.b20-data {
  --border-color: var(--border);
  --surface-muted: var(--surface-2);
  --text-muted: var(--muted);
  display: grid;
  gap: 1.15rem;
  min-width: 0;
  max-width: 100%;
}

.b20-data > * {
  min-width: 0;
  max-width: 100%;
}

.b20-data > header {
  display: grid;
  gap: .35rem;
}

.b20-data > header h2,
.b20-data > header p {
  margin: 0;
}

.b20-data-kicker {
  color: var(--primary, #2563eb);
  font-size: .78rem;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.b20-data-grid {
  align-items: start;
  display: grid;
  gap: .9rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.b20-data-grid > * {
  min-width: 0;
}

.b20-data-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.b20-data label,
.b20-data fieldset {
  display: grid;
  gap: .45rem;
}

.b20-data label {
  margin: 0;
}

.b20-data fieldset {
  border: 1px solid var(--border-color, #dbe3ef);
  border-radius: .8rem;
  padding: .8rem 1rem;
}

.b20-data fieldset label {
  align-items: center;
  display: flex;
  gap: .6rem;
  min-height: 36px;
}

.b20-data input:not([type="checkbox"]):not([type="radio"]),
.b20-data select,
.b20-data textarea {
  box-sizing: border-box;
  max-width: 100%;
  width: 100%;
}

.b20-data input[type="checkbox"],
.b20-data input[type="radio"] {
  flex: 0 0 18px;
  width: 18px;
  min-width: 18px;
  height: 18px;
  min-height: 18px;
  margin: 0;
  padding: 0;
  accent-color: var(--primary);
}

.b20-data textarea,
.b20-data-output {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.b20-data-actions,
.b20-data-summary {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}

.b20-data-actions .secondary-btn:disabled {
  display: none;
}

.b20-data-summary {
  background: color-mix(in srgb, var(--primary, #2563eb) 8%, transparent);
  border-radius: .8rem;
  padding: .8rem 1rem;
}

.b20-data-preview {
  border: 1px solid var(--border-color, #dbe3ef);
  border-radius: .8rem;
  margin-top: .85rem;
  max-height: 28rem;
  min-width: 0;
  overflow: auto;
  width: 100%;
}

.b20-data-preview table {
  border-collapse: collapse;
  font-size: .88rem;
  min-width: 100%;
  white-space: nowrap;
}

.b20-data-preview th,
.b20-data-preview td {
  border-bottom: 1px solid var(--border-color, #e5e7eb);
  padding: .55rem .7rem;
  text-align: left;
}

.b20-data-preview th {
  background: var(--surface-muted, #f8fafc);
  position: sticky;
  top: 0;
}

.b20-data-output {
  background: var(--surface-muted, #f8fafc);
  border: 1px solid var(--border-color, #dbe3ef);
  border-radius: .8rem;
  margin: 0;
  max-height: 32rem;
  min-height: 9rem;
  overflow: auto;
  padding: 1rem;
  white-space: pre-wrap;
}

.b20-data-note,
.b20-data-status {
  color: var(--text-muted, #64748b);
  margin: .55rem 0 0;
}

.b20-data-status[data-tone="error"] {
  color: var(--danger, #b91c1c);
}

.b20-data-status[data-tone="success"] {
  color: var(--success, #047857);
}

@media (max-width: 760px) {
  .b20-data-grid,
  .b20-data-grid.three {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .b20-data-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .b20-data-actions > button {
    width: 100%;
  }

  .b20-data-actions:not(:has(> .secondary-btn:not(:disabled))) > .primary-btn:first-child,
  .b20-data-actions:has(> .secondary-btn:not(:disabled) ~ .secondary-btn:not(:disabled)) > .primary-btn:first-child {
    grid-column: 1 / -1;
  }
}