/* ============================================================
   code.css
   Code highlighting and code block UI for Firefly Hexo theme
   ============================================================ */

/* Enforce monospace font stack on all code elements */
pre, code, 
.code-block-wrapper, 
.code-block-wrapper pre, 
.code-block-wrapper code, 
.hljs,
.hljs-ln, 
.hljs-ln td,
.hljs-ln-numbers, 
.hljs-ln-code, 
.hljs-ln-line,
figure.highlight,
figure.highlight pre,
figure.highlight code,
figure.highlight td {
  font-family: var(--font-mono) !important;
}

/* Hexo figure.highlight wrapper */
figure.highlight {
  margin: 1rem 0;
  border-left: 3px solid var(--primary);
  background: var(--btn-regular-bg);
  position: relative;
}
figure.highlight table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
}
figure.highlight .gutter {
  width: 2.5rem;
  text-align: right;
  padding: 0 0.75rem 0 0;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  user-select: none;
}
figure.highlight .gutter pre {
  padding: 1.25rem 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.3);
  background: transparent;
  margin: 0;
}
figure.highlight .code {
  padding: 0;
}
figure.highlight .code pre {
  padding: 1.25rem 0 1.25rem 1rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #abb2bf;
  background: transparent;
  margin: 0;
  overflow-x: auto;
}

/* Code block wrapper (for our JS-injected wrapper) */
.code-block-wrapper {
  position: relative;
  margin: 1.5rem 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line-divider);
  background: oklch(0.18 0.015 var(--hue)); /* Premium dark slate background */
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-medium);
}
.code-block-wrapper pre {
  margin: 0;
  padding: 1.25rem 1rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #abb2bf; /* Monokai/OneDark style code color */
}
.code-block-wrapper figure.highlight {
  margin: 0;
  border: none;
  border-radius: 0;
  background: transparent;
}

/* Language badge */
.code-language-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  padding: 0.15rem 0.6rem;
  background: oklch(0.22 0.08 var(--hue) / 0.5);
  border: 1px solid oklch(0.65 0.18 var(--hue) / 0.3);
  border-radius: 6px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: oklch(0.70 0.18 var(--hue));
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  z-index: 4;
}

/* Copy button */
.code-copy-btn {
  position: absolute;
  top: 0.65rem;
  right: 0.75rem; /* Matches the position of the language badge */
  padding: 0.25rem;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid oklch(0.65 0.18 var(--hue) / 0.3);
  border-radius: 6px;
  background: oklch(0.22 0.08 var(--hue) / 0.8);
  color: oklch(0.70 0.18 var(--hue));
  cursor: pointer;
  transition: all var(--duration-fast);
  opacity: 0;
  z-index: 5;
}
.code-copy-btn .material-symbols-outlined {
  font-size: 1rem;
}
.code-block-wrapper:hover .code-copy-btn { opacity: 1; }
.code-block-wrapper:hover .code-language-badge { opacity: 0; pointer-events: none; }
.code-copy-btn:hover { color: #fff; border-color: var(--primary); background: var(--primary); }
.code-copy-btn.copied { color: oklch(0.65 0.15 140); border-color: oklch(0.65 0.15 140 / 0.6); }

/* Header styling for file titles & terminal dots */
.code-block-header {
  height: 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0 1rem;
  box-sizing: border-box;
}
.code-header-tab {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  height: 100%;
  border-bottom: 2px solid var(--primary);
  box-sizing: border-box;
  padding: 0 0.25rem;
}
.code-header-tab-title {
  font-weight: 600;
  font-size: 0.8125rem;
  color: #fff;
  font-family: var(--font-mono);
}
.code-header-tab-icon {
  font-size: 1rem;
  color: var(--primary);
}
.code-header-terminal {
  display: flex;
  gap: 0.375rem;
}
.terminal-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.code-header-actions {
  display: flex;
  align-items: center;
}
.code-header-expand-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
  transition: color var(--duration-fast);
}
.code-header-expand-btn:hover {
  color: var(--primary);
}
.code-header-expand-btn .material-symbols-outlined {
  font-size: 1rem;
}

/* Collapsible Code Blocks */
.code-collapsible.collapsed {
  max-height: 260px;
}
.code-collapsible.collapsed table.hljs-ln {
  max-height: 200px;
  overflow: hidden;
  display: block;
}
.code-expand-pill-wrapper {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4.5rem;
  background: linear-gradient(to bottom, transparent, oklch(0.18 0.015 var(--hue)));
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 0.50rem;
  z-index: 3;
  box-sizing: border-box;
}
.code-collapsible.expanded .code-expand-pill-wrapper {
  position: relative;
  height: 3.5rem;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
}
.code-expand-pill-btn {
  background: oklch(0.22 0.08 var(--hue));
  border: 1px solid oklch(0.65 0.18 var(--hue) / 0.3);
  color: oklch(0.70 0.18 var(--hue));
  font-weight: 700;
  font-size: 0.8125rem;
  padding: 0.35rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: all var(--duration-fast);
}
.code-expand-pill-btn:hover {
  background: oklch(0.65 0.18 var(--hue) / 0.2);
  transform: scale(1.05);
}
.code-expand-pill-btn .material-symbols-outlined {
  font-size: 1rem;
}

/* Line Markers / Annotations & Diff Styles */
.code-line-ins {
  background: rgba(76, 175, 80, 0.15) !important;
  border-left: 3px solid #4caf50;
}
.code-line-ins .hljs-ln-numbers {
  color: #4caf50 !important;
}
.code-line-del {
  background: rgba(244, 67, 54, 0.15) !important;
  border-left: 3px solid #f44336;
}
.code-line-del .hljs-ln-numbers {
  color: #f44336 !important;
}
.code-line-mark {
  background: rgba(33, 150, 243, 0.15) !important;
  border-left: 3px solid #2196f3;
}
.code-line-mark .hljs-ln-numbers {
  color: #2196f3 !important;
}

.hljs-ln-numbers {
  position: relative;
}
.hljs-ln-numbers[data-marker]::after {
  content: attr(data-marker);
  position: absolute;
  right: 0.25rem;
  font-weight: bold;
  font-size: 0.8125rem;
}

/* Banner Labels (// 1. Label) */
.code-line-label {
  background: var(--banner-bg) !important;
  border-left: 3px solid var(--banner-border);
}
.code-line-label.label-blue {
  --banner-bg: rgba(33, 150, 243, 0.2);
  --banner-border: #2196f3;
}
.code-line-label.label-red {
  --banner-bg: rgba(244, 67, 54, 0.2);
  --banner-border: #f44336;
}
.code-line-label.label-green {
  --banner-bg: rgba(76, 175, 80, 0.2);
  --banner-border: #4caf50;
}
.code-line-label .hljs-ln-line {
  color: #fff !important;
  font-weight: 700;
  font-size: 0.8125rem;
  padding: 0.25rem 0.5rem !important;
}
.code-line-label .hljs-ln-numbers {
  color: rgba(255, 255, 255, 0.3) !important;
}

/* Highlight.js themes integration */
pre code.hljs { display: block; overflow-x: auto; padding: 1rem; }

/* Reset markdown table styling on highlight.js line numbers tables */
.markdown-body table.hljs-ln {
  border: none !important;
  border-collapse: collapse !important;
  border-spacing: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  margin: 0 !important;
  width: 100% !important;
  box-shadow: none !important;
}
.markdown-body table.hljs-ln tr {
  border: none !important;
  background: transparent !important;
}
.markdown-body table.hljs-ln td {
  border: none !important;
  padding: 0 !important;
  background: transparent !important;
}

/* Diff / line numbers */
/* Diff / line numbers */
.hljs-ln {
  width: 100%;
  border-collapse: collapse;
}
.hljs-ln td {
  padding: 0;
  vertical-align: top;
}
.hljs-ln-numbers {
  text-align: right;
  color: rgba(255, 255, 255, 0.3) !important;
  border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
  padding-right: 0.75rem !important;
  width: 2.25rem;
  user-select: none;
  border-radius: 0 !important;
  border: none !important;
  border-top-left-radius: 0 !important;
  border-bottom-left-radius: 0 !important;
  border-top-right-radius: 0 !important;
  border-bottom-right-radius: 0 !important;
}
.hljs-ln-code {
  padding-left: 1rem !important;
}

/* ============================================================
   Syntax Highlighting Colors (OKLCH-based)
   Supports Hexo server-side highlight and Highlight.js classes
   ============================================================ */

/* Comments & punctuation */
figure.highlight .comment,
.hljs-comment,
figure.highlight .quote,
.hljs-quote {
  color: var(--text-tertiary);
  font-style: italic;
}

/* Keywords */
figure.highlight .keyword,
.hljs-keyword,
figure.highlight .selector-tag,
.hljs-selector-tag,
figure.highlight .addition,
.hljs-addition {
  color: oklch(0.55 0.18 10); /* rich red/pink */
  font-weight: 600;
}
.dark figure.highlight .keyword,
.dark .hljs-keyword,
.dark figure.highlight .selector-tag,
.dark .hljs-selector-tag,
.dark figure.highlight .addition,
.dark .hljs-addition {
  color: oklch(0.70 0.16 10); /* bright red/pink */
}

/* Strings */
figure.highlight .string,
.hljs-string,
figure.highlight .meta .string,
.hljs-meta .string,
figure.highlight .doctag,
.hljs-doctag {
  color: oklch(0.48 0.14 140); /* rich green */
}
.dark figure.highlight .string,
.dark .hljs-string,
.dark figure.highlight .meta .string,
.dark .hljs-meta .string,
.dark figure.highlight .doctag,
.dark .hljs-doctag {
  color: oklch(0.75 0.14 140); /* bright green */
}

/* Numbers & Literals */
figure.highlight .number,
.hljs-number,
figure.highlight .literal,
.hljs-literal,
figure.highlight .variable,
.hljs-variable,
figure.highlight .template-variable,
.hljs-template-variable {
  color: oklch(0.50 0.15 65); /* rich orange/yellow */
}
.dark figure.highlight .number,
.dark .hljs-number,
.dark figure.highlight .literal,
.dark .hljs-literal,
.dark figure.highlight .variable,
.dark .hljs-variable,
.dark figure.highlight .template-variable,
.dark .hljs-template-variable {
  color: oklch(0.72 0.15 65); /* bright orange */
}

/* Titles, Function Names, Classes */
figure.highlight .title,
.hljs-title,
figure.highlight .attr,
.hljs-attr,
figure.highlight .attribute,
.hljs-attribute,
figure.highlight .section,
.hljs-section,
figure.highlight .name,
.hljs-name {
  color: oklch(0.48 0.16 260); /* rich blue */
}
.dark figure.highlight .title,
.dark .hljs-title,
.dark figure.highlight .attr,
.dark .hljs-attr,
.dark figure.highlight .attribute,
.dark .hljs-attribute,
.dark figure.highlight .section,
.dark .hljs-section,
.dark figure.highlight .name,
.dark .hljs-name {
  color: oklch(0.72 0.14 260); /* bright blue */
}

/* Built-ins, Types */
figure.highlight .built_in,
.hljs-built_in,
figure.highlight .type,
.hljs-type,
figure.highlight .class,
.hljs-class,
figure.highlight .selector-class,
.hljs-selector-class,
figure.highlight .selector-id,
.hljs-selector-id {
  color: oklch(0.46 0.15 200); /* rich teal/cyan */
}
.dark figure.highlight .built_in,
.dark .hljs-built_in,
.dark figure.highlight .type,
.dark .hljs-type,
.dark figure.highlight .class,
.dark .hljs-class,
.dark figure.highlight .selector-class,
.dark .hljs-selector-class,
.dark figure.highlight .selector-id,
.dark .hljs-selector-id {
  color: oklch(0.70 0.15 200); /* bright teal */
}

/* Regexp & Special Characters */
figure.highlight .regexp,
.hljs-regexp,
figure.highlight .link,
.hljs-link,
figure.highlight .meta,
.hljs-meta,
figure.highlight .symbol,
.hljs-symbol,
figure.highlight .bullet,
.hljs-bullet {
  color: oklch(0.48 0.16 330); /* rich magenta */
}
.dark figure.highlight .regexp,
.dark .hljs-regexp,
.dark figure.highlight .link,
.dark .hljs-link,
.dark figure.highlight .meta,
.dark .hljs-meta,
.dark figure.highlight .symbol,
.dark .hljs-symbol,
.dark figure.highlight .bullet,
.dark .hljs-bullet {
  color: oklch(0.72 0.16 330); /* bright magenta */
}

/* Deletions (diff blocks) */
figure.highlight .deletion,
.hljs-deletion {
  color: oklch(0.50 0.18 20); /* rich dark red */
  background: oklch(0.50 0.18 20 / 0.1);
  display: inline-block;
  width: 100%;
}
.dark figure.highlight .deletion,
.dark .hljs-deletion {
  color: oklch(0.70 0.16 20); /* bright red */
  background: oklch(0.70 0.16 20 / 0.15);
}