:root{--brand-pink: #ec4899;--brand-pink-dark: #db2777;--brand-purple: #7e22ce;--brand-purple-dark: #6b21a8;--text-main: #1e293b;--text-muted: #475569;--border-color: #e2e8f0;--card-bg: #ffffff;--card-shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--hover-shadow: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}body.bmi-page{background:linear-gradient(to bottom,#fff,#faf5ff,#fff);color:var(--text-main)}body.bmi-page ::-moz-selection{background:#ec489933;color:var(--text-main)}body.bmi-page ::selection{background:#ec489933;color:var(--text-main)}body.bmi-page .content-wrapper{padding:40px 20px 60px}body.bmi-page .main-wrapper{max-width:1040px;width:100%;gap:0}.bmi-article{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text-main);width:100%}.bmi-article :focus-visible{outline:2px solid var(--brand-pink);outline-offset:2px}.bmi-article a:not(.cta-button){color:var(--brand-pink);text-decoration:underline;transition:color .15s ease}.bmi-article a:not(.cta-button):hover{color:var(--brand-purple)}.bmi-byline{margin:0 0 .5rem;font-size:.8rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted)}.bmi-title{margin:0;font-size:clamp(2rem,4vw,2.75rem);font-weight:800;letter-spacing:-.03em;line-height:1.15;color:var(--text-main)}.bmi-section{margin-top:3rem;padding-top:2.5rem;border-top:1px solid var(--border-color);scroll-margin-top:5rem}.bmi-section-lead{margin-top:2.25rem;padding-top:0;border-top:0}.bmi-section h2{margin:0 0 .75rem;font-size:clamp(1.35rem,2.5vw,1.75rem);font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--text-main)}.bmi-section>p,.bmi-prose{margin:0 0 1.5rem;max-width:48rem;font-size:1rem;line-height:1.65;color:var(--text-muted)}.bmi-section>p strong,.bmi-prose strong{color:var(--text-main);font-weight:700}.bmi-gender-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:1.25rem}.bmi-gender-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:20px;padding:24px;box-shadow:var(--card-shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;gap:16px}.bmi-gender-female{border-color:#ec489940;background:linear-gradient(180deg,#fff,#fdf2f8)}.bmi-gender-male{border-color:#7e22ce40;background:linear-gradient(180deg,#fff,#faf5ff)}.bmi-gender-card:hover{border-color:#cbd5e1;transform:translateY(-2px);box-shadow:var(--hover-shadow)}.bmi-gender-female:hover{border-color:#ec489966}.bmi-gender-male:hover{border-color:#7e22ce66}.bmi-gender-header{display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--border-color)}.bmi-gender-icon{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.bmi-gender-icon.female-icon{background:#ec48991f;color:var(--brand-pink-dark);border:1px solid rgba(236,72,153,.25)}.bmi-gender-icon.male-icon{background:#7e22ce1f;color:var(--brand-purple);border:1px solid rgba(126,34,206,.25)}.bmi-gender-title{margin:0;font-size:1.15rem;font-weight:800;color:var(--text-main)}.bmi-gender-female .bmi-gender-title{color:var(--brand-pink-dark)}.bmi-gender-male .bmi-gender-title{color:var(--brand-purple)}.bmi-gender-rows{display:flex;flex-direction:column;gap:10px}.bmi-gender-row{display:grid;grid-template-columns:auto 1fr;-moz-column-gap:12px;column-gap:12px;row-gap:2px;align-items:baseline;padding:12px 14px;background:#ffffffd9;border-radius:12px;border:1px solid var(--border-color)}.bmi-gender-metric{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted)}.bmi-gender-val{font-size:1.15rem;font-weight:800;font-variant-numeric:tabular-nums;text-align:right}.bmi-gender-female .bmi-gender-val{color:var(--brand-pink-dark)}.bmi-gender-male .bmi-gender-val{color:var(--brand-purple)}.bmi-gender-desc{grid-column:span 2;font-size:.8rem;line-height:1.45;color:var(--text-muted);margin-top:2px}.bmi-section>.bmi-disclaimer{margin:-.75rem 0 1.25rem;max-width:48rem;font-size:.75rem;line-height:1.45;color:var(--text-muted)}.bmi-section>.bmi-disclaimer strong{font-weight:600;color:inherit}.bmi-chart-grid{display:grid;grid-template-columns:1fr;gap:24px}.bmi-chart{background:#fffffff2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:20px;padding:28px;box-shadow:var(--card-shadow);position:relative;overflow:hidden}.bmi-chart:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--brand-pink),var(--brand-purple),transparent);opacity:.7}.bmi-chart h3{margin:0 0 .35rem;font-size:1.1rem;font-weight:700;color:var(--text-main)}.bmi-chart>p{margin:0 0 1rem;font-size:.875rem;line-height:1.5;color:var(--text-muted)}.bmi-chart-frame{position:relative;width:100%;height:280px;touch-action:pan-y}.bmi-chart-frame-lg{height:360px;touch-action:pan-y}.bmi-chart-follow{margin-top:24px}.bmi-chart-note{margin:.85rem 0 0;font-size:.8rem;line-height:1.5;color:var(--text-muted);text-align:center}.bmi-chart-control-row{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 1rem}.bmi-chart-toggle{padding:6px 16px;min-height:38px;border-radius:9999px;border:1px solid var(--border-color);background:#f8fafc;color:var(--text-muted);font-size:.85rem;font-weight:600;cursor:pointer;touch-action:manipulation;transition:all .15s ease}.bmi-chart-toggle:hover{border-color:#cbd5e1;color:var(--text-main)}.bmi-chart-toggle-active{background:linear-gradient(135deg,var(--brand-pink),var(--brand-purple));border-color:transparent;color:#fff;box-shadow:0 2px 8px #ec48994d}.bmi-chart-toggle-active:hover{color:#fff}.bmi-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:48rem;margin:0 0 1.5rem}.bmi-stats>div{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;padding:20px;box-shadow:var(--card-shadow);text-align:center}.bmi-stats-label{display:block;font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted)}.bmi-stats-value{display:block;margin-top:6px;font-size:2.25rem;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;color:var(--brand-purple);line-height:1.1}.bmi-cta{background:#ffffffe6;border:1px solid var(--border-color);border-radius:24px;padding:40px 24px;box-shadow:var(--card-shadow);text-align:center;position:relative;overflow:hidden}.bmi-cta:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--brand-pink),var(--brand-purple),transparent)}.bmi-cta h2{margin-bottom:.5rem}.bmi-cta p{margin:0 auto 1.5rem;max-width:38rem}.bmi-cta .cta-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;margin-top:.5rem;background:linear-gradient(135deg,var(--brand-pink),var(--brand-purple));color:#fff;font-weight:700;padding:14px 28px;border-radius:12px;text-decoration:none;font-size:1.05rem;line-height:1.25;transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease;box-shadow:0 4px 15px #ec489959}.bmi-cta .cta-button:hover{color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 6px 20px #ec489973}.bmi-cta .cta-button:active{transform:translateY(0)}.bmi-cta .cta-button svg{width:20px;height:20px;stroke:#fff}.bmi-related{margin:1.5rem 0 0;font-size:.875rem;color:var(--text-muted)}.bmi-related a{font-weight:600}.bmi-refs{padding-top:2rem}.bmi-refs h2{font-size:1.15rem}.bmi-refs ol{margin:0;padding-left:1.25rem;max-width:48rem;display:flex;flex-direction:column;gap:.65rem}.bmi-refs li::marker{color:var(--brand-pink)}.bmi-refs a{color:var(--text-muted);text-decoration:underline}.bmi-refs a:hover{color:var(--brand-pink)}.bmi-credit{margin:1.5rem 0 0;font-size:.85rem;color:var(--text-muted)}.bmi-calc{display:grid;grid-template-columns:1fr;gap:24px}.bmi-calc-card{background:#fffffff2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:20px;padding:26px;box-shadow:var(--card-shadow);position:relative;overflow:hidden}.bmi-calc-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--brand-pink),var(--brand-purple),transparent)}.bmi-calc-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem;padding-bottom:.85rem;border-bottom:1px solid var(--border-color)}.bmi-calc-header-title{font-size:.85rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-main);display:flex;align-items:center;gap:.5rem}.bmi-calc-header-title svg{color:var(--brand-pink)}.bmi-calc-form{display:flex;flex-direction:column;gap:1.15rem}.bmi-calc-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.bmi-calc-row-3{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:.85rem}.bmi-calc-field label{display:block;margin-bottom:.4rem;font-size:.85rem;font-weight:600;color:var(--text-main)}.bmi-calc-hint{font-weight:400;color:var(--text-muted);font-size:.75rem}.bmi-calc-field input,.bmi-calc-field select{width:100%;min-height:46px;box-sizing:border-box;padding:.75rem .95rem;border:1px solid #cbd5e1;border-radius:10px;background:#fff;color:var(--text-main);font-size:1rem;font-weight:500;line-height:1.25;-webkit-appearance:none;-moz-appearance:none;appearance:none;transition:border-color .15s ease,box-shadow .15s ease}.bmi-calc-field input:focus,.bmi-calc-field select:focus{outline:none;border-color:var(--brand-pink);box-shadow:0 0 0 3px #ec489926}.bmi-calc-field select{padding-right:2.4rem;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748b' d='M1.4.6 6 5.2 10.6.6 12 2 6 8 0 2z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .9rem center;cursor:pointer}.bmi-unit-toggle{display:flex;gap:6px}.bmi-segmented-toggle{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:#f1f5f9;border:1px solid var(--border-color);border-radius:10px;padding:4px}.bmi-seg-btn{display:flex;align-items:center;justify-content:center;gap:.45rem;min-height:38px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--text-muted);font-size:.875rem;font-weight:600;cursor:pointer;transition:all .15s ease;touch-action:manipulation}.bmi-seg-btn svg{flex-shrink:0;opacity:.7;transition:opacity .15s ease}.bmi-seg-btn:hover{color:var(--text-main)}.bmi-seg-btn-active{background:linear-gradient(135deg,var(--brand-pink),var(--brand-purple));color:#fff;box-shadow:0 2px 6px #ec48994d}.bmi-sex-btn[data-sex=male].bmi-seg-btn-active{background:#7e22ce;color:#fff;box-shadow:0 2px 6px #7e22ce4d}.bmi-sex-btn[data-sex=female].bmi-seg-btn-active{background:#db2777;color:#fff;box-shadow:0 2px 6px #db27774d}.bmi-seg-btn-active svg{opacity:1}.bmi-build-toggle{display:grid;grid-template-columns:1fr;gap:8px}.bmi-build-btn{min-height:48px;padding:10px 14px;border-radius:10px;border:1px solid var(--border-color);background:#f8fafc;color:var(--text-muted);font-size:.875rem;font-weight:600;text-align:left;line-height:1.35;cursor:pointer;touch-action:manipulation;transition:all .15s ease}.bmi-build-btn:hover{border-color:#cbd5e1;background:#fff}.bmi-build-btn strong{display:block;margin-bottom:.15rem;color:var(--text-main);font-size:.9rem}.bmi-build-btn span{display:block;font-size:.75rem;font-weight:400;color:var(--text-muted)}.bmi-build-btn-active{border-color:var(--brand-pink);background:linear-gradient(135deg,#fdf2f8,#faf5ff);box-shadow:0 0 0 1px var(--brand-pink)}.bmi-build-btn-active strong{color:var(--brand-pink)}.bmi-build-btn-active span{color:var(--brand-purple)}.bmi-res-top{display:flex;justify-content:space-between;align-items:flex-start;gap:1.25rem;padding-bottom:1.15rem;border-bottom:1px solid var(--border-color)}.bmi-res-top>div:last-child{text-align:right}.bmi-res-label{display:block;font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted)}.bmi-res-bmi{display:flex;flex-wrap:wrap;align-items:baseline;gap:.6rem;margin-top:.25rem}.bmi-res-bmi-value{font-size:2.25rem;font-weight:800;letter-spacing:-.03em;color:var(--text-main);font-variant-numeric:tabular-nums;line-height:1}#res-status{font-size:.72rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:.25rem .65rem;border-radius:9999px;border:1px solid var(--border-color);box-shadow:0 1px 3px #0000000d}#res-target-bmi{margin-top:.25rem;font-size:1.75rem;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.1;color:var(--brand-purple)}.bmi-res-scale-wrap{padding:.25rem 0}.bmi-res-scale-labels{display:flex;justify-content:space-between;align-items:center;margin-bottom:.45rem;font-size:.75rem;font-weight:600;color:var(--text-muted);font-variant-numeric:tabular-nums}.bmi-res-scale{position:relative;height:12px;border-radius:9999px;background:#e2e8f0;border:1px solid #cbd5e1;overflow:visible}#res-range-band{position:absolute;top:-1px;bottom:-1px;border-radius:9999px;background:linear-gradient(90deg,var(--brand-pink),var(--brand-purple));box-shadow:0 0 10px #ec489959;transition:all .3s cubic-bezier(.4,0,.2,1)}#res-range-marker{position:absolute;top:50%;width:18px;height:18px;margin-top:-9px;margin-left:-9px;border-radius:50%;background:#fff;border:3px solid var(--brand-purple);box-shadow:0 2px 6px #00000040;transition:left .3s cubic-bezier(.4,0,.2,1);z-index:2}#res-weight-band{margin:.85rem 0 0;font-size:.88rem;font-weight:600;line-height:1.45;color:var(--text-main)}#res-delta{margin:.35rem 0 0;font-size:.82rem;line-height:1.45;color:var(--text-muted)}.bmi-bf-card{display:grid;grid-template-columns:1fr 1fr;gap:1rem 1.5rem;padding:1.15rem;background:#f8fafc;border:1px solid var(--border-color);border-radius:14px}.bmi-bf-stat-label{display:block;margin-bottom:.35rem;font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted)}.bmi-bf-stat-value{font-size:1.4rem;font-weight:800;line-height:1.2;color:var(--text-main);font-variant-numeric:tabular-nums}#res-bf-research{color:var(--brand-purple)}.bmi-bf-stat-note{display:block;margin-top:.35rem;font-size:.75rem;line-height:1.4;color:var(--text-muted)}.bmi-guidance{padding:1.25rem;background:linear-gradient(135deg,#fdf2f8,#faf5ff);border:1px solid rgba(236,72,153,.25);border-radius:16px;position:relative}.bmi-guidance-kicker{margin:0 0 .35rem;font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--brand-pink-dark)}#res-action-title{margin:0 0 .4rem;font-size:1.15rem;font-weight:800;color:var(--text-main)}.bmi-guidance-cal{margin:0 0 .25rem;font-size:2.25rem;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.1;color:var(--brand-pink-dark)}.bmi-cal-unit{font-size:.95rem;font-weight:600;color:var(--text-muted)}.bmi-pace-headline{margin:0 0 .25rem;font-size:.88rem;font-weight:600;color:var(--text-main)}.bmi-maintenance{margin:0 0 .85rem;font-size:.8rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.bmi-pace{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.65rem;margin:.85rem 0 1rem}.bmi-pace:has(#res-pace-mid-wrap[hidden]){grid-template-columns:1fr 1fr}.bmi-pace>div{background:#fff;border:1px solid rgba(236,72,153,.15);border-radius:10px;padding:.65rem .75rem;box-shadow:0 1px 3px #0000000a}.bmi-pace-value{display:block;margin-top:.25rem;font-size:.88rem;font-weight:700;line-height:1.35;color:var(--text-main)}#res-action-desc{margin:0;font-size:.875rem;line-height:1.55;color:var(--text-muted)}#res-timeline{margin:.65rem 0 0;font-size:.8rem;line-height:1.45;color:var(--text-muted);font-weight:500}#calc-results-empty{color:var(--text-muted);padding:2.5rem 1rem;text-align:center}#calc-results-empty p{margin:0;line-height:1.55}#calc-results-empty p:first-child{margin-bottom:.5rem;color:var(--text-main);font-weight:700;font-size:1.1rem}#calc-results-body{display:flex;flex-direction:column;gap:1.25rem}@media (min-width: 480px){.bmi-build-toggle{grid-template-columns:repeat(3,1fr)}.bmi-build-btn{text-align:center;padding:.75rem .5rem}}@media (min-width: 800px){.bmi-chart-grid{grid-template-columns:1fr 1fr}}@media (min-width: 900px){.bmi-calc{grid-template-columns:1fr 1fr;align-items:start}}@media (max-width: 640px){.bmi-gender-grid{grid-template-columns:1fr;gap:16px}.bmi-chart-frame{height:240px}.bmi-chart-frame-lg{height:270px}.bmi-stats{grid-template-columns:1fr;gap:12px}.bmi-calc-row{grid-template-columns:1fr}.bmi-calc-row-3{grid-template-columns:1fr 1fr}.bmi-calc-weight-full{grid-column:span 2}.bmi-res-top{flex-direction:column;gap:.75rem}.bmi-res-top>div:last-child{text-align:left}.bmi-bf-card,.bmi-pace{grid-template-columns:1fr}}