/* =============================================================
   LKCMC E-LEARNING — Globalt stylesheet
   ============================================================= */

:root {
  --blue-dark:   #0B4F6C;
  --blue-mid:    #1a6a8a;
  --blue-light:  #E8F4F8;
  --blue-accent: #2196b5;
  --text-dark:   #1a1a2e;
  --text-muted:  #555;
  --border:      #dde4ea;
  --bg:          #f7f9fb;
  --white:       #ffffff;
  --success:     #2e7d32;
  --font:        -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--text-dark);
  background: var(--bg);
  line-height: 1.6;
}

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


/* -------------------------------------------------------------
   FÆLLES KOMPONENTER
   ------------------------------------------------------------- */

.lkcmc-header {
  background: var(--blue-dark);
  color: var(--white);
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lkcmc-header .logo {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.9;
}

.lkcmc-header .course-title {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  border-left: 1px solid rgba(255,255,255,0.3);
  padding-left: 1rem;
}

.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  padding: 0.75rem 2rem;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--blue-dark); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--text-dark); font-weight: 500; }

.loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
  font-size: 15px;
}

.error-msg {
  background: #fdecea;
  border: 1px solid #f5a9a3;
  border-radius: 6px;
  padding: 1rem 1.5rem;
  color: #b71c1c;
  margin: 2rem;
  font-size: 14px;
}


/* -------------------------------------------------------------
   INDEX — Navigation layout
   ------------------------------------------------------------- */

.nav-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: calc(100vh - 56px);
}

.nav-sidebar {
  background: var(--white);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 1.5rem 0;
}

.nav-sidebar h3 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0.5rem 1.5rem;
  margin-bottom: 0.25rem;
}

.course-item {
  padding: 0.6rem 1.5rem;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-dark);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}
.course-item:hover, .course-item.active {
  background: var(--blue-light);
  border-left-color: var(--blue-dark);
}

.lesson-item {
  padding: 0.5rem 1.5rem 0.5rem 2rem;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dark);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}
.lesson-item:hover, .lesson-item.active {
  background: var(--blue-light);
  border-left-color: var(--blue-accent);
}

.topic-item {
  padding: 0.4rem 1.5rem 0.4rem 2.75rem;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}
.topic-item:hover {
  color: var(--text-dark);
  background: var(--blue-light);
  border-left-color: transparent;
}
.topic-item a {
  color: inherit;
  display: block;
}

.nav-main {
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.welcome-box {
  max-width: 520px;
  text-align: center;
}
.welcome-box h1 {
  font-size: 24px;
  color: var(--blue-dark);
  margin-bottom: 0.75rem;
}
.welcome-box p {
  color: var(--text-muted);
  font-size: 15px;
}


/* -------------------------------------------------------------
   TOPIC VIEWER
   ------------------------------------------------------------- */

.topic-layout {
  max-width: 820px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
}

.topic-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.topic-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Markdown-indhold */
.topic-content {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dark);
  margin-bottom: 2rem;
}

.topic-content h2 {
  font-size: 19px;
  font-weight: 700;
  color: var(--blue-dark);
  margin: 1.75rem 0 0.6rem;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--blue-light);
}

.topic-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--blue-dark);
  margin: 1.25rem 0 0.4rem;
}

.topic-content p { margin-bottom: 0.9rem; }

.topic-content ul, .topic-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.topic-content li { margin-bottom: 0.4rem; }

.topic-content strong { font-weight: 600; }

.topic-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 1.25rem 0;
}
.topic-content th {
  background: var(--blue-dark);
  color: var(--white);
  padding: 9px 12px;
  text-align: left;
  font-weight: 600;
}
.topic-content td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
.topic-content tr:nth-child(even) td { background: var(--blue-light); }

/* Extra tekst — klinisk note */
.extra-text-box {
  background: var(--blue-light);
  border-left: 4px solid var(--blue-dark);
  border-radius: 0 8px 8px 0;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0 2rem;
  font-size: 14px;
  color: var(--text-dark);
}
.extra-text-box .label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--blue-dark);
  margin-bottom: 0.4rem;
}

/* Media */
.media-section { margin: 2rem 0; }
.media-section h3 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.media-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
}
.media-item img {
  width: 100%;
  display: block;
  max-height: 220px;
  object-fit: cover;
}
.media-item video {
  width: 100%;
  display: block;
}
.media-item .caption {
  padding: 0.6rem 0.75rem;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}
.media-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  border-radius: 3px;
  margin-right: 6px;
  background: var(--blue-dark);
  color: var(--white);
}

/* Navigation prev/next */
.topic-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--blue-dark);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}
.nav-btn:hover {
  background: var(--blue-light);
  border-color: var(--blue-dark);
  text-decoration: none;
}
.nav-btn.primary {
  background: var(--blue-dark);
  color: var(--white);
  border-color: var(--blue-dark);
}
.nav-btn.primary:hover { background: var(--blue-mid); }
.nav-btn:disabled, .nav-btn.disabled {
  opacity: 0.35;
  pointer-events: none;
}

/* Responsiv */
@media (max-width: 700px) {
  .nav-layout { grid-template-columns: 1fr; }
  .nav-sidebar { border-right: none; border-bottom: 1px solid var(--border); }
  .topic-layout { padding: 1.25rem 1rem 3rem; }
  .topic-title { font-size: 21px; }
  .media-grid { grid-template-columns: 1fr; }
}