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

.tab-list {
  display: flex;
  max-width: 100%;
  gap: 8px;
  padding: 6px;
  overflow-x: auto;
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.tab-list [role="tab"] {
  min-width: max-content;
  min-height: 44px;
  padding: 9px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-muted);
  cursor: pointer;
  font-weight: 600;
}

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

.tab-list [role="tab"][aria-selected="true"],
.tab-list [role="tab"].is-active {
  border-color: var(--color-border);
  background: var(--color-bg);
  color: var(--color-accent-dark);
}

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

.tab-panel {
  padding-top: 34px;
}

.jump-toc {
  display: flex;
  max-width: 100%;
  gap: 10px;
  padding: 10px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-overflow-scrolling: touch;
}

.jump-toc a {
  display: inline-flex;
  min-width: max-content;
  min-height: 42px;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  text-decoration: none;
}

.jump-toc a:hover,
.jump-toc a[aria-current="true"] {
  background: var(--color-panel);
  color: var(--color-accent-dark);
}

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

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

.faq-item summary {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 2px;
  color: var(--color-text);
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  list-style: none;
}

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

.faq-item summary::after {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  border-right: 1.5px solid var(--color-text);
  border-bottom: 1.5px solid var(--color-text);
  content: "";
  transform: rotate(45deg) translateY(-3px);
  transition: transform var(--motion-fast) ease;
}

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

.faq-answer {
  max-width: 780px;
  padding: 0 36px 26px 2px;
  color: var(--color-text-muted);
}

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.term-card {
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-bg);
  color: var(--color-text);
}

.term-name {
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 25px;
  font-weight: 400;
}

.term-alias {
  margin-bottom: 16px;
  color: var(--color-accent-dark);
  font: 12px/1.5 var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

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

.download-card {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-bg);
  color: var(--color-text);
}

.download-card + .download-card {
  margin-top: 18px;
}

.download-card-main {
  min-width: 0;
}

.download-card-head {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 16px;
}

.client-logo {
  width: 54px;
  height: 54px;
  flex-shrink: 0;
}

.download-card-title {
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
}

.download-version {
  color: var(--color-text-muted);
  font: 13px/1.5 var(--font-mono);
  overflow-wrap: anywhere;
}

.download-actions {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 10px;
}

.download-actions .button {
  width: 100%;
}

.file-name {
  color: var(--color-text-muted);
  font: 12px/1.55 var(--font-mono);
  overflow-wrap: anywhere;
}

.badge-row,
.tag-row,
.platform-row {
  display: flex;
  max-width: 100%;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.badge,
.tag,
.platform-chip {
  display: inline-flex;
  max-width: 100%;
  min-height: 32px;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.35;
}

.badge::before {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.badge-primary {
  border-color: var(--color-accent);
  background: var(--color-bg);
  color: var(--color-accent-dark);
}

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

.badge-recommended {
  border-color: var(--color-success);
  background: var(--color-bg);
  color: var(--color-success);
}

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

.badge-retired {
  border-color: var(--color-border);
  background: var(--color-panel);
  color: var(--color-text-muted);
}

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

.tag {
  min-height: 28px;
  padding: 5px 11px;
  font: 12px/1.35 var(--font-mono);
}

.platform-chip {
  min-height: 36px;
  padding: 8px 17px;
  font-size: 13.5px;
  letter-spacing: .02em;
}

.platform-chip svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.article-card {
  display: flex;
  min-width: 0;
  min-height: 100%;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-bg);
  color: var(--color-text);
}

.article-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: 22px;
  color: var(--color-text-muted);
  font: 12px/1.5 var(--font-mono);
}

.article-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
}

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

.article-card-link {
  display: inline-flex;
  min-height: 44px;
  margin-top: auto;
  padding-top: 20px;
  align-items: center;
  gap: 8px;
  color: var(--color-accent-dark);
  font-weight: 650;
  text-decoration: none;
}

.article-card-link::after {
  color: var(--color-warning);
  content: "→";
}

.callout {
  padding: 22px 24px;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-medium) var(--radius-medium) 0;
  background: var(--color-panel);
  color: var(--color-text);
}

.callout-title {
  margin-bottom: 8px;
  color: var(--color-accent-dark);
  font-weight: 700;
}

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

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

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

.prose > .data-table {
  width: 100%;
}

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

.feature-row {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(220px, .65fr);
  gap: clamp(36px, 8vw, 110px);
  align-items: center;
  padding-top: clamp(64px, 9vw, 112px);
  padding-bottom: clamp(64px, 9vw, 112px);
  border-bottom: 1px solid var(--color-border);
}

.feature-copy {
  max-width: 700px;
}

.feature-copy h3 {
  font-family: var(--font-display);
  font-size: clamp(30px, 3vw, 42px);
  font-weight: 400;
}

.feature-copy p {
  color: var(--color-text-muted);
}

.feature-link {
  display: inline-flex;
  min-height: 44px;
  margin-top: 18px;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 600;
  text-decoration: none;
}

.feature-link::after {
  color: var(--color-warning);
  content: "→";
}

.feature-geometry {
  display: grid;
  place-items: center;
  color: var(--color-black-line);
}

.feature-geometry svg {
  width: min(100%, 230px);
  height: auto;
}

.dl-fab {
  position: fixed;
  z-index: 35;
  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: 66px;
  align-items: center;
  gap: 13px;
  padding: 12px 18px 12px 12px;
  border: 1px solid var(--color-window-border);
  border-radius: var(--radius-pill);
  background: var(--color-window);
  color: var(--color-white);
  box-shadow: var(--shadow-fab);
  text-decoration: none;
}

.dl-fab:hover {
  background: var(--color-accent-dark);
  color: var(--color-white);
}

.dl-fab-icon {
  display: grid;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-white);
}

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

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

.dl-fab-title {
  display: block;
  font-size: 14px;
  font-weight: 700;
}

.dl-fab-note {
  display: block;
  color: var(--color-window-text);
  font-size: 12px;
}

.article-download-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  margin-top: 48px;
  padding: 28px;
  border-radius: var(--radius-large);
  background: var(--color-panel);
  color: var(--color-text);
}

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

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

  .feature-row {
    grid-template-columns: minmax(0, 1fr) 200px;
  }
}

@media (max-width: 640px) {
  .glossary-grid,
  .blog-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .download-actions {
    align-items: stretch;
  }

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

  .feature-geometry {
    justify-content: start;
  }

  .feature-geometry svg {
    width: 160px;
  }

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

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

  .dl-fab {
    right: 12px;
    bottom: 12px;
    max-width: calc(100vw - 24px);
  }

  .platform-row,
  .badge-row,
  .tag-row {
    flex-direction: row;
    justify-content: center;
  }
}