.emv-calc{--emv-primary: #0891b2;--emv-secondary: #06b6d4;--emv-accent: #67e8f9;--emv-bg: #ecfeff;--emv-card-bg: #ffffff;--emv-text: #164e63;--emv-text-muted: #0e7490;--emv-border: #a5f3fc;--emv-shadow: 0 4px 20px rgba(8, 145, 178, .12);max-width:900px;margin:0 auto;font-family:system-ui,-apple-system,sans-serif}.emv-header{text-align:center;margin-bottom:2rem}.emv-title{font-size:2rem;font-weight:800;color:var(--emv-primary);margin:0 0 .5rem}.emv-description{color:var(--emv-text-muted);font-size:1.1rem;margin:0}.emv-formula-container{background:linear-gradient(135deg,var(--emv-bg) 0%,#cffafe 100%);border-radius:16px;padding:1.5rem;margin-bottom:2rem;border:1px solid var(--emv-border)}.emv-formula-title{font-size:1.1rem;font-weight:700;color:var(--emv-primary);margin:0 0 1rem;text-align:center}.emv-formula-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.emv-formula-card{background:var(--emv-card-bg);border-radius:12px;padding:1rem;text-align:center}.emv-formula-label{display:block;font-size:.85rem;font-weight:600;color:var(--emv-text-muted);margin-bottom:.5rem}.emv-formula-math{font-size:.9rem;color:var(--emv-text);overflow-x:auto}.emv-form-container{background:var(--emv-card-bg);border-radius:16px;padding:1.5rem;box-shadow:var(--emv-shadow);margin-bottom:2rem}.emv-form{display:flex;flex-direction:column;gap:1.25rem}.emv-scenario-group{background:var(--emv-bg);border-radius:12px;padding:1rem}.emv-scenario-title{font-size:.95rem;font-weight:700;color:var(--emv-primary);margin:0 0 .75rem}.emv-input-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.emv-input-group{display:flex;flex-direction:column;gap:.5rem}.emv-label{font-weight:600;font-size:.85rem;color:var(--emv-text)}.emv-input{width:100%;padding:.75rem 1rem;border:2px solid var(--emv-border);border-radius:10px;font-size:1rem;background:#fff;box-sizing:border-box}.emv-input:focus{outline:none;border-color:var(--emv-primary)}.emv-buttons{display:flex;gap:1rem;margin-top:.5rem}.emv-btn{flex:1;padding:1rem;border:none;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer}.emv-btn-primary{background:linear-gradient(135deg,var(--emv-primary) 0%,var(--emv-secondary) 100%);color:#fff}.emv-btn-secondary{background:var(--emv-bg);color:var(--emv-text-muted);border:2px solid var(--emv-border)}.emv-results{background:var(--emv-card-bg);border-radius:16px;padding:1.5rem;box-shadow:var(--emv-shadow);margin-bottom:2rem}.emv-results-title{font-size:1.25rem;font-weight:700;color:var(--emv-primary);margin:0 0 1.5rem;text-align:center}.emv-results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}.emv-result-card{background:var(--emv-bg);border-radius:12px;padding:1.25rem;text-align:center}.emv-result-main{grid-column:1 / -1;background:linear-gradient(135deg,var(--emv-primary) 0%,var(--emv-secondary) 100%)}.emv-result-main .emv-result-label,.emv-result-main .emv-result-value{color:#fff}.emv-result-label{display:block;font-size:.8rem;font-weight:600;color:var(--emv-text-muted);margin-bottom:.25rem}.emv-result-value{display:block;font-size:1.75rem;font-weight:800;color:var(--emv-primary)}.emv-content{margin-top:3rem}.emv-content-section{margin-bottom:2.5rem}.emv-content-title{font-size:1.5rem;font-weight:700;color:var(--emv-text);margin:0 0 1rem;padding-bottom:.5rem;border-bottom:3px solid var(--emv-primary)}.emv-content-text{color:var(--emv-text-muted);line-height:1.7;margin:0 0 1rem}.emv-features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem}.emv-feature-card{background:var(--emv-bg);border-radius:12px;padding:1.25rem;text-align:center}.emv-feature-icon{font-size:2rem;display:block;margin-bottom:.75rem}.emv-feature-title{font-size:1rem;font-weight:700;color:var(--emv-text);margin:0 0 .5rem}.emv-feature-desc{font-size:.85rem;color:var(--emv-text-muted);margin:0}.emv-table-wrapper{overflow-x:auto;border-radius:12px;margin-top:1.5rem}.emv-table{width:100%;border-collapse:collapse;background:#fff;font-size:.9rem}.emv-table th{background:var(--emv-primary);color:#fff;padding:.875rem 1rem;text-align:left}.emv-table td{padding:.75rem 1rem;border-bottom:1px solid var(--emv-border)}.emv-table-highlight{font-weight:700;color:var(--emv-primary)}.emv-tips-grid{display:grid;gap:1rem;margin-top:1.5rem}.emv-tip-card{display:flex;gap:1rem;background:var(--emv-card-bg);border-radius:12px;padding:1.25rem;border-left:4px solid var(--emv-primary)}.emv-tip-icon{font-size:1.5rem}.emv-tip-title{font-size:1rem;font-weight:700;color:var(--emv-text);margin:0 0 .5rem}.emv-tip-text{font-size:.9rem;color:var(--emv-text-muted);margin:0}.emv-faqs{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem}.emv-faq-item{background:var(--emv-card-bg);border-radius:12px;padding:1.25rem}.emv-faq-question{font-size:1rem;font-weight:700;color:var(--emv-primary);margin:0 0 .75rem}.emv-faq-answer{font-size:.9rem;color:var(--emv-text-muted);margin:0;line-height:1.6}@media (max-width: 768px){.emv-input-row{grid-template-columns:1fr}.emv-results-grid{grid-template-columns:repeat(2,1fr)}}