:root {
            --primary-blue: #1a4a8f;
            --secondary-blue: #2c6bc0;
            --light-blue: #e8f1ff;
            --accent-blue: #0a2a5a;
            --white: #ffffff;
            --success-green: #28a745;
            --danger-red: #dc3545;
            --warning-orange: #ffc107;
        }        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #333;
            background-color: var(--light-blue);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
        }        
        /* Fixed Navigation Bar */
        .navbar {
            background-color: var(--white) !important;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            padding: 10px 0;
        }        
        .navbar-brand {
            display: flex;
            align-items: center;
            margin-right: 2rem;
        }        
        .logo-container {
            display: flex;
            align-items: center;
        }        
        .logo-icon {
            background-color: var(--primary-blue);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            font-size: 1.8rem;
        }        
        .logo-text {
            font-weight: 700;
            color: var(--primary-blue);
            line-height: 1.2;
        }        
        .logo-text .main {
            font-size: 1.4rem;
        }        
        .logo-text .sub {
            font-size: 0.9rem;
            color: #666;
            font-weight: 500;
        }        
        .navbar-nav .nav-link {
            color: var(--primary-blue) !important;
            font-weight: 500;
            padding: 8px 15px !important;
            margin: 0 5px;
            border-radius: 4px;
            transition: all 0.3s ease;
        }        
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            background-color: var(--light-blue);
            color: var(--accent-blue) !important;
        }        
        /* Login Container */
        .login-container {           
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 40px;
        }        
        .login-card {
            background-color: var(--white);
            border-radius: 15px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            padding: 50px;
            max-width: 500px;
            width: 100%;
            border-top: 5px solid var(--primary-blue);
        }
        
        .login-header {
            text-align: center;
            margin-bottom: 40px;
        }
        
        .login-icon {
            width: 80px;
            height: 80px;
            background-color: rgba(26, 74, 143, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 2.5rem;
            color: var(--primary-blue);
        }
        
        .login-title {
            color: var(--primary-blue);
            font-weight: 700;
            margin-bottom: 15px;
        }
        
        .login-subtitle {
            color: #666;
            font-size: 1.1rem;
        }
        
        /* Form Styling */
        .form-label {
            font-weight: 600;
            color: #444;
            margin-bottom: 8px;
        }
        
        .form-control {
            border: 2px solid #ddd;
            border-radius: 6px;
            padding: 12px 15px;
            transition: all 0.3s ease;
        }
        
        .form-control:focus {
            border-color: var(--secondary-blue);
            box-shadow: 0 0 0 0.25rem rgba(44, 107, 192, 0.25);
        }
        
        .input-group-text {
            background-color: var(--light-blue);
            border: 2px solid #ddd;
            border-right: none;
        }
        
        .input-group .form-control {
            border-left: none;
        }
        
        .btn-login {
            background-color: var(--primary-blue);
            color: white;
            padding: 12px 30px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 1.1rem;
            border: none;
            transition: all 0.3s ease;
            width: 100%;
            margin-top: 20px;
        }
        
        .btn-login:hover {
            background-color: var(--accent-blue);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        /* Error/Success Messages */
        .alert-custom {
            border-radius: 6px;
            padding: 15px 20px;
            margin-bottom: 25px;
            border-left: 4px solid;
        }
        
        .alert-danger-custom {
            background-color: rgba(220, 53, 69, 0.1);
            border-left-color: var(--danger-red);
            color: #721c24;
        }
        
        .alert-success-custom {
            background-color: rgba(40, 167, 69, 0.1);
            border-left-color: var(--success-green);
            color: #155724;
        }
        
        /* Role Cards */
        .role-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 30px;
        }
        
        .role-card {
            flex: 1;
            min-width: 120px;
            background-color: var(--light-blue);
            border-radius: 8px;
            padding: 15px;
            text-align: center;
            border: 2px solid transparent;
            transition: all 0.3s ease;
        }
        
        .role-card:hover {
            border-color: var(--secondary-blue);
            transform: translateY(-3px);
        }
        
        .role-icon {
            width: 40px;
            height: 40px;
            background-color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
            color: var(--primary-blue);
            font-size: 1.2rem;
        }
        
        .role-name {
            font-weight: 600;
            color: var(--primary-blue);
            font-size: 0.9rem;
            margin: 0;
        }
        
        /* Footer */
        footer {
            background-color: var(--accent-blue);
            color: var(--white);
            padding-top: 60px;
            margin-top: auto;
        }
        
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: white;
        }
        
        .footer-links h5 {
            color: var(--white);
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-links h5:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--secondary-blue);
        }
        
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #b8d0ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-links a:hover {
            color: var(--white);
            padding-left: 5px;
        }
        
        .contact-info li {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: var(--secondary-blue);
            margin-top: 5px;
        }
        
        .copyright {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .login-card {
                padding: 30px;
            }
            
            .role-cards {
                flex-direction: column;
            }
        }
        
        @media (max-width: 576px) {
            .logo-text .main {
                font-size: 1rem;
            }
            
            .logo-text .sub {
                font-size: 0.8rem;
            }
            
            .login-card {
                padding: 25px;
            }
        }
        
        /* Password Toggle */
        .password-toggle {
            cursor: pointer;
            background-color: var(--light-blue);
            border: 2px solid #ddd;
            border-left: none;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 15px;
        }
        
        .form-check-label {
            font-size: 0.9rem;
        }
        
        .forgot-password {
            text-align: right;
            margin-top: 10px;
        }
        
        .forgot-password a {
            color: var(--secondary-blue);
            text-decoration: none;
            font-size: 0.9rem;
        }
        
        .forgot-password a:hover {
            text-decoration: underline;
        }