/* Preview Component */
@layer components {
  .preview-container {
    margin: var(--space-12) auto;
    padding: var(--space-10);
    display: none;
    animation: fade-in-up var(--duration-500) var(--ease-spring);
    min-height: auto;
    height: auto;
    position: relative;
    z-index: 1;
    grid-column: 1 / -1;
    max-width: 800px;

    /* Performance optimizations */
    content-visibility: auto;
    contain: layout paint style;
  }

  .preview-container.show {
    display: block;
  }

  .preview-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-6);
  }

  .preview-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
  }

  .preview-icon {
    margin-right: var(--space-2);
  }

  .btn-clear {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--border-radius-sm);
    transition: all var(--duration-200) var(--ease-out);
  }

  .btn-clear:hover {
    color: var(--color-text-primary);
    background: var(--color-surface-hover);
  }

  .preview-image-container {
    position: relative;
    margin-bottom: var(--space-6);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background: var(--color-surface);
    box-shadow: var(--shadow-lg);
  }

  .preview-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: var(--border-radius-md);
    margin: 0 auto;
    display: block;
    object-fit: contain;
  }

  .image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
  }

  .scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    animation: scan 2s linear infinite;
  }

  @keyframes scan {
    0% { transform: translateY(0); }
    100% { transform: translateY(100%); }
  }

  .preview-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-surface);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--space-6);
  }

  .preview-meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .preview-meta-label {
    color: var(--color-text-muted);
    font-size: 0.875rem;
  }

  .preview-meta-value {
    color: var(--color-text-primary);
    font-weight: 600;
  }

  /* Mobile preview optimizations */
  @media (width <= 768px) {
    .preview-container {
      margin-top: var(--space-6);
      padding: var(--space-6);
    }

    .preview-image {
      max-height: 300px;
      object-fit: contain;
    }

    .preview-meta {
      grid-template-columns: 1fr;
    }
  }
}