.muf-form {
        max-width: 800px;
        margin: 2em auto;
        padding: 2em;
        background: #fff;
        box-shadow: 0 0 20px rgba(0,0,0,0.1);
        border-radius: 8px;
    }

    .muf-form h2 {
        color: #333;
        margin-bottom: 1.5em;
        text-align: center;
    }

    .muf-form-group {
        margin-bottom: 1.5em;
    }

    .muf-form label {
        display: block;
        margin-bottom: 0.5em;
        color: #666;
        font-weight: 500;
    }

    .muf-form input[type="text"],
    .muf-form input[type="email"],
    .muf-form input[type="tel"],
    .muf-form input[type="number"],
    .muf-form textarea,
    .muf-form select {
        width: 100%;
        padding: 0.8em;
        border: 1px solid #ddd;
        border-radius: 4px;
        font-size: 16px;
    }

    .muf-plans {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5em;
        margin-bottom: 2em;
    }

    .muf-plan {
        padding: 1.5em;
        border: 1px solid #ddd;
        border-radius: 8px;
        text-align: center;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .muf-plan:hover {
        border-color: #007bff;
        transform: translateY(-3px);
    }

    .muf-plan.selected {
        border-color: #007bff;
        background: #f8f9ff;
    }

    .muf-submit {
        background: #007bff;
        color: white;
        padding: 1em 2em;
        border: none;
        border-radius: 4px;
        font-size: 16px;
        cursor: pointer;
        width: 100%;
        transition: background 0.3s ease;
    }

    .muf-submit:hover {
        background: #0056b3;
    }

    .muf-total {
        font-size: 1.2em;
        text-align: right;
        margin: 1em 0;
    }

    .muf-success {
        color: #28a745;
        text-align: center;
        padding: 1em;
        margin: 1em 0;
        background: #d4edda;
        border-radius: 4px;
    }

    .muf-error {
        color: #dc3545;
        text-align: center;
        padding: 1em;
        margin: 1em 0;
        background: #f8d7da;
        border-radius: 4px;
    }