/* Phase 8B — student toolkit (checklist, formulekaart, glossary, examenblad). */

.toolkit-block {
  margin: 1.75rem 0;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  content-visibility: auto;
  contain-intrinsic-size: auto 12rem;
}

.toolkit-block > h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  letter-spacing: -0.02em;
}

.toolkit-lede {
  margin: 0 0 1rem;
  max-width: 68ch;
  color: var(--text-2);
  font-size: var(--fs-sm, 0.9375rem);
}

.toolkit-niveau {
  margin: 0 0 1.25rem;
}

.toolkit-niveau > h3 {
  margin: 0 0 0.35rem;
  font-size: var(--fs-h3, 1.125rem);
  font-weight: 600;
}

.toolkit-checklist {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toolkit-checklist label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  min-height: 44px;
  padding: 0.35rem 0;
  cursor: pointer;
}

.toolkit-checklist input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
  accent-color: var(--accent);
}

.formulekaart {
  margin: 1.75rem 0;
  padding: 1.25rem 1.25rem 1.35rem;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--r-md, 18px);
  content-visibility: auto;
  contain-intrinsic-size: auto 10rem;
}

.formulekaart > h2 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  letter-spacing: -0.02em;
}

.formulekaart-print-hint {
  margin: 0 0 1rem;
  color: var(--text-2);
  font-size: var(--fs-sm, 0.9375rem);
}

.formulekaart-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.formulekaart-list li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--line-2);
}

.formulekaart-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.formulekaart-list .fk-label {
  font-size: var(--fs-sm, 0.9375rem);
  color: var(--text-2);
}

.formulekaart-list math {
  font-size: 1.05em;
}

/* /formules/: the link to the topic page sits under the formula, quieter than it */
.formulekaart-list .fk-link {
  font-size: var(--fs-sm, 0.9375rem);
}

.glossary-hint {
  margin: 0.75rem 0;
  padding: 0.5rem 0.75rem;
  border-left: 2px solid var(--accent);
  background: var(--bg-2);
  border-radius: 0 var(--r-sm, 10px) var(--r-sm, 10px) 0;
}

.glossary-hint > summary {
  cursor: pointer;
  font-weight: 600;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.glossary-hint > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.glossary-hint[open] > summary {
  margin-bottom: 0.35rem;
}

.glossary-hint p {
  margin: 0;
  max-width: 68ch;
  color: var(--text-2);
  font-size: var(--fs-sm, 0.9375rem);
}

.examenblad-linkout {
  margin: 1.5rem 0 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm, 10px);
  max-width: 68ch;
  font-size: var(--fs-sm, 0.9375rem);
  color: var(--text-2);
}

.examenblad-linkout a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

@media print {
  .site-header,
  .site-footer,
  .skip-link,
  .nav-bar,
  .theme-toggle,
  #practice-root,
  #video,
  .examenblad-linkout,
  .formulekaart-print-hint {
    display: none !important;
  }

  .formulekaart,
  .toolkit-block {
    break-inside: avoid;
    border: 1px solid #333;
    background: #fff;
    color: #000;
    box-shadow: none;
  }

  .formulekaart {
    page-break-before: auto;
  }

  .toolkit-checklist input[type="checkbox"] {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}