/* Minified CSS for performance optimization */
:root{--sleep-primary:#0B3D91;--sleep-secondary:#A890FE;--sleep-accent:#8B7CE6;--sleep-light:#F0EFFF;--sleep-text:#0B3D91;--sleep-muted:#6B7280;--sleep-success:#10B981;--sleep-bg:#FAFAFF;--sleep-white:#FFFFFF}.sleep-calculator-section{padding:1.5rem 0;background:linear-gradient(135deg,var(--sleep-bg) 0%,var(--sleep-white) 100%)}.calculator-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;max-width:1000px;margin:0 auto}.visual-card,.smart-card{background:var(--sleep-white);border:1px solid var(--sleep-light);border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px rgba(0,0,0,0.05)}.main-heading{font-size:1.1rem;font-weight:700;color:var(--sleep-primary);margin:0 0 1.5rem 0;text-align:center}.action-buttons{text-align:center;display:flex!important;flex-direction:column!important;align-items:stretch!important;gap:0!important}.calc-btn{width:100%;padding:0.7rem 1rem;font-size:0.85rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:all 0.2s ease;margin-bottom:0.5rem;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.calc-btn.primary{background:linear-gradient(135deg,var(--sleep-primary) 0%,var(--sleep-secondary) 100%)!important;color:var(--sleep-white)!important}.calc-btn.secondary{background:linear-gradient(135deg,var(--sleep-muted) 0%,#6b7280 100%)!important;color:var(--sleep-white)!important}.calc-btn:hover{transform:translateY(-1px);box-shadow:0 3px 12px rgba(30,58,138,0.25)}.form-input{width:100%;padding:0.6rem 0.8rem;border:1px solid var(--sleep-light);border-radius:4px;font-size:1rem;font-weight:600;background:var(--sleep-white);transition:all 0.2s ease;color:var(--sleep-primary)}.form-input:focus{outline:none;border-color:var(--sleep-secondary);box-shadow:0 0 0 2px rgba(168,144,254,0.1)}.visual-section .form-input{text-align:center;font-size:1.1rem;font-weight:700;color:var(--sleep-primary);cursor:pointer;position:relative}.age-btn{flex:1;padding:0.5rem 0.7rem;border:1px solid var(--sleep-light);background:var(--sleep-white);color:var(--sleep-text);border-radius:4px;font-size:0.75rem;font-weight:500;cursor:pointer;transition:all 0.2s ease}.age-btn.active{background:var(--sleep-primary);color:var(--sleep-white);border-color:var(--sleep-primary)}@media(max-width:768px){.calculator-grid{grid-template-columns:1fr;gap:1.5rem}.visual-card,.smart-card{padding:1.2rem}}