.tab-shell {
  max-width: 100%;
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text);
}

.tab-list [role="tab"] {
  min-height: 42px;
  flex: 1 1 auto;
  padding: 8px 18px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-muted);
  font-weight: 650;
}

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

.tab-list [role="tab"][aria-selected="true"] {
  background: var(--color-page);
  color: var(--color-accent-dark);
  box-shadow: var(--shadow-card);
}

.tab-panel {
  padding-top: 28px;
}

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

.jump-toc {
  position: sticky;
  top: 14px;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-inner);
  background: var(--color-page);
  color: var(--color-text);
  box-shadow: var(--shadow-card);
}

.jump-toc a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding-inline: 13px;
  border-radius: var(--radius-pill);
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.jump-toc a:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-inner);
  background: var(--color-page);
  color: var(--color-text);
  box-shadow: var(--shadow-card);
}

.faq-item summary {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 20px;
  color: var(--color-text);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  width: 28px;
  height: 28px;
  display: inline-grid;
  flex: 0 0 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  content: "+";
  font-size: 20px;
  font-weight: 500;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--color-muted);
}

.faq-answer > :last-child {
  margin-bottom: 0;
}

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

.term-card {
  padding: 25px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-inner);
  background: var(--color-page);
  color: var(--color-text);
  box-shadow: var(--shadow-card);
}

.term-card dt {
  margin-bottom: 9px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 750;
}

.term-card dd {
  margin: 0;
  color: var(--color-muted);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.download-card {
  position: relative;
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-page);
  color: var(--color-text);
  box-shadow: var(--shadow-card);
}

.download-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

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

.download-card p {
  color: var(--color-muted);
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.client-badge {
  max-width: 100%;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.35;
  white-space: nowrap;
}

.client-badge-primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.client-badge-recommended {
  border: 1px solid var(--color-accent);
  background: var(--color-page);
  color: var(--color-accent-dark);
}

.client-badge-retired {
  border: 1px solid var(--color-border);
  background: var(--color-panel-strong);
  color: var(--color-muted);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.article-card {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-page);
  color: var(--color-text);
  box-shadow: var(--shadow-card);
}

.article-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.article-card h3 {
  font-size: 21px;
}

.article-card p {
  flex: 1;
  color: var(--color-muted);
}

.article-card-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-accent-dark);
  font-weight: 700;
  text-decoration: none;
}

.callout {
  position: relative;
  margin: 28px 0;
  padding: 20px 22px 20px 52px;
  border: 1px solid var(--color-accent-mid);
  border-radius: var(--radius-inner);
  background: var(--color-accent-soft);
  color: var(--color-text);
}

.callout::before {
  position: absolute;
  top: 22px;
  left: 22px;
  width: 12px;
  height: 12px;
  border: 3px solid var(--color-accent);
  border-radius: 50%;
  content: "";
}

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

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

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

.callout-warning::before {
  border-color: var(--color-warning);
}

.end-download-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 26px;
  margin-top: 56px;
  padding: clamp(24px, 5vw, 42px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  color: var(--color-text);
}

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

.end-download-card p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.dl-fab {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 80;
  max-width: min(330px, calc(100vw - 32px));
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px 10px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-text);
  color: var(--color-white);
  box-shadow: var(--shadow-window);
  text-decoration: none;
}

.dl-fab:hover {
  color: var(--color-white);
  transform: translateY(-2px);
}

.dl-fab-icon {
  width: 40px;
  height: 40px;
  display: grid;
  flex: 0 0 40px;
  place-items: center;
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-accent-dark);
}

.dl-fab-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.dl-fab-copy {
  min-width: 0;
  display: grid;
  color: var(--color-white);
  line-height: 1.35;
}

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

.dl-fab-copy small {
  color: var(--color-panel-strong);
  font-size: 12px;
}

.preview-block {
  padding-top: 72px;
  padding-bottom: 72px;
}

.preview-block + .preview-block {
  border-top: 1px solid var(--color-border);
}

.preview-title {
  margin-bottom: 34px;
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.swatch {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-inner);
  background: var(--color-page);
  color: var(--color-text);
}

.swatch-color {
  height: 84px;
  border-bottom: 1px solid var(--color-border);
}

.swatch-copy {
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
}

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

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

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

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

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

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

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

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

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

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

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

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

.type-sample {
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}

.type-sample:last-child {
  border-bottom: 0;
}

.component-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

@media (max-width: 900px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 700px) {
  .term-grid,
  .download-grid,
  .component-grid {
    grid-template-columns: 1fr;
  }

  .jump-toc {
    position: static;
  }

  .end-download-card {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .tab-list {
    border-radius: var(--radius-inner);
  }

  .tab-list [role="tab"] {
    flex-basis: calc(50% - 4px);
  }

  .dl-fab {
    right: 16px;
    bottom: 16px;
    left: 16px;
    max-width: none;
  }

  .swatch-grid {
    grid-template-columns: 1fr;
  }
}