/* ---- PDF viewer modal ----
 *
 * Full-screen in-page viewer for the poster PDFs, driven by pdf-modal.js. Split
 * out of each site's index.css because all five carried a byte-identical copy.
 */

.pdf-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.pdf-overlay.active {
  display: flex;
  flex-direction: column;
}

.pdf-overlay.show {
  opacity: 1;
}

.pdf-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg);
  /* Was #e5e5e5 — 1.26:1 against the white toolbar, invisible. */
  border-bottom: 1px solid var(--border);
  color: var(--text-heading);
  flex-shrink: 0;
  position: relative;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
}

.pdf-toolbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 1;
  min-width: 0;
  z-index: 1;
}

.pdf-logo-close {
  color: var(--text-hover);
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: opacity 0.2s;
  flex-shrink: 0;
}

.pdf-logo-close:hover {
  opacity: 0.7;
}

.pdf-logo-close .logo-desktop {
  display: inline-flex;
}

.pdf-logo-close .logo-mobile {
  display: none;
}

.pdf-title {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-heading);
}

.pdf-toolbar-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.pdf-toolbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 6px;
  /* Was #dbdbdb — 1.38:1 against the toolbar, so these buttons had no perceivable
     boundary at all; WCAG 1.4.11 wants 3:1 for a control edge. */
  border: 1px solid var(--border);
  background: var(--bg-code);
  color: var(--text-quiet);
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  /* Only the three properties the :hover rule below actually changes. */
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
  text-decoration: none;
}

.pdf-toolbar-btn:hover {
  background: var(--bg);
  border-color: var(--border-hover);
  color: var(--text-hover);
}

.pdf-toolbar-btn.close-btn {
  border: none;
  background: none;
  font-size: 22px;
  padding: 4px 8px;
  line-height: 1;
  color: var(--text-quiet);
}

.pdf-toolbar-btn.close-btn:hover {
  background: none;
  border-color: transparent;
  color: var(--text-hover);
}

.pdf-viewer-container {
  flex: 1;
  width: 100%;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--bg-code);
}

.pdf-viewer-frame {
  display: block;
  border: none;
  width: 100%;
  height: 100%;
}

/* Deliberately 640px rather than a Bulma breakpoint: this is the width at which
 * the toolbar's own contents stop fitting — the title plus both labelled buttons —
 * so it collapses to icon-only here, independent of the page layout breakpoints. */
@media screen and (max-width: 640px) {
  .pdf-toolbar {
    padding: 10px 14px;
  }

  .pdf-title {
    font-size: 13px;
    flex-grow: 1;
  }

  .pdf-toolbar-btn span.btn-label {
    display: none;
  }

  .pdf-toolbar-btn {
    padding: 7px 10px;
  }

  .pdf-logo-close .logo-desktop {
    display: none;
  }

  .pdf-logo-close .logo-mobile {
    display: inline-flex;
  }
}