:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1c2430;
  --muted: #6a7686;
  --line: #e2e6ec;
  --accent: #2563eb;
  --accent-soft: #e8efff;
  --ok: #157f3b;
  --ok-soft: #e3f5e9;
  --bad: #b42318;
  --bad-soft: #fde8e7;
  --wait: #8a5a00;
  --wait-soft: #fff4dc;
  --code: #f1f3f6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --surface: #1a2029;
    --text: #e6eaf0;
    --muted: #96a1b0;
    --line: #2b3440;
    --accent: #6b9bff;
    --accent-soft: #1f2c47;
    --ok: #5fd08a;
    --ok-soft: #173525;
    --bad: #ff8a80;
    --bad-soft: #3d1f1d;
    --wait: #f2c46d;
    --wait-soft: #3a2f17;
    --code: #222a35;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.top { background: var(--surface); border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; justify-content: space-between; min-height: 56px; gap: 12px; flex-wrap: wrap; }
.logo { font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; }
nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
nav a { text-decoration: none; }
main { padding-top: 24px; padding-bottom: 32px; }
h1 { font-size: 28px; margin: 0 0 12px; }
h2 { font-size: 20px; margin: 0 0 12px; }
h3 { font-size: 16px; margin: 16px 0 8px; }
.muted, .hint { color: var(--muted); }
.hint { display: block; font-size: 13px; margin-top: 4px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 20px; margin: 16px 0; }
.card.accent { border-color: var(--accent); background: var(--accent-soft); }
.narrow { max-width: 420px; margin: 32px auto; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid2 .card, .grid3 .card { margin: 0; }
.grid2 { margin: 16px 0; }
@media (max-width: 760px) { .grid2, .grid3 { grid-template-columns: 1fr; } }
.hero { padding: 24px 0 8px; }
.hero h1 { font-size: 34px; max-width: 760px; }
.lead { font-size: 18px; color: var(--muted); max-width: 760px; }
.form { display: grid; gap: 12px; max-width: 560px; }
.form label { display: grid; gap: 4px; font-weight: 500; }
.form label.check, label.check { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%;
}
input[type=checkbox] { width: auto; margin-top: 4px; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; display: grid; gap: 4px; }
legend { color: var(--muted); padding: 0 4px; }
.btn {
  display: inline-block; background: var(--accent); color: #fff; border: 0; border-radius: 8px;
  padding: 10px 16px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn.small { padding: 6px 12px; font-size: 14px; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn.danger { background: var(--bad); }
button.link { background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer; padding: 0; }
form.inline { display: inline; }
form.danger { margin-top: 16px; }
.flash { padding: 10px 14px; border-radius: 8px; margin: 8px 0; background: var(--ok-soft); color: var(--ok); }
.flash.bad { background: var(--bad-soft); color: var(--bad); }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.badge.wait { background: var(--wait-soft); color: var(--wait); }
.table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; display: block; overflow-x: auto; }
.table th, .table td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { color: var(--muted); font-weight: 500; font-size: 14px; }
.table.small td { font-size: 14px; }
code, pre { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 14px; }
code { background: var(--code); padding: 1px 6px; border-radius: 4px; }
pre.code, pre.token { background: var(--code); padding: 12px; border-radius: 8px; overflow-x: auto; white-space: pre-wrap; word-break: break-all; }
details.help { margin-top: 12px; }
details.help summary { cursor: pointer; color: var(--accent); }
.foot { color: var(--muted); font-size: 13px; padding-bottom: 24px; }