.lbm-calc{--lbm-primary: #059669;--lbm-secondary: #10b981;--lbm-accent: #6ee7b7;--lbm-bg: #ecfdf5;--lbm-card-bg: #ffffff;--lbm-text: #064e3b;--lbm-text-muted: #047857;--lbm-border: #a7f3d0;--lbm-shadow: 0 4px 20px rgba(5, 150, 105, .12);max-width:900px;margin:0 auto;font-family:system-ui,-apple-system,sans-serif}.lbm-header{text-align:center;margin-bottom:2rem}.lbm-title{font-size:2rem;font-weight:800;color:var(--lbm-primary);margin:0 0 .5rem}.lbm-description{color:var(--lbm-text-muted);font-size:1.1rem;margin:0}.lbm-formula-container{background:linear-gradient(135deg,var(--lbm-bg) 0%,#d1fae5 100%);border-radius:16px;padding:1.5rem;margin-bottom:2rem;border:1px solid var(--lbm-border)}.lbm-formula-title{font-size:1.1rem;font-weight:700;color:var(--lbm-primary);margin:0 0 1rem;text-align:center}.lbm-formula-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.lbm-formula-card{background:var(--lbm-card-bg);border-radius:12px;padding:1rem;text-align:center}.lbm-formula-label{display:block;font-size:.85rem;font-weight:600;color:var(--lbm-text-muted);margin-bottom:.5rem}.lbm-formula-math{font-size:.9rem;color:var(--lbm-text);overflow-x:auto}.lbm-form-container{background:var(--lbm-card-bg);border-radius:16px;padding:1.5rem;box-shadow:var(--lbm-shadow);margin-bottom:2rem}.lbm-form{display:flex;flex-direction:column;gap:1.25rem}.lbm-input-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.lbm-input-group{display:flex;flex-direction:column;gap:.5rem}.lbm-label{font-weight:600;font-size:.9rem;color:var(--lbm-text)}.lbm-input{width:100%;padding:.875rem 1rem;border:2px solid var(--lbm-border);border-radius:10px;font-size:1rem;background:var(--lbm-bg);box-sizing:border-box}.lbm-input:focus{outline:none;border-color:var(--lbm-primary);background:#fff}.lbm-input-wrapper{display:flex;gap:.5rem}.lbm-input-wrapper .lbm-input{flex:1}.lbm-unit-select{width:70px;padding:.875rem .5rem;border:2px solid var(--lbm-border);border-radius:10px;font-size:.9rem;background:var(--lbm-bg)}.lbm-radio-group{display:flex;gap:1.5rem;padding:.875rem 0}.lbm-radio-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;color:var(--lbm-text)}.lbm-buttons{display:flex;gap:1rem;margin-top:.5rem}.lbm-btn{flex:1;padding:1rem;border:none;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer}.lbm-btn-primary{background:linear-gradient(135deg,var(--lbm-primary) 0%,var(--lbm-secondary) 100%);color:#fff}.lbm-btn-secondary{background:var(--lbm-bg);color:var(--lbm-text-muted);border:2px solid var(--lbm-border)}.lbm-results{background:var(--lbm-card-bg);border-radius:16px;padding:1.5rem;box-shadow:var(--lbm-shadow);margin-bottom:2rem}.lbm-results-title{font-size:1.25rem;font-weight:700;color:var(--lbm-primary);margin:0 0 1.5rem;text-align:center}.lbm-results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem}.lbm-result-card{background:var(--lbm-bg);border-radius:12px;padding:1.25rem;text-align:center}.lbm-result-main{grid-column:1 / -1;background:linear-gradient(135deg,var(--lbm-primary) 0%,var(--lbm-secondary) 100%)}.lbm-result-main .lbm-result-label,.lbm-result-main .lbm-result-value,.lbm-result-main .lbm-result-unit{color:#fff}.lbm-result-label{display:block;font-size:.8rem;font-weight:600;color:var(--lbm-text-muted);margin-bottom:.25rem}.lbm-result-value{display:block;font-size:1.5rem;font-weight:800;color:var(--lbm-primary)}.lbm-result-unit{display:block;font-size:.75rem;color:var(--lbm-text-muted)}.lbm-content{margin-top:3rem}.lbm-content-section{margin-bottom:2.5rem}.lbm-content-title{font-size:1.5rem;font-weight:700;color:var(--lbm-text);margin:0 0 1rem;padding-bottom:.5rem;border-bottom:3px solid var(--lbm-primary)}.lbm-content-text{color:var(--lbm-text-muted);line-height:1.7;margin:0 0 1rem}.lbm-features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem}.lbm-feature-card{background:var(--lbm-bg);border-radius:12px;padding:1.25rem;text-align:center}.lbm-feature-icon{font-size:2rem;display:block;margin-bottom:.75rem}.lbm-feature-title{font-size:1rem;font-weight:700;color:var(--lbm-text);margin:0 0 .5rem}.lbm-feature-desc{font-size:.85rem;color:var(--lbm-text-muted);margin:0}.lbm-table-wrapper{overflow-x:auto;border-radius:12px;margin-top:1.5rem}.lbm-table{width:100%;border-collapse:collapse;background:#fff;font-size:.9rem}.lbm-table th{background:var(--lbm-primary);color:#fff;padding:.875rem 1rem;text-align:left}.lbm-table td{padding:.75rem 1rem;border-bottom:1px solid var(--lbm-border)}.lbm-table-highlight{font-weight:700;color:var(--lbm-primary)}.lbm-tips-grid{display:grid;gap:1rem;margin-top:1.5rem}.lbm-tip-card{display:flex;gap:1rem;background:var(--lbm-card-bg);border-radius:12px;padding:1.25rem;border-left:4px solid var(--lbm-primary)}.lbm-tip-icon{font-size:1.5rem}.lbm-tip-title{font-size:1rem;font-weight:700;color:var(--lbm-text);margin:0 0 .5rem}.lbm-tip-text{font-size:.9rem;color:var(--lbm-text-muted);margin:0}.lbm-faqs{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem}.lbm-faq-item{background:var(--lbm-card-bg);border-radius:12px;padding:1.25rem}.lbm-faq-question{font-size:1rem;font-weight:700;color:var(--lbm-primary);margin:0 0 .75rem}.lbm-faq-answer{font-size:.9rem;color:var(--lbm-text-muted);margin:0;line-height:1.6}@media (max-width: 768px){.lbm-input-grid{grid-template-columns:1fr}.lbm-results-grid{grid-template-columns:repeat(2,1fr)}}