:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-2: #f0f2f5;
  --border: #dfe3e8;
  --text: #1a1d21;
  --muted: #6b7280;
  --accent: #2563eb;
  --good: #15803d;
  --good-bg: #dcfce7;
  --normal: #475569;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --bad: #b91c1c;
  --bad-bg: #fee2e2;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --panel: #171b21;
    --panel-2: #1e242c;
    --border: #2a323c;
    --text: #e6e9ee;
    --muted: #9aa4b2;
    --accent: #60a5fa;
    --good: #4ade80;
    --good-bg: #14351f;
    --normal: #94a3b8;
    --warn: #fbbf24;
    --warn-bg: #3a2c0a;
    --bad: #f87171;
    --bad-bg: #3b1414;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

header.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-wrap: wrap;
}

.brand { font-weight: 650; letter-spacing: -0.01em; margin-right: 4px; }
.brand span { color: var(--muted); font-weight: 400; }

nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
nav a {
  padding: 6px 12px;
  border-radius: 7px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
}
nav a:hover { background: var(--panel-2); color: var(--text); }
nav a.active { background: var(--accent); color: #fff; }

.clock { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 13px; }

main { max-width: 1120px; margin: 0 auto; padding: 24px; }

h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -0.02em; }
h2 { font-size: 16px; margin: 28px 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 14px; margin: 0 0 10px; color: var(--muted); font-weight: 600;
     text-transform: uppercase; letter-spacing: 0.05em; }
p.lede { color: var(--muted); margin: 0 0 20px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}

.banner {
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 16px;
  border: 1px solid transparent;
  font-size: 14px;
}
.banner.warn { background: var(--warn-bg); color: var(--warn); border-color: var(--warn); }
.banner.bad  { background: var(--bad-bg);  color: var(--bad);  border-color: var(--bad); }
.banner.good { background: var(--good-bg); color: var(--good); border-color: var(--good); }
.banner.info { background: var(--panel-2); color: var(--muted); border-color: var(--border); }

/* ---- route cards ---- */

.routes { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); }

.route-card { background: var(--panel); border: 1px solid var(--border);
              border-radius: var(--radius); overflow: hidden; }
.route-card header {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}
.route-card header .title { font-weight: 620; }
.route-card .body { padding: 18px; }

.headline { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.headline .big {
  font-size: 40px; font-weight: 650; letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums; line-height: 1;
}
.headline .vs { font-size: 15px; font-weight: 600; }

.status-good   { color: var(--good); }
.status-normal { color: var(--normal); }
.status-neutral{ color: var(--muted); }
.status-warn   { color: var(--warn); }
.status-bad    { color: var(--bad); }
.status-unknown{ color: var(--muted); }

.leave-box {
  margin-top: 16px; padding: 14px 16px; border-radius: 8px;
  background: var(--panel-2); border: 1px solid var(--border);
}
.leave-box.late { background: var(--bad-bg); border-color: var(--bad); }
.leave-box .when { font-size: 26px; font-weight: 650; letter-spacing: -0.02em;
                   font-variant-numeric: tabular-nums; }
.leave-box .sub { color: var(--muted); font-size: 13px; margin-top: 2px; }

.meta { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 14px;
        font-size: 13px; color: var(--muted); }
.meta b { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }

.variants { margin-top: 14px; border-top: 1px solid var(--border); padding-top: 12px; }
.variant-row { display: flex; justify-content: space-between; align-items: center;
               padding: 5px 0; font-size: 14px; }
.variant-row .name { color: var(--muted); }
.variant-row .val { font-variant-numeric: tabular-nums; font-weight: 600; }

.insight {
  margin-top: 14px; padding: 11px 14px; border-radius: 8px;
  background: var(--good-bg); color: var(--good); font-size: 13px;
  border: 1px solid color-mix(in srgb, var(--good) 30%, transparent);
}

/* ---- generic bits ---- */

.pill { display: inline-block; padding: 2px 9px; border-radius: 999px;
        font-size: 11.5px; font-weight: 600; background: var(--panel-2);
        color: var(--muted); border: 1px solid var(--border);
        text-transform: uppercase; letter-spacing: 0.04em; }
.pill.live { background: var(--good-bg); color: var(--good); border-color: transparent; }
.pill.off  { background: var(--bad-bg);  color: var(--bad);  border-color: transparent; }
.pill.cal  { background: var(--panel);   color: var(--accent); border-color: var(--accent); }

.plan-notes { margin-top: 12px; font-size: 13px; color: var(--muted);
              border-left: 2px solid var(--border); padding-left: 10px; }
.plan-notes div { padding: 1px 0; }

.loc-grid { display: grid; gap: 8px; align-items: end;
            grid-template-columns: 1.1fr 1.4fr 2.4fr 0.8fr 0.8fr auto; }
.loc-grid input { width: 100%; font: inherit; font-size: 13px; padding: 7px 9px;
                  border-radius: 7px; border: 1px solid var(--border);
                  background: var(--panel-2); color: var(--text); }
.loc-grid .head { font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em;
                  color: var(--muted); font-weight: 600; }
.loc-row { padding: 10px 0; border-bottom: 1px solid var(--border); }

@media (max-width: 860px) {
  .loc-grid { grid-template-columns: 1fr 1fr; }
  .loc-grid .head { display: none; }
}

button, .btn {
  font: inherit; font-size: 14px; font-weight: 550;
  padding: 8px 14px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
}
button:hover, .btn:hover { border-color: var(--accent); color: var(--accent); }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.primary:hover { opacity: 0.9; color: #fff; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px;
     text-transform: uppercase; letter-spacing: 0.04em; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

textarea {
  width: 100%; min-height: 460px; font: 13px/1.55 var(--mono);
  padding: 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); resize: vertical; tab-size: 2;
}

code, .mono { font-family: var(--mono); font-size: 13px; }

.muted { color: var(--muted); }
.small { font-size: 13px; }

/* ---- heatmap ---- */

.heatmap { overflow-x: auto; }
.heatmap table { border-collapse: separate; border-spacing: 2px; width: auto; min-width: 100%; }
.heatmap th { padding: 4px 6px; font-size: 11px; white-space: nowrap; border: none; }
.heatmap th.rowhead { text-align: right; padding-right: 10px; }
.heatmap td {
  border: none; padding: 0; width: 34px; height: 26px;
  border-radius: 4px; text-align: center; font-size: 11px;
  font-variant-numeric: tabular-nums; color: #0b0d10;
}
.heatmap td.empty { background: var(--panel-2); color: var(--muted); }

.legend { display: flex; align-items: center; gap: 8px; margin-top: 12px;
          font-size: 12px; color: var(--muted); }
.legend .swatch { width: 22px; height: 12px; border-radius: 3px; }

.chart { width: 100%; min-height: 40px; }
.chart svg { display: block; width: 100%; height: auto; }

.log-line { display: grid; grid-template-columns: 155px 60px 90px 1fr; gap: 10px;
            padding: 5px 0; border-bottom: 1px solid var(--border);
            font-size: 13px; align-items: baseline; }
.log-line .ts { color: var(--muted); font-family: var(--mono); font-size: 12px; }
.level-error { color: var(--bad); font-weight: 600; }
.level-warn  { color: var(--warn); font-weight: 600; }
.level-info  { color: var(--muted); }

.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 5px; }
.field .hint { color: var(--muted); font-size: 12.5px; margin-top: 5px; }

.grid-2 { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.stat { padding: 14px 16px; background: var(--panel-2); border-radius: 8px;
        border: 1px solid var(--border); }
.stat .k { font-size: 12px; color: var(--muted); text-transform: uppercase;
           letter-spacing: 0.04em; font-weight: 600; }
.stat .v { font-size: 22px; font-weight: 650; margin-top: 4px;
           font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }

.bar { height: 6px; border-radius: 3px; background: var(--border); overflow: hidden; margin-top: 8px; }
.bar > div { height: 100%; background: var(--accent); }
.bar.over > div { background: var(--bad); }

@media (max-width: 640px) {
  main { padding: 16px; }
  .routes { grid-template-columns: 1fr; }
  .log-line { grid-template-columns: 1fr; gap: 2px; }
  .headline .big { font-size: 34px; }
}