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(min-width:768px){.calc-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.calc-grid{grid-template-columns:repeat(3,1fr)}}.calc-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:var(--card-shadow);transition:transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;flex-direction:column;height:100%;padding:28px;display:flex}.calc-card:active,.calc-card:focus{outline:none}.calc-card:hover{border-color:rgba(var(--primary-rgb), .4);box-shadow:0 20px 40px -15px #0000001a, 0 0 20px rgba(var(--primary-rgb), .05);transform:translateY(-4px)}.card-icon{background-color:var(--primary-light);width:48px;height:48px;color:var(--primary);border-radius:12px;justify-content:center;align-items:center;margin-bottom:20px;font-size:24px;display:flex}.calc-card:nth-child(2n) .card-icon{background-color:var(--accent-light);color:var(--accent)}.card-title{letter-spacing:-.3px;margin-bottom:8px;font-size:20px;font-weight:700}.card-desc{color:var(--text-secondary);flex-grow:1;margin-bottom:24px;font-size:14px;line-height:1.6}.card-link{color:var(--primary);align-items:center;gap:8px;font-size:14px;font-weight:600;display:inline-flex}.calc-card:nth-child(2n) .card-link{color:var(--accent)}.card-link svg{transition:transform var(--transition-fast)}.calc-card:hover .card-link svg{transform:translate(4px)}.calc-page-header{border-bottom:1px solid var(--border-color);margin-bottom:40px;padding:40px 0 24px}.back-btn{color:var(--text-secondary);transition:color var(--transition-fast);align-items:center;gap:8px;margin-bottom:16px;font-size:14px;font-weight:500;display:inline-flex}.back-btn:hover{color:var(--primary)}.calc-title-area{flex-direction:column;gap:8px;display:flex}.calc-title-area h1{letter-spacing:-.5px;font-size:32px;font-weight:800}.calc-title-area p{color:var(--text-secondary);font-size:16px}.calc-container{grid-template-columns:1fr;align-items:start;gap:32px;margin-bottom:80px;display:grid}@media (min-width:1024px){.calc-container{grid-template-columns:1.1fr .9fr}}.calc-panel{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:var(--card-shadow);width:100%;min-width:0;padding:32px}.input-group{margin-bottom:28px}.input-header{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.input-label{color:var(--text-secondary);font-size:14px;font-weight:600}.input-wrapper{align-items:center;display:flex;position:relative}.input-field{border:1.5px solid var(--border-color);background-color:var(--bg-primary);width:100%;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);border-radius:10px;outline:none;padding:12px 48px 12px 16px;font-size:16px;font-weight:600}.input-field:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(var(--primary-rgb), .1)}.input-suffix{color:var(--text-muted);pointer-events:none;font-size:14px;font-weight:600;position:absolute;right:16px}.slider-container{margin-top:10px}.range-slider{-webkit-appearance:none;background:var(--border-color);width:100%;height:6px;transition:background var(--transition-fast);border-radius:3px;outline:none}.range-slider::-webkit-slider-thumb{appearance:none;background:var(--primary);cursor:pointer;border:3px solid var(--bg-card);width:20px;height:20px;transition:transform var(--transition-fast), background var(--transition-fast);border-radius:50%;box-shadow:0 2px 6px #00000026}.range-slider::-webkit-slider-thumb:hover{background:var(--primary-hover);transform:scale(1.15)}.range-slider::-moz-range-thumb{background:var(--primary);cursor:pointer;border:3px solid var(--bg-card);width:14px;height:14px;transition:transform var(--transition-fast), background var(--transition-fast);border-radius:50%;box-shadow:0 2px 6px #00000026}.range-slider::-moz-range-thumb:hover{background:var(--primary-hover);transform:scale(1.15)}.results-header{margin-bottom:24px}.results-header h2{letter-spacing:-.3px;font-size:22px;font-weight:700}.metrics-grid{grid-template-columns:1fr;gap:16px;margin-bottom:28px;display:grid}@media (min-width:480px){.metrics-grid{grid-template-columns:repeat(2,1fr)}}.metric-box{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:12px;padding:16px 20px}.metric-box.featured{background:linear-gradient(135deg, rgba(var(--primary-rgb), .06), rgba(var(--accent-rgb), .04));border-color:rgba(var(--primary-rgb), .15);grid-column:1/-1}.metric-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:4px;font-size:12px;font-weight:600}.metric-value{color:var(--text-primary);font-size:20px;font-weight:800}.metric-box.featured .metric-value{color:var(--primary);font-size:26px}.chart-container{flex-direction:column;align-items:center;margin-bottom:32px;display:flex}@media (min-width:640px){.chart-container{flex-direction:row;justify-content:space-around;gap:24px}}.doughnut-wrapper{width:180px;height:180px;position:relative}.doughnut-svg{transform:rotate(-90deg)}.doughnut-circle-bg{fill:none;stroke:var(--border-color);stroke-width:18px}.doughnut-circle-val{fill:none;stroke-width:18px;stroke-linecap:round;transition:stroke-dasharray var(--transition-normal)}.chart-center-text{text-align:center;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.chart-center-label{text-transform:uppercase;color:var(--text-muted);font-size:11px;font-weight:600}.chart-center-val{font-size:16px;font-weight:800}.chart-legend{flex-direction:column;gap:12px;margin-top:20px;display:flex}@media (min-width:640px){.chart-legend{margin-top:0}}.legend-item{align-items:center;gap:10px;font-size:13px;font-weight:500;display:flex}.legend-color{border-radius:3px;width:12px;height:12px}.legend-text{flex-direction:column;display:flex}.legend-name{color:var(--text-secondary)}.legend-val{color:var(--text-primary);font-weight:700}.proj-chart-panel{border-top:1px solid var(--border-color);margin-top:32px;padding-top:24px}.proj-chart-title{margin-bottom:16px;font-size:16px;font-weight:700}.svg-proj-chart{width:100%;height:220px;overflow:visible}.proj-bar{transition:height var(--transition-normal), y var(--transition-normal), fill var(--transition-fast)}.proj-bar:hover{fill-opacity:.85}.proj-tooltip{background:var(--bg-card);border:1px solid var(--border-color);pointer-events:none;box-shadow:var(--card-shadow);z-index:10;border-radius:8px;padding:8px 12px;font-size:12px;display:none;position:absolute}.toggle-table-btn{background-color:var(--bg-primary);border:1px solid var(--border-color);cursor:pointer;width:100%;transition:all var(--transition-fast);border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:12px;font-size:14px;font-weight:600;display:flex}.toggle-table-btn:hover{background-color:var(--border-color)}.table-container{border:1px solid var(--border-color);border-radius:10px;width:100%;max-height:350px;margin-top:20px;overflow:auto}.table-container::-webkit-scrollbar{width:6px}.table-container::-webkit-scrollbar-track{background:var(--bg-primary)}.table-container::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.calc-table{border-collapse:collapse;width:100%;min-width:480px;font-size:13px}.calc-table th,.calc-table td{border-bottom:1px solid var(--border-color);white-space:nowrap;padding:12px 16px}.calc-table th{background-color:var(--bg-primary);color:var(--text-secondary);z-index:1;font-weight:600;position:sticky;top:0}.calc-table th:not(:first-child),.calc-table td:not(:first-child){text-align:right}.calc-table tr:last-child td{border-bottom:none}.calc-table tr:hover td{background-color:rgba(var(--primary-rgb), .02)}.footer{border-top:1px solid var(--border-color);background-color:var(--bg-card);text-align:center;color:var(--text-muted);margin-top:auto;padding:32px 0;font-size:14px}@keyframes draw{to{stroke-dashoffset:0}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn var(--transition-normal) forwards}.seo-schema{display:none}@media (max-width:600px){.input-header{flex-direction:column;align-items:stretch;gap:8px}.input-header .input-wrapper{width:100%;max-width:100%!important}.calc-panel{padding:20px 16px}.hero h1{font-size:28px}.calc-page-header{margin-bottom:24px;padding:24px 0 16px}.calc-title-area h1{font-size:24px}.calc-table th,.calc-table td{padding:8px 10px;font-size:11px}.svg-proj-chart{height:180px}}.theme-toggle-btn{border:1px solid var(--border-color);cursor:pointer;width:40px;height:40px;color:var(--text-secondary);transition:all var(--transition-fast);background:0 0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.theme-toggle-btn:hover{background-color:var(--bg-primary);color:var(--primary);border-color:var(--primary);transform:rotate(20deg)}.theme-toggle-btn svg{width:20px;height:20px}.action-btn{cursor:pointer;transition:all var(--transition-fast);border:1px solid var(--border-color);background-color:var(--bg-primary);color:var(--text-primary);border-radius:10px;font-size:14px;font-weight:600}.action-btn:hover{background-color:var(--border-color)}.secondary-btn:hover{color:var(--primary);border-color:var(--primary)}.toast-notification{background-color:var(--text-primary);color:var(--bg-primary);z-index:1000;opacity:0;pointer-events:none;border-radius:30px;align-items:center;gap:8px;padding:12px 24px;font-size:14px;font-weight:600;transition:opacity .3s cubic-bezier(.175,.885,.32,1.275),transform .3s cubic-bezier(.175,.885,.32,1.275);display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%)translateY(100px);box-shadow:0 10px 25px #00000040}.toast-notification.show{opacity:1;pointer-events:auto;transform:translate(-50%)translateY(0)}.blog-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px -15px #0000001a}.blog-card{-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}a{-webkit-tap-highlight-color:transparent}.breadcrumb-link:hover{color:var(--primary-hover)}.faq-summary{background-color:#0000}.faq-summary:hover{background-color:#4f46e50d}details[open] .faq-icon{color:var(--primary);transform:rotate(180deg)}
