/* docs.offense.sh — technical reference aesthetic: ink on warm paper,
   monospace for identifiers, one burnt-orange accent. */

:root {
  --ink: #17130f;
  --ink-soft: #443a31;
  --muted: #6f6255;
  --paper: #faf6ef;
  --paper-2: #f2ece1;
  --rule: #ddd3c4;
  --rule-soft: #e8dfd2;
  --accent: #c2451c;
  --accent-soft: #f6e2d6;
  --ok: #2f6b4f;
  --code-bg: #1c1815;
  --code-ink: #efe7da;
  --sidebar: #14110e;
  --sidebar-ink: #cfc4b5;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "IBM Plex Mono", Menlo, monospace;
  --sans: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --ui: "Avenir Next", Avenir, "Segoe UI", "Helvetica Neue", system-ui, sans-serif;
  --side-w: 268px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--ui);
  font-size: 15px;
  line-height: 1.62;
  font-feature-settings: "kern" 1;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent-soft); color: var(--ink); }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 14px;
  z-index: 20;
}
.skip:focus { left: 12px; top: 12px; }

.shell { display: flex; min-height: 100vh; }

/* ---------- sidebar ---------- */
.sidebar {
  width: var(--side-w);
  flex: 0 0 var(--side-w);
  background: var(--sidebar);
  color: var(--sidebar-ink);
  padding: 26px 0 32px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 22px;
  text-decoration: none;
  color: #f4ece0;
  font-family: var(--mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
}
.brand em { color: var(--sidebar-ink); font-style: normal; opacity: 0.75; }
.mark {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: #241d17;
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 700;
  border: 1px solid #33291f;
}

.sidebar nav { display: flex; flex-direction: column; gap: 20px; padding: 0 12px; }
.nav-label {
  margin: 0 0 6px 10px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: #8a7c6b;
}
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li a {
  display: block;
  padding: 6px 10px;
  border-radius: 5px;
  color: var(--sidebar-ink);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.35;
  border-left: 2px solid transparent;
}
.sidebar li a:hover { background: #1e1915; color: #f4ece0; }
.sidebar li a.active {
  background: #221c17;
  color: #fdf6ec;
  border-left-color: var(--accent);
}
.side-foot { margin-top: auto; padding: 0 22px; }
.side-foot a {
  color: #e0d4c3;
  font-size: 12.5px;
  text-decoration: none;
  border-bottom: 1px solid #3a2f26;
}
.side-foot a:hover { color: var(--accent); }

/* ---------- main ---------- */
main {
  flex: 1 1 auto;
  min-width: 0;
  padding: 52px 56px 72px;
  max-width: 900px;
}

.prose { max-width: 68ch; }
.prose > h1 {
  font-family: var(--sans);
  font-size: 2.35rem;
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 600;
  margin: 0 0 10px;
  color: var(--ink);
}
.prose > h1 + p {
  font-size: 1.06rem;
  color: var(--ink-soft);
  margin-top: 0;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}
.prose h2 {
  font-family: var(--sans);
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 600;
  margin: 44px 0 12px;
  padding-top: 8px;
}
.prose h3 {
  font-family: var(--mono);
  font-size: 0.83rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin: 30px 0 8px;
}
.prose p, .prose li { color: var(--ink-soft); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a { color: var(--accent); text-decoration: none; border-bottom: 1px solid #e8bfae; }
.prose a:hover { border-bottom-color: var(--accent); }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 5px 0; }
.prose li::marker { color: #b0a294; }

code {
  font-family: var(--mono);
  font-size: 0.855em;
  background: var(--paper-2);
  border: 1px solid var(--rule-soft);
  border-radius: 3px;
  padding: 0.1em 0.34em;
  color: #7a3418;
  white-space: nowrap;
}
pre {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 16px 18px;
  border-radius: 7px;
  overflow-x: auto;
  font-size: 12.8px;
  line-height: 1.6;
  margin: 16px 0;
  border: 1px solid #2a231d;
}
pre code {
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
  font-size: inherit;
  white-space: pre;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 13.4px;
  font-variant-numeric: tabular-nums;
}
th {
  text-align: left;
  font-family: var(--mono);
  font-size: 10.8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  padding: 8px 12px 8px 0;
  border-bottom: 1px solid var(--rule);
}
td {
  padding: 9px 12px 9px 0;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: top;
  color: var(--ink-soft);
}
tbody tr:hover td { background: #f5efe5; }

blockquote {
  margin: 20px 0;
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  background: #f7efe6;
  color: var(--ink-soft);
  border-radius: 0 5px 5px 0;
}
blockquote p { margin: 0; }

hr { border: 0; border-top: 1px solid var(--rule); margin: 36px 0; }

/* ---------- pager + footer ---------- */
.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 56px 0 0;
  max-width: 68ch;
  border-top: 1px solid var(--rule);
  padding-top: 20px;
}
.pager a {
  display: flex;
  flex-direction: column;
  gap: 3px;
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
  max-width: 46%;
}
.pager a span {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.pager a:hover { color: var(--accent); }
.pager .next { text-align: right; margin-left: auto; }

.page-foot {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 30px 0 0;
  max-width: 68ch;
  font-size: 12px;
  color: var(--muted);
}
.page-foot a { color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--rule); }
.page-foot a:hover { color: var(--accent); }

a:focus-visible, .sidebar a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

@media (max-width: 900px) {
  .shell { flex-direction: column; }
  .sidebar {
    width: 100%;
    flex: none;
    height: auto;
    position: static;
    padding: 18px 0 20px;
  }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; gap: 12px 20px; }
  .side-foot { display: none; }
  main { padding: 30px 22px 56px; }
  .prose > h1 { font-size: 1.85rem; }
  .prose h2 { font-size: 1.3rem; }
  table { font-size: 12.5px; }
}

@media (prefers-reduced-motion: no-preference) {
  .prose > h1, .prose > h1 + p { animation: rise 260ms ease-out both; }
  .prose > h1 + p { animation-delay: 60ms; }
  @keyframes rise {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: none; }
  }
}