@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;700&display=swap');

:root {
  --bg: #0a0a0a;
  --bg-card: rgba(0, 0, 0, 0.85);
  --green: #00ff88;
  --green-dim: #00cc6a;
  --green-glow: rgba(0, 255, 136, 0.15);
  --green-border: rgba(0, 255, 136, 0.4);
  --text: #e0e0e0;
  --text-dim: #888;
  --text-muted: #555;
  --font: 'JetBrains Mono', 'Courier New', monospace;
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.7;
  min-height: 100vh;
}

/* Layout */
.site-wrapper {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Header */
.site-header {
  border: 1px solid var(--green-border);
  background: var(--bg-card);
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 0 20px var(--green-glow);
}

.site-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.site-title::before {
  content: '>';
  color: var(--green-dim);
}

.site-title:hover {
  text-shadow: 0 0 10px var(--green-glow);
}

.site-nav {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--text-muted);
  display: flex;
  gap: 1.5rem;
}

.site-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  transition: color 0.2s;
}

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

/* Content panels */
.panel {
  border: 1px solid var(--green-border);
  background: var(--bg-card);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px var(--green-glow);
}

/* Post list */
.post-list {
  list-style: none;
}

.post-item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--text-muted);
}

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

.post-item-title {
  font-size: 1rem;
  font-weight: 500;
}

.post-item-title a {
  color: var(--green);
  text-decoration: none;
  transition: text-shadow 0.2s;
}

.post-item-title a:hover {
  text-shadow: 0 0 8px var(--green-glow);
}

.post-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
}

.post-summary {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 0.4rem;
}

/* Tags */
.tag {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--green-dim);
  border: 1px solid var(--green-border);
  padding: 0.1rem 0.5rem;
  margin-right: 0.4rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tag:hover {
  background: var(--green-glow);
}

/* Single post */
.post-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--text-muted);
}

.post-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.3;
}

.post-content h2 {
  color: var(--green);
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 2rem 0 0.8rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--text-muted);
}

.post-content h3 {
  color: var(--green-dim);
  font-size: 1rem;
  margin: 1.5rem 0 0.6rem;
}

.post-content p {
  margin-bottom: 1rem;
}

.post-content a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.post-content a:hover {
  text-shadow: 0 0 6px var(--green-glow);
}

.post-content ul, .post-content ol {
  margin: 0 0 1rem 1.5rem;
}

.post-content li {
  margin-bottom: 0.3rem;
}

.post-content img {
  max-width: 100%;
  border: 1px solid var(--green-border);
  margin: 1rem 0;
}

.post-content blockquote {
  border-left: 3px solid var(--green-border);
  padding-left: 1rem;
  color: var(--text-dim);
  margin: 1rem 0;
}

/* Code */
.post-content code {
  font-family: var(--font);
  font-size: 0.85rem;
  background: rgba(0, 255, 136, 0.08);
  color: var(--green);
  padding: 0.15rem 0.4rem;
  border-radius: 2px;
}

.post-content pre {
  background: #050505;
  border: 1px solid var(--green-border);
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
}

.post-content pre code {
  background: none;
  padding: 0;
  color: var(--text);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--text-muted);
  padding-top: 1rem;
  margin-top: 2rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Reading time / status line */
.status-line {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-line::before {
  content: '> ';
  color: var(--green-dim);
}

/* Post nav */
.post-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--text-muted);
  font-size: 0.8rem;
}

.post-nav a {
  color: var(--green-dim);
  text-decoration: none;
}

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

/* Light mode */
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f0f0f0;
    --bg-card: rgba(255, 255, 255, 0.9);
    --green: #007a42;
    --green-dim: #009e55;
    --green-glow: rgba(0, 122, 66, 0.08);
    --green-border: rgba(0, 122, 66, 0.3);
    --text: #1a1a1a;
    --text-dim: #555;
    --text-muted: #ccc;
  }

  .post-content pre {
    background: #f8f8f8;
  }

  .post-content pre code {
    color: #1a1a1a;
  }

  .post-content code {
    background: rgba(0, 122, 66, 0.08);
    color: #007a42;
  }
}

[data-theme="light"] {
  --bg: #f0f0f0;
  --bg-card: rgba(255, 255, 255, 0.9);
  --green: #007a42;
  --green-dim: #009e55;
  --green-glow: rgba(0, 122, 66, 0.08);
  --green-border: rgba(0, 122, 66, 0.3);
  --text: #1a1a1a;
  --text-dim: #555;
  --text-muted: #ccc;
}

[data-theme="light"] .post-content pre {
  background: #f8f8f8;
}

[data-theme="light"] .post-content pre code {
  color: #1a1a1a;
}

[data-theme="light"] .post-content code {
  background: rgba(0, 122, 66, 0.08);
  color: #007a42;
}

/* Header row */
.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.2rem;
  transition: color 0.2s;
  line-height: 1;
}

.theme-toggle:hover {
  color: var(--green);
}

/* Responsive */
@media (max-width: 600px) {
  html { font-size: 14px; }
  .site-wrapper { padding: 1rem; }
  .site-header, .panel { padding: 1rem; }
}