/* Info-Material Reader Modal (Ausbildung) */
.pdf-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
}

.pdf-modal[hidden] {
  display: none;
}

.pdf-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
}

.pdf-modal__dialog {
  position: relative;
  width: 100%;
  max-width: min(96vw, 64rem);
  height: 96vh;
  max-height: 96vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.2);
  animation: pdf-modal-in 0.35s var(--ease-calm);
}

@keyframes pdf-modal-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.pdf-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-shrink: 0;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--linen);
}

.pdf-modal__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--text-heading);
  margin: 0;
  line-height: 1.2;
  flex: 1;
  min-width: 0;
}

.pdf-modal__toolbar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.pdf-modal__toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.pdf-modal__action-btn {
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--linen);
  border-radius: 2px;
  background: transparent;
  color: var(--anthracite-muted);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  text-decoration: none;
  flex-shrink: 0;
}

.pdf-modal__action-btn:hover {
  border-color: rgba(90, 99, 72, 0.35);
  color: var(--text-body);
}

.pdf-modal__action-btn svg {
  width: 1rem;
  height: 1rem;
}

.pdf-modal__action-btn[hidden] {
  display: none;
}

.pdf-modal__font-btn {
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--linen);
  border-radius: 2px;
  background: transparent;
  color: var(--anthracite-muted);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.pdf-modal__font-btn:hover {
  border-color: rgba(90, 99, 72, 0.35);
  color: var(--text-body);
}

.pdf-modal__font-btn.is-active {
  border-color: var(--olive);
  background: rgba(90, 99, 72, 0.08);
  color: var(--text-body);
}

.pdf-modal__close {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--linen);
  border-radius: 2px;
  background: transparent;
  color: var(--anthracite-muted);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.pdf-modal__close:hover {
  border-color: rgba(90, 99, 72, 0.35);
  color: var(--text-body);
}

.pdf-modal__close svg {
  width: 1.125rem;
  height: 1.125rem;
}

.pdf-modal__body {
  flex: 1;
  min-height: 0;
  background: #f8fafc;
}

.pdf-modal__content {
  height: 100%;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 1.5rem 1.75rem 2rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-body);
}

.pdf-modal__content--md { font-size: 1rem; }
.pdf-modal__content--lg { font-size: 1.125rem; }
.pdf-modal__content--xl { font-size: 1.25rem; }
.pdf-modal__content--xxl { font-size: 1.4375rem; }

.pdf-modal__loading,
.pdf-modal__error {
  text-align: center;
  color: var(--anthracite-muted);
  padding: 3rem 1rem;
}

/* Reader article typography */
.reader-article h1,
.reader-article h2,
.reader-article h3 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.2;
  color: var(--text-heading);
}

.reader-article h1 {
  font-size: 1.65em;
  margin: 0 0 0.75rem;
}

.reader-article h2 {
  font-size: 1.35em;
  margin: 2rem 0 0.75rem;
  scroll-margin-top: 1rem;
}

.reader-article h3 {
  font-size: 1.1em;
  margin: 1.5rem 0 0.5rem;
}

.reader-article p,
.reader-article ul,
.reader-article ol,
.reader-article blockquote {
  margin: 0 0 1rem;
}

.reader-article ul,
.reader-article ol {
  padding-left: 1.35rem;
}

.reader-article li {
  margin-bottom: 0.35rem;
}

.reader-article blockquote {
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--olive);
  background: rgba(90, 99, 72, 0.06);
  font-style: italic;
  color: var(--anthracite-muted);
}

.reader-article a {
  color: var(--olive);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.reader-article a:hover {
  color: var(--text-body);
}

.reader-article__hero {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--linen);
}

.reader-article__kicker {
  font-size: 0.85em;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 0.5rem;
}

.reader-article__lead {
  font-size: 1.05em;
  color: var(--anthracite-muted);
}

.reader-article__facts {
  display: grid;
  gap: 0.75rem;
  margin: 1.25rem 0 0;
  padding: 1rem 1.25rem;
  background: #fff;
  border: 1px solid var(--linen);
  border-radius: 2px;
}

.reader-article__facts div {
  display: grid;
  grid-template-columns: minmax(0, 12rem) minmax(0, 1fr);
  gap: 0.35rem 1rem;
  align-items: start;
}

.reader-article__facts dt {
  font-weight: 600;
  font-size: 0.9em;
  color: var(--anthracite-muted);
}

.reader-article__facts dd {
  margin: 0;
}

.reader-article__contact {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--linen);
}

/* Inhaltsverzeichnis */
.reader-toc {
  margin: 0 0 2rem;
}

.reader-toc__details {
  border: 1px solid var(--linen);
  border-radius: 2px;
  background: #fff;
}

.reader-toc__summary {
  padding: 0.875rem 1rem;
  font-family: var(--font-heading);
  font-size: 1.05em;
  font-weight: 500;
  color: var(--text-body);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.reader-toc__summary::-webkit-details-marker {
  display: none;
}

.reader-toc__summary::before {
  content: "▾";
  display: inline-block;
  margin-right: 0.5rem;
  color: var(--olive);
  transition: transform 0.2s;
}

.reader-toc__details:not([open]) .reader-toc__summary::before {
  transform: rotate(-90deg);
}

.reader-toc__list {
  margin: 0;
  padding: 0 1rem 1rem 2.25rem;
  display: grid;
  gap: 0.35rem;
}

.reader-toc__link {
  color: var(--anthracite-muted);
  text-decoration: none;
  line-height: 1.45;
  transition: color 0.2s;
}

.reader-toc__link:hover,
.reader-toc__link.is-active {
  color: var(--text-body);
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (max-width: 640px) {
  .pdf-modal {
    padding: 0.25rem;
  }

  .pdf-modal__dialog {
    max-width: 100%;
    height: 98vh;
    max-height: 98vh;
    border-radius: 2px;
  }

  .pdf-modal__header {
    flex-wrap: wrap;
    padding: 0.875rem 1rem;
  }

  .pdf-modal__title {
    order: 1;
    width: 100%;
    font-size: 1.125rem;
  }

  .pdf-modal__toolbar {
    order: 2;
    flex-wrap: wrap;
  }

  .pdf-modal__close {
    order: 3;
    margin-left: auto;
  }

  .pdf-modal__content {
    padding: 1.25rem 1.25rem 1.75rem;
  }

  .reader-article__facts div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}

.pdf-modal__content--lg .reader-article__facts div,
.pdf-modal__content--xl .reader-article__facts div,
.pdf-modal__content--xxl .reader-article__facts div {
  grid-template-columns: 1fr;
  gap: 0.15rem;
}

@media (min-width: 1200px) {
  .pdf-modal {
    padding: 1rem 1.5rem;
  }

  .pdf-modal__dialog {
    max-width: min(92vw, 72rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pdf-modal__dialog {
    animation: none;
  }
}

html[data-a11y-scheme="dark"] .pdf-modal__dialog {
  background: var(--surface-elevated);
  color: var(--text-body);
}

html[data-a11y-scheme="dark"] .pdf-modal__body {
  background: var(--surface-page);
}

html[data-a11y-scheme="dark"] .pdf-modal__header {
  border-bottom-color: var(--surface-border);
}

html[data-a11y-scheme="dark"] .pdf-modal__action-btn,
html[data-a11y-scheme="dark"] .pdf-modal__font-btn,
html[data-a11y-scheme="dark"] .pdf-modal__close {
  border-color: var(--surface-border);
  color: var(--text-body);
}

html[data-a11y-scheme="dark"] .pdf-modal__font-btn.is-active {
  border-color: var(--accent);
  background: var(--surface-accent-soft);
  color: var(--text-heading);
}

html[data-a11y-scheme="dark"] .reader-article__facts,
html[data-a11y-scheme="dark"] .reader-toc__details {
  background: var(--surface-elevated);
  border-color: var(--surface-border);
}