:root{--vni-field-h:44px}
.vni-wrap{border:1px solid #e6e6e6;border-radius:12px;padding:16px;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.vni-controls{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.vni-controls label{font-weight:600}
.vni-controls input[type=number], .vni-controls select{height:var(--vni-field-h);padding:0 12px;border:1px solid #d5d5d5;border-radius:10px;outline:none}
.vni-chart-area{position:relative;width:100%;min-height:360px;margin-bottom:12px}
.vni-calculator{margin:10px 0 14px 0;padding:12px;border:1px dashed #cfe;border-radius:10px;background:#fafefe}
.vni-calc-grid{display:grid;grid-template-columns:120px 1fr 100px 1fr 100px 1fr auto;gap:10px;align-items:center}
.vni-amt-wrap{display:flex;align-items:center;gap:8px}
.vni-currency{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:var(--vni-field-h);padding:0 8px;border:1px solid #d5d5d5;border-radius:8px;background:#f8f8f8;text-align:center;line-height:1}
.vni-calc-grid input[type=text], .vni-calc-grid input[type=number]{height:var(--vni-field-h);line-height:var(--vni-field-h);padding:0 12px;border:1px solid #d5d5d5;border-radius:10px;outline:none}
.vni-calc-btn{background:#50e1a3;border:none;border-radius:10px;height:var(--vni-field-h);padding:0 16px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.vni-table{width:100%;border-collapse:collapse;margin-top:8px}
.vni-table th,.vni-table td{border-top:1px solid #eee;padding:8px 10px;text-align:right}
.vni-table th:first-child,.vni-table td:first-child{text-align:left}
.vni-export{background:#50e1a3;border:none;border-radius:10px;padding:8px 14px;font-weight:600;cursor:pointer;margin-top:8px}
.vni-source{font-size:12px;color:#666;margin-top:8px}
.vni-note{margin:8px 0 4px 0}
.vni-note>summary{cursor:pointer;font-weight:600}
@media(max-width:860px){
  .vni-calc-grid{grid-template-columns:1fr 1fr; align-items:center}
  .vni-calc-grid label{grid-column: 1 / -1}
  .vni-calc-btn{grid-column: 1 / -1; justify-self:start}
}