.abf-calculator{--abf-primary: #4d7c0f;--abf-secondary: #65a30d;--abf-accent: #84cc16;--abf-dark: #1a2e05;--abf-light: #f7fee7;--abf-text: #1f2937;--abf-text-muted: #6b7280;--abf-border: #d1d5db;--abf-card-bg: #ffffff;--abf-section-bg: #fafafa;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;max-width:900px;margin:0 auto;color:var(--abf-text)}.abf-header{text-align:center;margin-bottom:2rem;padding:2rem;background:linear-gradient(135deg,var(--abf-dark) 0%,var(--abf-primary) 100%);border-radius:16px;color:#fff}.abf-title{font-size:2rem;font-weight:800;margin:0 0 .75rem;display:flex;align-items:center;justify-content:center;gap:.5rem}.abf-title:before{content:"🎖️"}.abf-description{font-size:1.1rem;margin:0;opacity:.9}.abf-formula-section{background:var(--abf-light);border-radius:12px;padding:1.5rem;margin-bottom:2rem;border:2px solid var(--abf-accent)}.abf-formula-title{font-size:1.1rem;font-weight:700;color:var(--abf-primary);margin:0 0 1rem;text-align:center}.abf-formula-grid{display:grid;grid-template-columns:1fr;gap:1rem}@media (min-width: 640px){.abf-formula-grid{grid-template-columns:repeat(2,1fr)}}.abf-formula-card{background:#fff;border-radius:10px;padding:1rem;border:1px solid var(--abf-border)}.abf-formula-label{font-size:.85rem;font-weight:600;color:var(--abf-primary);margin:0 0 .5rem;text-align:center}.abf-formula-display{text-align:center;overflow-x:auto;padding:.5rem 0}.abf-formula-note{font-size:.8rem;color:var(--abf-text-muted);text-align:center;margin:1rem 0 0}.abf-gender-toggle{display:flex;gap:.5rem;margin-bottom:1.5rem;background:var(--abf-section-bg);padding:.25rem;border-radius:10px}.abf-gender-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1rem;border:none;background:transparent;color:var(--abf-text-muted);font-size:1rem;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s}.abf-gender-btn:hover{background:#fff;color:var(--abf-text)}.abf-gender-btn.active{background:var(--abf-primary);color:#fff;box-shadow:0 2px 8px #4d7c0f4d}.abf-gender-icon{font-size:1.25rem}.abf-form-section{background:var(--abf-card-bg);border-radius:16px;padding:1.5rem;margin-bottom:2rem;box-shadow:0 4px 20px #00000014;border:1px solid var(--abf-border)}.abf-input-grid{display:grid;grid-template-columns:1fr;gap:1.25rem;margin-bottom:1.5rem}@media (min-width: 640px){.abf-input-grid{grid-template-columns:repeat(2,1fr)}}.abf-input-group{display:flex;flex-direction:column;gap:.375rem}.abf-label{font-size:.9rem;font-weight:600;color:var(--abf-text)}.abf-input-wrapper{display:flex;align-items:center;background:var(--abf-section-bg);border:2px solid var(--abf-border);border-radius:8px;overflow:hidden;transition:border-color .2s,box-shadow .2s}.abf-input-wrapper:focus-within{border-color:var(--abf-primary);box-shadow:0 0 0 3px #4d7c0f26}.abf-input-wrapper input{flex:1;padding:.75rem 1rem;border:none;background:transparent;font-size:1rem;color:var(--abf-text);min-width:0}.abf-input-wrapper input:focus{outline:none}.abf-unit{padding:.75rem;background:#fff;color:var(--abf-text-muted);font-size:.85rem;font-weight:500;border-left:1px solid var(--abf-border)}.abf-input-note{font-size:.75rem;color:var(--abf-text-muted);margin:0}.abf-buttons{display:flex;gap:.75rem}.abf-btn{flex:1;padding:1rem;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:.5rem}.abf-btn-primary{background:linear-gradient(135deg,var(--abf-primary),var(--abf-secondary));color:#fff;box-shadow:0 4px 15px #4d7c0f4d}.abf-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #4d7c0f66}.abf-btn-secondary{background:var(--abf-section-bg);color:var(--abf-text-muted);border:1px solid var(--abf-border)}.abf-btn-secondary:hover{background:#fff;color:var(--abf-text)}.abf-results{background:linear-gradient(135deg,var(--abf-dark) 0%,var(--abf-primary) 100%);border-radius:16px;padding:2rem;margin-bottom:2rem;color:#fff}.abf-results-title{font-size:1.25rem;font-weight:700;margin:0 0 1.5rem;text-align:center;opacity:.9}.abf-main-result{text-align:center;margin-bottom:1.5rem}.abf-body-fat-display{display:flex;align-items:baseline;justify-content:center;gap:.25rem}.abf-body-fat-value{font-size:4rem;font-weight:800;line-height:1}.abf-body-fat-percent{font-size:2rem;font-weight:600;opacity:.8}.abf-category{font-size:1.25rem;font-weight:600;padding:.5rem 1rem;border-radius:20px;display:inline-block;margin-top:.5rem}.abf-category.essential{background:#3b82f64d}.abf-category.athletes{background:#10b9814d}.abf-category.fitness{background:#22c55e4d}.abf-category.acceptable{background:#eab3084d}.abf-category.obese{background:#ef44444d}.abf-compliance{display:flex;align-items:center;justify-content:center;gap:1rem;padding:1rem;border-radius:12px;margin-bottom:1.5rem}.abf-compliance.pass{background:#22c55e33;border:2px solid rgba(34,197,94,.5)}.abf-compliance.fail{background:#ef444433;border:2px solid rgba(239,68,68,.5)}.abf-compliance-icon{font-size:2rem}.abf-compliance.pass .abf-compliance-icon:before{content:"✓";color:#22c55e}.abf-compliance.fail .abf-compliance-icon:before{content:"✗";color:#ef4444}.abf-compliance-icon:before{font-weight:700}.abf-compliance-text{display:flex;flex-direction:column}.abf-compliance-status{font-size:1.1rem;font-weight:700}.abf-compliance-detail{font-size:.9rem;opacity:.8}.abf-results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem}.abf-result-card{background:#ffffff1a;border-radius:10px;padding:1rem;text-align:center}.abf-result-label{display:block;font-size:.8rem;opacity:.8;margin-bottom:.25rem}.abf-result-value{display:block;font-size:1.25rem;font-weight:700}.abf-gauge-section{margin-top:1.5rem}.abf-gauge{height:12px;background:linear-gradient(90deg,#3b82f6,#10b981 25%,#22c55e 40%,#eab308 60%,#ef4444);border-radius:6px;position:relative;margin-bottom:.5rem}.abf-gauge-fill{position:absolute;top:0;left:0;height:100%;border-radius:6px;opacity:0}.abf-gauge-marker{position:absolute;top:-4px;width:4px;height:20px;background:#fff;border-radius:2px;transform:translate(-50%);box-shadow:0 2px 6px #0000004d;transition:left .3s ease}.abf-gauge-labels{display:flex;justify-content:space-between;font-size:.7rem;opacity:.7}.abf-standards-section{background:var(--abf-card-bg);border-radius:12px;padding:1.5rem;margin-bottom:2rem;border:2px solid var(--abf-accent)}.abf-standards-title{font-size:1.1rem;font-weight:700;color:var(--abf-primary);margin:0 0 1rem}.abf-standards-table-wrapper{overflow-x:auto}.abf-standards-table{width:100%;border-collapse:collapse;font-size:.95rem}.abf-standards-table th,.abf-standards-table td{padding:.75rem 1rem;text-align:center;border-bottom:1px solid var(--abf-border)}.abf-standards-table th{background:var(--abf-light);font-weight:700;color:var(--abf-primary)}.abf-standards-table tbody tr:hover{background:var(--abf-section-bg)}.abf-content{margin-top:2rem}.abf-content-section{margin-bottom:2.5rem}.abf-content-title{font-size:1.5rem;font-weight:700;color:var(--abf-primary);margin:0 0 1rem;padding-bottom:.5rem;border-bottom:3px solid var(--abf-accent)}.abf-content-paragraph{font-size:1rem;line-height:1.7;color:var(--abf-text);margin:0 0 1rem}.abf-features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem}.abf-feature-card{background:var(--abf-light);border-radius:12px;padding:1.25rem;text-align:center;border:1px solid var(--abf-accent)}.abf-feature-icon{font-size:2rem;display:block;margin-bottom:.75rem}.abf-feature-title{font-size:1rem;font-weight:700;color:var(--abf-primary);margin:0 0 .5rem}.abf-feature-description{font-size:.9rem;color:var(--abf-text-muted);margin:0;line-height:1.5}.abf-tips-grid{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:1.5rem}@media (min-width: 640px){.abf-tips-grid{grid-template-columns:repeat(2,1fr)}}.abf-tip-card{background:var(--abf-card-bg);border-radius:12px;padding:1.25rem;border:1px solid var(--abf-border);box-shadow:0 2px 8px #0000000d}.abf-tip-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}.abf-tip-icon{font-size:1.5rem}.abf-tip-title{font-size:1rem;font-weight:700;color:var(--abf-primary);margin:0}.abf-tip-text{font-size:.9rem;line-height:1.6;color:var(--abf-text);margin:0}.abf-content-table-wrapper{overflow-x:auto;margin:1.5rem 0}.abf-content-table{width:100%;border-collapse:collapse;font-size:.95rem}.abf-content-table th,.abf-content-table td{padding:.875rem 1rem;text-align:left;border:1px solid var(--abf-border)}.abf-content-table th{background:var(--abf-primary);color:#fff;font-weight:600}.abf-content-table tbody tr:nth-child(2n){background:var(--abf-section-bg)}.abf-faq-list{display:flex;flex-direction:column;gap:.75rem}.abf-faq-item{background:var(--abf-card-bg);border-radius:10px;border:1px solid var(--abf-border);overflow:hidden}.abf-faq-question{padding:1rem 1.25rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:space-between;color:var(--abf-text);transition:background-color .2s}.abf-faq-question:hover{background:var(--abf-section-bg)}.abf-faq-question:after{content:"+";font-size:1.25rem;font-weight:400;color:var(--abf-primary);transition:transform .2s}.abf-faq-item[open] .abf-faq-question:after{transform:rotate(45deg)}.abf-faq-answer{padding:0 1.25rem 1.25rem;font-size:.95rem;line-height:1.7;color:var(--abf-text);margin:0}@media (max-width: 640px){.abf-header{padding:1.5rem}.abf-title{font-size:1.5rem}.abf-results-grid{grid-template-columns:1fr}.abf-body-fat-value{font-size:3rem}.abf-gauge-labels{font-size:.6rem}}