:root {
  --bg: #f6f7f8;
  --surface: #ffffff;
  --surface-2: #eef1f4;
  --text: #15191e;
  --muted: #5b6470;
  --line: #d9dee4;
  --accent: #1f6fd1;
  --accent-bg: #e3eefb;
  --warn: #8a5a00;
  --warn-bg: #fff4dc;
  --error: #b42318;
  --ok: #2f7d32;
  --radius: 10px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --surface: #1a1e24;
    --surface-2: #232830;
    --text: #e8ebef;
    --muted: #a3acb8;
    --line: #333a44;
    --accent: #6aa7f0;
    --accent-bg: #1c2c42;
    --warn: #f0c46b;
    --warn-bg: #3a2f17;
    --error: #ff8a80;
    --ok: #81c784;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
section { scroll-margin-top: 90px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 0; font-weight: 600; }
h2 { font-size: 1.25rem; margin: 2.2rem 0 .8rem; font-weight: 600; }
h3 { font-size: 1.05rem; margin: 1.6rem 0 .6rem; font-weight: 600; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; background: var(--surface); padding: 6px 10px; z-index: 10; }
.preview { background: var(--warn-bg); color: var(--warn); font-size: .85rem; padding: 6px 16px; text-align: center; }
.preview a { color: inherit; }

.top { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.top-inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 10px 16px; }
.meta { margin: 2px 0 0; color: var(--muted); font-size: .9rem; }
nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: .95rem; }
nav a { text-decoration: none; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 12px; margin-top: 16px; }
.label { margin: 0; color: var(--muted); font-size: .85rem; }
.big { font-size: 3.4rem; line-height: 1.1; margin: 4px 0; font-variant-numeric: tabular-nums; }
.sub { margin: 2px 0; color: var(--muted); font-size: .9rem; font-variant-numeric: tabular-nums; }
.webcam { margin: 0; padding: 0; overflow: hidden; }
.webcam img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; background: var(--surface-2); }
.webcam figcaption { padding: 8px 12px; font-size: .85rem; color: var(--muted); }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-top: 12px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; }
.tile .v { font-size: 1.35rem; font-weight: 600; margin: 2px 0 0; font-variant-numeric: tabular-nums; }
.tile .s { font-size: .8rem; color: var(--muted); margin: 2px 0 0; }
.uv-niedrig { color: var(--ok); } .uv-mittel { color: #b08800; } .uv-hoch, .uv-sehr-hoch { color: #d4580a; } .uv-extrem { color: var(--error); }

.forecast { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.fc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; text-align: center; }
.fc .d { font-weight: 600; margin: 0; }
.fc .c { font-size: .85rem; color: var(--muted); margin: 4px 0; min-height: 2.4em; }
.fc .tt { margin: 0; font-variant-numeric: tabular-nums; }
.fc .tt span { color: var(--muted); }
.fc .p { font-size: .8rem; color: var(--muted); margin: 2px 0 0; }

.controls { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: end; }
.controls label { display: flex; flex-direction: column; font-size: .8rem; color: var(--muted); gap: 2px; }
input, select, button { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; min-height: 38px; }
button { cursor: pointer; }
button:hover { border-color: var(--accent); }
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.presets { display: flex; flex-wrap: wrap; gap: 6px; }
.controls label.check { flex-direction: row; align-items: center; gap: 8px; font-size: .9rem; color: var(--text); min-height: 38px; }
input[type="checkbox"] { width: 18px; height: 18px; min-height: 0; padding: 0; margin: 0; accent-color: var(--accent); }
.controls input[type="number"] { width: 6em; }
.presets button { font-size: .85rem; padding: 4px 10px; min-height: 34px; }
.presets button[aria-pressed="true"] { background: var(--accent-bg); color: var(--accent); border-color: var(--accent); }

.chart { width: 100%; height: 340px; margin-top: 10px; }
.chart-sm { height: 260px; }
.error { color: var(--error); min-height: 1.2em; margin: 6px 0 0; font-size: .9rem; }
.notice { background: var(--accent-bg); border-radius: var(--radius); padding: 10px 14px; margin-top: 12px; font-size: .92rem; }
.notice.warn { background: var(--warn-bg); color: var(--warn); }
.fine { color: var(--muted); font-size: .82rem; margin: 6px 0; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px; margin: 10px 0; }
.kpi { background: var(--surface-2); border-radius: var(--radius); padding: 8px 12px; }
.kpi .l { margin: 0; font-size: .8rem; color: var(--muted); }
.kpi .v { margin: 2px 0 0; font-size: 1.2rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.kpi .v small { font-size: .8rem; font-weight: 400; }
.up { color: var(--accent); } .down { color: var(--warn); }

.day-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 16px; }
.pics { display: grid; gap: 10px; }
.pics figure { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.pics img, .pics video { display: block; width: 100%; height: auto; background: var(--surface-2); }
.pics figcaption { padding: 6px 10px; font-size: .82rem; color: var(--muted); }

.table-wrap { margin-top: 8px; }
.table-wrap summary { cursor: pointer; color: var(--accent); font-size: .9rem; }
.table-wrap > div { max-height: 320px; overflow: auto; margin-top: 6px; }
table { border-collapse: collapse; width: 100%; font-size: .85rem; font-variant-numeric: tabular-nums; }
th, td { border-bottom: 1px solid var(--line); padding: 4px 8px; text-align: right; }
th:first-child, td:first-child { text-align: left; }
.links { padding-left: 1.2em; }
.foot { color: var(--muted); font-size: .85rem; padding: 24px 16px 40px; }

@media (max-width: 720px) {
  .hero, .day-grid { grid-template-columns: 1fr; }
  .forecast { grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); }
  .big { font-size: 2.8rem; }
  .chart { height: 280px; }
  nav { font-size: .9rem; gap: 10px; }
}