body[data-tool="csv-excel"] {
  --border_color: var(--color-border);
  --header_background: var(--color-bg);
  --header_color: var(--color-text);
  --header_background_highlighted: var(--color-accent-soft);
  --header_color_highlighted: var(--color-text);
  --content_background: var(--color-input);
  --content_color: var(--color-text);
  --content_background_highlighted: var(--color-accent-soft);
  --content_color_highlighted: var(--color-text);
  --selection: var(--color-accent-soft);
  --border_color_highlighted: var(--color-accent);
  --cursor: var(--color-accent-soft);
  --menu_background: var(--color-surface);
  --menu_color: var(--color-text);
  --menu_background_highlighted: var(--color-accent-soft);
  --menu_color_highlighted: var(--color-text);
  --menu_box_shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.workspace .page-header,
.workspace .page-body {
  max-width: none;
}

.csv-layout {
  display: grid;
  grid-template-columns: minmax(280px, 2fr) minmax(0, 3fr);
  gap: var(--space-4);
  align-items: stretch;
  height: calc(100vh - 196px);
  min-height: 560px;
}

.csv-layout > .panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: 100%;
  margin-top: 0;
}

.csv-source .drop-zone {
  flex: none;
}

.csv-source .csv-options {
  flex: none;
  margin-top: var(--space-3);
  margin-bottom: var(--space-2);
}

.csv-source .csv-options .field,
.csv-source .csv-options select {
  min-width: 0;
  width: 100%;
  max-width: 240px;
}

.csv-source .detected {
  flex: none;
}

.csv-source .msg {
  flex: none;
  margin-bottom: 0;
}

.csv-preview .panel-head {
  flex: none;
}

.csv-sheet {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.csv-sheet .jss_spreadsheet,
.csv-sheet .jss_container,
.csv-sheet .jss_content {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.csv-sheet .jss_container {
  display: block;
}

.csv-sheet .jss_worksheet {
  background-color: var(--color-input);
  border-right-color: var(--color-border);
  border-bottom-color: var(--color-border);
}

.csv-sheet .jss_content {
  background: var(--color-surface);
}

.drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 36px 24px 28px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  text-align: center;
  cursor: pointer;
}

.drop-zone:hover,
.drop-zone.is-drop {
  border-color: var(--color-accent);
}

.drop-zone.is-drop {
  background: var(--color-accent-soft);
}

.drop-halo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 76px;
  height: 76px;
  margin-bottom: 4px;
  border-radius: 50%;
  background: var(--color-accent-soft);
}

.drop-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-accent);
}

.drop-title {
  margin: 0;
  max-width: 100%;
  color: var(--color-text);
  font-size: 18px;
  font-weight: 700;
  word-break: break-word;
}

.drop-hint,
.drop-or {
  margin: 0;
  color: var(--color-muted);
}

.drop-hint {
  max-width: 460px;
  font-size: 14px;
  line-height: 1.45;
}

.drop-or {
  font-size: 13px;
}

.drop-zone .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}

.actions .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.csv-options {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.csv-options .field {
  min-width: 220px;
}

.csv-options .check {
  margin-bottom: 10px;
}

.csv-options select {
  width: 220px;
}

.detected {
  margin: 0 0 var(--space-3);
  color: var(--color-muted);
  font-size: 13px;
}

.detected:empty {
  display: none;
}

#csv {
  flex: 1;
  height: auto;
  min-height: 140px;
  white-space: pre;
}

@media (max-height: 860px) and (min-width: 801px) {
  .csv-layout {
    height: calc(100vh - 196px);
    min-height: 0;
    align-items: stretch;
  }

  .csv-layout > .panel {
    height: 100%;
    min-height: 0;
    overflow: hidden;
  }

  .csv-source .drop-zone {
    padding: 16px 16px 12px;
    gap: 6px;
  }

  .csv-source .drop-halo {
    width: 52px;
    height: 52px;
    margin-bottom: 0;
  }

  .csv-source .drop-badge {
    width: 36px;
    height: 36px;
  }

  .csv-source .drop-badge svg {
    width: 20px;
    height: 20px;
  }

  #csv {
    flex: 1;
    height: auto;
    min-height: 0;
  }

  .csv-sheet {
    flex: 1 1 auto;
    height: auto;
    min-height: 0;
    overflow: hidden;
  }
}

@media (max-width: 800px) {
  .csv-layout {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 0;
  }

  .csv-layout > .panel {
    height: auto;
  }

  #csv {
    height: 220px;
    flex: none;
  }

  .csv-sheet {
    height: 520px;
    flex: none;
  }
}