/* =============================================================================
   ABSENT THOUGHTS — Warm Editorial + Terminal Hybrid
   A literary magazine aesthetic with developer authenticity
   ============================================================================= */

/* -----------------------------------------------------------------------------
   CSS Custom Properties
   ----------------------------------------------------------------------------- */
:root {
  /* Warm Editorial Palette */
  --bg-primary: #FAF8F5;
  --bg-secondary: #F5F2ED;
  --bg-code: #2D2A2E;

  --text-primary: #2D2D2D;
  --text-secondary: #5C5C5C;
  --text-muted: #8A8A8A;

  --accent-primary: #C65D3B;      /* Warm terracotta */
  --accent-secondary: #3FB950;    /* Terminal green */
  --accent-link: #9D4A2A;         /* Deeper terracotta for links */

  --border-light: #E8E4DE;
  --border-medium: #D4CFC6;

  /* Typography Scale */
  --font-serif: 'Lora', 'Georgia', serif;
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-medium: 300ms ease;

  /* Inline code (light mode) */
  --code-bg: #E8E4DE;
  --code-text: #5C3D2E;
}

/* -----------------------------------------------------------------------------
   Dark Mode — Warm Charcoal
   ----------------------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
  :root {
    /* Warm dark backgrounds */
    --bg-primary: #1C1917;
    --bg-secondary: #292524;
    --bg-code: #0C0A09;

    /* Light text on dark */
    --text-primary: #F5F5F4;
    --text-secondary: #A8A29E;
    --text-muted: #78716C;

    /* Brighter accents for visibility */
    --accent-primary: #EA7B55;
    --accent-secondary: #4ADE80;
    --accent-link: #F59E0B;

    /* Warm borders */
    --border-light: #44403C;
    --border-medium: #57534E;

    /* Inline code (dark mode) */
    --code-bg: #44403C;
    --code-text: #FBBF24;
  }

  /* Adjust image shadows for dark mode */
  .post img {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  }

  /* Table row hover — lighter for dark mode */
  .post tr:hover td {
    background: rgba(234, 123, 85, 0.08);
  }

  /* Code blocks — subtle contrast like tables */
  pre,
  .highlight pre {
    background: var(--bg-secondary) !important;
    border: none !important;
    box-shadow: none !important;
  }

  .highlight {
    background: transparent !important;
    padding: 0 !important;
    margin: 0 0 var(--space-xl) 0 !important;
  }

  .highlight pre,
  .post pre {
    margin-bottom: var(--space-lg) !important;
  }

  /* Scrollbar — hidden by default, dark on hover */
  pre,
  .highlight pre,
  .post pre,
  code,
  .highlight {
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
  }

  pre::-webkit-scrollbar,
  .highlight pre::-webkit-scrollbar,
  .post pre::-webkit-scrollbar,
  .highlight::-webkit-scrollbar {
    height: 0 !important;
    width: 0 !important;
    display: none !important;
  }

  /* Show scrollbar only on hover */
  pre:hover,
  .highlight:hover pre,
  .post pre:hover {
    scrollbar-width: thin !important;
    scrollbar-color: #44403C transparent !important;
  }

  pre:hover::-webkit-scrollbar,
  .highlight:hover pre::-webkit-scrollbar,
  .post pre:hover::-webkit-scrollbar {
    height: 6px !important;
    display: block !important;
  }

  pre:hover::-webkit-scrollbar-thumb,
  .highlight:hover pre::-webkit-scrollbar-thumb,
  .post pre:hover::-webkit-scrollbar-thumb {
    background: #44403C !important;
    border-radius: 3px !important;
  }

  pre:hover::-webkit-scrollbar-track,
  .highlight:hover pre::-webkit-scrollbar-track,
  .post pre:hover::-webkit-scrollbar-track {
    background: transparent !important;
  }
}

/* -----------------------------------------------------------------------------
   Base & Body
   ----------------------------------------------------------------------------- */
html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-serif);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  letter-spacing: 0.01em;
  /* Sticky footer — push footer to bottom on short pages */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Main content area grows to fill available space */
.main {
  flex: 1;
}

/* -----------------------------------------------------------------------------
   Typography
   ----------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; margin-top: 2.5rem; }
h3 { font-size: 1.5rem; margin-top: var(--space-lg); }

/* Tighter spacing when H2 follows H1 */
.post h1 + h2 {
  margin-top: var(--space-md);
}

/* Tighter spacing when heading follows code block */
pre + h2,
.highlight + h2 {
  margin-top: var(--space-lg);
}

pre + h3,
.highlight + h3 {
  margin-top: var(--space-md);
}

/* Links */
a {
  color: var(--accent-link);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

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

/* Elegant underline on hover for content links */
.post a:not(.catalogue-item):hover {
  text-decoration: underline;
  text-decoration-color: var(--accent-primary);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* -----------------------------------------------------------------------------
   Navigation
   ----------------------------------------------------------------------------- */
.nav {
  box-shadow: none;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-primary);
}

.nav-container {
  padding: var(--space-lg) 0;
}

.nav-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  position: relative;
}

/* Terminal cursor after title */
.nav-title::after {
  content: '_';
  animation: blink 1s step-end infinite;
  color: var(--accent-secondary);
  margin-left: 2px;
}

@keyframes blink {
  50% { opacity: 0; }
}

.nav ul {
  margin-top: 0;
}

.nav li {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: lowercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
  padding-right: 1.5rem;
}

.nav li:hover {
  opacity: 1;
  color: var(--accent-primary);
}

.nav a {
  color: var(--text-secondary);
}

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

/* -----------------------------------------------------------------------------
   Post Catalogue (Homepage)
   ----------------------------------------------------------------------------- */
.catalogue-item {
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-lg) 0;
  transition: background var(--transition-medium);
  display: block;
}

.catalogue-item:hover {
  background: linear-gradient(90deg, transparent 0%, var(--bg-secondary) 10%, var(--bg-secondary) 90%, transparent 100%);
}

.catalogue-time {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Add terminal-style prefix to dates */
.catalogue-time::before {
  content: '>';
  color: var(--accent-secondary);
  margin-right: var(--space-sm);
  font-weight: bold;
}

.catalogue-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: var(--space-sm) 0;
  transition: color var(--transition-fast);
}

.catalogue-item:hover .catalogue-title {
  color: var(--accent-primary);
}

/* Replace the line with an elegant dash */
.catalogue-line {
  display: none;
}

.catalogue-item::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), transparent);
  margin-top: var(--space-md);
  transition: width var(--transition-medium);
}

.catalogue-item:hover::after {
  width: 80px;
}

/* Post excerpt styling */
.catalogue-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-top: var(--space-md);
  max-width: 65ch;
}

/* -----------------------------------------------------------------------------
   Single Post
   ----------------------------------------------------------------------------- */
.post {
  padding: var(--space-xl) 0;
}

.post-info {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
}

.post-info span {
  font-style: normal;
}

/* Terminal-style metadata */
.post-info::before {
  content: '$ cat';
  color: var(--accent-secondary);
  margin-right: var(--space-sm);
}

.post-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin: var(--space-lg) 0;
  color: var(--text-primary);
  text-align: center;
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}

/* Elegant line under title */
.post-line {
  border: none;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  margin: 0 auto var(--space-xl);
  border-radius: 2px;
}

/* Post content — consistent max-width for all elements */
.post p,
.post h1:not(.post-title),
.post h2,
.post h3,
.post h4,
.post ul,
.post ol,
.post table,
.post blockquote {
  max-width: 680px !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

.post p {
  text-align: left;
  margin-bottom: 1.5rem;
}

/* Drop cap for first paragraph */
.post > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 0.8;
  padding-right: 0.15em;
  padding-top: 0.1em;
  color: var(--accent-primary);
  font-weight: 700;
}

/* Blockquotes */
blockquote {
  border-left: 3px solid var(--accent-primary);
  background: var(--bg-secondary);
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  font-style: italic;
  color: var(--text-secondary);
  border-radius: 0 4px 4px 0;
}

blockquote p {
  margin: 0;
}

/* Images */
.post img {
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.post img + em {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  display: block;
  margin-top: var(--space-sm);
}

/* -----------------------------------------------------------------------------
   Code — Terminal Aesthetic
   ----------------------------------------------------------------------------- */
code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--code-bg);
  color: var(--code-text);
  padding: 0.2em 0.5em;
  border-radius: 4px;
  border: 1px solid var(--border-medium);
  font-weight: 500;
}

pre {
  background: var(--bg-code);
  border-radius: 8px;
  padding: 0 var(--space-lg) var(--space-lg);
  overflow-x: auto;
  margin: var(--space-lg) 0 var(--space-xl);
  box-shadow:
    0 4px 6px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  position: relative;
}

/* Terminal title bar */
pre::before {
  content: '';
  display: block;
  width: 100%;
  height: 36px;
  position: relative;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.03) 0%,
    transparent 100%
  );
  border-radius: 8px 8px 0 0;
  margin-bottom: var(--space-sm);
}

/* Terminal dots */
pre::after {
  content: '';
  position: absolute;
  top: 12px;
  left: 16px;
  width: 12px;
  height: 12px;
  background: #FF5F56;
  border-radius: 50%;
  box-shadow:
    20px 0 0 #FFBD2E,
    40px 0 0 #27C93F;
}

pre code {
  background: none;
  color: #E6EDF3;
  border: none;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  display: block;
}

/* Scrollbar — only visible on hover, dark terminal style */
.highlight pre,
.post pre,
pre {
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
}

.highlight:hover pre,
.highlight pre:hover,
.post pre:hover,
pre:hover {
  scrollbar-color: #3d3a3e #272822;
}

.highlight pre::-webkit-scrollbar,
.post pre::-webkit-scrollbar,
pre::-webkit-scrollbar {
  height: 6px;
  background: transparent;
}

.highlight pre::-webkit-scrollbar-track,
.post pre::-webkit-scrollbar-track,
pre::-webkit-scrollbar-track {
  background: transparent !important;
}

.highlight pre::-webkit-scrollbar-thumb,
.post pre::-webkit-scrollbar-thumb,
pre::-webkit-scrollbar-thumb {
  background: transparent !important;
  border-radius: 3px;
}

.highlight:hover pre::-webkit-scrollbar-thumb,
.highlight pre:hover::-webkit-scrollbar-thumb,
.post pre:hover::-webkit-scrollbar-thumb,
pre:hover::-webkit-scrollbar-thumb {
  background: #3d3a3e !important;
}

.highlight pre::-webkit-scrollbar-thumb:hover,
.post pre::-webkit-scrollbar-thumb:hover,
pre::-webkit-scrollbar-thumb:hover {
  background: #4d4a4e !important;
}

/* Hide scrollbar corner */
.highlight pre::-webkit-scrollbar-corner,
.post pre::-webkit-scrollbar-corner,
pre::-webkit-scrollbar-corner {
  background: transparent !important;
}

/* -----------------------------------------------------------------------------
   Footer
   ----------------------------------------------------------------------------- */
footer {
  border-top: 1px solid var(--border-light);
  background: var(--bg-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: var(--space-lg) 0;
}

footer span {
  color: var(--text-muted);
}

/* -----------------------------------------------------------------------------
   Responsive Adjustments
   ----------------------------------------------------------------------------- */
@media (max-width: 600px) {
  html {
    font-size: 16px;
  }

  .post-title {
    font-size: 2rem;
  }

  .catalogue-title {
    font-size: 1.4rem;
  }

  .nav-title::after {
    display: none;
  }

  pre::before,
  pre::after {
    display: none;
  }

  pre {
    padding: var(--space-md) var(--space-lg);
  }
}

/* -----------------------------------------------------------------------------
   Animations — Subtle fade-in on scroll
   ----------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .catalogue-item,
  .post > p,
  .post > h2,
  .post > h3,
  .post > blockquote,
  .post > pre {
    animation: fadeInUp 0.6s ease both;
  }

  .catalogue-item:nth-child(1) { animation-delay: 0.1s; }
  .catalogue-item:nth-child(2) { animation-delay: 0.2s; }
  .catalogue-item:nth-child(3) { animation-delay: 0.3s; }
  .catalogue-item:nth-child(4) { animation-delay: 0.4s; }
  .catalogue-item:nth-child(5) { animation-delay: 0.5s; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -----------------------------------------------------------------------------
   Selection Styling
   ----------------------------------------------------------------------------- */
::selection {
  background: var(--accent-primary);
  color: white;
}

::-moz-selection {
  background: var(--accent-primary);
  color: white;
}

/* -----------------------------------------------------------------------------
   Tables — Editorial Card
   ----------------------------------------------------------------------------- */
.post table {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--space-lg) auto;
  width: 100%;
  display: block;
  overflow-x: auto;

  /* Scrollbar — subtle, only visible on hover */
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
}

.post table:hover {
  scrollbar-color: var(--border-medium) transparent;
}

.post table::-webkit-scrollbar {
  height: 6px;
}

.post table::-webkit-scrollbar-track {
  background: transparent;
}

.post table::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 3px;
}

.post table:hover::-webkit-scrollbar-thumb {
  background: var(--border-medium);
}

.post table::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.post th {
  background: linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
  border-bottom: 2px solid var(--accent-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  padding: 0.875rem 1rem;
  text-align: left;
  font-weight: 600;
}

.post td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}

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

.post tr:hover td {
  background: rgba(198, 93, 59, 0.03);
}

/* -----------------------------------------------------------------------------
   Admonitions — Theme Integration
   ----------------------------------------------------------------------------- */
.admonition {
  /* Use theme variables */
  --adm-bg: var(--bg-secondary);
  --adm-text: var(--text-primary);
  --adm-code-bg: var(--code-bg);
  --adm-code-text: var(--code-text);
  --adm-blockquote-border: var(--border-medium);

  /* Match code block aesthetic — full width breakout */
  border-radius: 4px;
  box-shadow: none;
  border-left-width: 3px;
  margin: var(--space-lg) 0;
}

.admonition-header {
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.75rem 1rem 0.5rem;
}

.admonition-content {
  background: var(--bg-secondary);
  font-size: 0.95rem;
  padding: 0 1rem 1rem;
}

/* Override type colors to match palette */
.admonition.note,
.admonition.info {
  --adm-note: var(--accent-link);
  --adm-info: var(--accent-link);
  border-left-color: var(--accent-link);
}

.admonition.tip,
.admonition.success {
  --adm-tip: var(--accent-secondary);
  --adm-success: var(--accent-secondary);
  border-left-color: var(--accent-secondary);
}

.admonition.warning,
.admonition.caution,
.admonition.important {
  --adm-warning: var(--accent-primary);
  --adm-caution: var(--accent-primary);
  --adm-important: var(--accent-primary);
  border-left-color: var(--accent-primary);
}

.admonition.danger,
.admonition.error {
  --adm-danger: #E64553;
  --adm-error: #E64553;
  border-left-color: #E64553;
}