/* Generated from web/src/app.css tokens, editorial component CSS, and web/src/footer.css. */

:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  --bg: #f0f0ee;
  --text: #1f1e1c;
  --data: #22211f;
  --data-2: #8f8e86;
  --faint-data: #c0bfb7;
  --hero: #f5572f;
  --hero-ink: #c83a17;
  --on-accent: #1f1e1c;
  --halo: rgba(255, 255, 255, .92);
  --surface: #ffffff;
  --surface-soft: #f7f7f4;
  --muted: rgba(31, 30, 28, .60);
  --label: rgba(31, 30, 28, .72);
  --faint: rgba(31, 30, 28, .64);
  --floor: rgba(31, 30, 28, .24);
  --quiet: rgba(31, 30, 28, .15);
  --track: rgba(31, 30, 28, .12);
  --grid: rgba(31, 30, 28, .16);
  --module-surface: #fff;
  --module-surface-soft: #f7f6f2;
  --module-border: rgba(31, 30, 28, .13);
  --module-border-strong: rgba(31, 30, 28, .22);
  --module-radius: 18px;
  --control-radius: 10px;
  --module-shadow: 0 1px 0 rgba(31, 30, 28, .025), 0 12px 34px rgba(31, 30, 28, .035);
  --module-shadow-hover: 0 1px 0 rgba(31, 30, 28, .035), 0 18px 44px rgba(31, 30, 28, .075);
  --header-glass: rgba(240, 240, 238, .94);
  --control-glass: rgba(255, 255, 255, .62);
  --control-glass-strong: rgba(255, 255, 255, .92);
  --theme-control-bg: var(--control-glass);
  --theme-control-bg-hover: var(--control-glass-strong);
  --theme-control-border: var(--quiet);
  --theme-control-border-hover: var(--module-border-strong);
  --theme-control-fg: var(--text);
  /* Five semantic control states. Keep these tokens as the single visual
   * source of truth; individual components only choose a semantic category. */
  --control-nav-selected-bg: var(--text);
  --control-nav-selected-fg: var(--bg);
  --control-choice-selected-bg: color-mix(in srgb, var(--surface) 84%, var(--hero));
  --control-choice-selected-border: color-mix(in srgb, var(--hero) 76%, var(--module-border-strong));
  --control-choice-selected-fg: var(--text);
  --control-choice-selected-meta: var(--label);
  --control-choice-selected-shadow: inset 0 -3px var(--hero), 0 8px 22px rgba(245, 82, 44, .11);
  --control-choice-hover-bg: color-mix(in srgb, var(--surface) 92%, var(--hero));
  --control-primary-bg: var(--hero);
  --control-primary-border: var(--hero-ink);
  --control-primary-fg: var(--on-accent);
  --control-object-selected-border: var(--hero-ink);
  --control-object-selected-marker: var(--hero);
  --control-danger-bg: #b93820;
  --control-danger-hover-bg: #922a18;
  --control-danger-fg: #fff;
  --control-focus-ring: var(--hero-ink);
  --modal-surface: rgba(250, 250, 247, .98);
  --card-face: #fffaf2;
  --card-red-face: #680019;
  --card-black: #251f1d;
  --card-red: #680019;
  --card-red-on-face: #fff4ec;
  --card-border: rgba(67, 52, 47, .24);
  --card-shadow: 0 5px 14px rgba(31, 30, 28, .08);
  --card-hero-face: #2c2926;
  --card-hero-ink: #f7f2ea;
  --card-villain-face: #d8e0e2;
  --card-villain-ink: #263238;
  --card-dead-face: #ded9d1;
  --card-dead-ink: #4b453e;
  --footer-bg: #211f1d;
  --footer-panel: #2e2a27;
  --footer-text: #f4f0e9;
  background: var(--bg);
  color: var(--text);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d0d0c;
  --text: #f4f1ea;
  --data: #f4f1ea;
  --data-2: #aaa69e;
  --faint-data: #74716b;
  --hero: #f5522c;
  --hero-ink: #ff6a43;
  --halo: rgba(18, 18, 16, .96);
  --surface: #171715;
  --surface-soft: #1d1c19;
  --muted: rgba(244, 241, 234, .68);
  --label: rgba(244, 241, 234, .79);
  --faint: rgba(244, 241, 234, .58);
  --floor: rgba(244, 241, 234, .28);
  --quiet: rgba(242, 239, 231, .14);
  --track: rgba(242, 239, 231, .11);
  --grid: rgba(242, 239, 231, .13);
  --module-surface: #191917;
  --module-surface-soft: #20201d;
  --module-border: rgba(242, 239, 231, .14);
  --module-border-strong: rgba(242, 239, 231, .25);
  --module-shadow: 0 1px 0 rgba(255, 255, 255, .02), 0 14px 38px rgba(0, 0, 0, .22);
  --module-shadow-hover: 0 1px 0 rgba(255, 255, 255, .035), 0 20px 50px rgba(0, 0, 0, .34);
  --header-glass: rgba(13, 13, 12, .94);
  --control-glass: rgba(36, 35, 32, .72);
  --control-glass-strong: rgba(43, 42, 39, .96);
  --theme-control-bg: var(--control-glass);
  --theme-control-bg-hover: var(--control-glass-strong);
  --theme-control-border: var(--quiet);
  --theme-control-border-hover: var(--module-border-strong);
  --theme-control-fg: var(--text);
  --modal-surface: rgba(23, 23, 21, .98);
  --card-face: #282622;
  --card-red-face: #680019;
  --card-black: #f4efe7;
  --card-red: #680019;
  --card-red-on-face: #fff4ec;
  --card-border: rgba(244, 239, 231, .22);
  --card-shadow: 0 8px 20px rgba(0, 0, 0, .3);
  --card-hero-face: #3a3631;
  --card-hero-ink: #f5efe6;
  --card-villain-face: #26343a;
  --card-villain-ink: #e6f0f2;
  --card-dead-face: #2e2a27;
  --card-dead-ink: #d0c4b8;
  --footer-bg: #0b0b0a;
  --footer-panel: #191917;
  --footer-text: #f4f1ea;
}

* { box-sizing: border-box; }

html {
  min-width: 0;
  overflow-x: clip;
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 0;
  min-height: 100vh;
  overflow-x: clip;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-underline-offset: 3px;
}

img {
  display: block;
  max-width: 100%;
}

button,
input {
  font: inherit;
}

button,
input,
summary {
  outline: none;
}

button:focus-visible,
input:focus-visible,
summary:focus-visible,
a:focus-visible {
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--control-focus-ring);
}

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  inset-block-start: 8px;
  inset-inline-start: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-150%);
}

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

.workspace-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(360px, 540px) minmax(220px, 1fr);
  align-items: center;
  gap: 24px;
  min-height: 78px;
  padding: 11px 28px;
  border-block-end: 1px solid var(--quiet);
  background: var(--header-glass);
  backdrop-filter: blur(18px);
}

.brand-identity {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  max-width: 100%;
  color: inherit;
  text-decoration: none;
}

.brand-emblem {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand-type-stack {
  display: grid;
  gap: 3px;
  min-width: 0;
  max-width: 250px;
}

.brand-wordmark-window {
  display: block;
  width: 132px;
  height: 21px;
  overflow: hidden;
}

.brand-wordmark {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-tagline {
  display: block;
  max-width: 250px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 750;
  letter-spacing: .12em;
  line-height: 1.25;
  overflow-wrap: anywhere;
  text-transform: uppercase;
}

.brand-identity-hero {
  align-items: center;
  gap: 18px;
}

.brand-identity-hero .brand-emblem {
  width: 112px;
  height: 106px;
}

.brand-identity-hero .brand-wordmark-window {
  width: 220px;
  height: 38px;
}

.brand-identity-hero .brand-tagline {
  max-width: 220px;
  font-size: 9px;
}

:root[data-theme="dark"] .editorial-header .brand-emblem,
:root[data-theme="dark"] .editorial-header .brand-wordmark,
:root[data-theme="dark"] .editorial-hero-brand .brand-emblem,
:root[data-theme="dark"] .editorial-hero-brand .brand-wordmark,
:root[data-theme="dark"] .library-hero-brand .brand-emblem,
:root[data-theme="dark"] .library-hero-brand .brand-wordmark {
  filter: invert(1) hue-rotate(180deg);
}

.editorial-product-nav {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  min-width: 0;
  padding: 4px;
  border: 1px solid var(--quiet);
  border-radius: var(--module-radius);
  background: var(--header-glass);
}

.editorial-product-nav a {
  display: grid;
  align-content: center;
  min-width: 0;
  min-height: 52px;
  padding: 7px 12px;
  border-radius: calc(var(--module-radius) - 5px);
  color: var(--muted);
  text-align: center;
  text-decoration: none;
}

.editorial-product-nav a small {
  overflow: hidden;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .1em;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.editorial-product-nav a strong {
  overflow: hidden;
  margin-block-start: 2px;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.editorial-product-nav a:hover {
  background: var(--control-choice-hover-bg);
  color: var(--text);
}

.editorial-product-nav a.is-selected {
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 5px 16px rgba(31, 30, 28, .12);
}


.editorial-header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.theme-toggle {
  position: relative;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--theme-control-border);
  border-radius: 50%;
  background: var(--theme-control-bg);
  color: var(--theme-control-fg);
  box-shadow: 0 1px 0 rgba(31, 30, 28, .03);
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease, box-shadow .24s ease;
}

.theme-toggle:hover {
  border-color: var(--theme-control-border-hover);
  background: var(--theme-control-bg-hover);
}

.theme-icon {
  position: absolute;
  width: 18px;
  height: 18px;
  background: currentColor;
  pointer-events: none;
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
  transition: opacity .2s ease, transform .3s cubic-bezier(.2, .8, .2, 1);
}

.theme-icon-sun { mask-image: url("/icons/sun.svg"); }
.theme-icon-moon { mask-image: url("/icons/moon.svg"); }

:root[data-theme="light"] .theme-icon-sun {
  opacity: 1;
  transform: rotate(0) scale(1);
}

:root[data-theme="light"] .theme-icon-moon {
  opacity: 0;
  transform: rotate(22deg) scale(.72);
}

:root[data-theme="dark"] .theme-icon-sun {
  opacity: 0;
  transform: rotate(-22deg) scale(.72);
}

:root[data-theme="dark"] .theme-icon-moon {
  opacity: 1;
  transform: rotate(0) scale(1);
}

.editorial-language-link {
  display: grid;
  grid-template-columns: 28px auto;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 13px 0 8px;
  border: 1px solid var(--quiet);
  border-radius: 999px;
  background: var(--control-glass);
  text-decoration: none;
}

.editorial-language-link > span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
  font-size: 11px;
  font-weight: 900;
}

.editorial-language-link strong {
  font-size: 11px;
}

.editorial-language-menu {
  position: relative;
  flex: 0 0 auto;
}

.editorial-language-menu > summary {
  list-style: none;
}

.editorial-language-menu > summary::-webkit-details-marker {
  display: none;
}

.editorial-language-menu[open] > summary {
  border-color: var(--module-border-strong);
  background: var(--control-glass-strong);
  box-shadow: 0 8px 24px rgba(31, 30, 28, .08);
}

.editorial-language-menu > nav {
  position: absolute;
  z-index: 40;
  inset-block-start: calc(100% + 10px);
  inset-inline-end: 0;
  display: grid;
  width: min(290px, calc(100vw - 32px));
  padding: 8px;
  border: 1px solid var(--module-border-strong);
  border-radius: 16px;
  background: var(--module-surface);
  box-shadow: 0 18px 50px rgba(31, 30, 28, .16);
}

.editorial-language-menu > nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 780;
  text-decoration: none;
}

.editorial-language-menu > nav a:hover,
.editorial-language-menu > nav a[aria-current="page"] {
  background: var(--control-choice-hover-bg);
  color: var(--text);
}

.editorial-language-menu > nav small {
  font-size: 9px;
  letter-spacing: .08em;
}

.editorial-section-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 52px;
  margin-block-start: 20px;
  padding-block-end: 12px;
  border-block-end: 1px solid var(--quiet);
}

.editorial-section-nav-label {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .13em;
  white-space: nowrap;
}

.editorial-section-links {
  display: flex;
  align-items: center;
  gap: 3px;
  min-width: 0;
}

.editorial-section-nav a {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.editorial-section-nav a:hover {
  background: var(--control-choice-hover-bg);
  color: var(--text);
}

.editorial-section-nav .editorial-library-home {
  font-weight: 900;
}

.editorial-section-nav a.is-selected {
  border-color: color-mix(in srgb, var(--hero) 30%, var(--module-border));
  background: color-mix(in srgb, var(--hero) 11%, var(--module-surface));
  color: var(--hero-ink);
  box-shadow: inset 0 -2px var(--hero);
}

.editorial-main {
  --editorial-max: 1360px;
  --reading-measure: 900px;
  width: min(var(--editorial-max), 100%);
  margin: 0 auto;
  padding: 0 28px 100px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 0 4px;
  color: var(--muted);
  font-size: 12px;
}

.breadcrumbs a {
  font-weight: 750;
}

.module-shell {
  border: 1px solid var(--module-border);
  border-radius: var(--module-radius);
  background: var(--module-surface);
  box-shadow: var(--module-shadow);
}

.eyebrow,
.section-number {
  margin: 0;
  color: var(--hero-ink);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.editorial-hero,
.library-hero,
.category-hero {
  position: relative;
  overflow: hidden;
  margin-block-start: 16px;
  padding: clamp(32px, 4vw, 56px);
}

.editorial-hero::before,
.library-hero::before,
.category-hero::before {
  position: absolute;
  inset: 0;
  opacity: .45;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to right, transparent, #000 65%, #000);
  content: "";
  pointer-events: none;
}

.editorial-hero,
.library-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  align-items: center;
  gap: clamp(28px, 5vw, 68px);
  min-height: 320px;
}

.editorial-hero-copy,
.library-hero > div {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.editorial-hero-brand,
.library-hero-brand {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 180px;
  padding: 20px;
  border-inline-start: 1px solid var(--quiet);
}

.editorial-hero h1,
.library-hero h1,
.category-hero h1 {
  max-width: 1050px;
  margin: 14px 0 18px;
  overflow-wrap: anywhere;
  font-size: clamp(40px, 4.8vw, 68px);
  font-weight: 760;
  letter-spacing: -.065em;
  line-height: .96;
  text-wrap: balance;
}

.lede,
.library-hero p,
.category-hero > p {
  max-width: 790px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(16px, 1.6vw, 21px);
  line-height: 1.68;
}

.evidence-strip,
.meta,
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-block-start: 28px;
}

.evidence-strip span {
  padding: 8px 10px;
  border: 1px solid var(--module-border);
  border-radius: 999px;
  background: var(--module-surface-soft);
  color: var(--label);
  font-size: 11px;
  font-weight: 750;
}

.meta {
  color: var(--muted);
  font-size: 11px;
}

.meta a {
  color: inherit;
  font-weight: 760;
}

.tool-intent {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: 790px;
  margin-block-start: 24px;
  padding: 14px 16px;
  border: 1px solid var(--module-border-strong);
  border-radius: 14px;
  background: color-mix(in srgb, var(--module-surface) 88%, var(--hero));
}

.tool-intent > div {
  display: grid;
  gap: 4px;
}

.tool-intent strong,
.tool-intent span {
  display: block;
}

.tool-intent strong {
  font-size: 12px;
}

.tool-intent span {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.tool-intent a {
  flex: 0 0 auto;
  color: var(--text);
  font-size: 11px;
  font-weight: 850;
  text-underline-offset: 4px;
}

.hero-actions a,
.primary-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid var(--module-border-strong);
  border-radius: 999px;
  background: var(--module-surface);
  color: var(--text);
  font-size: 12px;
  font-weight: 850;
  text-decoration: none;
}

.hero-actions .button-primary,
.primary-cta a {
  border-color: var(--control-primary-border);
  background: var(--control-primary-bg);
  color: var(--control-primary-fg);
}


.article-layout {
  display: grid;
  grid-template-columns: minmax(210px, 250px) minmax(0, 1fr);
  gap: clamp(36px, 6vw, 88px);
  align-items: start;
  margin-block-start: 44px;
}

.reading-rail {
  position: sticky;
  inset-block-start: 96px;
  padding: 18px;
}

.reading-rail > p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.reading-rail nav {
  display: grid;
  grid-template-columns: 1fr;
}

.reading-rail a {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 9px 0;
  border-block-start: 1px solid var(--module-border);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
  text-decoration: none;
}

.reading-rail a b {
  color: var(--hero-ink);
}

.reading-rail a.is-active {
  color: var(--text);
}

.article-copy {
  min-width: 0;
}

.editorial-section {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  max-width: var(--reading-measure);
  padding: 40px 0;
  border-block-start: 1px solid var(--module-border);
  scroll-margin-top: 96px;
}

.editorial-section:first-child {
  border-block-start: 0;
}

.section-number {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--hero);
  color: var(--on-accent);
}

.editorial-section h2,
.primary-cta h2,
.faq h2,
.related h2,
.search-panel h2,
.featured h2 {
  margin: 0 0 14px;
  font-size: clamp(25px, 3vw, 42px);
  letter-spacing: -.045em;
  line-height: 1.05;
}

.editorial-section p,
.editorial-section li,
.faq p,
.search-panel p,
.primary-cta span {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.editorial-section p {
  margin: 0;
}

.editorial-section p + p {
  margin-block-start: 14px;
}

.editorial-section ul {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding-inline-start: 22px;
}

.calculator-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, .9fr) minmax(180px, .45fr);
  gap: 28px;
  align-items: end;
  margin-block-start: 28px;
  padding: 28px;
  border: 1px solid var(--module-border);
  border-radius: var(--module-radius);
  background: var(--module-surface);
  box-shadow: var(--module-shadow);
}

.calculator-panel h2 {
  margin: 10px 0;
  font-size: clamp(26px, 3vw, 42px);
  letter-spacing: -.045em;
}

.calculator-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.calculator-panel form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  min-width: 0;
}

.calculator-panel label,
.search-panel label {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.calculator-panel label span,
.search-panel label span {
  color: var(--label);
  font-size: 10px;
  font-weight: 800;
}

.calculator-panel input,
.search-panel input {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--module-border-strong);
  border-radius: var(--control-radius);
  background: var(--control-glass-strong);
  color: var(--text);
}

.calculator-panel input[aria-invalid="true"],
.search-panel input[aria-invalid="true"] {
  border-color: var(--hero-ink);
  box-shadow: 0 0 0 1px var(--hero-ink);
}

.calculator-panel button,
.search-panel button {
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--control-primary-border);
  border-radius: var(--control-radius);
  background: var(--control-primary-bg);
  color: var(--control-primary-fg);
  font-weight: 850;
  cursor: pointer;
}

.calculator-panel form button {
  grid-column: 1 / -1;
}

.calculator-panel output {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.calculator-panel output span,
.calculator-panel output small {
  color: var(--muted);
  font-size: 10px;
}

.calculator-panel output strong {
  overflow-wrap: anywhere;
  color: var(--hero-ink);
  font-size: 38px;
  letter-spacing: -.05em;
}

.editorial-calculator-error,
.editorial-search-status {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--hero-ink);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.5;
}

.editorial-search-status[data-tone="muted"] {
  color: var(--muted);
  font-weight: 650;
}

.primary-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  margin: 70px 0;
  padding: 32px;
  border: 1px solid color-mix(in srgb, var(--hero) 76%, var(--module-border-strong));
  border-radius: var(--module-radius);
  background: color-mix(in srgb, var(--module-surface) 86%, var(--hero));
  box-shadow: var(--module-shadow);
}

.primary-cta p {
  margin: 0 0 8px;
  color: var(--hero-ink);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .14em;
}

.primary-cta h2 {
  margin-block-end: 8px;
}

.faq,
.sources,
.related,
.featured,
.search-panel,
.boundary-callout {
  margin-block-start: 54px;
  padding-block-start: 54px;
  border-block-start: 1px solid var(--module-border);
}

.sources ul {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.sources a {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--module-border);
  border-radius: 14px;
  background: var(--module-surface);
  color: var(--text);
  text-decoration: none;
}

.sources a:hover {
  border-color: var(--module-border-strong);
}

.sources a:focus-visible {
  outline: var(--control-focus-ring);
  outline-offset: 3px;
}

.sources span {
  color: var(--muted);
  font-size: 11px;
}

.faq details {
  border-block-end: 1px solid var(--module-border);
}

.faq summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 36px;
  align-items: center;
  gap: 16px;
  min-height: 62px;
  padding: 18px 0;
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--module-border-strong);
  border-radius: 50%;
  color: var(--hero-ink);
  font-size: 18px;
  font-weight: 500;
  content: "+";
  transition: transform .2s ease, background .2s ease;
}

.faq details[open] summary::after {
  background: var(--control-choice-selected-bg);
  content: "−";
  transform: rotate(180deg);
}

.faq p {
  max-width: var(--reading-measure);
  margin: 0;
  padding: 0 52px 22px 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-block-start: 14px;
  padding: 0 0 24px;
}

.content-card,
.category-card {
  display: grid;
  align-content: stretch;
  min-width: 0;
  min-height: 204px;
  padding: 20px;
  text-decoration: none;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.content-card {
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
}

.category-card {
  grid-template-rows: auto auto minmax(0, 1fr) auto;
}

.content-card > span,
.category-card > span {
  color: var(--hero-ink);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.content-card strong,
.category-card strong {
  margin: 16px 0 9px;
  overflow-wrap: anywhere;
  font-size: clamp(20px, 2vw, 25px);
  letter-spacing: -.04em;
  line-height: 1.08;
}

.content-card p,
.category-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.62;
}

.content-card small {
  margin-block-start: 18px;
  color: var(--muted);
  font-size: 10px;
}

.content-card b,
.category-card b {
  justify-self: end;
  align-self: end;
  margin-block-start: 14px;
  color: var(--hero-ink);
  font-size: 22px;
  line-height: 1;
}

.category-card > span {
  font-size: 30px;
  letter-spacing: -.04em;
}

.search-panel {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(320px, 1.2fr);
  gap: 36px;
  padding: 30px;
  border: 1px solid var(--module-border);
  border-radius: var(--module-radius);
  background: var(--module-surface);
  box-shadow: var(--module-shadow);
}

.search-panel form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-content: start;
  min-width: 0;
}

.search-panel [data-editorial-search-results] {
  grid-column: 1 / -1;
}

.search-results {
  display: grid;
  gap: 8px;
}

.search-results a {
  display: grid;
  gap: 4px;
  min-height: 44px;
  padding: 14px;
  border: 1px solid var(--module-border);
  border-radius: var(--control-radius);
  background: var(--module-surface-soft);
  text-decoration: none;
}

.search-results span {
  color: var(--muted);
  font-size: 12px;
}

.boundary-callout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 30px;
  padding: 28px;
  border: 1px solid var(--module-border);
  border-radius: var(--module-radius);
  background: var(--module-surface);
  box-shadow: var(--module-shadow);
}

.boundary-callout h2 {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 30px);
  letter-spacing: -.035em;
  line-height: 1.08;
}

.boundary-callout p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.category-list {
  padding: 18px 0 60px;
}

/* Native learning workspace ------------------------------------------------ */
.library-progress {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.library-progress li {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--module-border);
  border-radius: 12px;
  background: var(--module-surface-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.library-progress li b {
  font-size: 9px;
  font-weight: 850;
}

.library-progress li.is-current {
  border-color: var(--text);
  background: var(--text);
  color: var(--bg);
}

.library-hero {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 390px);
  min-height: 360px;
  margin-block-start: 16px;
  background: var(--module-surface);
}

.library-hero::before {
  display: none;
}

.library-hero-copy {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.library-hero h1 {
  max-width: 820px;
  margin-bottom: 14px;
  font-size: clamp(40px, 4vw, 56px);
}

.library-title-accent {
  color: var(--hero);
}

.library-hero-copy > p:not(.eyebrow, .editorial-search-status) {
  max-width: 760px;
}

.library-search-runtime-owner {
  display: block;
  margin: 24px 0 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.library-hero-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  max-width: 760px;
  margin-block-start: 0;
}

.library-hero-search label {
  min-width: 0;
}

.library-hero-search label > span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.library-hero-search input {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid var(--field-border);
  border-radius: var(--control-radius);
  background: var(--field-bg);
  color: var(--text);
}

.library-hero-search button {
  min-width: 96px;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--control-primary-border);
  border-radius: var(--control-radius);
  background: var(--control-primary-bg);
  color: var(--control-primary-fg);
  font-weight: 850;
  cursor: pointer;
}

.library-hero-search input[aria-invalid="true"] {
  border-color: var(--danger);
}

.library-hero .editorial-search-status {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.library-hero [data-editorial-search-results] {
  grid-column: 1 / -1;
  margin-block-start: 12px;
}

.library-hero-boundary,
.editorial-hero-boundary,
.category-hero aside {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  min-width: 0;
  min-height: 250px;
  padding: clamp(24px, 3vw, 34px);
  overflow: hidden;
  border-radius: calc(var(--module-radius) - 1px);
  background: var(--text);
  color: var(--bg);
  box-shadow: var(--module-shadow-hover);
}

.library-hero-boundary::before,
.editorial-hero-boundary::before,
.category-hero aside::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--hero);
  content: "";
}

.library-hero-boundary > p,
.library-hero-boundary > h2,
.library-hero-boundary > span,
.editorial-hero-boundary > span,
.editorial-hero-boundary > strong,
.editorial-hero-boundary > p,
.category-hero aside > span,
.category-hero aside > strong {
  margin: 0;
}

.library-hero-boundary > p,
.editorial-hero-boundary > span,
.category-hero aside > span {
  color: var(--hero);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.library-hero-boundary > h2,
.editorial-hero-boundary > strong,
.category-hero aside > strong {
  margin-block-start: 14px;
  color: var(--bg);
  font-size: clamp(24px, 2.2vw, 34px);
  font-weight: 780;
  letter-spacing: -.045em;
  line-height: 1.08;
}

.library-hero-boundary > span,
.editorial-hero-boundary > p {
  margin-block-start: 14px;
  color: color-mix(in srgb, var(--bg) 68%, transparent);
  font-size: 13px;
  line-height: 1.6;
}

.library-start,
.library-browse {
  margin-block-start: 16px;
}

.library-start {
  padding: 22px 28px;
}

.library-start > header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 0 0 16px;
}

.library-start h2 {
  margin: 7px 0 0;
  font-size: clamp(24px, 2.3vw, 32px);
  letter-spacing: -.04em;
}

.library-start > header > a {
  flex: 0 0 auto;
  color: var(--hero-ink);
  font-size: 12px;
  font-weight: 850;
  text-decoration: none;
}

.library-start-list {
  border: 1px solid var(--module-border);
  border-radius: var(--control-radius);
  background: var(--module-surface-soft);
}

.library-start-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: 14px;
  min-height: 68px;
  padding: 10px 16px;
  text-decoration: none;
}

.library-start-row + .library-start-row {
  border-block-start: 1px solid var(--module-border);
}

.library-row-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hero);
}

.library-row-copy {
  display: grid;
  grid-template-columns: minmax(220px, .75fr) minmax(280px, 1.25fr);
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.library-row-copy strong,
.library-row-copy small {
  min-width: 0;
}

.library-row-copy strong {
  overflow-wrap: anywhere;
  font-size: 13px;
}

.library-row-copy small,
.library-start-row time {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.library-row-kind {
  padding: 6px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--hero) 11%, var(--module-surface));
  color: var(--hero-ink);
  font-size: 10px;
  font-weight: 800;
  white-space: nowrap;
}

.library-start-row > b {
  color: var(--hero-ink);
  font-size: 20px;
}

.library-browse {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, .85fr);
  gap: 28px;
  padding: 20px 28px;
}

.library-browse p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .12em;
}

.library-browse nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.library-browse nav a,
.category-return a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  min-height: 52px;
  padding: 0 14px;
  border: 1px solid var(--module-border);
  border-radius: var(--control-radius);
  background: var(--module-surface-soft);
  font-size: 11px;
  text-decoration: none;
}

.library-support nav {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.library-support nav a {
  grid-template-columns: minmax(0, 1fr) auto;
}

.library-browse nav a > span {
  color: var(--hero-ink);
  font-size: 10px;
  font-weight: 900;
}

.category-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  align-items: center;
  gap: clamp(28px, 5vw, 68px);
}

.category-hero aside {
  min-height: 190px;
}

.card-grid.category-list {
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-block-start: 16px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--module-border);
  border-radius: var(--module-radius);
  background: var(--module-surface);
  box-shadow: var(--module-shadow);
}

.category-list .content-card {
  grid-template-columns: minmax(120px, .25fr) minmax(220px, .7fr) minmax(0, 1fr) auto auto;
  grid-template-rows: auto;
  align-items: center;
  gap: 18px;
  min-height: 104px;
  padding: 18px 24px;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.category-list .content-card + .content-card {
  border-block-start: 1px solid var(--module-border);
}

.category-list .content-card strong,
.category-list .content-card p,
.category-list .content-card small,
.category-list .content-card b {
  margin: 0;
}

.category-list .content-card strong {
  font-size: 18px;
}

.category-return {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-block-start: 16px;
  padding: 14px;
}

.category-return a {
  display: inline-flex;
  min-width: 220px;
  justify-content: center;
  font-weight: 800;
}


@media (hover: hover) and (pointer: fine) {
  .content-card:hover,
  .category-card:hover {
    border-color: var(--module-border-strong);
    box-shadow: var(--module-shadow-hover);
    transform: translateY(-2px);
  }
}

@media (max-width: 1199px) {
  .workspace-header {
    grid-template-columns: minmax(180px, 1fr) minmax(340px, 500px) minmax(150px, 1fr);
    gap: 16px;
  }

  .brand-tagline {
    display: none;
  }

  .editorial-hero,
  .library-hero {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

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

@media (max-width: 1180px) and (min-width: 901px) {
  .editorial-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px 20px;
    min-height: 0;
    padding-block: 12px;
  }

  .editorial-header > .brand-identity {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
  }

  .editorial-header-actions {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .editorial-product-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: center;
    width: min(620px, 100%);
  }

  .reading-rail {
    position: static;
    inset-block-start: auto;
  }
}

@media (max-width: 900px) {
  .editorial-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 9px 14px;
    min-height: 0;
    padding: 10px 16px 12px;
  }

  .editorial-header > .brand-identity {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
    max-width: min(100%, 250px);
  }

  .editorial-header .brand-emblem {
    width: 40px;
    height: 40px;
  }

  .editorial-header .brand-wordmark-window {
    width: 112px;
    height: 19px;
  }

  .editorial-header .brand-tagline {
    max-width: 180px;
    font-size: 7px;
  }

  .editorial-header-actions {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    gap: 8px;
  }

  .editorial-product-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
  }

  .editorial-product-nav a {
    padding-inline: 9px;
  }

  .editorial-hero,
  .library-hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .editorial-hero-brand,
  .library-hero-brand {
    display: none;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .reading-rail {
    position: static;
  }

  .reading-rail nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 16px;
  }

  .calculator-panel {
    grid-template-columns: 1fr 1fr;
  }

  .calculator-panel output {
    grid-column: 1 / -1;
  }

  .search-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  html {
    scroll-behavior: auto;
  }

  .editorial-header {
    position: sticky;
    padding-inline-start: max(14px, env(safe-area-inset-left));
    padding-inline-end: max(14px, env(safe-area-inset-right));
  }

  .editorial-header > .brand-identity {
    display: flex;
    min-width: 0;
  }

  .editorial-header .brand-emblem {
    width: 38px;
    height: 38px;
  }

  .editorial-header .brand-wordmark-window {
    width: 104px;
    height: 17px;
  }

  .editorial-header .brand-tagline {
    display: none;
  }

  .editorial-theme-toggle,
  .editorial-language-link {
    width: 44px;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
  }

  .editorial-language-link {
    grid-template-columns: 1fr;
  }

  .editorial-language-link > span {
    justify-self: center;
  }

  .editorial-language-link strong {
    display: none;
  }

  .editorial-product-nav {
    width: 100%;
  }

  .editorial-product-nav a {
    min-height: 48px;
    padding: 6px;
  }

  .editorial-product-nav a small {
    display: none;
  }

  .editorial-product-nav a strong {
    font-size: 12px;
  }

  .editorial-section-nav {
    display: block;
    min-height: 0;
    margin: 14px calc(-1 * max(16px, env(safe-area-inset-right))) 0 calc(-1 * max(16px, env(safe-area-inset-left)));
    padding: 0 0 10px;
  }

  .editorial-section-nav-label {
    display: block;
    padding: 0 max(16px, env(safe-area-inset-right)) 8px max(16px, env(safe-area-inset-left));
  }

  .editorial-section-links {
    gap: 4px;
    padding-inline-start: max(16px, env(safe-area-inset-left));
    padding-inline-end: max(16px, env(safe-area-inset-right));
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
  }

  .editorial-section-links::-webkit-scrollbar {
    display: none;
  }

  .editorial-section-nav a {
    min-height: 38px;
    padding: 0 12px;
    border-radius: 10px;
  }

  .editorial-main {
    padding: 0 max(16px, env(safe-area-inset-right)) calc(72px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  }

  .breadcrumbs {
    padding: 18px 0;
  }

  .editorial-hero,
  .library-hero,
  .category-hero {
    margin-block-start: 10px;
    padding: 34px 20px 30px;
    border-radius: var(--module-radius);
  }

  .editorial-hero h1,
  .library-hero h1,
  .category-hero h1 {
    font-size: clamp(34px, 9vw, 44px);
    line-height: .98;
  }

  .lede,
  .library-hero p,
  .category-hero > p {
    font-size: 16px;
    line-height: 1.62;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions a {
    width: 100%;
  }

  .tool-intent {
    align-items: stretch;
    flex-direction: column;
  }

  .tool-intent a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }

  .reading-rail {
    padding: 14px;
  }

  .reading-rail nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 10px;
  }

  .reading-rail a {
    grid-template-columns: 24px minmax(0, 1fr);
    min-height: 44px;
    padding-block: 7px;
    font-size: 10px;
  }

  .editorial-section {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 30px 0;
    scroll-margin-top: 16px;
  }

  .section-number {
    width: 40px;
    height: 40px;
  }

  .editorial-section p,
  .editorial-section li,
  .faq p,
  .search-panel p,
  .primary-cta span {
    font-size: 14px;
  }

  .calculator-panel,
  .search-panel,
  .primary-cta {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px;
    border-radius: var(--module-radius);
  }

  .calculator-panel form,
  .search-panel form {
    grid-template-columns: 1fr;
  }

  .calculator-panel form button,
  .search-panel button {
    width: 100%;
  }

  .calculator-panel output strong {
    font-size: 34px;
  }

  .card-grid,
  .category-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .content-card,
  .category-card {
    min-height: 0;
    padding: 18px;
  }

  .content-card strong,
  .category-card strong {
    margin-block: 16px 9px;
    font-size: 20px;
  }

  .content-card p,
  .category-card p {
    font-size: 12px;
    line-height: 1.58;
  }

  .boundary-callout {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .brand-footer {
    padding-block-start: 28px;
  }

  .brand-footer .footer-grid {
    grid-template-areas:
      "brand brand"
      "principle principle"
      "workspaces method"
      "legal legal";
    gap: 16px 14px;
  }

  .brand-footer .footer-principle {
    padding: 14px;
  }

  .brand-footer .footer-principle strong {
    max-width: none;
    font-size: 16px;
  }

  .brand-footer .footer-legal {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px 12px;
  }

  .brand-footer .footer-column > p {
    margin-block-end: 4px;
  }

  .brand-footer .footer-column a,
  .brand-footer .footer-column button {
    min-height: 44px;
    font-size: 11px;
  }
}

@media (max-width: 360px) {
  .editorial-header {
    padding-inline-start: max(10px, env(safe-area-inset-left));
    padding-inline-end: max(10px, env(safe-area-inset-right));
  }

  .editorial-header .brand-wordmark-window {
    width: 92px;
  }

  .editorial-header-actions {
    gap: 4px;
  }

  .editorial-product-nav a strong {
    font-size: 11px;
  }

  .reading-rail nav {
    grid-template-columns: 1fr;
  }

  .editorial-main {
    padding-inline-start: max(12px, env(safe-area-inset-left));
    padding-inline-end: max(12px, env(safe-area-inset-right));
  }

  .brand-footer .footer-grid {
    grid-template-areas:
      "brand"
      "principle"
      "workspaces"
      "method"
      "legal";
    grid-template-columns: 1fr;
  }
}

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

  .content-card,
  .library-start-row,
  .category-card {
    transform: none !important;
  }
}

/* Native learning workspace responsive rules. */
@media (max-width: 1180px) {
  .library-row-copy {
    grid-template-columns: minmax(200px, .8fr) minmax(220px, 1.2fr);
  }

  .library-start-row time {
    display: none;
  }

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

@media (max-width: 900px) {
  .library-hero,
  .category-hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .library-hero-boundary,
  .editorial-hero-boundary,
  .category-hero aside {
    min-height: 190px;
  }

  .library-row-copy {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 5px;
  }

  .category-list .content-card {
    grid-template-columns: minmax(100px, .28fr) minmax(190px, .72fr) minmax(0, 1fr) auto;
  }

  .category-list .content-card small {
    display: none;
  }
}

@media (max-width: 640px) {
  .library-search-runtime-owner {
    display: block;
    margin-block-start: 24px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .library-progress {
    gap: 4px;
    margin-block-start: 14px;
  }

  .library-progress li {
    display: grid;
    justify-items: center;
    gap: 3px;
    min-height: 52px;
    padding: 6px 4px;
    text-align: center;
  }

  .library-progress li span {
    font-size: 10px;
    line-height: 1.15;
  }

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

  .library-hero-search button {
    width: 100%;
  }

  .library-hero-boundary,
  .editorial-hero-boundary,
  .category-hero aside {
    min-height: 0;
    padding: 24px;
  }

  .library-start {
    padding: 20px 16px;
  }

  .library-start > header {
    display: grid;
    align-items: start;
  }

  .library-start > header > a {
    min-height: 44px;
    align-content: center;
  }

  .library-start-row {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 10px;
    min-height: 86px;
    padding: 12px;
  }

  .library-row-kind,
  .library-start-row time {
    display: none;
  }

  .library-row-copy strong {
    font-size: 13px;
    line-height: 1.3;
  }

  .library-row-copy small {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .library-browse {
    gap: 20px;
    padding: 18px 16px;
  }

  .library-browse nav,
  .library-support nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .category-list .content-card {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 14px;
    min-height: 0;
    padding: 18px;
  }

  .category-list .content-card > span,
  .category-list .content-card strong,
  .category-list .content-card p {
    grid-column: 1;
  }

  .category-list .content-card b {
    grid-column: 2;
    grid-row: 1 / 4;
    align-self: center;
  }

  .category-list .content-card p {
    font-size: 12px;
  }

  .category-return {
    display: grid;
  }

  .category-return a {
    min-width: 0;
  }
}


/*
 * Canonical product-header contract shared by the React workspace, the
 * editorial library, and the generated seven-locale reference pages.
 *
 * This file is intentionally imported/composed after each surface's legacy
 * component CSS. Header layout, destination geometry, and chrome controls
 * must be changed here instead of adding another surface-specific override.
 */

.workspace-header.product-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 30;
  isolation: isolate;
  display: grid !important;
  grid-template-columns: minmax(180px, 1fr) minmax(420px, 520px) minmax(180px, 1fr);
  align-items: center;
  gap: 16px 20px;
  min-height: 78px;
  padding: 11px 28px;
  border-block-end: 1px solid var(--quiet);
  background: var(--header-glass);
  backdrop-filter: blur(18px);
}

.product-header > .brand-identity,
.product-header > .product-nav,
.product-header > .product-header-actions {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.product-header > .brand-identity {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  width: auto;
  max-width: min(100%, 350px);
  flex: none;
}

.product-header > .brand-identity .brand-emblem {
  width: 44px;
  height: 44px;
}

.product-header > .brand-identity .brand-wordmark-window {
  width: 132px;
  height: 21px;
}

.product-header > .brand-identity .brand-tagline {
  max-width: 250px;
  font-size: 8px;
}

.product-header > .product-nav {
  position: relative !important;
  inset: auto !important;
  top: auto !important;
  left: auto !important;
  grid-column: 2;
  grid-row: 1;
  justify-self: center;
  isolation: isolate;
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  width: 100% !important;
  min-width: 0 !important;
  max-width: 520px !important;
  margin: 0 !important;
  padding: 4px !important;
  border: 1px solid var(--quiet) !important;
  border-radius: 18px !important;
  background: var(--header-glass) !important;
  translate: none !important;
  backdrop-filter: blur(16px);
  --product-nav-selected-bg: var(--text);
  --product-nav-selected-fg: var(--bg);
}

.product-header .product-nav > .product-nav-indicator {
  position: absolute;
  z-index: 0;
  inset: 4px auto 4px 4px;
  display: block !important;
  width: calc((100% - 8px) / 3) !important;
  border-radius: 13px;
  background: var(--product-nav-selected-bg);
  box-shadow: 0 5px 16px rgba(31, 30, 28, .12);
  visibility: visible;
  opacity: 1;
  will-change: transform;
}

.product-nav[data-active-destination="live"] > .product-nav-indicator {
  transform: translateX(0);
}

.product-nav[data-active-destination="study"] > .product-nav-indicator {
  transform: translateX(100%);
}

.product-nav[data-active-destination="learn"] > .product-nav-indicator {
  transform: translateX(200%);
}

[dir="rtl"] .product-nav[data-active-destination="live"] > .product-nav-indicator {
  transform: translateX(200%);
}

[dir="rtl"] .product-nav[data-active-destination="study"] > .product-nav-indicator {
  transform: translateX(100%);
}

[dir="rtl"] .product-nav[data-active-destination="learn"] > .product-nav-indicator {
  transform: translateX(0);
}

.product-nav[data-active-destination="none"] > .product-nav-indicator {
  visibility: hidden;
  opacity: 0;
}

.product-header .product-nav > .product-nav-item {
  position: relative;
  z-index: 1;
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) !important;
  align-content: center;
  align-items: center;
  justify-content: stretch;
  gap: 0;
  min-width: 0;
  min-height: 52px !important;
  padding: 7px 12px !important;
  border: 0 !important;
  border-radius: 13px;
  background: transparent !important;
  color: var(--muted);
  font: inherit;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: color .2s ease, background-color .2s ease;
}

.product-header .product-nav > .product-nav-item:hover {
  background: var(--control-choice-hover-bg) !important;
  color: var(--text);
}

.product-header .product-nav > .product-nav-item.is-selected {
  background: transparent !important;
  color: var(--product-nav-selected-fg) !important;
}

.product-header .product-nav .workspace-nav-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.product-header .product-nav .product-nav-item small,
.product-header .product-nav .product-nav-item strong {
  display: block;
  min-width: 0;
  overflow: hidden;
  color: currentColor;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-header .product-nav .product-nav-item small {
  opacity: .62;
  font-size: 9px !important;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.product-header .product-nav .product-nav-item strong {
  margin: 2px 0 0;
  font-size: 13px !important;
  font-weight: 800;
}

.product-header > .product-header-actions {
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.product-header .product-nav > .product-nav-item:focus-visible,
.product-header .theme-toggle:focus-visible,
.product-header .product-language-control:focus-visible {
  outline: 3px solid var(--control-focus-ring);
  outline-offset: 2px;
}

.product-header .theme-toggle {
  position: relative;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--theme-control-border);
  border-radius: 50%;
  background: var(--theme-control-bg);
  color: var(--theme-control-fg);
  box-shadow: 0 1px 0 rgba(31, 30, 28, .03);
  font: inherit;
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease, box-shadow .24s ease;
}

.product-header .theme-toggle:hover {
  border-color: var(--theme-control-border-hover);
  background: var(--theme-control-bg-hover);
}

.product-header .theme-icon {
  position: absolute;
  width: 18px;
  height: 18px;
  background: currentColor;
  pointer-events: none;
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
}

.product-header .theme-icon-sun { mask-image: url("/icons/sun.svg"); }
.product-header .theme-icon-moon { mask-image: url("/icons/moon.svg"); }

.product-header .product-language-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 112px;
  min-height: 44px;
  padding: 8px 10px 8px 12px;
  border: 1px solid var(--quiet);
  border-radius: 999px;
  background: var(--control-glass);
  color: var(--text);
  box-shadow: 0 1px 0 rgba(31, 30, 28, .03);
  font: inherit;
  font-size: 11px;
  font-weight: 800;
  text-decoration: none;
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: border-color .18s ease, background-color .18s ease, box-shadow .18s ease;
}

.product-header .product-language-control:hover,
.product-header .product-language-control[aria-expanded="true"] {
  border-color: var(--module-border-strong);
  background: var(--control-glass-strong);
  box-shadow: 0 8px 24px rgba(31, 30, 28, .08);
}

.product-language-mark {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 20px;
  height: 20px;
  font-size: 13px;
  font-weight: 900;
}

.product-header .product-language-mark {
  width: 20px;
  height: 20px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: currentColor;
}

.product-header .runtime-strip.is-learning {
  display: none !important;
}

.product-language-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-header .product-language-code {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  min-width: 26px;
  height: 24px;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: .08em;
}

@media (min-width: 1600px) {
  .workspace-header.product-header {
    grid-template-columns: minmax(220px, 1fr) minmax(520px, 620px) minmax(220px, 1fr);
    gap-inline: 24px;
  }

  .product-header > .product-nav {
    max-width: 620px !important;
  }
}

@media (max-width: 1399px) {
  .workspace-header.product-header {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px 20px;
    min-height: 0;
    padding-block: 12px;
  }

  .product-header > .brand-identity {
    grid-column: 1;
    grid-row: 1;
  }

  .product-header > .brand-identity .brand-tagline {
    display: none;
  }

  .product-header > .product-header-actions {
    grid-column: 2;
    grid-row: 1;
  }

  .product-header > .product-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: center;
    width: min(620px, 100%) !important;
    max-width: 620px !important;
    transform: none !important;
  }

  .product-header .runtime-strip {
    display: none !important;
  }
}

@media (max-width: 640px) {
  .workspace-header.product-header {
    gap: 9px 10px;
    padding: 10px max(14px, env(safe-area-inset-right)) 12px max(14px, env(safe-area-inset-left));
  }

  .product-header > .brand-identity {
    max-width: min(100%, 210px);
  }

  .product-header > .brand-identity .brand-emblem {
    width: 38px;
    height: 38px;
  }

  .product-header > .brand-identity .brand-wordmark-window {
    width: 104px;
    height: 17px;
  }

  .product-header > .brand-identity .brand-tagline {
    display: none;
  }

  .product-header > .product-header-actions {
    gap: 6px;
  }

  .product-header > .product-nav {
    width: 100% !important;
    max-width: none !important;
  }

  .product-header .product-nav > .product-nav-item {
    min-height: 48px !important;
    padding: 6px 4px !important;
  }

  .product-header .product-nav .product-nav-item small {
    display: none;
  }

  .product-header .product-nav .product-nav-item strong {
    margin: 0;
    font-size: 12px !important;
    white-space: normal;
  }

  .product-header .product-language-control {
    width: 44px;
    min-width: 44px;
    padding: 0;
  }

  .product-header .product-language-label,
  .product-header .product-language-code {
    display: none;
  }
}

@media (max-width: 360px) {
  .workspace-header.product-header {
    padding-inline-start: max(10px, env(safe-area-inset-left));
    padding-inline-end: max(10px, env(safe-area-inset-right));
  }

  .product-header > .brand-identity .brand-wordmark-window {
    width: 92px;
  }

  .product-header .product-nav .product-nav-item strong {
    font-size: 11px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-header .product-nav > .product-nav-indicator,
  .product-header .product-nav > .product-nav-item,
  .product-header .theme-toggle,
  .product-header .product-language-control {
    transition: none;
  }

}

/* Shared footer system.
 * This file is the single source for both the React shell and generated pages. */
.brand-footer {
  --footer-rule: rgba(244, 241, 234, .12);
  --footer-copy: rgba(244, 241, 234, .74);
  --footer-muted: rgba(244, 241, 234, .52);
  position: relative;
  overflow: hidden;
  padding: clamp(36px, 4vw, 48px) 48px 22px;
  border-top: 1px solid rgba(244, 241, 234, .06);
  background: var(--footer-bg, #0e0e0d);
  color: var(--footer-text, #f2f0e9);
}

.brand-footer .footer-grid {
  --footer-column-gap: clamp(22px, 2.4vw, 38px);
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-areas:
    "brand brand principle principle"
    "workspaces method legal legal";
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(22px, 2.4vw, 38px) var(--footer-column-gap);
  align-items: start;
  max-width: 1580px;
  margin: 0 auto;
}

.brand-footer .footer-grid > * { min-width: 0; }
.brand-footer .footer-brand { display: flex; grid-area: brand; align-self: start; }
.brand-footer .footer-workspaces { grid-area: workspaces; }
.brand-footer .footer-method { grid-area: method; }
.brand-footer .footer-legal {
  grid-area: legal;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--footer-column-gap);
}
.brand-footer .footer-legal > p { grid-column: 1 / -1; }

.brand-footer .brand-identity-footer {
  width: max-content;
  max-width: 100%;
  height: auto;
  padding: 14px 16px;
  border: 1px solid rgba(244, 241, 234, .11);
  border-radius: 16px;
  background: var(--footer-panel, #191917);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .025), 0 14px 34px rgba(0, 0, 0, .08);
}
.brand-footer .brand-identity-footer .brand-emblem {
  width: clamp(64px, 5.2vw, 76px);
  height: auto;
}
.brand-footer .brand-identity-footer .brand-type-stack {
  flex: 1 1 auto;
  min-width: 0;
}
.brand-footer .brand-identity-footer .brand-wordmark-window {
  width: clamp(185px, 15vw, 215px);
  max-width: 100%;
  height: auto;
  aspect-ratio: 190 / 31;
}
.brand-footer .brand-identity-footer .brand-tagline { color: rgba(244, 241, 234, .72); }
.brand-footer .brand-wordmark,
.brand-footer .brand-emblem { filter: invert(1) hue-rotate(180deg); }

.brand-footer .footer-column { display: grid; align-content: start; gap: 10px; min-width: 0; }
.brand-footer .footer-column > p {
  margin: 4px 0 8px;
  color: rgba(244, 241, 234, .4);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .16em;
}
.brand-footer .footer-column a,
.brand-footer .footer-column button {
  display: flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  min-height: 36px;
  padding: 0;
  overflow-wrap: anywhere;
  border: 0;
  background: transparent;
  color: var(--footer-copy);
  font-size: 12px;
  text-decoration: none;
}
.brand-footer .footer-column a:hover,
.brand-footer .footer-column button:hover { color: var(--hero); }
.brand-footer a:focus-visible,
.brand-footer button:focus-visible { outline: 2px solid var(--hero); outline-offset: 4px; }

.brand-footer .footer-principle {
  grid-area: principle;
  align-self: start;
  min-width: 0;
  padding: 18px;
  border: 1px solid rgba(244, 241, 234, .11);
  border-radius: 16px;
  background: rgba(244, 241, 234, .045);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .02);
  text-align: left;
}
.brand-footer .footer-principle > span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin-bottom: 13px;
  padding: 5px 7px;
  border-radius: 5px;
  background: var(--hero);
  color: var(--on-accent);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .12em;
  line-height: 1;
}
.brand-footer .footer-principle strong {
  display: block;
  max-width: 300px;
  font-size: 18px;
  letter-spacing: -.025em;
  line-height: 1.12;
}
.brand-footer .footer-principle p {
  margin: 10px 0 0;
  color: var(--footer-muted);
  font-size: 10px;
  line-height: 1.65;
}

.brand-footer .footer-floor {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: flex-start;
  max-width: 1580px;
  margin: 22px auto 0;
  padding-top: 14px;
  border-top: 1px solid var(--footer-rule);
  color: rgba(244, 241, 234, .4);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

@media (max-width: 1199px) and (min-width: 821px) {
  .brand-footer .footer-grid { --footer-column-gap: 24px; gap: 24px var(--footer-column-gap); }
}

@media (max-width: 820px) and (min-width: 641px) {
  .brand-footer .footer-grid {
    --footer-column-gap: 18px;
    grid-template-areas:
      "brand brand principle principle"
      "workspaces method legal legal";
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px var(--footer-column-gap);
  }
}

@media (max-width: 820px) {
  .brand-footer { padding: 32px 18px 18px; }
}

@media (max-width: 640px) {
  .brand-footer .footer-grid {
    --footer-column-gap: 16px;
    grid-template-areas:
      "brand brand"
      "principle principle"
      "workspaces method"
      "legal legal";
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px var(--footer-column-gap);
  }
  .brand-footer .footer-brand { justify-content: flex-start; }
  .brand-footer .footer-principle { width: 100%; }
}

@media (max-width: 520px) {
  .brand-footer { padding: 28px 16px 16px; }
  .brand-footer .footer-grid { --footer-column-gap: 14px; gap: 16px var(--footer-column-gap); }
  .brand-footer .brand-identity-footer { min-height: 0; padding: 10px 12px; }
  .brand-footer .brand-identity-footer .brand-emblem { width: 44px; height: auto; }
  .brand-footer .brand-identity-footer .brand-wordmark-window { width: min(142px, 43vw); height: auto; aspect-ratio: 190 / 31; }
  .brand-footer .footer-column { justify-items: stretch; text-align: left; }
  .brand-footer .footer-column a,
  .brand-footer .footer-column button { justify-content: flex-start; width: 100%; min-height: 40px; }
  .brand-footer .footer-principle { padding: 15px; }
  .brand-footer .footer-principle > span { margin-bottom: 11px; }
  .brand-footer .footer-principle strong { font-size: 16px; }
  .brand-footer .footer-principle p { margin-top: 8px; }
  .brand-footer .footer-floor { justify-content: center; margin-top: 20px; text-align: center; }
}

@media (max-width: 360px) {
  .brand-footer .footer-grid { --footer-column-gap: 12px; }
}

@media (max-width: 700px) {
  .app-shell:has(.editor-page) .brand-footer { padding-bottom: calc(100px + env(safe-area-inset-bottom)); }
}