.tab-shell {
  display: grid;
  grid-template-columns: minmax(220px, 0.34fr) minmax(0, 1fr);
  min-width: 0;
  border: var(--line-strong) solid var(--color-text);
  background: var(--color-panel);
}

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

.tab-list {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 8px;
  border-right: var(--line-strong) solid var(--color-text);
  background: var(--color-bg);
}

.tab-list[role="tablist"] {
  gap: 3px;
}

.tab-button,
[role="tab"].tab-button {
  display: flex;
  width: 100%;
  min-height: 48px;
  align-items: center;
  padding: 10px 12px;
  border: 0;
  border-left: 4px solid var(--color-transparent);
  border-radius: var(--radius-none);
  color: var(--color-text-muted);
  background: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.tab-button::before {
  flex: 0 0 auto;
  margin-right: 9px;
  color: var(--color-border);
  content: ">";
}

.tab-button:hover {
  color: var(--color-text);
  border-left-color: var(--color-border);
  background: var(--color-panel-raised);
}

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

.tab-button.active::before,
.tab-button[aria-selected="true"]::before {
  color: var(--color-bg);
}

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

.tab-panel {
  min-width: 0;
  padding: clamp(22px, 4vw, 42px);
}

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

.tab-panel h3 {
  color: var(--color-accent);
}

.tab-panel__meta {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.toc {
  position: sticky;
  top: 10px;
  z-index: 4;
  max-width: 100%;
  margin-bottom: 34px;
  padding: 7px;
  overflow-x: auto;
  border-top: var(--line-strong) solid var(--color-text);
  border-bottom: var(--line-strong) solid var(--color-text);
  background: var(--color-panel);
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

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

.toc a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 8px 12px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.toc a:hover,
.toc a:focus-visible {
  color: var(--color-bg);
  background: var(--color-accent);
}

@media (max-width: 640px) {
  .toc__list {
    width: 100%;
    flex-direction: column;
  }

  .toc a {
    width: 100%;
    white-space: normal;
  }
}

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

.faq-item {
  border-bottom: var(--line-thin) solid var(--color-border);
  background: var(--color-panel);
}

.faq-item summary {
  position: relative;
  display: flex;
  min-height: 58px;
  align-items: center;
  padding: 14px 52px 14px 16px;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 800;
  list-style: none;
  cursor: pointer;
}

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

.faq-item summary::before {
  flex: 0 0 auto;
  margin-right: 12px;
  color: var(--color-accent);
  content: "Q>";
}

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 17px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  content: "[+]";
  transform: translateY(-50%);
}

.faq-item[open] summary {
  color: var(--color-bg);
  background: var(--color-accent);
}

.faq-item[open] summary::before,
.faq-item[open] summary::after {
  color: var(--color-bg);
}

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

.faq-answer {
  padding: 18px 20px 20px;
  color: var(--color-text-muted);
  border-top: var(--line-thin) dashed var(--color-border);
}

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

.term-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.term-card {
  position: relative;
  min-width: 0;
  padding: 22px;
  overflow: hidden;
  border: var(--line-thin) solid var(--color-border);
  background: var(--color-panel);
}

.term-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 5px;
  background: var(--color-accent);
  content: "";
}

.term-card__code {
  margin-bottom: 9px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.term-card h3 {
  margin-bottom: 9px;
  font-size: 20px;
}

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

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.client-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  border: var(--line-strong) solid var(--color-border);
  background: var(--color-panel);
}

.client-card:hover {
  border-color: var(--color-accent);
  background: var(--color-panel-raised);
}

.client-card__header {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  border-bottom: var(--line-thin) dashed var(--color-border);
}

.client-card__icon {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
}

.client-card__heading {
  min-width: 0;
}

.client-card__heading h3 {
  margin-bottom: 5px;
  font-size: 21px;
}

.client-card__version {
  display: none;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.client-card__version:not(:empty) {
  display: block;
}

.client-card__body {
  min-width: 0;
  flex: 1 1 auto;
  padding: 20px;
  color: var(--color-text-muted);
}

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

.client-card__footer {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 20px 20px;
}

.client-badges {
  position: absolute;
  top: -2px;
  right: -2px;
  display: flex;
  min-width: 0;
  max-width: calc(100% - 20px);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.client-badge {
  display: inline-flex;
  min-width: 0;
  max-width: 100%;
  min-height: 27px;
  align-items: center;
  padding: 4px 9px;
  overflow: hidden;
  color: var(--color-bg);
  border: var(--line-strong) solid var(--color-accent);
  background: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  white-space: nowrap;
}

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

.client-badge--retired {
  color: var(--color-bg);
  border-color: var(--color-error);
  background: var(--color-error);
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.post-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 22px;
  border-left: 7px solid var(--color-accent);
  border-top: var(--line-thin) solid var(--color-border);
  border-right: var(--line-thin) solid var(--color-border);
  border-bottom: var(--line-thin) solid var(--color-border);
  background: var(--color-panel);
}

.post-card:hover {
  color: var(--color-bg);
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.post-card__meta {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.post-card__tag {
  display: inline-flex;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  font-weight: 800;
  white-space: nowrap;
}

.post-card h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

.post-card p {
  flex: 1 1 auto;
  margin-bottom: 20px;
  color: var(--color-text-muted);
}

.post-card__more {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.post-card:hover .post-card__meta,
.post-card:hover h3,
.post-card:hover p,
.post-card:hover .post-card__more {
  color: var(--color-bg);
}

.callout {
  position: relative;
  min-width: 0;
  margin: 24px 0;
  padding: 20px 22px 20px 50px;
  border-top: var(--line-strong) solid var(--color-accent);
  border-right: var(--line-strong) solid var(--color-accent);
  border-bottom: var(--line-strong) solid var(--color-accent);
  border-left: 10px solid var(--color-accent);
  color: var(--color-text);
  background: var(--color-panel-raised);
}

.callout::before {
  position: absolute;
  top: 18px;
  left: 15px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 800;
  content: "!";
}

.callout__title {
  margin-bottom: 8px;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-weight: 800;
}

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

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

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

.dl-fab {
  position: fixed;
  right: max(16px, var(--gutter));
  bottom: max(16px, var(--gutter));
  z-index: var(--layer-fab);
  display: inline-flex;
  max-width: calc(100vw - 32px);
  min-height: 52px;
  align-items: center;
  padding: 7px 14px 7px 8px;
  border: var(--line-strong) solid var(--color-bg);
  color: var(--color-bg);
  background: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

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

.dl-fab__icon {
  display: inline-flex;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  margin-right: 9px;
  border: var(--line-strong) solid var(--color-bg);
}

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

.end-download-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 26px;
  margin-top: 48px;
  padding: clamp(22px, 4vw, 38px);
  border: var(--line-strong) solid var(--color-accent);
  background: var(--color-panel);
}

.end-download-card > * {
  min-width: 0;
}

.end-download-card h2,
.end-download-card h3 {
  margin-bottom: 8px;
  color: var(--color-accent);
}

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

.end-download-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.steps {
  margin: 0;
  padding: 0;
  counter-reset: bios-step;
  list-style: none;
}

.steps > li {
  position: relative;
  min-width: 0;
  padding: 0 0 34px 64px;
  counter-increment: bios-step;
}

.steps > li::before {
  position: absolute;
  top: 0;
  left: 0;
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-bg);
  background: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 800;
  content: counter(bios-step, decimal-leading-zero);
}

.steps > li::after {
  position: absolute;
  top: 48px;
  bottom: 4px;
  left: 21px;
  border-left: var(--line-thin) dashed var(--color-border);
  content: "";
}

.steps > li:last-child::after {
  display: none;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.palette-chip {
  min-width: 0;
  border: var(--line-thin) solid var(--color-border);
  background: var(--color-panel);
}

.palette-chip__color {
  height: 82px;
  border-bottom: var(--line-thin) solid var(--color-border);
}

.palette-chip__label {
  display: block;
  padding: 10px;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 11px;
  overflow-wrap: anywhere;
}

.palette-chip--bg .palette-chip__color {
  background: var(--color-bg);
}

.palette-chip--panel .palette-chip__color {
  background: var(--color-panel);
}

.palette-chip--raised .palette-chip__color {
  background: var(--color-panel-raised);
}

.palette-chip--border .palette-chip__color {
  background: var(--color-border);
}

.palette-chip--accent .palette-chip__color {
  background: var(--color-accent);
}

.palette-chip--accent-dark .palette-chip__color {
  background: var(--color-accent-pressed);
}

.palette-chip--text .palette-chip__color {
  background: var(--color-text);
}

.palette-chip--muted .palette-chip__color {
  background: var(--color-text-muted);
}

.palette-chip--error .palette-chip__color {
  background: var(--color-error);
}

.type-specimen {
  display: grid;
  gap: 0;
  border-top: var(--line-strong) solid var(--color-text);
}

.type-specimen__row {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  align-items: baseline;
  gap: 22px;
  padding: 22px 0;
  border-bottom: var(--line-thin) dashed var(--color-border);
}

.type-specimen__label {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
}

.type-specimen__display {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
}

.type-specimen__heading {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(27px, 4vw, 40px);
  font-weight: 800;
}

.type-specimen__body {
  margin: 0;
  color: var(--color-text-muted);
}

@media (max-width: 760px) {
  .tab-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .tab-list {
    overflow-x: auto;
    flex-direction: row;
    border-right: 0;
    border-bottom: var(--line-strong) solid var(--color-text);
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
  }

  .tab-list[role="tablist"] {
    width: 100%;
  }

  .tab-button,
  [role="tab"].tab-button {
    width: auto;
    min-width: max-content;
    border-left: 0;
    border-bottom: 4px solid var(--color-transparent);
  }

  .tab-button:hover {
    border-left-color: var(--color-transparent);
    border-bottom-color: var(--color-border);
  }

  .tab-button.active,
  .tab-button[aria-selected="true"] {
    border-left-color: var(--color-transparent);
    border-bottom-color: var(--color-accent);
  }

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

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

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

  .type-specimen__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }
}

@media (max-width: 640px) {
  .prose > .data-table {
    display: block;
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .toc {
    top: 0;
  }

  .faq-item summary {
    min-height: 52px;
    padding-left: 12px;
  }

  .client-card__header,
  .client-card__body {
    padding: 17px;
  }

  .client-card__footer {
    padding: 0 17px 17px;
  }

  .client-card__footer .btn {
    width: 100%;
  }

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

  .end-download-card__actions {
    display: grid;
    width: 100%;
  }

  .end-download-card__actions .btn {
    width: 100%;
  }

  .steps > li {
    padding-left: 56px;
  }

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