:root {
            --primary-color: #4e73df;
            --secondary-color: #6c757d;
            --success-color: #1cc88a;
            --warning-color: #f6c23e;
            --danger-color: #e74a3b;
            --light-color: #f8f9fc;
            --dark-color: #5a5c69;
            --blue-color: #0415db;
        }
        
        body {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            height: 100vh;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        .login-container {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .login-card {
            background-color: white;
            border-radius: 15px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            width: 100%;
            max-width: 400px;
        }
        
        .login-header {
            background-color: var(--blue-color);
            color: white;
            padding: 30px 20px;
            text-align: center;
        }
        
        .login-header h2 {
            margin: 0;
            font-weight: 600;
        }
        
        .login-body {
            padding: 30px;
        }
        
        .form-control {
            padding: 12px 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            border: 1px solid #e3e6f0;
            transition: all 0.3s;
        }
        
        .form-control:focus {
            border-color: var(--blue-color);
            box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
        }
        
        .btn-login {
            background-color: var(--blue-color);
            border: none;
            color: white;
            padding: 12px;
            border-radius: 8px;
            font-weight: 600;
            width: 100%;
            transition: all 0.3s;
        }
        
        .btn-login:hover {
            background-color: var(--success-color);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .divider {
            display: flex;
            align-items: center;
            margin: 25px 0;
        }
        
        .divider::before, .divider::after {
            content: "";
            flex: 1;
            border-bottom: 1px solid #e3e6f0;
        }
        
        .divider-text {
            padding: 0 15px;
            color: var(--secondary-color);
            font-size: 14px;
        }
        
        .social-login {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 20px;
        }
        
        .social-btn {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
            transition: all 0.3s;
        }
        
        .social-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .btn-google {
            background-color: #dd4b39;
        }
        
        .btn-facebook {
            background-color: #3b5998;
        }
        
        .btn-twitter {
            background-color: #1da1f2;
        }
        
        .login-footer {
            text-align: center;
            padding: 20px;
            background-color: #f8f9fc;
            border-top: 1px solid #e3e6f0;
        }
        
        .login-footer a {
            color: var(--primary-color);
            text-decoration: none;
        }
        
        .login-footer a:hover {
            text-decoration: underline;
        }
        
        .form-check-label {
            font-size: 14px;
        }
        
        /* Responsive adjustments */
        @media (max-width: 576px) {
            .login-card {
                margin: 20px;
            }
            
            .login-body {
                padding: 20px;
            }
        }
        
        /* Animation for form elements */
        .form-group {
            position: relative;
        }
        
        .form-label {
            position: absolute;
            top: 12px;
            left: 15px;
            color: #6c757d;
            transition: all 0.3s;
            pointer-events: none;
            background-color: white;
            padding: 0 5px;
        }
        
        .form-control:focus + .form-label,
        .form-control:not(:placeholder-shown) + .form-label {
            top: -10px;
            font-size: 12px;
            color: var(--primary-color);
        }
        
        /* Password toggle */
        .password-toggle {
            position: absolute;
            right: 15px;
            top: 12px;
            cursor: pointer;
            color: #6c757d;
        }