/* ============================================
   Coderon-Inspired Theme for Jekyll
   With Catppuccin Color Scheme
   ============================================ */

/* CSS Variables for easy theming */
:root {
  /* Dark theme (Catppuccin Mocha) - Default */
  color-scheme: dark;
  --color-bg: var(--ctp-mocha-base);
  --color-bg-secondary: var(--ctp-mocha-mantle);
  --color-bg-tertiary: var(--ctp-mocha-crust);
  --color-text: var(--ctp-mocha-text);
  --color-text-secondary: var(--ctp-mocha-subtext1);
  --color-text-muted: var(--ctp-mocha-subtext0);
  --color-heading: var(--ctp-mocha-text);
  --color-accent: var(--ctp-mocha-mauve);
  --color-accent-hover: var(--ctp-mocha-lavender);
  --color-border: var(--ctp-mocha-surface0);
  --color-link: var(--ctp-mocha-blue);
  --color-link-hover: var(--ctp-mocha-sapphire);
  --color-code-bg: var(--ctp-mocha-mantle);
  --color-success: var(--ctp-mocha-green);
  --color-warning: var(--ctp-mocha-yellow);
  --color-error: var(--ctp-mocha-red);
  --color-tag-bg: var(--ctp-mocha-surface0);
  --color-tag-text: var(--ctp-mocha-mauve);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, 'Courier New', monospace;
  --font-size-base: 16px;
  --line-height-base: 1.7;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Layout */
  --max-width: 720px;
  --max-width-wide: 1200px;
  --border-radius: 8px;
  --border-radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* Light theme (Catppuccin Latte) */
[data-theme="light"] {
  color-scheme: light;
  --color-bg: var(--ctp-latte-base);
  --color-bg-secondary: var(--ctp-latte-mantle);
  --color-bg-tertiary: var(--ctp-latte-crust);
  --color-text: var(--ctp-latte-text);
  --color-text-secondary: var(--ctp-latte-subtext1);
  --color-text-muted: var(--ctp-latte-subtext0);
  --color-heading: var(--ctp-latte-text);
  --color-accent: var(--ctp-latte-mauve);
  --color-accent-hover: var(--ctp-latte-lavender);
  --color-border: var(--ctp-latte-surface0);
  --color-link: var(--ctp-latte-blue);
  --color-link-hover: var(--ctp-latte-sapphire);
  --color-code-bg: var(--ctp-latte-mantle);
  --color-success: var(--ctp-latte-green);
  --color-warning: var(--ctp-latte-yellow);
  --color-error: var(--ctp-latte-red);
  --color-tag-bg: var(--ctp-latte-surface0);
  --color-tag-text: var(--ctp-latte-mauve);
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--spacing-md);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-heading);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin: 0 0 var(--spacing-lg);
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-heading);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-logo:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.site-nav a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  padding: var(--spacing-sm) 0;
  transition: color var(--transition-fast);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-heading);
  text-decoration: none;
}

/* Header Social Links */
.header-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.header-social-link:hover {
  color: var(--color-accent);
}

.header-social-link svg {
  width: 20px;
  height: 20px;
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--color-heading);
  border-color: var(--color-accent);
  background-color: var(--color-bg-secondary);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* Show sun in dark mode (default), moon in light mode */
.theme-toggle .icon-sun {
  display: block;
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: var(--transition-fast);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    display: none;
  }
  
  .site-nav.active {
    display: flex;
  }
  
  .theme-toggle {
    align-self: flex-start;
  }
}

/* Main Content */
.site-main {
  min-height: calc(100vh - 200px);
  padding: var(--spacing-3xl) 0;
}

/* Post Cards */
.posts-grid {
  display: grid;
  gap: var(--spacing-2xl);
}

.post-card {
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.post-card:last-child {
  border-bottom: none;
}

.post-card-tag {
  margin-bottom: var(--spacing-md);
}

.post-card-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.post-card-title a {
  color: var(--color-heading);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.post-card-title a:hover {
  color: var(--color-accent);
}

.post-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-md);
}

.post-card-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.post-card-meta svg {
  width: 14px;
  height: 14px;
  margin-right: var(--spacing-xs);
  vertical-align: middle;
}

.post-card-excerpt {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  font-size: 1rem;
  line-height: 1.7;
}

.post-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-tag-text);
  background-color: var(--color-tag-bg);
  border-radius: 20px;
  transition: all var(--transition-fast);
}

.tag:hover {
  filter: brightness(0.9);
  text-decoration: none;
}

/* Tag color variants using Catppuccin colors (pastel backgrounds) */
/* Dark theme (Mocha) - Default */
.tag[data-color="mauve"] { background-color: #3b2e4a; color: #cba6f7; }
.tag[data-color="pink"] { background-color: #432e3d; color: #f5c2e7; }
.tag[data-color="red"] { background-color: #452a2e; color: #f38ba8; }
.tag[data-color="peach"] { background-color: #453228; color: #fab387; }
.tag[data-color="yellow"] { background-color: #433b24; color: #f9e2af; }
.tag[data-color="green"] { background-color: #2a3d2c; color: #a6e3a1; }
.tag[data-color="teal"] { background-color: #253d3c; color: #94e2d5; }
.tag[data-color="sky"] { background-color: #253a43; color: #89dceb; }
.tag[data-color="sapphire"] { background-color: #263945; color: #74c7ec; }
.tag[data-color="blue"] { background-color: #2a3548; color: #89b4fa; }
.tag[data-color="lavender"] { background-color: #323548; color: #b4befe; }

/* Light theme (Latte) */
[data-theme="light"] .tag[data-color="mauve"] { background-color: #eadcf0; color: #8839ef; }
[data-theme="light"] .tag[data-color="pink"] { background-color: #f5dce6; color: #ea76cb; }
[data-theme="light"] .tag[data-color="red"] { background-color: #f5dcd8; color: #d20f39; }
[data-theme="light"] .tag[data-color="peach"] { background-color: #f7e0d4; color: #fe640b; }
[data-theme="light"] .tag[data-color="yellow"] { background-color: #f5ead0; color: #df8e1d; }
[data-theme="light"] .tag[data-color="green"] { background-color: #d8edda; color: #40a02b; }
[data-theme="light"] .tag[data-color="teal"] { background-color: #d4edea; color: #179299; }
[data-theme="light"] .tag[data-color="sky"] { background-color: #d4e9f0; color: #04a5e5; }
[data-theme="light"] .tag[data-color="sapphire"] { background-color: #d4e6f2; color: #209fb5; }
[data-theme="light"] .tag[data-color="blue"] { background-color: #d6e3f5; color: #1e66f5; }
[data-theme="light"] .tag[data-color="lavender"] { background-color: #e0e3f5; color: #7287fd; }

.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-accent);
  font-weight: 500;
  font-size: 0.9rem;
}

.read-more:hover {
  text-decoration: none;
}

.read-more svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.read-more:hover svg {
  transform: translateX(4px);
}

/* Single Post */
.post {
  max-width: var(--max-width);
  margin: 0 auto;
}

.post-header {
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.post-tag {
  margin-bottom: var(--spacing-lg);
}

.post-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.post-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.post-meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.post-meta-separator {
  color: var(--color-text-muted);
}

.post-meta-item svg {
  width: 16px;
  height: 16px;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.post-content {
  font-size: 1.0625rem;
  line-height: 1.8;
}

.post-content h2 {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.post-content h3 {
  margin-top: var(--spacing-xl);
}

.post-content ul,
.post-content ol {
  margin: 0 0 var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.post-content li {
  margin-bottom: var(--spacing-sm);
}

.post-content blockquote {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  border-left: 4px solid var(--color-accent);
  background-color: var(--color-bg-secondary);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.post-content blockquote p:last-child {
  margin-bottom: 0;
}

/* Code Blocks */
.post-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  padding: 0.2em 0.4em;
  background-color: var(--color-code-bg);
  border-radius: 4px;
  color: var(--color-accent);
}

.post-content pre {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-lg);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  white-space: pre-wrap;
  word-wrap: break-word;
}

.post-content pre code {
  padding: 0;
  background: none;
  color: var(--color-text);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Tables */
.post-content table {
  width: 100%;
  margin: var(--spacing-lg) 0;
  border-collapse: collapse;
}

.post-content th,
.post-content td {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  text-align: left;
}

.post-content th {
  background-color: var(--color-bg-secondary);
  font-weight: 600;
  color: var(--color-heading);
}

.post-content tr:nth-child(even) {
  background-color: var(--color-bg-secondary);
}

/* Page Styles */
.page {
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-header {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 2.5rem;
  margin-bottom: 0;
}

.page-content {
  font-size: 1.0625rem;
  line-height: 1.8;
}

/* Related Posts */
.related-posts {
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.related-posts h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xl);
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.related-post-card {
  padding: var(--spacing-lg);
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  transition: transform var(--transition-fast);
}

.related-post-card:hover {
  transform: translateY(-2px);
}

.related-post-card .tag {
  margin-bottom: var(--spacing-sm);
  display: inline-block;
}

.related-post-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.related-post-card h3 a {
  color: var(--color-heading);
  text-decoration: none;
}

.related-post-card h3 a:hover {
  color: var(--color-accent);
}

.related-post-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.related-post-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Post Share */
.post-share {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.share-links {
  display: flex;
  gap: var(--spacing-sm);
}

.share-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-secondary);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.share-links a:hover {
  color: white;
  background-color: var(--color-accent);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.pagination-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

a.pagination-item:hover {
  color: var(--color-heading);
  border-color: var(--color-accent);
  text-decoration: none;
}

.pagination-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Footer */
.site-footer {
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-3xl);
  border-top: 1px solid var(--color-border);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  text-align: center;
}

.footer-copyright {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  margin: 0;
}

/* 404 Page */
.error-page {
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.error-code {
  font-size: 8rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--spacing-lg);
}

.error-message {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.error-page .icon-back {
  transform: rotate(180deg);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* Responsive */
@media (max-width: 768px) {
  :root {
    --font-size-base: 15px;
  }
  
  h1 { font-size: 1.875rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  .post-title,
  .page-title {
    font-size: 1.875rem;
  }
  
  .post-card {
    padding: var(--spacing-lg);
  }
  
  .site-main {
    padding: var(--spacing-xl) 0;
  }
}

/* Syntax Highlighting - Catppuccin Mocha (Dark) - Default */
.highlight {
  margin: var(--spacing-lg) 0;
  border-radius: var(--border-radius);
}

.highlight pre,
.highlight code {
  white-space: pre-wrap;
  word-wrap: break-word;
}

.highlight pre {
  background-color: #181825;
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin: 0;
}

.highlight .c, .highlight .c1, .highlight .cm { color: #6c7086; font-style: italic; } /* Comment */
.highlight .cp { color: #fab387; } /* Comment.Preproc */
.highlight .k, .highlight .kd, .highlight .kn, .highlight .kp, .highlight .kr { color: #cba6f7; font-weight: 600; } /* Keyword */
.highlight .kt { color: #f9e2af; } /* Keyword.Type */
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sb, .highlight .sc, .highlight .sd, .highlight .sh { color: #a6e3a1; } /* String */
.highlight .si { color: #f38ba8; } /* String.Interpol */
.highlight .sx { color: #f5c2e7; } /* String.Other */
.highlight .sr { color: #94e2d5; } /* String.Regex */
.highlight .na { color: #89b4fa; } /* Name.Attribute */
.highlight .nb { color: #f38ba8; } /* Name.Builtin */
.highlight .nc { color: #f9e2af; font-weight: 600; } /* Name.Class */
.highlight .nd { color: #89b4fa; } /* Name.Decorator */
.highlight .nf, .highlight .fm { color: #89b4fa; } /* Name.Function */
.highlight .ni { color: #cba6f7; } /* Name.Entity */
.highlight .nn { color: #f9e2af; } /* Name.Namespace */
.highlight .no { color: #fab387; } /* Name.Constant */
.highlight .nt { color: #cba6f7; } /* Name.Tag */
.highlight .nv, .highlight .vc, .highlight .vg, .highlight .vi { color: #cdd6f4; } /* Name.Variable */
.highlight .o, .highlight .ow { color: #94e2d5; } /* Operator */
.highlight .p { color: #cdd6f4; } /* Punctuation */
.highlight .m, .highlight .mi, .highlight .mf, .highlight .mh, .highlight .mo { color: #fab387; } /* Number */
.highlight .bp { color: #f38ba8; } /* Name.Builtin.Pseudo */
.highlight .gh { color: #89b4fa; font-weight: 600; } /* Generic.Heading */
.highlight .gu { color: #cba6f7; font-weight: 600; } /* Generic.Subheading */
.highlight .gd { color: #f38ba8; background-color: #f38ba830; } /* Generic.Deleted */
.highlight .gi { color: #a6e3a1; background-color: #a6e3a130; } /* Generic.Inserted */
.highlight .ge { font-style: italic; } /* Generic.Emph */
.highlight .gs { font-weight: 600; } /* Generic.Strong */
.highlight .err { color: #f38ba8; } /* Error */

/* Syntax Highlighting - Catppuccin Latte (Light) */
[data-theme="light"] .highlight pre {
  background-color: #ffffff;
}

[data-theme="light"] .highlight .c, [data-theme="light"] .highlight .c1, [data-theme="light"] .highlight .cm { color: #8c8fa1; font-style: italic; }
[data-theme="light"] .highlight .cp { color: #fe640b; }
[data-theme="light"] .highlight .k, [data-theme="light"] .highlight .kd, [data-theme="light"] .highlight .kn, [data-theme="light"] .highlight .kp, [data-theme="light"] .highlight .kr { color: #8839ef; font-weight: 600; }
[data-theme="light"] .highlight .kt { color: #df8e1d; }
[data-theme="light"] .highlight .s, [data-theme="light"] .highlight .s1, [data-theme="light"] .highlight .s2, [data-theme="light"] .highlight .sb, [data-theme="light"] .highlight .sc, [data-theme="light"] .highlight .sd, [data-theme="light"] .highlight .sh { color: #40a02b; }
[data-theme="light"] .highlight .si { color: #d20f39; }
[data-theme="light"] .highlight .sx { color: #ea76cb; }
[data-theme="light"] .highlight .sr { color: #179299; }
[data-theme="light"] .highlight .na { color: #1e66f5; }
[data-theme="light"] .highlight .nb { color: #d20f39; }
[data-theme="light"] .highlight .nc { color: #df8e1d; font-weight: 600; }
[data-theme="light"] .highlight .nd { color: #1e66f5; }
[data-theme="light"] .highlight .nf, [data-theme="light"] .highlight .fm { color: #1e66f5; }
[data-theme="light"] .highlight .ni { color: #8839ef; }
[data-theme="light"] .highlight .nn { color: #df8e1d; }
[data-theme="light"] .highlight .no { color: #fe640b; }
[data-theme="light"] .highlight .nt { color: #8839ef; }
[data-theme="light"] .highlight .nv, [data-theme="light"] .highlight .vc, [data-theme="light"] .highlight .vg, [data-theme="light"] .highlight .vi { color: #4c4f69; }
[data-theme="light"] .highlight .o, [data-theme="light"] .highlight .ow { color: #179299; }
[data-theme="light"] .highlight .p { color: #4c4f69; }
[data-theme="light"] .highlight .m, [data-theme="light"] .highlight .mi, [data-theme="light"] .highlight .mf, [data-theme="light"] .highlight .mh, [data-theme="light"] .highlight .mo { color: #fe640b; }
[data-theme="light"] .highlight .bp { color: #d20f39; }
[data-theme="light"] .highlight .gh { color: #1e66f5; font-weight: 600; }
[data-theme="light"] .highlight .gu { color: #8839ef; font-weight: 600; }
[data-theme="light"] .highlight .gd { color: #d20f39; background-color: #e6455330; }
[data-theme="light"] .highlight .gi { color: #40a02b; background-color: #40a02b30; }
[data-theme="light"] .highlight .ge { font-style: italic; }
[data-theme="light"] .highlight .gs { font-weight: 600; }
[data-theme="light"] .highlight .err { color: #d20f39; }

/* Copy Code Button */
.highlight {
  position: relative;
}

.copy-code-button {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  color: var(--color-text-muted);
  opacity: 0;
  transition: all var(--transition-fast);
}

.highlight:hover .copy-code-button {
  opacity: 1;
}

.copy-code-button:hover {
  color: var(--color-heading);
  background-color: var(--color-bg-secondary);
  border-color: var(--color-accent);
}

.copy-code-button.copied {
  color: var(--color-success);
  border-color: var(--color-success);
}

.copy-code-button svg {
  width: 16px;
  height: 16px;
}

/* Giscus Comments Section */
.comments-section {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.comments-section h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-heading);
}

/* Tags Page */
.tags-page {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: var(--spacing-xl);
}

.tags-page .page-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.tags-page .page-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.tags-list .tag {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
  text-transform: capitalize;
  transition: var(--transition-fast);
}

.tags-list .tag:hover,
.tags-list .tag.active {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

.tags-list .show-more-tags {
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.tags-list .tag.hidden-tag {
  display: none;
}

.tags-page .posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.tags-page .post-card {
  background: var(--color-bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  transition: var(--transition-base);
}

.tags-page .post-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
  .tags-page .posts-grid {
    grid-template-columns: 1fr;
  }
  
  .tags-page {
    padding: var(--spacing-md);
  }
}

/* Smooth page load animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.site-main {
  animation: fadeIn 0.5s ease-out;
}

/* Accessibility: respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .site-main {
    animation: none;
  }
}