/* ─── Custom properties ───────────────────────────────────────────────────── */

:root {
  --color-warm: #e05c2a;
  --color-cool: #2a7ae0;
  --color-neutral: #888;
  --color-bg: #f9f9f7;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #666;
  --color-border: #e0e0e0;
  --color-shadow: rgba(0, 0, 0, 0.07);

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 8px;
  --padding: 1.5rem;
  --max-width: 960px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #111110;
    --color-surface: #1c1c1a;
    --color-text: #e8e8e4;
    --color-text-muted: #888;
    --color-border: #2e2e2c;
    --color-shadow: rgba(0, 0, 0, 0.45);
  }
}

/* ─── Reset & base ────────────────────────────────────────────────────────── */

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

/* Ensure the hidden attribute always wins, even against display:flex rules */
[hidden] {
  display: none !important;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-cool);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ─── Header ──────────────────────────────────────────────────────────────── */

header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem var(--padding) 1rem;
}

header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: 0.2rem;
}

/* ─── Loading state ───────────────────────────────────────────────────────── */

.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 5rem var(--padding);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.spinner {
  width: 2rem;
  height: 2rem;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-cool);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ─── Main layout ─────────────────────────────────────────────────────────── */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--padding) var(--padding);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ─── Summary banner ──────────────────────────────────────────────────────── */

.banner {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.1rem var(--padding);
  font-size: 1rem;
  font-weight: 500;
  border-left: 4px solid var(--color-neutral);
  box-shadow: 0 1px 4px var(--color-shadow);
  line-height: 1.4;
}

.banner-warm {
  border-left-color: var(--color-warm);
}

.banner-cool {
  border-left-color: var(--color-cool);
}

.banner-neutral {
  border-left-color: var(--color-neutral);
}

.banner strong {
  color: var(--color-warm);
}

.banner-cool strong {
  color: var(--color-cool);
}

/* ─── Cards ───────────────────────────────────────────────────────────────── */

.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: var(--padding);
  box-shadow: 0 1px 4px var(--color-shadow);
  border: 1px solid var(--color-border);
}

.card h2 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

/* Two-column row for rain + wind */
.card-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .card-row {
    grid-template-columns: 1fr;
  }
}

/* ─── Forecast metric values ──────────────────────────────────────────────── */

.forecast-values {
  display: flex;
  gap: 2rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

.metric {
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
  margin-bottom: 0.1rem;
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

/* ─── Comparison note ─────────────────────────────────────────────────────── */

.comparison-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 1rem;
}

/* ─── Chart containers ────────────────────────────────────────────────────── */

.chart-container {
  position: relative;
  height: 260px;
  margin-bottom: 1.25rem;
}

@media (max-width: 640px) {
  .chart-container {
    height: 200px;
  }
}

/* ─── Comparison table ────────────────────────────────────────────────────── */

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.comparison-table th {
  text-align: left;
  padding: 0.35rem 0.5rem;
  border-bottom: 2px solid var(--color-border);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  font-weight: 600;
}

.comparison-table td {
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.mean-row td {
  background: color-mix(in srgb, var(--color-border) 40%, transparent);
  border-top: 2px solid var(--color-border);
}

/* ─── Delta colour classes ────────────────────────────────────────────────── */

.delta-warm {
  color: var(--color-warm);
  font-weight: 600;
}

.delta-cool {
  color: var(--color-cool);
  font-weight: 600;
}

.delta-neutral {
  color: var(--color-neutral);
}

/* ─── Banner year tags ────────────────────────────────────────────────────── */

.verdict-warm { color: var(--color-warm); }
.verdict-cool { color: var(--color-cool); }

.year-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.6rem;
}

.verdict-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  min-width: 6.5rem;
  flex-shrink: 0;
}

.verdict-label-warm { color: var(--color-warm); }
.verdict-label-cool { color: var(--color-cool); }

.year-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 0.2rem;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.3;
}

.year-tag small {
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.8;
}

.year-tag-warm {
  background: color-mix(in srgb, var(--color-warm) 12%, transparent);
  color: var(--color-warm);
}

.year-tag-cool {
  background: color-mix(in srgb, var(--color-cool) 12%, transparent);
  color: var(--color-cool);
}

.banner-secondary {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ─── Error & empty states ────────────────────────────────────────────────── */

.error-message {
  font-size: 0.875rem;
  color: var(--color-warm);
  padding: 0.75rem 1rem;
  border: 1px solid color-mix(in srgb, var(--color-warm) 30%, transparent);
  border-radius: 4px;
  background: color-mix(in srgb, var(--color-warm) 6%, transparent);
  margin-top: 0.5rem;
}

.error-inline {
  color: var(--color-text-muted);
  font-size: 1rem;
  font-weight: 400;
}

.footnote {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: 0.5rem;
}

.chart-empty {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding: 2rem 0;
  text-align: center;
}

/* ─── Footer ──────────────────────────────────────────────────────────────── */

footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem var(--padding) 2.5rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-align: center;
}