:root {
  color-scheme: light;
  --bg: #f4f6fb;
  --surface: #ffffff;
  --text: #20232a;
  --muted: #667085;
  --border: #d0d5dd;
  --accent: #2563eb;
  --danger: #b42318;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #18191f;
    --surface: #24262f;
    --text: #f2f4f7;
    --muted: #aeb4c0;
    --border: #454957;
    --accent: #78a9ff;
    --danger: #ff8a80;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #18191f;
  --surface: #24262f;
  --text: #f2f4f7;
  --muted: #aeb4c0;
  --border: #454957;
  --accent: #78a9ff;
  --danger: #ff8a80;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, sans-serif; }
a { color: var(--accent); }
.topbar { min-height: 64px; display: flex; gap: 16px; align-items: center; justify-content: space-between; padding: 0 24px; background: var(--surface); border-bottom: 1px solid var(--border); }
.brand { color: var(--text); font-size: 1.2rem; font-weight: 650; text-decoration: none; }
.preferences { display: flex; gap: 8px; }
main { max-width: 1180px; margin: 32px auto; padding: 0 20px; }
.card { padding: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.section { margin-bottom: 20px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; }
.metrics strong { font-size: 2rem; }
.login-card { max-width: 440px; margin: 10vh auto; }
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; margin-bottom: 20px; }
label { display: grid; gap: 6px; margin: 16px 0; color: var(--muted); }
input, select, button { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
button { color: white; background: var(--accent); border-color: var(--accent); cursor: pointer; }
button:disabled { opacity: .6; cursor: wait; }
.button-secondary { color: var(--text); background: transparent; }
.button-danger { background: var(--danger); border-color: var(--danger); }
.error { color: var(--danger); }
.notice { position: sticky; z-index: 2; top: 8px; margin: 0 0 16px; padding: 12px 16px; border: 1px solid var(--accent); border-radius: 8px; background: var(--surface); }
.notice.error { border-color: var(--danger); }
.inline-form { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; padding-top: 12px; }
.inline-form label { flex: 1 1 180px; margin: 0; }
.inline-form.compact input { max-width: 180px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.actions form { display: flex; flex-wrap: wrap; gap: 6px; }
output { display: block; max-width: 320px; overflow-wrap: anywhere; user-select: all; color: var(--accent); }
small { display: block; color: var(--muted); }
.chip { display: inline-block; margin: 2px; padding: 2px 7px; border: 1px solid var(--border); border-radius: 999px; font-size: .85rem; }
details { margin-top: 12px; }
summary { color: var(--accent); cursor: pointer; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px; text-align: left; border-bottom: 1px solid var(--border); }
.status { font-size: .85rem; font-weight: 650; }
.status-online { color: #12b76a; }
.status-degraded { color: #f79009; }
.status-offline { color: var(--danger); }
.status-active, .status-succeeded { color: #12b76a; }
.status-failed, .status-revoked { color: var(--danger); }

@media (max-width: 700px) {
  .topbar { align-items: stretch; flex-direction: column; padding: 12px 16px; }
  .preferences { flex-wrap: wrap; }
  main { margin-top: 20px; padding: 0 12px; }
  .card { padding: 16px; }
}