:root {
  color-scheme: dark light;
  --bg: #0e1116;
  --fg: #e6edf3;
  --muted: #7d8590;
  --accent: #58a6ff;
  --card: #161b22;
  --border: #30363d;
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.topbar h1 { margin: 0; font-size: 1.1rem; letter-spacing: 0.04em; }
.topbar h1 a { color: var(--accent); text-decoration: none; }

#nav { display: flex; gap: 0.75rem; flex: 1; flex-wrap: wrap; }
#nav a { color: var(--muted); text-decoration: none; font-size: 0.85rem; }
#nav a.active { color: var(--fg); }
#nav a:hover { color: var(--accent); }

#health { font-size: 0.75rem; }

main {
  padding: 1.5rem;
  flex: 1;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

footer {
  padding: 0.75rem 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
}

.muted { color: var(--muted); }
code { background: var(--card); padding: 0.1em 0.3em; border-radius: 3px; font-size: 0.85em; }

.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1.5rem;
}
.chart-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.chart-controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
  align-items: center;
}
.chart-controls label { display: flex; gap: 0.4rem; align-items: center; }
.chart-controls select, .chart-controls input, .chart-controls button {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.2rem 0.4rem;
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
}
.chart-controls button:hover { border-color: var(--accent); color: var(--accent); }
.chart-controls button:disabled { opacity: 0.6; cursor: wait; }

svg { display: block; max-width: 100%; }
svg text { fill: var(--fg); font-size: 0.7rem; }
svg .axis path, svg .axis line { stroke: var(--border); }
svg .axis text { fill: var(--muted); }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
  margin-top: 0.75rem;
  font-size: 0.75rem;
}
.legend-item { display: flex; align-items: center; gap: 0.3rem; }
.legend-swatch {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 2px;
  display: inline-block;
}

.tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.4rem 0.6rem;
  font-size: 0.75rem;
  color: var(--fg);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  z-index: 100;
  white-space: nowrap;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
}
.stat-label { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-value { font-size: 1.4rem; font-weight: 600; margin-top: 0.2rem; }

/* calendar-grid view (metro home) */
.week-block { margin-bottom: 1.25rem; }
.week-head {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
  margin-bottom: 0.4rem;
}
.event-row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  padding: 0.4rem 0.25rem;
  border-bottom: 1px solid rgba(48, 54, 61, 0.4);
  font-size: 0.85rem;
  align-items: baseline;
}
.event-row:hover { background: rgba(88, 166, 255, 0.05); }
.event-when { color: var(--accent); font-variant-numeric: tabular-nums; }
.event-title { color: var(--fg); }
.event-meta { color: var(--muted); font-size: 0.75rem; margin-top: 0.15rem; }
.event-meta a { color: var(--accent); text-decoration: none; }
.event-meta a:hover { text-decoration: underline; }
.event-conf {
  display: inline-block;
  padding: 0 0.35em;
  border-radius: 2px;
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
  border: 1px solid var(--border);
  margin-left: 0.4rem;
}
.event-conf.lo { color: #d29922; border-color: #d29922; }
.event-conf.md { color: var(--muted); }
.event-conf.hi { color: #56d364; border-color: #56d364; }

/* tables (venues, leaks) */
table.dash {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
table.dash th, table.dash td {
  text-align: left;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
}
table.dash th {
  font-weight: 500;
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
table.dash tr:hover td { background: rgba(88, 166, 255, 0.04); }
table.dash td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.dash .dim { color: var(--muted); }