margin: 12px 0; }
.overall-text { font-weight: 700; margin-bottom: 6px; }
.row { display: flex; gap: 18px; }
.mini-bar { height: 10px; background: var(--line); border-radius: 5px; overflow: hidden; margin-top: 6px; }
.mini-bar > div { height: 100%; background: var(--accent); width: 0; }
table.admin { width: 100%; border-collapse: collapse; font-size: 19px; }
table.admin th, table.admin td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }