@import url('https://fonts.jamestannahill.com/nhg-display.css');

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

:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --border: #222;
  --text: #f0f0f0;
  --muted: #666;
  --accent: #e8e0d0;
  --anomaly: #c8b97a;
  --font: 'NHG Display', 'Neue Haas Grotesk Display Pro', -apple-system, sans-serif;
}

html, body { background: var(--bg); color: var(--text); font-family: var(--font); min-height: 100vh; }

main { max-width: 900px; margin: 0 auto; padding: 40px 24px 80px; }

header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 56px; border-bottom: 1px solid var(--border); padding-bottom: 16px;
}
.station-label { font-size: 11px; letter-spacing: 0.15em; color: var(--muted); font-weight: 500; }
.updated-at { font-size: 11px; letter-spacing: 0.05em; color: var(--muted); }
.refresh-btn {
  background: none; border: 1px solid var(--border); color: var(--muted);
  font-size: 16px; width: 28px; height: 28px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s; padding: 0; margin-left: 12px;
}
.refresh-btn:hover { border-color: var(--accent); color: var(--accent); }
.refresh-btn.spinning { animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero { margin-bottom: 48px; }
.temp-block { display: flex; align-items: flex-start; line-height: 1; }
.temp { font-size: clamp(80px, 15vw, 140px); font-weight: 400; letter-spacing: -0.02em; }
.temp-unit { font-size: 40px; margin-top: 20px; color: var(--muted); }
.feels-like { font-size: 18px; color: var(--muted); margin-top: 8px; }
.condition { font-size: 20px; font-weight: 500; margin-top: 16px; }
.anomaly-headline {
  font-size: 16px; color: var(--anomaly); margin-top: 12px;
  font-style: italic; letter-spacing: 0.01em;
}

.conditions-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  border: 1px solid var(--border); margin-bottom: 48px;
}
.card {
  background: var(--surface); padding: 24px 20px;
  border: 1px solid var(--border);
}
.card-label { font-size: 10px; letter-spacing: 0.15em; color: var(--muted); margin-bottom: 12px; }
.card-value { font-size: 32px; font-weight: 400; letter-spacing: -0.01em; }
.card-sub { font-size: 13px; color: var(--muted); margin-top: 4px; }

.chart-section { margin-bottom: 48px; }
.chart-controls { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.chart-controls-row { display: flex; gap: 8px; flex-wrap: wrap; }
.chart-btn, .range-btn {
  background: none; border: 1px solid var(--border); color: var(--muted);
  padding: 6px 14px; font-family: var(--font); font-size: 12px;
  letter-spacing: 0.08em; cursor: pointer; transition: all 0.15s;
}
.chart-btn:hover, .chart-btn.active,
.range-btn:hover, .range-btn.active {
  border-color: var(--accent); color: var(--accent);
}
.range-row { margin-top: 2px; }
.range-btn { padding: 4px 10px; font-size: 11px; }

footer { border-top: 1px solid var(--border); padding-top: 24px; }
footer p { font-size: 12px; color: var(--muted); line-height: 1.8; }
footer a { color: var(--muted); text-decoration: underline; }

@media (max-width: 600px) {
  .conditions-grid { grid-template-columns: repeat(2, 1fr); }
  .temp { font-size: 80px; }
}