.sthwtz2026x-container{all:initial;display:block}.sthwtz2026x-container *{box-sizing:border-box!important;font-family:'Poppins',Arial,sans-serif!important;font-weight:normal!important}.sthwtz2026x-container p,.sthwtz2026x-container span,.sthwtz2026x-container div,.sthwtz2026x-container li,.sthwtz2026x-container label,.sthwtz2026x-container input,.sthwtz2026x-container select{font-weight:normal!important}.sthwtz2026x-container strong,.sthwtz2026x-container b{font-weight:700!important}.sthwtz2026x-container h1,.sthwtz2026x-container h2,.sthwtz2026x-container h3,.sthwtz2026x-container h4,.sthwtz2026x-container h5{font-weight:600!important}.sthwtz2026x-container input,.sthwtz2026x-container select,.sthwtz2026x-container button{-webkit-appearance:none!important;-moz-appearance:none!important;appearance:none!important;background-image:none!important;border-radius:12px!important}.sthwtz2026x-container button{cursor:pointer!important}.sthwtz2026x-container{width:100%!important;margin:0 auto!important;padding:0!important;color:#222}.sthwtz2026x-dark .sthwtz2026x-card-header{background:#1e1e2e}.sthwtz2026x-dark .sthwtz2026x-card-header h2{color:#e0e0e0}.sthwtz2026x-dark .sthwtz2026x-card-header p{color:#aaa}.sthwtz2026x-dark .sthwtz2026x-input-section{background:#1e1e2e}.sthwtz2026x-dark .sthwtz2026x-input-group input,.sthwtz2026x-dark .sthwtz2026x-input-group select{background:#2a2a3e;border-color:#444;color:#e0e0e0}.sthwtz2026x-dark .sthwtz2026x-input-group label{color:#90caf9}.sthwtz2026x-dark .sthwtz2026x-section-heading h4{color:#90caf9;border-color:#90caf9}.sthwtz2026x-dark .sthwtz2026x-result-container{background:#1e1e2e}.sthwtz2026x-dark .sthwtz2026x-result-container h3{color:#90caf9}.sthwtz2026x-dark .sthwtz2026x-result-card{background:#2a2a3e}.sthwtz2026x-dark .sthwtz2026x-result-title{color:#aaa}.sthwtz2026x-dark .sthwtz2026x-result-value{color:#e0e0e0}.sthwtz2026x-dark .sthwtz2026x-result-unit{color:#aaa}.sthwtz2026x-dark .sthwtz2026x-breakdown-section{background:#1a2a3a}.sthwtz2026x-dark .sthwtz2026x-breakdown-section h4{color:#90caf9}.sthwtz2026x-dark .sthwtz2026x-breakdown-section li{color:#90caf9}.sthwtz2026x-dark .sthwtz2026x-calculation-steps{background:#2a1a3a}.sthwtz2026x-dark .sthwtz2026x-calculation-steps h4{color:#ce93d8}.sthwtz2026x-dark .sthwtz2026x-steps-content{color:#ce93d8}.sthwtz2026x-dark .sthwtz2026x-steps-content strong{color:#e1bee7}.sthwtz2026x-dark .sthwtz2026x-educational-info{background:linear-gradient(135deg,#1a2e1a,#1a3a1a)}.sthwtz2026x-dark .sthwtz2026x-educational-info h4{color:#81c784}.sthwtz2026x-dark .sthwtz2026x-educational-info p,.sthwtz2026x-dark .sthwtz2026x-educational-info li{color:#a5d6a7}.sthwtz2026x-dark .sthwtz2026x-comparison-table{background:#2a2010}.sthwtz2026x-dark .sthwtz2026x-comparison-table h4{color:#ffb74d}.sthwtz2026x-dark .sthwtz2026x-comparison-table th{background:#3a2e10;color:#ffb74d}.sthwtz2026x-dark .sthwtz2026x-comparison-table td{color:#ffcc80}.sthwtz2026x-dark .sthwtz2026x-comparison-table th,.sthwtz2026x-dark .sthwtz2026x-comparison-table td{border-color:#4a3e20}.sthwtz2026x-dark .sthwtz2026x-comparison-table tr:hover td{background:#3a2e15}.sthwtz2026x-dark .sthwtz2026x-warning-box{background:#2a2010;border-color:#f57c00}.sthwtz2026x-dark .sthwtz2026x-warning-box p{color:#ffcc80}.sthwtz2026x-dark .sthwtz2026x-toast{background:#333}.sthwtz2026x-dark .sthwtz2026x-quick-btn{background:#2a2a3e;border-color:#444;color:#90caf9}.sthwtz2026x-dark .sthwtz2026x-quick-btn:hover{background:#1976d2;color:#fff;border-color:#1976d2}.sthwtz2026x-dark .sthwtz2026x-tabs-wrapper{background:#1e1e2e}.sthwtz2026x-dark .sthwtz2026x-tab-btn{background:#2a2a3e;color:#aaa;border-color:#444}.sthwtz2026x-dark .sthwtz2026x-tab-btn.active{background:#1976d2;color:#fff;border-color:#1976d2}.sthwtz2026x-dark .sthwtz2026x-tab-content{background:#1e1e2e}.sthwtz2026x-dark .sthwtz2026x-fact-box{background:#1a2535;color:#90caf9}.sthwtz2026x-dark .sthwtz2026x-fact-box p,.sthwtz2026x-dark .sthwtz2026x-fact-box li{color:#90caf9}.sthwtz2026x-dark .sthwtz2026x-formula-box{background:#2a2a3e;color:#e0e0e0;border-left-color:#90caf9}.sthwtz2026x-dark .sthwtz2026x-formula-box strong{color:#90caf9}.sthwtz2026x-card-header{text-align:center;padding:16px 10px 14px;border-radius:16px;background:#fff;box-shadow:0 8px 20px rgb(0 0 0 / .1);margin-bottom:14px;position:relative;transition:transform .3s}.sthwtz2026x-card-header:hover{transform:translateY(-2px)}.sthwtz2026x-card-header h2{font-size:24px;color:#333;margin-bottom:6px}.sthwtz2026x-card-header p{font-size:14px;color:#555;margin:0 auto;max-width:700px}.sthwtz2026x-darkmode-btn{position:absolute;top:12px;right:12px;background:none;border:2px solid #e0e0e0;border-radius:50px!important;padding:6px 14px;font-size:13px;color:#555;transition:.2s;font-weight:600!important}.sthwtz2026x-darkmode-btn:hover{background:#1976d2;color:#fff;border-color:#1976d2}.sthwtz2026x-info-box{background:linear-gradient(135deg,#1565c0,#7b1fa2);color:#fff;padding:16px;border-radius:12px;margin-bottom:16px;box-shadow:0 4px 12px rgb(0 0 0 / .15)}.sthwtz2026x-info-box p{margin:0 0 8px 0;font-size:14px;line-height:1.6}.sthwtz2026x-info-box p:last-child{margin:0}.sthwtz2026x-info-box strong{font-weight:700!important}.sthwtz2026x-warning-box{background:#fff3cd;border-left:4px solid #ffc107;padding:12px 16px;border-radius:8px;margin:14px 0}.sthwtz2026x-warning-box p{margin:0;font-size:13px;color:#856404;line-height:1.5}.sthwtz2026x-warning-box strong{color:#d39e00;font-weight:700!important}.sthwtz2026x-input-section{background:#fff;padding:20px;border-radius:16px;box-shadow:0 8px 20px rgb(0 0 0 / .08);margin-bottom:0}.sthwtz2026x-section-heading{margin-bottom:14px}.sthwtz2026x-section-heading h4{margin:0;font-size:17px;color:#1976d2;border-bottom:2px solid #1976d2;padding-bottom:8px}.sthwtz2026x-input-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}.sthwtz2026x-input-group{flex:1;min-width:190px}.sthwtz2026x-input-group label{display:block;margin-bottom:6px;font-weight:600!important;font-size:14px;color:#1976d2}.sthwtz2026x-input-group input,.sthwtz2026x-input-group select{width:100%;padding:12px 14px;border:1px solid #90caf9;border-radius:12px;font-size:15px;transition:.3s;background:#fff;color:#222}.sthwtz2026x-input-group input:focus,.sthwtz2026x-input-group select:focus{outline:none;border-color:#1976d2;box-shadow:0 0 0 3px rgb(25 118 210 / .15)}.sthwtz2026x-input-group input.sthwtz2026x-error{border-color:#f44336!important;box-shadow:0 0 0 3px rgb(244 67 54 / .15)!important}.sthwtz2026x-error-msg{color:#f44336;font-size:12px;margin-top:4px;display:none}.sthwtz2026x-error-msg.sthwtz2026x-show{display:block}.sthwtz2026x-hint{font-size:11px;color:#aaa;margin-top:3px}.sthwtz2026x-formula-box{background:#f0f7ff;border-left:4px solid #1976d2;padding:12px 16px;border-radius:4px;margin-bottom:14px;font-size:13px;color:#0d47a1;line-height:1.8}.sthwtz2026x-formula-box strong{color:#1976d2;font-weight:700!important}.sthwtz2026x-quick-section{margin-bottom:16px}.sthwtz2026x-quick-label{display:block;font-weight:600!important;font-size:13px;color:#1976d2;margin-bottom:8px}.sthwtz2026x-quick-grid{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:10px}.sthwtz2026x-quick-btn{padding:8px 12px;border:2px solid #90caf9;background:#f8fbff;color:#1976d2;border-radius:8px!important;font-size:12px;font-weight:600!important;cursor:pointer;transition:.2s;white-space:nowrap}.sthwtz2026x-quick-btn:hover{background:#1976d2;color:#fff;border-color:#1976d2;transform:translateY(-2px)}.sthwtz2026x-quick-btn.sthwtz2026x-active{background:#1976d2;color:#fff;border-color:#125ea8}.sthwtz2026x-btn-group{display:flex;gap:12px;margin-top:16px}.sthwtz2026x-calculate-btn,.sthwtz2026x-reset-btn{flex:1;padding:14px;border:none;border-radius:12px;font-weight:700!important;font-size:16px;transition:.2s}.sthwtz2026x-calculate-btn{background:#1976d2;color:#fff}.sthwtz2026x-calculate-btn:hover{background:#125ea8;transform:translateY(-2px)}.sthwtz2026x-reset-btn{background:#f44336;color:#fff}.sthwtz2026x-reset-btn:hover{background:#c62828;transform:translateY(-2px)}.sthwtz2026x-result-container{margin-top:24px;background:#fff;padding:24px;border-radius:16px;box-shadow:0 8px 20px rgb(0 0 0 / .1)}.sthwtz2026x-result-container.sthwtz2026x-hidden{display:none!important}.sthwtz2026x-result-container h3{font-size:22px;color:#1976d2;margin:0 0 18px;text-align:center;font-weight:700!important}.sthwtz2026x-results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:20px}.sthwtz2026x-result-card{background:#f5f5f5;padding:18px 14px;border-radius:12px;text-align:center;transition:all .3s;box-shadow:0 2px 8px rgb(0 0 0 / .07)}.sthwtz2026x-result-card.sthwtz2026x-primary{background:linear-gradient(135deg,#1976d2,#1565c0);color:#fff;transform:scale(1.04)}.sthwtz2026x-result-card:hover{transform:translateY(-4px);box-shadow:0 6px 16px rgb(0 0 0 / .15)}.sthwtz2026x-result-card.sthwtz2026x-primary:hover{transform:scale(1.04) translateY(-4px)}.sthwtz2026x-result-title{font-size:12px;font-weight:600!important;margin-bottom:6px;opacity:.9}.sthwtz2026x-result-value{font-size:22px;font-weight:700!important;margin-bottom:3px;line-height:1.2;word-break:break-all}.sthwtz2026x-result-unit{font-size:12px;opacity:.8}.sthwtz2026x-copy-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;justify-content:center}.sthwtz2026x-copy-btn,.sthwtz2026x-export-btn{background:#e3f2fd;border:1px solid #90caf9;border-radius:8px!important;padding:8px 16px;font-size:13px;color:#1976d2;transition:.2s;font-weight:600!important}.sthwtz2026x-copy-btn:hover,.sthwtz2026x-export-btn:hover{background:#1976d2;color:#fff}.sthwtz2026x-toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(80px);background:#323232;color:#fff;padding:12px 24px;border-radius:24px;font-size:14px;font-weight:600!important;z-index:99999;opacity:0;transition:all .3s;pointer-events:none;white-space:nowrap}.sthwtz2026x-toast.sthwtz2026x-toast-show{opacity:1;transform:translateX(-50%) translateY(0)}.sthwtz2026x-breakdown-section{background:#e3f2fd;padding:18px;border-radius:12px;margin-bottom:18px}.sthwtz2026x-breakdown-section h4{margin:0 0 12px;font-size:15px;color:#0d47a1;font-weight:600!important}.sthwtz2026x-breakdown-section ul{margin:0;padding:0;list-style:none}.sthwtz2026x-breakdown-section li{margin-bottom:8px;font-size:14px;color:#0d47a1;padding-left:22px;position:relative}.sthwtz2026x-breakdown-section li::before{content:"⚡";position:absolute;left:0}.sthwtz2026x-calculation-steps{background:#f3e5f5;padding:18px;border-radius:12px;margin-bottom:18px}.sthwtz2026x-calculation-steps h4{margin:0 0 12px;font-size:15px;color:#4a148c;font-weight:600!important}.sthwtz2026x-steps-content{font-size:13px;color:#6a1b9a;line-height:1.9}.sthwtz2026x-steps-content p{margin:5px 0}.sthwtz2026x-steps-content strong{color:#4a148c;font-weight:700!important}.sthwtz2026x-tabs-wrapper{background:#f9f9f9;border-radius:12px;overflow:hidden;margin-bottom:18px}.sthwtz2026x-tab-bar{display:flex;flex-wrap:wrap;gap:4px;padding:10px 10px 0;background:#f0f4ff}.sthwtz2026x-tab-btn{padding:8px 13px;border:1px solid #c5cae9;background:#fff;color:#555;border-radius:8px 8px 0 0!important;font-size:13px;font-weight:600!important;transition:.2s;border-bottom:none}.sthwtz2026x-tab-btn.active{background:#1976d2;color:#fff;border-color:#1976d2}.sthwtz2026x-tab-content{display:none;padding:18px}.sthwtz2026x-tab-content.active{display:block}.sthwtz2026x-fact-box{background:#e8f5e9;border-radius:10px;padding:14px}.sthwtz2026x-fact-box p{color:#1b5e20;font-size:13px;margin:6px 0;line-height:1.8}.sthwtz2026x-fact-box ul,.sthwtz2026x-fact-box ol{padding-left:20px;margin:6px 0}.sthwtz2026x-fact-box li{color:#1b5e20;font-size:13px;margin-bottom:5px;line-height:1.7}.sthwtz2026x-fact-box strong{font-weight:700!important}.sthwtz2026x-comparison-table{background:#fff8e1;padding:18px;border-radius:12px;margin-bottom:18px}.sthwtz2026x-comparison-table h4{margin:0 0 14px;font-size:15px;color:#f57c00;font-weight:600!important}.sthwtz2026x-comparison-table .tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}.sthwtz2026x-comparison-table table{width:100%;border-collapse:collapse;min-width:400px}.sthwtz2026x-comparison-table th,.sthwtz2026x-comparison-table td{padding:10px 12px;text-align:left;border-bottom:1px solid #ffe082;font-size:13px}.sthwtz2026x-comparison-table th{background:#ffecb3;color:#e65100;font-weight:600!important}.sthwtz2026x-comparison-table td{color:#5d4037}.sthwtz2026x-comparison-table tr:hover td{background:#fff3cd}.sthwtz2026x-hidden{display:none!important}@media(max-width:768px){.sthwtz2026x-input-row{flex-direction:column;gap:14px}.sthwtz2026x-input-group{min-width:100%}.sthwtz2026x-input-group input,.sthwtz2026x-input-group select{font-size:16px!important;padding:14px 16px}.sthwtz2026x-results-grid{grid-template-columns:repeat(2,1fr);gap:10px}.sthwtz2026x-result-card.sthwtz2026x-primary{grid-column:span 2}.sthwtz2026x-btn-group{flex-direction:column}.sthwtz2026x-calculate-btn,.sthwtz2026x-reset-btn{padding:16px;font-size:17px}.sthwtz2026x-card-header h2{font-size:20px}.sthwtz2026x-result-value{font-size:19px}.sthwtz2026x-copy-bar{flex-direction:column;align-items:stretch}.sthwtz2026x-darkmode-btn{top:8px;right:8px;padding:5px 10px;font-size:12px}.sthwtz2026x-quick-btn{font-size:11px;padding:7px 10px}}@media(max-width:400px){.sthwtz2026x-results-grid{grid-template-columns:1fr}.sthwtz2026x-result-card.sthwtz2026x-primary{grid-column:span 1}}