:root {
  /* Ge browsern schema-hint sa default-canvasen matchar OS-temat direkt
     (ingen vit FOUC-blink innan denna CSS laddats). Meta-taggen i <head> gor
     jobbet fore extern CSS; denna sakrar form-kontroller/scrollbars. */
  color-scheme: light dark;
  --teal: #5DCAA5;
  --teal-dark: #0F6E56;
  --teal-light: #9FE1CB;
  --dark: #090C14;
  --bg: #ffffff;
  --bg-secondary: #f7f9fa;
  --text: #1a1a1a;
  --muted: #5e6873;
  --border: #e1e6ec;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #090C14;
    --bg-secondary: #131720;
    --text: #f0f0f0;
    --muted: #9fa6b1;
    --border: #1f2530;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

/* Stäng-kryss uppe till höger (sidan öppnas i ny flik från appen). Försöker
   stänga fliken; faller annars tillbaka på navigation till appen via href. */
.legal-close {
  position: fixed; top: 0.85rem; right: 1rem; z-index: 20;
  width: 2.1rem; height: 2.1rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  border: 1px solid var(--border);
  color: var(--muted); text-decoration: none;
  font-size: 1.25rem; line-height: 1;
  backdrop-filter: saturate(180%) blur(8px);
}
.legal-close:hover { color: var(--text); }

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(8px);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--teal);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo:hover { color: var(--teal-dark); }

nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

nav a:hover { color: var(--teal); }
nav a.active { color: var(--text); }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

main h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--teal);
  letter-spacing: -0.02em;
}

main h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 2.5rem 0 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

main h2:first-of-type { border-top: none; padding-top: 0; }

main h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 1.75rem 0 0.5rem;
  color: var(--text);
}

main p { margin: 0 0 1rem; }

main strong { font-weight: 600; }

main em { color: var(--muted); }

main a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

main a:hover { color: var(--teal-dark); }

main ul, main ol {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
}

main li { margin-bottom: 0.4rem; }

main table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95em;
}

main th, main td {
  text-align: left;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
}

main th {
  background: var(--bg-secondary);
  font-weight: 600;
}

main code {
  background: var(--bg-secondary);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9em;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
}

main blockquote {
  border-left: 3px solid var(--teal);
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  color: var(--muted);
}

footer {
  text-align: center;
  padding: 2.5rem 2rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

footer a {
  color: var(--muted);
  text-decoration: none;
  margin: 0 0.6rem;
  transition: color 0.15s ease;
}

footer a:hover { color: var(--teal); }

footer .separator {
  margin: 0 0.3rem;
  opacity: 0.4;
}

@media (max-width: 640px) {
  header {
    padding: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  main {
    padding: 2rem 1.25rem 3rem;
  }
  main h1 { font-size: 1.85rem; }
  main h2 { font-size: 1.3rem; }
  main table { font-size: 0.85em; }
  main th, main td { padding: 0.4rem 0.5rem; }
}