/* ===== RETRO 80s PIXEL THEME ===== */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-dark: #0a0a0a;
  --bg-card: #111111;
  --bg-terminal: #0d0d0d;
  --neon-cyan: #00ffff;
  --neon-magenta: #ff00ff;
  --neon-green: #39ff14;
  --neon-yellow: #ffe600;
  --text-primary: #e0e0e0;
  --text-dim: #888888;
  --border-color: #333333;
  --glow-cyan: 0 0 10px #00ffff, 0 0 20px #00ffff44;
  --glow-magenta: 0 0 10px #ff00ff, 0 0 20px #ff00ff44;
  --glow-green: 0 0 10px #39ff14, 0 0 20px #39ff1444;
  --font-heading: 'Press Start 2P', monospace;
  --font-body: 'VT323', monospace;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--neon-magenta);
  text-shadow: var(--glow-magenta);
}

/* --- Scanline Overlay --- */
.scanlines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15) 0px,
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 3px
  );
}

/* --- Navigation --- */
.site-header {
  border-bottom: 2px solid var(--neon-cyan);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-dark);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0, 255, 255, 0.1);
}

.site-logo {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  letter-spacing: 2px;
}

.site-logo a {
  color: var(--neon-cyan);
}

.site-logo a:hover {
  color: var(--neon-magenta);
  text-shadow: var(--glow-magenta);
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.site-nav a {
  font-family: var(--font-heading);
  font-size: 0.6rem;
  color: var(--neon-green);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.2s, text-shadow 0.2s;
}

.site-nav a::before {
  content: '> ';
  color: var(--text-dim);
  transition: color 0.2s;
}

.site-nav a:hover {
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
}

.site-nav a:hover::before {
  color: var(--neon-cyan);
}

/* --- Main Content Area --- */
.site-main {
  flex: 1;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
}

/* --- Terminal Window --- */
.terminal-window {
  background: var(--bg-terminal);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.terminal-titlebar {
  background: #1a1a1a;
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-title {
  font-family: var(--font-heading);
  font-size: 0.5rem;
  color: var(--text-dim);
  margin-left: 0.5rem;
}

.terminal-body {
  padding: 1.5rem 2rem;
}

/* --- Homepage Hero --- */
.hero-terminal {
  margin-top: 2rem;
  margin-bottom: 3rem;
}

.hero-terminal .terminal-body {
  padding: 2rem;
}

.hero-prompt {
  color: var(--neon-green);
  font-family: var(--font-body);
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.hero-prompt .prompt-symbol {
  color: var(--neon-cyan);
  margin-right: 0.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.hero-description {
  font-family: var(--font-body);
  font-size: 1.3rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.blinking-cursor {
  display: inline-block;
  width: 10px;
  height: 1.2rem;
  background: var(--neon-green);
  animation: blink 1s step-end infinite;
  vertical-align: middle;
  margin-left: 4px;
}

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

/* --- Post Card Grid (Homepage) --- */
.section-title {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--neon-magenta);
  text-shadow: var(--glow-magenta);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.2rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  position: relative;
}

.post-card:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.15);
}

.post-card-date {
  font-family: var(--font-heading);
  font-size: 0.45rem;
  color: var(--neon-green);
  margin-bottom: 0.5rem;
  letter-spacing: 1px;
}

.post-card-title {
  font-family: var(--font-heading);
  font-size: 0.55rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.post-card-title a {
  color: var(--text-primary);
}

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

.view-all {
  text-align: center;
  margin-top: 1rem;
}

.view-all a {
  font-family: var(--font-heading);
  font-size: 0.6rem;
  color: var(--neon-magenta);
  letter-spacing: 1px;
}

.view-all a:hover {
  text-shadow: var(--glow-magenta);
}

/* --- Post List Page --- */
.post-list {
  list-style: none;
  margin-bottom: 2rem;
}

.post-list-item {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.8rem 0.5rem;
  border-bottom: 1px solid #1a1a1a;
  transition: background 0.2s;
}

.post-list-item:hover {
  background: rgba(0, 255, 255, 0.03);
}

.post-list-cursor {
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 1.2rem;
  transition: color 0.2s;
  flex-shrink: 0;
  width: 1rem;
}

.post-list-item:hover .post-list-cursor {
  color: var(--neon-cyan);
}

.post-list-date {
  font-family: var(--font-heading);
  font-size: 0.45rem;
  color: var(--neon-green);
  flex-shrink: 0;
  width: 7rem;
}

.post-list-title {
  font-family: var(--font-body);
  font-size: 1.3rem;
}

.post-list-title a {
  color: var(--text-primary);
}

.post-list-item:hover .post-list-title a {
  color: var(--neon-cyan);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  font-family: var(--font-heading);
  font-size: 0.55rem;
}

.pagination a {
  color: var(--neon-cyan);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
}

.pagination a:hover {
  border-color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
}

.pagination .current {
  color: var(--neon-magenta);
}

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

.post-meta {
  font-family: var(--font-heading);
  font-size: 0.45rem;
  color: var(--neon-green);
  margin-bottom: 0.5rem;
  letter-spacing: 1px;
}

.post-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  line-height: 2;
}

/* --- Post Content (Markdown) --- */
.post-content {
  font-size: 1.2rem;
  line-height: 1.8;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
  font-family: var(--font-heading);
  color: var(--neon-magenta);
  text-shadow: var(--glow-magenta);
  margin: 2rem 0 1rem;
  line-height: 2;
}

.post-content h1 { font-size: 0.9rem; }
.post-content h2 { font-size: 0.75rem; }
.post-content h3 { font-size: 0.65rem; }
.post-content h4 { font-size: 0.55rem; }

.post-content p {
  margin-bottom: 1.2rem;
}

.post-content ul,
.post-content ol {
  margin-bottom: 1.2rem;
  padding-left: 1.5rem;
}

.post-content li {
  margin-bottom: 0.4rem;
}

.post-content li::marker {
  color: var(--neon-green);
}

.post-content blockquote {
  border-left: 3px solid var(--neon-magenta);
  padding: 0.5rem 1rem;
  margin: 1.2rem 0;
  background: rgba(255, 0, 255, 0.05);
  color: var(--text-dim);
}

.post-content code {
  font-family: 'VT323', monospace;
  background: #1a1a1a;
  color: var(--neon-green);
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--border-color);
  font-size: 1.1rem;
}

.post-content pre {
  background: #0d0d0d;
  border: 1px solid var(--border-color);
  padding: 1.2rem;
  overflow-x: auto;
  margin: 1.2rem 0;
  position: relative;
}

.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.6;
}

.post-content img {
  max-width: 100%;
  height: auto;
  border: 2px solid var(--border-color);
  margin: 1.5rem 0;
  display: block;
}

.post-content a {
  color: var(--neon-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(0, 255, 255, 0.3);
  text-underline-offset: 3px;
}

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

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2rem 0;
  font-size: 1.1rem;
}

.post-content th,
.post-content td {
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.8rem;
  text-align: left;
}

.post-content th {
  background: #1a1a1a;
  color: var(--neon-cyan);
  font-family: var(--font-heading);
  font-size: 0.5rem;
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2rem 0;
}

/* Mermaid diagrams */
.post-content pre.mermaid {
  background: #ffffff;
  border: 2px solid var(--neon-cyan);
  padding: 1.5rem;
  text-align: center;
}

/* --- Footer --- */
.site-footer {
  border-top: 2px solid var(--neon-magenta);
  padding: 1.5rem 2rem;
  text-align: center;
  background: var(--bg-dark);
  margin-top: auto;
}

.footer-text {
  font-family: var(--font-heading);
  font-size: 0.45rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  line-height: 2.5;
}

.footer-text .neon {
  color: var(--neon-magenta);
}

/* --- Page Title (for list pages) --- */
.page-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

/* --- Interactive Terminal --- */
.terminal-output {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: var(--font-body);
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.terminal-output .terminal-line {
  margin-bottom: 0.2rem;
}

.terminal-output .prompt-line {
  color: var(--neon-green);
}

.terminal-output .prompt-line .prompt-symbol {
  color: var(--neon-cyan);
  margin-right: 0.5rem;
}

.terminal-output .error {
  color: #ff5f56;
}

.terminal-output .neon-cyan {
  color: var(--neon-cyan);
}

.terminal-output .neon-magenta {
  color: var(--neon-magenta);
}

.terminal-output .neon-green {
  color: var(--neon-green);
}

.terminal-output .text-dim {
  color: var(--text-dim);
}

.terminal-output .cmd-highlight {
  color: var(--neon-yellow);
}

.terminal-output .hero-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  margin-bottom: 0.5rem;
  line-height: 1.8;
}

.terminal-output .hero-description {
  color: var(--text-dim);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.terminal-output .terminal-hint {
  color: var(--text-dim);
  font-size: 1.1rem;
  margin-top: 0.5rem;
}

.terminal-output a {
  color: var(--neon-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(0, 255, 255, 0.3);
  text-underline-offset: 3px;
}

.terminal-output a:hover {
  color: var(--neon-magenta);
  text-decoration-color: var(--neon-magenta);
}

.terminal-input-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  font-family: var(--font-body);
  font-size: 1.2rem;
}

.terminal-input-line .prompt-symbol {
  color: var(--neon-cyan);
  flex-shrink: 0;
}

.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--neon-green);
  font-family: var(--font-body);
  font-size: 1.2rem;
  caret-color: var(--neon-green);
  line-height: 1.6;
}

.terminal-input::placeholder {
  color: var(--text-dim);
  opacity: 0.5;
}

.hero-terminal .terminal-body {
  padding: 2rem;
  max-height: 500px;
  overflow-y: auto;
  cursor: text;
}

pre.cowsay {
  color: var(--neon-yellow);
  font-family: var(--font-body);
  font-size: 1.1rem;
  line-height: 1.3;
  margin: 0;
  background: none;
  border: none;
  padding: 0;
  overflow: visible;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }

  .site-header {
    flex-direction: column;
    gap: 0.8rem;
    padding: 0.8rem 1rem;
  }

  .site-nav {
    gap: 1rem;
  }

  .site-main {
    padding: 1rem;
  }

  .post-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 1rem;
  }

  .post-list-item {
    flex-wrap: wrap;
    gap: 0.3rem;
  }

  .post-list-date {
    width: auto;
  }

  .post-list-title {
    width: 100%;
    padding-left: 1.5rem;
  }

  .terminal-body {
    padding: 1rem;
  }

  /* Remove glow effects on mobile for performance */
  .hero-title,
  .site-logo,
  .section-title,
  .post-title,
  .post-content h1,
  .post-content h2,
  .post-content h3,
  .post-content h4 {
    text-shadow: none;
  }

  .post-card:hover {
    box-shadow: none;
  }

  .scanlines {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 0.8rem;
  }

  .site-logo {
    font-size: 0.8rem;
  }

  .site-nav a {
    font-size: 0.5rem;
  }
}