:root {
  --bg: #f6f7f9; --card: #fff; --text: #1d232b; --muted: #667080; --border: #dfe3e8;
  --accent: #2f5bd3; --accent-text: #fff; --danger: #c43d3d; --hl: #eef3ff; --code: #f0f2f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c; --card: #1c2027; --text: #e4e7eb; --muted: #9aa3ae; --border: #2e343d;
    --accent: #6f93f5; --accent-text: #0d1117; --danger: #ef6b6b; --hl: #1d2638; --code: #262b33;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
       font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem;
          padding: .75rem 1rem; background: var(--card); border-bottom: 1px solid var(--border); }
.brand { font-weight: 600; }
main { max-width: 960px; margin: 1.5rem auto; padding: 0 1rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px;
        padding: 1.25rem; margin-bottom: 1.25rem; }
.card.narrow { max-width: 380px; margin: 3rem auto; }
.card.highlight { background: var(--hl); border-color: var(--accent); }
h1, h2 { margin: 0 0 .75rem; font-size: 1.2rem; }
.muted { color: var(--muted); }
label { display: block; margin-bottom: .75rem; font-size: .9rem; color: var(--muted); }
input, select { display: block; width: 100%; margin-top: .25rem; padding: .5rem .6rem; font: inherit;
                color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 6px; }
button { padding: .5rem 1rem; font: inherit; border: 0; border-radius: 6px; cursor: pointer;
         background: var(--accent); color: var(--accent-text); }
button.small { padding: .25rem .6rem; font-size: .85rem; }
button.danger { background: var(--danger); color: #fff; }
button.link { background: none; color: var(--accent); padding: 0; margin-left: .5rem; }
form.inline { display: flex; align-items: center; margin: 0; }
.row { display: flex; gap: .75rem; align-items: flex-end; flex-wrap: wrap; }
.row label { margin: 0; }
.row .grow { flex: 1 1 220px; }
.alert.error { background: var(--danger); color: #fff; padding: .6rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; }
code { background: var(--code); padding: .1rem .3rem; border-radius: 4px; }
pre { background: var(--code); padding: .75rem; border-radius: 6px; overflow-x: auto; }
.copyrow { display: flex; gap: .5rem; align-items: center; margin: .75rem 0; }
.copyrow code { flex: 1; padding: .5rem; word-break: break-all; }
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; }
tr.inactive td { color: var(--muted); }
td form { margin: 0; }