body {
  overflow-x: hidden;
  background: var(--color-bench);
}

.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 100;
  padding: var(--space-2) var(--space-3);
  transform: translateY(-160%);
  border-radius: var(--radius-2);
  background: var(--color-ink);
  color: var(--color-surface);
}

.skip-link:focus {
  transform: translateY(0);
}

.app-shell {
  display: flex;
  min-height: 100vh;
}

.app-main {
  display: flex;
  flex: 1;
  min-width: 0;
  flex-direction: column;
}

.content-region {
  flex: 1;
  min-width: 0;
  padding: var(--space-6) var(--space-7) 64px;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 28px 28px;
}

.content-region > * {
  width: min(100%, var(--content-max-width));
  margin-right: auto;
  margin-left: auto;
}

.page-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.page-heading__copy {
  min-width: 0;
}

.page-heading__title {
  margin-bottom: var(--space-1);
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 700;
  line-height: 1.25;
}

.page-heading__description {
  margin-bottom: 0;
  font-size: 13px;
}

.page-heading__actions {
  flex-shrink: 0;
}

.shell-placeholder {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 0 var(--space-3);
  border: 1px dashed var(--color-grid);
  border-radius: var(--radius-3);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: 11px;
}

.foundation-intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-7) 0 var(--space-8);
}

.foundation-intro h2 {
  margin-bottom: var(--space-3);
  font-size: 34px;
  line-height: 1.1;
}

.foundation-placeholder {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  border: 1px dashed var(--color-grid);
  border-radius: var(--radius-5);
  background: rgb(255 255 255 / 74%);
}

.foundation-placeholder__mark {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-2);
  background: var(--color-ink);
  color: var(--color-surface);
  font-family: var(--font-mono);
  font-weight: 700;
}

.foundation-placeholder h2,
.foundation-placeholder p {
  margin-bottom: var(--space-2);
}

.foundation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.foundation-panel {
  min-width: 0;
  padding: var(--space-5);
  border: 1px solid var(--color-grid);
  border-radius: var(--radius-5);
  background: var(--color-surface);
}

.foundation-panel--wide {
  grid-column: 1 / -1;
}

.component-gallery {
  display: grid;
  gap: 48px;
}

.component-section {
  min-width: 0;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-grid);
}

.component-section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.component-preview-row {
  margin-top: var(--space-4);
}

.gallery-split,
.table-state-grid {
  display: grid;
  gap: var(--space-4);
}

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

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

.component-stack {
  display: grid;
  min-width: 0;
  align-content: start;
  gap: var(--space-3);
}

.loading-skeleton-preview {
  display: block;
  width: min(100%, 280px);
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.spacing-demo {
  display: flex;
  min-height: 72px;
  align-items: flex-end;
  gap: var(--space-3);
}

.spacing-demo span {
  width: calc(var(--space-step) * 8px);
  height: calc(var(--space-step) * 8px);
  max-width: 48px;
  border: 1px solid var(--color-match);
  border-radius: var(--radius-1);
  background: var(--color-match-bg);
}

.mobile-overlay {
  display: none;
}

@media (max-width: 1080px) {
  .content-region {
    padding: var(--space-5) var(--space-5) 56px;
  }
}

@media (max-width: 720px) {
  .content-region {
    padding: var(--space-4) var(--space-4) 48px;
  }

  .page-heading,
  .foundation-intro,
  .section-heading {
    flex-direction: column;
  }

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

  .foundation-panel--wide {
    grid-column: auto;
  }

  .gallery-split,
  .table-state-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-heading__actions,
  .foundation-intro .button {
    width: 100%;
  }

  .foundation-intro .button {
    justify-content: center;
  }
}

@media (max-width: 420px) {
  .foundation-placeholder {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}