.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1050;
}

.popup-content {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    padding: 30px;
    width: 90%;
    max-width: 600px;
    text-align: center;
    position: relative;
}

.popup-content img {
    max-width: 120px;
    margin-bottom: 20px;
}

.popup-content h2 {
    margin-bottom: 20px;
    font-size: 24px;
    font-weight: 600;
}

.popup-content .form-control {
    border-radius: 8px;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.popup-content .btn {
    border-radius: 8px;
    font-weight: 500;
}

.popup-content .close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 28px;
    color: #333;
    cursor: pointer;
}