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td:first-child{border-left:4px solid #3b82f6}.idealweight-row-medium td:first-child{border-left:4px solid #10b981}.idealweight-row-large td:first-child{border-left:4px solid #f59e0b}.idealweight-faq-list{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.idealweight-faq-item{background:#f9fafb;border-radius:12px;border:1px solid var(--idealweight-border);overflow:hidden}.idealweight-faq-question{padding:1rem 1.25rem;font-weight:600;color:var(--idealweight-text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;list-style:none}.idealweight-faq-question::-webkit-details-marker{display:none}.idealweight-faq-question:after{content:"+";font-size:1.25rem;font-weight:300;color:var(--idealweight-primary);transition:transform .2s}.idealweight-faq-item[open] .idealweight-faq-question:after{transform:rotate(45deg)}.idealweight-faq-item[open] .idealweight-faq-question{background:linear-gradient(135deg,#ecfdf5,#eff6ff);border-bottom:1px solid var(--idealweight-border)}.idealweight-faq-answer{padding:1rem 1.25rem;color:var(--idealweight-text-muted);line-height:1.6}@media (max-width: 640px){.idealweight-calculator-container{padding:1.25rem}.idealweight-title{font-size:1.75rem}.idealweight-results-grid,.idealweight-summary-grid{grid-template-columns:1fr}.idealweight-actions{flex-direction:column}.idealweight-calculate-btn,.idealweight-reset-btn{flex:none}.idealweight-features-grid{grid-template-columns:1fr}.idealweight-formula-display{min-height:4rem;font-size:.85rem}.idealweight-height-row{flex-direction:column}.idealweight-bar-label{width:60px;font-size:.7rem}}