@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Playfair+Display:wght@700&display=swap";:root{--bg-color:#f8fafc;--bg-pattern:radial-gradient(#e2e8f0 1.5px, transparent 1.5px);--text-main:#0f172a;--text-muted:#64748b;--primary-accent:#ff7e67;--primary-hover:#ff917e;--card-bg:#fff;--card-border:#cbd5e1;--input-border:#94a3b8;--badge-bg:#ff7e671a}[data-theme=dark]{--bg-color:#0b0f19;--bg-pattern:radial-gradient(#1e293b 1.5px, transparent 1.5px);--text-main:#f8fafc;--text-muted:#94a3b8;--primary-accent:#ff7e67;--primary-hover:#ff917e;--card-bg:#111827;--card-border:#1f2937;--input-border:#374151;--badge-bg:#ff7e6726}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);background-image:var(--bg-pattern);color:var(--text-main);background-size:24px 24px;min-height:100vh;font-family:Inter,sans-serif}.app-container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem 4rem}.top-nav{border-bottom:1px solid var(--card-border);justify-content:space-between;align-items:center;margin-bottom:3rem;padding:1.5rem 0;display:flex}.logo{color:var(--text-main);font-family:Playfair Display,serif;font-size:1.5rem;font-weight:700}.theme-toggle{color:var(--text-main);border:1px solid var(--card-border);cursor:pointer;background:0 0;border-radius:.5rem;justify-content:center;align-items:center;padding:.5rem;transition:all .2s;display:flex}.theme-toggle:hover{background:var(--card-border)}.nav-btn{color:var(--text-main);border:1px solid var(--input-border);cursor:pointer;background-color:#0000;border-radius:.5rem;padding:.6rem 1.25rem;font-weight:600;transition:all .2s}.nav-btn:hover{background-color:var(--card-border)}.main-content{grid-template-columns:1fr;align-items:flex-start;gap:3rem;display:grid}@media (width>=900px){.main-content{grid-template-columns:1fr 1fr;gap:4rem}}.small-heading{color:var(--primary-accent);letter-spacing:1px;text-transform:uppercase;margin-bottom:1rem;font-size:.85rem;font-weight:700;display:block}.text-column h1{color:var(--text-main);letter-spacing:-1px;margin-bottom:1.5rem;font-family:Playfair Display,serif;font-size:3.5rem;font-weight:700;line-height:1.1}.subtitle{color:var(--text-muted);max-width:90%;margin-bottom:2rem;font-size:1.15rem;line-height:1.6}.features-list{grid-template-columns:1fr 1fr;gap:1rem;list-style:none;display:grid}.features-list li{color:var(--text-muted);align-items:center;gap:.5rem;font-size:.95rem;font-weight:500;display:flex}.check-icon{color:var(--primary-accent)}.calculator-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:1.5rem;padding:2.5rem;box-shadow:0 10px 30px #0000004d}.card-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.card-title{color:var(--text-muted);letter-spacing:1px;font-size:.75rem;font-weight:700}.badge{background:var(--badge-bg);color:var(--primary-accent);border-radius:1rem;align-items:center;gap:.3rem;padding:.25rem .75rem;font-size:.75rem;font-weight:600;display:flex}.dot-green{background-color:var(--primary-accent);border-radius:50%;width:6px;height:6px}.calculator-card h2{color:var(--text-main);margin-bottom:1.5rem;font-size:1.5rem;font-weight:700}.dropdown-group{grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem;display:grid}.select-wrapper{flex-direction:column;gap:.4rem;display:flex}.select-label{color:var(--text-muted);font-size:.8rem;font-weight:500}select{appearance:none;border:1px solid var(--input-border);color:var(--text-main);cursor:pointer;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background-color:#0000;background-image:url("data:image/svg+xml;utf8,<svg fill=\"%2394a3b8\" height=\"20\" viewBox=\"0 0 24 24\" width=\"20\" xmlns=\"http://www.w3.org/2000/svg\"><path d=\"M7 10l5 5 5-5z\"/></svg>");background-position:right 10px center;background-repeat:no-repeat;border-radius:.5rem;outline:none;padding:.75rem 1rem;font-family:Inter,sans-serif;font-size:.95rem;font-weight:500;transition:border-color .2s}select:focus,.date-input:focus{border-color:var(--primary-accent)}option{background-color:var(--card-bg);color:var(--text-main)}.age-as-on-group{flex-direction:column;gap:.4rem;margin-bottom:1.5rem;display:flex}.age-as-on-group label{color:var(--text-muted);font-size:.8rem;font-weight:500}.date-input{border:1px solid var(--input-border);color:var(--text-main);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background-color:#0000;border-radius:.5rem;outline:none;width:100%;padding:.75rem 1rem;font-family:Inter,sans-serif;font-size:.95rem;font-weight:500}.help-text{color:var(--text-muted);font-size:.75rem}.btn-calculate{background:var(--primary-accent);color:#fff;cursor:pointer;border:none;border-radius:.5rem;justify-content:center;align-items:center;gap:.5rem;width:100%;padding:1rem;font-size:1rem;font-weight:600;transition:all .2s;display:flex;box-shadow:0 4px 15px #ff7e674d}.btn-calculate:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px #ff7e6766}.secure-text{color:var(--text-muted);justify-content:center;align-items:center;gap:.4rem;margin-top:1.25rem;font-size:.75rem;font-weight:500;display:flex}.error{color:#ef4444;margin-bottom:1rem;font-size:.85rem;font-weight:500}.results-section{background:var(--card-bg);border:1px solid var(--card-border);border-radius:1.5rem;margin-top:4rem;padding:3rem;box-shadow:0 10px 30px #0003}.results-heading{text-align:center;color:var(--text-main);margin-bottom:2rem;font-family:Playfair Display,serif;font-size:2rem;font-weight:700}.results-main{flex-wrap:wrap;justify-content:space-around;gap:2rem;margin-bottom:3rem;display:flex}.age-box{flex-direction:column;align-items:center;display:flex}.age-num{color:var(--primary-accent);font-family:Playfair Display,serif;font-size:4rem;font-weight:700;line-height:1}.age-unit{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-top:.5rem;font-size:1rem;font-weight:600}.stats-grid{border-top:1px solid var(--card-border);grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;padding-top:2rem;display:grid}.stat-item{border:1px solid var(--card-border);text-align:center;background:0 0;border-radius:1rem;flex-direction:column;align-items:center;padding:1.5rem;display:flex}.stat-val{color:var(--text-main);margin-bottom:.25rem;font-size:1.5rem;font-weight:700}.stat-name{color:var(--text-muted);font-size:.85rem}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in-up{animation:.5s forwards fadeInUp}@media (width<=768px){.desktop-only{display:none!important}.text-column h1{font-size:2.5rem}.features-list,.dropdown-group{grid-template-columns:1fr}}.next-birthday-box{background:var(--card-bg);border:1px solid var(--card-border);border-radius:1rem;margin-top:2rem;padding:1.5rem}.nb-header{color:var(--text-main);justify-content:space-between;margin-bottom:1rem;font-weight:500;display:flex}.nb-countdown{color:var(--primary-accent);font-weight:700}.progress-bg{background:var(--card-border);border-radius:4px;height:8px;margin-bottom:.75rem;overflow:hidden}.progress-fill{background:var(--primary-accent);border-radius:4px;height:100%;transition:width 1s ease-in-out}.progress-labels{color:var(--text-muted);justify-content:space-between;font-size:.75rem;display:flex}