:root{color-scheme:dark;--bg:#0B0E14;--card:#151A23;--panel:var(--card);--panel-2:#1E293B;--text:#F9FAFB;--ink:#F9FAFB;--muted:#AAB4C0;--line:#232A36;--line-dark:rgba(255,255,255,.11);--accent:#60A5FA;--accent-soft:#1E293B;--result-bg:#1E293B;--shadow:0 10px 40px rgba(15,23,42,.34);--soft-shadow:0 10px 40px rgba(15,23,42,.18);--radius:24px;--header-bg:rgba(11,14,20,.88);--surface:#151A23;--input-bg:#0B0E14;--theme-duration:.3s}
html[data-theme="light"]{color-scheme:light;--bg:#F8F9FB;--card:#FFFFFF;--panel:var(--card);--panel-2:#FFFFFF;--text:#111827;--ink:#111827;--muted:#5D6772;--line:#E6EAF0;--line-dark:#E6EAF0;--accent:#2563EB;--accent-soft:#EEF2FF;--result-bg:#EEF2FF;--shadow:0 10px 40px rgba(17,24,39,.06);--soft-shadow:0 10px 40px rgba(17,24,39,.06);--header-bg:rgba(248,249,251,.90);--surface:#FFFFFF;--input-bg:#FFFFFF}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 20% -10%,rgba(37,99,235,.10),transparent 30%),radial-gradient(circle at 88% 0%,rgba(16,185,129,.08),transparent 28%),var(--bg);color:var(--text);font:16px/1.65 "Inter",ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body:before{content:"";position:fixed;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 30%);opacity:.9}a{color:inherit;text-decoration:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.container{width:min(1180px,calc(100% - 32px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-dark)}.nav{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.brand-logo-img{display:block;width:132px;height:52px;object-fit:contain;object-position:left center;filter:drop-shadow(0 8px 18px rgba(17,24,39,.14));transition:transform .25s ease}.brand:hover .brand-logo-img{transform:translateY(-1px)}.header-actions{display:flex;align-items:center;gap:10px}.nav-links{display:none}.lang{min-height:42px;padding:9px 12px;border-radius:12px;background:var(--surface);border:1px solid var(--line-dark);color:var(--text)}select,input,textarea,button{font:inherit}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:44px;height:42px;padding:0 12px;border:1px solid var(--line-dark);border-radius:12px;background:var(--surface);color:var(--text);cursor:pointer;transition:transform .2s ease,background .2s ease,border-color .2s ease}.theme-toggle:hover{transform:translateY(-1px)}.theme-toggle .theme-icon{font-size:1rem;line-height:1}.theme-toggle .theme-label{font-size:.82rem;color:var(--muted)}
.hero{position:relative;padding:44px 0 70px;overflow:clip}.hero-inner{position:relative;display:flex;justify-content:center;padding:0 0 24px}.bmi-hero-stack{width:100%;max-width:760px;display:grid;gap:18px}.calc-card{width:100%;max-width:440px;margin:0 auto;padding:24px;background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:24px;box-shadow:var(--soft-shadow)}.calc-card h1{margin:2px 0 6px;font-size:clamp(1.8rem,5vw,2.25rem);line-height:1.15;letter-spacing:-.035em;color:var(--text)}.calc-subtitle{margin:0 0 22px;color:#66717d;font-size:.98rem}.bmi-logo-float-wrap{display:grid;place-items:center;min-height:66px;margin:-4px 0 4px}.purpose-logo-float{width:100px;height:66px;object-fit:contain;object-position:center;animation:softFloat 5.2s ease-in-out infinite;filter:drop-shadow(0 10px 18px rgba(37,99,235,.10))}.bmi-logo-float-wrap:hover .purpose-logo-float{animation-play-state:paused}.primary-input-field label,.field label{font-size:.88rem;color:#374151;font-weight:600}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.unit-tabs{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;margin-bottom:16px;border:1px solid var(--line);border-radius:14px;background:var(--panel-2);overflow:hidden}.unit-tab{position:relative;z-index:1;border:0;background:transparent;color:var(--muted);font:600 15px/1.2 Inter,system-ui,sans-serif;padding:12px 10px;border-radius:10px;cursor:pointer;transition:color .2s ease}.unit-tab.active{color:var(--text)}.unit-tab-pill{position:absolute;z-index:0;inset:4px auto 4px 4px;width:calc(50% - 6px);border-radius:10px;background:var(--card);box-shadow:var(--soft-shadow);transform:translateX(calc(var(--unit-index,0) * 100%));transition:transform .25s ease}.height-slider-row{grid-column:1/-1;display:grid;gap:0;margin-top:-2px}.height-slider{width:100%;margin:0;accent-color:var(--accent);cursor:pointer}.height-slider::-webkit-slider-runnable-track{height:6px;border-radius:999px;background:linear-gradient(90deg,#bfdbfe 0%,#60a5fa 35%,#2563eb 65%,#1d4ed8 100%)}.height-slider::-webkit-slider-thumb{appearance:none;width:18px;height:18px;margin-top:-6px;border-radius:50%;background:var(--accent);border:3px solid var(--card);box-shadow:0 2px 8px rgba(37,99,235,.22)}.height-slider::-moz-range-track{height:6px;border-radius:999px;background:linear-gradient(90deg,#bfdbfe 0%,#60a5fa 35%,#2563eb 65%,#1d4ed8 100%)}.height-slider::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--accent);border:3px solid var(--card);box-shadow:0 2px 8px rgba(37,99,235,.22)}.height-slider-meta{display:flex;align-items:center;justify-content:space-between;margin-top:7px;color:var(--muted);font-size:.78rem}.height-slider-meta output{font-weight:700;color:var(--text)}.field{display:grid;gap:7px}.full{grid-column:1/-1}.details-grid{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:2px}.input-wrap{display:flex;align-items:center;min-height:50px;background:var(--input-bg);border:1px solid var(--line);border-radius:12px;transition:border-color .2s ease,box-shadow .2s ease}.input-wrap:focus-within{border-color:#93b4ff;box-shadow:0 0 0 3px rgba(37,99,235,.09)}.input-wrap input{width:100%;min-width:0;padding:14px;border:0;background:transparent;color:var(--text);outline:none;font-size:16px;line-height:1.25}.input-wrap input::placeholder{color:#a0a8b1}.suffix{padding-inline-end:13px;color:#6b7280;font-size:.9rem}.height-input-wrap{padding-inline-end:0}.unit-select{height:48px;margin-inline-start:auto;border:0;border-inline-start:1px solid #e5e7eb;background:var(--panel-2);color:var(--text);padding:0 12px;outline:none;border-start-start-radius:0;border-end-start-radius:0;border-start-end-radius:11px;border-end-end-radius:11px}.imperial-height-wrap{display:flex;align-items:center;gap:6px;padding-inline-start:10px;flex:1}.imperial-height-wrap input{padding-inline:6px}.select-input{width:100%;min-height:52px;padding:14px;border-radius:12px;background:var(--input-bg);border:1px solid var(--line);color:#111827;outline:none;font-size:16px;line-height:1.25}.select-input:focus{border-color:#93b4ff;box-shadow:0 0 0 3px rgba(37,99,235,.09)}.actions-row{display:flex;gap:10px;margin-top:2px}.primary{flex:1;width:100%;border:0;border-radius:12px;padding:14px;background:#111827;color:#F9FAFB;font-weight:700;cursor:pointer;box-shadow:none;transition:transform .18s ease,background .18s ease}.primary:hover{transform:translateY(-1px);background:#0f172a}.secondary{border:1px solid #dfe5ec;border-radius:12px;padding:12px 15px;background:var(--card);color:var(--text);cursor:pointer;transition:transform .18s ease,border-color .18s ease,background .18s ease}.secondary:hover{transform:translateY(-1px);border-color:#c7d2e0;background:#f8fafc}
.result-card{display:grid;gap:15px;margin-top:18px;padding:18px;border-radius:18px;background:var(--result-bg);border:1px solid var(--accent);color:var(--text);opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}.result-card.result-visible{opacity:1;transform:none}.result-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.result-number{font-size:32px;font-weight:800;line-height:1;letter-spacing:-.03em;color:var(--accent);margin-top:4px;font-variant-numeric:tabular-nums}.category-pill-wrap{display:flex;align-items:flex-start}.category-pill{display:inline-flex;padding:7px 11px;border-radius:999px;background:#e5e7eb;color:#374151;font-size:.8rem;font-weight:700}.category-pill.underweight{background:#dbeafe;color:#1d4ed8}.category-pill.healthy{background:#dcfce7;color:#166534}.category-pill.overweight{background:#fef9c3;color:#854d0e}.category-pill.obese{background:#fee2e2;color:#991b1b}.result-copy{margin:0;color:#4b5563}.result-tip{margin:-7px 0 0;color:#556170;font-size:.82rem;font-weight:600}.result-disclaimer{padding-top:4px;color:#6b7280;font-size:.78rem}.bmi-scale{display:grid;gap:8px}.bmi-gradient-scale{position:relative;height:14px;border-radius:999px;background:linear-gradient(90deg,#60a5fa 0%,#22c55e 28%,#facc15 50%,#facc15 66%,#ef4444 80%,#ef4444 100%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14)}.bmi-marker{position:absolute;top:-7px;left:50%;width:4px;height:28px;border-radius:999px;background:#111827;transform:translateX(-50%);box-shadow:0 3px 10px rgba(15,23,42,.25);transition:left .5s ease}.bmi-marker::before{content:"";position:absolute;left:50%;top:-4px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid #111827;transform:translate(-50%,-50%)}.bmi-marker-value{position:absolute;top:-31px;left:50%;transform:translateX(-50%);white-space:nowrap;padding:3px 7px;border-radius:999px;background:var(--text);color:var(--card);font-size:.66rem;font-weight:800;line-height:1;box-shadow:0 5px 12px rgba(15,23,42,.16)}.bmi-scale-labels{display:flex;justify-content:space-between;gap:12px;color:#697586;font-size:.7rem}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat{padding:13px;border-radius:14px;background:color-mix(in srgb,var(--card) 78%, transparent);border:1px solid var(--line)}.stat span{display:block;color:#6b7280;font-size:.75rem}.stat strong{display:block;margin-top:3px;color:var(--text);font-size:.98rem}.method-line{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:11px 12px;border-radius:12px;background:rgba(255,255,255,.62);font-size:.78rem;color:#64748b}.method-line strong{color:#374151;font-weight:600}.row{display:flex;gap:10px;flex-wrap:wrap}.row .secondary{flex:1}
.soft-content-card{width:100%;padding:24px;background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:20px;box-shadow:var(--soft-shadow)}.bmi-chart-card h2,.seo-bmi-content h2{margin:0 0 8px;font-size:1.35rem;letter-spacing:-.025em}.soft-card-lede{margin:0 0 18px;color:#6b7280}.bmi-four-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.bar-item{display:grid;gap:8px}.bar-color{height:12px;border-radius:99px}.bar-item strong{font-size:.83rem;color:var(--text)}.bar-item span{font-size:.74rem;color:#6b7280}.bar-item.underweight .bar-color{background:#60a5fa}.bar-item.healthy .bar-color{background:#22c55e}.bar-item.overweight .bar-color{background:#f59e0b}.bar-item.obese .bar-color{background:#ef4444}.seo-bmi-content{display:grid;gap:10px}.seo-bmi-content p{margin:0;color:var(--muted);font-size:.94rem}.section{padding:72px 0}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:26px}.section h2{font-size:clamp(1.8rem,4vw,2.7rem);letter-spacing:-.04em;margin:0}.section-lede{max-width:720px;color:var(--muted)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tool-card{padding:22px;min-height:190px;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--line-dark);background:rgba(255,255,255,.05);border-radius:20px;transition:transform .22s ease,border-color .22s ease,background .22s ease}.tool-card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.075)}.tool-card h3{margin:10px 0 6px}.tool-card p{color:var(--muted);margin:0}.icon{width:44px;height:44px;border-radius:14px;background:#eff6ff;color:#2563eb;display:grid;place-items:center;font-size:1.1rem}.icon svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.article{max-width:820px}.article p,.article li{color:#c7d0d8}.answer{padding:18px 0;border-top:1px solid var(--line-dark)}.answer h3{margin:.2rem 0 .5rem;font-size:1.15rem}.answer p{margin:0;color:var(--muted)}.table-wrap{overflow:auto;border:1px solid var(--line-dark);border-radius:18px}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:13px 15px;border-bottom:1px solid var(--line-dark);text-align:left}.table th{background:rgba(255,255,255,.05)}.ratings{display:grid;grid-template-columns:.8fr 1.2fr;gap:18px}.card{padding:26px;border-radius:20px}.rating-form{display:grid;gap:14px}.rating-stars{display:flex;flex-direction:row-reverse;justify-content:flex-end;gap:4px}.rating-stars input{position:absolute;opacity:0}.rating-stars label{font-size:1.9rem;color:#3a4750;cursor:pointer;transition:.15s}.rating-stars label:hover,.rating-stars label:hover~label,.rating-stars input:checked~label{color:#fbbf24}.review-card{padding:18px;border:1px solid var(--line-dark);border-radius:18px;background:rgba(255,255,255,.04);margin-bottom:10px}.review-stars{color:#fbbf24;letter-spacing:2px}.footer{padding:50px 0 80px;border-top:1px solid var(--line-dark);color:var(--muted)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer-links{display:grid;gap:8px}.social-links{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}.social-links a{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;border:1px solid var(--line-dark);background:rgba(255,255,255,.04)}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,30px);opacity:0;pointer-events:none;z-index:100;background:#111c25;color:#fff;border:1px solid var(--line-dark);padding:12px 16px;border-radius:14px;box-shadow:var(--shadow);transition:.25s}.toast.show{transform:translate(-50%,0);opacity:1}.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}.reveal.is-visible{opacity:1;transform:none}.notice{padding:14px 16px;border-radius:16px;background:rgba(125,211,252,.07);border:1px solid rgba(125,211,252,.12);color:#cfeaf4}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.admin-table{width:100%;border-collapse:collapse}.admin-table th,.admin-table td{padding:12px;border-bottom:1px solid var(--line-dark);vertical-align:top;text-align:left}.admin-actions{display:flex;gap:6px;flex-wrap:wrap}.admin-actions button{padding:7px 9px;border-radius:10px;border:1px solid var(--line-dark);background:var(--surface);color:var(--text);cursor:pointer}.hidden{display:none!important}
/* PWA */.pwa-install-banner{position:fixed;inset:12px 16px auto;z-index:1200;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;max-width:980px;margin-inline:auto;padding:12px 14px;border:1px solid rgba(148,229,201,.22);border-radius:18px;background:rgba(10,17,23,.94);box-shadow:0 18px 50px rgba(15,23,42,.30);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.pwa-install-icon{width:84px;height:56px;display:grid;place-items:center;border-radius:14px;overflow:hidden;background:rgba(255,255,255,.05)}.pwa-install-icon img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}.pwa-install-copy{display:grid;gap:2px;min-width:0}.pwa-install-copy strong{font-size:.96rem;color:#f2faf7}.pwa-install-copy span{font-size:.84rem;color:#b9c9c7;line-height:1.35}.pwa-install-actions{display:flex;align-items:center;gap:8px}.pwa-install-btn{white-space:nowrap}.pwa-install-dismiss{width:36px;height:36px;border:0;border-radius:10px;background:transparent;color:#9fb2b0;font-size:1.45rem;cursor:pointer}.pwa-install-dismiss:hover{background:rgba(255,255,255,.06);color:#fff}.pwa-install-modal-backdrop{position:fixed;inset:0;z-index:1300;display:grid;place-items:center;padding:20px;background:rgba(4,9,13,.60);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.pwa-install-modal{position:relative;width:min(92vw,440px);padding:28px;border-radius:24px;background:#101922;border:1px solid rgba(148,229,201,.18);color:#edf7f4;box-shadow:0 30px 90px rgba(15,23,42,.45)}.pwa-install-modal h2{margin:12px 0 8px;font-size:1.25rem}.pwa-install-modal p{margin:8px 0;color:#bdccca;line-height:1.55}.pwa-ios-steps{font-size:.92rem}.pwa-modal-close{position:absolute;top:10px;right:12px;width:34px;height:34px;border:0;background:transparent;color:#9fb2b0;font-size:1.4rem;cursor:pointer}.print-result .pdf-sheet{display:block}
.pdf-sheet{display:none;font-family:Inter,Arial,sans-serif;font-synthesis:none;filter:none!important;opacity:1!important;transform:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important;image-rendering:auto}.print-result{background:#fff;color:#111827}.print-result .pdf-sheet{display:block}.pdf-brand{display:grid;grid-template-columns:140px 1fr;gap:18px;align-items:center}.pdf-logo{width:140px;height:84px;object-fit:contain}.pdf-brand-name{font-size:1.3rem;font-weight:800}.pdf-receipt-title{font-weight:700}.pdf-brand-url{color:#111827;font-size:.85rem}.pdf-rule{height:1px;background:#111827;margin:18px 0}.pdf-kicker{font-weight:800}.pdf-title{font-size:3rem;margin:.2rem 0}.pdf-category,.pdf-tagline{font-weight:700}.pdf-name-highlight{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:16px 0 18px;padding:13px 16px;border:1px solid #d1d5db;border-radius:12px;background:#f8fafc;color:#111827}.pdf-name-highlight span{font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#4b5563}.pdf-name-highlight strong{font-size:1rem;font-weight:800;color:#111827}.pdf-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}.pdf-item,.pdf-details>div{padding:12px;border:1px solid #cfd6de;color:#111827}.pdf-item span,.pdf-details span{display:block;font-size:.75rem}.pdf-item strong,.pdf-details strong{display:block}.pdf-details{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.pdf-disclaimer{margin-top:18px;padding:12px;border-top:1px solid #111827}.pdf-footer{margin-top:18px;display:flex;justify-content:space-between;gap:10px;font-size:.8rem;color:#111827}
@keyframes softFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* Accessible theme transition: colors and surfaces change smoothly without affecting layout motion. */
html.theme-switching,html.theme-switching *{transition:color var(--theme-duration) ease,background-color var(--theme-duration) ease,border-color var(--theme-duration) ease,box-shadow var(--theme-duration) ease,fill var(--theme-duration) ease,stroke var(--theme-duration) ease!important}

html[data-theme="dark"] .calc-card,html[data-theme="dark"] .soft-content-card{background:var(--card);color:var(--text);border-color:var(--line);box-shadow:var(--soft-shadow)}
html[data-theme="dark"] .calc-card h1,html[data-theme="dark"] .calc-subtitle,html[data-theme="dark"] .primary-input-field label,html[data-theme="dark"] .field label{color:var(--text)}
html[data-theme="dark"] .input-wrap,html[data-theme="dark"] .select-input{background:#0B0E14;border-color:#232A36;color:#F9FAFB}
html[data-theme="dark"] .input-wrap input,html[data-theme="dark"] .select-input{color:#F9FAFB;background:#0B0E14}
html[data-theme="dark"] .input-wrap input::placeholder{color:#AAB4C0}
html[data-theme="dark"] .unit-select{background:#151A23;border-left-color:#232A36;color:#F9FAFB}
html[data-theme="dark"] .result-card{background:#1E293B;color:#F9FAFB;border-color:#334155}
html[data-theme="dark"] .result-copy,html[data-theme="dark"] .result-disclaimer,html[data-theme="dark"] .soft-card-lede,html[data-theme="dark"] .seo-bmi-content p{color:#CBD5E1}
html[data-theme="dark"] .stat{background:#151A23;border-color:#334155}
html[data-theme="dark"] .stat span{color:#AAB4C0}
html[data-theme="dark"] .stat strong,html[data-theme="dark"] .method-line strong{color:#F9FAFB}
html[data-theme="dark"] .method-line{background:#151A23;color:#CBD5E1}
html[data-theme="dark"] .secondary{background:#151A23;color:#F9FAFB;border-color:#334155}
html[data-theme="dark"] .secondary:hover{background:#1E293B;border-color:#475569}
html[data-theme="dark"] .bmi-chart-card h2,html[data-theme="dark"] .seo-bmi-content h2,html[data-theme="dark"] .bar-item strong{color:#F9FAFB}
html[data-theme="dark"] .bar-item span{color:#AAB4C0}
html[data-theme="dark"] .table th{background:#151A23}
html[data-theme="dark"] .article p,html[data-theme="dark"] .article li{color:#CBD5E1}
html[data-theme="dark"] .answer p{color:#AAB4C0}
html[data-theme="dark"] .review-card{background:#151A23}
html[data-theme="dark"] .pwa-install-modal{background:#151A23;color:#F9FAFB}
html[data-theme="dark"] .pwa-install-banner{background:rgba(21,26,35,.96)}
html[data-theme="dark"] .pdf-sheet{background:#fff;color:#111827}

html[data-theme="light"] .calc-card,html[data-theme="light"] .soft-content-card{background:var(--card);color:var(--text);border-color:var(--line);box-shadow:var(--soft-shadow)}
html[data-theme="light"] .calc-card h1{color:#111827}
html[data-theme="light"] .input-wrap,html[data-theme="light"] .select-input{background:#FFFFFF;border-color:#E6EAF0;color:#111827}
html[data-theme="light"] .input-wrap input,html[data-theme="light"] .select-input{color:#111827;background:#FFFFFF}
html[data-theme="light"] .unit-select{background:#FFFFFF;border-left-color:#E6EAF0;color:#111827}
html[data-theme="light"] .result-card{background:#EEF2FF;color:#111827;border-color:#C7D2FE}
html[data-theme="light"] .result-number{color:#2563EB}

/* Arabic RTL control and numeric-value safeguards */
html[dir="rtl"] .form-grid,
html[dir="rtl"] .details-grid,
html[dir="rtl"] .result-top,
html[dir="rtl"] .height-slider-meta,
html[dir="rtl"] .pdf-name-highlight { direction: rtl; }
html[dir="rtl"] .height-slider-meta output { direction:ltr; unicode-bidi:isolate; text-align:left; }
html[dir="rtl"] .bmi-gradient-scale { direction:ltr; }
html[dir="rtl"] .height-slider { direction:rtl; }
html[dir="rtl"] .select-input option { direction:rtl; text-align:right; }

@media(max-width:820px){.container{width:min(100% - 24px,760px)}.grid-3{grid-template-columns:1fr}.ratings{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.two-col{grid-template-columns:1fr}.hero{padding-top:28px}.details-grid{grid-template-columns:1fr}.stat-grid{grid-template-columns:1fr}.bmi-four-bar{grid-template-columns:1fr 1fr}.pwa-install-banner{inset:10px 12px auto;grid-template-columns:auto 1fr}.pwa-install-actions{grid-column:1/-1;justify-content:flex-end}.pwa-install-icon{width:86px;height:54px}}
@media(max-width:560px){.brand-logo-img{width:116px;height:48px}.theme-toggle .theme-label{display:none}.theme-toggle{width:42px;padding:0}.lang{max-width:118px}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}.details-grid{grid-template-columns:1fr}.actions-row{flex-direction:column}.bmi-four-bar{grid-template-columns:1fr 1fr}.result-top{align-items:flex-start}.soft-content-card,.calc-card{padding:20px}.pwa-install-copy span{display:none}.pwa-install-actions{grid-column:auto}.pwa-install-banner{grid-template-columns:auto 1fr auto}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}.reveal{opacity:1!important;transform:none!important}}
@media print{body{background:#fff!important;color:#111827!important}body>*:not(#pdfSheet){display:none!important}.pdf-sheet{display:block!important}.pdf-sheet *{color:#111827!important}.pdf-brand-url,.pdf-footer{color:#111827!important}}
html[data-theme="light"] .lang{background:#fff;color:#111827;border-color:#dfe5ec}html[data-theme="light"] .theme-toggle{background:#fff;color:#111827;border-color:#dfe5ec}html[data-theme="light"] .footer{border-top-color:#e5e7eb}html[data-theme="light"] .tool-card{background:#fff;border-color:#e7ebf1;box-shadow:var(--soft-shadow)}html[data-theme="light"] .tool-card p,html[data-theme="light"] .section-lede{color:#66717d}html[data-theme="light"] .section h2{color:#111827}html[data-theme="light"] .answer p,html[data-theme="light"] .article p,html[data-theme="light"] .article li{color:#4b5563}html[data-theme="light"] .review-card{background:#fff;border-color:#e7ebf1}html[data-theme="light"] .social-links a{background:#fff;color:#4b5563;border-color:#dfe5ec}
@media print{
  @page{size:A4;margin:12mm}
  html,body{background:#fff!important;color:#111827!important}
  body.print-result{font-family:Inter,Arial,sans-serif!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  body.print-result>*:not(#pdfSheet){display:none!important}
  body.print-result #pdfSheet{display:block!important;width:auto!important;max-width:180mm!important;margin:0 auto!important;padding:0!important;background:#fff!important;color:#111827!important;filter:none!important;opacity:1!important;transform:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
  body.print-result #pdfSheet *{filter:none!important;opacity:1!important;transform:none!important;color:#111827!important;text-shadow:none!important}
  body.print-result #pdfSheet .pdf-logo{display:block!important;width:156px!important;height:104px!important;object-fit:contain!important;image-rendering:auto!important}
  body.print-result #pdfSheet .pdf-title{font-size:2.65rem!important;line-height:1.1!important}
  body.print-result #pdfSheet .pdf-item,body.print-result #pdfSheet .pdf-details>div,body.print-result #pdfSheet .pdf-name-highlight{background:#fff!important;border-color:#d1d5db!important}
  body.print-result #pdfSheet .pdf-rule{background:#111827!important}
  body.print-result #pdfSheet .pdf-disclaimer{border-top-color:#111827!important}
}

html[data-theme="dark"] .result-tip{color:#CBD5E1}
html[data-theme="dark"] .bmi-marker{background:#F9FAFB}
html[data-theme="dark"] .bmi-marker::before{background:#151A23;border-color:#F9FAFB}
html[data-theme="light"] .bmi-marker{background:#111827}
@media(prefers-reduced-motion:reduce){.result-card{opacity:1!important;transform:none!important}.bmi-marker{transition:none!important}.result-number{transition:none!important}}

html[data-theme="dark"] .unit-tabs{background:#151A23;border-color:#232A36}html[data-theme="dark"] .unit-tab-pill{background:#1E293B}html[data-theme="dark"] .unit-tab{color:#AAB4C0}html[data-theme="dark"] .unit-tab.active{color:#F9FAFB}html[data-theme="light"] .unit-tabs{background:#F1F5F9;border-color:#E6EAF0}html[data-theme="light"] .unit-tab-pill{background:#FFFFFF}html[data-theme="light"] .unit-tab{color:#66717d}html[data-theme="light"] .unit-tab.active{color:#111827}


/* Multilingual / RTL layout */
[dir="rtl"] body{direction:rtl;text-align:right}
[dir="rtl"] .nav,[dir="rtl"] .header-actions,[dir="rtl"] .actions-row,[dir="rtl"] .row,[dir="rtl"] .footer-grid,[dir="rtl"] .social-links,[dir="rtl"] .pwa-install-banner,[dir="rtl"] .pwa-install-actions{direction:rtl}
[dir="rtl"] .brand-logo-img{object-position:right center}
[dir="rtl"] .calc-card,[dir="rtl"] .soft-content-card,[dir="rtl"] .article,[dir="rtl"] .section,[dir="rtl"] .footer{text-align:right}
[dir="rtl"] label,[dir="rtl"] .field label{display:block;text-align:right}
[dir="rtl"] .input-wrap input,[dir="rtl"] .select-input{direction:rtl;text-align:right}
[dir="rtl"] input[type="number"],[dir="rtl"] input[inputmode="decimal"],[dir="rtl"] input[inputmode="numeric"],[dir="rtl"] output,[dir="rtl"] .result-number,[dir="rtl"] .result-range,[dir="rtl"] .result-calories,[dir="rtl"] .bmi-marker-value{direction:ltr;unicode-bidi:isolate;text-align:left}
[dir="rtl"] .suffix{padding-inline-end:0;padding-inline-start:13px}
[dir="rtl"] .imperial-height-wrap{padding-inline-start:0;padding-inline-end:10px}
[dir="rtl"] .unit-tab-pill{inset-inline-start:auto;inset-inline-end:4px;transform:translateX(calc(var(--unit-index,0) * -100%))}
[dir="rtl"] .bmi-scale,[dir="rtl"] .bmi-scale-labels{direction:ltr}
[dir="rtl"] .pdf-sheet{direction:rtl;text-align:right}
[dir="rtl"] .pdf-grid,[dir="rtl"] .pdf-details,[dir="rtl"] .pdf-footer{direction:rtl}
[dir="rtl"] .pdf-details strong,[dir="rtl"] .pdf-item strong{direction:ltr;unicode-bidi:isolate;text-align:left}
[dir="rtl"] .rating-stars{direction:rtl}
[dir="rtl"] .pwa-modal-close{inset-inline-start:12px;inset-inline-end:auto}
[dir="rtl"] .unit-select{margin-inline-start:0;margin-inline-end:auto;border-inline-start:0;border-inline-end:1px solid #e5e7eb;border-start-start-radius:11px;border-end-start-radius:11px;border-start-end-radius:0;border-end-end-radius:0}
[dir="rtl"] .theme-toggle{direction:rtl}
/* Multilingual language switcher */
.lang {
  direction: ltr;
  text-align: start;
  unicode-bidi: plaintext;
  font-size: .92rem;
  white-space: nowrap;
}
html[dir="rtl"] .lang {
  direction: rtl;
  text-align: start;
}
html[dir="rtl"] .header-actions {
  direction: rtl;
}
@media(max-width:560px){
  .lang { max-width: 150px; }
  html[dir="rtl"] .lang { max-width: 150px; }
}