/* ════════════════════════════════════════════════════════════
   h5i-db documentation stylesheet
   Shares the monochrome + red dark system with the landing page
   (docs/index.html): greyscale from near-black to true white,
   red as the single accent.
   Generated pages: manual / api / cookbook.
   ════════════════════════════════════════════════════════════ */
:root {
  --red:        #e0241b;
  --red-bright: #ff3b30;
  --red-dark:   #8a0f0a;
  --red-glow:   rgba(224,36,27,0.10);
  --red-text:   #ff6258;
  --danger:     #ff6258;
  --warn:       #d6a94e;
  --bg:         #08080b;
  --bg-card:    #0e0e12;
  --bg-card2:   #141419;
  --bg-term:    #0b0b0f;
  --border:     rgba(255,255,255,0.09);
  --border-hi:  rgba(255,255,255,0.20);
  --border-red: rgba(224,36,27,0.45);
  --ink:        #ffffff;
  --text:       #e8e8ec;
  --text-dim:   #9a9aa4;
  --text-faint: #6b6b75;
  --cyan:       #a9bdd0;
  --green:      #62c98c;
  --yellow:     #d6a94e;
  --grid:       rgba(255,255,255,0.022);
  --mono:       'Space Mono', ui-monospace, monospace;
  --sans:       'Space Grotesk', -apple-system, system-ui, sans-serif;
  --radius:     8px;
  --radius-lg:  14px;
  --sidebar-w:  264px;
  --toc-w:      216px;
  --measure:    1380px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  font-family: var(--sans);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: var(--red); color: #fff; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--red); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--red-text); outline-offset: 3px; border-radius: 4px;
}

/* ── Background grid (same as landing) ─────────────────────── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 5%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 5%, transparent 80%);
}

/* ── Top nav (same as landing) ─────────────────────────────── */
nav.topnav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2.5rem;
  background: rgba(8,8,11,0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex; align-items: center; gap: 0.7rem;
  font-weight: 700; font-size: 1.1rem; letter-spacing: 0.02em;
  color: var(--ink);
}
.nav-logo img { width: 28px; height: 28px; border-radius: 6px; }
.nav-logo span::after {
  content: ''; display: inline-block;
  width: 5px; height: 5px; margin-left: 5px; border-radius: 1px;
  background: var(--red); vertical-align: middle;
}
.nav-links { display: flex; gap: 1.9rem; align-items: center; list-style: none; }
.nav-links a {
  font-size: 0.82rem; font-weight: 500; letter-spacing: 0.01em;
  color: var(--text-dim); transition: color 0.18s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: ''; display: block; height: 2px; margin-top: 2px;
  background: var(--red); border-radius: 1px;
}
.nav-cta {
  background: var(--ink); color: #08080b !important;
  padding: 0.42rem 1.05rem; border-radius: 6px;
  font-weight: 700 !important; letter-spacing: 0.01em !important;
  transition: background 0.18s, transform 0.18s !important;
}
.nav-cta:hover { background: #fff; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }
.nav-hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; background: none; border: none; padding: 6px; }
.nav-hamburger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

.skip-link {
  position: fixed; top: -60px; left: 1rem; z-index: 300;
  background: var(--ink); color: #08080b; padding: 0.6rem 1rem;
  border-radius: 0 0 8px 8px; font-weight: 700; font-size: 0.85rem;
  transition: top 0.15s;
}
.skip-link:focus { top: 0; }

/* ── Layout: sidebar · article · toc ───────────────────────── */
.docs-shell {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  gap: 3rem;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 96px 2.5rem 0;
  align-items: start;
}

/* ── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  position: sticky; top: 96px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding-bottom: 2rem;
  font-size: 0.85rem;
  scrollbar-width: thin;
}
.sidebar-group { margin-bottom: 1.6rem; }
.sidebar-group > .group-label {
  font-family: var(--mono); font-size: 0.64rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--red-text); margin-bottom: 0.55rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.sidebar-group > .group-label::before {
  content: ''; width: 5px; height: 5px; background: var(--red); border-radius: 1px;
}
.sidebar ul { list-style: none; }
.sidebar li a {
  display: block; padding: 0.28rem 0.7rem;
  color: var(--text-dim); border-left: 1px solid var(--border);
  transition: color 0.15s, border-color 0.15s;
  line-height: 1.45;
}
.sidebar li a:hover { color: var(--ink); border-left-color: var(--border-hi); }
.sidebar li a.active {
  color: var(--ink); border-left: 2px solid var(--red);
  padding-left: calc(0.7rem - 1px); font-weight: 600;
}

/* search box */
.search-box { position: relative; margin-bottom: 1.6rem; }
.search-box input {
  width: 100%;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text);
  font-family: var(--sans); font-size: 0.85rem;
  padding: 0.55rem 0.8rem 0.55rem 2.1rem;
  outline: none; transition: border-color 0.15s;
}
.search-box input:focus { border-color: var(--border-hi); }
.search-box input::placeholder { color: var(--text-faint); }
.search-box::before {
  content: ''; position: absolute; left: 0.75rem; top: 50%;
  width: 12px; height: 12px; transform: translateY(-58%);
  border: 1.5px solid var(--text-faint); border-radius: 50%;
}
.search-box::after {
  content: ''; position: absolute; left: 1.42rem; top: 58%;
  width: 6px; height: 1.5px; background: var(--text-faint);
  transform: rotate(45deg);
}
.search-box kbd {
  position: absolute; right: 0.6rem; top: 50%; transform: translateY(-50%);
  font-family: var(--mono); font-size: 0.62rem; color: var(--text-faint);
  border: 1px solid var(--border); border-radius: 4px; padding: 0.08rem 0.4rem;
  pointer-events: none;
}
.search-results {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 90;
  width: 132%; min-width: 260px; max-height: 340px; overflow-y: auto;
  background: var(--bg-card2); border: 1px solid var(--border-hi);
  border-radius: var(--radius); box-shadow: 0 18px 50px rgba(0,0,0,0.6);
  display: none;
}
.search-results.open { display: block; }
.search-results a {
  display: block; padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem; color: var(--text);
}
.search-results a:last-child { border-bottom: none; }
.search-results a:hover, .search-results a.sel { background: rgba(224,36,27,0.09); }
.search-results .r-sec {
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--red-text);
}
.search-results .r-title { font-weight: 600; }
.search-results .r-frag { color: var(--text-dim); font-size: 0.74rem; }
.search-results .empty {
  padding: 0.8rem 0.9rem; color: var(--text-faint); font-size: 0.8rem;
  font-family: var(--mono);
}

/* ── Article ───────────────────────────────────────────────── */
article.doc {
  min-width: 0;
  padding-bottom: 5rem;
  font-size: 0.98rem;
}
.breadcrumb {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-faint);
  margin-bottom: 1.6rem;
  display: flex; gap: 0.6rem; flex-wrap: wrap;
}
.breadcrumb a:hover { color: var(--text); }
.breadcrumb .sep { color: var(--red-text); }

article.doc h1 {
  font-size: clamp(1.9rem, 3.6vw, 2.6rem); font-weight: 700;
  letter-spacing: -0.025em; line-height: 1.12; color: var(--ink);
  margin-bottom: 0.9rem;
}
.doc-lede {
  font-size: 1.06rem; color: var(--text-dim); line-height: 1.65;
  max-width: 640px; margin-bottom: 1.2rem;
}
.doc-divider { width: 40px; height: 2px; background: var(--red); margin: 1.4rem 0 2.6rem; }

article.doc h2 {
  font-size: 1.45rem; font-weight: 700; letter-spacing: -0.02em;
  color: var(--ink); line-height: 1.25;
  margin: 3rem 0 1rem; padding-top: 1.4rem;
  border-top: 1px solid var(--border);
}
article.doc h3 {
  font-size: 1.08rem; font-weight: 700; color: var(--ink);
  margin: 2.2rem 0 0.8rem;
}
article.doc h4 {
  font-size: 0.92rem; font-weight: 700; color: var(--text);
  margin: 1.8rem 0 0.6rem;
  font-family: var(--mono);
}
article.doc h2 code, article.doc h3 code, article.doc h4 code {
  font-size: 0.92em;
}
.headerlink {
  margin-left: 0.45rem; color: var(--text-faint); font-weight: 400;
  opacity: 0; transition: opacity 0.15s;
}
h2:hover .headerlink, h3:hover .headerlink, h4:hover .headerlink { opacity: 1; }
.headerlink:hover { color: var(--red-text); }
:is(h1,h2,h3,h4)[id] { scroll-margin-top: 88px; }

article.doc p { margin-bottom: 1.05rem; max-width: 74ch; }
article.doc ul, article.doc ol { margin: 0 0 1.05rem 1.4rem; max-width: 72ch; }
article.doc li { margin-bottom: 0.35rem; }
article.doc li > ul, article.doc li > ol { margin-top: 0.35rem; margin-bottom: 0.35rem; }
article.doc strong { color: var(--ink); font-weight: 600; }
article.doc a:not(.headerlink) {
  color: var(--red-text); border-bottom: 1px solid var(--border-red);
  transition: color 0.15s, border-color 0.15s;
}
article.doc a:not(.headerlink):hover { color: var(--red-bright); border-bottom-color: var(--red-bright); }
article.doc hr { border: none; border-top: 1px solid var(--border); margin: 2.4rem 0; }
article.doc blockquote {
  border-left: 2px solid var(--border-hi);
  padding: 0.1rem 0 0.1rem 1.1rem;
  color: var(--text-dim); margin-bottom: 1.05rem;
}

/* inline code */
article.doc code {
  font-family: var(--mono); font-size: 0.85em;
  color: var(--red-text);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 5px; padding: 0.08em 0.38em;
  overflow-wrap: anywhere;
}
article.doc a code { color: inherit; }

/* ── Code blocks (terminal cards) ──────────────────────────── */
article.doc div.highlight, article.doc pre.raw {
  position: relative;
  background: var(--bg-term); border: 1px solid var(--border);
  border-radius: var(--radius); margin: 0 0 1.3rem;
  overflow: hidden;
}
article.doc div.highlight pre, article.doc pre.raw {
  padding: 1rem 1.2rem;
  font-family: var(--mono); font-size: 0.8rem; line-height: 1.8;
  color: var(--text-dim);
  overflow-x: auto;
}
article.doc div.highlight code {
  all: unset; font-family: var(--mono);
}
.copy-code {
  position: absolute; top: 0.55rem; right: 0.55rem; z-index: 2;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  border-radius: 5px; padding: 0.28rem 0.6rem; cursor: pointer;
  font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.05em;
  color: var(--text-dim); transition: all 0.15s;
  opacity: 0;
}
div.highlight:hover .copy-code, .nb-cell:hover .copy-code { opacity: 1; }
.copy-code:hover { background: rgba(255,255,255,0.1); color: var(--ink); }

/* Pygments token colors — mapped onto the site palette */
.highlight .c, .highlight .c1, .highlight .cm, .highlight .ch,
.highlight .cs, .highlight .cp, .highlight .cpf { color: var(--text-faint); font-style: italic; }
.highlight .k, .highlight .kn, .highlight .kd, .highlight .kc,
.highlight .kp, .highlight .kr, .highlight .kt, .highlight .ow { color: var(--red-text); }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sd,
.highlight .sb, .highlight .sa, .highlight .se, .highlight .sh,
.highlight .si, .highlight .sx, .highlight .sr, .highlight .ss { color: var(--cyan); }
.highlight .m, .highlight .mi, .highlight .mf, .highlight .mh,
.highlight .mo, .highlight .mb, .highlight .il { color: var(--yellow); }
.highlight .n { color: var(--text); }
.highlight .nb { color: var(--text); }
.highlight .nf, .highlight .fm { color: var(--ink); font-weight: 700; }
.highlight .nc, .highlight .nn { color: var(--ink); }
.highlight .nd { color: var(--text-dim); }
.highlight .nt { color: var(--red-text); }
.highlight .nv, .highlight .vc, .highlight .vg, .highlight .vi { color: var(--cyan); }
.highlight .o { color: var(--text-dim); }
.highlight .p { color: var(--text-dim); }
.highlight .bp { color: var(--text-dim); }
.highlight .err { color: var(--text); }
.highlight .gp { color: var(--red-text); user-select: none; }
.highlight .go { color: var(--text-dim); }
.highlight .gt { color: var(--danger); }
.highlight .w { color: inherit; }
/* shell prompts in console blocks */
.language-console .gp, .language-shell-session .gp { font-weight: 700; }

/* ── Tables ────────────────────────────────────────────────── */
article.doc .table-wrap {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-card); overflow-x: auto;
  margin: 0 0 1.3rem; padding: 0.2rem 1.2rem;
}
article.doc .table-wrap table { border-collapse: collapse; width: 100%; font-size: 0.85rem; }
article.doc .table-wrap th {
  text-align: left; font-family: var(--mono); font-size: 0.62rem;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--text-faint); font-weight: 400;
  padding: 0.95rem 1.1rem 0.7rem 0;
  border-bottom: 1px solid var(--border-hi);
  white-space: nowrap;
}
article.doc .table-wrap td {
  padding: 0.62rem 1.1rem 0.62rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim); vertical-align: top;
  line-height: 1.55;
}
article.doc .table-wrap tr:last-child td { border-bottom: none; }
article.doc .table-wrap td:first-child { color: var(--text); }
article.doc .table-wrap td code, article.doc .table-wrap th code { white-space: nowrap; }

/* ── Admonitions ───────────────────────────────────────────── */
.admonition {
  border: 1px solid var(--border); border-left: 2px solid var(--border-hi);
  border-radius: var(--radius); background: var(--bg-card);
  padding: 1rem 1.3rem; margin: 0 0 1.3rem;
  font-size: 0.9rem;
}
.admonition > .admonition-title {
  font-family: var(--mono); font-size: 0.66rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 0.5rem;
}
.admonition p:last-child { margin-bottom: 0; }
.admonition.note    { border-left-color: var(--border-hi); }
.admonition.tip     { border-left-color: var(--green); }
.admonition.tip     > .admonition-title { color: var(--green); }
.admonition.warning { border-left-color: var(--warn); }
.admonition.warning > .admonition-title { color: var(--warn); }
.admonition.danger  { border-left-color: var(--red); }
.admonition.danger  > .admonition-title { color: var(--red-text); }

/* ══════════════════════════════════════════════════════════════
   API / reference member cards
   Each method, command, or SQL function renders as one bordered
   card: a title bar (qualified name), an attached signature bar,
   then a padded body with typed parameter lists.
   ══════════════════════════════════════════════════════════════ */
.api-member {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  overflow: hidden;
  margin: 0 0 1.5rem;
  scroll-margin-top: 88px;
  transition: border-color 0.2s;
}
.api-member:hover { border-color: var(--border-hi); }

/* title bar — the h3 heading becomes the card header */
article.doc .api-member > h3 {
  margin: 0;
  padding: 0.62rem 1.2rem;
  border-top: none;
  background: var(--bg-card2);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  position: relative;
}
article.doc .api-member > h3::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--red);
}
/* class + method (and the CLI binary + command) are one colour and one weight
   so the whole name reads as a single identifier; the dot is a darker-red
   accent that separates the two halves. */
.api-member > h3 .api-qual { color: var(--red-text); }
.api-member > h3 .api-name { color: var(--red-text); }
.api-member > h3 .api-dot  { color: var(--red); }
.api-member > h3 .headerlink { font-family: var(--sans); }
.api-member > h3 code {
  background: none; border: none; padding: 0; color: var(--red-text); font-size: 1em;
}

/* signature bar — the first code block, attached under the title */
article.doc .api-member .highlight.api-sig {
  margin: 0; border: none; border-radius: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-term);
}
article.doc .api-member .highlight.api-sig pre {
  padding: 0.85rem 1.2rem; font-size: 0.82rem; color: var(--text);
}
.api-member .highlight.api-sig .gp { color: var(--red-text); }

/* body */
.api-member > .api-body { padding: 1.05rem 1.3rem 0.35rem; }
.api-member > .api-body > *:first-child { margin-top: 0; }
.api-member > .api-body > p:first-of-type { color: var(--text); }
.api-member > .api-body p { font-size: 0.93rem; }
.api-member > .api-body .highlight { margin-top: 0.4rem; }
/* tables inside a card lose their own frame — the card is the frame */
.api-member > .api-body .table-wrap {
  border: none; background: transparent; padding: 0;
  margin-top: 0.3rem;
}

/* section labels: PARAMETERS / RETURNS / RAISES / EXAMPLE */
article.doc p.api-label {
  font-family: var(--mono); font-size: 0.63rem; font-weight: 700;
  letter-spacing: 0.17em; text-transform: uppercase;
  color: var(--red-text);
  margin: 1.5rem 0 0.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}
.api-member > .api-body > p.api-label:first-child { margin-top: 0.2rem; }

/* typed parameter lists (def_list): `name` (`type`, optional) : description */
article.doc .api-body dl { margin: 0 0 0.4rem; }
article.doc .api-body dt {
  font-family: var(--mono); font-size: 0.83rem;
  color: var(--text-dim); font-weight: 400;
  margin-top: 0.85rem; line-height: 1.5;
}
article.doc .api-body dt:first-child { margin-top: 0; }
article.doc .api-body dt code {
  background: none; border: none; padding: 0; font-size: 1em;
  color: var(--text-dim);
}
article.doc .api-body dt code:first-child { color: var(--red-text); font-weight: 700; }
article.doc .api-body dd {
  margin: 0.28rem 0 0 0.05rem;
  padding: 0 0 0 1.05rem;
  border-left: 1px solid var(--border);
  color: var(--text-dim); font-size: 0.9rem; line-height: 1.62;
}
article.doc .api-body dd > *:last-child { margin-bottom: 0; }
article.doc .api-body dd code { font-size: 0.86em; }

/* a "Returns" one-liner (label followed by a single paragraph, no dl) */
article.doc .api-body p.api-label + p {
  color: var(--text); font-size: 0.9rem;
}

/* ── Cookbook cards (index pages) ──────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2rem;
}
.card {
  background: var(--bg); padding: 1.5rem 1.4rem;
  display: flex; flex-direction: column; gap: 0.55rem;
  transition: background 0.22s; position: relative;
  border-bottom: none !important;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
  background: var(--red); transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s ease;
}
.card:hover { background: var(--bg-card); }
.card:hover::before { transform: scaleX(1); }
.card .card-no {
  font-family: var(--mono); font-size: 0.66rem; color: var(--text-faint);
  letter-spacing: 0.14em;
}
.card .card-title { font-size: 0.98rem; font-weight: 700; color: var(--ink); line-height: 1.3; }
.card .card-desc { font-size: 0.82rem; color: var(--text-dim); line-height: 1.55; }

/* ── Notebook rendering ────────────────────────────────────── */
.nb-cell { position: relative; margin: 0 0 1.3rem; }
.nb-cell > div.highlight { margin: 0; }
.nb-cell.has-output > div.highlight {
  border-bottom-left-radius: 0; border-bottom-right-radius: 0;
}
.nb-output {
  border: 1px solid var(--border); border-top: none;
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
  background: var(--bg-card);
  overflow: hidden;
}
.nb-output-label {
  font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-faint);
  padding: 0.5rem 1.2rem 0;
}
.nb-output pre {
  padding: 0.7rem 1.2rem 0.9rem;
  font-family: var(--mono); font-size: 0.76rem; line-height: 1.7;
  color: var(--text-dim); overflow-x: auto;
  max-height: 420px; overflow-y: auto;
}
.nb-output pre.stderr { color: var(--warn); }
.nb-output .nb-error { color: var(--danger); }
.nb-output .nb-html { padding: 0.6rem 1.2rem 0.9rem; overflow-x: auto; }
.nb-output img {
  margin: 0.8rem auto 1rem; border-radius: 6px;
  background: #fff; max-width: min(100%, 820px);
}
/* pandas DataFrame tables inside notebook HTML output */
.nb-html table {
  border-collapse: collapse; font-family: var(--mono);
  font-size: 0.72rem; line-height: 1.5;
  font-variant-numeric: tabular-nums;
  margin: 0.4rem 0;
}
.nb-html table th {
  color: var(--text-faint); font-weight: 400; text-align: right;
  padding: 0.35rem 0.8rem; border-bottom: 1px solid var(--border-hi);
  font-size: 0.64rem; text-transform: uppercase; letter-spacing: 0.08em;
}
.nb-html table td {
  color: var(--text-dim); padding: 0.3rem 0.8rem; text-align: right;
  border-bottom: 1px solid var(--border);
}
.nb-html table tr:last-child td { border-bottom: none; }

/* ── Prev / next footer nav ────────────────────────────────── */
.page-nav {
  display: flex; justify-content: space-between; gap: 1rem;
  margin-top: 4rem; padding-top: 1.6rem;
  border-top: 1px solid var(--border);
}
.page-nav a {
  display: flex; flex-direction: column; gap: 0.25rem;
  max-width: 46%;
  padding: 0.9rem 1.2rem;
  border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color 0.18s, background 0.18s;
}
.page-nav a:hover { border-color: var(--border-hi); background: var(--bg-card); }
.page-nav .dir {
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-faint);
}
.page-nav .pn-title { font-size: 0.88rem; font-weight: 600; color: var(--ink); }
.page-nav a.next { margin-left: auto; text-align: right; }

/* ── Right-hand "on this page" toc ─────────────────────────── */
.toc {
  position: sticky; top: 96px;
  max-height: calc(100vh - 120px); overflow-y: auto;
  font-size: 0.78rem; padding-bottom: 2rem;
  scrollbar-width: thin;
}
.toc .toc-label {
  font-family: var(--mono); font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 0.6rem;
}
.toc ul { list-style: none; }
.toc ul ul { padding-left: 0.85rem; }
.toc li a {
  display: block; padding: 0.22rem 0.7rem;
  color: var(--text-dim); border-left: 1px solid var(--border);
  line-height: 1.4; transition: color 0.15s, border-color 0.15s;
}
.toc li a:hover { color: var(--ink); }
.toc li a.active { color: var(--ink); border-left: 2px solid var(--red); padding-left: calc(0.7rem - 1px); }

/* ── Footer ────────────────────────────────────────────────── */
footer.docs-footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 2.4rem 2.5rem;
}
.footer-inner {
  max-width: var(--measure); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1.2rem;
}
.footer-brand { display: flex; align-items: center; gap: 0.6rem; }
.footer-brand img { width: 22px; height: 22px; border-radius: 5px; opacity: 0.85; }
.footer-brand span { font-weight: 700; font-size: 0.9rem; color: var(--ink); }
.footer-brand .sub { color: var(--text-faint); font-weight: 400; }
.footer-links { display: flex; gap: 1.8rem; flex-wrap: wrap; }
.footer-links a { font-size: 0.82rem; color: var(--text-dim); transition: color 0.18s; }
.footer-links a:hover { color: var(--ink); }
.footer-legal { font-size: 0.78rem; color: var(--text-faint); font-family: var(--mono); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1180px) {
  .docs-shell { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 860px) {
  .docs-shell { grid-template-columns: minmax(0, 1fr); padding: 88px 1.3rem 0; gap: 0; }
  .sidebar {
    position: fixed; inset: 64px 0 auto 0; z-index: 95;
    max-height: calc(100vh - 64px);
    background: rgba(8,8,11,0.98);
    border-bottom: 1px solid var(--border);
    padding: 1.4rem 1.6rem 2rem;
    display: none;
  }
  .sidebar.open { display: block; }
  nav.topnav { padding: 0 1.2rem; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: rgba(8,8,11,0.98); border-bottom: 1px solid var(--border); padding: 1.5rem 2rem; gap: 1.2rem; }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }
  .sidebar-toggle { display: inline-flex !important; }
  .page-nav { flex-direction: column; }
  .page-nav a, .page-nav a.next { max-width: 100%; }
}
.sidebar-toggle {
  display: none; align-items: center; gap: 0.5rem;
  margin: 0 0 1.2rem; padding: 0.5rem 0.9rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text-dim);
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}