/* ============================================================
   kiforskolen – delt stilark
   Alle sider lenker til denne filen.
   Sidespesifikk CSS legges i en <style>-blokk i den aktuelle
   HTML-filen, slik at denne filen forblir ren og vedlikeholdbar.
   ============================================================ */

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── DESIGN TOKENS ── */
:root {
  --bg:          hsl(0, 0%, 100%);
  --fg:          hsl(0, 0%, 8%);
  --muted:       hsl(0, 0%, 96%);
  --muted-fg:    hsl(0, 0%, 45%);
  --border:      hsl(0, 0%, 90%);
  --radius:      0.5rem;

  /* Indigo-aksent */
  --accent-bg:   hsl(245, 40%, 96%);
  --accent-fg:   hsl(245, 40%, 35%);
  --accent-mid:  hsl(245, 50%, 60%);

  /* Kategorifarger */
  --teal-bg:     hsl(168, 50%, 94%);
  --teal-fg:     hsl(172, 82%, 25%);
  --teal:        hsl(168, 78%, 50%);
  --amber-bg:    hsl(45,  80%, 93%);
  --amber-fg:    hsl(27,  90%, 35%);
  --amber:       hsl(45,  97%, 56%);
  --blue-bg:     hsl(199, 60%, 93%);
  --blue-fg:     hsl(224, 76%, 38%);
  --blue:        hsl(199, 89%, 60%);

  /* Rutemønster */
  --grid-line:   rgba(0, 0, 0, 0.042);
}

/* ── DARK MODE ── */
html.dark {
  --bg:          hsl(222, 84%, 5%);
  --fg:          hsl(210, 40%, 98%);
  --muted:       hsl(217, 33%, 14%);
  --muted-fg:    hsl(215, 20%, 60%);
  --border:      hsl(217, 33%, 18%);
  --accent-bg:   hsl(245, 30%, 16%);
  --accent-fg:   hsl(245, 60%, 80%);
  --accent-mid:  hsl(245, 50%, 68%);
  --teal-bg:     hsl(168, 30%, 16%);
  --teal-fg:     hsl(168, 65%, 65%);
  --amber-bg:    hsl(45,  30%, 16%);
  --amber-fg:    hsl(45,  85%, 65%);
  --blue-bg:     hsl(199, 30%, 16%);
  --blue-fg:     hsl(199, 70%, 65%);
  --grid-line:   rgba(255, 255, 255, 0.055);
}

/* ── BASE ── */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 1rem;
  line-height: 1.5;
  transition: background 0.2s, color 0.2s;
}

/* ── RUTEMØNSTER (bakgrunnen bak alt) ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(to bottom,
    black 0%, black 45%, rgba(0,0,0,0.4) 70%, transparent 92%);
  mask-image: linear-gradient(to bottom,
    black 0%, black 45%, rgba(0,0,0,0.4) 70%, transparent 92%);
}

/* ── HEADER ── */
#site-header header {
  height: 64px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
  transition: background 0.2s, border-color 0.2s;
}

/* ── LOGO: ki (indigo) | for (grå) skolen (mørk) ── */
.logo {
  display: flex;
  align-items: center;
  gap: 0;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.logo-ki     { color: var(--accent-mid); }
.logo-pipe   { color: var(--muted-fg); font-weight: 300; margin: 0 1px; }
.logo-for    { color: var(--muted-fg); font-weight: 500; }
.logo-skolen { color: var(--fg); }

/* ── NAV ── */
nav { display: flex; align-items: center; gap: 0.25rem; }

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-fg);
  text-decoration: none;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  transition: color 0.15s;
}
.nav-link:hover  { color: var(--fg); }
.nav-link.active { color: var(--fg); }

/* ── THEME TOGGLE ── */
.theme-toggle {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer; color: var(--fg); margin-left: 0.5rem;
  transition: border-color 0.2s, color 0.2s;
}
.theme-toggle:hover { border-color: var(--muted-fg); }

.icon-sun  { display: block; }
.icon-moon { display: none; }
html.dark .icon-sun  { display: none; }
html.dark .icon-moon { display: block; }

/* ── FOOTER ── */
#site-footer footer {
  border-top: 1px solid var(--border);
  padding: 3rem 1.5rem 2rem;
  margin-top: auto;
  background: var(--bg);
  transition: background 0.2s, border-color 0.2s;
}

.footer-inner { max-width: 80rem; margin: 0 auto; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand {
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 700; margin-bottom: 0.75rem;
}
.footer-desc { font-size: 0.875rem; color: var(--muted-fg); line-height: 1.6; }
.footer-col h3 { font-size: 0.875rem; font-weight: 600; margin-bottom: 0.75rem; }
.footer-col a {
  display: block; font-size: 0.875rem; color: var(--muted-fg);
  text-decoration: none; margin-bottom: 0.4rem; transition: color 0.15s;
}
.footer-col a:hover { color: var(--fg); }
.footer-copy {
  border-top: 1px solid var(--border); padding-top: 1.5rem;
  font-size: 0.8125rem; color: var(--muted-fg); text-align: center;
}

/* ── DELTE SIDEKOMPONENTER ── */

/* Brødsmule */
.breadcrumb {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.875rem; color: var(--muted-fg);
  text-decoration: none; padding: 1.5rem 0 0;
  transition: color 0.15s;
}
.breadcrumb:hover { color: var(--fg); }

/* Sidehode */
.page-header { padding: 1.75rem 0 2.5rem; }
.page-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700; letter-spacing: -0.02em; margin-bottom: 0.6rem;
}
.page-header p { font-size: 1rem; color: var(--muted-fg); line-height: 1.65; max-width: 600px; }

/* Container */
.container { max-width: 80rem; margin: 0 auto; padding: 0 1.5rem; width: 100%; }
.container-narrow { max-width: 56rem; margin: 0 auto; padding: 0 1.5rem; width: 100%; }

/* Filterlinje */
.filter-bar {
  display: flex; align-items: center; gap: 0.5rem;
  margin-bottom: 2rem; flex-wrap: wrap;
}
.filter-icon { color: var(--muted-fg); flex-shrink: 0; }

.filter-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.875rem; font-weight: 500; font-family: inherit;
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--border); border-radius: 9999px;
  background: var(--bg); color: var(--muted-fg);
  cursor: pointer; transition: all 0.15s;
}
.filter-btn:hover { color: var(--fg); border-color: var(--fg); }
.filter-btn.active { background: var(--fg); color: var(--bg); border-color: var(--fg); }

.filter-btn .dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.filter-btn.teal-btn  .dot { background: var(--teal); }
.filter-btn.amber-btn .dot { background: var(--amber); }
.filter-btn.blue-btn  .dot { background: var(--blue); }
.filter-btn.teal-btn.active  { background: var(--teal-fg);  border-color: var(--teal-fg); }
.filter-btn.amber-btn.active { background: var(--amber-fg); border-color: var(--amber-fg); }
.filter-btn.blue-btn.active  { background: var(--blue-fg);  border-color: var(--blue-fg); }

/* Kategori-badge (i kortene) */
.cat-badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.72rem; font-weight: 600;
  padding: 0.2rem 0.6rem; border-radius: 9999px; margin-bottom: 0.75rem;
}
.cat-badge .dot { width: 7px; height: 7px; border-radius: 50%; }
.badge-forstå  { background: var(--teal-bg);  color: var(--teal-fg); }
.badge-forstå  .dot { background: var(--teal); }
.badge-bruke   { background: var(--amber-bg); color: var(--amber-fg); }
.badge-bruke   .dot { background: var(--amber); }
.badge-vurdere { background: var(--blue-bg);  color: var(--blue-fg); }
.badge-vurdere .dot { background: var(--blue); }

/* Kategori-pill (i forsidekort) */
.cat-pill {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.75rem; font-weight: 600;
  padding: 0.2rem 0.65rem; border-radius: 9999px;
}
.cat-pill svg { flex-shrink: 0; }
.pill-teal  { background: var(--teal-bg);  color: var(--teal-fg); }
.pill-amber { background: var(--amber-bg); color: var(--amber-fg); }
.pill-blue  { background: var(--blue-bg);  color: var(--blue-fg); }

/* Kort-grid (forklassen / forlærere) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
  padding-bottom: 5rem;
}

/* Generelt kort */
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  background: var(--bg);
  transition: box-shadow 0.2s, border-color 0.2s;
}
.card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); border-color: #ccc; }

/* Skillelinje */
hr.divider { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

/* Avsnittstittel */
.section-label {
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted-fg); margin-bottom: 1.25rem;
}