.step-col-mapping-v2__section{margin-bottom:var(--space-6)}.step-col-mapping-v2__section-title{font-weight:700;font-size:var(--font-size-md,1rem);margin-bottom:var(--space-1)}.step-col-mapping-v2__section-subtitle{font-size:var(--font-size-xs);color:var(--color-text-secondary,#555);margin-bottom:var(--space-5)}.step-col-mapping-v2__upload-table{margin-bottom:var(--space-4)}.step-col-mapping-v2__upload-table th{font-weight:600;white-space:nowrap}.step-col-mapping-v2__upload-table td{vertical-align:middle}.step-col-mapping-v2__upload-table .v-text-field{max-width:16rem}.step-col-mapping-v2__mapping-table-wrapper{overflow-x:auto;max-width:100%;border:var(--border-sm) solid var(--grey-300,#ccc);border-radius:var(--radius-4,4px)}.step-col-mapping-v2__mapping-table{min-width:100%;border-collapse:separate;border-spacing:0}.step-col-mapping-v2__mapping-table td,.step-col-mapping-v2__mapping-table th{white-space:nowrap;vertical-align:middle;padding:var(--space-1) var(--space-2)}.step-col-mapping-v2__mapping-table thead th{background-color:var(--grey-100,#f5f5f5);font-weight:600;border-bottom:var(--border-sm) solid var(--grey-300,#ccc)}.step-col-mapping-v2__mapping-table tbody td{border-bottom:var(--border-sm) solid var(--grey-200,#eee)}.step-col-mapping-v2__mapping-table .v-select,.step-col-mapping-v2__mapping-table .v-text-field{min-width:7rem}.step-col-mapping-v2__sticky-col{position:sticky;z-index:2;background-color:var(--color-surface-default,#fff)}.step-col-mapping-v2__sticky-col--index{left:0;width:2.5rem;min-width:2.5rem;text-align:center}.step-col-mapping-v2__sticky-col--base{left:2.5rem;min-width:12rem;box-shadow:2px 0 4px -2px rgba(0,0,0,.1)}thead .step-col-mapping-v2__sticky-col{z-index:3;background-color:var(--grey-100,#f5f5f5)}.step-col-mapping-v2__actions{margin-top:var(--space-6);display:flex;gap:var(--space-2)}