.tool-section-material-options .tool-section-header{font-size:1.3rem!important;font-weight:700!important}.column-left .tool-section:last-of-type .tool-section-header{font-size:1.2rem!important;font-weight:700!important}label[for="materialType"]{font-size:1.2rem!important;font-weight:700!important;margin-bottom:8px!important}#materialType{font-size:1.1rem!important;font-weight:500!important;padding:12px 30px 12px 15px!important}#materialType option{font-size:1.05rem!important;padding:12px 15px!important}.column-left .tool-section:last-of-type .toggle-label{font-size:1.05rem!important;font-weight:700!important}.shape-reference-caption{font-size:1.1rem!important;font-weight:700!important}#metal-weight-calculator .mwc-container *{box-sizing:border-box}#metal-weight-calculator .mwc-container{font-family:Arial,sans-serif;line-height:1.6;color:#2c3e50;max-width:1100px;margin:0 auto;padding:15px;background-color:#fff;--primary-color:#003366;--secondary-color:#FF8C00;--accent-color:#0066CC;--light-bg:#f4f8fb;--border-color:#d0e0f0;--text-color:#2c3e50;--light-text:#fff;--section-bg:#f0f5fa}#metal-weight-calculator .mwc-container .calculator{background-color:var(--light-bg);border-radius:8px;padding:0;box-shadow:0 0 10px rgba(0,0,0,.1);border:1px solid var(--border-color)}#metal-weight-calculator .mwc-container .header-container{background-color:var(--primary-color);padding:10px 15px;border-radius:4px 4px 0 0;margin-bottom:20px}#metal-weight-calculator .mwc-container h1{color:var(--light-text);margin:0;font-weight:bold;font-size:1.1rem;text-transform:uppercase}#metal-weight-calculator .calculator-grid{display:grid;grid-template-columns:minmax(230px,22%) minmax(400px,48%) minmax(200px,30%);gap:15px}#metal-weight-calculator .column-left,#metal-weight-calculator .column-middle,#metal-weight-calculator .column-right{display:flex;flex-direction:column;gap:15px}#metal-weight-calculator .mwc-container input,#metal-weight-calculator .mwc-container select,#metal-weight-calculator .mwc-container button{font-family:inherit;font-size:inherit;line-height:inherit}#metal-weight-calculator .mwc-container .tool-section{margin-bottom:15px;background-color:white;border-radius:6px;border:1px solid var(--border-color);box-shadow:0 2px 4px rgba(0,0,0,.05);transition:box-shadow .3s ease}#metal-weight-calculator .mwc-container .tool-section:hover{box-shadow:0 3px 8px rgba(0,0,0,.08)}#metal-weight-calculator .mwc-container .tool-section-header{background-color:var(--primary-color);color:white;padding:10px 15px;border-radius:5px 5px 0 0;font-weight:bold;position:relative;overflow:hidden}#metal-weight-calculator .mwc-container .tool-section-header::before{content:'';position:absolute;top:0;left:0}#metal-weight-calculator .mwc-container .tool-section-content{padding:5px;position:relative}#metal-weight-calculator .mwc-container .input-group{margin-bottom:10px}#metal-weight-calculator .mwc-container .input-group label{display:block;margin-bottom:5px;font-size:1.15rem;font-weight:700;color:#092C5B}#metal-weight-calculator .mwc-container .input-group input,#metal-weight-calculator .mwc-container .input-group select{width:100%;padding:4px 2px;border:1px solid var(--border-color);border-radius:4px;font-size:1rem;transition:border-color .2s,box-shadow .2s}#metal-weight-calculator .mwc-container input[type="number"],#metal-weight-calculator .mwc-container select{transition:border-color .2s,box-shadow .2s}#metal-weight-calculator .mwc-container input[type="number"]:focus,#metal-weight-calculator .mwc-container select:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px rgba(0,102,204,.15)}#metal-weight-calculator .mwc-container input[type="number"]::placeholder{color:#889;opacity:1}#metal-weight-calculator .mwc-container input[type="number"]{padding:12px 10px;font-size:16px}#metal-weight-calculator .mwc-container .shape-selector{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:0}#metal-weight-calculator .mwc-container .shape-item{display:flex;flex-direction:column;align-items:center;justify-content:space-between;background-color:white;border:1px solid var(--border-color);border-radius:4px;padding:8px 4px;cursor:pointer;transition:all .2s ease;position:relative;min-height:80px}#metal-weight-calculator .mwc-container .shape-item .shape-icon{flex:1;display:flex;align-items:center;justify-content:center;width:100%;max-height:60%;margin-bottom:4px}#metal-weight-calculator .mwc-container .shape-item .shape-icon img{max-width:100%;max-height:100%;object-fit:contain}#metal-weight-calculator .mwc-container .shape-item .shape-label{width:100%;text-align:center;font-size:clamp(10px,2.2vw,12px);line-height:1.2;font-weight:600;color:var(--text-color);margin-top:auto;padding-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:font-size .2s ease}@media (max-width:1200px){#metal-weight-calculator .mwc-container .shape-item .shape-label{font-size:clamp(8px,.8vw,11px)}}@media (max-width:992px){#metal-weight-calculator .mwc-container .shape-item .shape-label{font-size:clamp(7px,1vw,10px)}}@media (max-width:768px){#metal-weight-calculator .mwc-container .shape-selector{grid-template-columns:repeat(3,1fr)}#metal-weight-calculator .mwc-container .shape-item .shape-label{font-size:clamp(9px,2.3vw,11px)}}@media (max-width:576px){#metal-weight-calculator .mwc-container .shape-selector{grid-template-columns:repeat(3,1fr)}#metal-weight-calculator .mwc-container .shape-item .shape-label{font-size:clamp(9px,2.5vw,11px)}#metal-weight-calculator .mwc-container .shape-item{min-height:90px}}@media (max-width:360px){#metal-weight-calculator .mwc-container .shape-item{min-height:80px}#metal-weight-calculator .mwc-container .shape-item .shape-label{font-size:clamp(8px,2.5vw,10px)}}#metal-weight-calculator .mwc-container .shape-item.active{border-color:var(--accent-color);background-color:rgba(0,102,204,.05);box-shadow:0 0 0 2px rgba(0,102,204,.3)}#metal-weight-calculator .mwc-container .shape-item:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.1)}#metal-weight-calculator .mwc-container .shape-item.active .shape-label{color:var(--accent-color);font-weight:600}#metal-weight-calculator .mwc-container .shape-icon{margin-bottom:6px;display:flex;align-items:center;justify-content:center;height:32px}#metal-weight-calculator .mwc-container .shape-icon svg{width:24px;height:24px;color:var(--primary-color)}#metal-weight-calculator .mwc-container .shape-name{font-size:.85rem;color:var(--text-color);font-weight:600;line-height:1.1;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:0 2px}@media (min-width:993px){#metal-weight-calculator .mwc-container .shape-selector{grid-template-columns:repeat(3,1fr);gap:8px}#metal-weight-calculator .mwc-container .shape-item{padding:10px 8px}#metal-weight-calculator .mwc-container .shape-icon{height:36px;margin-bottom:8px}#metal-weight-calculator .mwc-container .shape-icon svg{width:28px;height:28px}#metal-weight-calculator .mwc-container .shape-name{font-size:clamp(.75rem,.8vw,.85rem);white-space:normal;line-height:1.2}}@media (max-width:992px) and (min-width:769px){#metal-weight-calculator .mwc-container .shape-selector{grid-template-columns:repeat(4,1fr)}}@media (max-width:768px) and (min-width:481px){#metal-weight-calculator .mwc-container .shape-selector{grid-template-columns:repeat(3,1fr)}}@media (max-width:480px){#metal-weight-calculator .mwc-container .shape-selector{grid-template-columns:repeat(3,1fr);gap:5px}#metal-weight-calculator .mwc-container .shape-item{padding:6px 4px}#metal-weight-calculator .mwc-container .shape-icon{height:28px;margin-bottom:4px}#metal-weight-calculator .mwc-container .shape-icon svg{width:22px;height:22px}#metal-weight-calculator .mwc-container .shape-name{font-size:clamp(.75rem,2vw,.8rem);white-space:nowrap}}#metal-weight-calculator .mwc-container .custom-dropdown{position:relative;width:100%}#metal-weight-calculator .mwc-container .custom-dropdown-button{display:flex;align-items:center;justify-content:space-between;padding:8px;border:1px solid var(--border-color);border-radius:4px;background-color:#fff;cursor:pointer}#metal-weight-calculator .mwc-container .custom-dropdown-menu{display:none;position:absolute;top:100%;left:0;right:0;background-color:#fff;border:1px solid var(--border-color);border-radius:4px;max-height:200px;overflow-y:auto;z-index:10}#metal-weight-calculator .mwc-container .custom-dropdown-menu.show{display:block}#metal-weight-calculator .mwc-container .dropdown-option{display:flex;align-items:center;justify-content:space-between;padding:8px;cursor:pointer}#metal-weight-calculator .mwc-container .dropdown-option:hover,#metal-weight-calculator .mwc-container .dropdown-option.selected{background-color:var(--light-bg)}#metal-weight-calculator .mwc-container .toggle-container{display:flex;align-items:center;justify-content:space-between;margin:8px 0;padding:5px 0}#metal-weight-calculator .mwc-container .toggle-label{margin-right:10px;font-size:.95rem;flex-grow:1}#metal-weight-calculator .mwc-container .switch{position:relative;display:inline-block;width:40px;height:20px;flex-shrink:0}#metal-weight-calculator .mwc-container .switch input{opacity:0;width:0;height:0}#metal-weight-calculator .mwc-container .slider{position:absolute;top:0;left:0;right:0;bottom:0;background-color:#ccc;border-radius:20px;transition:.4s}#metal-weight-calculator .mwc-container .slider:before{position:absolute;content:"";height:16px;width:16px;left:2px;bottom:2px;background-color:white;border-radius:50%;transition:.4s}#metal-weight-calculator .mwc-container input:checked + .slider{background-color:var(--accent-color)}#metal-weight-calculator .mwc-container input:checked + .slider:before{transform:translateX(20px)}#metal-weight-calculator .mwc-container .action-button{padding:8px 15px;background-color:var(--secondary-color);color:var(--light-text);border:none;border-radius:4px;cursor:pointer}#metal-weight-calculator .mwc-container .action-button:hover{background-color:var(--accent-color)}#metal-weight-calculator .mwc-container #calculateButton{width:100%;padding:14px;background-color:var(--secondary-color);color:var(--light-text);border:none;border-radius:6px;cursor:pointer;margin-top:15px;font-size:1.1rem;font-weight:bold;text-transform:uppercase;letter-spacing:.5px;box-shadow:0 3px 6px rgba(0,0,0,.16);transition:all .2s ease;position:relative;z-index:5}#metal-weight-calculator .mwc-container #calculateButton:hover{background-color:var(--accent-color);transform:translateY(-2px);box-shadow:0 5px 10px rgba(0,0,0,.2)}#metal-weight-calculator .mwc-container #calculateButton:active{transform:translateY(1px);box-shadow:0 2px 4px rgba(0,0,0,.1)}#metal-weight-calculator .mwc-container #calculateButton::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(rgba(255,255,255,.1),transparent);border-radius:6px;z-index:-1}@keyframes pulseAttention{0%{box-shadow:0 3px 6px rgba(0,0,0,.16)}50%{box-shadow:0 3px 12px rgba(255,140,0,.3)}100%{box-shadow:0 3px 6px rgba(0,0,0,.16)}}#metal-weight-calculator .mwc-container .input-changed #calculateButton:not(.sticky-calculate-btn){animation:pulseAttention 1.5s infinite}#metal-weight-calculator .mwc-container .loader{display:none;width:20px;height:20px;border:3px solid #f3f3f3;border-top:3px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin:10px auto}#metal-weight-calculator .mwc-container .result{padding:10px;background-color:#fff;border-radius:4px;margin-top:10px}#metal-weight-calculator .mwc-container .final-weight{animation:fadeIn .4s ease;padding:18px 15px;background-color:#eaf6ff;border-radius:6px;margin:15px 0;font-size:1.3rem;font-weight:600;text-align:center;border-left:4px solid var(--accent-color);position:relative;overflow:hidden;line-height:1.4}#metal-weight-calculator .mwc-container .final-weight .units-tons{font-size:1em;font-weight:500;color:#333;margin-left:5px}#metal-weight-calculator .mwc-container .final-weight::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent-color),transparent)}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}#metal-weight-calculator .mwc-container .collapsible-section{margin-top:20px}#metal-weight-calculator .mwc-container .collapsible-header{background-color:var(--section-bg);padding:8px 15px;border-radius:4px;cursor:pointer;font-weight:bold;position:relative;padding-right:30px;transition:background-color .2s ease}#metal-weight-calculator .mwc-container .collapsible-header:hover{background-color:#e0e8f0}#metal-weight-calculator .mwc-container .collapsible-header:after{content:"▼";position:absolute;right:15px;font-size:12px;color:var(--accent-color);transition:transform .2s ease}#metal-weight-calculator .mwc-container .collapsible-section.active .collapsible-content{display:block}#metal-weight-calculator .mwc-container .saved-calc-item{margin-bottom:10px;border-bottom:1px solid var(--border-color);border-left:3px solid transparent;transition:border-left-color .2s ease,background-color .2s ease}#metal-weight-calculator .mwc-container .saved-calc-header{cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:8px 5px;border-radius:4px;transition:background-color .2s ease}#metal-weight-calculator .mwc-container .saved-calc-header:hover{background-color:#f0f5fa}#metal-weight-calculator .mwc-container .saved-calc-item:hover{border-left-color:var(--accent-color);background-color:#f9f9f9}#metal-weight-calculator .mwc-container .toggle-icon{color:var(--accent-color);font-weight:bold;margin-left:5px;border:1px solid var(--accent-color);border-radius:50%;width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;transition:background-color .2s ease,color .2s ease}#metal-weight-calculator .mwc-container .saved-calc-header:hover .toggle-icon{background-color:var(--accent-color);color:white}#metal-weight-calculator .mwc-container .saved-calc-summary{margin:5px 0}#metal-weight-calculator .mwc-container .saved-calc-details{padding:10px;background-color:#fff;border-radius:4px}#metal-weight-calculator .mwc-container .load-calculation-btn{margin-top:10px;padding:8px 12px;background-color:var(--accent-color);color:var(--light-text);border:none;border-radius:4px;cursor:pointer;font-size:.9rem;width:100%}#metal-weight-calculator .mwc-container .error-message{color:red;font-size:.9rem;margin-top:5px}#metal-weight-calculator .mwc-container .shape-reference{border:1px solid var(--border-color);border-radius:4px;padding:15px;background-color:white;text-align:center}#metal-weight-calculator .mwc-container .shape-reference img{max-width:100%;height:auto;border-radius:4px;display:block;margin:0 auto;object-fit:contain}#metal-weight-calculator .mwc-container .shape-reference-caption{margin-top:10px;font-size:.9rem;color:#555}#metal-weight-calculator .mwc-container .collapsible-header:after{content:"▼";position:absolute;right:15px;font-size:12px;color:var(--accent-color);transition:transform .2s ease}#metal-weight-calculator .mwc-container .collapsible-section.active .collapsible-header:after{transform:rotate(180deg);content:"▼"}#metal-weight-calculator .mwc-container .collapsible-content{display:none;padding:15px;transition:all .3s ease}#metal-weight-calculator .mwc-container .collapsible-section.active .collapsible-content{display:block}#metal-weight-calculator .mwc-container .mobile-collapsible .tool-section-header{cursor:pointer;position:relative}#metal-weight-calculator .mwc-container .mobile-collapsible .tool-section-header:after{content:"▼";position:absolute;right:15px;top:50%;transform:translateY(-50%);font-size:12px;transition:transform .3s}#metal-weight-calculator .mwc-container .mobile-collapsible.active .tool-section-header:after{transform:translateY(-50%) rotate(180deg)}#metal-weight-calculator .mwc-container .mobile-collapsible .tool-section-content{display:none}#metal-weight-calculator .mwc-container .mobile-collapsible.active .tool-section-content{display:block}@media (max-width:992px){#metal-weight-calculator .mwc-container{padding:0}.calculator-grid{grid-template-columns:1fr;gap:0}#metal-weight-calculator .mwc-container .tool-section{margin-bottom:0;background-color:transparent;border-radius:0;border:none;box-shadow:none;border-bottom:1px solid var(--border-color);padding:5px 0}#metal-weight-calculator .mwc-container .tool-section-content{padding:8px 10px}#metal-weight-calculator .mwc-container .shape-selector{grid-template-columns:repeat(3,1fr)}#metal-weight-calculator .mwc-container .collapsible-section.saved-calculations-section .collapsible-content{display:none}#metal-weight-calculator .mwc-container .collapsible-section.saved-calculations-section.active .collapsible-content{display:block}}@media (max-width:600px){#metal-weight-calculator .mwc-container .calculator{width:100%;padding:0}#metal-weight-calculator .mwc-container .shape-selector{grid-template-columns:repeat(3,1fr);gap:5px}#metal-weight-calculator .mwc-container .shape-item{padding:8px 4px}#metal-weight-calculator .mwc-container .shape-icon{height:36px;margin-bottom:6px}#metal-weight-calculator .mwc-container .shape-icon svg{width:28px;height:28px}#metal-weight-calculator .mwc-container .action-button,#metal-weight-calculator .mwc-container .load-calculation-btn{padding:12px;font-size:1rem;margin:5px 0}#metal-weight-calculator .mwc-container .saved-calc-item{margin-bottom:8px}#metal-weight-calculator .mwc-container .saved-calc-header{padding:10px 8px}#metal-weight-calculator .mwc-container .load-more-calculations{display:block;width:100%;padding:10px;background-color:var(--light-bg);color:var(--accent-color);text-align:center;border:1px solid var(--border-color);border-radius:4px;margin-top:10px;cursor:pointer;font-weight:500}}@media (max-width:768px){#metal-weight-calculator .mwc-container .sticky-calculate-btn{position:fixed;bottom:10px;left:10px;right:10px;width:auto;max-width:calc(100% - 20px);z-index:100;box-shadow:0 -2px 10px rgba(0,0,0,.2);background-color:var(--secondary-color);border-radius:8px;padding:16px;margin:0;font-size:1.1rem;font-weight:bold;text-transform:uppercase;letter-spacing:.5px;transition:all .3s ease}#metal-weight-calculator .mwc-container .sticky-calculate-btn:hover{transform:translateY(-2px);box-shadow:0 -4px 15px rgba(0,0,0,.25)}#metal-weight-calculator .mwc-container .sticky-calculate-btn:active{transform:translateY(1px);box-shadow:0 -1px 5px rgba(0,0,0,.15)}#metal-weight-calculator .mwc-container .calculator.has-sticky-button{padding-bottom:80px}#metal-weight-calculator .mwc-container .final-weight{font-size:1.2rem;padding:15px;margin:12px 0;background-color:#e6f7ff;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1);border-left:4px solid var(--accent-color);text-align:center;animation:fadeIn .4s ease}#metal-weight-calculator .mwc-container .final-weight .units-tons{font-size:.85em}#metal-weight-calculator .mwc-container .load-more-calculations{padding:12px;font-size:1em;background-color:var(--light-bg);color:var(--accent-color);text-align:center;border:1px solid var(--border-color);border-radius:4px;margin-top:10px;cursor:pointer;font-weight:500;transition:all .2s ease}#metal-weight-calculator .mwc-container .load-more-calculations:active{background-color:var(--accent-color);color:white}#metal-weight-calculator .mwc-container .saved-calculations-container .saved-calc-item:nth-child(n+4){display:none}#metal-weight-calculator .mwc-container .saved-calculations-container.expanded .saved-calc-item:nth-child(n+4){display:block}#metal-weight-calculator .mwc-container .saved-calc-header{padding:12px;min-height:48px}#metal-weight-calculator .mwc-container .toggle-icon{width:24px;height:24px;font-size:16px}#metal-weight-calculator .mwc-container .saved-calculations-container{margin-top:15px}#metal-weight-calculator .mwc-container .saved-calc-item{margin-bottom:12px}#metal-weight-calculator .mwc-container .calculation-steps{font-size:.85rem}}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}@keyframes highlight{0%{background-color:rgba(0,102,204,.2)}100%{background-color:transparent}}#metal-weight-calculator .mwc-container .calculation-steps{background-color:#f9f9f9;padding:10px;border-radius:4px;border:1px solid var(--border-color);font-size:1rem}@media (max-width:768px){#metal-weight-calculator .mwc-container .calculation-steps{font-size:.9rem}}#metal-weight-calculator .mwc-container .calculation-steps{background-color:#f9f9f9;padding:15px;border-radius:8px;border:1px solid var(--border-color);font-size:.9rem;line-height:1.6;max-width:100%;box-shadow:0 1px 3px rgba(0,0,0,.05)}#metal-weight-calculator .mwc-container .calculation-steps .step-header{font-weight:600;margin:12px 0 8px;padding:6px 0;color:var(--accent-color);border-bottom:1px solid rgba(0,102,204,.2)}#metal-weight-calculator .mwc-container .calculation-steps .step-header:first-child{margin-top:0}#metal-weight-calculator .mwc-container .calculation-steps .step-content{margin-left:4px;margin-bottom:4px;padding:4px 0;word-wrap:break-word;overflow-wrap:break-word}#metal-weight-calculator .mwc-container .calculation-steps .value{color:#2c3e50;font-weight:500}#metal-weight-calculator .mwc-container .calculation-steps .final-calculation{background-color:rgba(0,102,204,.05);padding:6px 8px;border-radius:4px;margin-top:8px;font-weight:500}@media (max-width:768px){#metal-weight-calculator .mwc-container .calculation-steps{padding:12px;font-size:.85rem;line-height:1.5}#metal-weight-calculator .mwc-container .calculation-steps .step-header{padding:4px 0}}@media (max-width:768px){#metal-weight-calculator .mwc-container .shape-item,#metal-weight-calculator .mwc-container .action-button,#metal-weight-calculator .mwc-container #calculateButton{min-width:48px;min-height:48px;padding:12px}#metal-weight-calculator .mwc-container .shape-selector{gap:10px}#metal-weight-calculator .mwc-container .input-group{margin-bottom:15px;padding:10px;border:1px solid var(--border-color);border-radius:6px;background-color:#fff}#metal-weight-calculator .mwc-container #clearDimensions{width:100%;padding:12px;margin:10px 0;background-color:#f8f9fa;border:1px solid #dc3545;color:#dc3545;border-radius:6px;font-weight:500;transition:all .2s ease}#metal-weight-calculator .mwc-container #clearDimensions:active{background-color:#dc3545;color:#fff}#metal-weight-calculator .mwc-container .switch{width:52px;height:26px}#metal-weight-calculator .mwc-container .slider:before{height:20px;width:20px}#metal-weight-calculator .mwc-container select{height:48px;font-size:16px}#metal-weight-calculator .mwc-container #calculateButton{padding:16px;font-size:1.1rem}#metal-weight-calculator .mwc-container input[type="number"],#metal-weight-calculator 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