:root {
  color-scheme: light;
  --bg: #f4f5f6;
  --surface: #ffffff;
  --surface-alt: #eceff1;
  --text: #182026;
  --muted: #5d6870;
  --border: #c8ced3;
  --accent: #174f78;
  --accent-text: #ffffff;
  --good: #17643b;
  --warn: #8a5800;
  --bad: #a12828;
  --unknown: #59636b;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111518;
  --surface: #1a2024;
  --surface-alt: #252c31;
  --text: #edf1f3;
  --muted: #adb7bd;
  --border: #3b454c;
  --accent: #73add4;
  --accent-text: #0b1b25;
  --good: #58b883;
  --warn: #e1ad50;
  --bad: #e27a7a;
  --unknown: #aab3b9;
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] {
    color-scheme: dark;
    --bg: #111518;
    --surface: #1a2024;
    --surface-alt: #252c31;
    --text: #edf1f3;
    --muted: #adb7bd;
    --border: #3b454c;
    --accent: #73add4;
    --accent-text: #0b1b25;
    --good: #58b883;
    --warn: #e1ad50;
    --bad: #e27a7a;
    --unknown: #aab3b9;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.5; }
a { color: var(--accent); }
button, input, select { font: inherit; }
button, select, input { border-radius: 3px; }
.site-header { min-height: 68px; padding: 0.8rem 2rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.brand { color: var(--text); font-size: 1.15rem; font-weight: 750; text-decoration: none; }
.owner { margin-left: 0.8rem; color: var(--muted); font-size: 0.9rem; }
.header-actions { display: flex; align-items: center; gap: 0.6rem; }
.header-actions form { margin: 0; }
.page-shell { width: min(1320px, calc(100% - 2rem)); margin: 0 auto; padding: 2rem 0 3rem; }
.site-footer { padding: 1.25rem 2rem; text-align: center; color: var(--muted); font-size: 0.9rem; }
.page-heading { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 1.5rem; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(1.8rem, 3vw, 2.5rem); }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; margin-top: 1.5rem; }
.eyebrow { margin-bottom: 0.15rem; color: var(--muted); font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.status-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.panel-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1rem; margin-top: 1rem; }
.status-card, .panel, .login-panel { background: var(--surface); border: 1px solid var(--border); padding: 1.2rem; }
.status-card { border-top-width: 4px; }
.status-card-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.status-label, .overall-status { font-weight: 750; }
.status-healthy { border-color: var(--good); color: var(--good); }
.status-warning { border-color: var(--warn); color: var(--warn); }
.status-critical { border-color: var(--bad); color: var(--bad); }
.status-unknown { border-color: var(--unknown); color: var(--unknown); }
.status-card p, .status-card dd, .status-card dt { color: var(--text); }
.overall-status { padding: 0.45rem 0.65rem; border: 1px solid currentColor; background: var(--surface); }
.metric-list { margin: 0; }
.metric-list > div { display: flex; justify-content: space-between; gap: 1rem; padding: 0.55rem 0; border-bottom: 1px solid var(--border); }
.metric-list dt { color: var(--muted); }
.metric-list dd { margin: 0; font-weight: 700; text-align: right; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.65rem; border-bottom: 1px solid var(--border); text-align: left; }
th { background: var(--surface-alt); }
.problem-list { padding-left: 1.2rem; }
.empty-state, .muted { color: var(--muted); }
.login-panel { width: min(440px, 100%); margin: 8vh auto 0; }
.stacked-form { display: grid; gap: 0.65rem; }
input, select { min-height: 42px; padding: 0.45rem 0.6rem; color: var(--text); background: var(--surface); border: 1px solid var(--border); }
input:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent), transparent 45%); outline-offset: 2px; }
.button { min-height: 42px; padding: 0.45rem 0.85rem; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text); cursor: pointer; }
.button-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.notice { padding: 0.75rem; border: 1px solid currentColor; margin-bottom: 1rem; }
.notice-error { color: var(--bad); }
code { font-size: 0.88em; }

@media (max-width: 850px) {
  .status-grid, .panel-grid { grid-template-columns: 1fr; }
  .site-header, .page-heading { align-items: flex-start; flex-direction: column; }
  .header-actions { width: 100%; flex-wrap: wrap; }
}
.activity-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.compact-metrics { margin-top: 1rem; }
.compact-metrics > div { align-items: baseline; }
.compact-metrics dd { overflow-wrap: anywhere; }

@media (max-width: 850px) {
  .activity-grid { grid-template-columns: 1fr; }
}