*{margin:0;padding:0;box-sizing:border-box}body{font-family:Poppins,sans-serif;background:#f5f7fa;min-height:100vh}:root{--primary: #0A2463;--primary-light: #1E40AF;--secondary: #FF9E1B;--accent: #4CAF50;--light: #F8FAFC;--dark: #1E293B;--danger: #E53E3E;--warning: #F39C12;--gray: #64748B;--card-shadow: 0 4px 20px rgba(0, 0, 0, .08);--border-radius: 12px}.authentication{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(135deg,#667eea10,#667eea2d);background:#f5f7fa;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}@media (max-width: 640px){.authentication{padding:12px}}.error-message{color:red!important;font-size:.875rem;margin-top:.25rem}.loader-overlay{position:fixed!important;top:0;left:0;width:100%;height:100%;background:#ffffffb3;display:flex;justify-content:center;align-items:center;z-index:9999999}.loader{position:relative!important;width:130px;height:100px;background-repeat:no-repeat;background-image:linear-gradient(#0277bd,#0277bd),linear-gradient(#29b6f6,#4fc3f7),linear-gradient(#29b6f6,#4fc3f7);background-size:80px 70px,30px 50px,30px 30px;background-position:0 0,80px 20px,100px 40px}.loader:after{content:"";position:absolute;bottom:10px;left:12px;width:10px;height:10px;background:#fff;border-radius:50%;box-sizing:content-box;border:10px solid #000;box-shadow:78px 0 0 -10px #fff,78px 0 #000;animation:wheelSk .75s ease-in infinite alternate}.loader:before{content:"";position:absolute;right:100%;top:0;height:70px;width:70px;background-image:linear-gradient(#fff 45px,transparent 0),linear-gradient(#fff 45px,transparent 0),linear-gradient(#fff 45px,transparent 0);background-repeat:no-repeat;background-size:30px 4px;background-position:0px 11px,8px 35px,0px 60px;animation:lineDropping .75s linear infinite}@keyframes wheelSk{0%,50%,to{transform:translatey(0)}30%,90%{transform:translatey(-3px)}}@keyframes lineDropping{0%{background-position:100px 11px,115px 35px,105px 60px;opacity:1}50%{background-position:0px 11px,20px 35px,5px 60px}60%{background-position:-30px 11px,0px 35px,-10px 60px}75%,to{background-position:-30px 11px,-30px 35px,-30px 60px;opacity:0}}.btn{display:inline-block;background:var(--primary);color:#fff;padding:14px 28px;border-radius:10px;text-decoration:none;font-weight:600;transition:all .3s ease;border:none;cursor:pointer;text-align:center}.btn:hover{background:linear-gradient(135deg,#1d4ed8,#2563eb);transform:translateY(-2px);box-shadow:0 6px 20px #1e40af4d;color:#fff}.btn-large{width:100%;margin-top:8px;padding:16px;font-size:16px}.modal-close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer}