:root {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #222221;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; }

body {
  background: var(--page);
  color: var(--ink-2);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 24px;
  height: 56px;
  border-bottom: 1px solid var(--border);
  background: rgba(13, 13, 13, 0.85);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  z-index: 10;
}

.brand {
  color: var(--ink);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.2px;
  text-decoration: none;
}

.brand-sub {
  color: var(--accent);
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 1.6px;
  margin-left: 8px;
  vertical-align: 2px;
}

.topbar nav { display: flex; gap: 4px; flex: 1; }

.topbar nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: 500;
}

.topbar nav a:hover { color: var(--ink); background: var(--surface-2); }
.topbar nav a.active { color: var(--ink); background: var(--surface-2); }

.topbar-right { display: flex; align-items: center; gap: 12px; }
.user-email { color: var(--muted); font-size: 12px; }

button.ghost {
  background: none;
  border: 1px solid var(--border);
  color: var(--ink-2);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
}

button.ghost:hover { border-color: var(--muted); color: var(--ink); }

main { padding: 24px; max-width: 1440px; margin: 0 auto; }

.page-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head h1 { color: var(--ink); font-size: 20px; font-weight: 650; }
.page-head .sub { color: var(--muted); font-size: 13px; }
.page-head .controls { margin-left: auto; display: flex; gap: 8px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 20px; }

.tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.tile .label { color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: 0.8px; text-transform: uppercase; }
.tile .value { color: var(--ink); font-size: 26px; font-weight: 650; margin-top: 6px; }
.tile .value small { color: var(--muted); font-size: 13px; font-weight: 500; }
.tile .meta { color: var(--muted); font-size: 12px; margin-top: 4px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(12, 1fr); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; grid-column: span 12; }
.card.half { grid-column: span 6; }
@media (max-width: 980px) { .card.half { grid-column: span 12; } }

.card h2 { color: var(--ink); font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.card .sub { color: var(--muted); font-size: 12px; margin-bottom: 12px; }
.chart { width: 100%; height: 320px; }
.chart.tall { height: 420px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { color: var(--muted); text-align: left; font-weight: 600; font-size: 11px; letter-spacing: 0.6px; text-transform: uppercase; padding: 8px 10px; border-bottom: 1px solid var(--grid); }
td { padding: 8px 10px; border-bottom: 1px solid var(--grid); color: var(--ink-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: none; }

.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; }
.pill::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.pill.ok { color: var(--good); }
.pill.error { color: var(--critical); }

select, input[type=email], input[type=password] {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--ink);
  border-radius: 8px;
  padding: 8px 10px;
  font: inherit;
}

select:focus, input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.auth-main { display: grid; place-items: center; min-height: 100vh; }

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  width: 360px;
}

.auth-card .brand { font-size: 22px; }
.auth-card h1 { color: var(--ink); font-size: 16px; margin: 20px 0 4px; }
.auth-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.auth-card form { display: grid; gap: 12px; }
.auth-card label { color: var(--muted); font-size: 12px; font-weight: 600; display: grid; gap: 6px; }

button.primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  margin-top: 6px;
}

button.primary:hover { filter: brightness(1.1); }
.auth-card .alt { color: var(--muted); font-size: 13px; margin-top: 16px; text-align: center; }
.auth-card .alt a { color: var(--accent); text-decoration: none; }
.form-error { color: var(--critical); font-size: 13px; min-height: 18px; }

.note { color: var(--muted); font-size: 12px; margin-top: 8px; grid-column: 1 / -1; }