:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --ink: #0b1526;
  --ink-2: #44506a;
  --line: #dfe4ee;
  --brand: #0b8f66;
  --brand-soft: #e3f7ef;
  --danger: #b42318;
  --danger-soft: #fdecea;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #060c1c;
    --surface: #0d1830;
    --ink: #e9eef8;
    --ink-2: #a5b0c6;
    --line: #22304d;
    --brand: #1edc9c;
    --brand-soft: #0f2b2a;
    --danger: #ff8a7a;
    --danger-soft: #3a1717;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--brand); }
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
header.site .wrap { display: flex; align-items: center; gap: 12px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
header.site .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--ink); text-decoration: none; margin-right: auto; }
header.site .brand img { width: 30px; height: 30px; border-radius: 8px; }
header.site nav a { color: var(--ink-2); text-decoration: none; font-size: 14px; margin-left: 14px; }
header.site nav a[aria-current="page"] { color: var(--brand); font-weight: 700; }
.wrap { max-width: 780px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 28px; padding-bottom: 48px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 34px 0 8px; padding-top: 6px; }
h3 { font-size: 16px; margin: 20px 0 4px; }
.meta { color: var(--ink-2); font-size: 14px; margin: 0 0 22px; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 16px 0;
}
.note { background: var(--brand-soft); border-color: transparent; }
.warn { background: var(--danger-soft); border-color: transparent; }
ul, ol { padding-left: 22px; }
li { margin: 4px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--ink-2); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .03em; }
.table-scroll { overflow-x: auto; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid a.card { display: block; text-decoration: none; color: var(--ink); margin: 0; }
.grid a.card strong { display: block; color: var(--brand); margin-bottom: 2px; }
button, .button {
  font: inherit; font-weight: 700; border-radius: 10px; padding: 11px 16px; cursor: pointer;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
}
button.primary { background: var(--brand); border-color: var(--brand); color: #04120d; }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button:disabled { opacity: .55; cursor: not-allowed; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
input[type="email"], input[type="password"] {
  font: inherit; width: 100%; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink);
}
label.check { display: flex; gap: 10px; align-items: flex-start; }
label.check input { margin-top: 5px; }
.status { min-height: 1.4em; font-weight: 600; }
.status.error { color: var(--danger); }
.status.ok { color: var(--brand); }
[hidden] { display: none !important; }
footer.site { border-top: 1px solid var(--line); color: var(--ink-2); font-size: 13px; }
footer.site .wrap { padding-top: 18px; padding-bottom: 28px; }
@media (max-width: 520px) {
  h1 { font-size: 25px; }
  header.site nav { width: 100%; }
  header.site nav a { margin: 0 14px 0 0; }
}