:root {
  color-scheme: dark;
  --bg: #080b12;
  --bg-raised: #0d121d;
  --surface: #111827;
  --surface-2: #151e2f;
  --surface-3: #1a2538;
  --line: #263247;
  --line-bright: #34445e;
  --text: #edf3f8;
  --text-soft: #b6c2d1;
  --muted: #8190a5;
  --accent: #68e1d4;
  --accent-strong: #26cdbb;
  --accent-ink: #062925;
  --violet: #a99bf7;
  --gold: #efc66d;
  --warning: #efb05e;
  --danger: #f08383;
  --content: 780px;
  --wide: 1180px;
  --radius: 0;
  --control-radius: 7px;
  --panel-bg: rgba(17, 24, 39, .52);
  --panel-bg-hover: rgba(17, 24, 39, .9);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-underline-offset: .18em; }
a:hover { color: #a0f4eb; }

button,
input,
select { font: inherit; }

button,
select { cursor: pointer; }

code,
kbd,
.directory-code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

code {
  padding: .12em .36em;
  color: #c8f6f0;
  background: rgba(104, 225, 212, .09);
  border: 1px solid rgba(104, 225, 212, .12);
  border-radius: 5px;
  font-size: .9em;
}

pre {
  overflow: auto;
  padding: 1rem 1.15rem;
  background: #060911;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

pre code { padding: 0; background: none; border: 0; }

::selection { color: #041b19; background: var(--accent); }

.skip-link {
  position: fixed;
  z-index: 100;
  top: .5rem;
  left: .5rem;
  padding: .55rem .8rem;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 8px;
  transform: translateY(-160%);
}

.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid rgba(52, 68, 94, .72);
  background: rgba(8, 11, 18, .82);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  width: min(calc(100% - 2.5rem), var(--wide));
  min-height: 70px;
  margin: auto;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: var(--text);
  text-decoration: none;
}

.site-brand:hover { color: var(--text); }

.site-brand > span:last-child { display: grid; line-height: 1.12; }
.site-brand strong { letter-spacing: -.015em; }
.site-brand small { margin-top: .22rem; color: var(--muted); font-size: .68rem; letter-spacing: .07em; text-transform: uppercase; }

.brand-mark {
  display: block;
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: .25rem;
}

.site-nav a,
.header-github {
  padding: .48rem .7rem;
  color: var(--text-soft);
  font-size: .87rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a {
  border-bottom: 2px solid transparent;
}

.site-nav a:hover { color: var(--text); border-bottom-color: var(--line-bright); }
.site-nav a.active { color: var(--text); border-bottom-color: var(--accent); }

.header-github {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.header-github:hover { color: var(--text); border-color: var(--line-bright); }
.header-github svg { width: 17px; fill: currentColor; }

.wip-banner {
  color: var(--text-soft);
  background: rgba(239, 198, 109, .09);
  border-bottom: 1px solid rgba(239, 198, 109, .24);
}

.wip-banner-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .45rem .7rem;
  width: min(calc(100% - 2.5rem), var(--wide));
  min-height: 42px;
  margin: auto;
  font-size: .82rem;
  text-align: center;
}

.wip-banner strong { color: var(--gold); }
.wip-banner a { font-weight: 750; white-space: nowrap; }

.site-main {
  width: min(calc(100% - 2.5rem), var(--content));
  min-height: calc(100vh - 310px);
  margin: 0 auto;
  padding: 3.6rem 0 6rem;
}

.site-main-wide { width: min(calc(100% - 2.5rem), var(--wide)); }

.page-content > :first-child { margin-top: 0; }

h1,
h2,
h3,
h4 {
  color: var(--text);
  line-height: 1.17;
  letter-spacing: -.025em;
}

h1 { margin: 0 0 1.2rem; font-size: clamp(2.35rem, 6vw, 4.7rem); }
h2 { margin: 3.5rem 0 1rem; font-size: clamp(1.65rem, 3.5vw, 2.5rem); }
h3 { margin: 2.2rem 0 .65rem; font-size: 1.22rem; }
h4 { margin: 1.7rem 0 .5rem; }

p,
li { color: var(--text-soft); }

strong { color: var(--text); }

hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid var(--line);
}

blockquote {
  margin: 1.4rem 0;
  padding: .2rem 1.1rem;
  color: var(--text-soft);
  border-left: 3px solid var(--violet);
  background: rgba(169, 155, 247, .06);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}

.page-content > table { display: block; overflow-x: auto; }
.page-content > h1 code { overflow-wrap: anywhere; font-size: .78em; }

.table-wrapper { overflow-x: auto; }

th,
td {
  padding: .68rem .75rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

th { color: var(--text); background: var(--surface); }

.eyebrow,
.section-kicker {
  margin: 0 0 .8rem;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.page-heading {
  max-width: 820px;
  margin-bottom: 3rem;
}

.page-heading h1 { margin-bottom: .8rem; }

.page-lede {
  max-width: 760px;
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.6;
}

.platform-guide { margin-top: 1.4rem; }

.platform-selector-shell {
  padding: .8rem;
  background: rgba(13, 18, 29, .9);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  box-shadow: none;
}

.platform-selector-label {
  margin: 0 0 .55rem .15rem;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.platform-selector {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .35rem;
}

.platform-selector button {
  min-height: 46px;
  padding: .55rem .8rem;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--control-radius);
  font-weight: 750;
  transition: color .15s ease, background .15s ease, border-color .15s ease, transform .15s ease;
}

.platform-selector button:hover {
  color: var(--text);
  border-color: var(--line-bright);
  transform: translateY(-1px);
}

.platform-selector button[aria-selected="true"] {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 8px 22px rgba(104, 225, 212, .14);
}

.platform-selector button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.platform-panel {
  margin-top: 1rem;
  padding: clamp(1.15rem, 3vw, 1.8rem);
  background: rgba(17, 24, 39, .66);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.platform-panel[hidden] { display: none; }
.platform-panel > :first-child { margin-top: 0; }
.platform-panel > h2 { font-size: clamp(1.55rem, 3vw, 2rem); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: .66rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--control-radius);
  font-weight: 750;
  text-decoration: none;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}

.button:hover { transform: translateY(-1px); }
.button-primary { color: var(--accent-ink); background: var(--accent); }
.button-primary:hover { color: #031c19; background: #8aeee4; }
.button-secondary { color: var(--text); background: var(--surface-2); border-color: var(--line-bright); }
.button-secondary:hover { color: var(--text); border-color: var(--accent); }
.button-quiet { color: var(--text-soft); background: transparent; border-color: var(--line); }

.docs-overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, .72fr);
  align-items: start;
  gap: clamp(2.5rem, 7vw, 5rem);
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}

.docs-intro {
  max-width: 820px;
  padding-top: 2rem;
}

.docs-intro h1 {
  margin-bottom: .7rem;
  font-size: clamp(2.35rem, 5vw, 3.35rem);
}

.docs-intro .eyebrow { margin-bottom: .5rem; }

.docs-intro-links {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1.25rem;
  margin-top: 1.4rem;
  font-size: .9rem;
}

.docs-intro-links a { color: var(--text-soft); }
.docs-intro-links a:hover { color: var(--accent); }

.docs-quick-links {
  margin-top: 2rem;
  border-top: 1px solid var(--line-bright);
}

.docs-quick-links h2 {
  margin: 0;
  padding: .65rem 0;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.docs-quick-links a {
  display: grid;
  gap: .12rem;
  padding: .85rem 0;
  color: var(--text);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.docs-quick-links a:hover strong { color: var(--accent); }
.docs-quick-links strong { font-size: .9rem; }
.docs-quick-links span { color: var(--muted); font-size: .76rem; line-height: 1.45; }

.home-purpose,
.home-compatibility,
.home-guides,
.home-resources { margin-top: 4.5rem; }

.home-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.3rem;
}

.home-section-heading h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.home-section-heading .section-kicker { margin-bottom: .35rem; }
.home-section-heading > p { max-width: 460px; margin: 0; font-size: .9rem; }

.purpose-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-bright);
  border-bottom: 1px solid var(--line);
}

.purpose-principles article {
  padding: 1.35rem 1.5rem 1.45rem;
  border-right: 1px solid var(--line);
}

.purpose-principles article:first-child { padding-left: 0; }
.purpose-principles article:last-child { padding-right: 0; border-right: 0; }
.purpose-principles span { color: var(--accent); font: 700 .7rem/1 "SFMono-Regular", Consolas, monospace; }
.purpose-principles h3 { margin: .75rem 0 .45rem; font-size: 1rem; }
.purpose-principles p { margin: 0; font-size: .84rem; }

.project-lineage {
  max-width: 930px;
  margin: 1.5rem 0 0;
  color: var(--text-soft);
  font-size: .92rem;
}

.compatibility-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: var(--line);
}

.compatibility-card {
  min-height: 170px;
  padding: 1.3rem 1.4rem;
  background: var(--panel-bg-hover);
}

.compatibility-card-primary { background: rgba(104, 225, 212, .07); }
.compatibility-card > div { display: flex; align-items: center; gap: .7rem; }
.compatibility-card h3 { margin: 0; font-size: 1.08rem; }
.compatibility-card p { margin: .8rem 0 0; font-size: .87rem; }

.compatibility-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.35rem;
  min-height: 1.6rem;
  padding: .22rem .45rem;
  color: var(--accent);
  background: rgba(104, 225, 212, .08);
  border: 1px solid rgba(104, 225, 212, .22);
  border-radius: 5px;
  font: 750 .65rem/1 "SFMono-Regular", Consolas, monospace;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.compatibility-note {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: .78rem;
}

.home-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-bright);
  border-left: 1px solid var(--line);
}

.home-guide {
  display: flex;
  min-height: 190px;
  padding: 1.35rem;
  flex-direction: column;
  color: var(--text);
  background: var(--panel-bg);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background .15s ease, border-color .15s ease;
}

.home-guide:hover {
  color: var(--text);
  background: var(--panel-bg-hover);
  border-color: var(--line-bright);
}

.home-guide h3 { margin: 0 0 .45rem; font-size: 1.08rem; }
.home-guide:hover h3 { color: var(--accent); }
.home-guide p { margin: 0 0 1.2rem; font-size: .88rem; }
.home-guide > span {
  margin-top: auto;
  color: var(--accent);
  font-size: .8rem;
  font-weight: 800;
  line-height: 1.45;
}

.home-resource-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-bright);
  border-bottom: 1px solid var(--line);
}

.home-resource-list a {
  display: grid;
  gap: .35rem;
  padding: 1rem 1.2rem;
  color: var(--text);
  border-right: 1px solid var(--line);
  text-decoration: none;
}

.home-resource-list a:first-child { padding-left: 0; }
.home-resource-list a:last-child { padding-right: 0; border-right: 0; }
.home-resource-list a:hover strong { color: var(--accent); }
.home-resource-list strong { font-size: .86rem; }
.home-resource-list span { color: var(--muted); font-size: .76rem; line-height: 1.5; }

.reference-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 0 5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 24, 39, .66);
}

.reference-stats div { display: grid; gap: .1rem; padding: 1.25rem 1.4rem; border-right: 1px solid var(--line); }
.reference-stats div:last-child { border-right: 0; }
.reference-stats strong { color: var(--text); font-size: 1.45rem; }
.reference-stats span { color: var(--muted); font-size: .76rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }

.reference-catalog {
  position: relative;
  scroll-margin-top: 90px;
  padding: clamp(1.15rem, 3vw, 2rem);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  background: rgba(13, 18, 29, .9);
  box-shadow: none;
}

.catalog-heading,
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
}

.catalog-heading { margin-bottom: 1.2rem; }
.catalog-heading h2,
.section-heading h2 { margin: 0; font-size: clamp(1.5rem, 3vw, 2rem); }
.catalog-heading .section-kicker { margin-bottom: .35rem; }

.catalog-shortcut { margin: 0 0 .2rem; color: var(--muted); font-size: .78rem; }
kbd { padding: .15rem .42rem; color: var(--text-soft); background: var(--surface-3); border: 1px solid var(--line-bright); border-bottom-width: 2px; border-radius: 5px; }

.catalog-controls {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0a0f19;
}

.catalog-search { display: grid; gap: .4rem; }
.catalog-search > span:first-child,
.catalog-filters > label > span,
.catalog-sort > span,
.filter-toggle > span:first-child {
  color: var(--muted);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.search-field { position: relative; display: block; }
.search-field svg {
  position: absolute;
  top: 50%;
  left: .95rem;
  width: 20px;
  fill: none;
  stroke: var(--muted);
  stroke-linecap: round;
  stroke-width: 1.8;
  transform: translateY(-50%);
}

.search-field input {
  width: 100%;
  min-height: 52px;
  padding: .7rem 1rem .7rem 2.8rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line-bright);
  border-radius: var(--control-radius);
  outline: none;
}

.search-field input::placeholder { color: #66758b; }
.search-field input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(104, 225, 212, .12); }

.catalog-kind {
  display: inline-flex;
  gap: .25rem;
  margin: .85rem 0;
  padding: .24rem;
  background: var(--surface);
  border-radius: var(--control-radius);
}

.catalog-kind button {
  padding: .38rem .78rem;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: calc(var(--control-radius) - 2px);
  font-size: .8rem;
  font-weight: 750;
}

.catalog-kind button.active { color: var(--accent-ink); background: var(--accent); }
.catalog-kind.is-fixed { display: none; }

.catalog-filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .7rem;
}

.filter-dropdown {
  position: relative;
  min-width: 0;
}

.filter-dropdown[hidden] { display: none; }

.filter-toggle {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  width: 100%;
  min-height: 52px;
  padding: .42rem .72rem;
  color: var(--text-soft);
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--control-radius);
}

.filter-toggle > span:first-child,
.filter-toggle strong { grid-column: 1; }
.filter-toggle strong {
  overflow: hidden;
  color: var(--text-soft);
  font-size: .82rem;
  font-weight: 650;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.filter-toggle.has-selection strong { color: var(--accent); }
.filter-toggle:focus,
.filter-toggle[aria-expanded="true"] { border-color: var(--accent); outline: 2px solid rgba(104, 225, 212, .12); }

.filter-chevron {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  width: .55rem;
  height: .55rem;
  margin: 0 .15rem 0 .7rem;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-2px) rotate(45deg);
  transition: transform .15s ease;
}
.filter-toggle[aria-expanded="true"] .filter-chevron { transform: translateY(2px) rotate(225deg); }

.filter-popover {
  position: absolute;
  z-index: 25;
  top: calc(100% + .38rem);
  left: 0;
  width: max-content;
  min-width: 100%;
  max-width: min(360px, calc(100vw - 2rem));
  padding: .45rem;
  border: 1px solid var(--line-bright);
  border-radius: var(--control-radius);
  background: #0d1420;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .42);
}
.filter-popover[hidden] { display: none; }
.filter-dropdown:nth-child(3n) .filter-popover { right: 0; left: auto; }

.filter-options {
  display: grid;
  gap: .12rem;
  max-height: 260px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: .55rem;
  min-height: 34px;
  padding: .35rem .45rem;
  color: var(--text-soft);
  border-radius: 6px;
  font-size: .8rem;
  cursor: pointer;
}
.filter-checkbox:hover { color: var(--text); background: var(--surface-2); }
.filter-checkbox:focus-within { outline: 2px solid rgba(104, 225, 212, .22); outline-offset: -2px; }
.filter-checkbox input { width: 1rem; height: 1rem; margin: 0; accent-color: var(--accent-strong); flex: 0 0 auto; }
.filter-checkbox input:checked + span { color: var(--accent); font-weight: 750; }
.filter-checkbox input:disabled + span { opacity: .65; }

.filter-clear {
  width: 100%;
  margin-top: .35rem;
  padding: .45rem;
  color: var(--text-soft);
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
  font-size: .75rem;
  font-weight: 700;
  text-align: left;
}
.filter-clear:hover:not(:disabled) { color: var(--accent); }
.filter-clear:disabled { cursor: default; opacity: .4; }

.catalog-filters > label,
.catalog-sort { display: grid; gap: .35rem; }

.catalog-filters select,
.catalog-sort select {
  width: 100%;
  min-height: 42px;
  padding: .48rem 2rem .48rem .65rem;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--control-radius);
}

.catalog-filters select:focus,
.catalog-sort select:focus { border-color: var(--accent); outline: 2px solid rgba(104, 225, 212, .12); }
.catalog-filters select:disabled { color: var(--accent); cursor: not-allowed; opacity: .72; }

.catalog-actions {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-top: .9rem;
}

.catalog-actions .button { min-height: 40px; padding: .45rem .75rem; font-size: .78rem; }
.catalog-sort { grid-template-columns: auto auto; align-items: center; }
.catalog-sort select { min-width: 130px; }

.catalog-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 50px;
}

.catalog-status p { margin: .8rem 0; color: var(--muted); font-size: .82rem; }
.catalog-status [data-result-count] { color: var(--text-soft); font-weight: 700; }
.active-filters { text-align: right; }

.catalog-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}

.reference-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color .15s ease, background .15s ease;
}

.reference-card:hover { border-color: var(--line-bright); background: var(--surface-2); }
.card-head { display: flex; align-items: start; justify-content: space-between; gap: .8rem; }
.card-title { min-width: 0; color: var(--text); font-size: 1rem; font-weight: 800; text-decoration: none; }
.card-title:hover { color: var(--accent); }
.card-title code { padding: 0; color: inherit; background: none; border: 0; font-size: .96em; overflow-wrap: anywhere; }

.kind-badge {
  flex: none;
  padding: .16rem .42rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 5px;
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.kind-command { color: #c5bafa; border-color: rgba(169, 155, 247, .35); }
.card-summary { margin: .55rem 0 .8rem; color: var(--text-soft); font-size: .86rem; line-height: 1.5; }
.card-signature { margin: auto 0 .75rem; padding: .55rem .65rem; color: var(--muted); background: #0a0f18; border-radius: 7px; font-size: .75rem; overflow-wrap: anywhere; }
.card-signature strong { color: var(--text-soft); }

.card-options { display: grid; gap: .32rem; margin: -.15rem 0 .75rem; }
.card-option { display: grid; grid-template-columns: minmax(52px, auto) 1fr; gap: .55rem; font-size: .7rem; }
.card-option code { align-self: start; text-align: center; }
.card-option span { overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; }
.card-option-more { color: var(--muted); font-size: .68rem; }

.card-meta,
.card-scopes { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; }
.card-meta { padding-top: .68rem; border-top: 1px solid var(--line); }
.card-scopes { margin-bottom: .55rem; }

.meta-chip,
.feature-chip,
.coverage-chip,
.renderer-chip,
.status-chip,
.mini-origin,
.label.ref-origin {
  display: inline-flex;
  align-items: center;
  min-height: 21px;
  padding: .17rem .45rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .63rem;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.meta-chip { color: var(--muted); background: #0a0f18; border-color: var(--line); }
.feature-chip { color: var(--violet); background: rgba(169, 155, 247, .07); border-color: rgba(169, 155, 247, .2); }
.coverage-chip { color: var(--accent); background: rgba(104, 225, 212, .07); border-color: rgba(104, 225, 212, .2); }
.renderer-chip { color: #a9d4f3; background: rgba(79, 156, 209, .10); border-color: rgba(79, 156, 209, .23); }
.status-chip { color: var(--warning); background: rgba(239, 176, 94, .08); border-color: rgba(239, 176, 94, .23); }

.label.ref-origin,
.mini-origin { color: #e8eef5; background: #344054; border-color: rgba(255, 255, 255, .08); }
.ref-origin-taystjk { background: #553e8c !important; }
.ref-origin-eternaljk { background: #1d5d7a !important; }
.ref-origin-japro { background: #805022 !important; }
.ref-origin-jk2mv { background: #276749 !important; }
.ref-origin-newjk { background: #744638 !important; }
.ref-origin-rend2 { background: #255987 !important; }
.ref-origin-vulkan { background: #853f50 !important; }
.ref-origin-openjk { background: #46566d !important; }
.ref-origin-basejka { background: #59613b !important; }
.ref-origin-quake3 { background: #6b4f77 !important; }
.ref-origin-unknown { background: #505969 !important; }

.catalog-more { display: flex; justify-content: center; padding-top: 1.1rem; }
.catalog-more button[hidden] { display: none; }
.catalog-empty { padding: 2rem; text-align: center; border: 1px dashed var(--line-bright); border-radius: var(--radius); }
.catalog-empty h3 { margin: 0; }
.catalog-empty p { margin-bottom: 0; }
.catalog-noscript { padding: 1rem; color: var(--warning); }
.catalog-error { grid-column: 1 / -1; padding: 1.2rem; color: var(--danger); border: 1px solid rgba(240, 131, 131, .3); border-radius: var(--radius); background: rgba(240, 131, 131, .06); }

.loading-card { min-height: 205px; overflow: hidden; }
.loading-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(100deg, transparent 20%, rgba(255,255,255,.04) 45%, transparent 70%);
  animation: shimmer 1.4s infinite;
}

@keyframes shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

.browse-section { padding: 6rem 0 2rem; }
.home-browse { padding-top: 1rem; }
.section-heading > p { max-width: 450px; margin: 0; }
.browse-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-top: 1.7rem;
  border-top: 1px solid var(--line-bright);
  border-left: 1px solid var(--line);
}

.browse-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 218px;
  padding: 1.35rem;
  color: var(--text);
  background: var(--panel-bg);
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  text-decoration: none;
  transition: background .15s ease, border-color .15s ease;
}

.browse-card:hover { color: var(--text); background: var(--panel-bg-hover); border-color: var(--line-bright); }
.browse-card h3 { margin: .9rem 0 .35rem; }
.browse-card:hover h3 { color: var(--accent); }
.browse-card p { margin: 0 0 1rem; font-size: .88rem; }
.browse-card b { margin-top: auto; color: var(--accent); font-size: .8rem; }
.browse-icon {
  color: var(--accent);
  font: 700 .72rem/1 "SFMono-Regular", Consolas, monospace;
}

.method-banner {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: center;
  gap: 2rem;
  margin: 4rem 0 0;
  padding: 1.5rem;
  background: linear-gradient(115deg, rgba(104, 225, 212, .08), rgba(169, 155, 247, .08));
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
}

.method-banner h2 { margin: 0; font-size: 1.25rem; }
.method-banner p { margin: 0; font-size: .85rem; }
.method-banner .section-kicker { margin-bottom: .35rem; }
.text-link { font-size: .82rem; font-weight: 800; white-space: nowrap; text-decoration: none; }

.directory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line-bright);
  border-left: 1px solid var(--line);
}
.directory-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: .55rem;
  min-height: 124px;
  padding: 1.1rem;
  color: var(--text);
  background: var(--panel-bg);
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
}

.directory-card:hover { color: var(--text); border-color: var(--line-bright); background: var(--panel-bg-hover); }
.directory-card .label,
.directory-card .directory-code { grid-column: 1 / -1; justify-self: start; }
.directory-card strong { font-size: 1.02rem; }
.directory-card span:last-child { color: var(--muted); font-size: .76rem; }
.directory-code { color: var(--accent); font-size: .82rem; }
.renderer-card { grid-template-columns: 1fr; }
.renderer-card strong { margin-top: .25rem; }

.static-index-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .35rem .8rem;
}

.static-index-list a {
  min-width: 0;
  padding: .38rem .5rem;
  overflow: hidden;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  text-overflow: ellipsis;
}

.static-index-list a:hover { color: var(--accent); border-color: var(--line-bright); }
.static-index-list code { padding: 0; color: inherit; background: none; border: 0; white-space: nowrap; }

.reference-note,
.ref-warning {
  margin: 1.2rem 0;
  padding: .85rem 1rem;
  color: var(--text-soft);
  background: rgba(239, 176, 94, .07);
  border: 1px solid rgba(239, 176, 94, .22);
  border-left: 3px solid var(--warning);
  border-radius: var(--radius);
  font-size: .86rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: -1rem 0 1.8rem;
  color: var(--muted);
  font-size: .76rem;
}

.breadcrumbs a { color: var(--text-soft); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 3rem;
  width: min(calc(100% - 2.5rem), var(--wide));
  margin: auto;
  padding: 2.5rem 0 3.5rem;
  border-top: 1px solid var(--line);
}

.site-footer > div > p { max-width: 480px; margin: .9rem 0 0; color: var(--muted); font-size: .76rem; }
.footer-brand .brand-mark { width: 32px; height: 32px; }
.site-footer nav { display: flex; flex-wrap: wrap; align-content: start; justify-content: end; gap: .4rem 1rem; }
.site-footer nav a { color: var(--muted); font-size: .76rem; text-decoration: none; }
.site-footer nav a:hover { color: var(--accent); }

@media (max-width: 900px) {
  .header-inner { gap: 1rem; }
  .site-brand small,
  .header-github span { display: none; }
  .site-nav { justify-content: start; overflow-x: auto; }
  .docs-overview { grid-template-columns: 1fr; gap: 1.5rem; }
  .docs-quick-links { width: min(100%, 620px); margin-top: 0; }
  .purpose-principles { grid-template-columns: 1fr; }
  .purpose-principles article,
  .purpose-principles article:first-child,
  .purpose-principles article:last-child { padding: 1rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .purpose-principles article:last-child { border-bottom: 0; }
  .home-resource-list { grid-template-columns: 1fr; }
  .home-resource-list a,
  .home-resource-list a:first-child,
  .home-resource-list a:last-child { padding: .9rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .home-resource-list a:last-child { border-bottom: 0; }
  .catalog-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-dropdown:nth-child(3n) .filter-popover { right: auto; left: 0; }
  .filter-dropdown:nth-child(even) .filter-popover { right: 0; left: auto; }
  .method-banner { grid-template-columns: 1fr; }
  .directory-grid,
  .static-index-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .header-inner { display: flex; width: min(calc(100% - 1.25rem), var(--wide)); min-height: 60px; }
  .site-brand > span:last-child,
  .header-github { display: none; }
  .brand-mark { width: 34px; height: 34px; }
  .site-nav { flex: 1; justify-content: space-between; gap: 0; }
  .site-nav a { padding: .45rem .42rem; font-size: .72rem; }
  .wip-banner-inner { flex-wrap: wrap; gap: .1rem .45rem; width: min(calc(100% - 1.25rem), var(--wide)); padding: .5rem 0; line-height: 1.4; }
  .site-main,
  .site-main-wide,
  .site-footer { width: min(calc(100% - 1.25rem), var(--wide)); }
  .site-main { padding-top: 2.4rem; }
  h1 { font-size: clamp(2.2rem, 12vw, 3.25rem); }
  .platform-selector-shell { padding: .55rem; }
  .platform-selector button { min-height: 42px; padding-inline: .35rem; font-size: .82rem; }
  .platform-panel { padding: 1rem; }
  .docs-intro { padding-top: .5rem; }
  .home-section-heading { display: block; }
  .home-section-heading > p { margin-top: .65rem; }
  .compatibility-grid { grid-template-columns: 1fr; }
  .compatibility-card { min-height: 0; }
  .home-guide-grid { grid-template-columns: 1fr; }
  .home-guide { min-height: 165px; }
  .reference-stats { grid-template-columns: repeat(2, 1fr); margin-bottom: 3rem; }
  .reference-stats div:nth-child(2) { border-right: 0; }
  .reference-stats div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .reference-catalog { margin-inline: -.18rem; padding: .8rem; border-radius: var(--radius); }
  .catalog-heading { padding: .4rem .35rem 0; }
  .catalog-shortcut { display: none; }
  .catalog-filters { grid-template-columns: 1fr; }
  .filter-dropdown .filter-popover { right: 0; left: 0; width: 100%; max-width: none; }
  .catalog-actions { align-items: stretch; }
  .catalog-sort { grid-template-columns: 1fr; }
  .catalog-sort select { min-width: 0; }
  .catalog-status { display: block; min-height: 54px; }
  .catalog-status p { margin: .55rem 0; }
  .active-filters { display: none; }
  .catalog-results,
  .browse-grid,
  .directory-grid,
  .static-index-list { grid-template-columns: 1fr; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: .8rem; }
  .browse-section { padding-top: 4rem; }
  .site-footer { display: block; }
  .site-footer nav { justify-content: start; margin-top: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}