#bbv-wrap{
      max-width:920px;margin:0 auto;border:1px solid #E6E9EE;border-radius:12px;
      background:#fff;box-shadow:0 6px 22px rgba(16,24,40,.08);
      padding:20px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif
    }
    #bbv-wrap h3{margin:0 0 8px;font-size:22px;font-weight:800}
    #bbv-wrap .muted{color:#60656f;font-size:13px;margin-bottom:10px}
    #bbv-wrap .grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    @media(max-width:720px){#bbv-wrap .grid{grid-template-columns:1fr}}
    #bbv-wrap label{font-size:14px;color:#1a1a1a;display:block;margin:8px 0 4px}
    #bbv-wrap input[type="number"],#bbv-wrap select{
      width:100%;padding:10px;border:1px solid #E6E9EE;border-radius:6px;background:#fff
    }
    #bbv-wrap .row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:12px}
    #bbv-wrap .btn{
      background:#EC0808;color:#fff;border:none;border-radius:0;
      padding:12px 18px;font-weight:800;cursor:pointer
    }
    #bbv-wrap .btn:hover{filter:brightness(0.95)}
    #bbv-wrap .chip{
      border:1px solid #E6E9EE;border-radius:20px;padding:6px 10px;
      font-size:12px;background:#F5F7FA;color:#475062
    }
    #bbv-out{display:none;margin-top:14px;border:1px solid #E6E9EE;border-radius:10px;padding:14px;background:#fff}
    #bbv-out table{width:100%;border-collapse:collapse;margin-top:8px}
    #bbv-out th,#bbv-out td{padding:10px;border-bottom:1px solid #eef1f5;text-align:left}
    .bbv-note{font-size:12px;color:#60656f;margin-top:4px}

    /* Тогглы-иконки */
    .bbv-toggle-group{display:flex;gap:12px;margin-top:4px}
    .bbv-toggle-card{
      flex:1;cursor:pointer;border:1px solid #E6E9EE;border-radius:8px;
      padding:8px;display:flex;align-items:center;gap:8px;
      background:#F9FAFB;transition:all .15s ease
    }
    .bbv-toggle-card img{
      width:50px;height:50px;object-fit:contain;flex-shrink:0
    }
    .bbv-toggle-card span{font-size:13px;font-weight:500;color:#111827}
    .bbv-toggle-card.bbv-active{
      border-color:#EC0808;background:#FEF2F2;
      box-shadow:0 0 0 1px #EC0808;
    }

    /* Картинка дома */
    .bbv-house-wrap{margin:10px 0 16px;text-align:center}
    .bbv-house-img{max-width:100%;height:auto;border-radius:8px;display:inline-block}

    /* Карточки выбора сторон (1–4) */
    #bbv-sides-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:6px}
    .bbv-side-card{
      cursor:pointer;border:1px solid #E6E9EE;border-radius:8px;
      padding:0;text-align:center;background:#F9FAFB;font-size:12px;
      display:flex;flex-direction:column;align-items:stretch;gap:0;
      transition:all .15s ease
    }
    .bbv-side-card img{
      width:100%;
      height:auto;
      object-fit:contain;
      display:block;
      flex-shrink:0
    }
    #bbv-sides-cards .bbv-side-card > div{
      padding:6px 8px;
    }
    .bbv-side-card.bbv-active{
      border-color:#EC0808;background:#FEF2F2;
      box-shadow:0 0 0 1px #EC0808;
    }

    @media(max-width:600px){
      .bbv-toggle-group{flex-direction:column}
      #bbv-sides-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
    }

    /* Радио-переключатель A/B и тарифа */
    .bbv-radio-row{
      display:flex;gap:12px;flex-wrap:wrap;margin-top:4px
    }
    .bbv-radio-pill{
      border:1px solid #E5E7EB;border-radius:999px;padding:6px 10px;
      font-size:13px;cursor:pointer;display:flex;align-items:center;gap:6px;
      background:#fff;
    }
    .bbv-radio-pill input{margin:0}
    .bbv-radio-pill.bbv-active{
      border-color:#EC0808;background:#FEF2F2;color:#111827
    }

    /* Подсветка ошибок */
    .bbv-error{
      border-color:#EF4444 !important;
      background:#FEF2F2;
    }