/* Grundopsætning */
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: #f4f4f9;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: #222;
}

/* Header */
header {
  background: #2c3e50;
  color: white;
  padding: 1.25rem 1rem;
  text-align: center;
}
header h1 { color: white; margin: 0.2rem 0 0.4rem; }
header p { margin: 0; opacity: 0.9; }

/* Container med grid-layout til forsider */
.container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

/* Cards */
.card {
  background: white;
  padding: 1rem 1.5rem;
  border-radius: 0.7rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
  color: inherit;
  border: 1px solid rgba(0,0,0,0.06);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
}
.card h2 { margin-top: 0; font-size: 1.3rem; }

/* Cards med type */
.card.warning { border-left: 6px solid #d9534f; background-color: #fff5f5; }
.card.note { border-left: 6px solid #5bc0de; background-color: #f0faff; }

/* Footer */
footer {
  text-align: center;
  font-size: 0.9rem;
  padding: 1rem;
  color: #777;
}

/* Indholdssider */
main { max-width: 800px; margin: 2rem auto; padding: 1rem; }
section { margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid #ddd; }
h1, h2, h3 { color: #2c3e50; }

/* Links */
a { color: #0055cc; text-decoration: none; }
a:hover { text-decoration: underline; }

/* Kodeblokke */
pre { background: #0f172a; color: #e5e7eb; padding: 1rem; border-radius: 0.5rem; overflow:auto; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; }

/* Fold-ud sektioner */
details { margin: 1rem 0; background: #ffffff; border: 1px solid #ccc; border-radius: 0.4rem; padding: 0.5rem 1rem; }
details summary { font-weight: bold; cursor: pointer; }

/* MathJax centrering – hvis du får brug for det */
mjx-container[display="block"] { display: block; text-align: center; margin: 1rem 0; }
mjx-container[display="inline"] { display: inline; margin: 0; }