body {
            background: linear-gradient(135deg, #003b63 0%, #009ee0 100%);
            min-height: 100vh;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        .login-container {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        
        .login-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            max-width: 400px;
            width: 100%;
        }
        
        .login-header {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            color: white;
            padding: 40px 30px 30px;
            text-align: center;
        }
        
        .login-header h1 {
            font-size: 1.8rem;
            margin-bottom: 10px;
            font-weight: 300;
        }
        
        .login-header .subtitle {
            opacity: 0.9;
            font-size: 0.9rem;
        }
        
        .login-body {
            padding: 40px 30px;
        }
        
        .form-floating {
            margin-bottom: 20px;
        }
        
        .form-control {
            border: 2px solid #e9ecef;
            border-radius: 12px;
            padding: 12px 16px;
            font-size: 16px;
            transition: all 0.3s ease;
        }
        
        .form-control:focus {
            border-color: #667eea;
            box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
        }
        
        .btn-login {
            background: linear-gradient(135deg, #009ee0 0%, #003b63 100%);
            border: none;
            border-radius: 12px;
            padding: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            width: 100%;
        }
        
        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
        }
        
        .alert {
            border-radius: 12px;
            border: none;
            margin-bottom: 20px;
        }
        
        .system-info {
            background: rgba(108, 117, 125, 0.1);
            border-radius: 12px;
            padding: 20px;
            margin-top: 30px;
            text-align: center;
            font-size: 0.85rem;
            color: #6c757d;
        }
        
        .icon-input {
            position: relative;
        }
        
        .icon-input i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #6c757d;
            z-index: 10;
        }
        
        .icon-input .form-control {
            padding-left: 45px;
        }

@media (prefers-reduced-motion: reduce) {
    .form-floating>label {
        transition: none;
        padding-left: 40px;
    }
}