.zb-customer-list {
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 6px;
  max-height: 160px;
  overflow-y: auto;
  background: var(--surface, #fff);
  padding: .25rem 0;
}

.zb-cust-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem .75rem;
  cursor: pointer;
  font-size: .875rem;
  transition: background .1s;
  user-select: none;
}

.zb-cust-item:hover {
  background: var(--hover, #f8fafc);
}

.zb-cust-item input[type="checkbox"] {
  flex-shrink: 0;
  accent-color: var(--primary, #00b0ff);
  width: 14px;
  height: 14px;
  cursor: pointer;
}

.zb-period-card {
  margin-bottom: 1.5rem;
}

.zb-config-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.zb-action-row,
.zb-preview-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}

.zb-action-row {
  margin-bottom: 2rem;
}

.zb-preview-actions {
  padding: 1rem 1rem .5rem;
}

.zb-remove-btn {
  color: var(--red, #ef4444);
  border-color: rgba(239, 68, 68, .4);
  padding: .25rem .6rem;
}

.zb-label-hint {
  color: var(--text-secondary, #94a3b8);
  font-weight: 400;
  margin-left: .25rem;
}

.zb-billable-group {
  flex: 0 0 auto;
  justify-content: flex-end;
}

.zb-billable-label,
.zb-weekday-label {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.zb-billable-label {
  gap: .5rem;
  margin-top: 1.6rem;
}

.zb-toggle {
  margin: 0;
}

.zb-weekday-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: .5rem;
}

.zb-weekday-label {
  gap: .3rem;
  font-size: .875rem;
}

.zb-result-card {
  padding: 1.5rem;
}

.zb-result-error {
  padding: 1rem;
  border-left: 4px solid var(--red, #ef4444);
}

.zb-result-success {
  border-left: 4px solid var(--green, #22c55e);
}

.zb-warning-note {
  color: var(--orange, #f59e0b);
  font-size: .82rem;
  margin-top: .75rem;
}