/* =====================================================
   가평교회 – 주보 라이트박스 스타일
   자식 테마에서만 로드 (bulletin 페이지 한정)
   ===================================================== */

/* ── 오버레이 ── */
#gpc-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 99999;
    align-items: center;
    justify-content: center;
}
#gpc-lightbox.gpc-lb-open {
    display: flex;
}

/* ── 배경 ── */
#gpc-lb-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: gpcFadeIn 0.25s ease;
}

/* ── 컨테이너 ── */
#gpc-lb-container {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 90dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: gpcScaleIn 0.25s ease;
}

/* ── 이미지 ── */
#gpc-lb-img {
    max-width: 100%;
    max-height: 82dvh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    /* 핀치 줌 허용 */
    touch-action: pinch-zoom;
    user-select: none;
    -webkit-user-select: none;
}

/* ── 캡션 ── */
#gpc-lb-caption {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    margin-top: 0.75rem;
    text-align: center;
    max-width: 80vw;
}

/* ── 닫기 버튼 ── */
#gpc-lb-close {
    position: absolute;
    top: -44px;
    right: 0;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #ffffff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    z-index: 2;
}
#gpc-lb-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ── 애니메이션 ── */
@keyframes gpcFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes gpcScaleIn {
    from { transform: scale(0.92); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}

/* ── 모바일 스와이프 힌트 ── */
@media (max-width: 768px) {
    #gpc-lb-container::after {
        content: '↓ 아래로 스와이프하면 닫혀요';
        display: block;
        font-size: 0.75rem;
        color: rgba(255, 255, 255, 0.5);
        margin-top: 0.5rem;
    }
    #gpc-lb-img {
        max-height: 75dvh;
    }
}