:root{--primary: #16A34A;--primary-50: #F0FDF4;--primary-100: #DCFCE7;--primary-200: #BBF7D0;--primary-400: #4ADE80;--primary-500: #22C55E;--primary-600: #16A34A;--primary-700: #15803D;--primary-800: #166534;--primary-dark: #15803D;--primary-light: #BBF7D0;--primary-bg: #F0FDF4;--danger: #DC2626;--danger-50: #FEF2F2;--danger-100: #FEE2E2;--danger-bg: #FEF2F2;--warning: #EA580C;--warning-50: #FFF7ED;--warning-bg: #FFF7ED;--info: #2563EB;--info-50: #EFF6FF;--info-bg: #EFF6FF;--success: #16A34A;--bg: #F8FAFC;--bg-secondary: #F1F5F9;--surface: #FFFFFF;--text: #0F172A;--text-secondary: #475569;--text-muted: #94A3B8;--text-placeholder: #CBD5E1;--border: #E2E8F0;--border-light: #F1F5F9;--text-xs: 11px;--text-sm: 13px;--text-base: 15px;--text-lg: 17px;--text-xl: 20px;--text-2xl: 24px;--text-3xl: 32px;--text-4xl: 46px;--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 20px;--space-2xl: 24px;--space-3xl: 32px;--radius-xs: 6px;--radius-sm: 10px;--radius: 16px;--radius-lg: 20px;--radius-xl: 24px;--radius-full: 9999px;--shadow-xs: 0 1px 2px rgba(0,0,0,.04);--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow: 0 4px 12px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.04);--shadow-md: 0 8px 24px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);--shadow-lg: 0 16px 40px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.05);--shadow-xl: 0 24px 56px rgba(0,0,0,.14), 0 8px 20px rgba(0,0,0,.06);--shadow-green: 0 8px 24px rgba(22,163,74,.25);--shadow-red: 0 8px 24px rgba(220,38,38,.25);--shadow-orange: 0 8px 24px rgba(234,88,12,.25);--shadow-yellow: 0 8px 24px rgba(202,138,4,.25);--transition-fast: .15s cubic-bezier(.4,0,.2,1);--transition: .25s cubic-bezier(.4,0,.2,1);--transition-slow: .4s cubic-bezier(.4,0,.2,1);--transition-spring: .4s cubic-bezier(.34,1.56,.64,1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,PingFang SC,Microsoft 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var(--transition)}.card:hover{box-shadow:var(--shadow)}.card-header{font-size:var(--text-base);font-weight:700;margin-bottom:var(--space-lg);display:flex;align-items:center;gap:var(--space-sm);letter-spacing:-.2px}.score-circle{width:144px;height:144px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto;font-weight:700;color:#fff;position:relative;box-shadow:var(--shadow-green)}.score-circle:before{content:"";position:absolute;top:-8px;right:-8px;bottom:-8px;left:-8px;border-radius:50%;border:2px solid rgba(255,255,255,.15);animation:ringPulse 2.5s ease-in-out infinite}@keyframes ringPulse{0%,to{transform:scale(1);opacity:.5}50%{transform:scale(1.04);opacity:.15}}.score-circle .score-num{font-size:var(--text-4xl);line-height:1;letter-spacing:-3px}.score-circle .score-label{font-size:var(--text-sm);opacity:.9;font-weight:600;margin-top:2px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 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22px;border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:600;box-shadow:var(--shadow-lg);animation:toastIn .35s cubic-bezier(.34,1.56,.64,1);white-space:nowrap;pointer-events:auto}.toast-success{background:var(--primary-700)}.toast-error{background:var(--danger)}@keyframes toastIn{0%{opacity:0;transform:translateY(16px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}.loading{text-align:center;padding:60px var(--space-xl);color:var(--text-secondary)}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary-500);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto var(--space-lg)}@keyframes spin{to{transform:rotate(360deg)}}.result-header{text-align:center;padding:var(--space-2xl) 0 var(--space-lg)}.share-sticky{position:sticky;bottom:80px;margin:var(--space-lg) -20px -20px;padding:var(--space-lg) var(--space-xl);background:linear-gradient(to top,var(--surface) 60%,transparent);z-index:10}.scroll-row{display:flex;gap:var(--space-sm);overflow-x:auto;padding-bottom:var(--space-sm);-webkit-overflow-scrolling:touch;scroll-snap-type:x mandatory}.scroll-row::-webkit-scrollbar{display:none}.scroll-card{flex-shrink:0;width:160px;padding:var(--space-lg);border-radius:var(--radius);background:var(--surface);border:1px solid var(--border-light);scroll-snap-align:start;cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--shadow-xs)}.scroll-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.scroll-card .scroll-score{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:var(--text-sm);color:#fff;margin-bottom:var(--space-sm)}.scroll-card .scroll-name{font-size:var(--text-sm);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.scroll-card .scroll-brand{font-size:var(--text-xs);color:var(--text-muted);margin-top:2px}.counter-value{font-variant-numeric:tabular-nums;transition:all var(--transition-slow)}@media (min-width: 1024px){.app{flex-direction:row}.navbar{display:none}.page{padding:var(--space-3xl) 40px var(--space-3xl);max-width:900px;margin:0 auto}.bottom-nav{position:fixed;left:0;top:0;bottom:0;width:210px;height:100vh;flex-direction:column;justify-content:flex-start;padding:80px 0 0;border-right:1px solid var(--border);border-top:none}.bottom-nav-item{flex-direction:row;gap:var(--space-md);padding:13px 24px;font-size:var(--text-base);width:100%;border-radius:0}.bottom-nav-item .icon{font-size:22px}.bottom-nav-item.active:after{display:none}.bottom-nav-item.active{background:var(--primary-50)}.bottom-nav-item.active:before{content:"";position:absolute;right:0;top:6px;bottom:6px;width:3px;border-radius:3px 0 0 3px;background:var(--primary)}.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg)}.compare-grid{grid-template-columns:150px 1fr 1fr 1fr}.nutrient-grid{grid-template-columns:repeat(4,1fr)}}@media (min-width: 768px) and (max-width: 1023px){.page{max-width:720px;margin:0 auto;padding:var(--space-2xl);padding-bottom:90px}.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg)}.nutrient-grid{grid-template-columns:repeat(4,1fr)}}@media (min-width: 768px){.barcode-input-group{max-width:500px;margin-left:auto;margin-right:auto}}