:root {
            /* Theme Variables */
            --primary-color: #0d6efd;
            --secondary-color: #00c853;
            --dark-bg: #1e293b;
            --light-bg: #f0f2f5;
        }

        body {
            background: var(--light-bg);
            font-family: 'Poppins', 'Hind', sans-serif;
            color: #333;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        /* --- NAVBAR STYLING (SAME) --- */
        .navbar { box-shadow: 0 2px 10px rgba(0,0,0,0.05); padding: 15px 0; }
        .navbar-brand { font-weight: 700; color: var(--primary-color) !important; }
        .nav-link { font-weight: 500; color: #555 !important; margin: 0 5px; transition: 0.3s; }
        .nav-link:hover, .nav-link.active { color: var(--primary-color) !important; }

        /* --- AUTHENTICATION ANIMATED UI --- */
        .auth-section {
            background: linear-gradient(135deg, rgba(13, 110, 253, 0.05) 0%, rgba(0, 200, 83, 0.05) 100%);
            flex: 1; /* Pushes footer down */
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 40px 0;
            position: relative;
            overflow: hidden;
        }

        /* Background Shapes Animation */
        .shape {
            position: absolute;
            filter: blur(50px);
            z-index: 0;
            animation: floatShape 6s infinite alternate;
        }
        .shape-1 { top: -10%; left: -10%; width: 300px; height: 300px; background: rgba(13, 110, 253, 0.2); border-radius: 50%; }
        .shape-2 { bottom: -10%; right: -10%; width: 250px; height: 250px; background: rgba(0, 200, 83, 0.2); border-radius: 50%; animation-delay: 1s; }
        .custom-alert-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: none; /* Initial state */
    align-items: center;
    justify-content: center;
}

.custom-alert-box {
    background: white;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 320px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: bounceIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
        @keyframes floatShape {
            0% { transform: translate(0, 0); }
            100% { transform: translate(20px, 40px); }
        }

        .auth-card {
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            padding: 40px;
            width: 100%;
            max-width: 500px;
            position: relative;
            z-index: 1;
            border: 1px solid rgba(255,255,255,0.8);
            animation: slideUpFade 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
        }

        @keyframes slideUpFade {
            from { opacity: 0; transform: translateY(40px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .auth-title {
            font-weight: 700;
            text-align: center;
            margin-bottom: 10px;
            color: var(--primary-color);
        }

        .form-floating > .form-control:focus ~ label,
        .form-floating > .form-control:not(:placeholder-shown) ~ label {
            color: var(--primary-color);
            font-weight: 600;
        }

        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
        }

        .btn-auth {
            background: linear-gradient(to right, #0d6efd, #0043a7);
            color: white;
            border: none;
            padding: 12px;
            font-weight: 600;
            border-radius: 10px;
            transition: 0.3s;
            width: 100%;
            margin-top: 10px;
        }

        .btn-auth:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(13, 110, 253, 0.4);
            background: linear-gradient(to right, #0043a7, #0d6efd);
            color: white;
        }

        /* --- FOOTER (SAME) --- */
        footer { background: var(--dark-bg); color: #a0aec0; padding: 50px 0 20px; font-size: 14px; }
        footer h5 { color: white; margin-bottom: 20px; font-weight: 600; }
        footer a { color: #a0aec0; text-decoration: none; display: block; margin-bottom: 10px; transition: 0.3s; }
        footer a:hover { color: white; padding-left: 5px; }
        .social-circle { width: 35px; height: 35px; background: rgba(255,255,255,0.1); display: inline-flex; justify-content: center; align-items: center; border-radius: 50%; margin-right: 5px; color: white; transition: 0.3s; }
        .social-circle:hover { background: var(--primary-color); transform: translateY(-3px); }

        /* Custom Modal Styling (Same as Login) */
     #mobileUpdateModal .modal-content { border-radius: 20px; border: none; overflow: hidden; }
     #mobileUpdateModal .modal-header { background: linear-gradient(135deg, #0d6efd, #0a58ca); color: white; border-bottom: none; justify-content: center; padding: 20px; }
     #mobileUpdateModal .modal-body { padding: 30px; }
     #mobileUpdateModal .icon-box { width: 80px; height: 80px; background: #e7f1ff; color: #0d6efd; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 35px; margin: 0 auto 20px; box-shadow: 0 5px 15px rgba(13, 110, 253, 0.2); }
     .custom-alert-overlay { z-index: 9999 !important; }