.membership-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

body.admin-bar .membership-modal {
    top: var(--wp-admin--admin-bar--height, 32px);
}

@media screen and (max-width: 782px) {
    body.admin-bar .membership-modal {
        top: 46px;
    }
}

.membership-modal.is-open {
    opacity: 1;
    visibility: visible;
}

.membership-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(3px);
}

.membership-modal-container {
    position: relative;
    background-color: #ffffff;
    width: 90%;
    max-width: 500px;
    border-radius: 12px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    z-index: 1;
    overflow: hidden;
}

.membership-modal.is-open .membership-modal-container {
    transform: scale(1);
}

.membership-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: #333333;
    cursor: pointer;
    transition: color 0.2s ease;
    padding: 0;
    z-index: 2;
}

.membership-modal-close:hover {
    color: #ff3366;
}

.membership-modal-content {
    padding: 30px;
    max-height: 80vh;
    overflow-y: auto;
}

.membership-modal-title {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 22px;
    font-weight: 600;
    color: #333333;
    text-align: center;
}

.membership-no-form {
    text-align: center;
    color: #666;
    font-size: 14px;
    padding: 20px 0;
}