.tabs {
  min-width: 0;
}

.tab-list {
  display: flex;
  max-width: 100%;
  gap: 0;
  margin: 0 0 32px;
  overflow-x: auto;
  border-bottom: 1px solid var(--color-line);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.tab-list [role='tab'] {
  position: relative;
  display: inline-flex;
  min-width: max-content;
  min-height: 48px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: 0;
  border-right: 1px solid var(--color-line);
  background: var(--color-canvas);
  color: var(--color-text-soft);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
}

.tab-list [role='tab']:hover {
  background: var(--color-panel);
  color: var(--color-text);
}

.tab-list [role='tab'][aria-selected='true'],
.tab-list [role='tab'].is-active {
  background: var(--color-panel-raised);
  color: var(--color-text);
}

.tab-list [role='tab'][aria-selected='true']::after,
.tab-list [role='tab'].is-active::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--color-accent);
  content: '';
}

.tab-panel {
  min-width: 0;
}

.tab-panel[hidden] {
  display: none;
}

.toc {
  max-width: 100%;
  margin-bottom: 48px;
  overflow-x: auto;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  -webkit-overflow-scrolling: touch;
}

.toc-list {
  display: flex;
  min-width: max-content;
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc-list li {
  display: flex;
  align-items: center;
}

.toc-list li + li::before {
  color: var(--color-line);
  content: '/';
  font-family: var(--font-mono);
}

.toc-list a {
  display: flex;
  min-height: 48px;
  align-items: center;
  padding-inline: 16px;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}

.toc-list a:hover,
.toc-list a[aria-current='location'] {
  color: var(--color-accent);
}

.split-features {
  display: grid;
  grid-template-columns: minmax(180px, 0.28fr) minmax(0, 1fr);
  gap: clamp(40px, 7vw, 104px);
}

.feature-index {
  position: sticky;
  top: 94px;
  align-self: start;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-index a {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 11px;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

.feature-index a::before {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: var(--radius-round);
  background: var(--color-line);
  content: '';
}

.feature-index a:hover,
.feature-index a.is-current {
  color: var(--color-text);
}

.feature-index a.is-current::before {
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-dot-glow);
}

.feature-panels {
  min-width: 0;
}

.feature-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  padding-top: 72px;
  padding-bottom: 72px;
  border-top: 1px solid var(--color-line);
}

.feature-panel:last-child {
  border-bottom: 1px solid var(--color-line);
}

.feature-copy p {
  max-width: 560px;
}

.faq-list {
  border-top: 1px solid var(--color-line);
}

.faq-item {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-canvas);
  color: var(--color-text);
}

.faq-item summary {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  color: var(--color-text);
  cursor: pointer;
  font-size: 17px;
  font-weight: 500;
  list-style: none;
}

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

.faq-item summary::after {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  border-right: 1px solid var(--color-text-soft);
  border-bottom: 1px solid var(--color-text-soft);
  content: '';
  transform: rotate(45deg) translateY(-3px);
  transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
  transform: rotate(225deg) translate(-2px, -2px);
}

.faq-answer {
  max-width: 820px;
  padding: 0 40px 26px 0;
  color: var(--color-text-soft);
}

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

.term-card {
  min-width: 0;
  padding: 28px;
  background: var(--color-panel);
  color: var(--color-text);
}

.term-name {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 11px;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 16px;
}

.term-name::before {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: var(--radius-round);
  background: var(--color-accent);
  content: '';
}

.term-card p {
  margin-bottom: 0;
  font-size: 14px;
}

.client-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.client-card {
  position: relative;
  min-width: 0;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--color-line);
  background: var(--color-panel);
  color: var(--color-text);
}

.client-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.client-card-title {
  min-width: 0;
}

.client-card-title h3 {
  margin-bottom: 5px;
}

.client-card-meta {
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 12px;
}

.client-downloads {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.client-downloads .button {
  width: 100%;
  justify-content: space-between;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge,
.tag {
  display: inline-flex;
  max-width: 100%;
  min-height: 26px;
  align-items: center;
  gap: 7px;
  padding: 3px 9px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-none);
  background: var(--color-panel-raised);
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  text-overflow: clip;
  white-space: nowrap;
}

.badge::before {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: var(--radius-round);
  background: var(--color-text-soft);
  content: '';
}

.badge-primary,
.badge-recommended {
  border-color: var(--color-accent-deep);
  background: var(--color-panel);
  color: var(--color-accent);
}

.badge-primary::before,
.badge-recommended::before {
  background: var(--color-accent);
  box-shadow: 0 0 7px var(--color-dot-glow);
}

.badge-stopped {
  border-color: var(--color-error);
  background: var(--color-panel);
  color: var(--color-error);
}

.badge-stopped::before {
  background: var(--color-error);
}

.badge-warning {
  border-color: var(--color-warning);
  background: var(--color-panel);
  color: var(--color-warning);
}

.badge-warning::before {
  background: var(--color-warning);
}

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

.article-card {
  display: flex;
  min-width: 0;
  min-height: 300px;
  flex-direction: column;
  padding: 32px;
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-canvas);
  color: var(--color-text);
  transition: background-color var(--transition-fast);
}

.article-card:nth-child(2n) {
  border-right: 0;
}

.article-card:hover {
  background: var(--color-panel);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 34px;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.article-card h3 {
  font-size: clamp(21px, 2vw, 27px);
}

.article-card p {
  margin-bottom: 28px;
}

.article-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
}

.callout {
  position: relative;
  margin: 28px 0;
  padding: 22px 24px 22px 46px;
  border-top: 1px solid var(--color-line);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  border-left: 2px solid var(--color-accent);
  background: var(--color-panel);
  color: var(--color-text);
}

.callout::before {
  position: absolute;
  top: 28px;
  left: 22px;
  width: 7px;
  height: 7px;
  border-radius: var(--radius-round);
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-dot-glow);
  content: '';
}

.callout-title {
  margin-bottom: 6px;
  color: var(--color-text);
  font-weight: 600;
}

.callout p:last-child {
  margin-bottom: 0;
}

.callout-warning {
  border-left-color: var(--color-warning);
  background: var(--color-panel);
  color: var(--color-text);
}

.callout-warning::before {
  background: var(--color-warning);
  box-shadow: 0 0 8px var(--color-warning-glow);
}

.callout-error {
  border-left-color: var(--color-error);
  background: var(--color-panel);
  color: var(--color-text);
}

.callout-error::before {
  background: var(--color-error);
  box-shadow: none;
}

.dl-fab {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 80;
  display: flex;
  width: min(320px, calc(100vw - 32px));
  min-height: 66px;
  align-items: center;
  gap: 13px;
  padding: 12px 15px;
  border: 1px solid var(--color-accent-deep);
  background: var(--color-panel-raised);
  color: var(--color-text);
  box-shadow: 0 0 28px -12px var(--color-accent-glow);
}

.dl-fab:hover {
  border-color: var(--color-accent);
  background: var(--color-panel);
  color: var(--color-text);
}

.dl-fab-icon {
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  place-items: center;
  background: var(--color-accent);
  color: var(--color-button-ink);
}

.dl-fab-icon svg {
  width: 19px;
  height: 19px;
}

.dl-fab-copy {
  min-width: 0;
}

.dl-fab-copy strong,
.dl-fab-copy span {
  display: block;
}

.dl-fab-copy strong {
  color: var(--color-text);
  font-size: 14px;
}

.dl-fab-copy span {
  color: var(--color-text-soft);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.doc-download-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  margin-top: 56px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--color-accent-deep);
  background: var(--color-panel);
  color: var(--color-text);
}

.doc-download-card h2,
.doc-download-card h3 {
  margin-bottom: 8px;
}

.doc-download-card p {
  margin-bottom: 0;
}

.switch-list {
  border-top: 1px solid var(--color-line);
}

.switch-row {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 12px;
}

.switch-control {
  position: relative;
  width: 38px;
  height: 20px;
  flex: 0 0 auto;
  border: 1px solid var(--color-accent-deep);
  background: var(--color-panel-raised);
}

.switch-control::after {
  position: absolute;
  top: 3px;
  left: 20px;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  content: '';
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--color-line);
  background: var(--color-line);
}

.swatch {
  min-width: 0;
  background: var(--color-panel);
  color: var(--color-text);
}

.swatch-color {
  height: 88px;
  border-bottom: 1px solid var(--color-line);
}

.swatch-copy {
  padding: 14px;
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  overflow-wrap: anywhere;
}

.swatch-canvas {
  background: var(--color-canvas);
}

.swatch-panel {
  background: var(--color-panel);
}

.swatch-raised {
  background: var(--color-panel-raised);
}

.swatch-line {
  background: var(--color-line);
}

.swatch-accent {
  background: var(--color-accent);
}

.swatch-accent-deep {
  background: var(--color-accent-deep);
}

.swatch-text {
  background: var(--color-text);
}

.swatch-muted {
  background: var(--color-text-soft);
}

.swatch-success {
  background: var(--color-success);
}

.swatch-warning {
  background: var(--color-warning);
}

.swatch-error {
  background: var(--color-error);
}

.type-sample {
  padding-top: 28px;
  padding-bottom: 28px;
  border-top: 1px solid var(--color-line);
}

.type-sample:last-child {
  border-bottom: 1px solid var(--color-line);
}

.type-meta {
  margin-bottom: 12px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
}

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

  .feature-index {
    position: static;
    display: flex;
    max-width: 100%;
    gap: 18px;
    overflow-x: auto;
    border-bottom: 1px solid var(--color-line);
  }

  .feature-index li {
    flex: 0 0 auto;
  }

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

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

@media (max-width: 640px) {
  .term-grid,
  .client-grid,
  .article-grid,
  .palette-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .article-card,
  .article-card:nth-child(2n) {
    min-height: 0;
    border-right: 0;
  }

  .feature-panel {
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .faq-item summary {
    min-height: 68px;
    font-size: 16px;
  }

  .faq-answer {
    padding-right: 0;
  }

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

  .doc-download-card .button {
    width: 100%;
  }

  .dl-fab {
    right: 16px;
    bottom: 16px;
  }

  .tab-list [role='tab'] {
    min-height: 46px;
    padding-inline: 16px;
  }

  .badge-row {
    flex-direction: row;
    flex-wrap: wrap;
  }
}