/* Code Highlighting - highlight.js dark theme with LTR support */

/* ═══ hljs token colors (GitHub Dark Dimmed style) ═══ */
.hljs { color: #adbac7; background: transparent; }
.hljs-doctag,
.hljs-keyword,
.hljs-meta .hljs-keyword,
.hljs-template-tag,
.hljs-template-variable,
.hljs-type,
.hljs-variable.language_ { color: #f47067; }

.hljs-title,
.hljs-title.class_,
.hljs-title.class_.inherited__,
.hljs-title.function_ { color: #dcbdfb; }

.hljs-attr,
.hljs-attribute,
.hljs-literal,
.hljs-meta,
.hljs-number,
.hljs-operator,
.hljs-selector-attr,
.hljs-selector-class,
.hljs-selector-id,
.hljs-variable { color: #6cb6ff; }

.hljs-meta .hljs-string,
.hljs-regexp,
.hljs-string { color: #96d0ff; }

.hljs-built_in,
.hljs-symbol { color: #f69d50; }

.hljs-code,
.hljs-comment,
.hljs-formula { color: #768390; }

.hljs-name,
.hljs-quote,
.hljs-selector-pseudo,
.hljs-selector-tag { color: #8ddb8c; }

.hljs-subst { color: #adbac7; }

.hljs-section { color: #316dca; font-weight: 700; }

.hljs-bullet { color: #eac55f; }

.hljs-emphasis { color: #adbac7; font-style: italic; }

.hljs-strong { color: #adbac7; font-weight: 700; }

.hljs-addition { color: #b4f1b4; background-color: #1b4721; }
.hljs-deletion { color: #ffd8b3; background-color: #78191b; }

/* ═══ Code block container ═══ */
.preview-content pre {
  background: #1e293b !important;
  border: 1px solid #334155 !important;
  border-radius: 8px !important;
  padding: 0 !important;
  margin: 1em 0 !important;
  overflow-x: auto !important;
  direction: ltr !important;
  text-align: left !important;
  position: relative;
}

.preview-content pre code {
  font-family: 'Fira Code', 'Consolas', 'Monaco', 'Courier New', monospace !important;
  font-size: 13px !important;
  line-height: 1.6 !important;
  display: block !important;
  padding: 16px !important;
  overflow-x: auto !important;
}

/* ═══ Code header (language label + copy button) ═══ */
.code-block-wrapper {
  margin: 1em 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #334155;
}

.code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #0f172a;
  padding: 6px 12px;
  border-bottom: 1px solid #334155;
}

.code-block-lang {
  font-size: 11px;
  color: #64748b;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: 'Segoe UI', Tahoma, sans-serif;
}

.code-block-copy {
  background: none;
  border: 1px solid #334155;
  color: #64748b;
  cursor: pointer;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-family: 'Segoe UI', Tahoma, sans-serif;
  transition: all 0.2s;
}

.code-block-copy:hover {
  background: #1e293b;
  color: #e2e8f0;
  border-color: #475569;
}

.code-block-copy.copied {
  color: #4ade80;
  border-color: #4ade80;
}

/* ═══ Inline code ═══ */
.preview-content code:not(pre code) {
  background: #1e293b;
  color: #e2e8f0;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 0.88em;
  direction: ltr;
  unicode-bidi: embed;
  border: 1px solid #334155;
}

/* ═══ Scrollbar ═══ */
.preview-content pre::-webkit-scrollbar {
  height: 6px;
}
.preview-content pre::-webkit-scrollbar-track {
  background: #0f172a;
}
.preview-content pre::-webkit-scrollbar-thumb {
  background: #475569;
  border-radius: 3px;
}
.preview-content pre::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* ═══ PlantUML Diagrams ═══ */
.preview-content .plantuml-diagram {
  margin: 1em 0;
  border: 1px solid #334155;
  border-radius: 8px;
  overflow: hidden;
  background: #fafbfc;
  text-align: center;
  direction: ltr;
}
.preview-content .plantuml-header {
  background: #0f172a;
  padding: 6px 12px;
  display: flex;
  align-items: center;
}
.preview-content .plantuml-label {
  font-size: 11px;
  color: #64748b;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.preview-content .plantuml-diagram img {
  max-width: 100%;
  padding: 16px;
  display: block;
  margin: 0 auto;
}
.preview-content .plantuml-error {
  padding: 20px;
  color: #dc2626;
  text-align: center;
  background: #fef2f2;
}