/* ==========================================================================
   Design Tokens
   ========================================================================== */
:root {
  /* Colors - Light Theme */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: rgba(37, 99, 235, 0.1);
  --color-success: #10b981;
  
  --bg-color: #f8fafc;
  --bg-color-alt: #f1f5f9;
  --text-color: #0f172a;
  --text-color-muted: #64748b;
  --link-color: var(--color-primary);
  
  --border-color: #e2e8f0;
  --header-bg: rgba(255, 255, 255, 0.85);
  --sidebar-bg: #ffffff;
  --card-bg: #ffffff;
  --hover-bg: #f1f5f9;
  --toc-active: var(--color-primary);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: 'Fira Code', 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 1.875rem;   /* 30px */
  --text-4xl: 2.25rem;    /* 36px */

  /* Spacing */
  --space-1: 0.25rem;     /* 4px */
  --space-2: 0.5rem;      /* 8px */
  --space-3: 0.75rem;     /* 12px */
  --space-4: 1rem;        /* 16px */
  --space-6: 1.5rem;      /* 24px */
  --space-8: 2rem;        /* 32px */
  --space-12: 3rem;       /* 48px */
  --space-16: 4rem;       /* 64px */

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Code Blocks */
  --code-bg: #f1f5f9;
  --code-text: #0f172a;
  --code-border: #e2e8f0;
  --code-comment: #64748b;
  --code-keyword: #d97706;
  --code-string: #059669;
  --code-function: #2563eb;
  --code-number: #2563eb;
  --code-operator: var(--code-text);
  --code-type: var(--code-text);
  --code-variable: var(--code-text);
  --ida-bg: #fbfbfb;
  --ida-text: #000000;
  --ida-border: #d7dbe3;
  --ida-keyword: #0000b8;
  --ida-type: #0000b8;
  --ida-variable: #6b6bff;
  --ida-function: #ff00aa;
  --ida-global: #003cff;
  --ida-number: #003cff;
  --ida-string: #008000;
  --ida-comment: #6b6bff;
  --ida-callconv: #666666;
}

[data-theme="dark"] {
  /* Colors - Dark Theme */
  --color-primary: #3b82f6;
  --color-primary-hover: #60a5fa;
  --color-primary-light: rgba(59, 130, 246, 0.15);
  --color-success: #34d399;

  --bg-color: #0f172a;
  --bg-color-alt: #1e293b;
  --text-color: #f1f5f9;
  --text-color-muted: #94a3b8;
  --link-color: var(--color-primary);
  
  --border-color: #334155;
  --header-bg: rgba(15, 23, 42, 0.85);
  --sidebar-bg: #1e293b;
  --card-bg: #1e293b;
  --hover-bg: #334155;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);

  /* Code Blocks */
  --code-bg: #111827;
  --code-text: #f1f5f9;
  --code-border: #334155;
  --code-comment: #64748b;
  --code-keyword: #f59e0b;
  --code-string: #6ee7b7;
  --code-function: #60a5fa;
  --code-number: #60a5fa;
  --code-operator: var(--code-text);
  --code-type: var(--code-text);
  --code-variable: var(--code-text);
  --ida-bg: #111827;
  --ida-text: #e5e7eb;
  --ida-border: #374151;
  --ida-keyword: #8ab4ff;
  --ida-type: #8ab4ff;
  --ida-variable: #b6a8ff;
  --ida-function: #ff7ad9;
  --ida-global: #7aa2ff;
  --ida-number: #7aa2ff;
  --ida-string: #7ddf9a;
  --ida-comment: #9aa6ff;
  --ida-callconv: #9ca3af;
}

/* Floating Action Buttons */
.fab-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1000;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  opacity: 0;
  visibility: hidden;
}

.fab-container.show {
  opacity: 1;
  visibility: visible;
}

.fab-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--card-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.fab-btn:hover {
  background-color: var(--hover-bg);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Font Size Classes for Body */
body.font-size-large {
  --text-base: 1.125rem;
  --text-sm: 1rem;
  --text-xs: 0.875rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 1.875rem;
  --text-3xl: 2.25rem;
  --text-4xl: 3rem;
}

/* ==========================================================================
   Global Styles
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.7;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.site-loader {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: grid;
  place-items: center;
  padding: var(--space-6);
  background:
    radial-gradient(circle at 50% 28%, rgba(59, 130, 246, 0.18), transparent 34%),
    var(--bg-color);
  color: var(--text-color);
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.site-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.site-loader.is-hidden .site-loader-panel {
  transform: translateY(-8px) scale(0.98);
}

.site-loader-panel {
  width: min(100%, 360px);
  display: grid;
  justify-items: center;
  gap: var(--space-4);
  text-align: center;
  transition: transform var(--transition-normal);
}

.site-loader-avatar {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 3px solid var(--bg-color-alt);
  box-shadow: 0 0 0 1px var(--border-color), var(--shadow-lg);
  animation: loaderPulse 1.6s ease-in-out infinite;
}

.site-loader-brand {
  font-size: var(--text-xl);
  font-weight: 800;
  line-height: 1.2;
}

.site-loader-copy {
  font-size: var(--text-sm);
  color: var(--text-color-muted);
}

.site-loader-track {
  width: min(260px, 100%);
  height: 4px;
  overflow: hidden;
  border-radius: var(--radius-full);
  background: var(--bg-color-alt);
}

.site-loader-bar {
  width: 42%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary), var(--color-success));
  animation: loaderSweep 1.2s ease-in-out infinite;
}

@keyframes loaderPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.04);
  }
}

@keyframes loaderSweep {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(260%);
  }
}

.site-header {
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-3) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo a {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-color);
  text-decoration: none;
  letter-spacing: -0.025em;
  transition: color var(--transition-fast);
}

.logo a:hover {
  color: var(--color-primary);
}

.search-container {
  position: relative;
  margin: 0 var(--space-4);
  flex-grow: 1;
  max-width: 400px;
}

#search-input {
  width: 100%;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  background-color: var(--bg-color-alt);
  color: var(--text-color);
  font-size: var(--text-sm);
  transition: all var(--transition-normal);
  outline: none;
}

#search-input:focus {
  border-color: var(--color-primary);
  background-color: var(--bg-color);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

#search-input.is-searching {
  border-color: var(--color-primary);
  background-image: linear-gradient(90deg, transparent, var(--color-primary-light), transparent);
  background-size: 220% 100%;
  animation: searchPulse 0.9s ease-in-out infinite;
}

#search-results {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  right: 0;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-height: 400px;
  overflow-y: auto;
  display: none;
  z-index: 1001;
  padding: var(--space-2);
}

#search-results a {
  display: block;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-color);
  text-decoration: none;
  transition: all var(--transition-fast);
  margin-bottom: var(--space-1);
}

.search-result-title {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--text-color);
  font-size: var(--text-sm);
  line-height: 1.35;
}

.search-result-content {
  display: block;
  color: var(--text-color-muted);
  font-size: var(--text-xs);
  line-height: 1.55;
}

#search-results a:last-child {
  margin-bottom: 0;
}

#search-results a:hover {
  background-color: var(--hover-bg);
  transform: translateX(4px);
}

.search-state {
  padding: var(--space-3);
  color: var(--text-color-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.search-empty {
  text-align: center;
}

@keyframes searchPulse {
  0% {
    background-position: 120% 0;
  }
  100% {
    background-position: -120% 0;
  }
}

.site-nav {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.site-nav a {
  color: var(--text-color-muted);
  font-weight: 500;
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.site-nav a:hover {
  color: var(--color-primary);
}

/* Nav Dropdown */
.nav-dropdown {
  position: relative;
  display: inline-block;
}

.nav-dropbtn {
  display: flex;
  align-items: center;
  background: none;
  border: none;
  color: var(--text-color-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  font-family: inherit;
  padding: 0;
  cursor: pointer;
  outline: none;
  transition: color var(--transition-fast);
}

.nav-dropbtn:hover {
  color: var(--color-primary);
}

.nav-dropbtn:focus-visible,
.site-nav a:focus-visible,
#theme-toggle:focus-visible,
.hero-btn:focus-visible,
.fab-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.nav-dropbtn .arrow {
  font-size: 0.7em;
  transition: transform var(--transition-normal);
  margin-left: var(--space-1);
}

.nav-dropdown:hover .nav-dropbtn .arrow,
.nav-dropdown.active .nav-dropbtn .arrow {
  transform: rotate(180deg);
}

.nav-dropdown-content {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  background-color: var(--card-bg);
  min-width: 180px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  border-radius: var(--radius-lg);
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px) scale(0.95);
  border: 1px solid var(--border-color);
  padding: var(--space-2);
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  transform-origin: top center;
}

.nav-dropdown:hover .nav-dropdown-content,
.nav-dropdown.active .nav-dropdown-content {
  visibility: visible;
  opacity: 1;
  transform: translateX(-50%) translateY(10px) scale(1);
}

.nav-dropdown-content a {
  color: var(--text-color);
  padding: var(--space-2) var(--space-3);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-weight: 500;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.nav-dropdown-content a:last-child {
  margin-bottom: 0;
}

.nav-dropdown-content a svg {
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.nav-dropdown-content a:hover {
  background-color: var(--hover-bg);
  color: var(--color-primary);
  transform: translateX(4px);
}

.nav-dropdown-content a:hover svg {
  opacity: 1;
  color: var(--color-primary);
}

#theme-toggle {
  background: var(--bg-color-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  color: var(--text-color);
  transition: all var(--transition-normal);
}

#theme-toggle:hover {
  background: var(--hover-bg);
  transform: rotate(15deg) scale(1.1);
  box-shadow: var(--shadow-sm);
}

.site-main {
  padding: 40px 20px;
  min-height: calc(100vh - 160px);
}

/* Home Page */
.home-container {
  min-height: calc(100vh - 240px);
  display: grid;
  place-items: center;
}

.hero {
  position: relative;
  text-align: center;
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 58px 44px;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.hero::after {
  content: "";
  display: block;
  width: min(240px, 56%);
  height: 3px;
  margin: var(--space-6) auto 0;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-success), transparent);
  opacity: 0.68;
}

.hero-avatar-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: var(--space-6);
}

.avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--bg-color);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
  transition: transform var(--transition-slow);
}

.avatar:hover {
  transform: scale(1.05) rotate(5deg);
}

.avatar-ring {
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border-radius: 50%;
  background: conic-gradient(from 90deg, var(--color-primary), var(--color-success), var(--color-primary));
  z-index: 1;
  animation: spin 8s linear infinite;
  opacity: 0.55;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

.hero-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
  letter-spacing: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-success));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--text-xl);
  color: var(--text-color-muted);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  line-height: 1.6;
}

.hero-socials {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-md);
  transition: all var(--transition-normal);
  text-decoration: none;
}

.hero-btn.primary-btn {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 14px var(--color-primary-light);
}

.hero-btn.primary-btn:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--color-primary-light);
  text-decoration: none;
}

.hero-btn.secondary-btn {
  background: var(--card-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.hero-btn.secondary-btn:hover {
  background: var(--hover-bg);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  text-decoration: none;
}

.home-dashboard {
  width: min(100%, 1180px);
  margin: 0 auto;
  display: grid;
  gap: 22px;
}

.home-hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 28px;
  align-items: stretch;
  padding: 34px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .home-hero-panel,
[data-theme="dark"] .home-profile-card,
[data-theme="dark"] .home-entry,
[data-theme="dark"] .home-terminal-card,
[data-theme="dark"] .home-focus-card {
  background: var(--card-bg);
}

.home-hero-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.home-kicker {
  margin: 0 0 var(--space-3);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.home-hero-copy h1 {
  margin: 0;
  color: var(--text-color);
  font-size: var(--text-4xl);
  line-height: 1.18;
  overflow-wrap: anywhere;
}

.home-intro {
  max-width: 680px;
  margin: var(--space-4) 0 0;
  color: var(--text-color-muted);
  font-size: var(--text-lg);
  line-height: 1.75;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-7);
}

.home-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 42px;
  padding: 0 var(--space-5);
  color: var(--text-color);
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.home-action.primary {
  color: #ffffff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.home-action:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
  text-decoration: none;
}

.home-action.primary:hover {
  color: #ffffff;
  background: var(--color-primary-hover);
}

.home-profile-card {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: var(--space-4);
  min-width: 0;
  padding: 24px 18px;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.home-avatar {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--bg-color);
  box-shadow: var(--shadow-md);
}

.home-profile-card strong {
  display: block;
  color: var(--text-color);
  font-size: var(--text-xl);
  text-align: center;
}

.home-profile-card span {
  display: block;
  margin-top: var(--space-1);
  color: var(--text-color-muted);
  font-size: var(--text-sm);
  text-align: center;
}

.home-stats {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0;
}

.home-stats div {
  min-width: 0;
  padding: var(--space-3) var(--space-2);
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  text-align: center;
}

.home-stats dt {
  color: var(--text-color-muted);
  font-size: var(--text-xs);
}

.home-stats dd {
  margin: var(--space-1) 0 0;
  color: var(--text-color);
  font-size: var(--text-lg);
  font-weight: 800;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.home-entry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.home-entry {
  min-width: 0;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  grid-template-areas:
    "icon title"
    "icon meta";
  column-gap: var(--space-3);
  align-items: center;
  padding: 18px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  text-decoration: none;
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.home-entry:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.home-entry-icon {
  grid-area: icon;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #0f766e;
  background: rgba(15, 118, 110, 0.1);
  border-radius: 8px;
}

.home-entry:nth-child(2) .home-entry-icon {
  color: #2563eb;
  background: rgba(37, 99, 235, 0.1);
}

.home-entry:nth-child(3) .home-entry-icon {
  color: #b45309;
  background: rgba(180, 83, 9, 0.1);
}

.home-entry strong {
  grid-area: title;
  min-width: 0;
  color: var(--text-color);
  font-size: var(--text-md);
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.home-entry small {
  grid-area: meta;
  min-width: 0;
  margin-top: var(--space-1);
  color: var(--text-color-muted);
  font-size: var(--text-xs);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.home-current-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: 14px;
}

.home-terminal-card,
.home-focus-card {
  min-width: 0;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.home-terminal-head {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 42px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-color);
}

.home-terminal-head span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ef4444;
}

.home-terminal-head span:nth-child(2) {
  background: #f59e0b;
}

.home-terminal-head span:nth-child(3) {
  background: #10b981;
}

.home-terminal-head strong {
  margin-left: var(--space-2);
  color: var(--text-color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.home-terminal-body {
  padding: 18px 20px;
}

.home-terminal-body p {
  margin: 0;
  color: var(--text-color);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.home-terminal-body span {
  color: var(--color-primary);
  font-weight: 800;
}

.home-focus-card {
  padding: 20px;
}

.home-focus-card h2 {
  margin: 0 0 var(--space-4);
  color: var(--text-color);
  font-size: var(--text-xl);
  line-height: 1.25;
}

.home-focus-card ul {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.home-focus-card li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 38px;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-color);
}

.home-focus-card li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.home-focus-card span {
  min-width: 0;
  color: var(--text-color-muted);
  font-size: var(--text-sm);
  overflow-wrap: anywhere;
}

.home-focus-card strong {
  flex-shrink: 0;
  color: var(--text-color);
  font-size: var(--text-sm);
}

@media (max-width: 960px) {
  .home-hero-panel,
  .home-current-panel {
    grid-template-columns: 1fr;
  }

  .home-profile-card {
    grid-template-columns: auto minmax(0, 1fr);
    justify-items: start;
    align-items: center;
  }

  .home-profile-card strong,
  .home-profile-card span {
    text-align: left;
  }

  .home-stats {
    grid-column: 1 / -1;
  }

  .home-entry-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .home-dashboard {
    gap: 16px;
  }

  .home-hero-panel {
    padding: 22px 18px;
  }

  .home-hero-copy h1 {
    font-size: var(--text-3xl);
    line-height: 1.25;
  }

  .home-intro {
    font-size: var(--text-md);
    line-height: 1.7;
  }

  .home-actions {
    flex-direction: column;
  }

  .home-action {
    width: 100%;
  }

  .home-profile-card {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .home-profile-card strong,
  .home-profile-card span {
    text-align: center;
  }

  .home-avatar {
    width: 92px;
    height: 92px;
  }

  .home-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .home-entry {
    padding: 16px;
  }

  .home-terminal-body,
  .home-focus-card {
    padding: 16px;
  }
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: var(--space-3);
}

.section-header .section-title {
  min-width: 0;
  margin-bottom: 0;
}

.section-header .section-title::after {
  display: none;
}

.view-all {
  flex-shrink: 0;
  font-weight: 600;
  color: var(--color-primary);
  transition: all var(--transition-fast);
}

.view-all:hover {
  transform: translateX(4px);
  text-decoration: none;
}

.empty-state {
  grid-column: 1 / -1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-8);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
  background-color: var(--card-bg);
  color: var(--text-color);
  text-align: center;
}

.empty-state h2,
.empty-state h3 {
  margin: 0 0 var(--space-3);
  font-size: var(--text-2xl);
}

.empty-state p {
  margin: 0;
  color: var(--text-color-muted);
  line-height: 1.7;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* Home and List Pages Layout */
.list-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
}

.list-sidebar {
  position: relative;
}

.sidebar-widget {
  background-color: var(--sidebar-bg);
  padding: 20px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  margin-bottom: 30px;
}

.sidebar-widget h3 {
  margin-top: 0;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  font-size: 1.2rem;
}

/* Sidebar Categories */
.categories-list-sidebar {
  list-style: none;
  padding-left: 0;
}

.category-item {
  margin-bottom: 10px;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 5px;
}

.category-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.category-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 8px 0;
  min-height: 44px; /* Touch target */
}

.category-item-header > a {
  font-weight: bold;
  font-size: 1.1rem;
  flex-grow: 1;
}

.category-item-header > .count {
  color: #888;
  font-size: 0.9rem;
  margin-right: 10px;
}

.toggle-sub-category {
  font-size: 0.8rem;
  transition: transform 0.3s;
}

.toggle-sub-category.open {
  transform: rotate(180deg);
}

.recent-in-category-sidebar {
  list-style: none;
  padding-left: 15px;
  margin-top: 0;
  margin-bottom: 10px;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  max-height: 1000px;
}

.recent-in-category-sidebar.collapsed {
  max-height: 0;
  margin-bottom: 0;
}

.recent-in-category-sidebar li a {
  display: block;
  padding: 8px 0;
  min-height: 44px; /* Touch target */
  font-size: 0.95rem;
  color: var(--text-color);
}

.recent-in-category-sidebar li a.active {
  color: var(--toc-active);
  font-weight: bold;
}

.recent-in-category-sidebar li a:hover {
  color: var(--toc-active);
}

/* Sidebar Archives */
.archives-content-sidebar {
  max-height: 400px;
  overflow-y: auto;
}

.archive-group-sidebar {
  margin-bottom: 20px;
}

.archive-month-sidebar {
  margin-top: 0;
  margin-bottom: 8px;
  color: var(--link-color);
  font-size: 1.05rem;
}

.archive-list-sidebar {
  list-style: none;
  padding-left: 10px;
  margin: 0;
}

.archive-list-sidebar li a {
  display: block;
  padding: 8px 0;
  min-height: 44px; /* Touch target */
}

.archive-list-sidebar .date {
  color: #888;
  min-width: 45px;
  display: inline-block;
  padding-top: 8px;
}

.hidden-archive {
  display: none;
}

.load-more-btn {
  width: 100%;
  padding: 10px;
  background: var(--hover-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  min-height: 44px;
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-color);
  transition: background 0.3s;
}

.load-more-btn:hover {
  background: var(--border-color);
}

/* Global Animations */
.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
  opacity: 0;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-title {
  font-size: 2rem;
  margin-bottom: 30px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 40%;
  height: 3px;
  background-color: var(--link-color);
  border-radius: 2px;
}

/* Post Cards Refined */
.post-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
  justify-content: center;
}

/* Ensure cards don't stretch too wide when there's only 1 or 2 items */
@media (min-width: 1024px) {
  .home-container .post-cards {
    grid-template-columns: repeat(3, minmax(320px, 1fr));
    max-width: 1200px;
    margin: 0 auto;
  }
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  will-change: transform;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-success));
  opacity: 0;
  transition: opacity var(--transition-normal), height var(--transition-normal);
}

.card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  border-color: transparent;
}

.card:hover::before {
  opacity: 1;
  height: 6px;
}

.card h3 {
  margin-top: 0;
  font-size: var(--text-2xl);
  line-height: 1.4;
  margin-bottom: var(--space-4);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.card h3 a {
  color: var(--text-color);
  transition: color var(--transition-fast);
}

.card h3 a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.meta {
  font-size: var(--text-sm);
  color: var(--text-color-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.meta time {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tag {
  background-color: var(--bg-color-alt);
  color: var(--text-color-muted);
  padding: 4px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  transition: all var(--transition-fast);
  border: 1px solid var(--border-color);
}

.tag:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
  text-decoration: none;
  transform: translateY(-1px);
}

.summary {
  color: var(--text-color-muted);
  margin-bottom: var(--space-6);
  flex-grow: 1;
  line-height: 1.6;
}

.read-more {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  align-self: flex-start;
  position: relative;
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.read-more::after {
  content: '→';
  margin-left: var(--space-2);
  transition: transform var(--transition-fast);
}

.read-more:hover {
  text-decoration: none;
  background-color: var(--color-primary);
  color: white;
}

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

/* Pagination Styling */
.pagination {
  display: flex;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: var(--space-12) 0 var(--space-6) 0;
  gap: var(--space-2);
}

.pagination .page-item {
  margin: 0;
}

.pagination .page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-color-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-weight: 500;
  font-size: var(--text-sm);
}

.pagination .page-link:hover {
  background-color: var(--hover-bg);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.pagination .page-item.active .page-link {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.pagination .page-item.disabled .page-link {
  opacity: 0.5;
  pointer-events: none;
  background-color: var(--bg-color-alt);
}

/* Post Page Layout */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  position: relative;
}

.post-layout.three-column {
  grid-template-columns: 320px minmax(0, 1fr) 320px;
  gap: var(--space-8);
  max-width: 1600px;
  margin: 0 auto;
}

.post-sidebar-left,
.post-sidebar-right {
  position: relative;
  display: block; /* 回退为 block，防止 flex 导致粘性定位失效 */
}

.post-content-container {
  min-width: 0; /* Prevents CSS Grid blow-out */
  width: 100%;
}

/* ==========================================================================
   Post Content Typography & Components
   ========================================================================== */
.post-content {
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-color);
}

.post-content p {
  margin-bottom: var(--space-6);
  text-align: justify; /* 两端对齐，排版更整齐 */
}

/* 列表排版优化 */
.post-content ul, 
.post-content ol {
  margin-bottom: var(--space-6);
  padding-left: var(--space-6);
  line-height: 1.8;
}

.post-content li {
  margin-bottom: var(--space-2);
}

.post-content li > p {
  margin-bottom: var(--space-2); /* 列表内段落间距减小 */
}

.post-content h2, 
.post-content h3, 
.post-content h4 {
  color: var(--text-color);
  font-weight: 700;
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.post-content h2 { font-size: var(--text-3xl); border-bottom: 1px solid var(--border-color); padding-bottom: var(--space-2); }
.post-content h3 { font-size: var(--text-2xl); }
.post-content h4 { font-size: var(--text-xl); }

/* Image Figure Styles */
.post-figure {
  margin: var(--space-6) 0;
  text-align: center;
}

.post-figure .post-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 0 auto;
  display: block;
}

.post-figcaption {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-color-muted);
  font-style: italic;
}

.post-content blockquote {
  margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-color-muted);
  font-style: italic;
}

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

/* Admonitions Styles */
.post-content blockquote.admonition {
  border-left-width: 4px;
  padding: var(--space-4) var(--space-6);
  font-style: normal;
}

.post-content blockquote.admonition .admonition-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  margin-bottom: var(--space-2);
  font-size: var(--text-md);
}

.post-content blockquote.admonition pre {
  margin: var(--space-3) 0 0;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.22);
  box-shadow: none;
}

.post-content blockquote.admonition code {
  font-style: normal;
}

.post-content blockquote.admonition-note,
.post-content blockquote.admonition-info {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--text-color);
}
.post-content blockquote.admonition-note .admonition-title,
.post-content blockquote.admonition-info .admonition-title {
  color: var(--color-primary);
}

.post-content blockquote.admonition-warning,
.post-content blockquote.admonition-caution,
.post-content blockquote.admonition-attention {
  background-color: rgba(245, 158, 11, 0.1);
  border-color: #f59e0b;
  color: var(--text-color);
}
.post-content blockquote.admonition-warning .admonition-title,
.post-content blockquote.admonition-caution .admonition-title,
.post-content blockquote.admonition-attention .admonition-title {
  color: #f59e0b;
}

.post-content blockquote.admonition-tip,
.post-content blockquote.admonition-important,
.post-content blockquote.admonition-hint {
  background-color: rgba(16, 185, 129, 0.1);
  border-color: var(--color-success);
  color: var(--text-color);
}
.post-content blockquote.admonition-tip .admonition-title,
.post-content blockquote.admonition-important .admonition-title,
.post-content blockquote.admonition-hint .admonition-title {
  color: var(--color-success);
}

.post-content blockquote.admonition-danger,
.post-content blockquote.admonition-error {
  background-color: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
  color: var(--text-color);
}

.post-content blockquote.admonition-danger .admonition-title,
.post-content blockquote.admonition-error .admonition-title {
  color: #ef4444;
}

.post-content .siyuan-embed-placeholder,
.post-content .siyuan-template-placeholder,
.post-content .siyuan-widget-placeholder,
.post-content .siyuan-database-placeholder {
  border-style: solid;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.post-content .siyuan-template-placeholder {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.11), rgba(14, 165, 233, 0.08));
  border-color: #6366f1;
}

.post-content .siyuan-template-placeholder .admonition-title {
  color: #4f46e5;
}

.post-content .siyuan-embed-placeholder {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(16, 185, 129, 0.08));
  border-color: #0ea5e9;
}

.post-content .siyuan-embed-placeholder .admonition-title {
  color: #0284c7;
}

.post-content .siyuan-widget-placeholder,
.post-content .siyuan-database-placeholder {
  background: linear-gradient(135deg, rgba(100, 116, 139, 0.12), rgba(148, 163, 184, 0.08));
  border-color: #64748b;
}

.post-content .siyuan-widget-placeholder .admonition-title,
.post-content .siyuan-database-placeholder .admonition-title {
  color: #475569;
}

/* Footnotes Styles */
.footnotes {
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
  font-size: var(--text-sm);
  color: var(--text-color-muted);
}

.footnotes ol {
  padding-left: var(--space-6);
}

.footnotes li {
  margin-bottom: var(--space-2);
}

.footnote-ref {
  text-decoration: none;
  font-size: 0.85em;
  vertical-align: super;
  color: var(--color-primary);
  margin: 0 2px;
}

.footnote-backref {
  text-decoration: none;
  font-family: var(--font-mono);
  color: var(--color-primary);
  margin-left: var(--space-2);
}

.footnote-backref:hover {
  text-decoration: underline;
}

.post-content code {
  font-family: var(--font-mono);
  background-color: var(--code-bg);
  padding: 0.2em 0.4em;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
  color: var(--code-text);
  border: 1px solid var(--code-border);
  word-break: break-word;
}

[data-theme="dark"] .post-content code {
  color: var(--code-text);
  background-color: var(--code-bg);
  border-color: var(--code-border);
}

.post-content pre code {
  background-color: transparent;
  padding: 0;
  border: none;
  color: inherit;
  font-size: 0.95em; /* 稍微放大代码块中的字体 */
  line-height: 1.5;
}

.post-content pre {
  max-width: 100%;
  overflow-x: auto;
  background-color: var(--code-bg);
  color: var(--code-text);
  border: 1px solid var(--code-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin: var(--space-6) 0;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1), var(--shadow-md);
}

/* Minimalist Syntax Highlighting */
.post-content pre code {
  color: var(--code-text);
}
.post-content pre code .token.comment,
.post-content pre code .token.prolog,
.post-content pre code .token.doctype,
.post-content pre code .token.cdata {
  color: var(--code-comment);
  font-style: italic;
}
.post-content pre code .token.punctuation,
.post-content pre code .token.operator {
  color: var(--code-operator);
}
.post-content pre code .token.namespace {
  opacity: .7;
}
.post-content pre code .token.property,
.post-content pre code .token.tag,
.post-content pre code .token.boolean,
.post-content pre code .token.number,
.post-content pre code .token.constant,
.post-content pre code .token.symbol,
.post-content pre code .token.deleted {
  color: var(--code-number);
}
.post-content pre code .token.selector,
.post-content pre code .token.attr-name,
.post-content pre code .token.attr-value,
.post-content pre code .token.string,
.post-content pre code .token.char,
.post-content pre code .token.inserted {
  color: var(--code-string);
}
.post-content pre code .token.entity,
.post-content pre code .token.url,
.post-content pre code .language-css .token.string,
.style .post-content pre code .token.string {
  color: var(--code-string);
}
.post-content pre code .token.atrule,
.post-content pre code .token.keyword {
  color: var(--code-keyword);
  font-weight: 500;
}
.post-content pre code .token.type,
.post-content pre code .token.typedef,
.post-content pre code .token.data-type,
.post-content pre code .token.calling-convention {
  color: var(--code-type);
  font-weight: 500;
}
.post-content pre code .token.function,
.post-content pre code .token.builtin,
.post-content pre code .token.class-name {
  color: var(--code-function);
  font-weight: 500;
}
.post-content pre code .token.regex,
.post-content pre code .token.important,
.post-content pre code .token.variable {
  color: var(--code-variable);
}

.post-content pre code .token.semantic-token {
  font-style: normal;
}

.post-content pre code .token.semantic-token.variable {
  color: var(--code-variable);
}

.post-content pre code .token.semantic-token.type,
.post-content pre code .token.semantic-token.calling-convention {
  color: var(--code-type);
}

.post-content pre code .token.semantic-token.asm-keyword {
  color: var(--code-keyword);
  font-weight: 500;
}

.post-content pre code .token.semantic-token.asm-number {
  color: var(--code-number);
}

.post-content pre code .token.semantic-token.asm-string {
  color: var(--code-string);
}

.post-content pre code .token.semantic-token.asm-comment {
  color: var(--code-comment);
}

.post-content pre code .token.semantic-token.generic-comment,
.page-content pre code .token.semantic-token.generic-comment {
  color: var(--code-comment);
  font-style: italic;
}

.post-content pre code .token.semantic-token.generic-keyword,
.page-content pre code .token.semantic-token.generic-keyword {
  color: var(--code-keyword);
  font-weight: 500;
}

.post-content pre code .token.semantic-token.generic-function,
.page-content pre code .token.semantic-token.generic-function {
  color: var(--code-function);
  font-weight: 500;
}

.post-content pre code .token.semantic-token.generic-string,
.page-content pre code .token.semantic-token.generic-string {
  color: var(--code-string);
}

.post-content pre code .token.semantic-token.generic-number,
.page-content pre code .token.semantic-token.generic-number {
  color: var(--code-number);
}

.post-content pre code .c,
.post-content pre code .c1,
.post-content pre code .cm,
.post-content pre code .cp,
.post-content pre code .cpf {
  color: var(--code-comment);
  font-style: italic;
}

.post-content pre code .k,
.post-content pre code .kc,
.post-content pre code .kd,
.post-content pre code .kn,
.post-content pre code .kp,
.post-content pre code .kr {
  color: var(--code-keyword);
  font-weight: 600;
}

.post-content pre code .kt {
  color: var(--code-type);
  font-weight: 500;
}

.post-content pre code .nf,
.post-content pre code .fm {
  color: var(--code-function);
  font-weight: 500;
}

.post-content pre code .n,
.post-content pre code .na,
.post-content pre code .nv,
.post-content pre code .nx {
  color: var(--code-variable);
}

.post-content pre code .nb,
.post-content pre code .nc,
.post-content pre code .bp {
  color: var(--code-function);
}

.post-content pre code .s,
.post-content pre code .s1,
.post-content pre code .s2,
.post-content pre code .sa,
.post-content pre code .sb,
.post-content pre code .sc,
.post-content pre code .sd,
.post-content pre code .se,
.post-content pre code .sh,
.post-content pre code .si,
.post-content pre code .sx {
  color: var(--code-string);
}

.post-content pre code .m,
.post-content pre code .mi,
.post-content pre code .mf,
.post-content pre code .mh,
.post-content pre code .mo,
.post-content pre code .il {
  color: var(--code-number);
}

.post-content pre code .o,
.post-content pre code .ow,
.post-content pre code .p {
  color: var(--code-operator);
}

.post-content table {
  width: 100%;
  max-width: 100%;
  display: table;
  margin: var(--space-6) 0;
  border-collapse: collapse;
}

.post-content th,
.post-content td {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border-color);
}

.post-content th {
  background-color: var(--bg-color-alt);
  font-weight: 600;
  text-align: left;
}

/* Scrollbar styling for code blocks and tables */
.post-content pre::-webkit-scrollbar,
.post-content table::-webkit-scrollbar {
  height: 8px;
  width: 8px;
}

.post-content pre::-webkit-scrollbar-track,
.post-content table::-webkit-scrollbar-track {
  background: var(--hover-bg);
  border-radius: 4px;
}

.post-content pre::-webkit-scrollbar-thumb,
.post-content table::-webkit-scrollbar-thumb {
  background-color: #888;
  border-radius: 4px;
}

.post-content pre::-webkit-scrollbar-thumb:hover,
.post-content table::-webkit-scrollbar-thumb:hover {
  background-color: #555;
}

.page-layout {
  display: block;
  max-width: 800px;
  margin: 0 auto;
}

.post-header {
  margin-bottom: var(--space-8);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-6);
}

.post-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-color);
  gap: var(--space-6);
}

.nav-prev, .nav-next {
  flex: 1;
  display: flex;
}

.nav-next {
  justify-content: flex-end;
}

.post-navigation a {
  display: inline-flex;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-color);
  transition: all var(--transition-normal);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-sm);
  line-height: 1.4;
  max-width: 100%;
}

.post-navigation a:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.author-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--border-color);
}

.author-name {
  font-weight: 700;
  font-size: var(--text-lg);
}

.post-title {
  font-size: var(--text-4xl);
  margin: 0 0 var(--space-3) 0;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.3;
}

.post-sidebar {
  position: relative;
}

.sidebar-author-info {
  background-color: var(--sidebar-bg);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  text-align: center;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
  position: relative; /* Remove static positioning to flow normally */
}

.sidebar-avatar {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 4px solid var(--bg-color);
  margin-bottom: var(--space-3);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: 0 0 0 1px var(--border-color), var(--shadow-md);
}

.sidebar-avatar:hover {
  transform: scale(1.05) rotate(3deg);
  box-shadow: 0 0 0 2px var(--color-primary), var(--shadow-lg);
}

.sidebar-author-name {
  font-weight: 800;
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
  color: var(--text-color);
}

.github-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background-color: var(--text-color);
  color: var(--bg-color);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.github-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--bg-color);
  text-decoration: none;
}

.toc-container {
  position: sticky;
  top: calc(100px + var(--space-16)); /* 进一步增大 top 距离，确保无论怎样滚动顶部圆角都不会被导航栏遮挡 */
  background-color: var(--sidebar-bg);
  padding: var(--space-6) var(--space-6) 0 var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  max-height: calc(100vh - 160px); /* 相应减少高度防止撑到底部 */
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: var(--shadow-sm);
  box-sizing: border-box;
  width: 100%;
}

/* 伪元素确保底部留白能被滚动条识别，防止最后一项内容显示不全（少一点点） */
.toc-container::after {
  content: "";
  display: block;
  height: var(--space-6);
  width: 100%;
}

/* Ensure bottom content isn't cut off by scroll area padding */
.toc-container > *:last-child {
  margin-bottom: 0;
}

.toc-container.toc-right {
  max-height: calc(100vh - 160px); /* 保持一致高度 */
}

.toc-category-name {
  display: flex;
  align-items: center;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-color);
  white-space: normal;
  word-break: break-word;
  width: 100%;
  box-sizing: border-box;
}

.toc-category-name svg {
  flex-shrink: 0;
}

.toc-category-posts {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
  box-sizing: border-box;
  padding-bottom: var(--space-4); /* Add explicit padding at bottom for safe scroll */
}

.toc-subcategory-group {
  margin-bottom: var(--space-1);
  width: 100%;
  box-sizing: border-box;
}

.toc-subcategory-title {
  display: flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-color);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  user-select: none;
  white-space: normal;
  word-break: break-word;
  width: 100%;
  box-sizing: border-box;
}

.toc-subcategory-title:hover {
  background-color: var(--hover-bg);
}

.toc-subcategory-title .folder-icon {
  margin-right: var(--space-2);
  color: var(--color-primary);
  flex-shrink: 0;
}

.toc-subcategory-title .subcat-name {
  flex-grow: 1;
}

.toc-subcategory-title .chevron-icon {
  transition: transform var(--transition-fast);
  color: var(--text-color-muted);
  flex-shrink: 0;
}

.toc-subcategory-group.open > .toc-subcategory-title .chevron-icon {
  transform: rotate(90deg);
}

.toc-subcategory-content {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding-left: var(--space-4);
  margin-top: var(--space-1);
  border-left: 1px solid var(--border-color);
  margin-left: calc(var(--space-3) + 7px);
  width: calc(100% - var(--space-3) - 7px);
  box-sizing: border-box;
}

.toc-subcategory-group.open > .toc-subcategory-content {
  display: flex;
  animation: fadeIn 0.3s ease-in-out;
}

.toc-post-item {
  display: flex;
  flex-direction: column;
  width: 100%;
  box-sizing: border-box;
}

.toc-post-link {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-color);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.4;
  border: 1px solid transparent;
  white-space: normal;
  word-break: break-word;
  box-sizing: border-box;
  width: 100%;
}

.toc-post-link:hover {
  background-color: var(--hover-bg);
  color: var(--color-primary);
}

.toc-post-item.active .toc-post-link {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
  border-color: rgba(37, 99, 235, 0.2);
}

.toc-post-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: var(--space-4);
  line-height: 1.4;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-color);
  white-space: normal;
  word-break: break-word;
  width: 100%;
  box-sizing: border-box;
}

.toc-content-wrapper {
  margin-top: var(--space-2);
  padding-left: var(--space-4);
  padding-bottom: var(--space-4);
  border-left: 1px solid var(--border-color);
  margin-left: var(--space-4);
  width: calc(100% - var(--space-4));
  box-sizing: border-box;
}

.toc-content-wrapper h3 {
  display: none; /* Hide default TOC title if generated by hugo */
}

.toc-container ul {
  list-style: none;
  padding-left: var(--space-3);
  margin: 0;
}

.toc-container > .toc-content-wrapper > nav > ul {
  padding-left: 0;
}

.toc-container a {
  color: var(--text-color-muted);
  text-decoration: none;
  display: block;
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
  padding-left: var(--space-2);
  margin-left: calc(var(--space-2) * -1);
  white-space: normal;
  word-break: break-word;
  line-height: 1.4;
  box-sizing: border-box;
  width: calc(100% + var(--space-2));
}

.toc-container a:hover, .toc-container a.active {
  color: var(--color-primary);
  font-weight: 600;
  border-left-color: var(--color-primary);
  background-color: var(--color-primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.toc-toggle {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--link-color);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 20px;
  z-index: 1002;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.site-footer {
  text-align: center;
  padding: 20px;
  border-top: 1px solid var(--border-color);
  margin-top: 40px;
}

/* Comments */
.comments {
  margin-top: var(--space-12);
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-8);
}

.comments h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  color: var(--text-color);
  position: relative;
  display: inline-block;
}

.comments h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 40px;
  height: 4px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

#giscus-container {
  min-height: 250px;
  border-radius: var(--radius-lg);
  background-color: var(--bg-color-alt);
  padding: var(--space-4);
  box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.02);
}

.giscus-status {
  display: flex;
  align-items: center;
  min-height: 96px;
  margin: 0;
  padding: var(--space-4);
  color: var(--text-color-muted);
  background: var(--card-bg);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  line-height: 1.7;
}

.giscus-status.is-error {
  color: #b91c1c;
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.35);
}

[data-theme="dark"] .giscus-status.is-error {
  color: #fca5a5;
  background: rgba(248, 113, 113, 0.12);
  border-color: rgba(248, 113, 113, 0.35);
}

.giscus-local-notice {
  margin: 0;
  color: var(--text-color-muted);
  line-height: 1.7;
}

/* Categories and Archives */
.terms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.term-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
}

.term-title {
  margin-top: 0;
  font-size: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.term-title .count {
  color: #888;
  font-size: 1rem;
}

.term-recent {
  list-style: none;
  padding-left: 0;
}

.term-recent li {
  margin-bottom: 10px;
  display: flex;
  gap: 10px;
}

.term-recent .date {
  color: #888;
  font-size: 0.9rem;
  min-width: 50px;
}

.more-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.9rem;
}

.archives-timeline {
  margin-top: 30px;
  border-left: 2px solid var(--border-color);
  padding-left: 20px;
}

.archive-group {
  margin-bottom: 40px;
}

.archive-month {
  font-size: 1.8rem;
  margin-bottom: 15px;
  position: relative;
}

.archive-month::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background-color: var(--link-color);
  border-radius: 50%;
  border: 2px solid var(--bg-color);
}

.archive-list {
  list-style: none;
  padding-left: 0;
}

.archive-list li {
  margin-bottom: 15px;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 15px;
}

.archive-list .date {
  color: #888;
  font-size: 0.9rem;
}

.archive-flat-page {
  width: min(100%, 980px);
  margin: 0 auto;
}

.archive-flat-page .section-title {
  margin-bottom: var(--space-5);
}

.archive-flat-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border-color);
}

.archive-flat-list li {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-4);
  min-height: 38px;
  border-bottom: 1px solid var(--border-color);
}

.archive-flat-list time {
  color: var(--text-color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1;
}

.archive-flat-list a {
  color: var(--text-color);
  font-size: var(--text-sm);
  line-height: 1.45;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.archive-flat-list a:hover {
  color: var(--color-primary);
}

@media (max-width: 640px) {
  .archive-flat-list li {
    grid-template-columns: 1fr;
    gap: var(--space-1);
    padding: var(--space-2) 0;
  }
}

/* Post Footer Widgets (Categories & Archives) */
.post-footer-widgets {
  margin-top: 50px;
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
}

.widget-categories h3, .widget-archives h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.categories-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.category-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 15px;
}

.category-card h4 {
  margin-top: 0;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.recent-in-category {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.recent-in-category li {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.recent-in-category .date {
  color: #888;
  min-width: 45px;
}

.widget-archives {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.archives-header {
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background-color: var(--hover-bg);
  transition: background-color 0.2s;
}

.archives-header:hover {
  background-color: var(--border-color);
}

.archives-header h3 {
  margin: 0;
}

.archives-header .toggle-icon {
  transition: transform 0.3s;
}

.archives-header.open .toggle-icon {
  transform: rotate(180deg);
}

.archives-content {
  padding: 0 20px;
  max-height: 500px;
  overflow-y: auto;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
}

.archives-content.collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
}

.archive-group h4 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--link-color);
}

/* ==========================================================================
   Page Transitions & Loading
   ========================================================================== */
#nprogress {
  pointer-events: none;
}
#nprogress .bar {
  background: var(--color-primary);
  position: fixed;
  z-index: 3100;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  transition: width 240ms ease;
}
#nprogress .peg {
  display: block;
  position: absolute;
  right: 0px;
  width: 100px;
  height: 100%;
  box-shadow: 0 0 10px var(--color-primary), 0 0 5px var(--color-primary);
  opacity: 1.0;
  transform: rotate(3deg) translate(0px, -4px);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 2500;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(circle at 50% 28%, rgba(59, 130, 246, 0.16), transparent 34%),
    rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(0);
  -webkit-backdrop-filter: blur(0);
  transition: opacity 220ms ease, backdrop-filter 220ms ease, -webkit-backdrop-filter 220ms ease;
}

[data-theme="light"] body::before {
  background:
    radial-gradient(circle at 50% 28%, rgba(37, 99, 235, 0.14), transparent 34%),
    rgba(248, 250, 252, 0.64);
}

body.page-ready .site-main {
  animation: pageEnter 260ms ease both;
}

body.page-leaving::before {
  opacity: 1;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

body.page-leaving .site-header,
body.page-leaving .site-main,
body.page-leaving .site-footer {
  opacity: 0;
  filter: blur(4px);
  transform: translateY(8px) scale(0.99);
  pointer-events: none;
}

body.loading-page main {
  opacity: 0.6;
  pointer-events: none;
  filter: blur(2px);
  transform: scale(0.99);
}

.site-header,
main,
.site-footer {
  transition: opacity var(--transition-normal), filter var(--transition-normal), transform var(--transition-normal);
  will-change: opacity, filter, transform;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(8px);
    filter: blur(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-color-alt) 25%, var(--border-color) 50%, var(--bg-color-alt) 75%);
  background-size: 200% 100%;
  animation: skeletonLoading 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes skeletonLoading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Category Tree Page */
.category-index-page {
  width: min(100%, 980px);
  margin: 0 auto;
}

.category-index-hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.category-index-hero .page-title {
  margin: 0;
}

.category-index-hero p {
  margin: 0 0 0.25rem;
  color: var(--text-color-muted);
  font-size: var(--text-sm);
}

.category-index-list {
  display: grid;
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.category-index-group {
  display: grid;
  gap: var(--space-4);
}

.category-index-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
}

.category-index-header h2 {
  margin: 0;
  font-size: var(--text-2xl);
  line-height: 1.25;
  color: var(--text-color);
  overflow-wrap: anywhere;
}

.category-index-header span {
  flex-shrink: 0;
  color: var(--text-color-muted);
  font-size: var(--text-sm);
}

.category-index-content {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-3);
}

.category-index-content .category-posts.direct-posts {
  margin-bottom: 0;
}

.category-index-content .category-posts .post-item {
  margin: 0;
  padding: 0;
  min-height: 38px;
  border-radius: 0;
  border-bottom: 1px solid var(--border-color);
}

.category-index-content .category-posts .post-item:hover {
  background: transparent;
}

.category-index-content .category-posts .post-date {
  width: 112px;
  font-size: var(--text-xs);
  color: var(--text-color-muted);
  font-family: var(--font-mono);
}

.category-index-content .category-posts .post-link {
  flex: 1;
  padding: var(--space-2) 0;
  color: var(--text-color);
  font-size: var(--text-sm);
  line-height: 1.45;
}

.category-index-content .category-posts .post-link:hover {
  color: var(--color-primary);
}

.category-index-content .subcategory-group {
  margin: var(--space-4) 0 0;
}

.category-index-content .subcategory-content {
  display: block;
}

@media (max-width: 768px) {
  .category-index-hero,
  .category-index-header {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-2);
  }

  .category-index-content .category-posts .post-item {
    min-height: 0;
    padding: var(--space-2) 0;
  }

  .category-index-content .category-posts .post-date {
    width: auto;
    margin-bottom: 0;
  }

  .category-index-content .category-posts .post-link {
    padding: 0;
  }
}

.category-tree-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.category-group {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
}

.category-group:hover {
  box-shadow: var(--shadow-md);
}

.category-header {
  padding: var(--space-4) var(--space-6);
  cursor: pointer;
  user-select: none;
  background-color: var(--card-bg);
  transition: background-color var(--transition-fast);
  border-bottom: 1px solid transparent;
  outline: none;
}

.category-header:focus-visible {
  box-shadow: inset 0 0 0 2px var(--color-primary);
}

.category-header:hover {
  background-color: var(--hover-bg);
}

.category-group.open .category-header {
  border-bottom-color: var(--border-color);
  background-color: var(--bg-color-alt);
}

.category-title {
  display: flex;
  align-items: center;
  font-size: var(--text-xl);
  font-weight: 700;
  margin: 0;
  color: var(--text-color);
}

.category-title .folder-icon {
  margin-right: var(--space-3);
  color: var(--color-primary);
}

.category-title span {
  flex-grow: 1;
}

.category-count,
.subcategory-count {
  flex-shrink: 0;
  margin-right: var(--space-3);
  color: var(--text-color-muted);
  font-size: var(--text-xs);
  font-weight: 500;
}

.category-title .chevron-icon {
  transition: transform var(--transition-normal);
  color: var(--text-color-muted);
}

.category-group.open .chevron-icon {
  transform: rotate(180deg);
}

.category-content {
  display: none;
  padding: var(--space-6);
  background-color: var(--bg-color);
}

.category-group.open .category-content {
  display: block;
  animation: slideDown 0.3s ease-out forwards;
}

.subcategory-group {
  margin-bottom: var(--space-6);
  padding-left: var(--space-4);
  border-left: 2px solid var(--border-color);
}

.subcategory-group:last-child {
  margin-bottom: 0;
}

.subcategory-title {
  display: flex;
  align-items: center;
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-color);
  margin: 0 0 var(--space-4) 0;
  cursor: pointer;
  user-select: none;
  outline: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.subcategory-title:focus-visible {
  box-shadow: 0 0 0 2px var(--color-primary);
}

.subcategory-title:hover {
  background-color: var(--hover-bg);
}

.subcategory-name {
  flex-grow: 1;
}

.subcategory-group .subcategory-content {
  display: none;
}

.subcategory-group.open > .subcategory-content {
  display: block;
  animation: slideDown 0.3s ease-out forwards;
}

.subcategory-group .category-posts {
  display: block;
}

.subcategory-group.open > .subcategory-title .chevron-icon-sub {
  transform: rotate(180deg);
}

.subcategory-title svg {
  margin-right: var(--space-2);
  color: var(--color-primary);
}

.category-posts {
  list-style: none;
  padding: 0;
  margin: 0;
}

.category-posts.direct-posts {
  margin-bottom: var(--space-6);
}

.category-posts .post-item {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.category-posts .post-item:hover {
  background-color: var(--hover-bg);
}

.category-posts .post-date {
  font-size: var(--text-sm);
  color: var(--text-color-muted);
  width: 90px;
  flex-shrink: 0;
  font-family: monospace;
}

.category-posts .post-link {
  font-size: var(--text-md);
  color: var(--text-color);
  text-decoration: none;
  transition: color var(--transition-fast);
  white-space: normal;
  word-break: break-word;
}

.category-posts .post-link:hover {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .category-posts .post-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .category-posts .post-date {
    margin-bottom: var(--space-1);
  }
}

/* Responsive */
.mobile-sidebar-toggle {
  display: none;
  width: 100%;
  padding: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 16px;
  cursor: pointer;
  text-align: center;
  color: var(--text-color);
  min-height: 44px; /* Touch target */
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}

.close-sidebar-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 24px;
  cursor: pointer;
  position: absolute;
  top: 10px;
  right: 15px;
  padding: 10px; /* Touch target */
}

@media (max-width: 1400px) {
  .post-layout.three-column {
    grid-template-columns: 280px minmax(0, 1fr) 280px;
    gap: var(--space-6);
  }
}

@media (max-width: 1200px) {
  .post-layout.three-column {
    grid-template-columns: 240px minmax(0, 1fr) 240px;
    gap: var(--space-4);
  }
}

@media (max-width: 1024px) {
  .list-layout {
    grid-template-columns: 1fr 280px;
    gap: var(--space-6);
  }
  .post-layout {
    grid-template-columns: 1fr 280px;
    gap: var(--space-6);
  }
  .post-layout.three-column {
    grid-template-columns: 1fr 280px; /* 退化为两栏 */
  }
  .post-layout.three-column .post-sidebar-left {
    display: none; /* 平板隐藏左侧，只留右侧目录 */
  }
  .post-cards {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .site-header {
    padding: var(--space-2) 0;
  }
  
  .post-layout, .list-layout, .post-layout.three-column {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .post-sidebar-left,
  .post-sidebar-right {
    display: none; /* Hidden by default on mobile */
  }

  .mobile-sidebar-toggle {
    display: block;
    margin-bottom: var(--space-4);
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: background-color var(--transition-fast);
  }
  
  .mobile-sidebar-toggle:active {
    background-color: var(--hover-bg);
  }
  
  .list-sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-color);
    z-index: 1000;
    overflow-y: auto;
    transition: right var(--transition-normal);
    padding: var(--space-16) var(--space-4) var(--space-4) var(--space-4);
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
  }

  .list-sidebar.open {
    right: 0;
  }

  .sidebar-overlay.show {
    display: block;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
  }

  .close-sidebar-btn {
    display: block;
    top: var(--space-4);
    right: var(--space-4);
    background-color: var(--bg-color-alt);
    border-radius: var(--radius-full);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
  }
  
  .close-sidebar-btn:active {
    transform: scale(0.9);
  }
  
  .post-sidebar-left.show-toc,
  .post-sidebar-right.show-toc {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1001;
    animation: fadeIn 0.3s ease-out;
  }
  
  .post-sidebar-left.show-toc .toc-container,
  .post-sidebar-right.show-toc .toc-container {
    position: absolute;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 70vh;
    padding-bottom: var(--space-6); /* 给移动端弹出的目录底部多加点内边距 */
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    background-color: var(--bg-color);
    box-shadow: 0 -10px 40px rgba(0,0,0,0.2);
    transform: translateY(100%);
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
  
  @keyframes slideUp {
    to { transform: translateY(0); }
  }
  
  .toc-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    bottom: var(--space-6);
    width: 50px;
    height: 50px;
    padding: 0;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-fast);
    z-index: 1002;
  }

  .toc-toggle.right {
    right: var(--space-6);
  }

  .toc-toggle.left {
    left: var(--space-6);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-fast);
  }
  
  .toc-toggle:active {
    transform: scale(0.9);
  }
  
  .header-container {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .search-container {
    width: 100%;
    margin: 0;
    max-width: 100%;
  }
  
  .site-nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  .hero-title {
    font-size: var(--text-3xl);
    line-height: 1.25;
    overflow-wrap: anywhere;
  }

  .hero-title .gradient-text {
    display: block;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .section-header .section-title {
    width: 100%;
  }

  .view-all {
    align-self: flex-start;
  }
}

@media (max-width: 480px) {
  .site-main {
    padding: 24px 16px;
  }

  .hero {
    padding: 48px 16px;
    margin: 0 auto;
  }

  .hero-title {
    font-size: var(--text-3xl);
    line-height: 1.25;
    overflow-wrap: anywhere;
  }

  .hero-title .gradient-text {
    display: block;
  }

  .hero-socials {
    flex-wrap: wrap;
  }

  .hero-btn {
    min-width: 132px;
  }

  .empty-state {
    padding: var(--space-6);
  }
}

/* Markdown List Styling */
.post-content ul,
.post-content ol,
.page-content ul,
.page-content ol {
  padding-left: 2em;
  margin-bottom: 1.5em;
  list-style-position: outside;
}

.post-content li,
.page-content li {
  margin-bottom: 0.5em;
  line-height: 1.6;
  display: list-item;
}

.post-content ul > li,
.page-content ul > li {
  list-style-type: disc;
}

.post-content ul > li > ul > li,
.page-content ul > li > ul > li {
  list-style-type: circle;
}

.post-content ul > li > ul > li > ul > li,
.page-content ul > li > ul > li > ul > li {
  list-style-type: square;
}

.post-content ol > li,
.page-content ol > li {
  list-style-type: decimal;
}

.post-content ol > li > ol > li,
.page-content ol > li > ol > li {
  list-style-type: lower-alpha;
}

.post-content ol > li > ol > li > ol > li,
.page-content ol > li > ol > li > ol > li {
  list-style-type: lower-roman;
}

.post-content li > p,
.page-content li > p {
  margin-top: 0;
  margin-bottom: 0.5em;
}

/* Code Block Copy Button */
.code-block-wrapper {
  position: relative;
  margin-bottom: 1.5em;
}

.code-block-wrapper pre {
  margin-bottom: 0;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 6px 10px;
  font-size: 0.8rem;
  color: var(--text-color);
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.2s, color 0.2s;
  z-index: 10;
}

.code-block-wrapper:hover .copy-btn,
.copy-btn:focus {
  opacity: 1;
  visibility: visible;
}

.copy-btn:hover {
  background-color: var(--hover-bg);
}

.copy-btn.copied {
  background-color: #4caf50;
  color: white;
  border-color: #4caf50;
}

/* Graceful Degradation / Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-in {
    animation: none !important;
    opacity: 1 !important;
  }
  .site-loader-avatar,
  .site-loader-bar,
  #search-input.is-searching {
    animation: none !important;
  }
}


/* ==========================================================================
   Enhanced Markdown Elements
   ========================================================================== */

/* Mark / Highlight */
mark, .post-content mark {
  background-color: rgba(250, 204, 21, 0.4);
  color: inherit;
  padding: 0.1em 0.3em;
  border-radius: var(--radius-sm);
}
[data-theme="dark"] mark, [data-theme="dark"] .post-content mark {
  background-color: rgba(250, 204, 21, 0.2);
}

/* Keyboard keys (kbd) */
kbd {
  display: inline-block;
  padding: 0.15em 0.4em;
  font-size: 0.85em;
  font-family: var(--font-mono);
  color: var(--text-color);
  background-color: var(--bg-color-alt);
  border: 1px solid var(--border-color);
  border-bottom-color: var(--text-color-muted);
  border-radius: var(--radius-sm);
  box-shadow: inset 0 -1px 0 var(--border-color);
}

/* Details / Summary */
details {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin: var(--space-4) 0;
}
details summary {
  font-weight: 600;
  cursor: pointer;
  outline: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
details summary:hover {
  color: var(--color-primary);
}
details[open] summary {
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-2);
}

/* Code block language label & macOS style dots */
.code-block-wrapper {
  position: relative;
  margin: var(--space-6) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: var(--code-bg);
  border: 1px solid var(--code-border);
}
.code-block-wrapper::before {
  content: attr(data-lang);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  background-color: var(--bg-color-alt);
  border-bottom: 1px solid var(--code-border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-color-muted);
  text-transform: uppercase;
  font-weight: 600;
}
.code-block-wrapper::after {
  content: '';
  position: absolute;
  top: 12px;
  left: 16px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ff5f56;
  box-shadow: 20px 0 0 #ffbd2e, 40px 0 0 #27c93f;
}
.code-block-wrapper pre {
  margin: 0 !important;
  border: none !important;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg) !important;
  box-shadow: none !important;
}

.post-content .mermaid,
.page-content .mermaid {
  margin: var(--space-6) 0;
  padding: var(--space-5);
  overflow-x: auto;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.post-content .mermaid svg,
.page-content .mermaid svg {
  max-width: 100%;
  height: auto;
}

.code-block-wrapper.code-terminal::before {
  content: "TERMINAL";
  justify-content: flex-start;
  padding-left: 72px;
  color: #22c55e;
}

.code-block-wrapper.code-terminal pre {
  background: #050816 !important;
}

.code-block-wrapper.code-terminal pre::before {
  content: attr(data-prompt);
  display: inline-block;
  margin-right: var(--space-2);
  color: #22c55e;
  font-family: var(--font-mono);
  font-weight: 700;
}

.code-block-wrapper.code-filetree::before {
  content: "FILE TREE";
  justify-content: flex-start;
  padding-left: 72px;
  color: #60a5fa;
}

.code-block-wrapper.code-filetree pre {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.94)) !important;
}

.code-block-wrapper.code-filetree code {
  color: #dbeafe;
}

/* Copy Button Adjustments inside wrapper */
.code-block-wrapper .copy-btn {
  position: absolute;
  top: 4px;
  right: 8px;
  padding: 4px 8px;
  font-size: 0.75rem;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-color-muted);
  cursor: pointer;
  opacity: 0;
  transition: all var(--transition-fast);
  z-index: 10;
}
.code-block-wrapper:hover .copy-btn {
  opacity: 1;
}
.code-block-wrapper .copy-btn:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* SiYuan-like article reading surface */
.site-main:has(.post-layout.three-column:not(.page-layout)) {
  max-width: none;
  padding: 22px 24px 44px;
  background: var(--bg-color);
}

.post-layout.three-column:not(.page-layout) {
  grid-template-columns: minmax(220px, 260px) minmax(0, 880px) minmax(220px, 260px);
  justify-content: center;
  align-items: start;
  max-width: 1480px;
  gap: 24px;
}

.post-layout.three-column:not(.page-layout) .post-sidebar-left,
.post-layout.three-column:not(.page-layout) .post-sidebar-right {
  display: block;
  position: sticky;
  top: 92px;
  align-self: start;
  max-height: calc(100vh - 118px);
  z-index: 1;
}

.post-layout.three-column:not(.page-layout) .post-sidebar-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 0;
}

.post-layout.three-column:not(.page-layout) .post-sidebar-left {
  max-height: calc(100vh - 244px);
}

.post-layout.three-column:not(.page-layout) .toc-container,
.post-layout.three-column:not(.page-layout) .sidebar-author-info {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: none;
}

.post-layout.three-column:not(.page-layout) .toc-container {
  position: static;
  top: auto;
  max-height: calc(100vh - 118px);
  padding: 16px 16px 0;
}

.post-layout.three-column:not(.page-layout) .sidebar-author-info {
  flex: 0 0 auto;
  margin-bottom: 0;
  padding: 20px 16px;
}

.post-layout.three-column:not(.page-layout) .post-sidebar-right .toc-container {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
}

.post-layout.three-column:not(.page-layout) .post-sidebar-left .toc-container {
  max-height: calc(100vh - 244px);
}

.post-layout.three-column:not(.page-layout) .sidebar-avatar {
  width: 82px;
  height: 82px;
  border-width: 3px;
}

.post-layout.three-column:not(.page-layout) .sidebar-author-name {
  font-size: 1rem;
}

.post-layout.three-column:not(.page-layout) .post-content-container {
  background: var(--card-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 32px 38px;
}

.post-layout.three-column:not(.page-layout) .post-header {
  margin-bottom: 20px;
  padding-bottom: 0;
  border-bottom: 0;
}

.post-layout.three-column:not(.page-layout) .post-title {
  margin: 0;
  color: var(--text-color);
  font-size: 1.72rem;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.post-layout.three-column:not(.page-layout) .post-meta {
  display: none;
}

.post-layout.three-column:not(.page-layout) .post-content {
  color: var(--text-color);
  font-size: 1rem;
  line-height: 1.68;
}

.post-layout.three-column:not(.page-layout) .post-content p {
  margin: 0 0 12px;
  text-align: left;
}

.post-layout.three-column:not(.page-layout) .post-content h2,
.post-layout.three-column:not(.page-layout) .post-content h3,
.post-layout.three-column:not(.page-layout) .post-content h4 {
  color: var(--text-color);
  margin-top: 34px;
  margin-bottom: 10px;
  border-bottom-color: var(--border-color);
  letter-spacing: 0;
}

.post-layout.three-column:not(.page-layout) .post-content h2 {
  font-size: 1.12rem;
}

.post-layout.three-column:not(.page-layout) .post-content h3 {
  font-size: 1rem;
}

.post-layout.three-column:not(.page-layout) .post-content h4 {
  font-size: 0.94rem;
}

.post-layout.three-column:not(.page-layout) .post-content blockquote {
  margin: 0 0 12px;
  padding: 0 0 0 8px;
  background: transparent;
  border-left: 2px solid var(--border-color);
  border-radius: 0;
  color: var(--text-color-muted);
  font-size: 1rem;
  font-style: normal;
}

.post-layout.three-column:not(.page-layout) .post-content blockquote p {
  margin-bottom: 0;
}

.post-layout.three-column:not(.page-layout) .post-content code {
  color: var(--text-color);
  background: var(--bg-color-alt);
  border: 0;
  border-radius: 4px;
  font-size: 0.88em;
}

.post-layout.three-column:not(.page-layout) .post-content pre,
.post-layout.three-column:not(.page-layout) .code-block-wrapper {
  background: var(--code-bg);
  border: 0;
  border-radius: 6px;
  box-shadow: none;
}

.post-layout.three-column:not(.page-layout) .code-block-wrapper {
  margin: 10px 0 14px;
  overflow: hidden;
}

.post-layout.three-column:not(.page-layout) .code-block-wrapper::before,
.post-layout.three-column:not(.page-layout) .code-block-wrapper::after {
  display: none;
}

.post-layout.three-column:not(.page-layout) .code-block-wrapper pre,
.post-layout.three-column:not(.page-layout) .post-content pre {
  margin: 0 !important;
  padding: 16px 18px !important;
  border: 0 !important;
  border-radius: 6px !important;
  background: var(--code-bg) !important;
  color: var(--code-text) !important;
  box-shadow: none !important;
}

.post-layout.three-column:not(.page-layout) .post-content pre code {
  color: var(--code-text);
  font-size: 0.86rem;
  line-height: 1.5;
  background: transparent;
}

.post-layout.three-column:not(.page-layout) .code-block-wrapper.code-text-wrap,
.post-layout.three-column:not(.page-layout) .code-block-wrapper.code-text-wrap pre,
.post-layout.three-column:not(.page-layout) .post-content pre.code-text-wrap {
  overflow-x: hidden;
}

.post-layout.three-column:not(.page-layout) .code-block-wrapper.code-text-wrap pre code,
.post-layout.three-column:not(.page-layout) .post-content pre.code-text-wrap code {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.comment,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.prolog,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.doctype,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.cdata {
  color: var(--code-comment);
  font-style: normal;
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.keyword,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.atrule {
  color: var(--code-keyword);
  font-weight: 500;
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.type,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.typedef,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.data-type,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.calling-convention {
  color: var(--code-type);
  font-weight: 500;
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.string,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.attr-value,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.char,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.inserted {
  color: var(--code-string);
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.number,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.boolean,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.constant,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.symbol {
  color: var(--code-number);
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.function,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.builtin,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.class-name {
  color: var(--code-function);
  font-weight: 500;
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.variable,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.semantic-token.variable {
  color: var(--code-variable);
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.semantic-token.generic-comment {
  color: var(--code-comment);
  font-style: italic;
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.semantic-token.generic-keyword {
  color: var(--code-keyword);
  font-weight: 500;
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.semantic-token.generic-function {
  color: var(--code-function);
  font-weight: 500;
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.semantic-token.generic-string {
  color: var(--code-string);
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.semantic-token.generic-number {
  color: var(--code-number);
}

.post-layout.three-column:not(.page-layout) .post-content pre code .token.operator,
.post-layout.three-column:not(.page-layout) .post-content pre code .token.punctuation {
  color: var(--code-operator);
}

.post-layout.three-column:not(.page-layout) .post-figure .post-img {
  max-width: 76%;
  border-radius: 6px;
  box-shadow: none;
  border: 1px solid var(--border-color);
}

.post-layout.three-column:not(.page-layout) .post-figure {
  margin: 12px 0 16px;
}

.post-layout.three-column:not(.page-layout) .post-content table {
  color: var(--text-color);
  border-color: var(--border-color);
}

.post-layout.three-column:not(.page-layout) .post-content th {
  background: var(--bg-color-alt);
}

.post-layout.three-column:not(.page-layout) .post-navigation a,
.post-layout.three-column:not(.page-layout) .comments {
  background: var(--card-bg);
  color: var(--text-color);
}

@media (max-width: 1500px) and (min-width: 1181px) {
  .site-main:has(.post-layout.three-column:not(.page-layout)) {
    padding: 18px 18px 40px;
  }

  .post-layout.three-column:not(.page-layout) {
    grid-template-columns: minmax(170px, 190px) minmax(0, 790px) minmax(170px, 190px);
    max-width: 1202px;
    gap: 16px;
  }

  .post-layout.three-column:not(.page-layout) .post-content-container {
    padding: 30px 34px;
  }

  .post-layout.three-column:not(.page-layout) .toc-container {
    padding: 14px 14px 0;
  }

  .post-layout.three-column:not(.page-layout) .sidebar-author-info {
    padding: 16px 12px;
  }

  .post-layout.three-column:not(.page-layout) .sidebar-avatar {
    width: 70px;
    height: 70px;
  }

  .post-layout.three-column:not(.page-layout) .sidebar-author-name {
    font-size: 0.95rem;
  }
}

@media (max-width: 1180px) {
  .post-layout.three-column:not(.page-layout) {
    grid-template-columns: minmax(0, 900px);
    max-width: 940px;
  }

  .post-layout.three-column:not(.page-layout) .post-sidebar-left,
  .post-layout.three-column:not(.page-layout) .post-sidebar-right {
    display: none;
  }
}

@media (max-width: 768px) {
  .site-main:has(.post-layout.three-column:not(.page-layout)) {
    padding: 12px 10px 32px;
  }

  .post-layout.three-column:not(.page-layout) .post-sidebar-left,
  .post-layout.three-column:not(.page-layout) .post-sidebar-right {
    display: block;
    position: fixed;
    width: 0;
    height: 0;
    overflow: visible;
    z-index: 1002;
  }

  .post-layout.three-column:not(.page-layout) .post-sidebar-left:not(.show-toc) .toc-container,
  .post-layout.three-column:not(.page-layout) .post-sidebar-right:not(.show-toc) .toc-container,
  .post-layout.three-column:not(.page-layout) .post-sidebar-right:not(.show-toc) .sidebar-author-info {
    display: none;
  }

  .post-layout.three-column:not(.page-layout) .post-sidebar-left.show-toc,
  .post-layout.three-column:not(.page-layout) .post-sidebar-right.show-toc {
    display: block;
    position: fixed;
    inset: 0;
    width: auto;
    height: auto;
    overflow: visible;
  }

  .post-layout.three-column:not(.page-layout) .post-sidebar-right.show-toc .sidebar-author-info {
    display: none;
  }

  .post-layout.three-column:not(.page-layout) .post-sidebar-left.show-toc .toc-container,
  .post-layout.three-column:not(.page-layout) .post-sidebar-right.show-toc .toc-container {
    position: absolute;
    top: auto;
    bottom: 0;
    max-height: 70vh;
    padding: var(--space-6);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }

  .post-layout.three-column:not(.page-layout) .post-content-container {
    padding: 22px 18px;
  }

  .post-layout.three-column:not(.page-layout) .post-title {
    font-size: 1.42rem;
  }

  .post-layout.three-column:not(.page-layout) .post-content {
    font-size: 0.96rem;
  }

  .post-layout.three-column:not(.page-layout) .code-block-wrapper pre,
  .post-layout.three-column:not(.page-layout) .post-content pre {
    padding: 14px 14px !important;
  }

  .post-layout.three-column:not(.page-layout) .post-content pre code {
    font-size: 0.82rem;
  }

  .post-layout.three-column:not(.page-layout) .post-figure .post-img {
    max-width: 100%;
  }
}

/* Task Lists */
.post-content ul.task-list, .post-content ul.contains-task-list {
  list-style: none;
  padding-left: 0;
}
.post-content ul.task-list li, .post-content ul.contains-task-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.post-content ul.task-list input[type="checkbox"], .post-content ul.contains-task-list input[type="checkbox"] {
  margin-top: 0.35em;
  width: 1.1em;
  height: 1.1em;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.definition-list-card {
  margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-5);
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.definition-list-card dt {
  font-weight: 700;
  color: var(--text-color);
  margin-top: var(--space-3);
}

.definition-list-card dt:first-child {
  margin-top: 0;
}

.definition-list-card dd {
  margin: var(--space-1) 0 var(--space-3) var(--space-4);
  color: var(--text-color-muted);
}

.post-content sup,
.page-content sup {
  line-height: 0;
}

.post-content sup a,
.page-content sup a {
  padding: 0.05em 0.3em;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-light);
  text-decoration: none;
  font-size: 0.8em;
}

.standalone-link-card {
  padding: 0 !important;
  margin: var(--space-6) 0 !important;
}

.standalone-link-card .standalone-link-main {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  color: var(--text-color);
  line-height: 1.45;
  text-decoration: none;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.standalone-link-card .standalone-link-main:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.standalone-link-domain {
  color: var(--text-color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.post-content .heading-anchor {
  margin-left: var(--space-2);
  color: var(--text-color-muted);
  font-size: 0.82em;
  opacity: 0;
  text-decoration: none;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.post-content h1:hover .heading-anchor,
.post-content h2:hover .heading-anchor,
.post-content h3:hover .heading-anchor,
.post-content h4:hover .heading-anchor,
.post-content h5:hover .heading-anchor,
.post-content h6:hover .heading-anchor,
.post-content .heading-anchor:focus {
  opacity: 1;
}

.post-content .heading-anchor:hover {
  color: var(--color-primary);
}

/* Responsive Embeds / Iframes */
.embed-responsive {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: var(--space-6) 0;
}
.embed-responsive::before {
  display: block;
  content: "";
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
}
.embed-responsive iframe,
.embed-responsive embed,
.embed-responsive object,
.embed-responsive video {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.post-content audio {
  width: 100%;
  margin: var(--space-5) 0;
  border-radius: var(--radius-md);
}

/* External Links and Anchor Links */
.post-content a[href^="http"]::after {
  content: '';
  display: inline-block;
  width: 0.8em;
  height: 0.8em;
  margin-left: 0.25em;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'%3E%3C/path%3E%3Cpolyline points='15 3 21 3 21 9'%3E%3C/polyline%3E%3Cline x1='10' y1='14' x2='21' y2='3'%3E%3C/line%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.7;
  vertical-align: middle;
}
[data-theme="dark"] .post-content a[href^="http"]::after {
  filter: invert(1);
}

.post-content h1:hover .anchor,
.post-content h2:hover .anchor,
.post-content h3:hover .anchor,
.post-content h4:hover .anchor,
.post-content h5:hover .anchor,
.post-content h6:hover .anchor {
  opacity: 1;
}

.post-content .anchor {
  float: left;
  margin-left: -1.2em;
  padding-right: 0.4em;
  opacity: 0;
  transition: opacity var(--transition-fast);
  text-decoration: none;
  color: var(--color-primary-light);
}

.post-content .anchor:hover {
  color: var(--color-primary);
}

.post-content .anchor::before {
  content: '#';
}

/* Image Gallery / Grid */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.gallery-item {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  border-radius: 0;
  box-shadow: none;
}

body.medium-zoom--opened {
  overscroll-behavior: contain;
}

.medium-zoom-image--opened {
  cursor: zoom-out;
  touch-action: none;
  user-select: none;
  -webkit-user-drag: none;
}

body.image-zoom-can-pan .medium-zoom-image--opened {
  cursor: grab;
}

body.image-zoom-panning .medium-zoom-image--opened {
  cursor: grabbing;
}

/* IDA-like pseudocode coloring */
.post-content pre:has(> code.ida-pseudocode),
.page-content pre:has(> code.ida-pseudocode),
.code-block-wrapper:has(code.ida-pseudocode) pre,
.post-layout.three-column:not(.page-layout) .post-content pre:has(> code.ida-pseudocode),
.post-layout.three-column:not(.page-layout) .code-block-wrapper:has(code.ida-pseudocode) pre {
  background: var(--ida-bg) !important;
  color: var(--ida-text) !important;
  border: 1px solid var(--ida-border) !important;
  box-shadow: none !important;
}

.post-content pre code.ida-pseudocode,
.page-content pre code.ida-pseudocode,
.post-layout.three-column:not(.page-layout) .post-content pre code.ida-pseudocode {
  color: var(--ida-text) !important;
  font-family: Consolas, "Courier New", var(--font-mono);
  font-weight: 400;
}

.post-content pre code.ida-pseudocode .token.comment,
.post-content pre code.ida-pseudocode .token.prolog,
.post-content pre code.ida-pseudocode .token.doctype,
.post-content pre code.ida-pseudocode .token.cdata,
.post-content pre code.ida-pseudocode .token.semantic-token.asm-comment,
.page-content pre code.ida-pseudocode .token.comment {
  color: var(--ida-comment) !important;
  font-style: normal !important;
}

.post-content pre code.ida-pseudocode .token.keyword,
.post-content pre code.ida-pseudocode .token.atrule,
.post-content pre code.ida-pseudocode .token.semantic-token.keyword {
  color: var(--ida-keyword) !important;
  font-weight: 500;
}

.post-content pre code.ida-pseudocode .token.type,
.post-content pre code.ida-pseudocode .token.typedef,
.post-content pre code.ida-pseudocode .token.data-type,
.post-content pre code.ida-pseudocode .token.semantic-token.type {
  color: var(--ida-type) !important;
  font-weight: 500;
}

.post-content pre code.ida-pseudocode .token.calling-convention,
.post-content pre code.ida-pseudocode .token.semantic-token.calling-convention {
  color: var(--ida-callconv) !important;
  font-weight: 400;
}

.post-content pre code.ida-pseudocode .token.function,
.post-content pre code.ida-pseudocode .token.builtin,
.post-content pre code.ida-pseudocode .token.class-name,
.post-content pre code.ida-pseudocode .token.semantic-token.function {
  color: var(--ida-function) !important;
  font-weight: 500;
}

.post-content pre code.ida-pseudocode .token.ida-sub-function,
.post-content pre code.ida-pseudocode .token.ida-global,
.post-content pre code.ida-pseudocode .token.semantic-token.ida-global {
  color: var(--ida-global) !important;
}

.post-content pre code.ida-pseudocode .token.string,
.post-content pre code.ida-pseudocode .token.char,
.post-content pre code.ida-pseudocode .token.attr-value {
  color: var(--ida-string) !important;
}

.post-content pre code.ida-pseudocode .token.number,
.post-content pre code.ida-pseudocode .token.boolean,
.post-content pre code.ida-pseudocode .token.constant,
.post-content pre code.ida-pseudocode .token.symbol {
  color: var(--ida-number) !important;
}

.post-content pre code.ida-pseudocode .token.semantic-token.variable {
  color: var(--ida-variable) !important;
}

.post-content pre code.ida-pseudocode .token.operator,
.post-content pre code.ida-pseudocode .token.punctuation {
  color: var(--ida-text) !important;
}

/* Code block folding */
.code-block-wrapper {
  cursor: default;
}

.code-block-wrapper:focus {
  outline: none;
}

.code-block-wrapper:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.code-block-wrapper pre {
  transition: max-height var(--transition-normal), opacity var(--transition-fast);
}

.code-block-wrapper.is-code-collapsed {
  cursor: zoom-in;
}

.code-block-wrapper.is-code-collapsed pre,
.post-layout.three-column:not(.page-layout) .code-block-wrapper.is-code-collapsed pre,
.post-layout.three-column:not(.page-layout) .post-content .code-block-wrapper.is-code-collapsed pre {
  position: relative;
  max-height: 46px !important;
  overflow: hidden !important;
}

.code-block-wrapper.is-code-collapsed pre::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 28px;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0), var(--code-bg));
}

.code-block-wrapper:has(code.ida-pseudocode).is-code-collapsed pre::after {
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0), var(--ida-bg));
}

.code-block-wrapper.is-code-collapsed .copy-btn {
  opacity: 1;
  visibility: visible;
}