:root{--bg: #faf9f7;--bg-tint: #f0eef5;--card: #fff;--border: #e4e1ec;--text: #1e1b2e;--text-mid: #4a4560;--text-soft: #7c778e;--primary: #7c6aff;--primary-soft: #edeaff;--coral: #ff6b52;--mint: #10b981;--sky: #38b6ff;--amber: #f59e0b;--rose: #ec4899;--radius: 14px;--radius-sm: 10px}.calc-header{max-width:960px;margin:0 auto;padding:1.5rem 2rem 0}.calc-header-inner{display:flex;align-items:flex-start;gap:1rem;margin-bottom:.75rem}.calc-header-icon{width:52px;height:52px;border-radius:var(--radius-sm);background:#fff0ed;display:flex;align-items:center;justify-content:center;flex-shrink:0}.calc-header-icon svg{width:26px;height:26px}.calc-header h1{font-size:clamp(1.75rem,4vw,2.25rem);font-weight:800;letter-spacing:-.03em;line-height:1.15;color:var(--text)}.subtitle{font-size:1rem;color:var(--text-mid);max-width:620px;line-height:1.6;margin-bottom:.5rem}.calc-meta-row{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;font-size:.78rem;color:var(--text-soft);font-weight:500}.calc-meta-row span{display:flex;align-items:center;gap:.3rem}.calc-meta-row svg{width:14px;height:14px}.disclaimer-banner{max-width:960px;margin:1rem auto 0;padding:0 2rem}.disclaimer-inner{display:flex;align-items:flex-start;gap:.65rem;background:#fffbeb;border:1.5px solid #fde68a;border-radius:var(--radius-sm);padding:.85rem 1rem;font-size:.8rem;color:#78350f;line-height:1.55}.disclaimer-inner svg{width:20px;height:20px;flex-shrink:0;margin-top:.05rem}.disclaimer-inner strong{color:#92400e}.calc-layout{display:grid;grid-template-columns:380px 1fr;gap:1.5rem;max-width:960px;margin:0 auto;padding:1.75rem 2rem 2.5rem;align-items:start}.input-panel{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:1.5rem;position:sticky;top:80px;max-height:calc(100vh - 100px);overflow-y:auto}.progress-wrap{margin-bottom:1.1rem}.progress-track{width:100%;height:6px;background:var(--bg-tint);border-radius:3px;overflow:hidden;margin-bottom:.4rem}.progress-fill{height:100%;width:50%;background:var(--primary);border-radius:3px;transition:width .35s ease}.progress-label{font-size:.7rem;font-weight:600;color:var(--text-soft);letter-spacing:.02em}.section-card{display:none;animation:fadeIn .25s ease}.section-card.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.section-badge{display:inline-block;padding:.3rem .75rem;border-radius:6px;font-size:.72rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;margin-bottom:.35rem}.section-desc{font-size:.78rem;color:var(--text-soft);margin-bottom:1rem;line-height:1.4}.q-card{background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:.85rem;margin-bottom:.65rem;transition:border-color .2s,background .2s}.q-card.answered{border-color:var(--primary)}.q-card.answered-yes{border-color:var(--coral);background:#fff6f4}.q-card.answered-no{border-color:var(--mint);background:#f0fdf8}.q-head{display:flex;gap:.65rem;align-items:flex-start;margin-bottom:.65rem}.q-letter{width:28px;height:28px;border-radius:7px;font-size:.82rem;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}.q-body{flex:1}.q-label{font-size:.82rem;color:var(--text);line-height:1.45;font-weight:500}.q-sub{font-size:.72rem;color:var(--text-soft);font-weight:400;margin-top:.15rem;line-height:1.4}.btn-row{display:flex;gap:.45rem}.option-btn{flex:1;padding:.65rem 1.1rem;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--card);cursor:pointer;text-align:center;font-family:inherit;font-size:.8rem;font-weight:600;color:var(--text-mid);transition:all .15s}.option-btn:hover{border-color:var(--primary);color:var(--primary)}.option-btn.selected{border-color:var(--primary);background:var(--primary-soft);color:var(--primary);font-weight:700}.option-btn.selected[data-val="1"]{border-color:var(--coral);background:#fff0ed;color:var(--coral)}.section-nav{display:flex;justify-content:space-between;align-items:center;margin-top:1rem;padding-top:.85rem;border-top:1px solid var(--border)}.nav-btn{display:flex;align-items:center;gap:.35rem;padding:.55rem 1rem;border-radius:var(--radius-sm);font-family:inherit;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .15s;border:1.5px solid var(--border);background:var(--card);color:var(--text-mid)}.nav-btn svg{width:14px;height:14px}.nav-btn:hover{border-color:var(--primary);color:var(--primary)}.nav-next{border-color:var(--primary);background:var(--primary);color:#fff;margin-left:auto}.nav-next:hover{background:#6b58f0;border-color:#6b58f0}.nav-finish{background:var(--mint);border-color:var(--mint);color:#fff}.nav-finish:hover{background:#059669;border-color:#059669}.mini-calc{margin-bottom:.65rem}.unit-toggle-row{display:flex;gap:0;margin-bottom:.6rem;border:1.5px solid var(--border);border-radius:8px;overflow:hidden}.unit-btn{flex:1;padding:.4rem .5rem;border:none;background:var(--card);font-family:inherit;font-size:.72rem;font-weight:600;color:var(--text-soft);cursor:pointer;transition:all .15s;text-align:center}.unit-btn.selected{background:var(--primary-soft);color:var(--primary);font-weight:700}.unit-btn:not(.selected):hover{background:var(--bg-tint)}.bmi-fields{display:flex;flex-direction:column;gap:.5rem}.field-group label{display:block;font-size:.68rem;font-weight:700;color:var(--text-soft);text-transform:uppercase;letter-spacing:.04em;margin-bottom:.2rem}.input-row{display:flex;align-items:center;gap:.3rem}.input-row input,.inline-input-row input{width:64px;padding:.4rem .5rem;background:var(--card);border:1.5px solid var(--border);border-radius:8px;font-family:inherit;font-size:.82rem;color:var(--text);outline:none;transition:border-color .15s;text-align:center;-moz-appearance:textfield}.input-row input::-webkit-outer-spin-button,.input-row input::-webkit-inner-spin-button,.inline-input-row input::-webkit-outer-spin-button,.inline-input-row input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.input-row input:focus,.inline-input-row input:focus{border-color:var(--primary)}.unit-label{font-size:.72rem;color:var(--text-soft);font-weight:600}.inline-input-row{display:flex;align-items:center;gap:.4rem;margin-bottom:.65rem}.inline-input-row input{width:72px}.calc-result{font-size:.75rem;font-weight:600;color:var(--text-soft);padding:.4rem .6rem;background:var(--bg);border:1px solid var(--border);border-radius:7px;text-align:center;margin-top:.5rem;transition:all .2s}.calc-result.over{color:var(--coral);border-color:var(--coral);background:#fff0ed}.calc-result.warn{color:var(--amber);border-color:#fde68a;background:#fffbeb}.calc-result.ok{color:var(--mint);border-color:#a7f3d0;background:#f0fdf8}.auto-result{font-size:.75rem;font-weight:600;transition:color .2s}.auto-result.over{color:var(--coral)}.auto-result.ok{color:var(--mint)}.results-panel{display:flex;flex-direction:column;gap:1rem}.score-hero{background:var(--card);border:2px solid var(--border);border-radius:var(--radius);padding:1.75rem 1.5rem 1.5rem;text-align:center;transition:all .35s ease}.score-hero.risk-low{border-color:var(--mint);background:#f0fdf8}.score-hero.risk-mid{border-color:var(--amber);background:#fffbeb}.score-hero.risk-high{border-color:var(--coral);background:#fff6f4}.score-ring-wrap{position:relative;width:160px;height:160px;margin:0 auto 1rem}.score-ring{width:160px;height:160px}.score-inner{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.score-num{font-size:3rem;font-weight:800;letter-spacing:-.04em;line-height:1;color:var(--text);transition:color .3s}.score-hero.risk-low .score-num{color:var(--mint)}.score-hero.risk-mid .score-num{color:var(--amber)}.score-hero.risk-high .score-num{color:var(--coral)}.score-denom{font-size:1rem;font-weight:700;color:var(--text-soft)}.risk-badge{display:inline-block;padding:.35rem 1rem;border-radius:20px;font-size:.88rem;font-weight:700;margin-bottom:.5rem;transition:all .3s}.score-hero.risk-low .risk-badge{background:#dcfce7;color:#065f46}.score-hero.risk-mid .risk-badge{background:#fef3c7;color:#78350f}.score-hero.risk-high .risk-badge{background:#ffe4de;color:#9a1c10}.risk-badge{background:#f0eef5;color:var(--text-soft)}.risk-desc{font-size:.82rem;color:var(--text-mid);line-height:1.5;max-width:340px;margin:0 auto}.breakdown-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:1.25rem}.breakdown-card h3{font-size:.88rem;font-weight:700;margin-bottom:.85rem}.factor-grid{display:grid;grid-template-columns:1fr 1fr;gap:.4rem}.factor-item{display:flex;align-items:center;gap:.5rem;padding:.5rem .6rem;border-radius:8px;font-size:.78rem;font-weight:500;background:var(--bg);border:1px solid var(--border);transition:all .2s}.factor-item.scored{background:#fff0ed;border-color:#ffd0c8;color:var(--coral);font-weight:600}.factor-item.not-scored{color:var(--text-soft)}.factor-icon{width:18px;height:18px;flex-shrink:0}.factor-icon.check{color:var(--coral)}.factor-icon.x{color:var(--border)}.factor-letter{font-weight:800;font-size:.82rem;width:14px;flex-shrink:0}.refine-card{display:flex;gap:.75rem;align-items:flex-start;background:#fffbeb;border:1.5px solid #fde68a;border-radius:var(--radius-sm);padding:1rem}.refine-card svg{width:22px;height:22px;flex-shrink:0;margin-top:.1rem}.refine-icon{flex-shrink:0}.refine-title{font-size:.82rem;font-weight:700;color:#92400e;margin-bottom:.3rem}.refine-text{font-size:.78rem;color:#78350f;line-height:1.55}.reco-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:1.25rem}.reco-card h3{font-size:.88rem;font-weight:700;margin-bottom:.85rem}.reco-item{display:flex;gap:.75rem;align-items:flex-start;padding:.85rem;border-radius:var(--radius-sm);border:1.5px solid;margin-bottom:.55rem}.reco-item:last-child{margin-bottom:0}.reco-item.reco-low{border-color:#a7f3d0;background:#f0fdf8}.reco-item.reco-mid{border-color:#fde68a;background:#fffbeb}.reco-item.reco-high{border-color:#ffd0c8;background:#fff6f4}.reco-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.reco-icon svg{width:18px;height:18px}.reco-low .reco-icon{background:#dcfce7}.reco-mid .reco-icon{background:#fef9c3}.reco-high .reco-icon{background:#ffe4de}.reco-title{font-size:.82rem;font-weight:700;margin-bottom:.2rem}.reco-low .reco-title{color:#065f46}.reco-mid .reco-title{color:#78350f}.reco-high .reco-title{color:#9a1c10}.reco-desc{font-size:.77rem;color:var(--text-mid);line-height:1.55}.ref-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:1.25rem}.ref-card h3{font-size:.88rem;font-weight:700;margin-bottom:.85rem}.ref-table{width:100%;border-collapse:collapse;font-size:.78rem}.ref-table th{text-align:left;padding:.5rem .6rem;font-weight:700;color:var(--text-soft);font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;border-bottom:1.5px solid var(--border)}.ref-table td{padding:.6rem;color:var(--text-mid);border-bottom:1px solid var(--border);line-height:1.45}.ref-table tr:last-child td{border-bottom:none}.ref-score,.ref-level{display:inline-block;padding:.15rem .5rem;border-radius:5px;font-weight:700;font-size:.75rem}.ref-low{background:#dcfce7;color:#065f46}.ref-mid{background:#fef3c7;color:#78350f}.ref-high{background:#ffe4de;color:#9a1c10}.science-section{max-width:960px;margin:0 auto;padding:0 2rem 2.5rem}.science-card{background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius);padding:2rem}.science-card h2{font-size:1.25rem;font-weight:800;letter-spacing:-.02em;margin-bottom:.85rem}.science-card p{font-size:.88rem;color:var(--text-mid);line-height:1.65;margin-bottom:.85rem}.formula-box{background:#1e1b2e;color:#edeaff;border-radius:var(--radius-sm);padding:1.1rem 1.25rem;font-family:Space Grotesk,monospace;font-size:.92rem;margin:1.1rem 0;text-align:center}.formula-box .formula-main{font-size:1.05rem;font-weight:700;margin-bottom:.3rem}.formula-box .formula-desc{font-size:.73rem;color:#a8a3be}.citation{font-size:.78rem;color:var(--text-soft);line-height:1.55;padding-left:.85rem;border-left:2px solid var(--border)}.citation em{color:var(--text-mid)}@media(max-width:768px){.calc-header{padding:1.25rem 1.25rem 0}.disclaimer-banner{padding:0 1.25rem}.calc-layout{grid-template-columns:1fr;padding:1.25rem}.input-panel{position:static;max-height:none}.science-section{padding:0 1.25rem 2rem}.factor-grid{grid-template-columns:1fr}}@media(max-width:480px){.option-btn{padding:.5rem .6rem;font-size:.75rem}.input-row input,.inline-input-row input{width:56px}.score-ring-wrap,.score-ring{width:130px;height:130px}.score-num{font-size:2.25rem}}