@charset "UTF-8";
/* ============================================================
   AINDF — restraint-first CLI aesthetic
   one page · autoskills.sh patterning · impeccable discipline
   ============================================================ */

:root {
  --mono:  "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --pixel: "Pixelify Sans", "Silkscreen", "Geist Mono", monospace;

  /* dark (default) */
  --bg:        #0a0a0a;
  --bg-elev:   #111111;
  --bg-chrome: #1c1c1c;
  --line:      #1d1d1d;
  --line-2:    #2a2a2a;
  --fg:        #e8e8e8;
  --fg-dim:    #8a8a8a;
  --fg-faint:  #4a4a4a;
  --accent:    #5ef5a0;
  --accent-dim:#1a8a52;
  --selection: rgba(94, 245, 160, 0.22);

  --gutter: clamp(20px, 5vw, 64px);
  --container: 1280px;

  --fs-xs:    11px;
  --fs-sm:    13px;
  --fs-base:  14px;
  --fs-md:    15px;
  --fs-lg:    17px;
}

[data-theme="light"] {
  --bg:        #f4f1e8;
  --bg-elev:   #ecead8;
  --bg-chrome: #ddd9c4;
  --line:      #d0c9af;
  --line-2:    #b6ad90;
  --fg:        #1a1a1a;
  --fg-dim:    #5e5e5e;
  --fg-faint:  #9a9a8a;
  --accent:    #0a7040;
  --accent-dim:#1a8a52;
  --selection: rgba(10, 112, 64, 0.18);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: var(--fs-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body { min-height: 100vh; }
::selection { background: var(--selection); color: var(--fg); }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }
img { max-width: 100%; display: block; }

/* skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 200;
  background: var(--bg-elev);
  border: 1px solid var(--accent);
  color: var(--fg);
  padding: 8px 14px;
  font-size: var(--fs-sm);
}
.skip-link:focus { left: 12px; }

/* ─── floating controls (no header chrome) ─── */
.controls {
  position: fixed;
  top: 18px;
  right: clamp(20px, 5vw, 64px);
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: var(--fs-sm);
}
.kbd-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--fg-dim);
}
.kbd-trigger:hover { color: var(--fg); }
.kbd {
  font-size: 10px;
  padding: 2px 6px;
  border: 1px solid var(--line-2);
  color: var(--fg-dim);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  backdrop-filter: blur(8px);
}
.theme-toggle {
  width: 24px; height: 24px;
  display: grid; place-items: center;
  color: var(--fg-dim);
}
.theme-toggle:hover { color: var(--fg); }
.theme-toggle .icon-light,
.theme-toggle .icon-dark { display: none; }
:root:not([data-theme="light"]) .theme-toggle .icon-light { display: block; }
[data-theme="light"] .theme-toggle .icon-dark { display: block; }

.gh-stars {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 8px;
  border: 1px solid var(--line-2);
  border-radius: 20px;
  color: var(--fg-dim);
  font-size: var(--fs-xs);
  font-family: var(--mono);
  letter-spacing: 0.02em;
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  backdrop-filter: blur(8px);
  transition: color 0.15s, border-color 0.15s;
  text-decoration: none;
  line-height: 1;
}
.gh-stars:hover { color: var(--fg); border-color: var(--fg-faint); }
.gh-stars .gh-mark { flex-shrink: 0; }
.gh-stars .gh-star { color: var(--accent); flex-shrink: 0; }

/* ─── layout ─── */
main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ─── hero (now includes the principles list) ─── */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 88px);
  padding: clamp(72px, 11vw, 128px) 0 clamp(72px, 10vw, 128px);
  align-items: start;
}

.hero-left {
  display: flex;
  flex-direction: column;
}

.hero-right {
  position: sticky;
  top: 64px;
  align-self: start;
}

.hero-lede {
  margin: 0 0 56px;
  color: var(--fg);
  font-size: var(--fs-md);
  max-width: 46ch;
  line-height: 1.7;
}

/* breadcrumb on subpages */
.crumb {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--fg-dim);
  margin: 0 0 28px;
}
.crumb a { color: var(--fg); }
.crumb a:hover { color: var(--accent); }

/* ─── subpage layout: sticky sidebar + content ─── */
.layout {
  display: grid;
  grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 88px);
  padding: clamp(56px, 8vw, 96px) 0 clamp(72px, 10vw, 128px);
  max-width: var(--container);
  margin: 0 auto;
}

.sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.sidebar-brand {
  font-family: var(--pixel);
  font-weight: 700;
  font-size: clamp(28px, 3vw, 36px);
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--fg);
  text-shadow:
    1px 1px 0 var(--bg-chrome),
    2px 2px 0 var(--bg-chrome),
    3px 3px 0 var(--bg-chrome);
}
[data-theme="light"] .sidebar-brand {
  text-shadow:
    1px 1px 0 var(--line),
    2px 2px 0 var(--line),
    3px 3px 0 var(--line);
}
.sidebar-brand:hover { color: var(--accent); }

.sidebar-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: var(--fs-sm);
}
.sidebar-nav a {
  color: var(--fg-dim);
  padding: 2px 0;
}
.sidebar-nav a:hover { color: var(--fg); }
.sidebar-nav a[aria-current="page"] { color: var(--accent); }
.sidebar-nav a[aria-current="page"]::before {
  content: "▸ ";
}
.sidebar-meta {
  font-size: var(--fs-xs);
  color: var(--fg-faint);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sidebar-meta a { color: var(--fg-dim); }
.sidebar-meta a:hover { color: var(--accent); }

.content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 6vw, 64px);
}
.content > .term { width: 100%; }
.content > .term .term-body { min-height: 0; }

/* .final inside layout spans full width below content + sidebar */
.layout > .final {
  grid-column: 1 / -1;
}

/* clickable numbered theses — whole row is a link */
.numbered.linked {
  border-top: 1px solid var(--line);
}
.numbered.linked li {
  border-bottom: 1px solid var(--line);
  display: block;
}
.numbered.linked li > a {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 16px clamp(16px, 2vw, 24px);
  align-items: baseline;
  color: inherit;
  padding: clamp(20px, 2.5vw, 28px) 0;
  transition: color 0.15s;
}
.numbered.linked li > a:hover { color: var(--accent); }
.numbered.linked li > a:hover .t { color: var(--accent); }
.numbered.linked li > a:hover .ext { color: var(--accent); }
.numbered.linked li > a .ext {
  color: var(--fg-faint);
  font-size: var(--fs-sm);
  align-self: start;
  padding-top: 2px;
}
.numbered.linked li > a .d { color: var(--fg-dim); }
.numbered.linked li > a:hover .d { color: var(--fg); }

/* clickable terminal rows */
a.row {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s;
}
a.row:hover .pkg,
a.row:hover .from,
a.row:hover .n { color: var(--accent); }
a.row:hover .from::before { color: var(--accent); }

/* sr-only for accessibility */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* the merged "what makes" h1 inside hero-left */
.hero-left .block-title {
  margin: 0 0 44px;
  font-size: clamp(32px, 4.4vw, 48px);
}
.hero-left .numbered { margin: 0; }

.section-label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--fg-dim);
  margin: 0 0 18px;
  font-weight: 400;
}

.cmd-box {
  display: inline-flex;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid var(--line-2);
  background: var(--bg-elev);
  font-size: var(--fs-sm);
  gap: 14px;
  min-width: 280px;
}
.cmd-box .prompt { color: var(--fg-dim); }
.cmd-box .text { color: var(--fg); flex: 1; }
.cmd-box .copy-btn {
  color: var(--fg-faint);
  display: grid; place-items: center;
  padding: 0;
}
.cmd-box .copy-btn:hover,
.cmd-box .copy-btn.copied { color: var(--accent); }
.cmd-box .copy-btn svg { display: block; }

/* ─── terminal window ─── */
.term {
  border: 1px solid var(--line-2);
  background: var(--bg-elev);
  font-family: var(--mono);
  font-size: var(--fs-sm);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.term-chrome {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-chrome);
}
.term-dots { display: inline-flex; gap: 8px; }
.term-dots span {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--line-2);
}
.term-title {
  margin-left: 14px;
  color: var(--fg-faint);
  font-size: var(--fs-xs);
}
.term-body {
  padding: 24px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 560px;
}
.term-body.compact { min-height: 0; }
.term-line { white-space: pre-wrap; word-break: break-word; }
.term-line .prompt { color: var(--fg-dim); }
.term-line .ok,
.term-line .acc { color: var(--accent); }
.term-line .dim { color: var(--fg-dim); }
.term-line .faint { color: var(--fg-faint); }
.term-spacer { height: 14px; }
.term-spacer-sm { height: 6px; }

.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--accent);
  vertical-align: -2px;
  margin-left: 2px;
  animation: blink 1s steps(2, end) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } }

/* the highlighted info box (autoskills pattern) */
.term-box {
  border: 1px solid var(--accent);
  padding: 14px 18px;
  margin: 14px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}
.term-box .left { display: flex; flex-direction: column; gap: 4px; }
.term-box .name { color: var(--accent); font-weight: 500; }
.term-box .desc { color: var(--fg); }
.term-box .ver { color: var(--fg-dim); font-size: var(--fs-xs); white-space: nowrap; }

/* ▶ heading inside terminal */
.term-section {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--fg);
}
.term-section::before { content: "▶"; color: var(--accent); }
.term-section .count { color: var(--fg-dim); white-space: nowrap; }

.term-tech {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px 28px;
  margin: 10px 0;
}
.term-tech .t { display: inline-flex; align-items: baseline; gap: 8px; }
.term-tech .t::before { content: "✓"; color: var(--accent); }

.term-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 10px 0;
  font-variant-numeric: tabular-nums;
}
.term-list .row {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 12px;
  align-items: baseline;
}
.term-list .n { color: var(--fg-dim); text-align: right; }
.term-list .pkg { color: var(--accent); }
.term-list .from { color: var(--fg-dim); }
.term-list .from::before { content: "← "; color: var(--fg-faint); }

/* code block inside terminal */
.term-code {
  margin: 4px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg) 50%, transparent);
  font-family: var(--mono);
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--fg-dim);
  white-space: pre;
  overflow-x: auto;
}
.term-code .k { color: var(--fg); }
.term-code .s { color: var(--accent); }
.term-code .c { color: var(--fg-faint); }

/* offer = the final clickable git-clone line inside the terminal */
.term-offer {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  padding: 12px 14px;
  border: 1px solid var(--line-2);
  color: var(--fg);
  transition: border-color 0.15s, color 0.15s;
}
.term-offer .prompt { color: var(--fg-dim); }
.term-offer .cmd-text { white-space: nowrap; }
.term-offer .ext { margin-left: auto; color: var(--fg-faint); transition: color 0.15s; }
.term-offer:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.term-offer:hover .prompt,
.term-offer:hover .ext { color: var(--accent); }

/* ─── content blocks (all subsequent sections share this) ─── */
.block {
  padding: clamp(56px, 8vw, 96px) 0;
  border-top: 1px solid var(--line);
}
.block-title {
  font-family: var(--pixel);
  font-size: clamp(28px, 3.8vw, 40px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0.02em;
  margin: 0 0 40px;
  color: var(--fg);
}
.block-lede {
  color: var(--fg-dim);
  font-size: var(--fs-md);
  max-width: 64ch;
  margin: -24px 0 48px;
  line-height: 1.7;
}
.block-lede em { color: var(--fg); font-style: italic; }

/* numbered [N] steps list (principles) */
.numbered {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 3vw, 36px);
  max-width: 760px;
}
.numbered li {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 14px;
  align-items: baseline;
}
.numbered .n {
  color: var(--fg-dim);
  font-size: var(--fs-sm);
  padding-top: 2px;
}
.numbered .t {
  font-size: var(--fs-md);
  color: var(--fg);
  margin-bottom: 6px;
  font-weight: 400;
}
.numbered .d {
  margin: 0;
  color: var(--fg-dim);
  font-size: var(--fs-sm);
  line-height: 1.7;
  max-width: 62ch;
}
.numbered .d code {
  color: var(--fg);
  background: transparent;
  padding: 0;
  font-size: 1em;
}

/* small inline "soon" badge */
.badge-soon {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  vertical-align: 1px;
}

/* options-style list (artifacts) */
.options {
  margin: 0;
  display: flex;
  flex-direction: column;
}
.options .opt {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 24px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.options .opt:first-child { border-top: 0; padding-top: 0; }
.options dt { font-size: var(--fs-sm); margin: 0; }
.options dt .flag { color: var(--accent); }
.options dd {
  margin: 0;
  color: var(--fg-dim);
  font-size: var(--fs-sm);
  line-height: 1.6;
}
.options dd code {
  color: var(--fg);
  background: transparent;
  padding: 0;
}
.options .opt-link {
  font-size: var(--fs-sm);
  color: var(--fg-faint);
  white-space: nowrap;
}
.options .opt-link:hover { color: var(--accent); }

/* implementations flat list */
.impl-rows {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.impl-rows li {
  display: grid;
  grid-template-columns: minmax(220px, 280px) 1fr;
  gap: clamp(20px, 3vw, 48px);
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.impl-rows li:first-child { border-top: 0; }
.impl-rows .lhs {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.impl-rows .lhs-n {
  color: var(--fg-faint);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
}
.impl-rows .lhs-t {
  color: var(--fg);
  font-size: var(--fs-md);
}
.impl-rows .lhs-art {
  font-size: var(--fs-sm);
  color: var(--fg-faint);
}
.impl-rows .lhs-art a { color: var(--fg-dim); }
.impl-rows .lhs-art a:hover { color: var(--accent); }
.impl-rows .rhs {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: var(--fs-sm);
  align-content: flex-start;
}
.impl-rows .rhs a {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 2px 0;
}
.impl-rows .rhs .pkg { color: var(--accent); white-space: nowrap; }
.impl-rows .rhs .how { color: var(--fg-dim); }
.impl-rows .rhs a[href]:hover .pkg { text-decoration: underline; text-underline-offset: 4px; }
.impl-rows .rhs a[href]:hover .how { color: var(--fg); }
.impl-rows .rhs .note { color: var(--fg-faint); display: block; padding: 2px 0; font-style: italic; }
.impl-rows .rhs .note.gap { color: var(--accent); font-style: normal; }

/* final */
.final {
  padding: clamp(72px, 10vw, 128px) 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.final-text {
  color: var(--fg);
  font-size: var(--fs-md);
  line-height: 1.7;
  margin: 0;
  max-width: 56ch;
}
.final .cmd-box {
  width: 100%;
  max-width: 450px;
}
.final-links {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: var(--fs-sm);
}
.final-links li a { color: var(--fg); padding: 4px 0; display: inline-block; }
.final-links li a:hover { color: var(--accent); }
.final-links .muted { color: var(--fg-dim); padding: 4px 0; display: inline-block; }

/* ─── footer (page nav + meta) ─── */
.foot {
  border-top: 1px solid var(--line);
  padding: 40px var(--gutter) 32px;
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.foot-nav {
  display: flex;
  gap: 4px 32px;
  flex-wrap: wrap;
  font-size: var(--fs-sm);
}
.foot-nav a {
  color: var(--fg);
  padding: 4px 0;
}
.foot-nav a:hover { color: var(--accent); }
.foot-nav a[aria-current="page"] { color: var(--accent); }
.foot-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-xs);
  color: var(--fg-faint);
}
.foot-meta a { color: var(--fg-dim); }
.foot-meta a:hover { color: var(--accent); }
.foot-meta .links { display: flex; gap: 24px; flex-wrap: wrap; }

/* ─── ⌘K palette ─── */
.cmdk-backdrop {
  position: fixed; inset: 0;
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
}
.cmdk-backdrop[data-open] { display: flex; }
.cmdk {
  width: min(560px, calc(100vw - 32px));
  background: var(--bg-elev);
  border: 1px solid var(--line-2);
  font-family: var(--mono);
  display: flex;
  flex-direction: column;
  max-height: 60vh;
}
.cmdk-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}
.cmdk-input-row .prompt { color: var(--fg-dim); }
.cmdk-input {
  flex: 1;
  background: transparent;
  border: 0; outline: 0;
  color: var(--fg);
  font: inherit;
  font-size: var(--fs-md);
  caret-color: var(--accent);
}
.cmdk-input::placeholder { color: var(--fg-faint); }
.cmdk-list { overflow-y: auto; padding: 8px 0; }
.cmdk-section {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--fg-faint);
  padding: 10px 18px 4px;
}
.cmdk-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 18px;
  font-size: var(--fs-sm);
  color: var(--fg-dim);
  cursor: pointer;
  width: 100%;
  text-align: left;
}
.cmdk-item:hover,
.cmdk-item[data-active] {
  background: var(--bg-chrome);
  color: var(--fg);
}
.cmdk-item .hint {
  margin-left: auto;
  font-size: 10px;
  color: var(--fg-faint);
  letter-spacing: 0.08em;
}
.cmdk-empty {
  padding: 18px;
  font-size: var(--fs-sm);
  color: var(--fg-faint);
}
.cmdk-foot {
  padding: 8px 18px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--fg-faint);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
}

/* ============================================================
   additions — spec articles · figures · schema browser · diagrams
   ============================================================ */

/* prose article (spec sections) */
.article {
  scroll-margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 760px;
}
.article-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}
.article-head .sec {
  font-size: var(--fs-sm);
  color: var(--fg-dim);
}
.article-head h2 {
  font-family: var(--pixel);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin: 0;
  color: var(--fg);
}
.article-head .ext {
  margin-left: auto;
  font-size: var(--fs-xs);
  color: var(--fg-faint);
}
.article-head .ext:hover { color: var(--accent); }
.article p {
  margin: 0;
  color: var(--fg-dim);
  font-size: var(--fs-md);
  line-height: 1.75;
  max-width: 68ch;
}
.article p strong { color: var(--fg); font-weight: 500; }
.article p code, .prose-list code {
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 12%, transparent);
  padding: 1px 5px;
  font-size: 0.92em;
}
.article blockquote {
  margin: 4px 0;
  padding: 16px 20px;
  border-left: 2px solid var(--accent);
  background: var(--bg-elev);
  color: var(--fg);
  font-size: var(--fs-md);
  line-height: 1.7;
}
.article blockquote strong { color: var(--accent); }
.prose-list {
  margin: 4px 0;
  padding-left: 20px;
  color: var(--fg-dim);
  font-size: var(--fs-md);
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.prose-list strong { color: var(--fg); font-weight: 500; }

/* tables in spec */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
  margin: 4px 0;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: var(--fg-dim);
}
.spec-table th {
  color: var(--fg);
  font-weight: 500;
  border-bottom: 1px solid var(--line-2);
}
.spec-table td code, .spec-table th code {
  color: var(--accent);
  font-size: 0.92em;
}

/* figure / illustration */
.figure {
  margin: 8px 0;
  border: 1px solid var(--line);
  background: var(--bg-elev);
}
.figure img {
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--line);
}
.figure figcaption {
  padding: 10px 14px;
  font-size: var(--fs-xs);
  color: var(--fg-faint);
}
.figure figcaption .tag { color: var(--accent); }

/* ascii / box diagram block (for sections without illustration) */
.diagram {
  margin: 8px 0;
  padding: 18px 20px;
  border: 1px solid var(--line-2);
  background: color-mix(in oklab, var(--bg) 50%, transparent);
  font-family: var(--mono);
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--fg-dim);
  white-space: pre;
  overflow-x: auto;
}
.diagram .k { color: var(--fg); }
.diagram .a { color: var(--accent); }
.diagram .c { color: var(--fg-faint); }

/* ─── schema browser ─── */
.schema-browser {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.schema-item { border-bottom: 1px solid var(--line); }
.schema-summary {
  display: grid;
  grid-template-columns: 24px minmax(0,1fr) auto;
  gap: 14px;
  align-items: baseline;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  width: 100%;
  text-align: left;
}
.schema-summary::-webkit-details-marker { display: none; }
.schema-summary .car { color: var(--accent); transition: transform 0.15s; }
details[open] > .schema-summary .car { transform: rotate(90deg); }
.schema-summary .file { color: var(--fg); font-size: var(--fs-md); }
.schema-summary .file .ext { color: var(--fg-faint); }
.schema-summary .desc {
  color: var(--fg-dim);
  font-size: var(--fs-sm);
  grid-column: 2;
}
.schema-summary .size { color: var(--fg-faint); font-size: var(--fs-xs); white-space: nowrap; }
.schema-summary:hover .file { color: var(--accent); }

.schema-detail {
  padding: 0 0 28px 38px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.fields {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}
.fields th, .fields td {
  text-align: left;
  padding: 8px 14px 8px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.fields th { color: var(--fg-faint); font-weight: 400; font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.1em; }
.fields td.field { color: var(--accent); white-space: nowrap; }
.fields td.type { color: var(--fg); white-space: nowrap; }
.fields td.req { color: var(--fg-faint); white-space: nowrap; font-size: var(--fs-xs); }
.fields td.note { color: var(--fg-dim); line-height: 1.6; }
.schema-actions { display: flex; gap: 20px; font-size: var(--fs-sm); flex-wrap: wrap; }
.schema-actions a { color: var(--fg-dim); }
.schema-actions a:hover { color: var(--accent); }
.schema-actions a .ext { color: var(--fg-faint); }

/* mobile command-nav drawer trigger (shown < 920px) */
.nav-trigger { display: none; }

/* ─── responsive ─── */
@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; gap: 56px; }
  .hero-right { position: static; }
  .term-body { min-height: 440px; }
  .impl-rows li { grid-template-columns: 1fr; gap: 14px; }
  .impl-rows .rhs a { grid-template-columns: 140px 1fr; gap: 16px; }
  .options .opt { grid-template-columns: 1fr; gap: 6px; }
  .options .opt-link { grid-row: 1; justify-self: end; }

  .layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .sidebar {
    position: static;
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px 28px;
  }
  .sidebar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px 18px;
  }
  .sidebar-meta { display: none; }
}

@media (max-width: 600px) {
  .controls { top: 12px; }
  .term-tech { grid-template-columns: 1fr 1fr; }
  .numbered.linked li > a { grid-template-columns: 32px 1fr auto; gap: 10px; }
  .block-lede { margin-top: -16px; margin-bottom: 32px; }
  .impl-rows .rhs a { grid-template-columns: 1fr; gap: 2px; }
  .impl-rows .rhs .from::before { content: ""; }
  .schema-detail { padding-left: 0; }
  .fields td.note { font-size: var(--fs-xs); }
  .term-body { padding: 18px 16px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  html { scroll-behavior: auto; }
}