/*
 * Design System Showcase Styles
 *
 * Shared styles for the design system pattern library pages.
 * These are dev-only pages for documenting UI components.
 */
@layer components {
  /* Page container — each page uses a unique class (e.g. .colors-showcase)
     but they all share this base layout. */
  .ds-showcase {
    max-inline-size: 1000px;
    margin-inline: auto;
    padding: var(--space-8, 2rem) var(--space-6, 1.5rem) var(--space-16, 4rem);
  }

  /* Nav bar */
  .ds-nav {
    border-block-end: 1px solid var(--color-border-primary, #e5e7eb);
    background: var(--color-bg-card, #fff);
    position: sticky;
    inset-block-start: 0;
    z-index: 10;
  }

  .ds-nav__inner {
    max-inline-size: 1000px;
    margin-inline: auto;
    padding-inline: var(--space-6, 1.5rem);
    display: flex;
    align-items: center;
    gap: var(--space-6, 1.5rem);
  }

  .ds-nav__brand {
    font-weight: 600;
    font-size: var(--text-sm, 0.875rem);
    color: var(--color-text-primary, #1a1a2e);
    text-decoration: none;
    white-space: nowrap;
    padding-block: var(--space-3, 0.75rem);
  }

  .ds-nav__links {
    display: flex;
    gap: var(--space-1, 0.25rem);
    overflow-x: auto;
    scrollbar-width: none;
  }

  .ds-nav__links::-webkit-scrollbar {
    display: none;
  }

  .ds-nav__link {
    font-size: var(--text-xs, 0.8125rem);
    color: var(--color-text-secondary, #6b7280);
    text-decoration: none;
    padding: var(--space-3, 0.75rem) var(--space-2, 0.5rem);
    white-space: nowrap;
    border-block-end: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
  }

  .ds-nav__link:hover {
    color: var(--color-text-primary, #1a1a2e);
  }

  .ds-nav__link--active {
    color: var(--color-text-accent, #6366f1);
    border-block-end-color: var(--color-text-accent, #6366f1);
  }

  /* Page header */
  .showcase-header {
    text-align: center;
    margin-block-end: var(--space-12, 3rem);
    padding-block-end: var(--space-8, 2rem);
    border-block-end: 1px solid var(--color-border-primary, #e5e7eb);
  }

  .showcase-header h1 {
    margin-block-end: var(--space-4, 1rem);
  }

  /* Section wrapper */
  .showcase-section {
    margin-block-end: var(--space-12, 3rem);
    padding-block-end: var(--space-8, 2rem);
  }

  .section-title {
    font-size: var(--text-xl, 1.5rem);
    font-weight: 600;
    margin-block-end: var(--space-2, 0.5rem);
  }

  .section-description {
    color: var(--color-text-secondary, #6b7280);
    margin-block-end: var(--space-6, 1.5rem);
  }

  .subsection-title {
    font-size: var(--text-lg, 1.125rem);
    font-weight: 600;
    margin-block: var(--space-6, 1.5rem) var(--space-3, 0.75rem);
  }

  /* Grid / list of showcase items */
  .showcase-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-6, 1.5rem);
  }

  /* Individual showcase card */
  .showcase-item {
    padding: var(--space-5, 1.25rem);
    background: var(--color-bg-card, #f9fafb);
    border-radius: var(--radius-lg, 0.5rem);
    border: 1px solid var(--color-border-primary, #e5e7eb);
  }

  /* Monospace label */
  .showcase-label {
    display: block;
    font-size: var(--text-xs, 0.75rem);
    font-family: ui-monospace, monospace;
    color: var(--color-text-accent, #6366f1);
    margin-block-end: var(--space-3, 0.75rem);
  }

  /* Specs/description beneath a demo */
  .showcase-specs {
    display: block;
    font-size: var(--text-xs, 0.75rem);
    color: var(--color-text-tertiary, #9ca3af);
    margin-block-start: var(--space-3, 0.75rem);
  }

  /* Demo container */
  .component-demo {
    padding-block: var(--space-4, 1rem);
  }

  /* Stacked demos (flex column with gap) */
  .component-demo--stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-3, 0.75rem);
  }

  .component-demo--stack-sm {
    display: flex;
    flex-direction: column;
    gap: var(--space-2, 0.5rem);
  }

  /* Relative-positioned container for toast demos */
  .component-demo--relative {
    position: relative;
  }

  /* Code block */
  .code-block {
    display: block;
    font-size: var(--text-xs, 0.8125rem);
    font-family: ui-monospace, monospace;
    background: var(--color-bg-tertiary, #e5e7eb);
    padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
    border-radius: var(--radius-md, 0.375rem);
    color: var(--color-text-primary, #1a1a2e);
  }

  /* Data table (variables reference, partial reference) */
  .variables-table {
    overflow-x: auto;
  }

  .variables-table table {
    inline-size: 100%;
    border-collapse: collapse;
  }

  .variables-table th,
  .variables-table td {
    padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
    text-align: start;
    border-block-end: 1px solid var(--color-border-primary, #e5e7eb);
  }

  .variables-table th {
    font-weight: 600;
    background: var(--color-bg-card, #f9fafb);
  }

  .variables-table code {
    font-size: var(--text-xs, 0.8125rem);
    background: var(--color-bg-tertiary, #e5e7eb);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm, 0.25rem);
  }

  /* Form field demo (alerts page) */
  .form-field-demo {
    max-inline-size: 400px;
  }

  .form-field-demo label {
    display: block;
    font-weight: 500;
    color: var(--color-text-secondary, #374151);
    margin-block-end: var(--space-1-5, 0.375rem);
    font-size: var(--text-sm, 0.875rem);
  }

  .form-field-demo input {
    inline-size: 100%;
    padding: var(--space-2-5, 0.625rem) var(--space-3, 0.75rem);
    border: 1px solid var(--color-border-primary, #e5e7eb);
    border-radius: var(--radius-md, 0.375rem);
    font-size: var(--text-sm, 0.875rem);
  }

  /* System error demo wrapper */
  .system-error-demo {
    background: var(--color-bg-card, white);
    border-radius: var(--radius-lg, 0.5rem);
    border: 1px solid var(--color-border-primary, #e5e7eb);
    padding: var(--space-4, 1rem);
  }

  .system-error-demo .system-error {
    padding: var(--space-8, 2rem) var(--space-4, 1rem);
  }

  /* Index page */
  .ds-index-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6, 1.5rem);
  }

  .ds-index-card {
    display: block;
    padding: var(--space-6, 1.5rem);
    background: var(--color-bg-card, #fff);
    border: 1px solid var(--color-border-primary, #e5e7eb);
    border-radius: var(--radius-lg, 0.5rem);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
  }

  .ds-index-card:hover {
    border-color: var(--color-border-focus, #6366f1);
    box-shadow: var(--shadow-md, 0 4px 6px -1px rgba(0, 0, 0, 0.1));
  }

  .ds-index-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    inline-size: 56px;
    block-size: 56px;
    border-radius: var(--radius-lg, 0.5rem);
    background: var(--color-bg-subtle, #f9fafb);
    color: var(--color-text-accent, #6366f1);
    margin-block-end: var(--space-4, 1rem);
  }

  .ds-index-card__title {
    font-size: var(--text-lg, 1.125rem);
    font-weight: 600;
    color: var(--color-text-primary, #1a1a2e);
    margin-block-end: var(--space-2, 0.5rem);
  }

  .ds-index-card__desc {
    font-size: var(--text-sm, 0.875rem);
    color: var(--color-text-secondary, #6b7280);
    line-height: 1.5;
    margin: 0;
  }

  /* Color swatches */
  .color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-3, 0.75rem);
  }

  .color-swatch__sample {
    block-size: 64px;
    border-radius: var(--radius-lg, 0.5rem) var(--radius-lg, 0.5rem) 0 0;
    border: 1px solid var(--color-border-primary, #e5e7eb);
    border-block-end: none;
  }

  .color-swatch__name {
    display: block;
    font-size: var(--text-2xs, 0.625rem);
    font-family: ui-monospace, monospace;
    padding: var(--space-2, 0.5rem);
    background: var(--color-bg-card, #f9fafb);
    border: 1px solid var(--color-border-primary, #e5e7eb);
    border-radius: 0 0 var(--radius-lg, 0.5rem) var(--radius-lg, 0.5rem);
    color: var(--color-text-secondary, #6b7280);
  }

  .semantic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-3, 0.75rem);
  }

  .semantic-swatch__sample {
    block-size: 48px;
    border-radius: var(--radius-lg, 0.5rem) var(--radius-lg, 0.5rem) 0 0;
  }

  .semantic-swatch__name {
    display: block;
    font-size: var(--text-2xs, 0.625rem);
    font-family: ui-monospace, monospace;
    padding: var(--space-2, 0.5rem);
    background: var(--color-bg-card, #f9fafb);
    border: 1px solid var(--color-border-primary, #e5e7eb);
    border-block-start: none;
    border-radius: 0 0 var(--radius-lg, 0.5rem) var(--radius-lg, 0.5rem);
    color: var(--color-text-secondary, #6b7280);
  }

  .shadow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-6, 1.5rem);
  }

  .shadow-demo {
    padding: var(--space-6, 1.5rem) var(--space-4, 1rem);
    background: var(--color-bg-card, #fff);
    border-radius: var(--radius-lg, 0.5rem);
    text-align: center;
  }

  .shadow-demo .showcase-label {
    margin-block-end: 0;
  }

  .radius-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-4, 1rem);
  }

  .radius-demo {
    text-align: center;
  }

  .radius-demo__sample {
    inline-size: 64px;
    block-size: 64px;
    background: var(--color-primary-500, #13a4ec);
    margin-inline: auto;
    margin-block-end: var(--space-2, 0.5rem);
  }

  /* Spacing page */
  .spacing-scale {
    display: flex;
    flex-direction: column;
    gap: var(--space-2, 0.5rem);
  }

  .spacing-row {
    display: flex;
    align-items: center;
    gap: var(--space-4, 1rem);
  }

  .spacing-row__label {
    flex: 0 0 220px;
    font-size: var(--text-xs, 0.75rem);
    font-family: ui-monospace, monospace;
    color: var(--color-text-accent, #6366f1);
  }

  .spacing-row__bar {
    block-size: 16px;
    min-inline-size: 2px;
    background: var(--color-primary-500, #13a4ec);
    border-radius: 2px;
  }

  .spacing-row__value {
    font-size: var(--text-xs, 0.75rem);
    color: var(--color-text-secondary, #6b7280);
    white-space: nowrap;
  }

  .spacing-demo-box {
    background: var(--color-primary-50, #f0f9ff);
    border: 1px dashed var(--color-primary-300, #7dd3fc);
    border-radius: var(--radius-md, 0.375rem);
    display: inline-block;
  }

  .spacing-demo-inner {
    background: var(--color-primary-100, #e0f2fe);
    border-radius: var(--radius-sm, 0.25rem);
    font-size: var(--text-sm, 0.875rem);
    color: var(--color-text-secondary);
  }

  .spacing-demo-child {
    background: var(--color-primary-200, #bae6fd);
    padding: var(--space-2, 0.5rem) var(--space-4, 1rem);
    border-radius: var(--radius-sm, 0.25rem);
    font-size: var(--text-sm, 0.875rem);
    font-weight: 500;
  }

  /* Icons page */
  .icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: var(--space-3, 0.75rem);
  }

  .icon-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2, 0.5rem);
    padding: var(--space-4, 1rem) var(--space-2, 0.5rem);
    background: var(--color-bg-card, #f9fafb);
    border: 1px solid var(--color-border-primary, #e5e7eb);
    border-radius: var(--radius-lg, 0.5rem);
    text-align: center;
  }

  .icon-card__preview {
    color: var(--color-text-primary, #1a1a2e);
  }

  .icon-card__name {
    font-size: var(--text-2xs, 0.625rem);
    font-family: ui-monospace, monospace;
    color: var(--color-text-secondary, #6b7280);
    word-break: break-all;
  }

  .icon-sizes-demo {
    display: flex;
    align-items: flex-end;
    gap: var(--space-8, 2rem);
    padding-block: var(--space-4, 1rem);
  }

  .icon-size-example {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2, 0.5rem);
  }

  .icon-colors-demo {
    display: flex;
    gap: var(--space-6, 1.5rem);
    padding-block: var(--space-4, 1rem);
  }

  /* Empty states page */
  .icon-type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4, 1rem);
  }

  .icon-type-card {
    border: 1px solid var(--color-border-primary, #e5e7eb);
    border-radius: var(--radius-lg, 0.5rem);
    overflow: hidden;
  }

  /* Typography page */
  .showcase-item h1,
  .showcase-item h2,
  .showcase-item h3,
  .showcase-item h4,
  .showcase-item h5,
  .showcase-item h6,
  .showcase-item p {
    margin-block-end: 0;
  }

  .scale-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-4, 1rem);
  }

  .scale-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1, 0.25rem);
  }

  .weights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4, 1rem);
  }

  .weights-grid .showcase-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1, 0.25rem);
  }

  .weights-grid .showcase-label {
    order: 2;
  }

  .colors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4, 1rem);
  }

  .inverse-bg {
    background: var(--color-text-primary, #1a1a2e);
  }

  .inverse-bg .showcase-label {
    color: var(--color-primary-200, #a5b4fc);
  }

  .line-height-demo {
    max-inline-size: 400px;
    background: linear-gradient(to bottom, transparent 50%, rgba(99, 102, 241, 0.1) 50%);
    background-size: 100% 2em;
  }

  .utilities-grid .showcase-item p {
    margin-block-end: var(--space-1, 0.25rem);
  }

  /* Buttons page */
  .button-demo {
    padding-block: var(--space-4, 1rem);
  }

  .button-demo-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3, 0.75rem);
    align-items: center;
  }

  /* Cards page */
  .showcase-grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6, 1.5rem);
  }

  .card-demo {
    padding-block: var(--space-4, 1rem);
  }

  /* Form inputs page */
  .input-demo {
    padding-block: var(--space-4, 1rem);
    min-inline-size: 0;
  }

  .input-demo-form {
    background: var(--color-bg-tertiary);
    padding: var(--space-6, 1.5rem);
    border-radius: var(--radius-lg, 0.5rem);
  }

  .input-demo-card {
    background: var(--color-bg-card);
    padding: var(--space-6, 1.5rem);
    border-radius: var(--radius-lg, 0.5rem);
    border: 1px solid var(--color-border-primary);
  }

  /* Prevent form inputs from overflowing showcase containers */
  .showcase-item .form-row {
    min-inline-size: 0;
  }

  .showcase-item .form-field {
    min-inline-size: 0;
  }

  .showcase-item .form-input-group .form-input {
    min-inline-size: 0;
  }

  /* Loading states page */
  .spinner-demo-row {
    display: flex;
    align-items: flex-end;
    gap: var(--space-8, 2rem);
    padding-block: var(--space-4, 1rem);
  }

  .spinner-example {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2, 0.5rem);
  }

  .dark-bg-demo {
    background: var(--color-slate-800, #1e293b);
    border-radius: var(--radius-lg, 0.5rem);
    padding: var(--space-8, 2rem);
    text-align: center;
  }

  /* Dark mode overrides for showcase components */
  html[data-theme="dark"] .spacing-demo-box {
    background: rgba(19, 164, 236, 0.1);
    border-color: rgba(19, 164, 236, 0.3);
  }

  html[data-theme="dark"] .spacing-demo-inner {
    background: rgba(19, 164, 236, 0.15);
  }

  html[data-theme="dark"] .spacing-demo-child {
    background: rgba(19, 164, 236, 0.2);
  }

  @media (prefers-color-scheme: dark) {
    html:not([data-theme]) .spacing-demo-box {
      background: rgba(19, 164, 236, 0.1);
      border-color: rgba(19, 164, 236, 0.3);
    }

    html:not([data-theme]) .spacing-demo-inner {
      background: rgba(19, 164, 236, 0.15);
    }

    html:not([data-theme]) .spacing-demo-child {
      background: rgba(19, 164, 236, 0.2);
    }
  }

  /* Responsive */
  @media (width <= 768px) {
    .ds-showcase {
      padding: var(--space-4, 1rem);
    }

    .ds-nav__inner {
      padding-inline: var(--space-4, 1rem);
    }

    .ds-index-grid {
      grid-template-columns: 1fr;
    }

    .color-grid,
    .semantic-grid,
    .shadow-grid,
    .radius-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .spacing-row__label {
      flex: 0 0 160px;
    }

    .icon-grid {
      grid-template-columns: repeat(3, 1fr);
    }

    .icon-type-grid {
      grid-template-columns: 1fr;
    }

    .scale-grid,
    .weights-grid,
    .colors-grid {
      grid-template-columns: 1fr;
    }

    .showcase-grid-2col {
      grid-template-columns: 1fr;
    }

    .button-demo-row {
      flex-direction: column;
      align-items: flex-start;
    }
  }
} /* @layer components */