[hidden] {
  display: none !important;
}

/* Enable cross-document view transitions for same-origin navigation */
@view-transition {
  navigation: auto;
}

/* Debug: verify view transitions are active */
html::view-transition-group(*) {
  animation-duration: 0.3s;
}

html::view-transition-old(*) {
  animation: 90ms cubic-bezier(0.4, 0, 1, 1) both fade-out;
}

html::view-transition-new(*) {
  animation: 210ms cubic-bezier(0, 0, 0.2, 1) 90ms both fade-in;
}

@keyframes fade-in {
  from { opacity: 0; }
}

@keyframes fade-out {
  to { opacity: 0; }
}

/* Stable transition names for persistent elements */
pf-v6-masthead {
  view-transition-name: masthead;
  /* Match toggle button size to toolbar icons */
  --pf-v6-c-masthead__toggle--Size: 0.875rem;
}

pf-v6-page-sidebar {
  view-transition-name: sidebar;
}

cem-drawer {
  view-transition-name: drawer;
}

pf-v6-page-main {
  view-transition-name: main-content;
}

pf-v6-tree-view {
  view-transition-name: tree-view;
}

:root {
  /* Map to PatternFly tokens */
  --cem-dev-server-bg-primary: var(--pf-t--global--background--color--primary--default);
  --cem-dev-server-bg-secondary: var(--pf-t--global--background--color--secondary--default);
  --cem-dev-server-bg-tertiary: var(--pf-t--global--background--color--primary--hover);

  --cem-dev-server-text-color-primary: var(--pf-t--global--text--color--regular);
  --cem-dev-server-text-secondary: var(--pf-t--global--text--color--subtle);
  --cem-dev-server-text-muted: var(--pf-t--global--text--color--subtle);

  --cem-dev-server-border-color: var(--pf-t--global--border--color--default);
  --cem-dev-server-accent-color: var(--pf-t--global--color--brand--default);
  --cem-dev-server-accent-hover: var(--pf-t--global--color--brand--hover);

  /* Component-specific */
  --cem-dev-server-header-height: 56px;
  --cem-dev-server-sidebar-width: 280px;
  --cem-dev-server-knobs-width: 320px;

  /* Spacing */
  --cem-dev-server-spacing-xs: 0.25rem;
  --cem-dev-server-spacing-sm: 0.5rem;
  --cem-dev-server-spacing-md: 1rem;
  --cem-dev-server-spacing-lg: 1.5rem;
  --cem-dev-server-spacing-xl: 2rem;

  /* Typography */
  --cem-dev-server-font-size-body: var(--pf-t--global--font--size--body--default);
  --cem-dev-server-font-family-body: var(--pf-t--global--font--family--body);
  --cem-dev-server-font-family-mono: 'Courier New', monospace;
  --cem-dev-server-font-size-sm: 0.875rem;
  --cem-dev-server-font-size-base: 1rem;
  --cem-dev-server-font-size-lg: 1.125rem;

  /* Borders */
  --cem-dev-server-border-radius: 6px;
  --cem-dev-server-border-width: 1px;

  /* Syntax highlighting (chroma) */
  --cem-dev-server-syntax-keyword: light-dark(#d73a49, #ff7b72);
  --cem-dev-server-syntax-type: light-dark(#445588, #79c0ff);
  --cem-dev-server-syntax-name: light-dark(#008080, #79c0ff);
  --cem-dev-server-syntax-class: light-dark(#445588, #ffa657);
  --cem-dev-server-syntax-decorator: light-dark(#3c5d5d, #ffa657);
  --cem-dev-server-syntax-special: light-dark(#800080, #d2a8ff);
  --cem-dev-server-syntax-function: light-dark(#6f42c1, #d2a8ff);
  --cem-dev-server-syntax-tag: light-dark(#22863a, #7ee787);
  --cem-dev-server-syntax-string: light-dark(#032f62, #a5d6ff);
  --cem-dev-server-syntax-number: light-dark(#005cc5, #79c0ff);
  --cem-dev-server-syntax-error: light-dark(#d73a49, #ff7b72);
  --cem-dev-server-syntax-error-bg: light-dark(#ffeef0, #490202);
  --cem-dev-server-syntax-inserted: light-dark(#22863a, #7ee787);
  --cem-dev-server-syntax-inserted-bg: light-dark(#f0fff4, #04260f);
  --cem-dev-server-syntax-deleted: light-dark(#22863a, #ffa198);
  --cem-dev-server-syntax-deleted-bg: light-dark(#f0fff4, #490202);
  --cem-dev-server-syntax-highlight: light-dark(#ffffcc, #404040);
}

html {
  background: var(--cem-dev-server-bg-secondary);
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--cem-dev-server-font-family-body);
  font-size: var(--cem-dev-server-font-size-body);
  background: var(--cem-dev-server-bg-primary);
  color: var(--cem-dev-server-text-color-primary);
  color-scheme: light dark;
}

/* View Transition: Make chrome appear persistent, fade content */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 150ms;
}

::view-transition-old(dev-server-header),
::view-transition-new(dev-server-header),
::view-transition-old(dev-server-footer),
::view-transition-new(dev-server-footer),
::view-transition-old(dev-server-drawer),
::view-transition-new(dev-server-drawer),
::view-transition-old(dev-server-knobs),
::view-transition-new(dev-server-knobs) {
  animation-duration: 0s;
}

/* Listing component styles (light DOM) */
cem-serve-listing {
  display: block;

  .listing-grid {
    display: grid;
    gap: var(--cem-dev-server-spacing-lg);
  }

  .element-section {
    background: var(--cem-dev-server-bg-secondary);
    border: var(--cem-dev-server-border-width) solid var(--cem-dev-server-border-color);
    border-radius: var(--cem-dev-server-border-radius);
    padding: var(--cem-dev-server-spacing-lg);
  }

  .element-title {
    margin: 0 0 var(--cem-dev-server-spacing-md) 0;
    color: var(--cem-dev-server-accent-color);
    font-size: var(--cem-dev-server-font-size-lg);
  }

  .demo-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--cem-dev-server-spacing-sm);
  }

  .demo-link {
    color: var(--cem-dev-server-text-color-primary);
    text-decoration: none;
    padding: var(--cem-dev-server-spacing-sm) var(--cem-dev-server-spacing-md);
    background: var(--cem-dev-server-bg-tertiary);
    border-radius: var(--cem-dev-server-border-radius);
    display: block;
    transition: background 0.2s, color 0.2s;

    &:hover {
      background: var(--cem-dev-server-accent-color);
      color: var(--pf-t--global--text--color--on-brand);

      .package-name {
        color: light-dark(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.8));
      }
    }

    .package-name {
      color: var(--cem-dev-server-text-secondary);
      font-size: var(--cem-dev-server-font-size-sm);
    }
  }

  .empty-state {
    text-align: center;
    padding: var(--cem-dev-server-spacing-xl);
    color: var(--cem-dev-server-text-secondary);

    p {
      margin: var(--cem-dev-server-spacing-sm) 0;
    }

    .help-text {
      font-size: var(--cem-dev-server-font-size-sm);
    }
  }
}

/* Package section */
.package-section {
  margin-block-end: var(--pf-t--global--spacer--2xl);
}

.package-section:last-child {
  margin-block-end: 0;
}

.package-heading {
  margin: 0 0 var(--pf-t--global--spacer--lg) 0;
  color: var(--pf-t--global--text--color--regular);
  font-family: var(--pf-t--global--font--family--heading);
  font-size: var(--pf-t--global--font--size--heading--md);
  font-weight: var(--pf-t--global--font--weight--heading--default);
  line-height: var(--pf-t--global--font--line-height--heading);
}

/* Listing grid layout */
.listing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: var(--pf-t--global--spacer--gap--group-to-group--horizontal--default)
       var(--pf-t--global--spacer--gap--group-to-group--vertical--default);
  align-items: start;
}

.listing-grid h3 {
  display: inline-block;
  margin-inline-end: var(--pf-t--global--spacer--lg);
}

/* Element summary - make paragraphs inline */
.element-summary,
.element-summary > * {
  display: inline;
  margin: 0;
}

.demo-link {
  display: flex;
  flex-direction: column;
  gap: var(--pf-t--global--spacer--xs);
}

.demo-description {
  font-size: var(--cem-dev-server-font-size-sm);
  color: var(--cem-dev-server-text-secondary);
}

cem-serve-knobs {
  & .instance-tag {
    font-family: var(--cem-dev-server-font-family-mono);
    color: var(--cem-dev-server-accent-color);
    font-size: var(--cem-dev-server-font-size-sm);
  }

  & .instance-label {
    color: var(--cem-dev-server-text-secondary);
    font-size: var(--cem-dev-server-font-size-sm);
  }

  & pf-v6-switch {
    align-self: center;
  }

  pf-v6-form[horizontal] pf-v6-form-field-group {
    grid-column: span 2;
  }
}

h3[slot=manifest-name],
dl[slot=manifest-details] {
  margin-block: 0;
  & dd p:first-child {
    margin-block-start: 0;
  }
  & dd p:last-child {
    margin-block-end: 0;
  }
}