* {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    body {
        font-family: Arial, sans-serif;
        background-color: #f0f0f0;
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
    }

    .registration-container {
        background:#ff5722;
        border-radius: 15px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        width: 100%;
        max-width: 400px;
        padding: 20px;
        text-align: center;
    }

    h2 {
        font-size: 2.5em;
        margin-bottom: 20px;
        color: #333;
    }

    p {
        margin-bottom: 10px;
    }

    .referral-info {
        text-align: center;
        margin-bottom: 20px;
        color: #007bff;
        font-size: 18px;
    }

    .message {
        padding: 10px;
        background: linear-gradient(135deg, #f39c12, #e67e22);
        border: 1px solid #d0e9c6;
        color: #3c763d;
        margin-bottom: 10px;
    }

    form {
        display: flex;
        flex-direction: column;
    }

    .form-group {
        margin-bottom: 15px;
        position: relative;
    }

    label {
        font-weight: bold;
        color: #333;
    }

    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="tel"] {
        width: 100%;
        padding: 10px;
        border: 1px solid #ccc;
        border-radius: 4px;
        font-size: 16px;
        transition: border-color 0.3s ease;
    }

    input[type="text"]:focus,
    input[type="email"]:focus,
    input[type="password"]:focus,
    input[type="tel"]:focus {
        outline: none;
        border-color: #66afe9;
    }

    .error-message {
        color: red;
        font-size: 0.6em;
        margin-top: 5px;
    }

    button {
        background-color: green;
        color: #fff;
        border: none;
        padding: 12px;
        font-size: 16px;
        margin-bottom: 10px;
        cursor: pointer;
        border-radius: 4px;
        transition: background-color 0.3s ease;
    }

    button:hover {
        background-color: #0056b3;
    }

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

    .signup a {
        color: yellow;
    }

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

    .toggle-password {
        position: absolute;
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
        cursor: pointer;
        color: #666;
    }

    .toggle-password:hover {
        color: #333;
    }

    .box {
        background:linear-gradient(135deg, #f39c12, #e67e22) ;
        /* Purple background */
        border-radius: 15px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        padding: 20px;
        width: 100%;
        text-align: center;
        transition: transform 0.3s;
        color: #fff;
    }

    .box:nth-child(2),
    .box:nth-child(5),
    .box:nth-child(8),
    .box:nth-child(11) {
        background: linear-gradient(135deg, #f39c12, #e67e22);
        /* Blue gradient */
    }

    .box:hover {
        transform: translateY(-10px);
    }

    .box h2 {
        font-size: 1.8em;
        margin: 0 0 10px;
        color: #fff;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
    }

    .box p {
        font-size: 1.0em;
        margin: 10px 0;
        color: #fff;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
    }

    .box i {
        margin-bottom: 10px;
    }

    @media (max-width: 600px) {
        .box {
            width: 100%;
        }
    }