.esn-membership-manager-form {
    max-width: 800px;
    margin: 0 auto;
}

.esn-membership-manager-form fieldset {
    border: 1px solid #e6e6e6;
    border-radius: 8px;
    background-color: #fafafa;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.esn-membership-manager-form fieldset legend {
    font-family: sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: #2e3192;
    padding: 10px 0;
    margin-bottom: 1rem;
}

.esn-membership-manager-form .form-item {
    margin-bottom: 0.5rem;
}

.esn-membership-manager-form input[type="text"],
.esn-membership-manager-form input[type="email"],
.esn-membership-manager-form select,
.esn-membership-manager-form input[type="date"] {
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 10px;
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

.esn-membership-manager-form input:focus,
.esn-membership-manager-form select:focus {
    border-color: #2e3192;
    outline: none;
}

.esn-membership-manager-form .form-managed-file .form-item {
    margin-bottom: 0.5rem;
}

.esn-membership-manager-form .form-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem 0 0;
}

.esn-membership-manager-form .form-submit {
    background-color: #2e3192;
    border-color: #1b1d5a;
}

.esn-membership-manager-form .form-submit:hover {
    background-color: #1b1d5a;
}

.esn-membership-manager-form .powered-by-text {
    display: inline-block;
    width: 100%;
    vertical-align: middle;
    text-align: center;
    font-size: 0.85rem;
    margin-top: 1.5rem;
}

.esn-membership-manager-form .powered-by-text a {
    color: #888888;
    text-decoration: none;
}

.esn-membership-manager-form .powered-by-text svg {
    height: 16px;
    vertical-align: sub;
}