:root {
  color-scheme: light;
  --bg: #f4f1ec;
  --surface: #ffffff;
  --surface-soft: #f7faf8;
  --surface-warm: #fbf7f0;
  --text: #172023;
  --muted: #667278;
  --line: #d8dfdc;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --amber: #b45309;
  --shadow: 0 14px 34px rgba(23, 32, 35, 0.1);
  --radius: 8px;
  font-family: Inter, Manrope, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 0;
}

body {
  margin: 0;
  min-width: 0;
  min-height: 100dvh;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
}

button {
  font: inherit;
}

a {
  color: inherit;
}

.app-shell {
  width: min(100%, 1440px);
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(14px, env(safe-area-inset-top)) 14px max(16px, env(safe-area-inset-bottom));
}

.topbar {
  min-width: 0;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

.brand-block,
.topbar-side {
  min-width: 0;
}

.topbar-side {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.kicker {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 16px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  overflow-wrap: anywhere;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 24px;
  line-height: 30px;
}

h2 {
  font-size: 20px;
  line-height: 26px;
}

.status-pill,
.version-pill {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-size: 13px;
  line-height: 16px;
  font-weight: 800;
  white-space: nowrap;
}

.status-pill {
  padding: 0 12px;
  color: var(--amber);
}

.version-pill {
  min-width: 70px;
  padding: 0 12px;
  color: var(--accent-dark);
}

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

.intro-panel,
.nav-panel,
.info-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 14px;
}

.panel-head {
  min-width: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.intro-copy {
  display: grid;
  gap: 6px;
}

.intro-copy p {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 21px;
}

.intro-copy .muted-line {
  color: var(--muted);
}

.primary-link,
.back-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-weight: 900;
  text-decoration: none;
}

.primary-link {
  width: fit-content;
  margin-top: 4px;
  background: var(--accent);
  color: #ffffff;
  padding: 0 14px;
}

.back-link {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--accent-dark);
  padding: 0 12px;
  font-size: 13px;
}

.mode-switch {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(52px, 1fr));
  width: min(100%, 210px);
  min-width: 0;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-soft);
}

.mode-switch button {
  min-width: 0;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.mode-switch button:last-child {
  border-right: 0;
}

.mode-switch button.is-active {
  background: var(--accent);
  color: #ffffff;
}

.module-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.module-card {
  min-width: 0;
  min-height: 84px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-areas:
    "code title"
    "code note";
  column-gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--text);
  padding: 12px;
  text-align: left;
  cursor: pointer;
  text-decoration: none;
}

.module-card:hover,
.module-card:focus-visible {
  border-color: rgba(15, 118, 110, 0.55);
  background: #eef8f5;
}

.module-card.is-selected {
  border-color: var(--accent);
  background: #e8f5f2;
}

.module-code {
  grid-area: code;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(15, 118, 110, 0.24);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
}

.module-title {
  grid-area: title;
  min-width: 0;
  font-size: 17px;
  line-height: 22px;
  font-weight: 900;
}

.module-note {
  grid-area: note;
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 18px;
}

.section-status {
  min-height: 22px;
  margin: 12px 0 0;
  color: var(--accent-dark);
  font-size: 14px;
  line-height: 20px;
  font-weight: 700;
}

.info-column {
  min-width: 0;
  display: grid;
  gap: 12px;
}

.state-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
}

.state-list div {
  min-width: 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.state-list dt,
.state-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 20px;
}

.state-list dt {
  color: var(--muted);
}

.state-list dd {
  color: var(--text);
  font-weight: 800;
  text-align: right;
}

.release-date {
  margin: 6px 0 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 20px;
}

.release-list {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 20px;
  color: var(--text);
  font-size: 14px;
  line-height: 20px;
}

.docs-workspace,
.docs-layout,
.material-layout {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.docs-hero,
.category-panel,
.materials-panel,
.material-meta,
.material-reader {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 14px;
}

.docs-hero p,
.material-summary {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 21px;
}

.search-box {
  min-width: 0;
  display: grid;
  gap: 6px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 18px;
  font-weight: 800;
}

.search-box input {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--text);
  padding: 0 12px;
  font: inherit;
}

.category-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.category-filter {
  min-width: 0;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--text);
  padding: 0 12px;
  cursor: pointer;
  text-align: left;
}

.category-filter span,
.category-filter strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.category-filter strong {
  color: var(--accent-dark);
}

.category-filter.is-active,
.category-filter:hover,
.category-filter:focus-visible {
  border-color: var(--accent);
  background: #e8f5f2;
}

.materials-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.material-card {
  min-width: 0;
  min-height: 120px;
  display: grid;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--text);
  padding: 12px;
  text-decoration: none;
}

.material-card:hover,
.material-card:focus-visible {
  border-color: rgba(15, 118, 110, 0.55);
  background: #eef8f5;
}

.material-card[hidden] {
  display: none;
}

.material-type {
  color: var(--accent-dark);
  font-size: 12px;
  line-height: 16px;
  font-weight: 900;
  text-transform: uppercase;
}

.material-card strong {
  min-width: 0;
  font-size: 18px;
  line-height: 23px;
  overflow-wrap: anywhere;
}

.material-card span,
.material-card small {
  min-width: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 20px;
  overflow-wrap: anywhere;
}

.material-meta {
  align-self: start;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.tag {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(15, 118, 110, 0.24);
  border-radius: 999px;
  background: #eef8f5;
  color: var(--accent-dark);
  padding: 0 9px;
  font-size: 12px;
  line-height: 16px;
  font-weight: 800;
}

.material-reader h2 {
  margin-bottom: 8px;
  font-size: 28px;
  line-height: 34px;
}

.content-stack {
  display: grid;
  gap: 12px;
  margin: 16px 0;
}

.content-section {
  min-width: 0;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.content-section h2 {
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 26px;
}

.content-section ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
  color: var(--text);
  font-size: 16px;
  line-height: 24px;
}

.primary-link:focus-visible,
.back-link:focus-visible,
.category-filter:focus-visible,
.material-card:focus-visible,
.module-card:focus-visible,
.mode-switch button:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.26);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .app-shell {
    padding-left: 12px;
    padding-right: 12px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .topbar-side {
    width: 100%;
    justify-content: space-between;
  }

  h1 {
    font-size: 21px;
    line-height: 27px;
  }

  h2 {
    font-size: 18px;
    line-height: 24px;
  }

  .panel-head {
    flex-direction: column;
  }

  .mode-switch {
    width: 100%;
  }

  .primary-link,
  .back-link {
    width: 100%;
  }

  .module-card {
    min-height: 78px;
  }

  .material-reader h2 {
    font-size: 23px;
    line-height: 29px;
  }
}

@media (min-width: 700px) {
  .module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) and (orientation: landscape) {
  .app-shell {
    padding: 16px;
  }

  .workspace {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
    grid-template-areas:
      "intro info"
      "nav info";
    align-items: start;
  }

  .intro-panel {
    grid-area: intro;
  }

  .nav-panel {
    grid-area: nav;
  }

  .info-column {
    grid-area: info;
  }

  .module-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .module-card {
    min-height: 116px;
    grid-template-columns: 1fr;
    grid-template-areas:
      "code"
      "title"
      "note";
    align-content: start;
    row-gap: 8px;
  }

  .docs-layout {
    grid-template-columns: minmax(240px, 0.34fr) minmax(0, 0.66fr);
    align-items: start;
  }

  .material-layout {
    grid-template-columns: minmax(260px, 0.32fr) minmax(0, 0.68fr);
    align-items: start;
  }
}

@media (min-width: 1024px) and (max-height: 800px) {
  .app-shell {
    padding: 12px;
  }

  .topbar {
    min-height: 52px;
    margin-bottom: 10px;
  }

  h1 {
    font-size: 22px;
    line-height: 28px;
  }

  h2 {
    font-size: 18px;
    line-height: 23px;
  }

  .workspace {
    gap: 10px;
  }

  .intro-panel,
  .nav-panel,
  .info-panel {
    padding: 12px;
  }

  .intro-copy p,
  .release-list,
  .state-list dt,
  .state-list dd {
    font-size: 13px;
    line-height: 18px;
  }

  .module-grid {
    gap: 8px;
  }

  .module-card {
    min-height: 98px;
    padding: 10px;
  }

  .docs-hero,
  .category-panel,
  .materials-panel,
  .material-meta,
  .material-reader {
    padding: 12px;
  }

  .docs-layout {
    gap: 10px;
    grid-template-columns: minmax(220px, 0.33fr) minmax(0, 0.67fr);
  }

  .materials-grid {
    gap: 8px;
  }

  .material-card {
    min-height: 104px;
    padding: 10px;
  }

  .material-card strong {
    font-size: 16px;
    line-height: 21px;
  }

  .material-card span,
  .material-card small,
  .docs-hero p,
  .content-section ul {
    font-size: 13px;
    line-height: 18px;
  }

  .material-reader h2 {
    font-size: 24px;
    line-height: 30px;
  }

  .module-title {
    font-size: 15px;
    line-height: 20px;
  }

  .module-note {
    font-size: 12px;
    line-height: 16px;
  }
}

@media (min-width: 1366px) and (max-height: 800px) {
  .app-shell {
    max-width: 1366px;
  }

  .workspace {
    grid-template-columns: minmax(0, 1.55fr) minmax(330px, 0.45fr);
  }

  .module-card {
    min-height: 104px;
  }
}

html[data-view-mode="mobile"] .workspace {
  grid-template-columns: 1fr;
  grid-template-areas: none;
}

html[data-view-mode="mobile"] .intro-panel,
html[data-view-mode="mobile"] .nav-panel,
html[data-view-mode="mobile"] .info-column {
  grid-area: auto;
}

html[data-view-mode="mobile"] .module-grid {
  grid-template-columns: 1fr;
}

html[data-view-mode="mobile"] .docs-layout,
html[data-view-mode="mobile"] .material-layout {
  grid-template-columns: 1fr;
}

html[data-view-mode="mobile"] .materials-grid {
  grid-template-columns: 1fr;
}

html[data-view-mode="mobile"] .module-card {
  min-height: 78px;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-areas:
    "code title"
    "code note";
}

html[data-view-mode="pos"] .workspace {
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  grid-template-areas:
    "intro info"
    "nav info";
}

html[data-view-mode="pos"] .intro-panel {
  grid-area: intro;
}

html[data-view-mode="pos"] .nav-panel {
  grid-area: nav;
}

html[data-view-mode="pos"] .info-column {
  grid-area: info;
}

html[data-view-mode="pos"] .module-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

html[data-view-mode="pos"] .docs-layout {
  grid-template-columns: minmax(240px, 0.34fr) minmax(0, 0.66fr);
}

html[data-view-mode="pos"] .material-layout {
  grid-template-columns: minmax(270px, 0.32fr) minmax(0, 0.68fr);
}