.nat-structural-panel{
  margin-top:16px;padding:14px;border:2px solid #2f2c60;border-radius:16px;
  background:#f7f8ff;box-shadow:0 10px 30px rgba(47,44,96,.10);
  font-family:Arial,Helvetica,sans-serif;color:#2f2c60
}
.nat-structural-panel h3{margin:0 0 6px;font-size:18px;line-height:1.2}
.nat-structural-panel .nat-structural-desc{margin:0 0 12px;font-size:12px;line-height:1.45;color:#56536d}
.nat-structural-panel .nat-structural-model{font-size:12px;margin:0 0 12px}
.nat-structural-field{margin:10px 0}
.nat-structural-field label{display:flex;justify-content:space-between;gap:10px;margin-bottom:4px;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.035em}
.nat-structural-field input[type=range]{width:100%;accent-color:#e63a67}
.nat-structural-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:13px}
.nat-structural-actions button{min-height:44px;border-radius:11px;border:1px solid #d5d6e2;background:#fff;color:#2f2c60;font-weight:800;cursor:pointer}
.nat-structural-actions .nat-structural-save{background:#e63a67;border-color:#e63a67;color:#fff}
.nat-structural-status{min-height:16px;margin-top:8px;font-size:12px}
.nat-structural-status.ok{color:#157347}.nat-structural-status.err{color:#b42318}
.nat-structural-warning{margin:10px 0 0;padding:8px 10px;border-radius:10px;background:#fff1c7;font-size:11px;line-height:1.4;color:#624b00}