body {
            margin: 0;
            font-family: 'Roboto', sans-serif;
            background: url('https://images.unsplash.com/photo-1465101162946-4377e57745c3?q=80&w=2070') no-repeat center center fixed;
            background-size: cover;
            color: #ffffff;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
        }

        .auth-box {
            display: flex;
            max-width: 800px;
            width: 90%;
            background: rgba(0, 0, 30, 0.85);
            border-radius: 15px;
            box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
            overflow: hidden;
        }

        .left {
            flex: 1;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .right {
            flex: 1;
            background: linear-gradient(45deg, #1e3a8a, #0ea5e9);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .header {
            text-align: center;
            margin-bottom: 30px;
        }

        .header p {
            font-size: 24px;
            font-family: 'Orbitron', sans-serif;
            color: #00f7ff;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-control {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid #00f7ff;
            border-radius: 5px;
            padding: 12px;
            color: #ffffff;
            font-size: 16px;
        }

        .form-control::placeholder {
            color: #a1a1ff;
        }

        .alert {
            background: rgba(162, 189, 30, 0.8);
            border-radius: 5px;
            padding: 10px;
            font-size: 14px;
        }

        .btn-success {
            background: #00f7ff;
            border: none;
            border-radius: 5px;
            padding: 12px;
            font-family: 'Orbitron', sans-serif;
            font-size: 16px;
            color: #000033;
            transition: background 0.3s;
        }

        .btn-success:hover {
            background: #00b7eb;
        }

        .fancy-checkbox {
            display: flex;
            align-items: center;
            color: #ffffff;
            font-size: 14px;
        }

        .fancy-checkbox input {
            margin-right: 10px;
        }

        .bottom {
            text-align: center;
            margin-top: 20px;
        }

        .bottom a {
            color: #00f7ff;
            text-decoration: none;
            font-size: 14px;
        }

        .bottom a:hover {
            text-decoration: underline;
        }

        .right img {
            height: 60px;
            margin-bottom: 20px;
        }

        .right .heading {
            font-family: 'Orbitron', sans-serif;
            font-size: 28px;
            text-align: center;
            color: #ffffff;
        }

        @media (max-width: 768px) {
            .auth-box {
                flex-direction: column;
            }
            .left, .right {
                width: 100%;
            }
        }