/* Preview Markdown Styles */
#preview {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
}

#preview h1,
#preview h2,
#preview h3,
#preview h4,
#preview h5,
#preview h6 {
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 600;
  line-height: 1.25;
}

#preview h1 {
  font-size: 2em;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

#preview h2 {
  font-size: 1.5em;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

#preview h3 {
  font-size: 1.25em;
}

#preview h4 {
  font-size: 1em;
}

#preview h5 {
  font-size: 0.875em;
}

#preview h6 {
  font-size: 0.85em;
  color: var(--text-secondary);
}

#preview p {
  margin-bottom: 16px;
}

#preview a {
  color: var(--accent-color);
  text-decoration: none;
}

#preview a:hover {
  text-decoration: underline;
}

#preview ul,
#preview ol {
  margin-bottom: 16px;
  padding-left: 2em;
}

#preview li {
  margin-bottom: 4px;
}

#preview code {
  background-color: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Monaspace Neon', -apple-system, sans-serif;
  font-size: 0.9em;
}

#preview pre {
  background-color: var(--bg-secondary);
  padding: 16px;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 16px;
}

#preview pre code {
  background-color: transparent;
  padding: 0;
}

#preview blockquote {
  border-left: 4px solid var(--border-color);
  padding-left: 16px;
  margin: 16px 0;
  color: var(--text-secondary);
}

#preview table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 16px;
}

#preview table th,
#preview table td {
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  text-align: left;
}

#preview table th {
  background-color: var(--bg-secondary);
  font-weight: 600;
}

#preview img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 1rem 0;
  display: block;
}

/* Broken image placeholder */
#preview img.broken-image {
  /* Placeholder SVG handles all styling */
  width: 100%;
  border: none;
  padding: 0;
  background: transparent;
  display: block;
  max-width: 400px;
  height: auto;
}

#preview hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 24px 0;
}

/* Task lists */
#preview input[type="checkbox"] {
  margin-right: 8px;
}

/* Strikethrough */
#preview del {
  text-decoration: line-through;
  color: var(--text-secondary);
}

/* Image preview */
.image-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: 24px;
}

.image-preview img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.markdown-preview-content:has(.image-preview.zoomed) {
  max-width: none;
}

.image-preview.zoomed {
  display: block;
  padding: 0;
}

#preview .image-preview.zoomed img {
  max-width: none;
  max-height: none;
  width: auto;
  height: auto;
  object-fit: unset;
}

/* Wiki-style links */
#preview a.wiki-link {
  color: var(--wiki-link-color);
  background-color: var(--wiki-link-bg);
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

#preview a.wiki-link:hover {
  background-color: var(--wiki-link-bg-hover);
  text-decoration: none;
  transform: translateY(-1px);
}

#preview a.wiki-link.wiki-link-broken {
  color: var(--wiki-link-broken-color);
  background-color: var(--wiki-link-broken-bg);
}

#preview a.wiki-link.wiki-link-broken:hover {
  background-color: var(--wiki-link-broken-bg-hover);
}

/* ── Frontmatter Card ── */

.fm-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.fm-card-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.fm-card-icon {
  font-size: 1.6em;
  line-height: 1;
  background: var(--border-color);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  flex-shrink: 0;
}

.fm-card-title {
  font-size: 1.3em;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.fm-card-desc {
  color: var(--text-secondary);
  font-size: 0.9em;
  margin-top: 2px;
}

.fm-card-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 16px 0;
}

.fm-card-props {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px 24px;
}

.fm-card-prop {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fm-card-prop:has(.fm-image) {
  grid-column: 1 / -1;
}

.fm-card-key {
  font-size: 0.75em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.fm-card-val {
  font-size: 0.9em;
  color: var(--text-primary);
  word-break: break-word;
}

/* Pills (arrays) */
.fm-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.fm-pill {
  display: inline-block;
  background: var(--accent-color);
  color: #fff;
  font-size: 0.78em;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 999px;
  line-height: 1.5;
}

/* Badges (booleans / status) */
.fm-badge {
  display: inline-block;
  font-size: 0.78em;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  line-height: 1.5;
}

.fm-badge-ok {
  background: #dcfce7;
  color: #166534;
}

.fm-badge-warn {
  background: #fef9c3;
  color: #854d0e;
}

.fm-badge-muted {
  background: var(--border-color);
  color: var(--text-secondary);
}

/* Date values */
.fm-date {
  color: var(--text-secondary);
}

/* Monospace for path/slug */
.fm-mono {
  font-family: 'Monaspace Neon', ui-monospace, monospace;
  font-size: 0.88em;
  background: var(--border-color);
  padding: 1px 6px;
  border-radius: 4px;
}

/* Images inside card */
.fm-image {
  max-width: 100%;
  max-height: 200px;
  border-radius: 6px;
  object-fit: cover;
}

/* Links inside card */
.fm-link {
  color: var(--accent-color);
  word-break: break-all;
}

/* Empty value placeholder */
.fm-muted {
  color: var(--text-secondary);
}

/* ── CSV Preview ── */

.csv-preview {
  font-size: 14px;
}

.csv-info {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.csv-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 12px;
}

.csv-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
}

.csv-table th,
.csv-table td {
  padding: 6px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.csv-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  position: sticky;
  top: 0;
}

.csv-table tbody tr:hover {
  background: var(--bg-hover);
}

.csv-table tbody tr:last-child td {
  border-bottom: none;
}

/* ── JSON Preview ── */

.json-preview pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.5;
}

.json-preview code {
  font-family: 'Monaspace Neon', ui-monospace, monospace;
  background: transparent;
  padding: 0;
}

.json-key {
  color: #0550ae;
}

.json-string {
  color: #0a3069;
}

.json-number {
  color: #0550ae;
}

.json-bool {
  color: #cf222e;
}

.dark-theme .json-key {
  color: #79c0ff;
}

.dark-theme .json-string {
  color: #a5d6ff;
}

.dark-theme .json-number {
  color: #79c0ff;
}

.dark-theme .json-bool {
  color: #ff7b72;
}

/* ── Data Preview Error ── */

.data-preview-error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  padding: 16px;
  color: #dc2626;
  font-size: 14px;
}

.data-preview-error strong {
  display: block;
  margin-bottom: 4px;
}

.dark-theme .data-preview-error {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
}

/* ── Collapsible Headings ── */
/* Remove this entire section to disable collapsible headings */

#preview .collapsible-heading {
  position: relative;
}

#preview .heading-toggle {
  position: absolute;
  left: -1.6em;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2em;
  height: 1.2em;
  font-size: 0.55em;
  line-height: 1;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 3px;
  opacity: 0;
  transition: opacity 0.15s ease, background-color 0.15s ease;
  user-select: none;
  font-weight: normal;
}

#preview .collapsible-heading:hover .heading-toggle {
  opacity: 1;
}

#preview .collapsible-heading.collapsed .heading-toggle {
  opacity: 1;
  color: var(--accent-color);
}

#preview .heading-toggle:hover {
  background-color: var(--bg-hover, rgba(0, 0, 0, 0.05));
  color: var(--text-primary);
}

#preview .collapsible-heading.collapsed {
  opacity: 0.7;
}

#preview .heading-collapsed-content {
  display: none !important;
}

/* ── End Collapsible Headings ── */