/* OFFGRIND — Local Attack Lab. Static-site theme.
   Dark, off-grid, tactical. One stylesheet, no framework. */

:root {
  --bg: #0a0d10;
  --panel: #10151a;
  --ink: #d7dde3;
  --muted: #8a949e;
  --accent: #34e07a;
  --line: #1d252d;
  --callout-bg: #11161b;
  --tag-bg: #10251a;
  --mark-bg: #2f2a08;
  --pre-bg: #0e1318;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

/* ---------- header / nav ---------- */
.site-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  flex-wrap: wrap;
}
.brand {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { color: var(--accent); }
.site-nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a.active { color: var(--accent); }

/* ---------- content ---------- */
.content {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
}
article { line-height: 1.7; }
article h1, article h2, article h3 { line-height: 1.25; letter-spacing: 0.01em; }
article h1 {
  font-size: 2.1rem;
  margin: 0 0 0.4rem;
  color: var(--ink);
}
article h2 {
  margin-top: 2.4rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.3rem;
  color: var(--ink);
}
article h3 { color: var(--ink); }
article a { color: var(--accent); }
article img { max-width: 100%; }
article pre {
  background: var(--pre-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  overflow: auto;
  max-height: 32rem;              /* big blocks become scrollable panes */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
  scrollbar-width: thin;
  scrollbar-color: #2c3640 transparent;
  transition: border-color 0.15s ease;
}
article pre:hover { border-color: #2a343e; }
article pre::-webkit-scrollbar { width: 10px; height: 10px; }
article pre::-webkit-scrollbar-track { background: transparent; }
article pre::-webkit-scrollbar-thumb {
  background: #2c3640;
  border-radius: 6px;
  border: 2px solid var(--pre-bg);
}
article pre::-webkit-scrollbar-thumb:hover { background: #3d4a57; }
article pre::-webkit-scrollbar-corner { background: transparent; }
code {
  background: var(--pre-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  font-size: 0.9em;
  color: var(--accent);
}
pre code { background: none; border: 0; padding: 0; color: var(--ink); }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
th, td { border: 1px solid var(--line); padding: 0.5rem 0.75rem; text-align: left; }
th { background: var(--panel); color: var(--ink); }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.2rem 0; }

/* ---------- page meta (front matter: date + tags) ---------- */
.page-meta { margin: 0 0 1rem; color: var(--muted); font-size: 0.9rem; }
.page-meta time { margin-right: 0.6rem; }
.page-tags { margin: 0 0 1rem; }
.tag {
  display: inline-block;
  font-size: 0.8rem;
  margin-right: 0.4rem;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  color: var(--accent);
  background: var(--tag-bg);
}

/* ---------- blockquote / callouts ---------- */
blockquote {
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--callout-bg);
  border-radius: 0 6px 6px 0;
  color: var(--muted);
}
.callout {
  margin: 1rem 0;
  padding: 0.6rem 1rem 0.2rem;
  border-left: 3px solid var(--accent);
  background: var(--callout-bg);
  border-radius: 0 6px 6px 0;
}
.callout-title {
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.3rem;
}
.callout-body { padding: 0 0 0.5rem; }
.callout-body > :first-child { margin-top: 0; }
.callout-body > :last-child { margin-bottom: 0; }
.callout-folded .callout-body { opacity: 0.85; }
.callout-note      { border-left-color: #4b9eff; }
.callout-tip, .callout-success, .callout-check { border-left-color: var(--accent); }
.callout-warning, .callout-attention, .callout-caution { border-left-color: #e0a030; }
.callout-danger, .callout-error, .callout-failure, .callout-bug { border-left-color: #e5534b; }
.callout-info, .callout-todo   { border-left-color: #4b9eff; }
.callout-quote, .callout-example, .callout-abstract { border-left-color: #b18cff; }
.callout-question, .callout-help, .callout-faq { border-left-color: var(--accent); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.2rem 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  background: var(--panel);
}