.svs-container { max-width:100%; margin: 0 auto; font-family: Arial, sans-serif; }
.svs-product-block { border:1px solid #e6e6e6; padding:16px; margin-bottom:20px; border-radius:6px; background:#fff; }
.svs-product-title { font-size:18px; margin-bottom:12px; }
.svs-variation-module { border-top:1px dashed #eee; padding:12px 0; display:block; }
.svs-variation-module:first-of-type { border-top: none; padding-top:0; }
.svs-variation-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:6px; }
.svs-variation-title { font-weight:600; }
.svs-variation-desc { color:#444; margin-bottom:8px; font-size:14px; }
.svs-variation-controls { display:flex; gap:10px; align-items:center; }
.svs-variation-controls input[type="number"] { width:68px; padding:6px; border:1px solid #ccc; border-radius:4px; }
.svs-add-single, .svs-add-multiple { background:#0071a1; color:#fff; padding:8px 12px; border:none; border-radius:6px; cursor:pointer; }
.svs-add-single[disabled], .svs-add-multiple[disabled] { opacity:0.6; cursor:not-allowed; }
.svs-multiple-feedback { margin-left:12px; color: #0a0; font-weight:600; }