:root {
  --bg: #f5f6f8; --card: #fff; --text: #1d2330; --muted: #6b7280; --line: #e3e6eb;
  --accent: #1f5fd1; --accent-ink: #fff; --danger: #c0392b; --ok-bg: #e7f6ec; --ok: #1e7b3c;
  --err-bg: #fdecea; --secret-bg: #fff8e1; --code-bg: #f0f2f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b; --card: #1b1f27; --text: #e6e8ec; --muted: #9aa1ad; --line: #2c323d;
    --accent: #5b8def; --danger: #e5675a; --ok-bg: #173323; --ok: #7fd49a;
    --err-bg: #3a1d1a; --secret-bg: #33290f; --code-bg: #232833;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.brand span { font-weight: 400; color: var(--muted); }
nav { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
main { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
h1 { font-size: 22px; margin: 0 0 12px; }
h2 { font-size: 17px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 16px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 20px; margin-bottom: 16px; }
.card.narrow { max-width: 440px; margin: 48px auto; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.stat span { display: block; color: var(--muted); font-size: 13px; }
.stat strong { font-size: 26px; font-variant-numeric: tabular-nums; }
form.stack { display: grid; gap: 12px; }
form.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
form.row input { flex: 1 1 200px; }
form.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; align-items: end; }
form.inline { display: inline; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
label.check { display: flex; gap: 8px; align-items: center; color: var(--text); }
input, select { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--text); min-width: 0; }
button { font: inherit; padding: 8px 16px; border: 0; border-radius: 6px; background: var(--accent); color: var(--accent-ink); cursor: pointer; }
button.secondary { background: var(--code-bg); color: var(--text); border: 1px solid var(--line); }
button.danger { background: var(--danger); }
button.small { padding: 4px 10px; font-size: 13px; }
button.link { background: none; color: var(--accent); padding: 0; }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.muted td, .muted { color: var(--muted); }
code, pre { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 13px; background: var(--code-bg); border-radius: 4px; }
code { padding: 1px 5px; }
pre { padding: 12px; overflow-x: auto; white-space: pre-wrap; word-break: break-all; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0 0 12px; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; background: var(--ok-bg); color: var(--ok); }
.flash.error { background: var(--err-bg); color: var(--danger); }
.secret { background: var(--secret-bg); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.secret p { margin: 4px 0 8px; color: var(--muted); }
.badge { font-size: 12px; background: var(--err-bg); color: var(--danger); padding: 2px 8px; border-radius: 10px; vertical-align: middle; }
@media (max-width: 600px) { .top { padding: 12px 16px; } dl.kv { grid-template-columns: 1fr; } }