@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT@9..144,300..700,90&family=JetBrains+Mono:wght@400;500;700&family=Manrope:wght@400;500;600;700;800&display=swap");

:root {
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --shadow-soft: 0 20px 40px -30px rgba(18, 28, 24, 0.42);
  --shadow-card: 0 18px 60px -38px rgba(20, 30, 26, 0.46);
}

body[data-theme="ivory"],
html[data-theme="ivory"],
body.landing[data-theme="ivory"] {
  --bg: #f8f5ee;
  --bg-muted: #eeeadf;
  --bg-panel: rgba(255, 252, 246, 0.88);
  --bg-panel-solid: #fffdf8;
  --text: #1f2a24;
  --text-muted: #5f6f66;
  --border: rgba(59, 74, 68, 0.16);
  --accent: #197a65;
  --accent-soft: #d4f0e6;
  --accent-strong: #0f5e4d;
  --code-bg: #f0ece1;
  --quote-bg: #eef8f3;
  --table-head: #ebe5d8;
  --selection-bg: rgba(33, 119, 96, 0.22);
  --link: #0f6f59;
  --link-hover: #0a5645;
  --copy-btn-bg: #fbf4e9;
  --copy-btn-text: #1f2a24;
  --copy-btn-border: rgba(63, 77, 70, 0.32);
  --copy-btn-hover-bg: #e4f3ec;
  --copy-btn-hover-text: #0f5e4d;
}

body[data-theme="graphite"],
html[data-theme="graphite"],
body.landing[data-theme="graphite"] {
  --bg: #161a1d;
  --bg-muted: #1e2428;
  --bg-panel: rgba(26, 32, 36, 0.84);
  --bg-panel-solid: #21282d;
  --text: #e8ebe9;
  --text-muted: #b3bbb7;
  --border: rgba(151, 168, 159, 0.25);
  --accent: #48c8a8;
  --accent-soft: rgba(72, 200, 168, 0.14);
  --accent-strong: #7ce0c4;
  --code-bg: #242c31;
  --quote-bg: #1d2e2a;
  --table-head: #283237;
  --selection-bg: rgba(72, 200, 168, 0.34);
  --link: #7ce0c4;
  --link-hover: #9cf0d8;
  --copy-btn-bg: #2a3338;
  --copy-btn-text: #ecf3ef;
  --copy-btn-border: rgba(140, 158, 149, 0.46);
  --copy-btn-hover-bg: #223832;
  --copy-btn-hover-text: #88e9cf;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  color-scheme: light;
}

body {
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 8% 8%, var(--bg-muted), var(--bg) 38%);
  line-height: 1.64;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--selection-bg);
}

.ambient-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.ambient-layer-a {
  background:
    radial-gradient(44rem 32rem at 12% -8%, rgba(23, 156, 128, 0.2), transparent 62%),
    radial-gradient(34rem 24rem at 92% 0%, rgba(188, 145, 84, 0.15), transparent 60%);
}

.ambient-layer-b {
  background:
    linear-gradient(120deg, transparent 0 45%, rgba(205, 170, 112, 0.08) 64%, transparent 82%),
    linear-gradient(-110deg, transparent 0 38%, rgba(34, 124, 104, 0.06) 56%, transparent 78%);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.35rem;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--bg-panel-solid), transparent 10%);
  overflow-x: clip;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.brand-kicker {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.brand strong {
  font-family: "Fraunces", serif;
  font-size: clamp(1rem, 0.85rem + 0.6vw, 1.26rem);
  font-weight: 550;
  line-height: 1.1;
}

.topbar-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
  min-width: 0;
}

.doc-filter {
  width: min(30vw, 260px);
  min-width: 0;
  flex: 1 1 auto;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg-panel), transparent 20%);
  color: inherit;
  font: inherit;
}

.filter-status {
  margin: 0;
  min-width: 11ch;
  font-size: 0.74rem;
  letter-spacing: 0.01em;
  text-align: right;
  color: var(--text-muted);
  white-space: nowrap;
}

.doc-filter:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent), transparent 76%);
  outline: none;
}

.icon-btn {
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg-panel), transparent 18%);
  color: inherit;
  border-radius: var(--radius-sm);
  padding: 0.54rem 0.78rem;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 650;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.icon-btn:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

#menu-toggle {
  display: none;
}

.site-shell {
  position: relative;
  z-index: 1;
  width: min(1520px, calc(100% - 2.2rem));
  margin: 1.35rem auto 3rem;
  display: grid;
  gap: 1.35rem;
  grid-template-columns: minmax(240px, 290px) minmax(0, 1fr) minmax(220px, 270px);
}

.nav-pane,
.toc-pane,
.content-pane {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
  box-shadow: var(--shadow-soft);
}

.nav-pane,
.toc-pane {
  position: sticky;
  top: 5.4rem;
  max-height: calc(100vh - 6.3rem);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1.1rem 0.95rem 1rem;
}

.pane-label {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.67rem;
  color: var(--text-muted);
}

.pane-title {
  margin: 0.25rem 0 0.8rem;
  font-size: 0.95rem;
  font-weight: 700;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.doc-nav,
.toc-nav {
  display: grid;
  gap: 0.34rem;
}

.doc-link {
  text-decoration: none;
  color: inherit;
  display: grid;
  gap: 0.16rem;
  padding: 0.6rem 0.62rem;
  border-radius: 11px;
  border: 1px solid transparent;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.doc-link span {
  font-size: 0.9rem;
  font-weight: 600;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.doc-link small {
  font-size: 0.74rem;
  color: var(--text-muted);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.doc-link:hover {
  border-color: var(--border);
  transform: translateX(2px);
  background: color-mix(in oklab, var(--accent-soft), transparent 40%);
}

.doc-link.is-active {
  border-color: color-mix(in oklab, var(--accent), transparent 56%);
  background: color-mix(in oklab, var(--accent-soft), transparent 18%);
}

.doc-link.is-filter-hidden {
  display: none !important;
}

.content-pane {
  padding: clamp(1.05rem, 0.7rem + 1vw, 1.65rem) clamp(1rem, 0.6rem + 1.2vw, 2rem) 1.3rem;
  min-width: 0;
  box-shadow: var(--shadow-card);
}

.doc-content {
  max-width: 920px;
  margin: 0 auto;
  overflow-wrap: break-word;
}

.doc-content h1,
.doc-content h2,
.doc-content h3,
.doc-content h4,
.doc-content h5,
.doc-content h6 {
  margin: 1.45em 0 0.55em;
  line-height: 1.2;
  font-family: "Fraunces", serif;
  letter-spacing: -0.02em;
}

.doc-content h1 {
  margin-top: 0.2em;
  font-size: clamp(1.85rem, 1.45rem + 1.32vw, 2.7rem);
  font-weight: 590;
}

.doc-content h2 {
  font-size: clamp(1.42rem, 1.22rem + 0.75vw, 1.95rem);
  font-weight: 540;
  border-top: 1px solid var(--border);
  padding-top: 0.9em;
}

.doc-content h3 {
  font-size: clamp(1.2rem, 1.05rem + 0.48vw, 1.5rem);
  font-weight: 540;
}

.doc-content h4,
.doc-content h5,
.doc-content h6 {
  font-size: 1rem;
  font-weight: 700;
}

.doc-content p,
.doc-content li,
.doc-content td,
.doc-content th,
.doc-content blockquote,
.doc-content dt,
.doc-content dd {
  font-size: clamp(0.94rem, 0.9rem + 0.17vw, 1.03rem);
}

.doc-content p {
  margin: 0.82em 0;
  color: color-mix(in oklab, var(--text), var(--text-muted) 18%);
}

.doc-content a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 0.11em;
  text-underline-offset: 0.16em;
  text-decoration-skip-ink: auto;
  font-weight: 600;
}

.doc-content a:hover {
  color: var(--link-hover);
}

.doc-content a:focus-visible {
  outline: 2px solid color-mix(in oklab, var(--accent), transparent 26%);
  outline-offset: 2px;
  border-radius: 3px;
}

.doc-content a.external-link::after,
.doc-content a[href^="http"]::after {
  content: " [ext]";
  font-size: 0.72em;
  color: var(--text-muted);
  vertical-align: middle;
}

.doc-content hr {
  margin: 1.6rem 0;
  border: none;
  border-top: 1px solid var(--border);
}

.doc-content ul,
.doc-content ol {
  margin: 0.65rem 0 1.05rem 1.3rem;
  padding: 0;
}

.doc-content li + li {
  margin-top: 0.22rem;
}

.doc-content input[type="checkbox"] {
  width: 0.92rem;
  height: 0.92rem;
  margin-right: 0.36rem;
  accent-color: var(--accent);
}

.doc-content blockquote {
  margin: 1rem 0;
  border-left: 4px solid color-mix(in oklab, var(--accent), transparent 30%);
  padding: 0.68rem 0.92rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--quote-bg);
}

.doc-content code,
.doc-content kbd {
  font-family: "JetBrains Mono", monospace;
}

.doc-content :not(pre) > code {
  background: var(--code-bg);
  border: 1px solid color-mix(in oklab, var(--border), transparent 12%);
  border-radius: 8px;
  padding: 0.13rem 0.34rem;
  font-size: 0.88em;
}

.code-shell {
  position: relative;
  margin: 1.08rem 0;
}

.doc-content pre {
  margin: 0;
  padding: 0.96rem 1rem;
  border-radius: var(--radius-md);
  overflow: auto;
  border: 1px solid color-mix(in oklab, var(--border), transparent 8%);
  background: color-mix(in oklab, var(--code-bg), var(--bg) 16%);
}

.doc-content pre code {
  font-size: 0.84rem;
  line-height: 1.58;
}

.copy-btn {
  position: absolute;
  top: 0.58rem;
  right: 0.58rem;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--copy-btn-border);
  background: var(--copy-btn-bg);
  color: var(--copy-btn-text);
  -webkit-text-fill-color: var(--copy-btn-text);
  border-radius: 999px;
  padding: 0.18rem 0.58rem;
  font-size: 0.71rem;
  font-weight: 700;
  font-family: "Manrope", sans-serif;
  letter-spacing: 0.01em;
  cursor: pointer;
  line-height: 1.2;
  opacity: 1;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.16s ease;
}

.copy-btn:hover {
  border-color: var(--accent);
  background: var(--copy-btn-hover-bg);
  color: var(--copy-btn-hover-text);
  -webkit-text-fill-color: var(--copy-btn-hover-text);
}

.copy-btn:active {
  transform: translateY(1px);
}

.doc-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.15rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: table;
  table-layout: auto;
}

.doc-content thead {
  background: var(--table-head);
}

.doc-content th,
.doc-content td {
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 0.58rem 0.68rem;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.doc-content img,
.doc-content video,
.doc-content audio,
.doc-content iframe,
.doc-content svg,
.doc-content canvas {
  max-width: 100%;
  border-radius: 12px;
}

.doc-content figure {
  margin: 1rem 0;
}

.doc-content figcaption {
  color: var(--text-muted);
  font-size: 0.84rem;
  margin-top: 0.45rem;
}

.doc-content dl {
  margin: 1rem 0;
}

.doc-content dt {
  font-weight: 700;
}

.doc-content dd {
  margin: 0.3rem 0 0.75rem 1rem;
}

.doc-content mark {
  background: color-mix(in oklab, var(--accent), transparent 72%);
  color: inherit;
}

.doc-content .katex-display {
  margin: 1rem 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.doc-content pre.mermaid {
  padding: 0.75rem 0.95rem;
  white-space: pre-wrap;
}

.mermaid-figure {
  margin: 1.25rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--bg-panel-solid), transparent 8%);
  padding: 0.7rem;
}

.mermaid-render svg {
  width: 100%;
  height: auto;
}

.mermaid-error {
  border-color: #bd4f3b;
}

.toc-link {
  display: block;
  text-decoration: none;
  color: var(--text-muted);
  border-left: 2px solid transparent;
  padding: 0.32rem 0.38rem 0.32rem 0.56rem;
  font-size: 0.84rem;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.toc-link:hover {
  color: var(--text);
  border-left-color: color-mix(in oklab, var(--accent), transparent 32%);
}

.toc-link.is-active {
  color: var(--text);
  border-left-color: var(--accent);
  background: color-mix(in oklab, var(--accent-soft), transparent 22%);
}

.toc-level-3 {
  padding-left: 0.95rem;
}

.toc-level-4 {
  padding-left: 1.35rem;
}

.toc-empty {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.doc-pager {
  margin: 1.45rem auto 0.4rem;
  max-width: 920px;
  display: grid;
  gap: 0.72rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pager-link {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--bg-panel-solid), transparent 14%);
  text-decoration: none;
  color: inherit;
  padding: 0.66rem 0.76rem;
  display: grid;
  gap: 0.15rem;
}

.pager-link small {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.65rem;
}

.pager-link strong {
  font-size: 0.9rem;
}

.pager-link.is-empty {
  opacity: 0.6;
  pointer-events: none;
}

.doc-footer {
  max-width: 920px;
  margin: 1rem auto 0;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
}

.doc-footer p {
  margin: 0;
  font-size: 0.82rem;
}

.landing .topbar {
  display: none;
}

.landing-main {
  position: relative;
  z-index: 2;
  width: min(1680px, calc(100% - 2.2rem));
  margin: clamp(1.6rem, 5vh, 4.2rem) auto 4.5rem;
  border: 1px solid color-mix(in oklab, var(--border), transparent 8%);
  border-radius: clamp(22px, 2.2vw, 38px);
  background:
    linear-gradient(
      155deg,
      color-mix(in oklab, var(--bg-panel-solid), white 3%) 0%,
      color-mix(in oklab, var(--bg-panel), transparent 8%) 62%,
      color-mix(in oklab, var(--accent-soft), transparent 34%) 100%
    );
  box-shadow: 0 30px 105px -58px rgba(20, 30, 26, 0.64);
  overflow: hidden;
  isolation: isolate;
}

.landing-main::before {
  content: "";
  position: absolute;
  top: -24%;
  right: -12%;
  width: clamp(320px, 30vw, 620px);
  height: clamp(320px, 30vw, 620px);
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklab, var(--accent), transparent 72%) 0%, transparent 70%);
  opacity: 0.72;
  filter: saturate(1.08);
  pointer-events: none;
}

.landing-main::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, transparent 0 58%, color-mix(in oklab, var(--accent-soft), transparent 64%) 78%, transparent 92%);
  opacity: 0.86;
  pointer-events: none;
}

.landing-hero,
.landing-intelligence,
.landing-grid {
  position: relative;
  z-index: 2;
}

.landing-hero {
  padding: clamp(1.2rem, 1rem + 1.1vw, 2.4rem) clamp(1rem, 0.8rem + 1.3vw, 2.5rem) 1.1rem;
  border-bottom: 1px solid color-mix(in oklab, var(--border), transparent 20%);
}

.landing-kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
}

.landing-hero h1 {
  margin: 0.42rem 0 0.56rem;
  font-family: "Fraunces", serif;
  font-size: clamp(1.9rem, 1.45rem + 2.2vw, 4.8rem);
  font-weight: 600;
  line-height: 1.04;
  color: var(--text);
  text-wrap: balance;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .landing-hero h1 {
    background: linear-gradient(
      145deg,
      color-mix(in oklab, var(--text), white 8%) 0%,
      color-mix(in oklab, var(--text), var(--accent) 26%) 52%,
      color-mix(in oklab, var(--text), white 4%) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.landing-subtitle {
  max-width: 72ch;
  margin: 0;
  font-size: clamp(0.96rem, 0.9rem + 0.3vw, 1.15rem);
  color: color-mix(in oklab, var(--text), var(--text-muted) 30%);
}

.landing-meta-grid {
  margin-top: 1.1rem;
  display: grid;
  gap: 0.74rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.meta-card {
  padding: 0.72rem 0.82rem;
  border-radius: 14px;
  border: 1px solid color-mix(in oklab, var(--border), transparent 18%);
  background: color-mix(in oklab, var(--bg-panel-solid), transparent 20%);
  display: grid;
  gap: 0.1rem;
  transition: transform 0.18s ease, border-color 0.2s ease, background 0.2s ease;
}

.meta-card:hover {
  transform: translateY(-1px);
  border-color: color-mix(in oklab, var(--accent), transparent 52%);
  background: color-mix(in oklab, var(--accent-soft), var(--bg-panel-solid) 90%);
}

.meta-card span {
  font-size: 0.67rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.meta-card strong {
  font-size: clamp(0.86rem, 0.82rem + 0.2vw, 1rem);
  overflow-wrap: anywhere;
}

.landing-intelligence {
  padding: 1rem clamp(1rem, 0.8rem + 1.3vw, 2.5rem) 0.7rem;
  display: grid;
  gap: 0.6rem;
}

.landing-search-shell {
  display: grid;
  gap: 0.3rem;
}

.landing-search-label {
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.landing-grid {
  padding: 0.75rem clamp(1rem, 0.8rem + 1.3vw, 2.5rem) 1.2rem;
  display: grid;
  gap: clamp(0.7rem, 0.5rem + 0.48vw, 1rem);
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.landing-search {
  width: min(100%, 780px);
  min-height: 46px;
  padding: 0.72rem 0.85rem;
  border-radius: 14px;
  border: 1px solid color-mix(in oklab, var(--border), transparent 2%);
  background: color-mix(in oklab, var(--bg-panel-solid), transparent 12%);
  color: var(--text);
  font: inherit;
  box-shadow: inset 0 1px 0 color-mix(in oklab, white, transparent 84%);
}

.landing-search::placeholder {
  color: color-mix(in oklab, var(--text-muted), var(--text) 20%);
}

.landing-search:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent), transparent 78%);
  outline: none;
}

.landing-results {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.folder-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.folder-pill {
  border: 1px solid color-mix(in oklab, var(--border), transparent 18%);
  border-radius: 999px;
  background: color-mix(in oklab, var(--bg-panel-solid), transparent 12%);
  padding: 0.32rem 0.62rem;
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.18s ease;
}

.folder-pill:hover {
  transform: translateY(-1px);
  border-color: color-mix(in oklab, var(--accent), transparent 48%);
  background: color-mix(in oklab, var(--accent-soft), var(--bg-panel-solid) 88%);
}

.folder-pill b {
  font-size: 0.76rem;
  font-weight: 650;
}

.folder-pill small {
  color: var(--text-muted);
  font-size: 0.69rem;
}

.doc-card {
  position: relative;
  border: 1px solid color-mix(in oklab, var(--border), transparent 6%);
  border-radius: clamp(14px, 1vw, 18px);
  background: color-mix(in oklab, var(--bg-panel-solid), transparent 4%);
  box-shadow: 0 18px 44px -36px rgba(17, 25, 21, 0.6);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.doc-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    color-mix(in oklab, var(--accent), transparent 8%),
    color-mix(in oklab, var(--accent), transparent 64%)
  );
  opacity: 0;
  transition: opacity 0.2s ease;
}

.doc-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in oklab, var(--accent), transparent 45%);
  background: color-mix(in oklab, var(--accent-soft), var(--bg-panel-solid) 88%);
  box-shadow: 0 26px 58px -44px rgba(16, 31, 24, 0.7);
}

.doc-card:hover::before {
  opacity: 1;
}

.doc-card-link {
  text-decoration: none;
  color: inherit;
  display: grid;
  gap: 0.34rem;
  padding: 0.9rem 0.9rem 0.88rem;
}

.doc-card-folder {
  margin: 0;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.doc-card h2 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: clamp(1.03rem, 0.92rem + 0.3vw, 1.22rem);
  line-height: 1.2;
}

.doc-card-path {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.77rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.doc-card-depth {
  margin: 0.22rem 0 0;
  font-size: 0.72rem;
  color: color-mix(in oklab, var(--accent), var(--text-muted) 54%);
}

.doc-card.is-filter-hidden {
  display: none !important;
}

.reveal {
  opacity: 0;
  transform: translateY(8px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-literal,
.hljs-title {
  color: #00906a;
}

.hljs-comment,
.hljs-quote {
  color: #7c8b83;
  font-style: italic;
}

.hljs-string,
.hljs-attr,
.hljs-template-variable,
.hljs-name {
  color: #c16843;
}

.hljs-number,
.hljs-symbol,
.hljs-bullet {
  color: #8f6a28;
}

body[data-theme="graphite"] .hljs-keyword,
body[data-theme="graphite"] .hljs-selector-tag,
body[data-theme="graphite"] .hljs-literal,
body[data-theme="graphite"] .hljs-title,
html[data-theme="graphite"] .hljs-keyword,
html[data-theme="graphite"] .hljs-selector-tag,
html[data-theme="graphite"] .hljs-literal,
html[data-theme="graphite"] .hljs-title {
  color: #73e4c7;
}

body[data-theme="graphite"] .hljs-string,
body[data-theme="graphite"] .hljs-attr,
body[data-theme="graphite"] .hljs-template-variable,
body[data-theme="graphite"] .hljs-name,
html[data-theme="graphite"] .hljs-string,
html[data-theme="graphite"] .hljs-attr,
html[data-theme="graphite"] .hljs-template-variable,
html[data-theme="graphite"] .hljs-name {
  color: #f0ba7a;
}

body[data-theme="graphite"] .hljs-number,
body[data-theme="graphite"] .hljs-symbol,
body[data-theme="graphite"] .hljs-bullet,
html[data-theme="graphite"] .hljs-number,
html[data-theme="graphite"] .hljs-symbol,
html[data-theme="graphite"] .hljs-bullet {
  color: #ffd08a;
}

@media (min-width: 1800px) {
  .site-shell {
    width: min(1820px, calc(100% - 2.4rem));
  }

  .landing-main {
    width: min(1940px, calc(100% - 2.8rem));
  }

  .landing-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (min-width: 2560px) {
  html {
    font-size: 18px;
  }

  .site-shell {
    width: min(2300px, calc(100% - 3rem));
  }

  .landing-main {
    width: min(2380px, calc(100% - 3.4rem));
  }

  .landing-hero h1 {
    font-size: clamp(2.8rem, 2rem + 2.2vw, 5.8rem);
  }

  .landing-grid {
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  }
}

@media (min-width: 3400px) {
  html {
    font-size: 20px;
  }
}

@media (max-width: 1240px) {
  .site-shell {
    grid-template-columns: minmax(220px, 270px) minmax(0, 1fr);
  }

  .toc-pane {
    display: none;
  }

  .landing-meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .landing-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}

@media (max-width: 980px) {
  #menu-toggle {
    display: inline-flex;
  }

  .topbar {
    flex-wrap: wrap;
  }

  .doc-filter {
    width: auto;
    max-width: 100%;
  }

  .filter-status {
    display: none;
  }

  .site-shell {
    grid-template-columns: minmax(0, 1fr);
    width: min(900px, calc(100% - 1rem));
    margin-top: 0.9rem;
  }

  .nav-pane {
    position: fixed;
    top: 4.5rem;
    left: max(0.45rem, env(safe-area-inset-left));
    right: max(0.45rem, env(safe-area-inset-right));
    width: auto;
    max-width: 360px;
    max-height: calc(100vh - 5.15rem);
    z-index: 45;
    transform: translateX(calc(-100% - 1rem));
    transition: transform 0.24s ease;
    box-shadow: 0 30px 60px -38px rgba(18, 26, 23, 0.68);
  }

  body.sidebar-open .nav-pane {
    transform: translateX(0);
  }

  .doc-pager {
    grid-template-columns: minmax(0, 1fr);
  }

  .landing-main {
    width: calc(100% - 1.1rem);
    margin-top: 1rem;
    border-radius: 18px;
  }

  .landing-hero,
  .landing-intelligence,
  .landing-grid {
    padding-left: 0.82rem;
    padding-right: 0.82rem;
  }

  .landing-meta-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .landing-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 680px) {
  .topbar {
    padding: 0.8rem;
    gap: 0.65rem;
  }

  .topbar-actions {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.55rem;
  }

  .doc-filter {
    width: auto;
    min-width: 0;
  }

  .icon-btn {
    padding-inline: 0.62rem;
  }

  .content-pane {
    padding-inline: 0.68rem;
  }

  .doc-content table {
    font-size: 0.88rem;
  }

  .landing-search {
    min-height: 42px;
  }

  .folder-pills {
    gap: 0.3rem;
  }

  .folder-pill {
    padding: 0.28rem 0.54rem;
  }
}