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var(--border-light);border-radius:var(--radius-sm);background:var(--bg-sunken);align-items:center;gap:8px;margin-bottom:6px;padding:8px 10px;transition:border-color .15s;display:flex}.mapping-row:hover{border-color:var(--border-strong)}.mapping-row:last-child{margin-bottom:0}.mapping-arrow{color:var(--primary);font-size:14px;font-weight:600}.download-btn{background:var(--primary);color:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow-primary);align-items:center;gap:8px;margin:6px;padding:12px 28px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:inline-flex}.download-btn:hover{background:var(--primary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.preview-table{border-collapse:collapse;border-radius:var(--radius-sm);width:100%;margin-top:8px;font-size:12px;overflow:hidden}.preview-table th,.preview-table td{border:1px solid var(--border-light);text-align:left;text-overflow:ellipsis;white-space:nowrap;max-width:140px;padding:5px 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