:root {
  --ink: #1a1a2e;
  --paper: #fafafa;
  --accent: #b3261e;
  --muted: #5f6368;
  --card: #ffffff;
  --border: #e0e0e0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

.site-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 2px solid var(--accent);
  flex-wrap: wrap;
}

.brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}

.tagline { color: var(--muted); font-size: 0.85rem; }

main { max-width: 56rem; margin: 0 auto; padding: 1rem 1.25rem 3rem; }

h1 { font-size: 1.6rem; }

.city-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.chip {
  display: inline-flex;
  gap: 0.4rem;
  align-items: baseline;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  text-decoration: none;
  color: var(--ink);
  cursor: pointer;
}

.chip:hover { border-color: var(--accent); }
.chip-active { border-color: var(--accent); background: #fdf1f0; }
.chip-code { font-weight: 700; font-size: 0.8rem; color: var(--accent); }
.chip-name { font-size: 0.9rem; }

.weather-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin-top: 1rem;
}

.temp { font-size: 3rem; font-weight: 700; margin: 0; }
.condition { font-size: 1.1rem; margin: 0 0 1rem; }

.obs-details {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 0 0 1rem;
}
.obs-details div { min-width: 7rem; }
.obs-details dt { font-size: 0.75rem; text-transform: uppercase; color: var(--muted); }
.obs-details dd { margin: 0; font-weight: 600; }

.forecast-strip {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.forecast-period {
  min-width: 8rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.period-name { font-weight: 600; font-size: 0.85rem; }
.period-temp { font-size: 1.2rem; font-weight: 700; }
.period-condition { font-size: 0.8rem; color: var(--muted); }

.attribution { font-size: 0.75rem; color: var(--muted); }
.is-stale .temp, .is-stale .condition { opacity: 0.55; }
.is-stale .attribution strong { color: var(--accent); }
.no-data { color: var(--muted); font-style: italic; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1rem 1.25rem;
  color: var(--muted);
  font-size: 0.8rem;
}