/* ==========================================
   NON-CRITICAL CSS: Results, Article Content, Formula Box, Medical Disclaimer
   ========================================== */

/* Results Section */
.results-section.show { display: block; animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.results-grid { display: grid; grid-template-columns: 280px 1fr; gap: 20px; align-items: stretch; margin-top: 20px; }

/* Main Ideal Weight Card */
.ideal-weight-box {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 12px;
    padding: 24px 20px;
    color: white;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.ideal-weight-box::before { 
    content: ''; 
    position: absolute; 
    top: -50%; 
    right: -50%; 
    width: 200%; 
    height: 200%; 
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%); 
    pointer-events: none; 
}

.ideal-label { font-size: 0.9rem; opacity: 0.9; margin-bottom: 8px; position: relative; z-index: 1; font-weight: 500; }
.ideal-value-wrapper { display: flex; align-items: baseline; justify-content: center; gap: 8px; margin: 12px 0; }
.ideal-value { font-size: 3rem; font-weight: 700; line-height: 1; position: relative; z-index: 1; letter-spacing: -2px; }
.ideal-separator { font-size: 2rem; font-weight: 300; opacity: 0.8; }
.ideal-unit { font-size: 1.1rem; opacity: 0.85; font-weight: 500; position: relative; z-index: 1; margin-bottom: 12px; }
.ideal-detail { font-size: 0.85rem; opacity: 0.8; position: relative; z-index: 1; line-height: 1.4; margin-bottom: 16px; }
.ideal-divider { width: 40px; height: 2px; background: rgba(255,255,255,0.3); margin: 0 auto 16px; position: relative; z-index: 1; }

/* Current Weight Comparison */
.current-comparison { 
    background: rgba(255, 255, 255, 0.15); 
    border-radius: 8px; 
    padding: 12px; 
    margin-top: 12px; 
    position: relative; 
    z-index: 1; 
}
.comparison-heading { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255, 255, 255, 0.75); margin-bottom: 6px; }
.comparison-value { font-size: 1.3rem; font-weight: 700; color: #ffffff; margin-bottom: 8px; }
.comparison-status { display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 0.85rem; font-weight: 600; }
.status-icon { font-size: 1rem; }
.status-text { color: #ffffff; }

/* Formula Comparison */
.formula-comparison {
    background: white;
    border-radius: 12px;
    padding: 10px;
    border: 2px solid #f1f5f9;
    height: 100%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    display: flex;
    flex-direction: column;
}

.comparison-title { 
    font-size: 0.9rem; 
    font-weight: 600; 
    color: #64748b; 
    margin-bottom: 12px; 
    display: flex; 
    align-items: center; 
    gap: 6px; 
    padding: 0 6px;
}

.formula-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; color: #334155; margin-bottom: 16px; }
.formula-table th { background: #f8fafc; padding: 10px; text-align: left; font-weight: 600; color: #64748b; border-bottom: 2px solid #e2e8f0; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.formula-table td { padding: 10px; border-bottom: 1px solid #f1f5f9; font-weight: 500; }
.formula-table tr:hover { background: #f8fafc; }
.formula-table .formula-name { font-weight: 600; color: #1e293b; }
.formula-table .formula-weight { font-weight: 700; color: #5b21b6; font-size: 0.95rem; }
.formula-table .formula-year { color: #94a3b8; font-size: 0.8rem; }

.health-info { background: #eff6ff; border-radius: 10px; padding: 12px; border-left: 4px solid #3b82f6; margin-top: auto; }
.health-info-title { font-size: 0.85rem; font-weight: 600; color: #1e40af; margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.health-info-text { font-size: 0.85rem; color: #1e3a8a; line-height: 1.5; margin: 0; }

/* Personalized Insights Section */
.insights-section { 
    grid-column: 1 / -1; 
    background: white; 
    border-radius: 12px; 
    padding: 20px; 
    border: 2px solid #f1f5f9; 
    box-shadow: 0 4px 15px rgba(0,0,0,0.03); 
    margin-top: 15px; 
}

.insights-header { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 20px; }
.insights-icon { width: 40px; height: 40px; background: linear-gradient(135deg, #5b21b6 0%, #8b5cf6 100%); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0; }
.insights-title { font-size: 1.1rem; font-weight: 700; color: #1e293b; margin-bottom: 4px; }
.insights-desc { font-size: 0.85rem; color: #64748b; line-height: 1.4; }

.insights-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); 
    gap: 16px; 
}

.insight-card { 
    background: #f8fafc; 
    border-radius: 10px; 
    padding: 16px; 
    border: 1px solid #e2e8f0; 
    transition: all 0.2s; 
}
.insight-card:hover { border-color: #c4b5fd; box-shadow: 0 2px 8px rgba(91, 33, 182, 0.08); }

.insight-label { 
    font-size: 0.75rem; 
    font-weight: 600; 
    color: #64748b; 
    text-transform: uppercase; 
    letter-spacing: 0.05em; 
    margin-bottom: 8px; 
    display: flex; 
    align-items: center; 
    gap: 6px; 
}
.insight-label .insight-icon { font-size: 1rem; }

.insight-value { 
    font-size: 1.25rem; 
    font-weight: 700; 
    color: #1e293b; 
    margin-bottom: 4px; 
    line-height: 1.3; 
}

.insight-subtext { 
    font-size: 0.8rem; 
    color: #64748b; 
    line-height: 1.4; 
}

.insight-value.positive { color: #059669; }
.insight-value.negative { color: #dc2626; }
.insight-value.neutral { color: #5b21b6; }

/* Recalculate Button */
.recalculate-btn {
    grid-column: 1 / -1; 
    width: 100%; 
    padding: 16px; 
    background: #5b21b6; 
    color: white; 
    border: none; 
    border-radius: 10px; 
    font-size: 1.05rem; 
    font-weight: 600; 
    cursor: pointer; 
    transition: all 0.2s; 
    margin-top: 15px; 
    letter-spacing: 0.5px;
}
.recalculate-btn:hover { 
    background: #4c1d95; 
    transform: translateY(-2px); 
    box-shadow: 0 6px 20px rgba(91, 33, 182, 0.3); 
}

/* Related Calculators */
.related-calculators { max-width: 800px; width: 100%; margin: 40px auto 32px; }
.related-calculators h3 { font-size: 1.0625rem; font-weight: 600; color: #1e293b; margin-bottom: 16px; text-align: left; }
.related-calculators-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.related-calc-card { display: flex; align-items: center; gap: 12px; padding: 14px 18px; background: white; border: 1px solid #f1f5f9; border-radius: 12px; text-decoration: none; color: #1e293b; transition: all 0.2s ease; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }
.related-calc-card:hover { border-color: #3b82f6; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.06); }
.related-calc-icon { font-size: 1.25rem; background: #dbeafe; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 8px; flex-shrink: 0; }
.related-calc-title { font-weight: 600; font-size: 0.9375rem; color: #1e293b; line-height: 1.3; }

/* Article Content */
.article-content { max-width: 800px; margin: 0 auto; padding: 40px 20px 80px; }
.article-content h2 { font-size: 1.75rem; font-weight: 700; margin-top: 60px; margin-bottom: 20px; color: #1e293b; }
.article-content h3 { font-size: 1.25rem; font-weight: 600; margin-top: 32px; margin-bottom: 16px; color: #1e293b; }
.article-content p { margin-bottom: 20px; color: #475569; line-height: 1.8; font-size: 1.0625rem; }
.article-content ul, .article-content ol { margin-bottom: 20px; padding-left: 24px; }
.article-content li { margin-bottom: 12px; color: #475569; line-height: 1.8; font-size: 1.0625rem; }
.article-content strong { color: #5b21b6; font-weight: 600; }
.article-content a { color: #2563eb; text-decoration: underline; }
.article-content a:hover { color: #1d4ed8; }

/* Citation Links */
.citation { color: #5b21b6; font-weight: 600; text-decoration: none; font-size: 0.875rem; vertical-align: super; }
.citation:hover { text-decoration: underline; }

/* Formula Box Styles */
.formula-box { background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%); border: 2px solid #c4b5fd; border-radius: 12px; padding: 24px; margin: 24px 0; text-align: center; }
.formula-box h3 { margin-top: 0; color: #4c1d95; font-size: 1.125rem; margin-bottom: 16px; }
.formula-display { font-family: 'Courier New', monospace; font-size: 1.25rem; font-weight: 700; color: #5b21b6; background: #ffffff; padding: 16px; border-radius: 8px; margin: 12px 0; border: 1px solid #e2e8f0; }
.formula-example { background: #ffffff; padding: 16px; border-radius: 8px; margin-top: 16px; text-align: left; border: 1px solid #e2e8f0; }
.formula-example h4 { margin-top: 0; font-size: 0.9375rem; color: #1e293b; margin-bottom: 12px; }
.formula-step { font-family: 'Courier New', monospace; font-size: 0.9375rem; color: #64748b; margin: 8px 0; padding-left: 16px; border-left: 3px solid #c4b5fd; }

/* Medical Disclaimer */
.medical-disclaimer {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-left: 4px solid #f59e0b;
    border-radius: 8px;
    padding: 20px;
    margin: 48px 0;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}
.disclaimer-icon { font-size: 1.5rem; flex-shrink: 0; line-height: 1; }
.disclaimer-content { flex: 1; }
.disclaimer-content strong { color: #92400e; font-size: 1rem; display: block; margin-bottom: 8px; }
.disclaimer-content p { margin: 0; color: #78350f; font-size: 0.95rem; line-height: 1.6; }

/* FAQ Items */
.faq-item { padding: 16px 0; border-bottom: 1px solid #e2e8f0; }
.faq-item:last-child { border-bottom: none; }
.faq-item h3 { margin-top: 0; font-size: 1.1rem; }
.faq-item p { margin-bottom: 0; }

/* References Section */
.references-section { margin-top: 60px; padding-top: 32px; border-top: 2px solid #e2e8f0; }
.references-section h3 { font-size: 1.25rem; font-weight: 600; color: #1e293b; margin-bottom: 20px; }
.references-list { list-style: none; padding: 0; margin: 0; counter-reset: ref-counter; }
.references-list li { margin-bottom: 16px; padding-left: 40px; position: relative; color: #475569; font-size: 0.9375rem; line-height: 1.6; counter-increment: ref-counter; }
.references-list li::before { content: '[' counter(ref-counter) ']'; position: absolute; left: 0; color: #5b21b6; font-weight: 600; }
.references-list a { 
    color: #1e3a8a; /* Very dark blue to ensure 3:1 contrast against gray text */
    font-weight: 600; /* Bold weight provides a non-color visual cue */
    text-decoration: none; 
}
.references-list a:hover { 
    color: #172554; /* Even darker on hover */
}
.references-list strong { color: #1e293b; font-weight: 600; }

/* Responsive */
@media (max-width: 768px) {
    .results-grid { grid-template-columns: 1fr !important; gap: 15px; }
    .ideal-weight-box { min-height: auto; padding: 20px 16px; }
    .formula-comparison { min-height: auto; padding: 12px; }
    .insights-section { padding: 16px; }
    .insights-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .ideal-value { font-size: 2.5rem; }
    .ideal-unit { font-size: 1rem; }
    .comparison-value { font-size: 1.1rem; }
    .formula-table { font-size: 0.8rem; }
    .formula-table th, .formula-table td { padding: 8px 6px; }
    .formula-comparison { padding: 10px; }
    .health-info { padding: 10px; }
    .health-info-text { font-size: 0.8rem; }
    .insights-title { font-size: 1rem; }
    .insight-value { font-size: 1.1rem; }
    
    /* Article Content Mobile */
    .article-content { padding: 24px 2px 48px; }
    .article-content h2 { font-size: 1.4rem; margin-top: 40px; margin-bottom: 16px; }
    .article-content h3 { font-size: 1.1rem; margin-top: 24px; margin-bottom: 12px; }
    .article-content p { font-size: 0.95rem; margin-bottom: 16px; line-height: 1.7; }
    .article-content li { font-size: 0.95rem; margin-bottom: 10px; }
    .article-content ul, .article-content ol { padding-left: 20px; }
    
    /* Formula Box Mobile */
    .formula-box { padding: 20px 16px; margin: 24px 0; }
    .formula-box h3 { font-size: 1rem; }
    .formula-display { font-size: 1rem; padding: 14px; }
    .formula-example { padding: 16px; }
    .formula-example h4 { font-size: 0.875rem; }
    .formula-step { font-size: 0.85rem; padding-left: 12px; }
    
    /* FAQ Mobile */
    .faq-item { padding: 12px 0; }
    .faq-item h3 { font-size: 1rem; }
    .faq-item p { font-size: 0.9rem; }
    
    /* References Mobile */
    .references-section { margin-top: 40px; padding-top: 24px; }
    .references-section h3 { font-size: 1rem; }
    .references-list li { font-size: 0.85rem; padding-left: 32px; }
    
    /* Medical Disclaimer Mobile */
    .medical-disclaimer { padding: 16px; margin: 32px 0; flex-direction: column; gap: 8px; }
    .disclaimer-content p { font-size: 0.875rem; }
}