@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@300;400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --bg-code: #1a1a25;
  --green: #00ff9f;
  --green-dim: #00cc7f;
  --pink: #ff2d95;
  --pink-dim: #cc2477;
  --pink-glow: rgba(255, 45, 149, 0.15);
  --green-glow: rgba(0, 255, 159, 0.15);
  --text-primary: #e0e0e8;
  --text-secondary: #8888a0;
  --text-muted: #555568;
  --border: #1e1e2e;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.7;
  min-height: 100vh;
}

/* Scanline overlay */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  z-index: 9999;
}

a {
  color: var(--pink);
  text-decoration: none;
  transition: all 0.2s;
}

a:hover {
  color: var(--green);
  text-shadow: 0 0 8px var(--green-glow);
}

/* Layout */
.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
  position: sticky;
  top: 0;
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
}

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

.logo {
  font-family: 'Fira Code', monospace;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 20px var(--green-glow);
  letter-spacing: -0.5px;
}

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

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

nav a {
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-left: 28px;
  position: relative;
}

nav a::before {
  content: '>';
  color: var(--pink);
  margin-right: 4px;
  opacity: 0;
  transition: opacity 0.2s;
}

nav a:hover::before {
  opacity: 1;
}

nav a:hover {
  color: var(--green);
}

/* Hero */
.hero {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-family: 'Fira Code', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero h1 .green { color: var(--green); }
.hero h1 .pink { color: var(--pink); }

.hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 520px;
}

/* Post List */
.posts {
  padding: 48px 0;
}

.posts h2 {
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 32px;
}

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  margin-bottom: 16px;
  transition: all 0.25s;
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.post-card:hover {
  border-color: var(--pink-dim);
  box-shadow: 0 0 30px var(--pink-glow);
  transform: translateY(-2px);
}

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

.post-meta {
  font-family: 'Fira Code', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  gap: 16px;
}

.post-meta .tag {
  color: var(--green-dim);
}

.post-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  transition: color 0.2s;
}

.post-excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Single Post */
.post-content {
  padding: 60px 0 80px;
}

.post-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.post-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--pink), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.post-header .post-meta {
  font-size: 0.85rem;
}

.back-link {
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  display: inline-block;
  margin-bottom: 32px;
  color: var(--text-muted);
}

.back-link:hover {
  color: var(--green);
}

/* Markdown content styles */
.md-body h1, .md-body h2, .md-body h3, .md-body h4 {
  font-weight: 600;
  margin: 2em 0 0.8em;
  color: var(--text-primary);
}

.md-body h1 { font-size: 1.8rem; color: var(--pink); }
.md-body h2 { font-size: 1.4rem; color: var(--green); border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.md-body h3 { font-size: 1.15rem; }

.md-body p {
  margin-bottom: 1.2em;
  color: var(--text-secondary);
}

.md-body strong { color: var(--text-primary); }
.md-body em { color: var(--pink-dim); font-style: italic; }

.md-body ul, .md-body ol {
  margin: 0 0 1.2em 1.5em;
  color: var(--text-secondary);
}

.md-body li { margin-bottom: 0.4em; }

.md-body blockquote {
  border-left: 3px solid var(--pink);
  padding: 12px 20px;
  margin: 1.5em 0;
  background: var(--bg-code);
  border-radius: 0 6px 6px 0;
  color: var(--text-secondary);
}

.md-body code {
  font-family: 'Fira Code', monospace;
  background: var(--bg-code);
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.88em;
  color: var(--green);
}

.md-body pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin: 1.5em 0;
  overflow-x: auto;
}

.md-body pre code {
  background: none;
  padding: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.md-body img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  margin: 1.5em 0;
}

.md-body a {
  color: var(--pink);
  text-decoration: underline;
  text-decoration-color: var(--pink-dim);
  text-underline-offset: 3px;
}

.md-body a:hover {
  color: var(--green);
  text-decoration-color: var(--green);
}

.md-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2em 0;
}

.md-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
}

.md-body th, .md-body td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
  font-size: 0.92rem;
}

.md-body th {
  background: var(--bg-code);
  color: var(--green);
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
}

.md-body td {
  color: var(--text-secondary);
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}

footer .green { color: var(--green-dim); }

/* Loading */
.loading {
  text-align: center;
  padding: 60px 0;
  font-family: 'Fira Code', monospace;
  color: var(--text-muted);
}

.loading::after {
  content: '';
  animation: dots 1.5s steps(3) infinite;
}

@keyframes dots {
  0% { content: '.'; }
  33% { content: '..'; }
  66% { content: '...'; }
}

/* Responsive */
@media (max-width: 640px) {
  .hero h1 { font-size: 1.6rem; }
  .post-header h1 { font-size: 1.5rem; }
  header .container { flex-direction: column; gap: 12px; }
  nav a { margin-left: 16px; }
  nav a:first-child { margin-left: 0; }
}