.pkb-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}
.pkb-popup-overlay.pkb-show {
    opacity: 1;
}
.pkb-popup-container {
    position: relative;
    max-width: 550px;
    width: 90%;
    background: transparent;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
}
.pkb-popup-close {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 36px;
    height: 36px;
    background: #ffffff;
    color: #333;
    border: 2px solid #333;
    border-radius: 50%;
    font-size: 24px;
    line-height: 30px;
    text-align: center;
    cursor: pointer;
    z-index: 1000000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    transition: transform 0.2s, background 0.2s;
    padding: 0;
}
.pkb-popup-close:hover {
    background: #ff4d4d;
    color: #fff;
    transform: scale(1.1);
}
.pkb-swiper {
    width: 100%;
    border-radius: 12px;
}
.pkb-swiper .swiper-slide img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    object-fit: contain;
    max-height: 80vh;
}
.pkb-swiper .swiper-button-next,
.pkb-swiper .swiper-button-prev {
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.6);
}
.pkb-swiper .swiper-pagination-bullet-active {
    background: #ffffff;
}