:root {
  color-scheme: light dark;
  --bg: #f7f7f8; --fg: #1d1d1f; --muted: #6e6e73; --line: #e2e2e6; --card: #ffffff;
  --accent: #2563eb; --up: #1f9d55; --down: #d93025; --pending: #a1a1a8;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121214; --fg: #ececf0; --muted: #9a9aa2; --line: #2c2c31; --card: #1b1b1f; --accent: #6b9bff; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, sans-serif; background: var(--bg); color: var(--fg); }
header { display: flex; gap: 1.5rem; align-items: center; padding: 0.75rem 1.5rem; border-bottom: 1px solid var(--line); background: var(--card); }
header .brand { font-weight: 700; color: var(--fg); }
main { max-width: 960px; margin: 0 auto; padding: 1.5rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { margin: 0 0 0.25rem; }
h2 { margin: 1.75rem 0 0.5rem; font-size: 1.1rem; }
h2 small, .muted { color: var(--muted); font-weight: 400; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
th { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--pending); }
.dot.up { background: var(--up); }
.dot.down { background: var(--down); }
.dot.disabled { background: transparent; border: 2px solid var(--pending); }
.empty { color: var(--muted); }
.stack { display: grid; gap: 0.35rem; max-width: 420px; }
.stack label { display: grid; gap: 0.2rem; font-weight: 500; }
.stack label.inline { display: flex; align-items: center; gap: 0.5rem; }
input { font: inherit; padding: 0.4rem 0.55rem; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--fg); }
button { font: inherit; padding: 0.4rem 0.9rem; border: 0; border-radius: 6px; background: var(--accent); color: #fff; cursor: pointer; justify-self: start; }
button.danger { background: var(--down); }
.error { color: var(--down); font-size: 0.85rem; }
.error:empty { display: none; }
.actions { display: flex; gap: 0.75rem; align-items: center; margin: 0.75rem 0; }
.actions form { margin: 0; }
.stats { display: flex; gap: 2rem; margin: 1rem 0; }
.stats dt { color: var(--muted); font-size: 0.8rem; }
.stats dd { margin: 0; font-size: 1.4rem; font-weight: 600; }
@media (max-width: 640px) {
  main { padding: 1rem; }
  th:nth-child(5), td:nth-child(5) { display: none; }
}
header .spacer { flex: 1; }
header form { margin: 0; }
button.link { background: none; color: var(--accent); padding: 0; }