body {
        margin: 0;
        padding: 0;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        background: #000000;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
        scroll-behavior: smooth;
    }

    .container {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(20px);
        padding: 40px;
        border-radius: 20px;
        width: 90%;
        max-width: 400px;
        color: white;
        text-align: center;
        position: relative;
        animation: fadeIn 2s ease;
    }

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

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .container h1 {
        margin-bottom: 20px;
        font-size: 2rem;
    }

    .container input {
        width: 100%;
        padding: 15px;
        margin-bottom: 15px;
        border: none;
        border-radius: 10px;
        background: rgb(183, 183, 183);
        color: black;
        font-size: 18px;
        outline: none;
    }

    .container button {
        width: 100%;
        margin-top: 10px;
    }

    .btn {
        padding: 12px 20px;
        border: none;
        border-radius: 8px;
        font-size: 1rem;
        margin: 10px;
        cursor: pointer;
        background-color: #2980b9;
        color: white;
    }

    #submitBtn:disabled {
        opacity: 0.5;
        cursor: not-allowed;
    }

    .error {
        color: red;
        margin-top: 10px;
    }

    .success {
        color: green;
        margin-top: 10px;
    }

    .container a {
        color: #ff8e8e;
        text-decoration: none;
        cursor: pointer;
    }