html, body {
            height: 100%;
            margin: 0;
            padding: 0;
        }
        
        body {
            background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.6)), url("/theme/en/assets/images/customer-bg.jpg");
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            background-repeat: no-repeat;
            background-color: #000;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .main-content {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem 1rem;
            position: relative;
            z-index: 2;
        }

        .brand-logo {
            position: absolute;
            top: 20px;
            left: 20px;
            z-index: 3;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            padding: 15px 25px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            gap: 15px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            transition: all 0.3s ease;
        }

        .login-container {
            width: 100%;
            max-width: 460px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            padding: 2.8rem;
            border-radius: 24px;
            box-shadow: 
                0 8px 32px 0 rgba(31, 38, 135, 0.37),
                0 0 0 1px rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.1);
            animation: fadeIn 0.6s ease-out;
        }

        .login-header {
            text-align: center;
            margin-bottom: 2rem;
        }

        .login-header h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }

        .login-header p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 0;
        }

        .form-floating {
            margin-bottom: 0.5rem;
        }
        
        .form-text {
            margin-bottom: 1rem;
            padding-left: 0.75rem;
        }

        .form-floating > .form-control {
            padding: 1rem 0.75rem;
            height: calc(3.5rem + 2px);
            line-height: 1.25;
        }

        .form-floating > label {
            padding: 1rem 0.75rem;
        }

        .btn-primary {
            background-color: #0056b3;
            border-color: #0056b3;
            padding: 0.8rem 2rem;
            font-size: 1.1rem;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            background-color: #004494;
            border-color: #004494;
            transform: translateY(-2px);
        }

        .alert {
            border-radius: 8px;
            margin-bottom: 1.5rem;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @media (max-width: 768px) {
            body {
                background-size: cover;
                background-position: center;
            }
            
            .brand-logo {
                position: relative;
                top: 0;
                left: 0;
                margin: 1rem auto;
                width: fit-content;
            }

            .main-content {
                padding: 1rem;
            }

            .login-container {
                padding: 2rem;
                margin: 0 1rem;
            }

            .login-header h2 {
                font-size: 1.75rem;
            }
        }