:root{--primary-color:#ff758c;--primary-hover:#ff5e78;--secondary-color:#40e0d0;--accent-color:gold;--bg-gradient-1:#fdfbfb;--bg-gradient-2:#ebedee;--card-bg:#ffffffb3;--text-dark:#2d3436;--text-light:#636e72;--border-color:#ffffff80;--shadow:0 8px 32px 0 #1f26871a;--radius:20px;--transition:all .4s cubic-bezier(.25, .8, .25, 1)}[data-theme=dark]{--bg-gradient-1:#0f172a;--bg-gradient-2:#1e1b4b;--card-bg:#1e293bd9;--text-dark:#f8fafc;--text-light:#94a3b8;--border-color:#ffffff1a;--shadow:0 8px 32px 0 #0006}[data-theme=dark] .top-navbar{background:#0f172ae6}[data-theme=dark] input[type=date],[data-theme=dark] select{color:#f8fafc;background:#0f172acc;border-color:#ffffff26}[data-theme=dark] .tabs{background:#ffffff0d}[data-theme=dark] .tab-btn.active{color:var(--primary-color);background:#1e293b}[data-theme=dark] .baby-size-card{background:linear-gradient(135deg,#1e1b4b,#0f172a)!important}*{box-sizing:border-box;margin:0;padding:0;font-family:Cairo,sans-serif}body{background:linear-gradient(135deg, var(--bg-gradient-1) 0%, var(--bg-gradient-2) 100%);color:var(--text-dark);background-attachment:fixed;min-height:100vh;padding-top:70px;line-height:1.6;position:relative}.top-navbar{backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);z-index:1000;background:#ffffffe6;align-items:center;height:70px;display:flex;position:fixed;top:0;left:0;right:0;box-shadow:0 4px 15px #00000008}.nav-container{justify-content:space-between;align-items:center;width:100%;max-width:800px;margin:0 auto;padding:0 20px;display:flex}.logo{color:var(--primary-color);font-size:22px;font-weight:800;text-decoration:none}.nav-links{align-items:center;gap:15px;display:flex}.nav-links a{color:var(--text-dark);transition:var(--transition);font-weight:600;text-decoration:none}.nav-links a:hover{color:var(--primary-color)}.theme-toggle-btn{cursor:pointer;background:0 0;border:none;border-radius:50%;padding:5px;font-size:20px;transition:transform .3s}.theme-toggle-btn:hover{transform:scale(1.2)}body:before{content:"";z-index:-1;background-image:radial-gradient(circle at 15%,#ff758c14,#0000 25%),radial-gradient(circle at 85% 30%,#40e0d014,#0000 25%);position:absolute;inset:0}.container{max-width:800px;margin:0 auto;padding:0 20px}.glass{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);box-shadow:var(--shadow);border-radius:var(--radius)}.adsense-banner-top{text-align:center;color:#a4b0be;background:#ffffff80;border:1px dashed #0000001a;border-radius:8px;justify-content:center;align-items:center;max-width:728px;height:90px;margin:20px auto;display:flex;position:relative}.ad-label{background:#fff;border-radius:10px;padding:0 8px;font-size:11px;position:absolute;top:-10px;right:10px;box-shadow:0 2px 5px #0000000d}.calculator-container{max-width:650px;margin:40px auto;padding:0 20px}header{text-align:center;margin-bottom:30px}.icon-wrapper{background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin:0 auto 20px;display:flex;box-shadow:0 10px 25px #ff758c4d}h1{color:var(--text-dark);letter-spacing:-.5px;margin-bottom:10px;font-size:32px;font-weight:800}header p{color:var(--text-light);font-size:16px}.input-section{margin-bottom:30px;padding:30px}.tabs{background:#00000008;border-radius:12px;margin-bottom:25px;padding:5px;display:flex}.tab-btn{color:var(--text-light);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:8px;flex:1;padding:12px;font-size:16px;font-weight:700}.tab-btn.active{color:var(--primary-color);background:#fff;box-shadow:0 2px 10px #0000000d}.tab-content{animation:.4s fadeIn;display:none}.tab-content.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.input-group{margin-bottom:25px}.input-group label{color:var(--text-dark);margin-bottom:10px;font-weight:700;display:block}input[type=date],select{width:100%;transition:var(--transition);color:var(--text-dark);background:#fffc;border:2px solid #0000000d;border-radius:12px;outline:none;padding:16px;font-family:inherit;font-size:16px}input[type=date]:focus,select:focus{border-color:var(--primary-color);background:#fff;box-shadow:0 0 0 4px #ff758c1a}.hijri-inputs{gap:10px;display:flex}.hijri-inputs select{flex:1}.primary-btn{background:linear-gradient(135deg, var(--primary-color), #ff5e78);color:#fff;cursor:pointer;width:100%;transition:var(--transition);border:none;border-radius:14px;padding:18px;font-size:18px;font-weight:800;box-shadow:0 6px 20px #ff758c4d}.primary-btn:hover{transform:translateY(-3px);box-shadow:0 10px 25px #ff758c66}.primary-btn:active{transform:translateY(0)}#loading-state{text-align:center;padding:40px 0}.hidden{display:none!important}.spinner{border:4px solid #ff758c1a;border-top:4px solid var(--primary-color);border-radius:50%;width:50px;height:50px;margin:0 auto 15px;animation:1s cubic-bezier(.5,.1,.4,.9) infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.results-hidden{display:none}.results-visible{animation:.6s cubic-bezier(.16,1,.3,1) forwards slideUp;display:block}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.card{margin-bottom:25px;padding:25px}.premium-gradient{text-align:center;background:linear-gradient(135deg,#ff758c1a,#40e0d01a);border:1px solid #fffc}.premium-gradient h2{color:var(--text-light);margin-bottom:10px;font-size:18px}.edd-date{color:var(--primary-color);font-size:42px;font-weight:800;line-height:1.2}.edd-hijri{color:var(--secondary-color);margin-bottom:15px;font-size:18px;font-weight:600}.zodiac-sign{color:var(--text-dark);background:#fff;border-radius:20px;padding:6px 18px;font-size:14px;font-weight:700;display:inline-block;box-shadow:0 2px 10px #0000000d}.grid-results{grid-template-columns:1fr 1fr;gap:20px;margin-bottom:25px;display:grid}.progress-card{text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.progress-card h3{color:var(--text-light);margin-bottom:15px;font-size:16px}.circular-progress{width:140px;height:140px;position:relative}.circular-progress svg{width:100%;height:100%;transform:rotate(-90deg)}.circular-progress circle{fill:none;stroke-width:8px;stroke-linecap:round}.circular-progress circle.bg{stroke:#0000000d}.circular-progress circle.progress{stroke:var(--primary-color);stroke-dasharray:283;stroke-dashoffset:283px;transition:stroke-dashoffset 1.5s cubic-bezier(.25,1,.5,1)}.progress-value{width:100%;height:100%;color:var(--text-dark);justify-content:center;align-items:center;font-size:28px;font-weight:800;display:flex;position:absolute;top:0;left:0}.progress-value span{margin-left:2px}.stats-card h3{color:var(--text-light);margin-bottom:5px;font-size:15px}.highlight{color:var(--text-dark);font-size:28px;font-weight:800}.sub-highlight{color:var(--secondary-color);margin-top:5px;font-size:15px;font-weight:700}.divider{background:#0000000d;height:1px;margin:15px 0}.trimester{color:var(--primary-color)}.timeline h3{margin-bottom:20px;font-size:20px}.timeline-list{list-style:none;position:relative}.timeline-list:before{content:"";background:#0000000d;width:2px;height:100%;position:absolute;top:0;right:9px}.timeline-list li{margin-bottom:25px;padding-right:35px;position:relative}.timeline-list li.final{margin-bottom:0}.timeline-marker{border:4px solid var(--secondary-color);z-index:1;background:#fff;border-radius:50%;width:20px;height:20px;position:absolute;top:5px;right:0;box-shadow:0 2px 5px #0000001a}.timeline-list li.final .timeline-marker{border-color:var(--primary-color)}.timeline-content h4{color:var(--text-dark);margin-bottom:5px;font-size:16px}.timeline-content p{color:var(--text-light);font-size:15px;font-weight:600}.actions-section{text-align:center;margin-top:40px;margin-bottom:20px}.actions-section h3{color:var(--text-dark);margin-bottom:15px;font-size:18px}.action-buttons{flex-wrap:wrap;justify-content:center;gap:15px;display:flex}.action-btn{border:2px solid var(--primary-color);color:var(--primary-color);cursor:pointer;transition:var(--transition);background:0 0;border-radius:12px;align-items:center;gap:8px;padding:12px 24px;font-size:16px;font-weight:700;display:flex}.action-btn:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px)}@media print{.top-navbar,.input-section,.actions-section,.site-footer,.seo-content{display:none!important}body{background:#fff;padding-top:0}.calculator-container{max-width:100%;box-shadow:none;margin:0}.card{box-shadow:none;break-inside:avoid;border:1px solid #eee}}.seo-content{margin-top:40px;margin-bottom:50px;padding:40px}.seo-content h2{color:var(--primary-color);margin-bottom:20px;font-size:24px}.seo-content h3{color:var(--text-dark);margin:25px 0 15px;font-size:20px}.seo-content p{color:var(--text-light);margin-bottom:15px;font-size:16px;line-height:1.8}.seo-content ul{color:var(--text-light);padding-right:20px}.seo-content li{margin-bottom:10px}.faq-section{border-top:1px solid var(--border-color);margin-top:30px;padding-top:20px}.faq-item{margin-bottom:20px}.faq-item h4{color:var(--text-dark);margin-bottom:8px;font-size:18px}.medical-disclaimer{border-right:4px solid var(--primary-color);background:#ff758c0d;border-radius:12px;margin-top:30px;padding:20px}.medical-disclaimer h3{color:var(--primary-color);margin-top:0;font-size:18px}.site-footer{background:var(--card-bg);border-top:1px solid var(--border-color);text-align:center;margin-top:50px;padding:40px 0}.footer-container{max-width:800px;margin:0 auto;padding:0 20px}.footer-links{flex-wrap:wrap;justify-content:center;gap:20px;margin-bottom:20px;display:flex}.footer-links a{color:var(--text-dark);transition:var(--transition);font-weight:600;text-decoration:none}.footer-links a:hover{color:var(--primary-color)}.site-footer p{color:var(--text-light);font-size:15px}@media (width<=600px){.grid-results{grid-template-columns:1fr}.calculator-container{margin:20px auto}.card{padding:20px}h1{font-size:28px}.edd-date{font-size:32px}}