*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.container{background:#fff;box-shadow:0 20px 60px #0000004d;padding:40px 50px}h1{color:#2d3748;margin-bottom:10px;font-size:2rem}h2{color:#4a5568;margin-bottom:20px;font-size:1.5rem;border-bottom:2px solid #e2e8f0;padding-bottom:10px}.form-group{margin:0 3px 15px}label{display:block;margin-bottom:6px;color:#4a5568;font-weight:600;font-size:.76rem;line-height:1.35}input,select{width:100%;padding:8px 12px;border:1px solid #e2e8f0;border-radius:6px;font-size:.9rem;transition:border-color .3s;height:38px}input[type=checkbox]{width:auto;height:auto;margin-right:8px;cursor:pointer;accent-color:#4299e1}input:focus,select:focus{outline:none;border-color:#667eea}input.error,select.error{border-color:#e53e3e}.field-auto-matched label{color:#a0aec0}.field-auto-matched 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12px;border-radius:12px;font-size:.75rem;font-weight:600}.status-filled{background:#c6f6d5;color:#22543d}.status-partial{background:#fed7d7;color:#742a2a}.status-empty{background:#e2e8f0;color:#4a5568}.section-details{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;font-size:.9rem;color:#4a5568}.detail-item{display:flex;justify-content:space-between}.loading{text-align:center;padding:40px;color:#667eea;font-size:1.1rem}.alert{padding:15px;border-radius:6px;margin-bottom:20px}.alert-error{background:#fed7d7;color:#742a2a;border:1px solid #fc8181}.alert-success{background:#c6f6d5;color:#22543d;border:1px solid #68d391}.section-form{background:#f7fafc;border:1px dashed #cbd5e0;border-radius:8px;padding:15px;margin-bottom:20px;overflow:visible}.row{display:flex;flex-wrap:wrap;margin:0 -5px;gap:12px;align-items:flex-start}.row-single{display:flex;flex-wrap:nowrap;gap:12px;align-items:flex-start;width:100%;overflow-x:auto}.fluid-properties-row{width:100%;box-sizing:border-box;margin-top:8px}.field-hint,.manhole-field-hint{color:#718096;font-size:.65rem;line-height:1.2;display:block;margin-top:2px}.left-panel .fluid-properties-row .form-group>div[style*=flex] select.fluid-prop-density-unit{width:72px!important;min-width:68px!important}.left-panel .fluid-properties-row .form-group>div[style*=flex] select.fluid-prop-volume-unit{width:56px!important;min-width:52px!important}.col-12{flex:0 0 100%;max-width:100%;padding:0 10px;overflow:visible;width:100%}.col-8{flex:0 0 66.666667%;max-width:66.666667%;padding:0 10px}.col-4{flex:0 0 33.333333%;max-width:33.333333%;padding:0 10px}@media (max-width: 992px){.col-8,.col-4{flex:0 0 100%;max-width:100%}}.section-form-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-form-header__title{color:#2d3748;font-size:1.2rem;margin:0}.left-panel .shaft-card .section-form-header__title{font-size:.95rem}.left-panel .shaft-section-card .section-form-header__title{color:#4a5568;font-size:.9rem}.section-form-header--toolbar{flex-wrap:wrap;justify-content:flex-start;gap:8px 10px}.section-form-header--toolbar .section-header-actions{margin-left:auto;flex-shrink:0}:root{--form-btn-padding: 5px 12px;--form-btn-font-size: .8rem;--form-btn-min-height: 28px;--form-btn-radius: 5px}.btn-remove,.btn-add-manhole,.btn-add-section{padding:var(--form-btn-padding);border-radius:var(--form-btn-radius);font-size:var(--form-btn-font-size);font-weight:500;line-height:1.2;min-height:var(--form-btn-min-height);box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}.btn-remove{background:#e53e3e;color:#fff;border:none;cursor:pointer;transition:background .2s ease}.btn-remove:hover{background:#c53030}.section-header-actions{margin-left:auto;display:flex;gap:6px;align-items:center;flex-shrink:0}.section-header-actions .btn-add-manhole:hover:not(:disabled){transform:none}.btn-add-section{background:#48bb78;color:#fff;border:none;cursor:pointer;margin-top:10px}.btn-add-section:hover{background:#38a169}.left-panel .row-grid,.row-grid.row-grid--plate{display:grid;grid-template-columns:repeat(auto-fill,minmax(154px,1fr));gap:8px 12px;align-items:start;padding-bottom:8px;width:100%;margin:0;overflow:visible}.left-panel .row-grid .form-group,.row-grid.row-grid--plate .form-group{flex:unset;min-width:0;max-width:none;width:100%;margin:0 0 4px;box-sizing:border-box;display:flex;flex-direction:column;overflow:hidden}.left-panel .row-grid.row-grid--plate:has(>.form-group--shape-type),.row-grid.row-grid--plate:has(>.form-group--shape-type){display:flex;flex-wrap:wrap;align-items:flex-start;gap:8px 10px}.left-panel .row-grid.row-grid--plate:has(>.form-group--shape-type) .form-group--shape-type,.row-grid.row-grid--plate:has(>.form-group--shape-type) .form-group--shape-type{flex:0 0 auto;width:auto;min-width:0;max-width:6.75rem}.left-panel .row-grid.row-grid--plate:has(>.form-group--shape-type)>.form-group,.row-grid.row-grid--plate:has(>.form-group--shape-type)>.form-group{flex:0 0 auto;width:auto}.left-panel .row-grid.row-grid--plate:has(>.form-group--shape-type) .form-group:not(.form-group--shape-type):not(.form-group--num-holes),.row-grid.row-grid--plate:has(>.form-group--shape-type) .form-group:not(.form-group--shape-type):not(.form-group--num-holes){flex:0 0 auto;width:8.5rem;max-width:8.5rem;min-width:8rem}.left-panel .row-grid.row-grid--plate .form-group--num-holes,.row-grid.row-grid--plate .form-group--num-holes{flex:0 0 auto;width:5.5rem;max-width:5.5rem;min-width:5rem}.left-panel .row-grid.row-grid--plate .form-group--num-holes select,.row-grid.row-grid--plate .form-group--num-holes select{width:100%!important;max-width:100%!important}.left-panel .row-grid .form-group label,.row-grid.row-grid--plate .form-group label{font-size:.66rem!important;margin-bottom:3px;line-height:1.2;white-space:normal!important;overflow-wrap:anywhere;word-break:break-word}.left-panel .row-grid .form-group input[type=number],.left-panel .row-grid .form-group select,.row-grid.row-grid--plate .form-group input[type=number],.row-grid.row-grid--plate .form-group select{padding:4px 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.form-group{margin-bottom:0}.btn-add-manhole{background:#4299e1;color:#fff;border:none;cursor:pointer;transition:all .2s ease}.btn-add-manhole:hover:not(:disabled){background:#3182ce;transform:translateY(-1px);box-shadow:0 4px 8px #4299e14d}.btn-add-manhole:disabled{opacity:.55;cursor:not-allowed}.left-panel .section-form{padding:12px;margin-bottom:14px}.left-panel .section-form-header{margin-bottom:8px}.left-panel .form-group{margin:0 2px 10px}.left-panel label{margin-bottom:4px;font-size:.72rem!important;line-height:1.25}.left-panel input,.left-panel select{height:34px;font-size:.84rem;padding:6px 8px}.left-panel .row{gap:10px}.left-panel .row-grid{gap:8px 10px;grid-template-columns:repeat(auto-fill,minmax(138px,1fr))}.left-panel .row-grid.row-grid--plate:has(>.form-group--shape-type) .form-group:not(.form-group--shape-type):not(.form-group--num-holes){width:8.25rem;max-width:8.25rem;min-width:7.75rem}.left-panel .row-grid.row-grid--plate .form-group--num-holes{width:7.25rem;max-width:7.25rem;min-width:6.4rem}.left-panel .row-grid.row-grid--plate:has(>.form-group--shape-type) .form-group--shape-type{max-width:6.25rem}.left-panel .row-grid.row-grid--plate:has(>.form-group--shape-type) .form-group:not(.form-group--shape-type)>div[style*=flex] input[type=number],.row-grid.row-grid--plate:has(>.form-group--shape-type) .form-group:not(.form-group--shape-type)>div[style*=flex] input[type=number]{flex:0 0 4.5rem!important;width:4.5rem!important;max-width:4.5rem!important;min-width:4.5rem!important}.left-panel .row-grid.row-grid--plate:has(>.form-group--shape-type) .form-group:not(.form-group--shape-type)>div[style*=flex] select[style*=flex-shrink],.row-grid.row-grid--plate:has(>.form-group--shape-type) .form-group:not(.form-group--shape-type)>div[style*=flex] select[style*=flex-shrink]{width:2.75rem!important;min-width:2.5rem!important}.left-panel .row-grid .form-group label{font-size:.65rem!important;margin-bottom:2px}.left-panel .row-grid .form-group input[type=number],.left-panel .row-grid .form-group select{min-height:30px!important;height:30px!important;font-size:.76rem!important}.left-panel .manholes-section{padding:9px!important;margin-top:10px!important}.left-panel .manhole-card{padding:10px!important}.left-panel .manholes-section .manhole-card input[type=number],.left-panel .manholes-section .manhole-card select{min-height:30px!important;height:30px!important;padding:4px 6px!important;font-size:.76rem!important;border:1px solid #e2e8f0;border-radius:6px;box-sizing:border-box}.left-panel .manholes-section .manhole-card label{font-size:.65rem!important;margin-bottom:2px;font-weight:600;color:#4a5568}.left-panel .manholes-section .manhole-card .form-group>div[style*=flex]{display:flex!important;gap:6px!important;align-items:center!important;min-width:0}.left-panel .manholes-section .manhole-card .form-group>div[style*=flex] 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#0000001a}.btn-action:hover{box-shadow:0 4px 8px #00000026}@media (max-width: 1200px){.container{padding:28px 22px}}@media (max-width: 992px){.container{padding:22px 16px}h1{font-size:1.55rem}h2{font-size:1.25rem}}@media (max-width: 768px){body{overflow-x:hidden}#app{width:100%;max-width:100%;overflow-x:hidden}.container{padding:18px 12px;box-shadow:0 12px 40px #00000038}h1{font-size:1.3rem}h2{font-size:1.1rem}.btn,.btn-reset{width:auto;max-width:100%}.result-grid{grid-template-columns:1fr}.row-single{-webkit-overflow-scrolling:touch}.section-form{overflow-x:auto;-webkit-overflow-scrolling:touch}.left-panel .section-form-header--toolbar{display:grid!important;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto;align-items:center;justify-content:stretch!important;gap:6px 8px!important}.left-panel .section-form-header--toolbar .section-form-header__title,.left-panel .section-form-header--toolbar>h3,.left-panel .section-form-header--toolbar>h5,.left-panel 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.shafts-panel__title{font-size:1rem;margin-bottom:6px}.left-panel .shafts-panel__hint{margin-bottom:6px;font-size:.78rem;line-height:1.3}.left-panel .shaft-card{padding:6px 8px;margin-bottom:8px}.left-panel .shaft-card:last-child{margin-bottom:0}.left-panel .shaft-section-card{margin-left:0;margin-bottom:6px;padding:6px 8px}.left-panel .shaft-add-section-btn{margin-left:0!important;margin-top:4px;margin-bottom:6px!important;width:100%;max-width:100%}.left-panel .shaft-card .section-form-header--toolbar,.left-panel .shaft-section-card .section-form-header--toolbar{margin-bottom:4px!important}.left-panel .shaft-card .form-group,.left-panel .shaft-section-card .form-group{margin-bottom:6px}.left-panel .shaft-card 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