:root {
  --bg: #f5f5f5;
  --bg-alt: #ffffff;
  --text: #000000;
  --muted: #555555;
  --border: #000000;
  --accent: #000000;
  --accent-soft: #e8e8e8;
  --code-bg: #000000;
  --code-text: #f5f5f5;
  --code-inline-bg: #e8e8e8;
  --inv-bg: #000000;
  --inv-text: #ffffff;
  --shadow: 4px 4px 0 #000000;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "IBM Plex Mono",
    "Fira Code", "Cascadia Code", Menlo, Consolas, "Liberation Mono", monospace;
}

[data-theme="dark"] {
  --bg: #111111;
  --bg-alt: #000000;
  --text: #ffffff;
  --muted: #9a9a9a;
  --border: #ffffff;
  --accent: #ffffff;
  --accent-soft: #1a1a1a;
  --code-bg: #ffffff;
  --code-text: #000000;
  --code-inline-bg: #2a2a2a;
  --inv-bg: #ffffff;
  --inv-text: #000000;
  --shadow: 4px 4px 0 #ffffff;
}

* {
  box-sizing: border-box;
  border-radius: 0 !important;
}

body {
  margin: 0;
  font-family: var(--font-mono);
  line-height: 1.6;
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 2px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.brand {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  letter-spacing: 0.02em;
}

.brand .tld {
  background: var(--accent);
  color: var(--bg);
  padding: 2px 5px;
  margin-left: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  color: var(--text);
  padding: 6px 10px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 2px solid transparent;
}

.nav a:hover {
  background: var(--inv-bg);
  color: var(--inv-text);
}

.nav a.active {
  border-color: var(--border);
  background: var(--accent);
  color: var(--bg);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.theme-toggle,
.menu-toggle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 2px solid var(--border);
  background: var(--bg-alt);
  color: var(--text);
  cursor: pointer;
  padding: 6px 10px;
  line-height: 1;
}

.theme-toggle:hover,
.menu-toggle:hover {
  background: var(--inv-bg);
  color: var(--inv-text);
}

.menu-toggle {
  display: none;
}

/* Main */
main {
  padding: 32px 0 72px;
  min-height: calc(100vh - 56px - 100px);
}

/* Hero */
.hero {
  padding: 24px 0 28px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: 1.9rem;
  line-height: 1.2;
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.hero p {
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 640px;
  margin: 0;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--inv-text);
  background: var(--accent);
  padding: 4px 10px;
  margin-bottom: 16px;
  border: 2px solid var(--border);
}

/* Section titles */
.section-title {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 36px 0 14px;
}

.section-title::before {
  content: "// ";
  color: var(--muted);
}

.section-note {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: -8px 0 14px;
}

/* Post cards */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.post-card {
  display: block;
  background: var(--bg-alt);
  border: 2px solid var(--border);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.post-card:hover {
  background: var(--inv-bg);
  box-shadow: none;
}

.post-card h2 {
  margin: 0 0 6px;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text);
}

.post-card .meta {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.post-card:hover h2,
.post-card:hover p,
.post-card:hover .meta {
  color: var(--inv-text);
}

.post-card:hover .tag {
  border-color: var(--inv-text);
  color: var(--inv-text);
}

.post-card.pending {
  cursor: default;
  box-shadow: none;
  border: 2px dashed var(--muted);
  background: transparent;
}

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

.post-card.pending h2,
.post-card.pending p,
.post-card.pending .meta {
  color: var(--muted);
}

.post-card.pending .tag {
  border-color: var(--muted);
  color: var(--muted);
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 1px 6px;
  margin-right: 6px;
}

/* Article */
.article header {
  margin-bottom: 24px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 18px;
}

.article h1 {
  font-size: 1.6rem;
  line-height: 1.2;
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.article .meta {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article h2 {
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 28px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.article p {
  margin: 0 0 14px;
}

.article ul,
.article ol {
  margin: 0 0 14px;
  padding-left: 22px;
}

.article li {
  margin-bottom: 6px;
}

.article pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 16px 18px;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
  border: 2px solid var(--border);
}

.article code {
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.article p code,
.article li code {
  background: var(--code-inline-bg);
  color: var(--text);
  padding: 1px 5px;
  border: 1px solid var(--border);
}

.article blockquote {
  margin: 0 0 14px;
  padding: 10px 16px;
  border: 2px solid var(--border);
  border-left: 6px solid var(--border);
  background: var(--bg-alt);
}

.article blockquote p {
  margin: 0;
}

.article .back-link {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 2px solid var(--border);
  padding: 4px 10px;
  background: var(--bg-alt);
}

.article .back-link:hover {
  background: var(--inv-bg);
  color: var(--inv-text);
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin: 0 0 18px;
  border: 2px solid var(--border);
}

.cmd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  background: var(--bg-alt);
}

.cmd-table th,
.cmd-table td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.cmd-table thead th {
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
  border-bottom: 2px solid var(--border);
}

.cmd-table tbody tr:last-child td {
  border-bottom: none;
}

.cmd-table tbody tr:hover {
  background: var(--accent-soft);
}

.cmd-table code {
  background: transparent;
  color: var(--text);
  padding: 0;
  border: none;
  font-weight: 600;
}

/* Cards (about etc.) */
.card {
  background: var(--bg-alt);
  border: 2px solid var(--border);
  padding: 20px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Footer */
.site-footer {
  border-top: 2px solid var(--border);
  padding: 20px 0;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* Responsive */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 1.4rem;
  }

  .menu-toggle {
    display: inline-block;
  }

  .nav {
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-alt);
    border-bottom: 2px solid var(--border);
    display: none;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 12px;
    border: none;
    border-top: 1px solid var(--border);
  }

  .nav a.active {
    background: var(--accent);
    color: var(--bg);
  }
}