.irt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
  gap: 15px;
}
.irt-card {
  border:1px solid #e6e6e6;
  border-radius:8px;
  padding:12px;
  background:#fff;
  box-shadow:0 1px 4px rgba(0,0,0,0.05);
}
.irt-card h4 { margin:0 0 8px;font-size:15px;color:#222;font-weight:600; }
.irt-range-row{margin-top:6px;color:#444;font-size:14px;}
input[type=range]{width:100%;}
.irt-controls{display:flex;align-items:center;gap:18px;margin-top:12px;flex-wrap:wrap;}
.irt-btn{padding:9px 16px;background:#0dacc8;color:#fff;border:none;cursor:pointer;border-radius:6px;font-weight:600;}
.irt-btn:hover{background:#0b97b0;}
.irt-modal{display:none;position:fixed;z-index:9999;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,0.5);}
.irt-modal-content{background:#fff;padding:20px;border-radius:8px;max-width:500px;margin:6% auto;position:relative;}
.irt-close{position:absolute;top:8px;right:12px;font-size:22px;border:none;background:transparent;cursor:pointer;}
.irt-form-grid{display:grid;grid-template-columns:1fr;gap:12px;}
.irt-form-grid input[type=text],.irt-form-grid textarea{width:100%;padding:9px;border:1px solid #ddd;border-radius:6px;}