.tabs {
  min-width: 0;
}

.tab-list {
  display: flex;
  max-width: 100%;
  margin-bottom: 28px;
  padding: 7px;
  gap: 6px;
  overflow-x: auto;
  border-radius: var(--radius-pill);
  background: var(--color-surface-muted);
  color: var(--color-ink);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.tab-list [role="tab"] {
  min-width: max-content;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font-weight: 600;
}

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

.tab-list [role="tab"][aria-selected="true"],
.tab-list [role="tab"].is-active {
  background: var(--color-accent);
  color: var(--color-surface);
  box-shadow: var(--shadow-button);
}

[role="tabpanel"][hidden] {
  display: none;
}

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

.toc {
  display: flex;
  max-width: 100%;
  margin-bottom: 42px;
  padding: 9px;
  align-items: center;
  gap: 5px;
  overflow-x: auto;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc a {
  display: inline-flex;
  min-width: max-content;
  min-height: 42px;
  align-items: center;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  color: var(--color-muted);
}

.toc a:hover,
.toc a[aria-current="true"] {
  background: var(--color-surface-muted);
  color: var(--color-ink);
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: var(--radius-card);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

.faq-item summary {
  position: relative;
  display: flex;
  min-height: 64px;
  padding: 19px 58px 19px 24px;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  right: 24px;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-muted);
  color: var(--color-accent);
  content: "+";
  font-size: 20px;
  font-weight: 400;
  line-height: 22px;
  text-align: center;
  flex-shrink: 0;
}

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

.faq-answer {
  padding: 0 24px 23px;
  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 {
  min-width: 0;
  padding: 28px;
  border-radius: var(--radius-card);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

.term-card dt {
  margin-bottom: 9px;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
}

.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 {
  display: flex;
  min-width: 0;
  height: 100%;
  flex-direction: column;
  padding: 30px;
  border-radius: var(--radius-panel);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

.download-card-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.download-card-head img {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

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

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

.download-card-actions {
  display: flex;
  margin-top: auto;
  padding-top: 16px;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

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

.badge {
  display: inline-flex;
  max-width: 100%;
  min-height: 28px;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-muted);
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.badge::before {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-warning);
  content: "";
  flex-shrink: 0;
}

.badge.is-primary {
  background: var(--color-accent);
  color: var(--color-surface);
}

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

.badge.is-recommended {
  background: var(--color-warning);
  color: var(--color-ink);
}

.badge.is-recommended::before {
  background: var(--color-accent-deep);
}

.badge.is-retired {
  background: var(--color-line);
  color: var(--color-ink);
}

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

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.article-card {
  display: flex;
  min-width: 0;
  min-height: 100%;
  flex-direction: column;
  padding: 27px;
  border-radius: var(--radius-card);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.article-card:hover {
  color: var(--color-ink);
  box-shadow: var(--shadow-panel);
  transform: translateY(-3px);
}

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

.article-card h3 {
  font-size: 22px;
}

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

.article-card-more {
  margin-top: auto;
  padding-top: 12px;
  color: var(--color-accent);
  font-weight: 600;
}

.callout {
  position: relative;
  margin: 28px 0;
  padding: 24px 26px 24px 48px;
  border-radius: var(--radius-card);
  background: var(--color-surface-muted);
  color: var(--color-ink);
}

.callout::before {
  position: absolute;
  top: 28px;
  left: 24px;
  width: 9px;
  height: 9px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.callout.is-warning {
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

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

.callout.is-success::before {
  background: var(--color-success);
}

.callout-title {
  display: block;
  margin-bottom: 5px;
  color: var(--color-ink);
  font-weight: 600;
}

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

.data-table-wrap {
  display: block;
  max-width: 100%;
  margin-bottom: 28px;
  overflow-x: auto;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  -webkit-overflow-scrolling: touch;
}

.prose > .data-table {
  display: block;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.dl-fab {
  position: fixed;
  z-index: 80;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  display: flex;
  max-width: min(330px, calc(100vw - 36px));
  min-height: 68px;
  padding: 12px 18px 12px 12px;
  align-items: center;
  gap: 12px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-surface);
  box-shadow: var(--shadow-button);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.dl-fab:hover {
  background: var(--color-accent-deep);
  color: var(--color-surface);
  transform: translateY(-2px);
}

.dl-fab-icon {
  display: flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-accent);
  flex-shrink: 0;
}

.dl-fab-icon svg {
  width: 20px;
  height: 20px;
}

.dl-fab-copy {
  min-width: 0;
  line-height: 1.3;
}

.dl-fab-copy strong,
.dl-fab-copy span {
  display: block;
  color: var(--color-surface);
}

.dl-fab-copy span {
  margin-top: 3px;
  font-size: 12px;
  opacity: 0.86;
}

.end-download-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  margin-top: 54px;
  padding: clamp(26px, 4vw, 42px);
  align-items: center;
  gap: 28px;
  border-radius: var(--radius-panel);
  background: var(--color-device);
  color: var(--color-device-text);
  box-shadow: var(--shadow-panel);
}

.end-download-card h2,
.end-download-card h3 {
  color: var(--color-device-text);
}

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

@media (max-width: 900px) {
  .blog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 640px) {
  .term-grid,
  .download-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .tab-list,
  .toc {
    border-radius: var(--radius-card);
  }

  .download-card,
  .term-card,
  .article-card {
    padding: 23px 20px;
  }

  .faq-item summary {
    padding-left: 20px;
  }

  .faq-answer {
    padding-right: 20px;
    padding-left: 20px;
  }

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

  .end-download-card {
    border-radius: var(--radius-card);
  }
}