/**
 * Badge and pill primitives
 * Status badges, labels, tags with various color variants
 */
@layer ks-primitives {
  .ks-pill,
  .ks-badge {
    display: inline-flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: var(--ks-space-2);
    border-radius: var(--ks-radius-full);
    border: var(--ks-border-width) solid transparent;
    font-weight: var(--ks-font-weight-strong);
    white-space: nowrap;
  }

  .ks-pill {
    padding-inline: var(--ks-space-4);
    padding-block: var(--ks-space-2);
    background-color: var(--ks-color-primary-50);
    color: var(--ks-color-primary-800);
  }
  .ks-pill--active {
    background-color: var(--ks-color-primary-600);
    color: var(--ks-color-white);
  }
  :where(.dark) .ks-pill--active { background-color: var(--ks-color-primary-500); }
  .ks-pill:not(.ks-pill--active):hover { background-color: var(--ks-color-gray-200); }
  :where(.dark) .ks-pill:not(.ks-pill--active) {
    background-color: var(--ks-color-gray-700);
    color: var(--ks-color-gray-300);
  }
  :where(.dark) .ks-pill:not(.ks-pill--active):hover { background-color: var(--ks-color-gray-600); }

  .ks-badge {
    padding-inline: var(--ks-space-3);
    padding-block: 0.375rem;
    background-color: var(--ks-color-surface-section);
    color: var(--ks-color-text-muted);
  }

  /* Tag: small neutral chip for taxonomy/keyword links */
  .ks-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--ks-space-1);
    padding-inline: var(--ks-space-3);
    padding-block: var(--ks-space-1);
    border-radius: var(--ks-radius-sm);
    font-size: 0.875rem;
    background-color: var(--ks-color-gray-200);
    color: var(--ks-color-text-muted);
  }

  .ks-tag--interactive {
    transition: all var(--ks-duration-base) var(--ks-ease-standard);
  }
  .ks-tag--interactive:hover {
    background-color: var(--ks-color-gray-300);
    color: var(--ks-color-text-strong);
  }
  :where(.dark) .ks-tag {
    background: var(--ks-color-gray-800);
    color: var(--ks-color-gray-300);
  }
  :where(.dark) .ks-tag--interactive:hover {
    background: var(--ks-color-gray-700);
    color: var(--ks-color-white);
  }

  /* Size variants */
  .ks-badge--sm {
    font-size: 0.75rem;
    padding-inline: 0.625rem;
    padding-block: var(--ks-space-1);
  }

  .ks-badge--md {
    font-size: 0.875rem;
  }

  .ks-badge--lg {
    font-size: 1rem;
    padding-inline: var(--ks-space-4);
    padding-block: var(--ks-space-2);
  }

  /* Color variants */
  .ks-badge-default,
  .ks-badge-gray {
    background-color: var(--ks-color-surface-section);
    color: var(--ks-color-text-default);
    border-color: var(--ks-color-border-subtle);
  }

  .ks-badge-muted {
    background-color: var(--ks-color-gray-500);
    color: var(--ks-color-text-inverse);
  }

  .ks-badge-primary,
  .ks-badge-info {
    background-color: var(--ks-color-primary-100);
    color: var(--ks-color-primary-800);
  }

  .ks-badge-secondary,
  .ks-badge-success,
  .ks-badge-emerald {
    background-color: var(--ks-color-secondary-100);
    color: var(--ks-color-secondary-900);
  }

  .ks-badge-warning,
  .ks-badge-amber {
    background-color: var(--ks-color-tertiary-100);
    color: var(--ks-color-tertiary-900);
  }

  .ks-badge-deal {
    background-color: var(--ks-color-tertiary-300);
    color: var(--ks-color-tertiary-900);
    font-weight: 600;
  }

  :where(.dark) .ks-badge-deal {
    background-color: var(--ks-color-tertiary-900);
    color: var(--ks-color-tertiary-100);
  }

  .ks-badge-error {
    background-color: var(--ks-color-surface-strong);
    color: var(--ks-color-text-inverse);
  }

  .ks-badge-tertiary {
    background-color: var(--ks-color-tertiary-100);
    color: var(--ks-color-tertiary-800);
  }

  .ks-badge-accent {
    background-color: var(--ks-color-accent-100);
    color: var(--ks-color-accent-600);
  }

  /* Outline variants */
  .ks-badge--outline {
    background-color: transparent;
  }

  .ks-badge--outline.ks-badge-default,
  .ks-badge--outline.ks-badge-gray {
    border-color: var(--ks-color-border-default);
    color: var(--ks-color-text-default);
  }

  .ks-badge--outline.ks-badge-primary,
  .ks-badge--outline.ks-badge-info {
    border-color: var(--ks-color-primary-300);
    color: var(--ks-color-primary-700);
  }

  .ks-badge--outline.ks-badge-secondary,
  .ks-badge--outline.ks-badge-success,
  .ks-badge--outline.ks-badge-emerald {
    border-color: var(--ks-color-secondary-300);
    color: var(--ks-color-secondary-800);
  }

  .ks-badge--outline.ks-badge-warning,
  .ks-badge--outline.ks-badge-amber {
    border-color: var(--ks-color-tertiary-300);
    color: var(--ks-color-tertiary-800);
  }

  .ks-badge--outline.ks-badge-error {
    border-color: var(--ks-color-surface-strong);
    color: var(--ks-color-surface-strong);
  }

  /* Soft variants */
  .ks-badge-default--soft {
    background-color: var(--ks-color-gray-100);
    color: var(--ks-color-gray-700);
  }

  :where(.dark) .ks-badge-default--soft {
    background-color: var(--ks-color-gray-800);
    color: var(--ks-color-gray-300);
  }

  .ks-badge-primary--soft {
    background: var(--ks-color-primary-100);
    color: var(--ks-color-primary-800);
  }

  :where(.dark) .ks-badge-primary--soft {
    background: color-mix(in srgb, var(--ks-color-primary-900) 30%, transparent);
    color: var(--ks-color-primary-200);
  }

  /* Special variants */
  .ks-badge-inverse {
    background-color: var(--ks-color-surface-card);
    color: var(--ks-color-text-strong);
  }

  .ks-badge-gradient {
    background: linear-gradient(135deg, var(--ks-color-primary-500), var(--ks-color-secondary-500));
    color: var(--ks-color-text-inverse);
    border: none;
  }

  .ks-badge-white {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--ks-color-text-inverse);
    backdrop-filter: blur(4px);
  }

  :where(.dark) .ks-badge-white {
    background-color: rgba(255, 255, 255, 0.1);
  }

  /* Level badges */
  .ks-badge-level-beginner {
    background-color: var(--ks-color-secondary-100);
    color: var(--ks-color-secondary-800);
  }
  :where(.dark) .ks-badge-level-beginner {
    background-color: var(--ks-color-secondary-900);
    color: var(--ks-color-secondary-200);
  }

  .ks-badge-level-intermediate {
    background-color: var(--ks-color-info-100);
    color: var(--ks-color-info-800);
  }
  :where(.dark) .ks-badge-level-intermediate {
    background-color: var(--ks-color-info-900);
    color: var(--ks-color-info-200);
  }

  .ks-badge-level-advanced {
    background-color: var(--ks-color-primary-100);
    color: var(--ks-color-primary-800);
  }
  :where(.dark) .ks-badge-level-advanced {
    background-color: var(--ks-color-primary-900);
    color: var(--ks-color-primary-200);
  }

  .ks-badge-level-default {
    background-color: var(--ks-color-gray-100);
    color: var(--ks-color-gray-800);
  }
  :where(.dark) .ks-badge-level-default {
    background-color: var(--ks-color-gray-800);
    color: var(--ks-color-gray-200);
  }

  /* Pulsing dot indicator */
  .ks-pulse-dot {
    display: inline-block;
    inline-size: 0.5rem;
    block-size: 0.5rem;
    border-radius: var(--ks-radius-full);
    background-color: var(--ks-color-primary-600);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
  }

  /* Additional badge variants */
  .ks-badge-sm { font-size: 0.75rem; padding-inline: 0.625rem; padding-block: var(--ks-space-1); }
  .ks-badge-dark { background-color: var(--ks-color-surface-strong); color: var(--ks-color-text-inverse); }
  .ks-badge-scrim { background-color: var(--ks-color-overlay-heavy); color: var(--ks-color-text-inverse); }
  .ks-badge-subtle { background-color: var(--ks-color-surface-section); color: var(--ks-color-text-muted); }
  .ks-badge-interactive { cursor: pointer; transition: background-color var(--ks-duration-base); }
  .ks-badge-interactive:hover { background-color: var(--ks-color-primary-200); }
  .ks-badge-overlay { position: absolute; inset-block-start: var(--ks-space-2); inset-inline-end: var(--ks-space-2); }

  .ks-badge-error--soft { background-color: var(--ks-color-danger-100); color: var(--ks-color-danger-800); }
  .ks-badge-info--soft { background-color: var(--ks-color-info-100); color: var(--ks-color-info-800); }
  :where(.dark) .ks-badge-info--soft {
    background: color-mix(in srgb, var(--ks-color-info-500) 20%, transparent);
    color: var(--ks-color-info-300);
  }
  .ks-badge-success--soft { background-color: var(--ks-color-success-100); color: var(--ks-color-success-800); }
  :where(.dark) .ks-badge-success--soft {
    background: color-mix(in srgb, var(--ks-color-success-500) 20%, transparent);
    color: var(--ks-color-success-300);
  }
  .ks-badge-warning--soft { background-color: var(--ks-color-warning-100); color: var(--ks-color-warning-800); }
  .ks-badge-secondary--soft { background-color: var(--ks-color-secondary-100); color: var(--ks-color-secondary-800); }

  .ks-badge-hero--muted { background-color: rgba(255, 255, 255, 0.2); color: var(--ks-color-text-inverse); }
  .ks-badge-hero--success { background-color: var(--ks-color-success-500); color: var(--ks-color-text-inverse); }

  /* Alert styles */
  .ks-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--ks-space-3);
    padding: var(--ks-space-4);
    border-radius: var(--ks-radius-lg);
    background-color: var(--ks-color-info-50);
    border: 1px solid var(--ks-color-info-200);
    color: var(--ks-color-info-800);
  }
  .ks-alert--warning, .ks-alert-warning {
    background-color: var(--ks-color-warning-50);
    border-color: var(--ks-color-warning-200);
    color: var(--ks-color-warning-800);
  }
  .ks-alert--danger {
    background-color: var(--ks-color-danger-50);
    border-color: var(--ks-color-danger-200);
    color: var(--ks-color-danger-800);
  }
}