/**
 * @create-markdown/preview - System Theme
 * CSS custom property theme that integrates with any design system.
 * Override --cm-* variables, or fall back to common --text / --bg / --border tokens.
 */

.cm-preview {
  font-family: var(--cm-font, inherit);
  font-size: var(--cm-font-size, 1rem);
  line-height: var(--cm-line-height, 1.6);
  color: var(--cm-text, var(--text, inherit));
  background: var(--cm-bg, var(--bg, transparent));
  max-width: 100%;
  overflow-wrap: break-word;
}

/* Headings */
.cm-heading {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  font-weight: var(--cm-heading-weight, 600);
  line-height: 1.25;
}

.cm-h1 {
  font-size: 2em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--cm-border, var(--border, currentColor));
}

.cm-h2 {
  font-size: 1.5em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--cm-border, var(--border, currentColor));
}

.cm-h3 { font-size: 1.25em; }
.cm-h4 { font-size: 1em; }
.cm-h5 { font-size: 0.875em; }
.cm-h6 { font-size: 0.85em; color: var(--cm-muted, var(--muted, #656d76)); }

/* Paragraphs */
.cm-paragraph {
  margin-top: 0;
  margin-bottom: 1em;
}

/* Lists */
.cm-bullet-list,
.cm-numbered-list {
  margin-top: 0;
  margin-bottom: 1em;
  padding-left: 2em;
}

.cm-bullet-list li,
.cm-numbered-list li {
  margin-bottom: 0.25em;
}

/* Checklist */
.cm-checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.25em;
}

.cm-checklist-item input[type="checkbox"] {
  margin-top: 0.25rem;
}

.cm-checked {
  text-decoration: line-through;
  color: var(--cm-muted, var(--muted, #656d76));
}

/* Code */
.cm-code-block {
  background: var(--cm-code-bg, var(--secondary, #f5f5f5));
  border: 1px solid var(--cm-border, var(--border, #ddd));
  border-radius: var(--cm-radius, 6px);
  padding: 1em;
  overflow-x: auto;
  margin-bottom: 1em;
  font-size: 0.875em;
}

.cm-code {
  font-family: var(--cm-mono, ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace);
  background: transparent;
  padding: 0;
  white-space: pre;
}

code {
  font-family: var(--cm-mono, ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace);
  font-size: 0.875em;
  background-color: var(--cm-inline-code-bg, var(--secondary, rgba(175, 184, 193, 0.2)));
  padding: 0.2em 0.4em;
  border-radius: var(--cm-radius, 6px);
}

/* Blockquote */
.cm-blockquote {
  margin: 0 0 1em 0;
  padding: 0 1em;
  color: var(--cm-muted, var(--muted, #656d76));
  border-left: 0.25em solid var(--cm-border, var(--border, #ddd));
}

/* Divider */
.cm-divider {
  height: 0.25em;
  padding: 0;
  margin: 1.5em 0;
  background-color: var(--cm-border, var(--border, #ddd));
  border: 0;
}

/* Table */
.cm-table {
  display: block;
  width: max-content;
  max-width: 100%;
  overflow: auto;
  border-spacing: 0;
  border-collapse: collapse;
  margin-bottom: 1em;
}

.cm-table th,
.cm-table td {
  padding: 6px 13px;
  border: 1px solid var(--cm-border, var(--border, #ddd));
}

.cm-table th {
  font-weight: 600;
  background-color: var(--cm-table-header-bg, var(--secondary, #f6f8fa));
}

.cm-table tr:nth-child(2n) {
  background-color: var(--cm-table-stripe-bg, var(--secondary, #f6f8fa));
}

/* Image */
.cm-image {
  margin: 0 0 1em 0;
}

.cm-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--cm-radius, 6px);
}

.cm-image figcaption {
  font-size: 0.875em;
  color: var(--cm-muted, var(--muted, #656d76));
  margin-top: 0.5em;
  text-align: center;
}

/* Callout */
.cm-callout {
  padding: 1em;
  margin-bottom: 1em;
  border-radius: var(--cm-radius, 6px);
  border-left: 4px solid;
  background-color: var(--cm-callout-bg, var(--secondary, #f6f8fa));
}

.cm-callout-title {
  display: block;
  text-transform: capitalize;
  font-weight: 600;
  margin-bottom: 0.5em;
}

.cm-callout-info { border-left-color: var(--cm-info, #0969da); }
.cm-callout-warning { border-left-color: var(--cm-warning, #d4a72c); }
.cm-callout-tip { border-left-color: var(--cm-success, #1a7f37); }
.cm-callout-danger { border-left-color: var(--cm-danger, #cf222e); }
.cm-callout-note { border-left-color: var(--cm-muted, var(--muted, #656d76)); }

/* Links */
.cm-preview a {
  color: var(--cm-link, var(--link, #0969da));
  text-decoration: none;
}

.cm-preview a:hover {
  text-decoration: underline;
}

/* Inline styles */
.cm-preview mark {
  background-color: var(--cm-highlight, #fff8c5);
  padding: 0.1em 0.2em;
  border-radius: 3px;
}

.cm-preview del {
  color: var(--cm-muted, var(--muted, #656d76));
}