@layer modules {
  .touchstone-viewer {
    --touchstone-card-border: color-mix(in srgb, var(--color-link) 20%, var(--color-ink-lightest));
    --touchstone-card-bg: color-mix(in srgb, var(--color-link) 4%, var(--color-canvas));
  }

  .touchstone-viewer > .panel {
    text-align: start;
  }

  .touchstone-viewer__header {
    display: grid;
    gap: var(--block-space-half);
    margin-block-end: var(--block-space);
  }

  .touchstone-viewer__controls {
    display: grid;
    gap: var(--block-space);
  }

  .touchstone-viewer__axis-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--inline-space);
  }

  .touchstone-viewer__axis-label {
    align-items: center;
    column-gap: var(--inline-space-half);
    display: grid;
    font-size: var(--text-small);
    row-gap: 0.35rem;
  }

  .touchstone-viewer__axis-input {
    inline-size: min(16ch, 100%);
    min-inline-size: 10ch;
  }

  .touchstone-viewer__axis-actions {
    margin-inline-start: auto;
  }

  .touchstone-viewer__meta {
    display: grid;
    gap: 0.2rem;
  }

  .touchstone-viewer__file-list {
    display: grid;
    gap: 0.35rem;
    max-block-size: 9rem;
    overflow-y: auto;
    padding: 0;
  }

  .touchstone-viewer__file-item {
    align-items: center;
    background-color: color-mix(in srgb, var(--touchstone-card-bg) 92%, var(--color-canvas));
    border: 1px solid color-mix(in srgb, var(--touchstone-card-border) 70%, transparent);
    border-radius: 0.5rem;
    display: flex;
    font-size: var(--text-x-small);
    gap: var(--inline-space-half);
    justify-content: space-between;
    padding: 0.3rem 0.55rem;
  }

  .touchstone-viewer__file-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .touchstone-viewer__file-points {
    color: var(--color-ink-dark);
    white-space: nowrap;
  }

  .touchstone-viewer__file-item--error {
    border-color: color-mix(in srgb, var(--color-negative) 40%, transparent);
    color: var(--color-negative);
  }

  .touchstone-viewer__empty {
    --panel-padding: var(--block-space);

    display: grid;
    gap: 0.35rem;
  }

  .touchstone-viewer__plot-grid {
    display: grid;
    gap: var(--inline-space);
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .touchstone-viewer__chart-card {
    background-color: var(--touchstone-card-bg);
    border: 1px solid var(--touchstone-card-border);
    border-radius: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: var(--inline-space-half);
    min-inline-size: 0;
    padding: 0.7rem;
    transition: border-color 200ms ease, box-shadow 200ms ease;
  }

  .touchstone-viewer__chart-card--expanded {
    border-color: color-mix(in srgb, var(--color-link) 50%, var(--color-ink-light));
    box-shadow: var(--shadow);
    grid-column: 1 / -1;
  }

  .touchstone-viewer__chart-header {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: var(--inline-space-half);
    justify-content: space-between;
  }

  .touchstone-viewer__chart-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
  }

  .touchstone-viewer__chart-actions .btn {
    --btn-padding: 0.25rem 0.55rem;

    font-size: var(--text-xx-small);
  }

  .touchstone-viewer__plot {
    block-size: 20rem;
    inline-size: 100%;
    min-inline-size: 0;
  }

  .touchstone-viewer__chart-card--expanded .touchstone-viewer__plot {
    block-size: 33rem;
  }

  @media (max-width: 900px) {
    .touchstone-viewer__plot-grid {
      grid-template-columns: 1fr;
    }

    .touchstone-viewer__axis-actions {
      margin-inline-start: 0;
    }

    .touchstone-viewer__chart-card--expanded .touchstone-viewer__plot {
      block-size: 24rem;
    }
  }
}