/* ==========================================================================
   Custom Retro Dark — Amber CRT Terminal Theme
   ========================================================================== */

/* 1. Custom Properties
   ========================================================================== */
:root {
  /* Amber palette */
  --amber: #ffbf00;
  --amber-light: #ffe066;
  --amber-dim: #cc9900;
  --amber-faint: #806000;

  /* Backgrounds */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-code: #0d0d0d;

  /* Text */
  --text-body: #d4a017;
  --text-muted: #8a6e00;

  /* Syntax accent colors */
  --accent-green: #7aff00;
  --accent-cyan: #00e5ff;
  --accent-red: #ff4136;
  --accent-magenta: #ff6fff;

  /* Glow effects */
  --glow-sm: 0 0 4px rgba(255, 191, 0, 0.3);
  --glow-md: 0 0 8px rgba(255, 191, 0, 0.4), 0 0 16px rgba(255, 191, 0, 0.15);
  --glow-lg: 0 0 10px rgba(255, 191, 0, 0.5), 0 0 20px rgba(255, 191, 0, 0.25), 0 0 40px rgba(255, 191, 0, 0.1);

  /* Layout */
  --content-width: 90ch;
  --spacing: 2rem;
}

/* 2. Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-body);
  background-color: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--amber);
  text-decoration: none;
  transition: color 0.2s, text-shadow 0.2s;
}

a:hover {
  color: var(--amber-light);
  text-shadow: var(--glow-sm);
}

/* 3. Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'VT323', monospace;
  color: var(--amber);
  text-shadow: var(--glow-md);
  line-height: 1.2;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

h1 { font-size: 3.052rem; }
h2 { font-size: 2.441rem; }
h3 { font-size: 1.953rem; }
h4 { font-size: 1.563rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1.25rem;
}

strong, b {
  color: var(--amber);
  font-weight: 700;
}

em, i {
  color: var(--amber-light);
}

blockquote {
  border-left: 3px solid var(--amber-dim);
  padding: 0.5rem 1rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  background: var(--bg-secondary);
}

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

hr {
  border: none;
  border-top: 1px dashed var(--amber-faint);
  margin: 2rem 0;
}

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

li {
  margin-bottom: 0.35rem;
}

/* Inline code */
code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  background: var(--bg-secondary);
  color: var(--amber-light);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

/* Code blocks */
pre {
  background: var(--bg-code);
  border-left: 3px solid var(--amber-dim);
  padding: 1.25rem;
  margin: 1.5rem 0;
  overflow-x: auto;
  line-height: 1.65;
  border-radius: 2px;
  position: relative;
}

pre code {
  font-size: 0.875rem;
  background: none;
  color: inherit;
  padding: 0;
  border-radius: 0;
}

/* Custom scrollbar for code blocks */
pre::-webkit-scrollbar {
  height: 6px;
}

pre::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

pre::-webkit-scrollbar-thumb {
  background: var(--amber-faint);
  border-radius: 3px;
}

pre::-webkit-scrollbar-thumb:hover {
  background: var(--amber-dim);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

th {
  background: var(--bg-secondary);
  color: var(--amber);
  text-align: left;
  padding: 0.6rem 0.8rem;
  border-bottom: 2px solid var(--amber-faint);
}

td {
  padding: 0.5rem 0.8rem;
  border-bottom: 1px dashed var(--amber-faint);
}

/* 4. CRT Effects
   ========================================================================== */
.scanline-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

.blink-cursor {
  animation: blink 1s step-end infinite;
  color: var(--amber);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 5. Layout
   ========================================================================== */
.site-wrapper {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2rem var(--spacing);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
}


/* 6. Header & Nav
   ========================================================================== */
.site-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--amber-faint);
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.site-title-link {
  text-decoration: none;
  color: var(--amber);
}

.site-title-link:hover {
  color: var(--amber);
}

.ascii-banner pre {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  line-height: 1.15;
  color: var(--amber);
  text-shadow: var(--glow-lg);
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  overflow: visible;
}

.site-title-text {
  display: none;
  font-size: 1.8rem;
  margin: 0;
}

.nav-toggle {
  display: none;
  background: var(--bg-secondary);
  color: var(--amber);
  border: 1px solid var(--amber-faint);
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  cursor: pointer;
  padding: 0.3rem 0.6rem;
  width: fit-content;
}

.nav-toggle:hover {
  color: var(--amber-light);
  text-shadow: var(--glow-sm);
}

.site-nav {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.nav-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: lowercase;
}

.nav-link:hover,
.nav-link.nav-active {
  color: var(--amber);
  text-shadow: var(--glow-sm);
}

/* 7. Homepage
   ========================================================================== */
.home-intro {
  margin-bottom: 2rem;
}

.home-intro p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.home-section {
  margin-bottom: 2.5rem;
}

.section-heading {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: var(--amber-dim);
  margin-bottom: 1rem;
  text-shadow: none;
}

.post-list {
  list-style: none;
  padding: 0;
}

.post-list li {
  margin-bottom: 0.5rem;
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.post-list-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 10ch;
}

.post-list-title {
  font-size: 0.9rem;
}

.view-all {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.view-all:hover {
  color: var(--amber);
}

/* Projects */
.project-list {
  list-style: none;
  padding: 0;
}

.project-list li {
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
}

.project-name {
  color: var(--amber);
}

.project-sep {
  color: var(--amber-faint);
}

.project-desc {
  color: var(--text-muted);
}

/* 8. Post List / Archive
   ========================================================================== */
.archive-year {
  font-family: 'VT323', monospace;
  font-size: 1.8rem;
  color: var(--amber);
  text-shadow: var(--glow-sm);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px dashed var(--amber-faint);
  padding-bottom: 0.25rem;
}

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

.archive-list li {
  margin-bottom: 0.5rem;
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.archive-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 10ch;
}

.archive-title {
  font-size: 0.9rem;
}

/* 9. Tags
   ========================================================================== */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
  padding: 0;
}

.tag-list a {
  font-size: 0.85rem;
  color: var(--text-muted);
  border: 1px dashed var(--amber-faint);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  transition: all 0.2s;
}

.tag-list a:hover {
  color: var(--amber);
  border-color: var(--amber-dim);
  text-shadow: var(--glow-sm);
}

.tag-count {
  color: var(--amber-faint);
  font-size: 0.8rem;
}

/* 10. Pagination
   ========================================================================== */
.pagination {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--amber-faint);
  font-size: 0.85rem;
}

.pagination a {
  color: var(--text-muted);
}

.pagination a:hover {
  color: var(--amber);
}

/* 11. Post Meta
   ========================================================================== */
.post-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
}

.post-meta-date,
.post-meta-reading-time {
  white-space: nowrap;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.post-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  border: 1px dashed var(--amber-faint);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
}

.post-tag:hover {
  color: var(--amber);
  border-color: var(--amber-dim);
}

/* 12. Single Post Content
   ========================================================================== */
.post-header {
  margin-bottom: 2rem;
}

.post-title {
  font-size: 2.441rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.post-content {
  margin-bottom: 3rem;
}

.post-content h2 {
  margin-top: 2.5rem;
}

.post-content h3 {
  margin-top: 2rem;
}

.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: var(--amber-dim);       /* #cc9900 — softer than full amber */
  text-shadow: none;             /* no glow at all */
  line-height: 1.3;
}

.post-content h2 { font-size: 1.75rem; }
.post-content h3 { font-size: 1.4rem; }
.post-content h4 { font-size: 1.15rem; }
.post-content h5 { font-size: 1rem; }
.post-content h6 { font-size: 0.875rem; }

.post-content a {
  text-decoration: underline;
  text-decoration-color: var(--amber-faint);
  text-underline-offset: 0.2em;
}

.post-content a:hover {
  text-decoration-color: var(--amber);
}

/* Images in posts */
.post-content img {
  margin: 1.5rem auto;
  border: 1px solid var(--amber-faint);
  border-radius: 2px;
}

/* Embedded videos */
.post-content iframe {
  max-width: 100%;
  margin: 1.5rem 0;
}

/* 13. Post Navigation (prev/next)
   ========================================================================== */
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--amber-faint);
  font-size: 0.85rem;
}

.post-nav a {
  color: var(--text-muted);
  max-width: 48%;
}

.post-nav a:hover {
  color: var(--amber);
}

.post-nav-next {
  text-align: right;
  margin-left: auto;
}

/* 14. Footer
   ========================================================================== */
.site-footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--amber-faint);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: 0.8rem;
}

.social-link {
  color: var(--text-muted);
  font-size: 0.8rem;
}

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

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

/* 15. 404 Page
   ========================================================================== */
.error-page {
  text-align: center;
  padding: 3rem 0;
}

.error-ascii {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  line-height: 1.15;
  color: var(--amber);
  text-shadow: var(--glow-md);
  margin-bottom: 2rem;
  background: none;
  border: none;
  padding: 0;
  display: inline-block;
}

.error-message {
  font-family: 'VT323', monospace;
  font-size: 1.8rem;
  color: var(--accent-red);
  margin-bottom: 1rem;
}

.error-desc {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

/* 16. Copy Button
   ========================================================================== */
.highlight-wrapper {
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--bg-secondary);
  color: var(--text-muted);
  border: 1px solid var(--amber-faint);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  opacity: 0;
  transition: opacity 0.2s, color 0.2s;
  z-index: 10;
}

.highlight-wrapper:hover .copy-btn {
  opacity: 1;
}

.copy-btn:hover {
  color: var(--amber);
  border-color: var(--amber-dim);
}

.copy-btn.copied {
  color: var(--accent-green);
  border-color: var(--accent-green);
}

/* 17. Utilities
   ========================================================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 18. Responsive: Mobile (< 768px)
   ========================================================================== */
@media (max-width: 767px) {
  html {
    font-size: 15px;
  }

  .site-wrapper {
    padding: 1rem;
  }

  .ascii-banner {
    display: none;
  }

  .site-title-text {
    display: block;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.75rem;
  }

  .site-nav.open {
    display: flex;
  }

  .header-inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
  }

  .site-title-link {
    order: 1;
  }

  .nav-toggle {
    order: 2;
  }

  .site-nav {
    order: 3;
    width: 100%;
  }

  .post-list li,
  .archive-list li {
    flex-direction: column;
    gap: 0.15rem;
  }

  .post-nav {
    flex-direction: column;
  }

  .post-nav a {
    max-width: 100%;
  }

  .post-title {
    font-size: 1.8rem;
  }

  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
  h3 { font-size: 1.5rem; }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* 19. Responsive: Tablet (>= 768px)
   ========================================================================== */
@media (min-width: 768px) {
  .ascii-banner {
    display: block;
  }

  .site-title-text {
    display: none;
  }
}

/* 20. Responsive: Desktop (>= 1024px)
   ========================================================================== */
@media (min-width: 1024px) {
  html {
    font-size: 17px;
  }

  :root {
    --content-width: 100ch;
  }
}

/* 21. Responsive: Wide (>= 1440px)
   ========================================================================== */
@media (min-width: 1440px) {
  :root {
    --content-width: 120ch;
    --spacing: 3rem;
  }
}