/* Kalmar Nation revision – översiktssida */

:root {
  color-scheme: light dark;
  --bg: #f6f4ef;
  --fg: #1a1a1a;
  --accent: #2c5282;
  --card: #fff;
  --border: #c4b8a8;
  --note: #fff9e6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1b18;
    --fg: #f0ebe3;
    --accent: #90cdf4;
    --card: #2d2c28;
    --border: #5c574e;
    --note: #3d3628;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  line-height: 1.55;
  background: var(--bg);
  color: var(--fg);
}

/* Layout */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Year navigation strip (revision pages – cross-reference between years) */
.year-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin: 0 0 1.5rem;
  padding: 0.45rem 0.85rem;
  background: rgba(0,0,0,0.04);
  border-radius: 6px;
  font-size: 0.84rem;
}
.year-nav-current {
  font-weight: 700;
}
.year-nav-link {
  font-weight: 600;
}
/* Separator dot between items */
.year-nav > * + * {
  padding-left: 1.25rem;
  border-left: 1px solid var(--border);
}
@media (prefers-color-scheme: dark) {
  .year-nav { background: rgba(255,255,255,0.05); }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  position: fixed;
  left: 0.5rem;
  top: 0.5rem;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
  z-index: 10;
}

header {
  padding: 1.75rem 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

/* Uppdatering: språkväxlarknapp fast positionerad uppe till höger –
   position: fixed gör att den alltid syns, även när man scrollar (precis som github-link) */
.lang-btn {
  position: fixed;
  top: 1rem;
  right: 1.25rem;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  background: transparent;
  border: 1.5px solid var(--accent);
  border-radius: 99px;
  padding: 0.25rem 0.75rem;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}

.lang-btn:hover {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

header h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 700;
}

header .lead {
  margin: 0;
  max-width: 42rem;
  opacity: 0.9;
}

main {
  max-width: 48rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

section {
  margin-bottom: 2rem;
}

section h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
  color: var(--accent);
}

/* Kort / listor */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.15rem;
  margin-bottom: 1rem;
}

.card ul {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.card li {
  margin-bottom: 0.35rem;
}

/* Gul bakgrund för indatafält (tydlig markering) – används om formulär läggs till */
input[type="text"],
input[type="search"],
textarea,
select {
  background-color: #fff9c4;
  color: #1a1a1a;
  border: 1px solid #c9b84a;
  border-radius: 4px;
  padding: 0.45rem 0.6rem;
  width: 100%;
  max-width: 24rem;
}

@media (prefers-color-scheme: dark) {
  input[type="text"],
  input[type="search"],
  textarea,
  select {
    background-color: #4a4428;
    color: #faf6e8;
    border-color: #8a8040;
  }
}

.note {
  background: var(--note);
  border-left: 4px solid #c9a227;
  padding: 0.85rem 1rem;
  border-radius: 0 6px 6px 0;
  margin-top: 1rem;
}

footer {
  padding: 1rem 1.25rem 2rem;
  font-size: 0.875rem;
  opacity: 0.75;
  text-align: center;
  border-top: 1px solid var(--border);
}

/* Uppdatering: diskret fast länk nedre vänstra hörnet → GitHub-repot */
.github-link {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fg);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.65rem;
  text-decoration: none;
  opacity: 0.55;
  transition: opacity 0.15s, box-shadow 0.15s;
  z-index: 50;
}

.github-link:hover {
  opacity: 1;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  text-decoration: none;
}

a {
  color: var(--accent);
}

a:hover {
  text-decoration: underline;
}

/* Tooltip – hover-förklaring för siffror och begrepp */
.tooltip {
  position: relative;
  display: inline-block;
  border-bottom: 1px dashed var(--accent);
  cursor: help;
}

.tooltip .tooltip-text {
  visibility: hidden;
  opacity: 0;
  width: 320px;
  background: #1a202c;
  color: #e2e8f0;
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.55;
  border-radius: 6px;
  padding: 0.65rem 0.85rem;
  position: absolute;
  z-index: 100;
  bottom: 130%;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  transition: opacity 0.18s ease;
  pointer-events: none;
}

.tooltip .tooltip-text::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #1a202c;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* Bredare tooltip-variant för längre förklarande texter (t.ex. begreppsförklaringar) */
.tooltip.tooltip-wide .tooltip-text {
  width: 370px;
}

@media (prefers-color-scheme: dark) {
  .tooltip .tooltip-text {
    background: #e2e8f0;
    color: #1a202c;
  }
  .tooltip .tooltip-text::after {
    border-top-color: #e2e8f0;
  }
}