/* Základ: barevné tokeny, reset, rozvržení stránky a karty */

:root {
  --bg: #f4f5f2;
  --card: #ffffff;
  --text: #1d2320;
  --muted: #66706b;
  --line: #e2e5e0;
  --accent: #2f6f4f;
  --up: #1f7a45;
  --down: #b3261e;
  --danger: #c0392b;
  --rain: #3b82c4;
  --rain-bar: #6aa7da;
  --temp: #d9622b;
  --night: rgba(30, 40, 60, .05);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141816;
    --card: #1d2320;
    --text: #e8ece9;
    --muted: #97a19c;
    --line: #2c3430;
    --accent: #7cc49d;
    --up: #6fcf97;
    --down: #f28b82;
    --temp: #d86f38;
    --rain-bar: #4a82dc;
    --night: rgba(0, 0, 0, .22);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

[hidden] { display: none !important; }

/* Stránka */
.wrap { max-width: 1200px; margin: 0 auto; padding: 20px 16px 40px; }

.page-header { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 18px; }
.page-header h1 { margin: 0; font-size: 1.7rem; }
#clock { color: var(--muted); font-variant-numeric: tabular-nums; }

.page-footer { color: var(--muted); font-size: .8rem; margin-top: 24px; }

/* Mřížka 12 sloupců */
.grid { display: grid; gap: 16px; grid-template-columns: repeat(12, 1fr); }
.span-4 { grid-column: span 4; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }
@media (max-width: 900px) { .span-4, .span-6, .span-8 { grid-column: span 12; } }

/* Karta */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; min-width: 0; }
.card h2 { margin: 0 0 12px; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); display: flex; justify-content: space-between; gap: 8px; }
.card h2 a { text-transform: none; letter-spacing: 0; }
.card h2 .sub { opacity: .8; margin-left: 6px; letter-spacing: .02em; }

/* Pomocné třídy */
.note { color: var(--muted); font-size: .8rem; margin-top: 8px; }
.err { color: var(--danger); }