/* ── Docs layout ────────────────────────────────────────────────── */
.docs-wrap {
  display: grid;
  grid-template-columns: 190px 1fr;
  min-height: calc(100vh - var(--nav-h));
}

/* ── Sidebar ────────────────────────────────────────────────────── */
.docs-sidebar {
  border-right: 1px solid var(--border);
  padding: 1.25rem 0;
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  background: var(--bg-alt);
}
.sidebar-group { margin-bottom: 0.25rem; }
.sidebar-heading {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: bold;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-lo);
  padding: 0.85rem 1rem 0.3rem;
  display: block;
}
.sidebar-link {
  display: block;
  padding: 0.3rem 1rem;
  font-size: 0.83rem;
  color: var(--text-lo);
  text-decoration: none;
  border-left: 2px solid transparent;
}
.sidebar-link:hover { color: var(--text-hi); }
.sidebar-link:visited { color: var(--text-lo); }
.sidebar-link:hover:visited { color: var(--text-hi); }
.sidebar-link.active {
  color: var(--link);
  border-left-color: var(--link);
  background: var(--bg);
}

/* ── Content ────────────────────────────────────────────────────── */
.docs-content {
  padding: 2.5rem clamp(2rem, 5vw, 3.5rem) 4rem;
  max-width: 740px;
}

/* ── Prose ──────────────────────────────────────────────────────── */
.prose { color: var(--text); line-height: 1.7; }
.prose h1 {
  font-size: 1.4rem;
  color: var(--text-hi);
  font-weight: bold;
  margin-bottom: 0.25rem;
}
.prose .doc-subtitle {
  font-size: 0.82rem;
  color: var(--text-lo);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  display: block;
}
.prose h2 {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: bold;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-lo);
  margin: 2.25rem 0 0.65rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}
.prose h3 {
  font-size: 0.95rem;
  color: var(--text-hi);
  font-weight: bold;
  margin: 1.5rem 0 0.35rem;
}
.prose h4 {
  font-size: 0.82rem;
  font-family: var(--mono);
  color: var(--text-lo);
  margin: 1.25rem 0 0.3rem;
  font-weight: bold;
}
.prose p { font-size: 0.9rem; margin-bottom: 0.8rem; }
.prose a { color: var(--link); }
.prose a:visited { color: var(--link-v); }

.prose ul, .prose ol {
  margin: 0.25rem 0 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.prose ul { list-style: none; }
.prose ul li {
  font-size: 0.88rem;
  color: var(--text-lo);
  padding-left: 1.1rem;
  position: relative;
}
.prose ul li::before { content: '–'; position: absolute; left: 0; color: var(--border-hi); }
.prose ol { list-style: decimal; padding-left: 1.25rem; }
.prose ol li { font-size: 0.88rem; color: var(--text-lo); }
.prose strong { color: var(--text-hi); font-weight: bold; }

.prose code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--bg-alt);
  padding: 0.05em 0.3em;
  color: var(--text-hi);
}
.prose pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border-hi);
  padding: 0.85rem 1rem;
  overflow-x: auto;
  margin: 0.5rem 0 1rem;
  font-size: 0.82rem;
  line-height: 1.6;
}
.prose pre code { background: none; padding: 0; font-size: inherit; color: var(--text); }
.prose blockquote {
  border-left: 3px solid var(--border-hi);
  padding: 0.25rem 0 0.25rem 1rem;
  margin: 0.75rem 0;
}
.prose blockquote p { color: var(--text-lo); font-size: 0.88rem; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 1.75rem 0; }

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin: 0.5rem 0 1rem;
  border: 1px solid var(--border);
}
.prose th {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-lo);
  text-align: left;
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  font-weight: bold;
}
.prose td {
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-lo);
  vertical-align: top;
  border-right: 1px solid var(--border);
}
.prose td:first-child { font-family: var(--mono); font-size: 0.82rem; color: var(--text-hi); }
.prose td:last-child { border-right: none; }
.prose tr:last-child td { border-bottom: none; }

/* ── Prev / next ────────────────────────────────────────────────── */
.doc-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
  font-size: 0.83rem;
}
.doc-nav a { text-decoration: none; color: var(--text-lo); }
.doc-nav a:hover { color: var(--link); }
.doc-nav .dir { font-family: var(--mono); font-size: 0.72rem; color: var(--text-lo); display: block; margin-bottom: 0.15rem; }
.doc-nav .next-link { text-align: right; }

/* ── Loading ────────────────────────────────────────────────────── */
#doc-loading {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 2rem 0; color: var(--text-lo); font-size: 0.83rem;
}
.ldot {
  width: 4px; height: 4px; background: var(--text-lo);
  animation: ld 1.2s ease-in-out infinite;
}
.ldot:nth-child(2) { animation-delay: 0.2s; }
.ldot:nth-child(3) { animation-delay: 0.4s; }
@keyframes ld { 0%,80%,100% { opacity:0.2; } 40% { opacity:1; } }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 720px) {
  .docs-wrap { grid-template-columns: 1fr; }
  .docs-sidebar {
    position: static; height: auto;
    border-right: none; border-bottom: 1px solid var(--border);
    display: flex; flex-wrap: wrap; padding: 0.4rem 0.75rem; gap: 0;
  }
  .sidebar-heading { display: none; }
  .sidebar-group { display: contents; }
  .sidebar-link {
    padding: 0.3rem 0.55rem; border-left: none;
    border-bottom: 2px solid transparent; font-size: 0.8rem;
  }
  .sidebar-link.active { border-left: none; border-bottom-color: var(--link); background: none; }
  .docs-content { padding: 1.5rem 1rem 3rem; }
}