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

.tab-list {
  display: flex;
  max-width: 100%;
  gap: 6px;
  margin: 0 0 28px;
  padding: 6px;
  overflow-x: auto;
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  list-style: none;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.tab-list [role="tab"] {
  display: inline-flex;
  min-width: max-content;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--color-transparent);
  color: var(--color-muted);
  font-weight: 800;
}

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

.tab-list [role="tab"].active,
.tab-list [role="tab"][aria-selected="true"] {
  background: var(--color-canvas);
  color: var(--color-ink);
  box-shadow: var(--shadow-panel);
}

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

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

.toc {
  position: sticky;
  top: calc(var(--header-height) + 12px);
  z-index: 20;
  max-width: 100%;
  margin-bottom: 40px;
  padding: 8px;
  overflow-x: auto;
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-ink);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc ul {
  display: flex;
  width: max-content;
  min-width: 100%;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 750;
  white-space: nowrap;
}

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

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

.faq-item {
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  color: var(--color-ink);
}

.faq-item summary {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 800;
  list-style: none;
}

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

.faq-item summary::after {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--color-canvas);
  color: var(--color-accent-dark);
  content: "+";
  font-size: 20px;
  line-height: 1;
}

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

.faq-answer {
  padding: 0 22px 22px;
  color: var(--color-muted);
}

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

.term-card {
  min-width: 0;
  padding: 26px;
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  color: var(--color-ink);
}

.term-card dt {
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
}

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

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

.client-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 260px;
  flex-direction: column;
  padding: 28px;
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  color: var(--color-ink);
}

.client-card.is-featured {
  background: var(--color-accent);
  color: var(--color-canvas);
  box-shadow: var(--shadow-button-hover);
}

.client-card.is-featured h3,
.client-card.is-featured p,
.client-card.is-featured .client-meta {
  color: var(--color-canvas);
}

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

.client-head img {
  width: 56px;
  height: 56px;
  flex: 0 0 auto;
}

.client-card h3 {
  font-size: 23px;
}

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

.client-meta {
  margin-top: auto;
  color: var(--color-muted);
  font-size: 14px;
}

.client-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.client-card.is-featured .button-secondary {
  background: var(--color-canvas);
  color: var(--color-accent-dark);
}

.version-slot:empty {
  display: none;
}

.version-slot:not(:empty) {
  display: inline;
}

.status-badge {
  display: inline-flex;
  max-width: 100%;
  min-height: 28px;
  align-items: center;
  padding: 4px 10px;
  overflow: hidden;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 850;
  line-height: 1.2;
}

.status-featured {
  background: var(--color-ink);
  color: var(--color-canvas);
}

.status-recommended {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.status-archived {
  background: var(--color-panel-strong);
  color: var(--color-muted);
}

.client-card.is-featured .status-featured {
  background: var(--color-canvas);
  color: var(--color-accent-dark);
}

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

.post-card {
  display: flex;
  min-width: 0;
  min-height: 290px;
  flex-direction: column;
  padding: 26px;
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  color: var(--color-ink);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.post-card time {
  margin-bottom: 16px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

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

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

.post-card .badge {
  align-self: flex-start;
  margin-top: auto;
}

.callout {
  position: relative;
  margin: 28px 0;
  padding: 22px 24px 22px 28px;
  overflow-x: clip;
  border-radius: var(--radius-medium);
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

.callout::before {
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 0;
  width: 5px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

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

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

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

.callout-error {
  background: var(--color-panel);
  color: var(--color-ink);
}

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

.dl-fab {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 80;
  display: inline-flex;
  max-width: calc(100vw - 36px);
  min-height: 58px;
  align-items: center;
  gap: 12px;
  padding: 9px 18px 9px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-canvas);
  box-shadow: var(--shadow-button-hover);
  font-weight: 800;
}

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

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

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

.article-download-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  margin-top: 56px;
  padding: 28px;
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  color: var(--color-ink);
}

.article-download-card p {
  margin: 8px 0 0;
  color: var(--color-muted);
}

.feature-track {
  display: grid;
  grid-auto-columns: minmax(300px, 31vw);
  grid-auto-flow: column;
  gap: 22px;
  padding: 8px var(--gutter) 28px;
  overflow-x: auto;
  scroll-padding-inline: var(--gutter);
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.feature-track::-webkit-scrollbar {
  display: none;
}

.feature-card {
  min-width: 0;
  min-height: 370px;
  padding: 28px;
  border-radius: var(--radius-panel);
  background: var(--color-canvas);
  color: var(--color-ink);
  box-shadow: var(--shadow-panel);
  scroll-snap-align: start;
}

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

.feature-swatch {
  width: 58px;
  height: 58px;
  margin-bottom: 28px;
  border-radius: 20px;
  background: var(--color-brick-cobalt);
  box-shadow: inset 0 0 0 1px var(--color-white-highlight), 0 0 30px var(--color-glow-cobalt);
}

.feature-swatch.is-grass {
  background: var(--color-brick-grass);
  box-shadow: inset 0 0 0 1px var(--color-white-highlight), 0 0 30px var(--color-glow-grass);
}

.feature-swatch.is-pink {
  background: var(--color-brick-pink);
  box-shadow: inset 0 0 0 1px var(--color-white-highlight), 0 0 30px var(--color-glow-pink);
}

.feature-controls {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 18px;
}

.feature-control {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-canvas);
}

.feature-control:disabled {
  background: var(--color-sun-disabled);
  color: var(--color-canvas);
  cursor: not-allowed;
}

.feature-control svg {
  width: 22px;
  height: 22px;
}

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

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

.preview-swatch {
  min-height: 120px;
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background: var(--swatch-color);
  color: var(--swatch-text);
  font-family: var(--font-mono);
  font-size: 12px;
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  .feature-track {
    grid-auto-columns: minmax(300px, 72vw);
  }
}

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

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

  .toc {
    top: calc(var(--header-height) + 6px);
  }

  .faq-item summary {
    padding-inline: 18px;
  }

  .faq-answer {
    padding-inline: 18px;
  }

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

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

  .feature-track {
    grid-auto-columns: calc(100vw - var(--gutter) * 2 - 24px);
  }

  .dl-fab {
    right: 12px;
    bottom: 12px;
  }
}