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.step-number{width:24px;height:24px;border-radius:50%;background:#e0e0e0;color:#757575;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:12px}.uzv-step-indicator.active{background:#e0f2f1;color:#004d40}.uzv-step-indicator.active .step-number{background:#00796b;color:#fff}.uzv-step-indicator.completed{background:#e8f5e9;color:#2e7d32}.uzv-step-indicator.completed .step-number{background:#4caf50;color:#fff}.uzv-step-indicator.clickable{cursor:pointer}.uzv-step-indicator.clickable:hover{background:#c8e6c9;transform:translateY(-1px);box-shadow:0 2px 6px rgba(0,0,0,.08)}.uzv-step-indicator .step-icon{display:inline-block;vertical-align:middle;margin-right:2px}.uzv-step{display:none;background:#fff;border:1px solid #e0e0e0;border-radius:12px;padding:30px;margin-bottom:20px}.uzv-step.active{display:block}.uzv-step h2{color:#37474f;font-size:20px;margin:0 0 20px 0;padding-bottom:15px;border-bottom:1px solid #e0e0e0}.uzv-fish-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.uzv-fish-option{position:relative}.uzv-fish-option input{position:absolute;opacity:0}.uzv-fish-option label{display:flex;flex-direction:column;align-items:center;padding:15px;border:2px solid #e0e0e0;border-radius:12px;cursor:pointer;transition:all .2s;text-align:center}.uzv-fish-option input:checked+label{border-color:#00796b;background:#e0f2f1}.uzv-fish-option .fish-icon{display:flex;align-items:center;justify-content:center;height:36px;margin-bottom:8px}.uzv-fish-option .fish-icon svg{display:block}.uzv-fish-option .fish-name{font-weight:600;color:#37474f;margin-bottom:4px}.uzv-fish-option .fish-density{font-size:11px;color:#00796b}#fish_info{background:#f5f5f5;padding:15px 20px;border-radius:8px;margin-top:15px}.fish-info-item{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px solid #e0e0e0}.fish-info-item:last-child{border-bottom:none}.fish-info-item span{color:#78909c}.fish-info-item strong{color:#00796b}.uzv-form-group{margin-bottom:20px}.uzv-form-group label{display:block;font-weight:500;color:#37474f;margin-bottom:8px}.uzv-form-group input[type=number]{width:100%;padding:12px 15px;border:1px solid #cfd8dc;border-radius:8px;font-size:16px}.uzv-form-group input:focus{outline:0;border-color:#00796b}.uzv-form-hint{font-size:12px;color:#78909c;margin-top:5px}#biomass_preview{background:#e0f2f1;padding:15px 20px;border-radius:8px;margin-top:15px}#biomass_preview div{margin:5px 0}#biomass_preview strong{color:#00796b}.uzv-biofilter-options{display:flex;flex-direction:column;gap:10px}.uzv-biofilter-option{position:relative}.uzv-biofilter-option input{position:absolute;opacity:0}.uzv-biofilter-option label{display:block;padding:15px 20px;border:2px solid #e0e0e0;border-radius:10px;cursor:pointer;transition:all .2s}.uzv-biofilter-option input:checked+label{border-color:#00796b;background:#e0f2f1}.uzv-biofilter-option label strong{display:block;color:#37474f;margin-bottom:5px}.uzv-biofilter-option .bio-desc{display:block;color:#78909c;font-size:13px}.uzv-biofilter-option .bio-rate{display:block;color:#00796b;font-size:12px;margin-top:5px}.uzv-step-nav{display:flex;justify-content:space-between;margin-top:30px;padding-top:20px;border-top:1px solid #e0e0e0}.uzv-step-btn{padding:12px 30px;border:none;border-radius:8px;font-size:16px;cursor:pointer;transition:all .2s}.uzv-step-btn[data-direction=prev]{background:#f5f5f5;color:#546e7a}#uzv_calculate_btn,.uzv-step-btn[data-direction=next]{background:#00796b;color:#fff}.uzv-step-btn:hover{opacity:.9}#uzv_calculate_btn{width:100%;padding:15px;font-size:18px}#uzv_calculate_btn:disabled{background:#b0bec5;cursor:not-allowed}#uzv_errors{display:none;margin-bottom:20px}.uzv-error{background:#ffebee;border:1px solid #ef9a9a;color:#c62828;padding:12px 15px;border-radius:8px;margin-bottom:10px}.uzv-warning{background:#fff3e0;border:1px solid #ffcc80;color:#e65100;padding:12px 15px;border-radius:8px;margin-bottom:15px}.uzv-warning i{margin-right:10px}#uzv_results{display:none}.uzv-results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:30px}.uzv-result-card{background:#fff;border:1px solid #e0e0e0;border-radius:12px;overflow:hidden}.uzv-result-card .card-header{background:#f5f5f5;padding:15px 20px;font-weight:600;color:#37474f;border-bottom:1px solid #e0e0e0}.uzv-result-card .card-header i{color:#00796b;margin-right:10px}.uzv-result-card .card-body{padding:20px}.result-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid #f5f5f5}.result-row:last-child{border-bottom:none}.result-row span{color:#78909c}.result-row strong{color:#37474f}.result-row.highlight{background:#e0f2f1;margin:0 -20px;padding:12px 20px}.result-row.highlight strong{color:#004d40;font-size:16px}.tank-options{margin-top:15px;padding-top:10px;border-top:1px solid #e0e0e0}.tank-options strong{display:block;font-size:12px;color:#78909c;margin-bottom:8px}.tank-option{display:inline-block;background:#e0f2f1;color:#00796b;padding:5px 12px;border-radius:15px;font-size:12px;margin:3px 5px 3px 0}.oxygen-options{margin-top:10px}.uzv-oxygen-option{background:#fafafa;padding:10px 15px;border-radius:8px;margin-bottom:8px;border-left:3px solid #00796b}.uzv-oxygen-option strong{display:block;color:#37474f;margin-bottom:3px}.uzv-oxygen-option span{display:block;font-size:12px;color:#78909c}.uzv-oxygen-option .oxy-eff{color:#00796b}.uzv-results-footer{padding-top:20px;border-top:1px solid #e0e0e0}.standard-ref{color:#78909c;font-size:13px;margin-bottom:12px}.standard-ref i{margin-right:5px}.uzv-actions{display:flex;gap:10px}.uzv-actions .btn{flex:1;display:inline-flex;align-items:center;justify-content:center;padding:13px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;border:none;text-decoration:none;transition:background .2s,box-shadow .2s;line-height:1.2}.uzv-actions .btn-consultation{background:#00796b;color:#fff}.uzv-actions .btn-consultation:hover{background:#00695c;box-shadow:0 2px 8px rgba(0,121,107,.3)}.uzv-actions .btn-pdf{background:#e0f2f1;color:#004d40;border:1px solid #b2dfdb}.uzv-actions .btn-pdf:hover{background:#b2dfdb}.uzv-actions .btn-catalog{background:#fff;color:#00796b;border:1px solid #00796b}.uzv-actions .btn-catalog:hover{background:#e0f2f1}.uzv-new-calc-row{margin-top:20px;padding-top:16px;border-top:1px dashed #cfd8dc;text-align:center}.uzv-new-calc-btn{display:inline-flex;align-items:center;padding:10px 28px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;background:#fff;color:#546e7a;border:1px solid #cfd8dc;transition:all .2s}.uzv-new-calc-btn:hover{background:#f5f5f5;border-color:#00796b;color:#00796b}.uzv-faq-block{margin-top:40px}.uzv-faq-block h2{font-size:22px;margin-bottom:20px;color:#1a1a1a}.faq-item{margin-bottom:16px;padding:15px 20px;background:#f0f7f6;border-radius:8px;border-left:3px solid #00796b}.faq-q{font-size:16px;font-weight:600;color:#1a1a1a;margin-bottom:8px}.faq-item p{font-size:14px;line-height:1.6;color:#555;margin:0}.faq-item a{color:#00695c;text-decoration:none}.faq-item a:hover{text-decoration:underline}.uzv-quick-calcs{margin-top:40px;padding:30px;background:#fff;border-radius:12px;border:1px solid #eee}.uzv-quick-calcs h2{text-align:center;font-size:20px;margin:0 0 25px 0;color:#333}.uzv-quick-calcs .quick-calcs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}.uzv-quick-calcs .quick-calcs-group h4{font-size:15px;color:#004d40;margin:0 0 12px 0;padding-bottom:8px;border-bottom:2px solid #e0e0e0}.uzv-quick-calcs .quick-calcs-group ul{list-style:none;margin:0;padding:0}.uzv-quick-calcs .quick-calcs-group li{margin-bottom:8px}.uzv-quick-calcs .quick-calcs-group a{color:#555;text-decoration:none;font-size:14px;transition:color .2s}.uzv-quick-calcs .quick-calcs-group a:hover{color:#00796b;text-decoration:underline}@media (max-width:768px){.uzv-hero{padding:20px}.uzv-hero h1{font-size:22px}.uzv-step-indicator .step-label{display:none}.uzv-fish-grid{grid-template-columns:repeat(2,1fr)}.uzv-actions{flex-direction:column}.uzv-quick-calcs .quick-calcs-grid{grid-template-columns:1fr;gap:20px}}