/* ====================================================================
   Vattenskoter — Studiematerial för förarbeviset
   Egen CSS utöver Tailwind CDN. Marin/nautisk palett.
   ==================================================================== */

:root {
  --nav-deep:        #0a4d8c;   /* djupblå */
  --nav-deep-hover:  #083e70;
  --nav-button-text: #ffffff;
  --nav-answer-correct: #17663e;
  --nav-answer-wrong: #a12d29;
  --nav-turquoise:   #00a8cc;
  --nav-turquoise-l: #33bdd6;
  --nav-sand:        #f4e4bc;
  --nav-sand-2:      #fbf3d9;
  --nav-white:       #ffffff;
  --nav-ink:         #0f1e2c;   /* mörk läsfärg */
  --nav-ink-soft:    #37475a;
  --nav-line:        #d9e2ec;
  --nav-danger:      #d9534f;
  --nav-success:     #28a76b;
  --nav-progress:    #2b7db8;   /* ljusblå — påbörjat men ej klart */
  --nav-warning:     #f2a341;
  --nav-shadow:      0 4px 14px rgba(10, 77, 140, 0.08);
  --nav-radius:      14px;
}

/* Dark mode variables (aktiveras med html.dark) */
html.dark {
  --nav-deep:        #4a9eff;
  --nav-deep-hover:  #66b1ff;
  --nav-button-text: #0f1720;
  --nav-answer-correct: #7ddcad;
  --nav-answer-wrong: #ffaaa7;
  --nav-turquoise:   #33bdd6;
  --nav-sand:        #2a2419;
  --nav-sand-2:      #3a3324;
  --nav-white:       #0f1720;
  --nav-ink:         #e6edf3;
  --nav-ink-soft:    #adbac7;
  --nav-line:        #2d3846;
  --nav-progress:    #5ab8e0;   /* ljusare för mörkt tema */
  --nav-shadow:      0 4px 14px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--nav-ink);
  background: var(--nav-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--nav-ink);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.9rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: 2.5rem; }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); margin-top: 1.75rem; }

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

/* ------------------------ Top nav / header ------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--nav-line);
}
html.dark .site-header {
  background: rgba(15, 23, 32, 0.92);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
}

.brand {
  display: flex; align-items: center; gap: 0.6rem;
  font-weight: 800; font-size: 1.1rem; color: var(--nav-deep);
  text-decoration: none;
}
.brand svg { width: 28px; height: 28px; }
.brand:hover { text-decoration: none; }

.top-links { display: flex; gap: 1.25rem; align-items: center; }
.top-links a {
  color: var(--nav-ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
}
.top-links a.active, .top-links a:hover { color: var(--nav-deep); }

.top-links a[data-vs-account][href*="/konto/logga-in/"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: .6rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--nav-deep);
  color: var(--nav-white);
  font-weight: 700;
  white-space: nowrap;
  text-decoration: none;
  box-shadow: 0 3px 10px rgba(10, 77, 140, .18);
  transition: background-color .15s, box-shadow .15s;
}
.top-links a[data-vs-account][href*="/konto/logga-in/"]:hover {
  background: var(--nav-deep-hover);
  box-shadow: 0 4px 12px rgba(10, 77, 140, .25);
}
.top-links a[data-vs-account][href*="/konto/logga-in/"]:focus-visible {
  outline: 3px solid var(--nav-deep);
  outline-offset: 3px;
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--nav-line);
  border-radius: 999px;
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--nav-ink-soft);
  transition: all .15s;
}
.theme-toggle:hover { color: var(--nav-deep); border-color: var(--nav-deep); }

.mobile-toggle {
  background: none; border: none; cursor: pointer;
  color: var(--nav-ink); display: none;
}
@media (max-width: 900px) {
  .top-links { display: none; }
  .mobile-toggle { display: inline-flex; }
  .top-links.open {
    display: flex;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--nav-white);
    flex-direction: column; padding: 1rem;
    border-bottom: 1px solid var(--nav-line);
  }
}

/* ------------------------ Hero ------------------------ */
.hero {
  background:
    linear-gradient(135deg, rgba(10,77,140,0.92) 0%, rgba(0,168,204,0.85) 100%),
    radial-gradient(circle at 20% 30%, #1a6fb0 0%, transparent 40%);
  color: #fff;
  padding: 4.5rem 1rem 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 60px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'><path d='M0,60 C300,120 900,0 1200,60 L1200,120 L0,120 Z' fill='%23ffffff'/></svg>") no-repeat center/cover;
}
html.dark .hero::after {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'><path d='M0,60 C300,120 900,0 1200,60 L1200,120 L0,120 Z' fill='%230f1720'/></svg>");
}
.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero p.lead {
  max-width: 640px;
  margin: 0 auto 2rem;
  font-size: 1.15rem;
  opacity: 0.95;
}
.hero .cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--nav-sand);
  color: var(--nav-deep);
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
  transition: transform .15s, box-shadow .15s;
}
.hero .cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  text-decoration: none;
}
.hero .cta[hidden] { display: none; }

/* Mobile: add vertical gap between CTA buttons */
@media (max-width: 768px) {
  .hero .cta {
    margin: 0.5rem auto;
    display: flex;
    width: 100%;
    max-width: 320px;
    text-align: center;
    justify-content: center;
  }
  .hero .cta + .cta {
    margin-top: 0.75rem;
  }
  .hero { padding-top: 2.5rem; }
}

/* ------------------------ Chapter grid ------------------------ */
.wrap-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem;
  /* iOS Safari: safe area for "Din framgång" section */
  padding-bottom: max(2rem, calc(2rem + env(safe-area-inset-bottom)));
}
.wrap-narrow { max-width: 780px; margin: 0 auto; padding: 2rem 1rem; }

.chapter-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.chapter-card {
  background: var(--nav-white);
  border: 1px solid var(--nav-line);
  border-radius: var(--nav-radius);
  padding: 1.25rem;
  transition: transform .15s, box-shadow .15s, border-color .15s;
  display: block;
  color: inherit;
  text-decoration: none;
}
.chapter-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--nav-shadow);
  border-color: var(--nav-turquoise);
  text-decoration: none;
}
.chapter-card .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--nav-sand);
  color: var(--nav-deep);
  font-weight: 800;
  margin-bottom: 0.75rem;
}
.chapter-card h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.chapter-card p { margin: 0; color: var(--nav-ink-soft); font-size: 0.95rem; }
.chapter-card .meta {
  margin-top: 0.75rem; font-size: 0.8rem;
  color: var(--nav-ink-soft);
  display: flex; gap: 0.75rem; align-items: center;
}
.chapter-card.done { border-color: var(--nav-success); }
.chapter-card.done .num { background: var(--nav-success); color: #fff; }
.chapter-card.in-progress { border-color: var(--nav-progress); }
.chapter-card.in-progress .num { background: var(--nav-progress); color: #fff; }
.chapter-card.failed { border-color: var(--nav-danger); }
.chapter-card.failed .num { background: var(--nav-danger); color: #fff; }

/* ------------------------ Progress bar ------------------------ */
.progress-bar {
  height: 8px;
  background: var(--nav-line);
  border-radius: 999px;
  overflow: hidden;
  margin: 0.75rem 0;
}
.progress-bar > span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--nav-turquoise), var(--nav-deep));
  border-radius: 999px;
  transition: width .3s ease;
}

/* ------------------------ Sidebar layout (chapters) ------------------------ */
.reader {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}
.reader-side {
  border-right: 1px solid var(--nav-line);
  padding-right: 1.25rem;
  position: sticky;
  top: 80px;
  align-self: flex-start;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}
.reader-side h2, .reader-side h4 {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--nav-ink-soft); margin: 0 0 0.5rem;
}
.reader-side ol { list-style: none; padding: 0; margin: 0; }
.reader-side ol li a {
  display: flex; gap: 0.5rem; align-items: baseline;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  color: var(--nav-ink-soft);
  font-size: 0.9rem;
}
.reader-side ol li a .chapter-num {
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--nav-turquoise);
  min-width: 1.75em;
  flex-shrink: 0;
}
.reader-side ol li a .chapter-title { flex: 1; }
.reader-side ol li a:hover { background: var(--nav-sand-2); text-decoration: none; }
.reader-side ol li a.current { background: var(--nav-sand); color: var(--nav-deep); font-weight: 600; }
.reader-side ol li a.done { color: var(--nav-success); }
.reader-side ol li a.done .chapter-num { color: var(--nav-success); }
.reader-side ol li a.failed,
.reader-side ol li a.failed .chapter-num { color: var(--nav-danger); }

/* Påbörjat men ej klart — ljusblå, tydligt men lugnare än grön */
.reader-side ol li a.in-progress { color: var(--nav-progress); font-weight: 500; }
.reader-side ol li a.in-progress .chapter-num {
  color: #fff;
  background: var(--nav-progress);
  border-radius: 4px;
  padding: 0 0.35em;
  min-width: 1.9em;
  text-align: center;
}
/* If the user is currently viewing an in-progress chapter, keep the
   sand "current" background but keep the ljusblå text so the state
   stays legible. */
.reader-side ol li a.current.in-progress { color: var(--nav-progress); }

@media (max-width: 900px) {
  /* minmax(0, 1fr), not 1fr: a bare `1fr` track cannot shrink below its
     content's min-content width, so a single long URL or a wide table
     widens the whole page and the document scrolls sideways. */
  .reader { grid-template-columns: minmax(0, 1fr); }
  .reader-side {
    border-right: none;
    border-bottom: 1px solid var(--nav-line);
    padding-right: 0;
    position: static;
    max-height: none;
  }
}

/* ------------------------ Article body ------------------------ */
.article {
  max-width: 720px;
  overflow-wrap: break-word;
}
/* `anywhere` (not `break-word`) so the break counts towards min-content
   sizing — needed for the bare URLs in the source callouts. */
.article a { overflow-wrap: anywhere; }
.article .kicker {
  color: var(--nav-turquoise);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
}
.article h1 { margin: 0.25rem 0 0.75rem; }
.article .meta-row {
  display: flex; gap: 1rem; flex-wrap: wrap;
  color: var(--nav-ink-soft); font-size: 0.9rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--nav-line);
}
.article p { margin: 0 0 1rem; }
.article ul, .article ol { margin: 0 0 1rem 1.25rem; }
.article ul li, .article ol li { margin: 0.25rem 0; }
.article figure { margin: 1.75rem 0; }
.article figure img {
  width: 100%; height: auto; border-radius: var(--nav-radius);
  box-shadow: var(--nav-shadow);
  background: var(--nav-sand-2);
}
.article figure figcaption {
  color: var(--nav-ink-soft);
  font-size: 0.85rem;
  text-align: center;
  margin-top: 0.5rem;
}

/* Table as a block box: the anonymous table inside still wraps to the
   column, and only scrolls horizontally if min-content exceeds it. */
.article table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.callout {
  border-left: 4px solid var(--nav-turquoise);
  background: var(--nav-sand-2);
  padding: 1rem 1.25rem;
  border-radius: 8px;
  margin: 1.5rem 0;
}
.callout.warning { border-color: var(--nav-warning); }
.callout.danger { border-color: var(--nav-danger); }
.callout.law {
  border-color: var(--nav-deep);
  background: rgba(10,77,140,0.06);
}
.callout h2, .callout h3, .callout h4 {
  margin: 0 0 0.5rem;
  color: var(--nav-deep);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.callout.warning h2, .callout.warning h3, .callout.warning h4 { color: #a76b1a; }
.callout.danger h2, .callout.danger h3, .callout.danger h4 { color: var(--nav-danger); }

.key-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0;
}
.key-facts div {
  background: var(--nav-white);
  border: 1px solid var(--nav-line);
  border-radius: 10px;
  padding: 1rem;
}
.key-facts .label {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--nav-ink-soft);
}
.key-facts .value {
  font-size: 1.4rem; font-weight: 800; color: var(--nav-deep);
  margin-top: 0.25rem;
}

/* ------------------------ Quiz ------------------------ */
.quiz {
  background: var(--nav-white);
  border: 1px solid var(--nav-line);
  border-radius: var(--nav-radius);
  padding: 1.5rem;
  margin: 2.5rem 0;
  box-shadow: var(--nav-shadow);
}
.quiz h3 { margin-top: 0; color: var(--nav-deep); }
.quiz-progress {
  font-size: 0.85rem; color: var(--nav-ink-soft);
  margin-bottom: 1rem;
}
.quiz-question { font-weight: 600; margin: 1rem 0 1rem; font-size: 1.05rem; }
.quiz-answers { display: flex; flex-direction: column; gap: 0.5rem; }
.quiz-answers button {
  text-align: left;
  padding: 0.75rem 1rem;
  border: 2px solid var(--nav-line);
  background: var(--nav-white);
  border-radius: 10px;
  cursor: pointer;
  font-size: 1rem;
  color: var(--nav-ink);
  transition: all .15s;
  font-family: inherit;
}
.quiz-answers button:hover:not(:disabled) {
  border-color: var(--nav-turquoise);
  background: var(--nav-sand-2);
}
.quiz-answers button.correct {
  border-color: var(--nav-success);
  background: rgba(40, 167, 107, 0.08);
  color: var(--nav-answer-correct);
  font-weight: 600;
}
.quiz-answers button.wrong {
  border-color: var(--nav-danger);
  background: rgba(217, 83, 79, 0.08);
  color: var(--nav-answer-wrong);
}
.quiz-answers button:disabled { cursor: not-allowed; }
.quiz-feedback {
  margin-top: 1rem; padding: 0.85rem 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  display: none;
}
.quiz-feedback.show { display: block; }
.quiz-feedback.correct { background: rgba(40, 167, 107, 0.1); color: #1c7a4d; }
.quiz-feedback.wrong { background: rgba(217, 83, 79, 0.1); color: #a13b38; }
.quiz-actions {
  display: flex; justify-content: space-between; gap: 0.75rem;
  margin-top: 1rem;
}
.btn {
  background: var(--nav-deep); color: var(--nav-button-text); border: none;
  padding: 0.7rem 1.5rem; border-radius: 999px;
  font-weight: 600; cursor: pointer;
  font-family: inherit; font-size: 0.95rem;
  transition: background .15s, transform .15s;
}
.btn:hover:not(:disabled) { color: var(--nav-button-text); background: var(--nav-deep-hover); transform: translateY(-1px); }
.btn:disabled { background: var(--nav-line); color: var(--nav-ink-soft); opacity: 1; cursor: not-allowed; }
.btn.secondary {
  background: transparent; color: var(--nav-deep);
  border: 1px solid var(--nav-line);
}
.btn.secondary:hover:not(:disabled) { color: var(--nav-deep); border-color: var(--nav-deep); background: var(--nav-sand-2); }

.quiz-result {
  text-align: center;
  padding: 1.5rem;
}
.quiz-result .score {
  font-size: 3rem; font-weight: 800; color: var(--nav-deep);
  margin: 0.5rem 0;
}
.quiz-result .verdict {
  font-size: 1.15rem;
  margin-bottom: 1rem;
}
.quiz-result.pass .score { color: var(--nav-success); }
.quiz-result.fail .score { color: var(--nav-danger); }

/* ------------------------ Nav pager ------------------------ */
.pager {
  display: flex; justify-content: space-between; gap: 1rem;
  margin: 3rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--nav-line);
}
.pager a {
  display: flex; flex-direction: column; gap: 0.25rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--nav-line);
  border-radius: 10px;
  flex: 1;
  text-decoration: none;
  color: inherit;
  min-width: 0;
  max-width: 48%;
  transition: border-color .15s, background .15s;
}
.pager a:hover { border-color: var(--nav-turquoise); background: var(--nav-sand-2); text-decoration: none; }
.pager .lbl { font-size: 0.75rem; color: var(--nav-ink-soft); text-transform: uppercase; letter-spacing: 0.05em; }
.pager .title { font-weight: 600; color: var(--nav-deep); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pager .next { text-align: right; }
.pager .prev.empty, .pager .next.empty { visibility: hidden; }

/* ------------------------ Footer ------------------------ */
.site-footer {
  background: var(--nav-deep);
  color: rgba(255,255,255,0.85);
  padding: 3rem 1rem 2rem;
  margin-top: 4rem;
}
.site-footer .wrap {
  max-width: 1100px; margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
}
.site-footer h2, .site-footer h4 { color: #fff; font-size: 1rem; margin: 0 0 0.75rem; }
.site-footer a { color: rgba(255,255,255,0.85); }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin: 0.25rem 0; font-size: 0.9rem; }
.site-footer .disclaimer {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}
.site-footer .copyright {
  border-top: 1px solid rgba(255,255,255,0.15);
  margin-top: 2rem; padding-top: 1rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  text-align: center;
}
@media (max-width: 700px) {
  .site-footer .wrap { grid-template-columns: 1fr; }
}

/* ------------------------ Disclaimer banner ------------------------ */
.disclaimer-banner {
  background: var(--nav-sand);
  color: #6b4b1a;
  padding: 0.7rem 1rem;
  text-align: center;
  font-size: 0.88rem;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.disclaimer-banner strong { color: #4a3410; }

/* ------------------------ Utility ------------------------ */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 1rem; }
.mb-0 { margin-bottom: 0; }

/* SVG diagram baseline */
.diagram { width: 100%; height: auto; max-width: 640px; margin: 1rem auto; display: block; }

/* ==================================================================
   Simulated Exam Engine (kap 16 · prov)
   Egen, allvarligare visuell ton än vanliga quiz.
   ================================================================== */

.article-exam { max-width: 900px; }

.exam-container {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--nav-white);
  border: 1px solid var(--nav-line);
  border-radius: var(--nav-radius);
  box-shadow: var(--nav-shadow);
}

/* ---- Intro ---- */
.exam-intro h2 { margin-top: 0; }
.exam-intro .lead {
  font-size: 1.05rem;
  color: var(--nav-ink-soft);
  margin-bottom: 1.5rem;
}
.exam-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin: 1.5rem 0;
}
@media (max-width: 640px) {
  .exam-facts { grid-template-columns: repeat(2, 1fr); }
}
.exam-facts > div {
  background: var(--nav-sand-2);
  padding: 0.9rem;
  border-radius: 10px;
  text-align: center;
}
.exam-facts .k {
  font-size: 0.75rem;
  color: var(--nav-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.exam-facts .v {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--nav-deep);
  margin-top: 0.15rem;
}

.exam-rules { margin-top: 1.5rem; }
.exam-rules ul { margin-left: 1rem; }
.exam-rules li { margin: 0.25rem 0; }

.btn.exam-start {
  display: block;
  width: 100%;
  padding: 1rem;
  margin-top: 1.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  background: var(--nav-deep);
  color: var(--nav-button-text);
  border: none;
  border-radius: 10px;
  cursor: pointer;
}
.btn.exam-start:hover { background: var(--nav-deep-hover); }

.exam-history { margin-top: 2rem; }
.exam-history-open {
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  padding: 0.4rem 0;
  cursor: pointer;
}
.exam-history-open span { text-decoration: underline; font-weight: 600; }
.exam-history-open:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }

.exam-history table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.exam-history th, .exam-history td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--nav-line);
}
.exam-history tr.pass td { color: var(--nav-success); }
.exam-history tr.fail td { color: var(--nav-danger); }

/* ---- Running exam ---- */
.exam-run {
  color: var(--nav-ink);
}
.exam-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--nav-line);
  margin-bottom: 1.5rem;
}
.exam-progress-label {
  font-weight: 600;
  color: var(--nav-ink-soft);
}
.exam-timer {
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--nav-deep);
  background: var(--nav-sand-2);
  padding: 0.4rem 1rem;
  border-radius: 8px;
  min-width: 100px;
  text-align: center;
}
.exam-timer.warn { color: var(--nav-warning); }
.exam-timer.crit { color: var(--nav-danger); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: 0.5; } }

.exam-card {
  padding: 1.5rem;
  background: var(--nav-sand-2);
  border-radius: 10px;
  margin-bottom: 1.5rem;
}
.exam-subject {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--nav-turquoise);
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.exam-question {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--nav-ink);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}
.exam-answers {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.exam-answer {
  padding: 0.85rem 1rem;
  border: 2px solid var(--nav-line);
  border-radius: 8px;
  background: var(--nav-white);
  color: var(--nav-ink);
  text-align: left;
  cursor: pointer;
  font-size: 0.98rem;
  transition: border-color 0.15s, background 0.15s;
}
.exam-answer:hover { border-color: var(--nav-turquoise); }
.exam-answer.selected {
  border-color: var(--nav-deep);
  background: var(--nav-deep);
  color: var(--nav-button-text);
  font-weight: 600;
}
.exam-flag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--nav-ink-soft);
  font-size: 0.9rem;
  cursor: pointer;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--nav-line);
}

.exam-nav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.exam-nav .btn { flex: 1; min-width: 140px; }
.exam-nav .btn.submit {
  background: #17663e;
  color: #fff;
  border-color: #17663e;
}

.exam-nav .btn.submit:hover:not(:disabled) { background: #10502f; color: #fff; }

.exam-nav .btn.submit:disabled {
  background: var(--nav-line);
  border-color: var(--nav-line);
  color: var(--nav-ink-soft);
  opacity: 1;
  cursor: not-allowed;
  transform: none;
}
.exam-submit-requirement {
  margin: -0.75rem 0 1.5rem;
  color: var(--nav-ink-soft);
  font-size: 0.9rem;
}

/* ---- Question palette ---- */
.exam-palette {
  padding: 1rem;
  background: var(--nav-white);
  border: 1px solid var(--nav-line);
  border-radius: 8px;
  margin-top: 1rem;
}
.exam-palette-title {
  font-size: 0.85rem;
  color: var(--nav-ink-soft);
  margin-bottom: 0.75rem;
}
.exam-palette-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
  gap: 0.35rem;
}
.exam-palette-btn {
  padding: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--nav-line);
  border-radius: 4px;
  background: var(--nav-white);
  color: var(--nav-ink-soft);
  cursor: pointer;
}
.exam-palette-btn:hover { border-color: var(--nav-turquoise); }
.exam-palette-btn.current {
  outline: 2px solid var(--nav-deep);
  outline-offset: 1px;
}
.exam-palette-btn.answered {
  background: var(--nav-deep);
  color: var(--nav-button-text);
  border-color: var(--nav-deep);
}
.exam-palette-btn.flagged {
  background: var(--nav-warning);
  color: #0f1720;
  border-color: var(--nav-warning);
}
.exam-palette-btn.answered.flagged {
  background: var(--nav-deep);
  color: var(--nav-button-text);
  border: 3px solid var(--nav-warning);
}
.exam-palette-legend {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--nav-ink-soft);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.exam-palette-legend .dot {
  display: inline-block;
  width: 14px; height: 14px;
  border-radius: 3px;
  vertical-align: middle;
}
.exam-palette-legend .dot.answered { background: var(--nav-deep); }
.exam-palette-legend .dot.flagged  { background: var(--nav-warning); }
.exam-palette-legend .count { margin-left: auto; }

/* ---- Result ---- */
.exam-result { color: var(--nav-ink); }
.exam-result.pass { }
.exam-result.fail { }
.exam-score-hero {
  text-align: center;
  padding: 2rem 1rem;
  background: var(--nav-sand-2);
  border-radius: 12px;
  margin-bottom: 1.5rem;
}
.exam-result.pass .exam-score-hero { background: rgba(40, 167, 107, 0.10); }
.exam-result.fail .exam-score-hero { background: rgba(217, 83, 79, 0.10); }

.score-big {
  font-size: 4rem;
  font-weight: 800;
  color: var(--nav-deep);
  line-height: 1;
}
.exam-result.pass .score-big { color: var(--nav-success); }
.exam-result.fail .score-big { color: var(--nav-danger); }
.score-detail { font-size: 1.1rem; color: var(--nav-ink-soft); }
.score-verdict {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0.75rem 0 0.25rem;
}
.score-time {
  color: var(--nav-ink-soft);
  font-size: 0.92rem;
}

.exam-per-subject {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.exam-per-subject th, .exam-per-subject td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--nav-line);
}
.exam-per-subject th {
  background: var(--nav-sand-2);
  font-weight: 700;
}
.exam-per-subject tr.ok td { color: var(--nav-success); }
.exam-per-subject tr.warn td { color: var(--nav-warning); }

.exam-wrong { list-style: decimal; margin-left: 1.4rem; }
.exam-wrong li {
  padding: 0.9rem 0.75rem;
  margin: 0.5rem 0;
  background: var(--nav-white);
  border: 1px solid var(--nav-line);
  border-left: 4px solid var(--nav-danger);
  border-radius: 6px;
}
.exam-wrong .ex-q { font-weight: 600; margin-bottom: 0.35rem; }
.exam-wrong .ex-tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nav-turquoise);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.exam-wrong .ex-line { font-size: 0.94rem; margin: 0.2rem 0; }
.exam-wrong .ex-chose { color: var(--nav-danger); }
.exam-wrong .ex-right { color: var(--nav-success); }
.exam-wrong .ex-why {
  font-size: 0.9rem;
  color: var(--nav-ink-soft);
  font-style: italic;
  margin-top: 0.35rem;
  padding-top: 0.35rem;
  border-top: 1px dashed var(--nav-line);
}

.exam-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* Physical permit example, shared by the home page and guide chapters. */
.permit-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 2rem;
  align-items: center;
  padding: clamp(1rem, 3vw, 2rem);
  margin-bottom: 2.5rem;
  border: 1px solid var(--nav-line);
  border-radius: var(--nav-radius);
  background: var(--nav-sand-2);
}
.permit-feature h2 { margin-top: 0; }
.permit-feature p:last-child { margin-bottom: 0; }
.permit-example { max-width: 640px; margin: 0; }
.permit-example img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--nav-radius);
  box-shadow: var(--nav-shadow);
}
.permit-example figcaption {
  margin-top: .65rem;
  font-size: .85rem;
  color: var(--nav-ink-soft);
  line-height: 1.6;
}
.permit-example a:focus-visible { outline: 3px solid var(--nav-deep); outline-offset: 4px; }
@media (max-width: 700px) {
  .permit-feature { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
}

/* Visible chapter hierarchy; links work without JavaScript. */
.breadcrumbs { font-size: 0.85rem; color: var(--nav-ink-soft); margin: 0 0 1rem; line-height: 1.6; }
.breadcrumbs [aria-hidden] { margin: 0 0.35rem; }

/* Mobile navigation and reading layout, visually checked at 320–844 px. */
.chapter-nav-toggle { display: none; }
.hero .cta + .cta { margin-left: .75rem; }
.brand svg { flex-shrink: 0; }
:where(h1, h2, h3, [id]) { scroll-margin-top: 5.5rem; }
@media (max-width: 900px) {
  .site-header .wrap { gap: .5rem; }
  .brand { min-width: 0; font-size: clamp(.95rem, 4.4vw, 1.1rem); gap: .4rem; }
  .mobile-toggle, .theme-toggle { min-width: 44px; min-height: 44px; flex-shrink: 0; align-items: center; justify-content: center; }
  .top-links.open {
    gap: .25rem;
    max-height: calc(100dvh - var(--menu-top, 80px));
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: .5rem 1rem;
  }
  .top-links a { display: flex; min-height: 44px; align-items: center; justify-content: center; width: 100%; overflow-wrap: anywhere; }
  .top-links .theme-toggle { margin: .25rem auto; }
  .reader { gap: 1.25rem; padding-top: 1rem; }
  .chapter-nav-toggle {
    display: flex; width: 100%; align-items: center; justify-content: space-between;
    gap: .75rem; min-height: 48px; padding: .75rem 1rem;
    background: var(--nav-sand-2); color: var(--nav-deep);
    border: 1px solid var(--nav-line); border-radius: 8px;
    font: inherit; font-weight: 600; cursor: pointer; text-align: left;
  }
  .chapter-nav-toggle::after { content: '+'; font-size: 1.4rem; }
  .chapter-nav-toggle[aria-expanded="true"]::after { content: '−'; }
  .chapter-nav-content { display: none; padding: 1rem 0; }
  .reader-side.is-open .chapter-nav-content { display: block; }
  .reader-side { padding-bottom: 1rem; }
  .reader-side ol li a { min-height: 44px; align-items: center; }
}
@media (max-width: 768px) {
  .hero .cta + .cta { margin-left: auto; margin-right: auto; }
}
@media (max-width: 480px) {
  .pager { flex-direction: column; }
  .pager a { max-width: none; width: 100%; }
  .pager .title { white-space: normal; overflow: visible; }
  .pager .prev.empty, .pager .next.empty { display: none; }
  .quiz, .exam-container { padding: 1rem; }
  .quiz-actions { flex-wrap: wrap; }
  .quiz-actions .btn { flex: 1; }
  .callout { padding: 1rem; }
}

html.dark .disclaimer-banner { color: #e5d4af; }
html.dark .disclaimer-banner strong { color: #f4e4bc; }
html.dark .site-footer { background: #123450; }
html.dark .exam-answer.selected,
html.dark .exam-palette-btn.answered { color: #0f1720; }
html.dark .callout.warning h2, html.dark .callout.warning h3, html.dark .callout.warning h4 { color: #f2bd75; }
html.dark .quiz-feedback.correct { color: #7ddcad; }
html.dark .quiz-feedback.wrong { color: #ffaaa7; }
@media (max-width: 480px) {
  .exam-card { padding: 1rem; }
  .exam-topbar { gap: .5rem; flex-wrap: wrap; }
  .exam-wrong { padding-left: 1rem; margin-left: 0; }
  .exam-score-hero { padding: 1.5rem .5rem; }
  .key-facts { grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr)); }
}
.exam-palette-grid { grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)); }
.exam-palette-btn { min-height: 44px; }
@media (max-width: 480px) {
  .exam-per-subject { display: table !important; table-layout: fixed; }
  .exam-per-subject th, .exam-per-subject td { padding: .6rem .3rem; overflow-wrap: anywhere; }
  .exam-per-subject th:first-child { width: 52%; }
  .exam-per-subject th:nth-child(2) { width: 20%; }
  .exam-per-subject th:nth-child(3) { width: 28%; }
  .exam-history table, .exam-history tbody { display: block; }
  .exam-history thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .exam-history tbody tr {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    margin: .75rem 0; padding: .5rem; border: 1px solid var(--nav-line); border-radius: 8px;
  }
  .exam-history td { display: block; min-width: 0; padding: .5rem; overflow-wrap: anywhere; }
  .exam-history td:first-child { grid-column: 1 / -1; }
  .exam-history td::before { display: block; color: var(--nav-ink-soft); font-size: .75rem; font-weight: 600; }
  .exam-history td:nth-child(1)::before { content: 'Datum'; }
  .exam-history td:nth-child(2)::before { content: 'Poäng'; }
  .exam-history td:nth-child(3)::before { content: 'Procent'; }
  .exam-history td:nth-child(4)::before { content: 'Resultat'; }
  .exam-history td:nth-child(5)::before { content: 'Tid'; }
  .exam-history-open { min-height: 44px; }
}

/* Synthetic voice disclosure and short, accessible listening sample. */
.voice-info {
  margin: 2rem 0;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--nav-line);
  border-radius: 12px;
  background: var(--nav-white);
}
.voice-info h2 { margin-top: 0; }
.voice-sample { margin: 1.25rem 0 0; }
.voice-sample figcaption { margin-bottom: .75rem; font-weight: 600; }
.voice-sample audio { display: block; width: 100%; max-width: 32rem; margin-bottom: .75rem; }
.voice-sample summary { cursor: pointer; padding: .65rem 0; }
.voice-disclosure { font-size: .95rem; line-height: 1.6; }
.ap-inline .voice-disclosure { margin: 0 0 1rem; }

/* Passing practice-exam result sharing. */
.exam-share { margin: 1.75rem 0 2rem; padding: clamp(1rem, 3vw, 1.75rem); border: 1px solid var(--nav-line); border-radius: 18px; background: var(--nav-white); }
.exam-share h3 { margin-top: 0; }
.exam-share-preview { display: block; margin: 1.25rem 0; border-radius: 12px; overflow: hidden; }
.exam-share-preview img { display: block; width: 100%; height: auto; }
.exam-share-buttons { display: flex; flex-wrap: wrap; gap: .65rem; }
.exam-share-buttons .btn { min-height: 44px; margin: 0; text-align: center; }
.exam-share-buttons [hidden] { display: none; }
.exam-share-help { color: var(--nav-ink-soft); font-size: .9rem; }
.exam-share-status { font-weight: 600; }
.exam-share-status:empty { display: none; }
.exam-share-link { display: block; font-size: .9rem; font-weight: 600; }
.exam-share-link input { display: block; width: 100%; min-width: 0; margin-top: .35rem; padding: .75rem; border: 1px solid var(--nav-line); border-radius: 8px; font: inherit; font-size: 16px; color: var(--nav-ink); background: var(--nav-white); }
.exam-share :is(a, button, input):focus-visible { outline: 3px solid var(--nav-deep); outline-offset: 3px; }
@media (max-width: 480px) { .exam-share-buttons .btn { flex: 1 1 calc(50% - .65rem); padding: .65rem .75rem; } }

/* Visible keyboard focus on every button family, including linked actions. */
:where(button, [role="button"], .btn, .konto-btn, .cta, .sales-button):focus-visible {
  outline: 3px solid var(--nav-deep);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px var(--nav-white);
}