:root {
  --bg: #f6f4ef; --fg: #1f1d1a; --muted: #6b665d; --card: #ffffff; --line: #e4dfd4;
  --accent: #b7791f; --accent-fg: #ffffff; --bad: #c0392b; --good: #2e7d32; --code: #f1ede4;
  --heat: 227, 162, 26;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #16150f; --fg: #ece8de; --muted: #a39d90; --card: #211f18; --line: #353127;
          --accent: #e3a21a; --accent-fg: #1a1406; --bad: #ff6b5b; --good: #6fcf73; --code: #2a271e; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
       font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
header.top { display: flex; align-items: center; gap: 24px; padding: 10px 24px; border-bottom: 1px solid var(--line);
             background: var(--card); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--fg); text-decoration: none; }
nav { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
nav a { padding: 6px 10px; border-radius: 6px; color: var(--muted); text-decoration: none; }
nav a.on, nav a:hover { color: var(--fg); background: var(--code); }
main { max-width: 1180px; margin: 0 auto; padding: 24px 16px 48px; }
footer { text-align: center; color: var(--muted); font-size: 12px; padding: 24px; }
h1 { font-size: 26px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin-bottom: 18px; overflow-x: auto; }
.card.highlight { border-color: var(--accent); }
.narrow { max-width: 460px; margin: 40px auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 18px; }
.grid > .card { margin-bottom: 0; }
.grid + .card, .card + .grid { margin-top: 18px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.row.between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.grow { flex: 1; min-width: 200px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
label.check, label.row { flex-direction: row; align-items: center; gap: 8px; }
input, select { font: inherit; padding: 7px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); }
button { font: inherit; padding: 7px 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--code); color: var(--fg); cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); font-weight: 600; }
button:disabled { opacity: .6; cursor: default; }
button.link { border: 0; background: none; padding: 0; color: var(--accent); }
button.link.danger { color: var(--bad); }
form.inline { display: inline; margin: 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 500; border-bottom: 1px solid var(--line); padding: 6px 8px; }
td { border-bottom: 1px solid var(--line); padding: 6px 8px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.revoked td { opacity: .5; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
code { background: var(--code); padding: 1px 5px; border-radius: 4px; }
pre.log, pre.report { background: var(--code); padding: 12px; border-radius: 8px; overflow: auto;
                      font: 12.5px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; max-height: 70vh; margin: 0; }
pre.log { max-height: 340px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.bad, .error { color: var(--bad); }
.notice { background: var(--card); border: 1px solid var(--accent); border-radius: 8px; padding: 12px 16px; margin-bottom: 18px; }
.notice.ok { border-color: var(--good); }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }
.tabs { display: flex; gap: 4px; margin-bottom: 14px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.tabs a { padding: 8px 14px; text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs a.on { color: var(--fg); border-bottom-color: var(--accent); }
.scroll { max-height: 420px; overflow: auto; margin-top: 8px; }
.heat { border-collapse: separate; border-spacing: 2px; width: auto; }
.heat td, .heat th { border: 0; padding: 0; }
.heat th { font-size: 11px; text-align: center; min-width: 22px; }
.heat td.cell { width: 22px; height: 22px; border-radius: 4px; background: rgba(var(--heat), .08); }
.heat td.day { padding-right: 8px; color: var(--muted); font-size: 12px; }
.heat td.best { padding-left: 10px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.legend { font-size: 12px; color: var(--muted); margin: 6px 0 18px; }