.calc-container{color:#334155;background-color:#fafafa;min-height:100vh;padding:60px 24px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.calc-header{text-align:center;margin:0 auto 50px}.calc-header h1{color:#0f172a;letter-spacing:-.02em;margin-bottom:16px;font-size:2.5rem}.calc-header p{color:#475569;margin-bottom:32px;font-size:1.125rem;line-height:1.6}.calc-links{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.btn-primary,.btn-secondary{border-radius:8px;padding:12px 24px;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .2s}.btn-primary{color:#fff;background-color:#2563eb}.btn-primary:hover{background-color:#1d4ed8;box-shadow:0 4px 12px #2563eb33}.btn-secondary{color:#1e293b;background-color:#e2e8f0}.btn-secondary:hover{background-color:#cbd5e1}.calc-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;margin-bottom:64px;display:grid}.calc-card{color:inherit;background-color:#fff;border:1px solid #e2e8f0;border-radius:16px;flex-direction:column;padding:32px 24px;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex}.calc-card:hover{border-color:#bfdbfe;transform:translateY(-4px);box-shadow:0 12px 30px -8px #00000014}.calc-icon{margin-bottom:20px;font-size:2.5rem;display:inline-block}.calc-card h2{color:#0f172a;margin-bottom:12px;font-size:1.25rem;font-weight:600}.calc-card p{color:#64748b;margin:0;font-size:.95rem;line-height:1.5}.calc-seo-footer{text-align:center;border-top:1px solid #e2e8f0;max-width:800px;margin:0 auto;padding-top:48px}.calc-seo-footer h2{color:#0f172a;margin-bottom:16px;font-size:1.5rem}.calc-seo-footer p{color:#475569;line-height:1.6}.calc-icon{color:#2563eb;margin-bottom:20px;display:inline-block}.calc-header-nav{margin-bottom:24px}.btn-back{color:#64748b;align-items:center;gap:8px;font-weight:500;text-decoration:none;transition:color .2s;display:inline-flex}.btn-back:hover{color:#2563eb}.calc-title-group{align-items:center;gap:16px;margin-bottom:40px;display:flex}.icon-wrapper{color:#2563eb;background:#eff6ff;border-radius:12px;padding:16px}.calc-layout-split{flex-direction:column;gap:32px;display:flex}@media (min-width:768px){.calc-layout-split{flex-direction:row;align-items:flex-start}}.calc-form-box,.calc-result-box{background:#fff;border:1px solid #e2e8f0;border-radius:16px;flex:1;padding:32px;box-shadow:0 4px 6px -1px #0000000d}.input-section-title{color:#0f172a;border-bottom:1px solid #e2e8f0;margin:24px 0 16px;padding-bottom:8px;font-size:1.125rem;font-weight:600}.input-section-title:first-child{margin-top:0}.input-group{flex-direction:column;gap:8px;width:100%;margin-bottom:16px;display:flex}.input-row{flex-direction:column;gap:16px;display:flex}@media (min-width:1024px){.input-row{flex-direction:row}}.input-group label{color:#475569;font-size:.875rem;font-weight:500}.input-group input{border:1px solid #cbd5e1;border-radius:8px;padding:12px 16px;font-size:1rem;transition:border-color .2s}.input-group input:focus{border-color:#2563eb;outline:none;box-shadow:0 0 0 3px #2563eb1a}.btn-calc-submit{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:100%;margin-top:24px;padding:16px;font-size:1rem;font-weight:600;transition:background-color .2s;display:flex}.btn-calc-submit:hover{background:#1d4ed8}.result-placeholder{text-align:center;color:#94a3b8;padding:40px 0}.result-data h3{color:#0f172a;margin-top:0;margin-bottom:24px}.result-stat{justify-content:space-between;align-items:center;padding:12px 0;font-size:1.05rem;display:flex}.result-stat span{color:#475569;align-items:center;gap:8px;display:flex}.result-divider{background:#e2e8f0;border:0;height:1px;margin:16px 0}.result-stat.total{color:#0f172a;font-size:1.25rem;font-weight:700}.text-green{color:#16a34a}.value-success{color:#15803d}.text-orange{color:#ea580c}.value-danger{color:#b91c1c}.result-alert-box{border-radius:8px;gap:12px;margin-top:24px;padding:16px;font-size:.9rem;line-height:1.5;display:flex}.result-alert-box.green{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0}.result-alert-box.amber{color:#92400e;background:#fffbeb;border:1px solid #fde68a}