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.about-four-column{column-count:1;column-rule:none}.about-page .about-card{max-width:100%;padding-left:1rem;padding-right:1rem}}@media (max-width: 75rem){.about-page .about-three-column{column-count:2}}@media (max-width: 100rem){.about-page .about-four-column{column-count:3}}@media (max-width: 75rem){.about-page .about-four-column{column-count:2}}.collab-section{text-align:left;padding:1rem 0}.collab-section .collab-header{margin-bottom:1rem}.collab-section .collab-header h3{margin:0 0 .25rem 0;font-size:1.6rem;font-weight:800;color:#0b2a7a}.collab-section .collab-header .collab-subtitle{margin:0;font-size:1rem;color:#555}.collab-section .collab-grid{display:grid;grid-template-columns:1fr;gap:1rem;margin:1rem 0 1.5rem}@media (min-width: 640px){.collab-section .collab-grid{grid-template-columns:repeat(2, 1fr)}}@media (min-width: 1024px){.collab-section .collab-grid{grid-template-columns:repeat(2, 1fr)}}.collab-section .collab-card{background:#fff;border:1px solid #e2e7f2;border-radius:0.75rem;box-shadow:0 2px 6px rgba(0,0,0,0.04);transition:transform .2s ease, box-shadow .2s ease}.collab-section .collab-card:hover{transform:translateY(-3px);box-shadow:0 6px 14px rgba(0,0,0,0.08)}.collab-section .collab-card .collab-card-body{padding:1rem 1.25rem}.collab-section .collab-card .collab-card-body .collab-name{margin:0 0 .25rem 0;font-size:1.125rem;font-weight:700;color:#222}.collab-section .collab-card .collab-card-body .collab-role{margin:0 0 .5rem 0;font-size:.95rem;color:#4a5b7d}.collab-section .collab-card .collab-card-body .collab-bio{margin:0;font-size:.98rem;line-height:1.6;color:#444}.collab-section .collab-cta{margin-top:1.25rem;padding-top:1rem;border-top:1px solid #e8ebf3;text-align:center}.collab-section .collab-cta h4{margin:0 0 .25rem 0;font-size:1.2rem;font-weight:700;color:#0b2a7a}.collab-section .collab-cta p{margin:0 0 .75rem 0;color:#555;font-size:1rem}.collab-section .collab-cta .collab-btn{display:inline-block;text-decoration:none;font-size:1rem;font-weight:600;background:#007bff;color:#fff;padding:.65rem 1.1rem;border-radius:.5rem;transition:background .2s ease, transform .2s ease, box-shadow .2s ease;box-shadow:0 3px 10px rgba(0,123,255,0.25)}.collab-section .collab-cta .collab-btn:hover{background:#0056b3;transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,86,179,0.28)}.signin-banner{width:100%;min-height:30vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg, #f4f7fa 0%, #e0ecf9 100%);text-align:center;padding:3rem 1rem;border-radius:0.75rem;box-shadow:0 0.25rem 0.75rem rgba(0,0,0,0.08);margin-top:2rem}.signin-banner .signin-banner-content{max-width:48rem;margin:0 auto;color:#222}.signin-banner .signin-banner-content h3{font-size:2rem;font-weight:600;color:#004aad;margin-bottom:1rem}@media (min-width: 768px){.signin-banner .signin-banner-content h3{font-size:2.25rem}}.signin-banner .signin-banner-content p{font-size:1.125rem;line-height:1.7;color:#444;margin-bottom:2rem}@media (min-width: 768px){.signin-banner .signin-banner-content p{font-size:1.25rem}}.signin-banner .signin-banner-content .signin-banner-btn{display:inline-block;background-color:#007bff;color:#fff;font-size:1.125rem;font-weight:600;text-decoration:none;border-radius:0.5rem;padding:0.75rem 1.75rem;transition:background-color 0.3s ease}.signin-banner .signin-banner-content .signin-banner-btn:hover{background-color:#0056b3}.batch_calculation-page{width:calc(96vw - 40px);max-width:1600px;margin:0 auto;padding:3.75rem 1.25rem;min-height:100vh;display:flex;justify-content:center;align-items:flex-start;background-repeat:no-repeat;background-size:cover;background-position:60% center}@media (min-width: 48rem){.batch_calculation-page{background-position:70% center}}@media (min-width: 90rem){.batch_calculation-page{background-position:80% center}}.batch_calculation-page .batch_calculation-card{width:100%;max-width:100%;margin:2.5rem auto;padding:1.25rem 5vw;background:#fff;border-radius:0.625rem;box-shadow:0 0.25rem 0.625rem rgba(0,0,0,0.1);flex:1 1 100%;align-items:center;gap:0.75rem}.batch_calculation-page .batch_calculation-card label{display:block;margin-bottom:0.5rem;line-height:1.2;color:#000}.batch_calculation-page h3{font-size:1.25rem;color:#007BFF;text-align:left;margin-top:1.25rem}.batch_calculation-page h3.quick-start{font-size:0.9375rem;text-align:left}.batch_calculation-page h4{margin-top:0.625rem;font-size:1rem;color:#444}.batch_calculation-page h5{font-size:0.875rem;color:#007BFF;text-align:left;margin-top:1.25rem}.batch_calculation-page p{font-size:1rem;color:#555;text-align:justify;margin-bottom:0.9375rem}.batch_calculation-page ul{padding-left:1.5em;margin-top:0.3125rem;font-size:0.9375rem;color:#555;list-style-position:outside}.batch_calculation-page ul li{margin-bottom:0.3125rem;text-align:left;padding-left:0;text-indent:0}@media (min-width: 48rem){.batch_calculation-page h3{font-size:1.375rem}.batch_calculation-page h3.quick-start{font-size:1rem}.batch_calculation-page h4{font-size:1.0625rem}.batch_calculation-page h5{font-size:0.9375rem}.batch_calculation-page p{font-size:1.0625rem}.batch_calculation-page ul{font-size:1rem}}@media (min-width: 90rem){.batch_calculation-page h3{font-size:1.5rem}.batch_calculation-page h3.quick-start{font-size:1.125rem}.batch_calculation-page h4{font-size:1.125rem}.batch_calculation-page h5{font-size:1rem}.batch_calculation-page p{font-size:1.125rem}.batch_calculation-page ul{font-size:1.125rem}}#glassCompositionTableCriteriaSection table{table-layout:fixed;width:100%;border-collapse:collapse;text-align:center}#glassCompositionTableCriteriaSection table thead tr{background-color:#f0f0f0}#glassCompositionTableCriteriaSection table th,#glassCompositionTableCriteriaSection table td{padding:0.125rem;border:0.0625rem solid #ccc;box-sizing:border-box;text-align:center}#glassCompositionTableCriteriaSection table thead th:nth-child(1),#glassCompositionTableCriteriaSection table tbody td:nth-child(1),#glassCompositionTableCriteriaSection table tfoot td:nth-child(1){width:13.75rem}#glassCompositionTableCriteriaSection table input[type="number"]{width:100%;max-width:7.5rem;font-size:1rem;padding:0.125rem;box-sizing:border-box;text-align:center}#glassCompositionTableCriteriaSection tbody tr:first-child td:first-child{padding:0.3125rem;background-color:#eef2ff;font-weight:bold;text-align:left;color:#007BFF}.batch-wrap{background-color:#f9f9f9;padding:0.9375rem;border:0.0625rem solid #ddd}.batch-card{padding:1rem;background-color:#fff;border:0.0625rem solid #ddd;border-radius:0.3125rem}.batch-title{font-size:1rem;color:#007BFF;text-align:left;margin:0 0 0.5rem 0}#glassCompositionTableSection{margin-top:1.25rem;font-size:1rem}.table-scroll{width:100%;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch}#glassTable{border-collapse:collapse;font-size:1rem;text-align:center}#glassTable thead tr{background-color:#f0f0f0}#glassTable th,#glassTable td{padding:0.125rem;border:0.0625rem solid #ccc;vertical-align:middle;box-sizing:border-box}#glassTable th,#glassTable td{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.table-scroll #glassTable{table-layout:fixed;width:auto;min-width:1000px}#glassTable input[type="number"],#glassTable input[type="text"]{font-size:1rem;padding:0.125rem;width:5rem;max-width:100%;box-sizing:border-box}.table-scroll #glassTable input[type="number"],.table-scroll #glassTable input[type="text"]{width:100%;min-width:0}#glassTable input[type="number"]{-moz-appearance:textfield}#glassTable input[type="number"]::-webkit-outer-spin-button,#glassTable input[type="number"]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}#glassTable tbody tr td:first-child{text-align:left}#glassTable tbody tr td:first-child input[type="text"]{width:clamp(8rem, 24vw, 15rem);font-size:0.875rem;padding:0.125rem;background-color:#fff;display:block;margin:0;max-width:100%;box-sizing:border-box}#glassTable thead tr>th:last-child{width:3.75rem;min-width:3.75rem;max-width:3.75rem;background-color:#f0f0f0}#glassTable tbody tr>td:last-child,#glassTable tfoot tr>td:last-child{width:3.75rem;min-width:3.75rem;max-width:3.75rem;background-color:#ffffff}#glassTable td:last-child>*,#glassTable th:last-child>*{min-width:3.75rem;max-width:3.75rem;color:black;background-color:#e8f4ff}#glassTable td:last-child button,#glassTable td:last-child input,#glassTable td:last-child .actions,#glassTable td:last-child .btn{display:inline-block;width:auto;max-width:100%;padding:0.125rem 0.1875rem;box-sizing:border-box}#glassTable td:last-child input[type="number"],#glassTable td:last-child input[type="text"]{border:1px solid #ccc;background-color:#fff;padding:0.125rem 0.1875rem;font-size:1rem;box-sizing:border-box;width:100%;max-width:100%;min-width:0}#glassTable td:last-child button,#glassTable td:last-child .btn{display:inline-block;width:auto;max-width:100%;padding:0.125rem 0.1875rem;box-sizing:border-box;border:1px solid #ccc;border-radius:0.25rem;background-color:#fff;cursor:pointer}#glassTable td:last-child button:hover,#glassTable td:last-child .btn:hover{background-color:#e8f4ff}#glassTable .standard-row td:first-child{font-weight:bold;text-align:left;border:1px solid #bbb;background-color:#e8f4ff}#glassTable #deviation-row{font-style:italic;background-color:#e8f4ff}#glassTable #deviation-row td:first-child{font-weight:bold;text-align:left;border:1px solid #bbb;background-color:#e8f4ff}#glassTable #deviation-row td:last-child{background-color:#e8f4ff !important}#glassTable tfoot tr#summaryRow,#glassTable tfoot tr#difference-row{background-color:#e8f4ff;font-weight:bold;text-align:left;color:#007BFF}#glassTable #batch-to-glass-factor{text-align:center;padding:0.125rem}@media (max-width: 768px){#glassTable{font-size:0.9375rem}#glassTable thead tr>th:last-child,#glassTable tbody tr>td:last-child,#glassTable tfoot tr>td:last-child{width:2.75rem;min-width:2.75rem;max-width:2.75rem}}.batch_calculation-card .batch-button-row,.batch_calculation-card .button-row{display:flex;justify-content:center;flex-wrap:wrap;gap:0.5rem;margin:1rem 0;overflow:hidden}.batch_calculation-card .batch-button-row .sieve-button-row>button,.batch_calculation-card .button-row .sieve-button-row>button{flex:1 1 0;min-width:0;white-space:nowrap}.batch_calculation-card .batch-button-row button,.batch_calculation-card .batch-button-row input[type="button"],.batch_calculation-card .batch-button-row input[type="submit"],.batch_calculation-card .button-row button,.batch_calculation-card .button-row input[type="button"],.batch_calculation-card .button-row input[type="submit"]{font-size:1.25rem;padding:0.25rem 0.875rem;border:none;border-radius:0.5rem;cursor:pointer;color:#fff;transition:background-color 0.3s, opacity 0.2s;white-space:nowrap;box-sizing:border-box;min-width:15rem;max-width:16rem;text-align:center}.batch_calculation-card .batch-button-row button:hover,.batch_calculation-card .batch-button-row input[type="button"]:hover,.batch_calculation-card .batch-button-row input[type="submit"]:hover,.batch_calculation-card .button-row button:hover,.batch_calculation-card .button-row input[type="button"]:hover,.batch_calculation-card .button-row input[type="submit"]:hover{opacity:0.9;background-color:#0056b3}.batch_calculation-card #batchAddRowBtn{background-color:#007bff}.batch_calculation-card #batchClearTableBtn{background-color:#dc3545}.batch_calculation-card #batchResetToDefaultBtn{background-color:#28a745}.batch_calculation-card #clearDefaultsButton{background-color:#873e23}.batch_calculation-card #showDefaultsButton{background-color:#17a2b8}.batch_calculation-card #batchAutoAdjustBtn{background-color:#e28743}.batch_calculation-card #batchRemoveRowBtn{background-color:#eab676}.batch_calculation-card #batchAddRowBtn:hover{background-color:#0069d9}.batch_calculation-card #batchClearTableBtn:hover{background-color:#c82333}.batch_calculation-card #batchResetToDefaultBtn:hover{background-color:#218838}.batch_calculation-card #batchExportTableToCSVBtn:hover{background-color:#5a6268}.batch_calculation-card .wide-btn{min-width:15rem;max-width:16rem}#rawMaterialSelect{font-size:1rem;padding:0.5rem 3rem 0.5rem 1rem;border-radius:0.5rem;border:none;background-color:#007bff;color:#fff;cursor:pointer;transition:background-color 0.3s, opacity 0.2s;min-width:11rem;max-width:14rem;text-align:center;appearance:none;-webkit-appearance:none;-moz-appearance:none;background-image:url("data:image/svg+xml;charset=US-ASCII,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white'%3E%3Cpath d='M4 6l4 4 4-4z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 0.75rem center;background-size:2.25rem auto}#rawMaterialSelect:hover{opacity:0.9;background-color:#0069d9}#rawMaterialSelect:focus{outline:none;box-shadow:0 0 0 0.125rem rgba(0,123,255,0.5)}.batch-chart-row{display:flex;flex-wrap:wrap;justify-content:center;gap:1.25rem;margin-top:1.25rem}.batch-chart-container{flex:1 1 48%;max-width:50rem;min-width:18.75rem;padding:0.625rem}@media (max-width: 37.5rem){.batch-button{padding:0.375rem 0.625rem;font-size:0.8125rem;min-width:6.25rem}}@media (max-width: 56.25rem) and (min-width: 37.5625rem){.batch-button{padding:0.5rem 0.75rem;font-size:0.9375rem;min-width:7.5rem}}.lean-banner{width:100%;min-height:45vh;display:flex;align-items:center;justify-content:center;text-align:left;padding:3rem 2rem;margin:2rem auto;border-radius:0.75rem;box-shadow:0 0.25rem 0.75rem rgba(0,0,0,0.08);background:linear-gradient(135deg, #f8f9fa 0%, #e3ebf5 50%, #dee2e6 100%);position:relative;overflow:hidden}.lean-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right, rgba(0,123,255,0.08), transparent 70%);z-index:0}.lean-banner .lean-banner-content{position:relative;z-index:1;max-width:68rem;margin:0 auto;color:#222}.lean-banner .lean-banner-content h3{font-size:2rem;font-weight:700;color:#004aad;margin-bottom:1rem;line-height:1.3}@media (min-width: 768px){.lean-banner .lean-banner-content h3{font-size:2.25rem}}.lean-banner .lean-banner-content p{font-size:1.125rem;line-height:1.75;color:#444;margin-bottom:1.25rem}.lean-banner .lean-banner-content p .highlight{color:#007bff;font-weight:600}@media (min-width: 768px){.lean-banner .lean-banner-content p{font-size:1.25rem}}.lean-banner .lean-banner-content .lean-banner-list{margin:1.5rem 0 2rem;padding-left:1.5rem;list-style:disc}.lean-banner .lean-banner-content .lean-banner-list li{font-size:1.05rem;color:#333;margin-bottom:0.5rem;line-height:1.6}.lean-banner .lean-banner-content .lean-banner-list li strong{color:#004aad}@media (min-width: 768px){.lean-banner .lean-banner-content .lean-banner-list li{font-size:1.15rem}}.lean-banner .lean-banner-content .lean-banner-cta{text-align:center;margin-top:2rem}.lean-banner .lean-banner-content .lean-banner-btn{display:inline-block;font-size:1.125rem;font-weight:600;background:#007bff;color:#fff;text-decoration:none;padding:0.9rem 2rem;border-radius:0.5rem;transition:all 0.3s ease;box-shadow:0 0.25rem 0.6rem rgba(0,123,255,0.25)}.lean-banner .lean-banner-content .lean-banner-btn:hover{background:#0056b3;transform:translateY(-3px);box-shadow:0 0.4rem 0.8rem rgba(0,86,179,0.3)}@media (max-width: 768px){.lean-banner{padding:2rem 1.5rem}.lean-banner .lean-banner-content h3{font-size:1.6rem}.lean-banner .lean-banner-content p,.lean-banner .lean-banner-content li{font-size:1rem}}.glass_property-page{width:calc(96vw - 40px);max-width:1600px;margin:0 auto;padding:3.75rem 1.25rem;min-height:100vh;display:flex;justify-content:center;align-items:flex-start;background-repeat:no-repeat;background-size:cover;background-position:right center}.glass_property-page .glass_property-card{width:100%;max-width:100%;margin:2.5rem auto;padding:1.25rem 5vw;background:#fff;border-radius:0.625rem;box-shadow:0 0.25rem 0.625rem rgba(0,0,0,0.1);flex:1 1 100%}.glass_property-page .glass_property-card label{display:block;margin-bottom:0.5rem;line-height:1.2;color:#000}.glass_property-page h3{font-size:1.25rem;color:#007BFF;text-align:left;margin-top:1.25rem}.glass_property-page h3.quick-start{font-size:0.875rem;text-align:left}.glass_property-page h4{margin-top:0.625rem;font-size:1rem;color:#444}.glass_property-page p{font-size:1rem;color:#555;text-align:justify;margin-bottom:0.9375rem}.glass_property-page ul{padding-left:1.5em;margin-top:0.3125rem;font-size:0.9375rem;color:#555;list-style-position:outside}.glass_property-page ul li{margin-bottom:0.3125rem;text-align:left;padding-left:0;text-indent:0}.glass_property-page table{width:100%;border-collapse:collapse;margin-top:0.9375rem}.glass_property-page table th,.glass_property-page table td{border:1px solid #ccc;padding:0.375rem;text-align:left;vertical-align:top}.glass_property-page table thead{background-color:#f1f1f1}.glass_property-page table thead th{font-weight:bold}.glass_property-page #propertyWeightWarning{color:#c0392b;font-weight:600;margin-top:0.5rem}.glass_property-page .glass_property-card .glass_property-controls{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:0.6rem;background:#fff;padding:1rem;border-radius:0.5rem;box-shadow:0 0.25rem 0.75rem rgba(0,0,0,0.08);width:100%;max-width:100%}.glass_property-page .glass_property-card select{padding:0.4rem 0.75rem;font-size:0.95rem;border:1px solid #ccc;border-radius:0.375rem;background-color:#f9f9f9;transition:border-color 0.2s;flex:0 0 auto}.glass_property-page .glass_property-card select:focus{outline:none;border-color:#007BFF}.glass_property-page .glass_property-card button{background-color:#007bff;color:#fff;border:none;border-radius:0.375rem;padding:0.75rem 2.25rem;font-size:1rem;cursor:pointer;transition:background-color 0.3s, transform 0.1s;flex:0 0 auto;width:auto;white-space:nowrap}.glass_property-page .glass_property-card button:hover{background-color:#0056b3}.glass_property-page .glass_property-card button:active{transform:scale(0.96)}.glass_property-page #addOxideBtn{background-color:#007bff}.glass_property-page #calcMoleBtn{background-color:#28a745}.glass_property-page #clearTableBtn{background-color:#dc3545}.glass_property-page #restoreDefaultsBtn{background-color:#17a2b8}.glass_property-page #exportCsvBtn{background-color:#6c757d}@media (max-width: 768px){.glass_property-page .glass_property-card{flex-direction:column;gap:0.75rem}.glass_property-page .glass_property-card button,.glass_property-page .glass_property-card select{width:100%;text-align:center}}.glass_property-page #oxideSelect{appearance:none;padding:0.55rem 1rem;font-size:1.25rem;border:1px solid #0056b3;border-radius:0.4rem;min-width:12rem;background-color:#007bff;color:#fff;transition:all 0.25s ease}.glass_property-page #oxideSelect.selected{background-color:#0056b3;border-color:#003d80}.glass_property-page #oxideSelect:focus{outline:none;box-shadow:0 0 0 3px rgba(0,123,255,0.25)}.glass_property-page #oxideSelect option{color:#000;background-color:#fff}.glass_property-page #oxideSelect.resetting{animation:flashBlue 0.6s ease}@keyframes flashBlue{0%{background-color:#0056b3}50%{background-color:#007bff}100%{background-color:#007bff}}.glass_property-page #oxideSelect{appearance:none;-webkit-appearance:none;-moz-appearance:none;background-color:#007bff;color:#fff;border:1px solid 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.collab-card .collab-card-body .collab-role{margin:0 0 .5rem 0;font-size:.95rem;color:#4a5b7d}.collab-section .collab-card .collab-card-body .collab-bio{margin:0;font-size:.98rem;line-height:1.6;color:#444}.collab-section .collab-cta{margin-top:1.25rem;padding-top:1rem;border-top:1px solid #e8ebf3;text-align:center}.collab-section .collab-cta h4{margin:0 0 .25rem 0;font-size:1.2rem;font-weight:700;color:#0b2a7a}.collab-section .collab-cta p{margin:0 0 .75rem 0;color:#555;font-size:1rem}.collab-section .collab-cta .collab-btn{display:inline-block;text-decoration:none;font-size:1rem;font-weight:600;background:#007bff;color:#fff;padding:.65rem 1.1rem;border-radius:.5rem;transition:background .2s ease, transform .2s ease, box-shadow .2s ease;box-shadow:0 3px 10px rgba(0,123,255,0.25)}.collab-section .collab-cta .collab-btn:hover{background:#0056b3;transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,86,179,0.28)}.site-container{width:100%;margin:0 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a{color:#ffcc00;font-size:1rem;font-weight:300;text-decoration:none;text-shadow:0 0.0625rem 0.125rem rgba(0,0,0,0.35);line-height:1.2;white-space:normal}.hero-nav a.active{color:#E5E4E2;font-weight:500}.ribbon-inner{min-height:10rem;display:flex;align-items:center;justify-content:center;position:relative;padding-block:0.75rem}.brand{position:absolute;left:1rem;bottom:2.5rem;display:flex;align-items:flex-end;gap:0;margin:0;padding:0}.brand-link{display:inline-flex;align-items:flex-end;gap:0;text-decoration:none;color:inherit}.brand-logo{max-height:4.75rem;height:auto;width:auto;display:block;margin:0;padding:0}.brand span{margin-left:0}.brand h2{margin:0;padding:0}.site-name{font-family:"Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Georgia", serif;font-weight:400;font-size:1rem;margin-left:0.375rem;line-height:1;text-shadow:0 0.0625rem 0.125rem rgba(0,0,0,0.35);color:#ffcc00}.ribbon-title{font-family:"Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;font-weight:700;font-size:1.125rem;padding:0.5rem 1.125rem;border-radius:0.75rem;background:transparent;border:none;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);color:#fff;text-align:center;width:90%;max-width:56.25rem}:root{--ribbon-color-top: rgba(8, 80, 200, 1);--ribbon-color-bottom: rgba(5, 60, 160, 1)}.hero.site-ribbon{width:100%;height:10rem;background-image:linear-gradient(180deg, var(--ribbon-color-top), var(--ribbon-color-bottom)),var(--hero-image, none);background-size:cover, cover;background-position:center, center bottom;background-repeat:no-repeat, no-repeat;overflow:hidden;isolation:isolate;position:relative}.site-ribbon::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, var(--ribbon-color-top), var(--ribbon-color-bottom));pointer-events:none;z-index:0}.ribbon-inner{position:relative;z-index:1;padding-block-end:0.375rem}.logout-link{color:#9f9260;text-decoration:none;font-size:1rem;font-weight:400}.logout-link:hover{text-decoration:underline}main{padding-block:1.5rem;width:100%;max-width:100%}@media (min-width: 48rem){.site-container{padding-inline:2vw}.hero{height:35vh;min-height:12.5rem}.hero-nav a{font-size:1.25rem}.ribbon-inner{min-height:10rem}.brand{left:2vw;bottom:0.5rem}.brand-logo{max-height:4.75rem}.site-name{font-size:1.25rem}.ribbon-title{font-size:1.375rem}.hero.site-ribbon{height:10vh;min-height:10rem}}@media (min-width: 90rem){.site-container{padding-inline:1.75rem}.hero{height:25rem}.hero-nav a{font-size:1.5rem}.ribbon-inner{min-height:10rem}.brand{bottom:0.25rem}.brand-logo{max-height:7.5rem}.site-name{font-size:1.375rem}.ribbon-title{font-size:1.75rem}.hero.site-ribbon{height:10rem}}.raw_materials-page{width:calc(96vw - 40px);max-width:1600px;margin:0 auto;padding:1rem 1.25rem;min-height:100vh;display:flex;flex-direction:column;align-items:center;text-align:center;background-repeat:no-repeat;background-size:cover;background-position:center center;gap:0.75rem}.raw_materials-page .raw_materials-card{width:100%;max-width:100%;margin:2.5rem auto;padding:1.25rem 5vw;background:#fff;border-radius:0.625rem;box-shadow:0 0.25rem 0.625rem rgba(0,0,0,0.1);flex:1 1 100%;align-items:center;gap:0.75rem}.raw_materials-page .raw_materials-card label{display:block;margin-bottom:0.5rem;line-height:1.2;color:#000;text-align:left}.raw_materials-page h3{font-size:1.25rem;color:#007BFF;text-align:left;margin-top:1.25rem}.raw_materials-page h3.quick-start{font-size:0.9375rem;text-align:left}.raw_materials-page h4{margin-top:0.625rem;font-size:1rem;color:#444}.raw_materials-page p{font-size:1rem;color:#555;text-align:justify;margin-bottom:0.9375rem}.raw_materials-page ul{padding-left:1.5em;margin-top:0.3125rem;font-size:0.9375rem;color:#555;list-style-position:outside}.raw_materials-page ul li{margin-bottom:0.3125rem;text-align:left;padding-left:0;text-indent:0}.raw_materials-page table{width:100%;border-collapse:collapse;margin-top:0.9375rem}.raw_materials-page table th,.raw_materials-page table td{border:1px solid #ccc;padding:0.375rem;text-align:left;vertical-align:top}.raw_materials-page table thead{background-color:#f1f1f1}.raw_materials-page table thead th{font-weight:bold}.raw_materials-page #materialsWeightWarning{color:#c0392b;font-weight:600;margin-top:0.5rem}.raw_materials-page .materials-button-row{display:flex;flex-wrap:wrap;justify-content:center;gap:0.875rem;margin-top:1rem;margin-bottom:1rem;width:100%;max-width:100%}.raw_materials-page .materials-button-row button{font-size:0.95rem;padding:0.375rem 0.875rem;border:none;border-radius:0.5rem;cursor:pointer;color:#fff;transition:background-color 0.3s, opacity 0.2s;white-space:nowrap;box-sizing:border-box;min-width:8.75rem;max-width:12.5rem}.raw_materials-page .materials-button-row button:hover{opacity:0.9;background-color:#0056b3}.raw_materials-page .materials-button-row .wide-btn{min-width:11rem;max-width:15rem}.raw_materials-page #materialsAddRowBtn{background-color:#007bff}.raw_materials-page #materialsClearTableBtn{background-color:#dc3545}.raw_materials-page #materialsCalculatePercentagesBtn{background-color:#28a745}.raw_materials-page #materialsExportTableToCSVBtn{background-color:#6c757d}.raw_materials-page .materials-chart-row{display:flex;flex-wrap:wrap;justify-content:center;gap:1.25rem;margin-top:1.25rem}.raw_materials-page .materials-chart-container{flex:1 1 48%;max-width:50rem;min-width:18.75rem;padding:0.625rem}.raw_materials-page .raw_materials-card label{display:flex;text-align:right;margin-bottom:0.5rem;line-height:1.2;color:#000}.raw_materials-page .raw_materials-card select{width:90%;max-width:42.5rem;min-width:16.25rem;font-size:1rem;padding:0.625rem 2.5rem 0.625rem 1rem;border:1px solid #d0d0d0;border-radius:0.5rem;background:#f7f7f7;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24'%3E%3Cpath fill='%23666' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 0.875rem center;background-size:0.875rem}.raw_materials-page .raw_materials-card .raw_materials-card #materialTypeSelect,.raw_materials-page .raw_materials-card .raw_materials-card #materialNameSelect,.raw_materials-page .raw_materials-card .raw_materials-card #categorySelect,.raw_materials-page .raw_materials-card .raw_materials-card #propertySelect{display:block;margin:0 auto;margin-top:1.5rem}.raw_materials-page .raw_materials-card select:hover{background-color:#f2f2f2}.raw_materials-page .raw_materials-card select:focus{outline:none;border-color:#8ab4f8;box-shadow:0 0 0 0.1875rem rgba(138,180,248,0.35)}.raw_materials-page #output{font-size:1.5rem;color:#444;margin-bottom:0.75rem}.raw_materials-page #definitionBox{display:none;background-color:#eef6fb;padding:1.25rem;border-radius:0.5rem;font-size:1.5rem;line-height:1.6;color:#222;box-shadow:0 0.125rem 0.375rem rgba(0,0,0,0.05);text-align:left;font-family:"Segoe UI", Roboto, Helvetica, Arial, sans-serif}.raw_materials-page .raw-banner{width:100%;min-height:25vh;display:flex;align-items:center;justify-content:center;text-align:left;padding:3rem 2rem;background:linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);border-radius:0.75rem;box-shadow:0 0.25rem 0.75rem rgba(0,0,0,0.08);margin:2rem auto}.raw_materials-page .raw-banner .raw-banner-content{max-width:60rem;margin:0 auto}.raw_materials-page .raw-banner .raw-banner-content h3{font-size:1.75rem;font-weight:600;color:#9f9260;margin-bottom:1rem}@media (min-width: 768px){.raw_materials-page .raw-banner .raw-banner-content h3{font-size:2rem}}.raw_materials-page .raw-banner .raw-banner-content p{font-size:1.125rem;line-height:1.7;color:#333;margin-bottom:2rem}@media (min-width: 768px){.raw_materials-page .raw-banner .raw-banner-content p{font-size:1.25rem}}.raw_materials-page .raw-banner .raw-banner-content .raw-banner-link{display:inline-block;background:#007bff;color:#fff;font-weight:600;font-size:1.125rem;padding:0.75rem 1.5rem;border-radius:0.5rem;text-decoration:none;transition:all 0.3s ease}.raw_materials-page .raw-banner .raw-banner-content .raw-banner-link:hover{background:#0056b3;transform:translateY(-2px)}@media (max-width: 37.5rem){.raw_materials-page .materials-button-row button{padding:0.375rem 0.625rem;font-size:0.8125rem;min-width:6.25rem}}@media (min-width: 37.5625rem) and (max-width: 56.25rem){.raw_materials-page .materials-button-row button{padding:0.5rem 0.75rem;font-size:0.9375rem;min-width:7.5rem}}@media (min-width: 48rem){.raw_materials-page{padding:2.5rem 2rem;background-position:80% center}.raw_materials-page h3{font-size:1.375rem}.raw_materials-page h3.quick-start{font-size:1rem}.raw_materials-page h4{font-size:1.0625rem}.raw_materials-page p{font-size:1.0625rem}.raw_materials-page ul{font-size:1rem}.raw_materials-page .materials-button-row{gap:1rem;margin-top:1.25rem;margin-bottom:1.25rem}.raw_materials-page .materials-button-row button{font-size:1rem;min-width:9.375rem;max-width:13.75rem}.raw_materials-page .materials-button-row .wide-btn{min-width:12.5rem;max-width:16.25rem}}@media (min-width: 90rem){.raw_materials-page{padding:3.75rem 2.5rem;background-position:85% center}.raw_materials-page h3{font-size:1.5rem}.raw_materials-page h3.quick-start{font-size:1.125rem}.raw_materials-page h4{font-size:1.125rem}.raw_materials-page p{font-size:1.25rem}.raw_materials-page ul{font-size:1.125rem}.raw_materials-page .materials-button-row{gap:1.125rem}.raw_materials-page .materials-button-row button{font-size:1.125rem;min-width:11.25rem;max-width:15rem}.raw_materials-page .materials-button-row .wide-btn{min-width:13.75rem;max-width:18.75rem}.raw_materials-page .materials-chart-container{max-width:50rem}}.sieve_analysis-page{--card-max: 100rem;--radius: 0.625rem;--shadow: 0 0.25rem 0.625rem rgba(0, 0, 0, 0.1);--gap-sm: 0.75rem;--gap-md: 1rem}.sieve_analysis-page{width:calc(96vw - 40px);max-width:1600px;margin:0 auto;padding:3.75rem clamp(1.25rem, 6vw, 3rem);min-height:100vh;display:flex;flex-direction:column;align-items:center;text-align:center;background-repeat:no-repeat;background-size:cover;background-position:60% center;gap:0.75rem}.sieve_analysis-card{width:100%;margin:2.5rem auto;padding:1.25rem clamp(3rem, 6vw, 6rem);background:#fff;border-radius:0.625rem;box-shadow:0 0.25rem 0.625rem rgba(0,0,0,0.1);flex:1 1 100%;align-items:center;gap:0.75rem}.sieve_analysis-page h1{font-size:1.4rem;line-height:1.2}.sieve_analysis-page h2{font-size:1.25rem;line-height:1.25}.sieve_analysis-page h3{font-size:1.25rem;color:#007bff;text-align:left;margin-top:1.25rem}.sieve_analysis-page h3.quick-start{font-size:0.875rem;text-align:left}.sieve_analysis-page h4{margin-top:0.625rem;font-size:1rem;color:#444}.sieve_analysis-page p{font-size:1rem;color:#555;text-align:justify;margin-bottom:0.9375rem}.sieve_analysis-page ul{padding-left:1.5em;margin-top:0.3125rem;font-size:0.9375rem;color:#555;list-style-position:outside}.sieve_analysis-page ul li{margin-bottom:0.3125rem;text-align:left;padding-left:0;text-indent:0}.sieve_analysis-page .sieve-table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.sieve_analysis-page table{width:100%;border-collapse:collapse;margin-top:0.9375rem;min-width:40rem}.sieve_analysis-page table th,.sieve_analysis-page table td{border:1px solid #ccc;padding:0.5rem;text-align:left;vertical-align:middle;white-space:nowrap}.sieve_analysis-page table thead{background-color:#f1f1f1}.sieve_analysis-page table thead th{font-weight:600;font-size:0.95rem}.sieve_analysis-page table td input[type="text"],.sieve_analysis-page table td input[type="number"]{margin:0;border:1px solid #ddd;border-radius:0.25rem;padding:0.375rem 0.5rem;width:100%;min-width:5ch;background:#fff}.sieve_analysis-page table .remove-row-btn{border:0;background:#dc3545;color:#fff;border-radius:0.375rem;padding:0.25rem 0.625rem;cursor:pointer;transition:opacity 0.2s}.sieve_analysis-page table .remove-row-btn:hover{opacity:0.9}.sieve_analysis-page .sieve-button-row{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--gap-sm);margin-top:var(--gap-md);margin-bottom:var(--gap-md);width:100%;max-width:100%}.sieve_analysis-page .sieve-button-row .sieve-button,.sieve_analysis-page .sieve-button-row button{font-size:0.95rem;padding:0.375rem 0.875rem;border:none;border-radius:0.5rem;cursor:pointer;color:#fff;transition:background-color 0.3s, opacity 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h3{font-size:2rem;font-weight:600;color:#004aad;margin-bottom:1rem}@media (min-width: 768px){.signin-banner .signin-banner-content h3{font-size:2.25rem}}.signin-banner .signin-banner-content p{font-size:1.125rem;line-height:1.7;color:#444;margin-bottom:2rem}@media (min-width: 768px){.signin-banner .signin-banner-content p{font-size:1.25rem}}.signin-banner .signin-banner-content .signin-banner-btn{display:inline-block;background-color:#007bff;color:#fff;font-size:1.125rem;font-weight:600;text-decoration:none;border-radius:0.5rem;padding:0.75rem 1.75rem;transition:background-color 0.3s ease}.signin-banner .signin-banner-content .signin-banner-btn:hover{background-color:#0056b3}.flash-banner{width:100%;padding:0.75rem 1rem;margin:1.5625rem 0;border-radius:0.375rem;font-size:1.5rem;font-weight:400;line-height:2.3;color:black;text-align:center;vertical-align:middle;animation:fadeOut 5s forwards}@keyframes fadeOut{0%,85%{opacity:1}100%{opacity:0}}html,body{margin:0;padding:0;width:100%;max-width:100%;overflow-x:clip;box-sizing:border-box;font-family:Arial, sans-serif;background-color:#f9f9f9;touch-action:pan-y;overscroll-behavior-x:none}body{overscroll-behavior:contain}.site-container,main.site-container,.hero,.home-grid,.site-container{max-width:100%;overflow-x:clip}*,*::before,*::after{box-sizing:inherit;min-width:0}img,video,canvas,svg{max-width:100%;height:auto;display:block}p,li,a,h1,h2,h3,h4,h5,h6{overflow-wrap:anywhere;word-break:break-word}.site-container{width:100%;margin:0 auto;padding-inline:0.75rem;max-width:100%}.hero{width:100%;height:12.5rem;background-image:var(--hero-image, none);background-size:cover;background-position:center bottom;background-repeat:no-repeat;position:relative;overflow:hidden;isolation:isolate}body.pages-home .hero{--hero-image: image-url(/header_home.png)}body.pages-batch-calculation .hero{--hero-image: image-url(/header_batch.png)}body.pages-sieve-analysis .hero{--hero-image: image-url(/header_sieve.png)}body.pages-raw-materials .hero{--hero-image: image-url(/header_raw.png)}body.pages-glass-property .hero{--hero-image: image-url(/header_glass.png)}.hero-inner{position:relative;width:100%;height:100%;max-width:100%}.hero-nav{position:absolute;top:1rem;right:0;display:flex;flex-wrap:wrap;gap:1.5625rem;max-width:100%;padding:0.5rem 0.75rem;border-radius:0.5rem;backdrop-filter:blur(2px);background:transparent;border:none;-webkit-backdrop-filter:blur(2px);align-items:center}.hero-nav a{color:#ffcc00;font-size:1rem;font-weight:400;text-decoration:none;text-shadow:0 0.0625rem 0.125rem rgba(0,0,0,0.35);line-height:1.2;white-space:normal}main{padding-block:1.5rem;width:100%;max-width:100%}.ribbon-inner{min-height:3.125rem;display:flex;align-items:center;justify-content:center;position:relative;padding-block:0.75rem}.brand{position:absolute;left:1rem;bottom:-0.625rem;display:flex;align-items:flex-end;gap:0;margin:0;padding:0}.brand-link{display:inline-flex;align-items:flex-end;gap:0;text-decoration:none;color:inherit}.brand-logo{max-height:2.75rem;height:auto;width:auto;display:block;margin:0;padding:0}.brand span{margin-left:-0.25rem}.brand h2{margin:0;padding:0}.site-name{font-family:"Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Georgia", serif;font-weight:400;font-size:1rem;line-height:1;text-shadow:0 0.0625rem 0.125rem rgba(0,0,0,0.35);color:#ffcc00;margin:0}.ribbon-title{font-family:"Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;font-weight:700;font-size:1.125rem;padding:0.5rem 1.125rem;border-radius:0.75rem;background:transparent;border:none;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);color:#fff;text-align:center;width:90%;max-width:56.25rem}:root{--ribbon-color-top: rgba(8, 80, 200, 1);--ribbon-color-bottom: rgba(5, 60, 160, 1)}.hero.site-ribbon{width:100%;height:6.25rem;background-image:linear-gradient(180deg, var(--ribbon-color-top), var(--ribbon-color-bottom)),var(--hero-image, none);background-size:cover, cover;background-position:center, center bottom;background-repeat:no-repeat, no-repeat;overflow:hidden;isolation:isolate;position:relative}.site-ribbon::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, var(--ribbon-color-top), var(--ribbon-color-bottom))}html{font-size:67%;text-size-adjust:100%;-webkit-text-size-adjust:100%}@media (min-width: 1200px){html{font-size:70%}}