:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #1a1d21;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #e2001a;           /* StadtRad red */
  --g: #2ecc71; --y: #f1c40f; --r: #e74c3c;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(16,24,40,.06), 0 1px 2px rgba(16,24,40,.04);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2 { line-height: 1.2; }
small { color: var(--muted); font-weight: 400; font-size: .72em; margin-left: .4em; }

/* header */
.site-header { background: linear-gradient(180deg, #fff, var(--bg)); border-bottom: 1px solid var(--line); padding: 34px 0 24px; }
.site-header h1 { margin: 0; font-size: 30px; letter-spacing: -.02em; }
.tag { font-size: 12px; vertical-align: middle; background: var(--accent); color: #fff; border-radius: 999px; padding: 3px 10px; letter-spacing: .04em; text-transform: uppercase; }
.sub { color: var(--muted); margin: 8px 0 0; max-width: 60ch; }
.freshness { color: var(--muted); font-size: 13px; margin: 10px 0 0; }

/* nav */
.nav { display: flex; gap: 8px; margin: 14px 0 0; }
.nav a { padding: 6px 14px; border-radius: 999px; font-size: 14px; font-weight: 550; color: var(--muted); border: 1px solid var(--line); background: #fff; }
.nav a:hover { text-decoration: none; border-color: var(--accent); }
.nav a.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* horizon pills */
.pills { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.pill { padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: 13px; font-weight: 550; cursor: pointer; }
.pill:hover { border-color: var(--accent); }
.pill.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* forecast risk list */
.risk-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 8px; }
.risk-row { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.risk-row:hover { border-color: var(--accent); }
.risk-badge { color: #fff; font-weight: 650; font-size: 12px; padding: 2px 7px; border-radius: 6px; min-width: 40px; text-align: center; }
.risk-name { flex: 1; font-weight: 550; }
.risk-sub { color: var(--muted); font-size: 12px; white-space: nowrap; }

main { padding: 24px 0 40px; }
section { margin: 22px 0; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; }
.card .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.card .v { font-size: 28px; font-weight: 650; margin-top: 4px; letter-spacing: -.02em; }
.card .v small { font-size: 13px; font-weight: 500; }

.card-lg { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; }
.card-lg h2 { margin: 0 0 12px; font-size: 17px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 860px) { .grid2 { grid-template-columns: 1fr; } }
canvas { max-width: 100%; }

/* map panel */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.panel-head h2 { margin: 0; font-size: 17px; }
.legend { color: var(--muted); font-size: 12px; display: flex; align-items: center; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-left: 10px; }
.dot.g { background: var(--g); } .dot.y { background: var(--y); } .dot.r { background: var(--r); }
.map-wrap { position: relative; }
#map { height: 560px; width: 100%; }
@media (max-width: 860px) { #map { height: 420px; } }

/* station side panel */
.station { position: absolute; top: 12px; right: 12px; width: 300px; max-width: calc(100% - 24px); max-height: calc(100% - 24px); overflow-y: auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 8px 30px rgba(16,24,40,.18); padding: 16px 18px; z-index: 500; }
.station.hidden { display: none; }
.station h3 { margin: 0 26px 4px 0; font-size: 16px; }
.station .stat-row { display: flex; gap: 14px; margin: 10px 0; }
.station .stat-row div { flex: 1; }
.station .stat-row .k { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.station .stat-row .v { font-size: 20px; font-weight: 650; }
.station .risk { display: inline-block; padding: 2px 8px; border-radius: 999px; color: #fff; font-size: 12px; font-weight: 600; }
#station-close { position: absolute; top: 8px; right: 10px; border: 0; background: none; font-size: 22px; line-height: 1; color: var(--muted); cursor: pointer; }
.station .cap { color: var(--muted); font-size: 12px; margin-top: 2px; }

/* heatmap */
.heatmap { display: grid; grid-template-columns: 34px repeat(24, 1fr); gap: 2px; font-size: 10px; color: var(--muted); }
.heatmap .lbl { display: flex; align-items: center; }
.heatmap .cell { aspect-ratio: 1 / 1; border-radius: 2px; background: var(--line); }
.heatmap .hr { text-align: center; }

/* downloads */
.downloads { display: flex; flex-wrap: wrap; gap: 10px; }
.downloads a { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; color: var(--ink); font-size: 14px; }
.downloads a:hover { border-color: var(--accent); text-decoration: none; }

.site-footer { border-top: 1px solid var(--line); background: #fff; padding: 20px 0; color: var(--muted); font-size: 13px; }
.site-footer p { margin: 4px 0; }