:root {
  --bg: #0e1116;
  --card: #171c26;
  --text: #e6e9ef;
  --muted: #8b94a3;
  --line: #262c38;
  --temp: #ff7a45;
  --humi: #4a9eff;
  --feels: #f5a623;
  --dew: #3fbf6f;
  --alert: #ff5c5c;
}

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

html { background: var(--bg); }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  max-width: 640px;
  margin: 0 auto;
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
           env(safe-area-inset-bottom) env(safe-area-inset-left);
}

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 18px 18px 8px;
}
header h1 { font-size: 22px; font-weight: 650; letter-spacing: 0.2px; }
.updated {
  font-size: 13px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.updated.error { color: var(--alert); }

main {
  padding: 8px 14px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.tile {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 16px 18px;
}
.tile-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.tile-value {
  font-size: 30px;
  font-weight: 650;
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
}
.tile.temp  .tile-value { color: var(--temp); }
.tile.humi  .tile-value { color: var(--humi); }
.tile.feels .tile-value { color: var(--feels); }
.tile.dew   .tile-value { color: var(--dew); }

.sensors {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  padding: 2px 6px;
}

body.stale header h1::after {
  content: "veraltet";
  font-size: 11px;
  color: var(--alert);
  background: rgba(255, 92, 92, 0.12);
  padding: 2px 7px;
  border-radius: 6px;
  margin-left: 8px;
  vertical-align: middle;
  letter-spacing: 0.3px;
}