body.csv-text-page {
  color-scheme: light;
  --csv-text-page: #f4f6f8;
  --csv-text-surface: #ffffff;
  --csv-text-surface-soft: #f6f8fa;
  --csv-text-border: #d0d7de;
  --csv-text-text: #1f2328;
  --csv-text-muted: #57606a;
  --csv-text-accent: #0969da;
  --csv-text-accent-hover: #0757b5;
  --csv-text-success: #1a7f37;
  --csv-text-warning: #9a6700;
  --csv-text-danger: #cf222e;
  --csv-text-notice-text: #0550ae;
  --csv-text-notice-bg: #ddf4ff;
  --csv-text-notice-border: #b6e3ff;
  --csv-text-drop-border: #8c959f;
  --csv-text-on-accent: #ffffff;
  --csv-text-table-heading: #eaeef2;
  --csv-text-focus-ring: rgba(9, 105, 218, 0.24);
  --csv-text-shadow: 0 14px 36px rgba(31, 35, 40, 0.07);
  --csv-text-radius: 12px;
  --csv-text-control-radius: 8px;
  --csv-text-control-height: 39px;
  --csv-text-source-height: 180px;
  --csv-text-data-scroll-height: 420px;
  --csv-text-checkbox-size: 17px;
  min-block-size: 100vh;
  margin: 0;
  color: var(--csv-text-text);
  background: var(--csv-text-page);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* Page frame */
.csv-text-page,
.csv-text-page * {
  box-sizing: border-box;
}

.csv-text-main {
  inline-size: min(1380px, calc(100% - 32px));
  margin-block: 0;
  margin-inline: auto;
  padding-block: 38px;
  padding-inline: 0;
}

.csv-text-page-header {
  margin-block-end: 18px;
}

.csv-text-page-header h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
}

.csv-text-page-header > p {
  margin-block: 8px 0;
  margin-inline: 0;
  color: var(--csv-text-muted);
  line-height: 1.7;
}

.csv-text-page .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-block-end: 12px;
  color: var(--csv-text-muted);
  font-size: 0.9rem;
}

.csv-text-page .breadcrumb a {
  color: var(--csv-text-accent);
  font-weight: 700;
  text-decoration: none;
}

.csv-text-page .breadcrumb a:hover,
.csv-text-page .breadcrumb a:focus-visible {
  text-decoration: underline;
}

/* Panels and headings */
.csv-text-notice,
.csv-text-panel {
  margin-block-end: 16px;
  border: 1px solid var(--csv-text-border);
  border-radius: var(--csv-text-radius);
  background: var(--csv-text-surface);
  box-shadow: var(--csv-text-shadow);
}

.csv-text-notice {
  padding-block: 12px;
  padding-inline: 14px;
  border-color: var(--csv-text-notice-border);
  color: var(--csv-text-notice-text);
  background: var(--csv-text-notice-bg);
  line-height: 1.65;
}

.csv-text-panel {
  padding: 18px;
}

.csv-text-panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-block-end: 14px;
}

.csv-text-panel-title {
  margin: 0;
  font-size: 1.1rem;
}

.csv-text-panel-description {
  margin-block: 6px 0;
  margin-inline: 0;
  color: var(--csv-text-muted);
  line-height: 1.6;
}

/* Source input */
.csv-text-source-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(360px, 1.15fr);
  gap: 16px;
}

.csv-text-drop-zone {
  display: grid;
  min-block-size: var(--csv-text-source-height);
  place-content: center;
  gap: 7px;
  padding: 22px;
  border: 2px dashed var(--csv-text-drop-border);
  border-radius: 10px;
  color: var(--csv-text-muted);
  background: var(--csv-text-surface-soft);
  text-align: center;
  cursor: pointer;
}

.csv-text-drop-zone strong {
  color: var(--csv-text-text);
}

.csv-text-drop-zone.is-dragging {
  border-color: var(--csv-text-accent);
  color: var(--csv-text-accent);
  background: var(--csv-text-notice-bg);
}

.csv-text-selected-file {
  margin-block: 9px 0;
  margin-inline: 0;
  overflow-wrap: anywhere;
  color: var(--csv-text-muted);
  font-size: 0.9rem;
}

.csv-text-field {
  display: grid;
  align-content: start;
  gap: 6px;
  color: var(--csv-text-muted);
  font-weight: 700;
}

/* Form controls and actions */
.csv-text-page :is(button, .csv-text-control) {
  color: var(--csv-text-text);
  font: inherit;
}

.csv-text-page .csv-text-control {
  inline-size: 100%;
  border: 1px solid var(--csv-text-border);
  border-radius: var(--csv-text-control-radius);
  background: var(--csv-text-surface);
}

.csv-text-page .csv-text-control:is(input, select) {
  min-block-size: var(--csv-text-control-height);
  padding-block: 7px;
  padding-inline: 10px;
}

.csv-text-page .csv-text-control:is(textarea) {
  padding-block: 10px;
  padding-inline: 12px;
  font: 13px/1.55 "Cascadia Code", Consolas, monospace;
  resize: vertical;
}

.csv-text-page .csv-text-paste-input {
  block-size: var(--csv-text-source-height);
  min-block-size: var(--csv-text-source-height);
}

.csv-text-page button {
  min-block-size: var(--csv-text-control-height);
  padding-block: 7px;
  padding-inline: 13px;
  border: 1px solid var(--csv-text-border);
  border-radius: var(--csv-text-control-radius);
  color: var(--csv-text-text);
  background: var(--csv-text-surface-soft);
  font-weight: 700;
  cursor: pointer;
}

.csv-text-page button:hover:not(:disabled) {
  border-color: var(--csv-text-accent);
  color: var(--csv-text-accent);
}

.csv-text-page button:disabled,
.csv-text-page .csv-text-control:is(input, select):disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.csv-text-page .csv-text-button--primary {
  border-color: var(--csv-text-accent);
  color: var(--csv-text-on-accent);
  background: var(--csv-text-accent);
}

.csv-text-page .csv-text-button--primary:hover:not(:disabled) {
  border-color: var(--csv-text-accent-hover);
  color: var(--csv-text-on-accent);
  background: var(--csv-text-accent-hover);
}

.csv-text-page :is(button, .csv-text-control, [tabindex]):focus-visible {
  outline: 3px solid var(--csv-text-focus-ring);
  outline-offset: 2px;
}

.csv-text-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.csv-text-actions--end {
  justify-content: flex-end;
  margin-block-start: 12px;
}

.csv-text-settings-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(170px, 1fr));
  gap: 12px;
  margin-block-start: 14px;
}

.csv-text-check-field {
  display: flex;
  align-items: center;
  align-self: end;
  gap: 7px;
  min-block-size: var(--csv-text-control-height);
  padding-block: 8px;
  padding-inline: 10px;
  border: 1px solid var(--csv-text-border);
  border-radius: var(--csv-text-control-radius);
  color: var(--csv-text-muted);
  background: var(--csv-text-surface-soft);
  font-weight: 700;
}

.csv-text-page :is(.csv-text-check-field, .csv-text-column-item) .csv-text-control {
  inline-size: var(--csv-text-checkbox-size);
  block-size: var(--csv-text-checkbox-size);
  min-block-size: 0;
  margin: 0;
  padding: 0;
  accent-color: var(--csv-text-accent);
}

.csv-text-message {
  min-block-size: 24px;
  margin-block: 11px 0;
  margin-inline: 0;
  color: var(--csv-text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.csv-text-message[data-type="success"] {
  color: var(--csv-text-success);
}

.csv-text-message[data-type="warning"] {
  color: var(--csv-text-warning);
}

.csv-text-message[data-type="error"] {
  color: var(--csv-text-danger);
}

/* Parsed data summary and preview */
.csv-text-stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-block: 0 16px;
  margin-inline: 0;
  border-block-start: 1px solid var(--csv-text-border);
  border-inline-start: 1px solid var(--csv-text-border);
}

.csv-text-stats > div {
  min-inline-size: 0;
  padding-block: 10px;
  padding-inline: 12px;
  border-block-end: 1px solid var(--csv-text-border);
  border-inline-end: 1px solid var(--csv-text-border);
}

.csv-text-stats dt {
  color: var(--csv-text-muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.csv-text-stats dd {
  margin-block: 4px 0;
  margin-inline: 0;
  overflow-wrap: anywhere;
}

.csv-text-dataset-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.55fr) minmax(0, 1.45fr);
  gap: 16px;
}

.csv-text-section-title {
  margin-block: 0 9px;
  margin-inline: 0;
  font-size: 1rem;
}

.csv-text-column-list {
  display: grid;
  gap: 7px;
  max-block-size: var(--csv-text-data-scroll-height);
  margin: 0;
  padding: 0;
  overflow: auto;
  list-style: none;
}

.csv-text-column-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-block-size: 42px;
  padding-block: 5px;
  padding-inline: 10px 6px;
  border: 1px solid var(--csv-text-border);
  border-radius: var(--csv-text-control-radius);
  background: var(--csv-text-surface-soft);
}

.csv-text-column-item label {
  display: flex;
  align-items: center;
  gap: 7px;
  min-inline-size: 0;
  overflow-wrap: anywhere;
}

.csv-text-column-item .csv-text-control {
  min-inline-size: var(--csv-text-checkbox-size);
}

.csv-text-column-actions {
  display: flex;
  gap: 4px;
}

.csv-text-column-actions button {
  inline-size: 32px;
  min-block-size: 30px;
  padding: 2px;
}

.csv-text-table-wrap {
  max-block-size: var(--csv-text-data-scroll-height);
  overflow: auto;
  border: 1px solid var(--csv-text-border);
  border-radius: var(--csv-text-control-radius);
}

.csv-text-table-wrap .csv-text-preview-table {
  inline-size: max-content;
  min-inline-size: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9rem;
}

.csv-text-preview-caption,
.csv-text-visually-hidden {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.csv-text-preview-header-cell,
.csv-text-preview-cell {
  max-inline-size: 360px;
  padding-block: 8px;
  padding-inline: 10px;
  overflow: hidden;
  border-block-end: 1px solid var(--csv-text-border);
  border-inline-end: 1px solid var(--csv-text-border);
  text-align: start;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.csv-text-preview-header-cell {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--csv-text-table-heading);
}

.csv-text-preview-row:last-child .csv-text-preview-cell {
  border-block-end: 0;
}

/* Output */
.csv-text-output-settings {
  min-inline-size: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.csv-text-output-settings:disabled {
  opacity: 0.72;
}

.csv-text-output {
  block-size: 300px;
  min-block-size: 300px;
  color: var(--csv-text-text);
  background: var(--csv-text-surface-soft);
}

/* Responsive layout */
@media (max-width: 980px) {
  .csv-text-settings-grid,
  .csv-text-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .csv-text-dataset-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .csv-text-main {
    inline-size: min(100% - 20px, 1380px);
    padding-block: 22px;
    padding-inline: 0;
  }

  .csv-text-panel {
    padding: 14px;
  }

  .csv-text-panel-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .csv-text-source-grid,
  .csv-text-settings-grid,
  .csv-text-stats {
    grid-template-columns: 1fr;
  }

  .csv-text-actions > button {
    flex: 1;
  }
}