/* ------------------------------------------------------------------ *
 * Swiss Health Checks — styles
 * Plain CSS, no framework. Light/dark via prefers-color-scheme.
 * ------------------------------------------------------------------ */

:root {
  color-scheme: light dark;
  --color-bg: #ffffff;
  --color-surface: #f8fafc;
  --color-text: #1e293b;
  --color-muted: #64748b;
  --color-accent: #2563eb;
  --color-accent-soft: #dbeafe;
  --color-border: #e2e8f0;
  --color-female: #db2777;
  --color-male: #0891b2;
  --color-danger: #b91c1c;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --maxw: 1040px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-text: #e2e8f0;
    --color-muted: #94a3b8;
    --color-accent: #60a5fa;
    --color-accent-soft: #1e3a5f;
    --color-border: #334155;
    --color-female: #f472b6;
    --color-male: #22d3ee;
    --color-danger: #f87171;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* ---------- Header / nav ---------- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 60px;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  color: var(--color-text);
  font-size: 1.05rem;
}
.brand:hover { text-decoration: none; }
.brand img { width: 26px; height: 26px; }
.nav { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.nav a {
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  color: var(--color-muted);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav a:hover { background: var(--color-surface); text-decoration: none; }
.nav a.active { color: var(--color-accent); background: var(--color-accent-soft); }

/* ---------- Hero ---------- */
.hero { padding: 3rem 0 1.5rem; }
.hero h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); line-height: 1.15; margin: 0 0 0.75rem; }
.hero p.lead { font-size: 1.15rem; color: var(--color-muted); max-width: 60ch; margin: 0 0 1.5rem; }
.cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.15rem;
  border-radius: 10px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { text-decoration: none; filter: brightness(1.05); }
.btn-secondary { background: transparent; color: var(--color-accent); border-color: var(--color-border); }
.btn-secondary:hover { text-decoration: none; background: var(--color-surface); }

/* ---------- Sections & cards ---------- */
main { padding-bottom: 4rem; }
.section { padding: 1.5rem 0; }
.section h2 { font-size: 1.5rem; margin: 0 0 1rem; }

.card-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 0.35rem; font-size: 1.1rem; }
.card p { margin: 0.4rem 0; }
.card .meta { font-size: 0.9rem; color: var(--color-muted); }

.home-tiles { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.tile {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  color: var(--color-text);
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.tile:hover { text-decoration: none; transform: translateY(-2px); border-color: var(--color-accent); }
.tile .tile-icon { font-size: 1.8rem; }
.tile h3 { margin: 0.5rem 0 0.35rem; font-size: 1.2rem; }
.tile p { margin: 0; color: var(--color-muted); }

/* ---------- Filters ---------- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: flex-end;
  padding: 1rem 1.15rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}
.filter-group { display: flex; flex-direction: column; gap: 0.4rem; }
.filter-group > span { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-muted); }
.chips { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.chip {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
}
.chip:hover { border-color: var(--color-accent); }
.chip[aria-pressed="true"] { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  vertical-align: middle;
}
.badge-female { color: var(--color-female); border-color: var(--color-female); }
.badge-male { color: var(--color-male); border-color: var(--color-male); }

.check-card .row { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; flex-wrap: wrap; }
.check-card dl { display: grid; grid-template-columns: auto 1fr; gap: 0.35rem 0.9rem; margin: 0.75rem 0 0; font-size: 0.95rem; }
.check-card dt { font-weight: 600; color: var(--color-muted); }
.check-card dd { margin: 0; }
.check-card .source { margin-top: 0.75rem; font-size: 0.85rem; }

/* ---------- Age band accordion ---------- */
.band {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.9rem;
  overflow: hidden;
  background: var(--color-surface);
}
.band > summary {
  cursor: pointer;
  padding: 1rem 1.25rem;
  font-weight: 700;
  font-size: 1.15rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.band > summary::-webkit-details-marker { display: none; }
.band > summary .count { font-size: 0.85rem; font-weight: 500; color: var(--color-muted); }
.band[open] > summary { border-bottom: 1px solid var(--color-border); }
.band .band-body { padding: 0.5rem 1.25rem 1.25rem; }
.band table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.band th, .band td { text-align: left; padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--color-border); vertical-align: top; }
.band th { color: var(--color-muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
.band tr:last-child td { border-bottom: none; }

/* ---------- Disclaimer / notices ---------- */
.disclaimer {
  background: var(--color-accent-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.9rem 1.15rem;
  font-size: 0.95rem;
  margin: 1.5rem 0;
}
.disclaimer strong { color: var(--color-text); }

.empty { color: var(--color-muted); padding: 2rem; text-align: center; }

/* ---------- Prose (About / docs) ---------- */
.prose { max-width: 70ch; }
.prose h2 { margin-top: 2rem; }
.prose ul { padding-left: 1.25rem; }
.prose li { margin: 0.35rem 0; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}
.site-footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.site-footer a { color: var(--color-muted); }

@media (max-width: 560px) {
  .band th:nth-child(3), .band td:nth-child(3) { display: none; }
}