/* Layout helpers for the docs examples. */
.demo-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.demo-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--demo-min, 220px), 1fr));
  gap: 16px;
}

.demo-label {
  margin: 0 0 6px;
  color: var(--bw-color-text-muted);
  font-size: 12px;
  font-weight: 600;
}

.demo-matrix {
  display: grid;
  grid-template-columns: max-content repeat(var(--demo-cols, 6), max-content);
  justify-content: start;
  align-items: center;
  gap: 12px 14px;
}

.demo-matrix > .demo-label {
  margin: 0;
}

.demo-box {
  padding: 16px;
  border: 1px dashed var(--bw-color-line-dashed);
  border-radius: var(--bw-radius-input);
}

/* Motion examples. */
.motion-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  padding: 12px;
  border-radius: var(--bw-radius-input);
  background: var(--bw-color-accent-tint);
  color: var(--bw-color-accent-text);
  font-size: 12px;
}

.motion-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.motion-list > li {
  padding: 12px 14px;
  border-radius: var(--bw-radius-input);
  background: var(--bw-color-surface);
  font-size: 14px;
}

.motion-dot {
  position: relative;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bw-color-accent);
}

.motion-dot__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--bw-color-accent);
}

/* Index pages: a titled section of cards, each with a small preview. Shared by Components and Layouts. */
.catalog-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-bottom: 24px;
}

.catalog-section__title {
  margin: 0;
  padding: 12px 0;
  border-top: 1px solid var(--bw-color-line);
  border-bottom: 1px solid var(--bw-color-line);
  color: var(--bw-color-text-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px 24px;
}

.catalog-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--bw-color-text);
  text-decoration: none;
}

.catalog-card__title {
  margin-top: 12px;
  font-weight: 700;
}

.catalog-card__meta {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  color: var(--bw-color-text-muted);
}

.catalog-card:hover .wf,
.catalog-card:hover .catalog-preview {
  border-color: color-mix(in srgb, var(--bw-color-accent) 40%, transparent);
}

.catalog-card:hover .wf__window {
  transform: translateY(-4px);
}

.catalog-card:hover .catalog-preview__content {
  transform: translateY(-4px) scale(var(--preview-scale));
}

.catalog-card:focus-visible {
  outline: none;
}

.catalog-card:focus-visible .wf,
.catalog-card:focus-visible .catalog-preview {
  box-shadow: var(--bw-focus-ring);
}

/* A live example, drawn at a larger size and scaled down to fit the card. */
.catalog-preview {
  --preview-scale: .45;
  position: relative;
  aspect-ratio: 16 / 10.5;
  overflow: hidden;
  border: 1px solid var(--bw-color-line);
  border-radius: var(--bw-radius-card);
  background: var(--bw-color-ground);
  transition: border-color var(--bw-duration) var(--bw-ease-out);
}

.catalog-preview__content {
  position: absolute;
  top: 0;
  left: 0;
  box-sizing: border-box;
  width: calc(100% / var(--preview-scale));
  padding: 40px;
  transform: scale(var(--preview-scale));
  transform-origin: top left;
  pointer-events: none;
  transition: transform var(--bw-duration-slow) var(--bw-ease-out);
}

.catalog-preview::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 28%;
  background: linear-gradient(transparent, var(--bw-color-ground));
}

/* Sidebar: every Components and Layouts page, in compact groups under their top-level link. */
.gallery-nav {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin: 2px 0 14px 22px;
  padding-left: 12px;
  border-left: 1px solid var(--bw-color-line);
}

.gallery-nav__label {
  padding: 10px 10px 4px;
  color: var(--bw-color-text-faint);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.bw-sidebar .gallery-nav__item.bw-nav-item {
  min-height: 32px;
  padding: 6px 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--bw-color-text-secondary);
}

.bw-sidebar .gallery-nav__item.bw-nav-item:hover {
  color: var(--bw-color-text);
}

.bw-sidebar .gallery-nav__item.bw-nav-item--active,
.bw-sidebar .gallery-nav__item.bw-nav-item--active:hover {
  color: var(--bw-color-accent-text);
  font-weight: 600;
}

.page-picker {
  max-width: 420px;
}

/* Shown while the WebAssembly runtime downloads, and if it fails. */
.app-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 100vh;
  color: var(--bw-color-text-muted);
  font-size: 14px;
}

.app-loading__spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--bw-color-line-strong);
  border-top-color: var(--bw-color-accent);
  border-radius: 50%;
  animation: bw-spin var(--bw-duration-spin) linear infinite;
}

/* Hidden until Blazor shows it with an inline display: block. */
.app-error {
  display: none;
  position: fixed;
  inset: auto 16px 16px;
  z-index: 1000;
  padding: 12px 16px;
  border-radius: var(--bw-radius-input);
  background: var(--bw-color-danger-tint);
  color: var(--bw-color-danger-text);
  font-weight: 600;
}

.app-error a {
  color: inherit;
}