@layer components {
  .table-shell {
    background: var(--color-canvas);
    border: 1px solid var(--color-ink-lighter);
    border-radius: 1em;
    box-shadow: var(--shadow);
    inline-size: 100%;
    max-inline-size: 100%;
    max-block-size: calc(100vh - 300px);
    overflow: auto;
  }

  .table-shell--modal {
    max-block-size: 60vh;
  }

  #design-table-section {
    max-block-size: none;
  }

  .data-table {
    --data-table-cell-padding: 0.7rem 1rem;
    --data-table-header-padding: 0.9rem 1rem;
    --data-table-header-bg: linear-gradient(
      180deg,
      color-mix(in srgb, var(--color-ink-lightest) 80%, var(--color-canvas)) 0%,
      var(--color-canvas) 100%
    );
    --data-table-row-odd: color-mix(in srgb, var(--color-ink-lightest) 70%, var(--color-canvas));
    --data-table-row-even: color-mix(in srgb, var(--color-ink-lightest) 45%, var(--color-canvas));
    --data-table-row-hover: var(--color-selected-light);

    inline-size: 100%;
    min-inline-size: 100%;
    table-layout: fixed;
    border-collapse: separate;
    border-spacing: 0;
  }

  .data-table--compact {
    --data-table-cell-padding: 0.55rem 0.75rem;
    --data-table-header-padding: 0.6rem 0.75rem;
  }

  .data-table--library {
    --data-table-cell-padding: 0.45rem 0.6rem;
    --data-table-header-padding: 0.55rem 0.6rem;

    table-layout: auto;
  }

  .data-table thead {
    background: var(--data-table-header-bg);
  }

  .data-table thead th {
    position: sticky;
    top: 0;
    z-index: 1;
  }

  .data-table__th {
    background: var(--data-table-header-bg);
    border-bottom: 1px solid var(--color-ink-light);
    border-right: 1px solid var(--color-ink-lightest);
    color: var(--color-ink-dark);
    font-size: var(--text-xx-small);
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: var(--data-table-header-padding);
    text-align: center;
    text-transform: uppercase;
    white-space: nowrap;
  }

  .data-table__th:last-child {
    border-right: 0;
  }

  .data-table__th--icon {
    inline-size: 7rem;
  }

  .data-table__th--name {
    min-inline-size: 12ch;
    text-align: left;
  }

  .data-table__th--param {
    min-inline-size: 8ch;
  }

  .data-table--design .data-table__th--param {
    min-inline-size: 11ch;
  }

  .data-table__th--action {
    inline-size: 12rem;
  }

  .data-table--library .data-table__th--name,
  .data-table--library .data-table__th--param {
    min-inline-size: 0;
  }

  .data-table--library .data-table__th--icon {
    inline-size: 4.5rem;
  }

  .data-table--library .data-table__th--action {
    inline-size: auto;
    min-inline-size: 0;
    white-space: nowrap;
    width: 1%;
  }

  .data-table__row {
    transition: background-color 150ms ease, transform 150ms ease;
  }

  .data-table__row:nth-child(odd) {
    background: var(--data-table-row-odd);
  }

  .data-table__row:nth-child(even) {
    background: var(--data-table-row-even);
  }

  .data-table__row:hover {
    background: var(--data-table-row-hover);
  }

  .data-table__row--form {
    background: var(--color-selected-light);
  }

  .data-table__cell {
    border-bottom: 1px solid var(--color-ink-lightest);
    border-right: 1px solid var(--color-ink-lightest);
    font-size: var(--text-small);
    padding: var(--data-table-cell-padding);
    text-align: center;
    vertical-align: middle;
  }

  .data-table__cell:last-child {
    border-right: 0;
  }

  .data-table__cell--icon {
    padding: 0.5rem;
    text-align: center;
    vertical-align: middle;
  }

  .data-table__cell--icon img {
    block-size: 2.65em;
    inline-size: 2.65em;
    object-fit: contain;
    filter: drop-shadow(0 0 8px color-mix(in srgb, var(--color-link) 20%, transparent));
    transition: transform 150ms ease;
    vertical-align: middle;
  }

  .data-table__row:hover .data-table__cell--icon img {
    transform: scale(1.1);
  }

  .data-table__cell--name {
    color: var(--color-ink);
    font-weight: 600;
    padding-inline-start: 1.2rem;
    text-align: left;
  }

  .data-table__cell--metric {
    color: var(--color-link);
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    letter-spacing: 0.02em;
  }

  .data-table__cell--action {
    text-align: center;
  }

  .data-table__actions {
    align-items: center;
    display: inline-flex;
    flex-wrap: wrap;
    gap: var(--inline-space-half);
    justify-content: center;
  }

  .data-table--library .data-table__actions {
    flex-wrap: nowrap;
  }

  .data-table--library .data-table__actions .btn {
    --btn-padding: 0.35em 0.65em;

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

  .data-table--library .data-table__cell--icon img {
    block-size: 1.75rem;
    inline-size: 1.75rem;
  }

  .data-table--library .data-table__cell--name {
    max-inline-size: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .data-table__value {
    color: var(--color-link);
    font-weight: 600;
  }

  .data-table__value-stack {
    align-items: center;
    display: inline-flex;
    gap: 0.35rem;
    justify-content: center;
  }

  .data-table__value-source {
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--color-ink-light) 70%, transparent);
    color: var(--color-ink-dark);
    font-size: var(--text-xx-small);
    font-weight: 700;
    letter-spacing: 0.06em;
    line-height: 1;
    padding: 0.2rem 0.45rem;
    text-transform: uppercase;
  }

  .data-table__value-source--touchstone {
    background: color-mix(in srgb, var(--color-link) 14%, var(--color-canvas));
    border-color: color-mix(in srgb, var(--color-link) 30%, var(--color-ink-light));
    color: color-mix(in srgb, var(--color-link) 70%, var(--color-ink-dark));
  }

  .data-table__value-source--model {
    background: color-mix(in srgb, var(--color-selected) 22%, var(--color-canvas));
    border-color: color-mix(in srgb, var(--color-selected) 40%, var(--color-ink-light));
    color: color-mix(in srgb, var(--color-ink-dark) 80%, var(--color-selected));
  }

  .data-table__value--cumulative {
    color: var(--color-ink);
    font-weight: 700;
  }

  .data-table__value-separator {
    color: var(--color-ink-medium);
    margin-inline: 0.25ch;
  }

  .data-table__input-parameters {
    background: color-mix(in srgb, var(--color-ink-lightest) 75%, var(--color-canvas));
    border-bottom: 1px solid var(--color-ink-light);
  }

  .data-table__param-row {
    background: color-mix(in srgb, var(--color-ink-lightest) 60%, var(--color-canvas));
  }

  .data-table__param-label {
    color: var(--color-ink-dark);
    font-size: var(--text-x-small);
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 0.6rem 1rem;
    text-align: left;
    text-transform: uppercase;
  }

  .data-table__param-value {
    padding: 0.4rem 1rem;
  }

  .data-table__param-unit {
    color: var(--color-ink-dark);
    font-weight: 600;
    padding: 0.4rem 1rem;
    text-align: center;
  }

  .data-table__unit {
    font-size: var(--text-x-small);
    text-transform: uppercase;
  }

  .data-table__spacer td {
    background: transparent;
    border: 0;
    padding: 0;
  }

  .data-table__spacer td::before {
    block-size: var(--block-space);
    content: "";
    display: block;
  }

  .design-controls {
    background: color-mix(in srgb, var(--color-ink-lightest) 40%, var(--color-canvas));
    border-bottom: 1px solid var(--color-ink-light);
    padding: 1rem;
  }

  .design-controls__group {
    display: grid;
    gap: 0.75rem;
  }

  .design-controls__group--targets {
    border-top: 1px solid var(--color-ink-lightest);
    margin-top: 0.5rem;
    padding-top: 0.9rem;
  }

  .design-controls__header {
    align-items: baseline;
    display: flex;
    gap: 0.75rem;
    justify-content: space-between;
  }

  .design-controls__eyebrow {
    color: var(--color-ink-dark);
    font-size: var(--text-xx-small);
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .design-controls__fields {
    display: grid;
    gap: 0.85rem;
    grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  }

  .design-controls__field {
    min-inline-size: 0;
  }

  .design-controls__label {
    color: var(--color-ink-dark);
    align-items: baseline;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    font-size: var(--text-xx-small);
    font-weight: 700;
    letter-spacing: 0.08em;
    margin-bottom: 0.35rem;
    text-transform: uppercase;
  }

  .design-controls__input-wrap {
    display: block;
  }

  .design-controls__unit {
    color: var(--color-ink-medium);
    font-size: var(--text-xx-small);
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: none;
  }

  .design-controls__unit::before {
    content: "(";
  }

  .design-controls__unit::after {
    content: ")";
  }

  .design-controls__details {
    margin-top: 0.9rem;
  }

  .design-controls__summary {
    align-items: center;
    cursor: pointer;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    list-style: none;
  }

  .design-controls__summary::-webkit-details-marker {
    display: none;
  }

  .design-controls__summary::before {
    color: var(--color-ink-medium);
    content: ">";
    font-size: var(--text-xx-small);
    font-weight: 700;
    transition: transform 150ms ease;
  }

  .design-controls__details[open] > .design-controls__summary::before {
    transform: rotate(90deg);
  }

  .design-controls__summary-copy {
    color: var(--color-ink-medium);
    font-size: var(--text-x-small);
  }

  .design-controls__chips {
    align-items: center;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .design-controls__chip,
  .design-controls__hint {
    border-radius: 999px;
    font-size: var(--text-xx-small);
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 0.35rem 0.6rem;
  }

  .design-controls__chip {
    background: color-mix(in srgb, var(--color-link) 10%, var(--color-canvas));
    border: 1px solid color-mix(in srgb, var(--color-link) 22%, var(--color-ink-light));
    color: color-mix(in srgb, var(--color-link) 70%, var(--color-ink-dark));
  }

  .design-controls__hint {
    background: color-mix(in srgb, var(--color-canvas) 50%, var(--color-ink-lightest));
    border: 1px dashed var(--color-ink-light);
    color: var(--color-ink-medium);
  }

  @media (max-width: 768px) {
    .design-controls {
      padding: 0.85rem;
    }

    .design-controls__fields {
      grid-template-columns: 1fr;
    }
  }

  /* Output summary row */
  .data-table__row--output {
    background: color-mix(in srgb, var(--color-ink-lightest) 90%, var(--color-canvas));
    border-top: 2px solid var(--color-ink-light);
    font-weight: 700;
  }

  .data-table__row--output:hover {
    background: color-mix(in srgb, var(--color-ink-lightest) 90%, var(--color-canvas));
  }

  /* Target pass/fail cell coloring */
  .data-table__cell--target-pass {
    background: color-mix(in srgb, #22c55e 15%, transparent);
    color: color-mix(in srgb, #16a34a 80%, var(--color-ink));
  }

  .data-table__cell--target-fail {
    background: color-mix(in srgb, #ef4444 15%, transparent);
    color: color-mix(in srgb, #dc2626 80%, var(--color-ink));
  }

  .data-table__value--warning {
    color: var(--color-warning, #e67e22);
    font-weight: 600;
  }

  .data-table__value--danger {
    color: var(--color-danger, #e74c3c);
    font-weight: 700;
  }

  .data-table__cell--target-neutral {
    /* No special styling - inherit default */
  }

  /* Grouped column headers */
  .data-table__th--group {
    background: var(--data-table-header-bg);
    border-bottom: 1px solid var(--color-ink-light);
    font-size: var(--text-xxx-small);
    font-weight: 600;
    letter-spacing: 0.08em;
    padding: 0.4rem 0.5rem;
    text-transform: uppercase;
  }

  .data-table__header-group + tr > .data-table__th {
    top: var(--data-table-group-header-height, 1.8rem);
  }

  /* Column visibility hiding rules */
  .data-table--hide-icon [data-col-group="icon"],
  .data-table--hide-block-params [data-col-group="block-params"],
  .data-table--hide-cumulative [data-col-group="cumulative"],
  .data-table--hide-signal [data-col-group="signal"],
  .data-table--hide-damage [data-col-group="damage"],
  .data-table--hide-noise [data-col-group="noise"],
  .data-table--hide-snr [data-col-group="snr"],
  .data-table--hide-action [data-col-group="action"] {
    display: none;
  }

  /* Column visibility dropdown menu */
  .column-visibility {
    position: relative;
  }

  .column-menu {
    background: var(--color-canvas);
    border: 1px solid var(--color-ink-lighter);
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    min-inline-size: 14rem;
    padding: 0.5rem;
    position: absolute;
    right: 0;
    top: 100%;
    z-index: 10;
  }

  .column-menu__item {
    align-items: center;
    border-radius: 0.35rem;
    cursor: pointer;
    display: flex;
    font-size: var(--text-small);
    gap: 0.5rem;
    padding: 0.4rem 0.6rem;
    transition: background-color 100ms ease;
  }

  .column-menu__item:hover {
    background: var(--color-selected-light);
  }

  .column-menu__item input[type="checkbox"] {
    accent-color: var(--color-link);
    cursor: pointer;
    flex-shrink: 0;
    height: 1rem;
    width: 1rem;
  }
}

/* Cascade Sparklines */
.sparklines-row {
  border-top: 2px solid var(--color-border, #e5e7eb);
}

.sparklines-cell {
  padding: 0 !important;
}

.sparklines-details {
  border-top: 1px solid var(--color-border, #e5e7eb);
}

.sparklines-summary {
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary, #666);
  user-select: none;
  list-style: none;
}

.sparklines-summary::-webkit-details-marker {
  display: none;
}

.sparklines-summary::before {
  content: "▶ ";
  font-size: 0.65rem;
  transition: transform 0.15s;
  display: inline-block;
}

.sparklines-details[open] > .sparklines-summary::before {
  content: "▼ ";
}

.sparklines-container {
  padding: 0.75rem 1rem 1rem;
  overflow-x: auto;
}

.sparklines-container svg.sparklines {
  width: 100%;
  max-width: 1000px;
  height: auto;
  min-height: 80px;
}