/* Grade de miniaturas da galeria dentro da matéria */
.gf-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
    margin: 20px 0;
}

.gf-gallery .gf-item {
    display: block;
    overflow: hidden;
    border-radius: 6px;
    aspect-ratio: 1 / 1;
    cursor: zoom-in;
}

.gf-gallery .gf-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.25s ease;
}

.gf-gallery .gf-item:hover img {
    transform: scale(1.06);
}

/* Lightbox (popup) */
body.gf-lightbox-lock {
    overflow: hidden;
}

.gf-lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease;
}

.gf-lightbox-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.gf-lightbox-content {
    position: relative;
    max-width: 92vw;
    max-height: 92vh;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gf-lightbox-img {
    max-width: 92vw;
    max-height: 82vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.6);
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.gf-lightbox-overlay.is-loading .gf-lightbox-img {
    opacity: 0;
    transform: scale(0.97);
}

.gf-lightbox-spinner {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid rgba(255, 255, 255, 0.25);
    border-top-color: #fff;
    border-radius: 50%;
    animation: gf-spin 0.8s linear infinite;
}

.gf-lightbox-overlay.is-loading .gf-lightbox-spinner {
    display: block;
}

@keyframes gf-spin {
    to { transform: rotate(360deg); }
}

.gf-lightbox-caption {
    color: #eee;
    font-size: 14px;
    margin-top: 14px;
    max-width: 80vw;
}

.gf-lightbox-counter {
    color: #bbb;
    margin-top: 6px;
    font-size: 13px;
    letter-spacing: 0.5px;
}

/* Botão de fechar — sempre visível, em formato circular */
.gf-lightbox-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.12);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    transition: background 0.15s ease, transform 0.15s ease;
}

.gf-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.08);
}

.gf-lightbox-prev,
.gf-lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.12);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    z-index: 2;
    transition: background 0.15s ease;
}

.gf-lightbox-prev:hover,
.gf-lightbox-next:hover {
    background: rgba(255, 255, 255, 0.25);
}

.gf-lightbox-prev { left: 18px; }
.gf-lightbox-next { right: 18px; }

@media (max-width: 600px) {
    .gf-lightbox-close {
        top: 10px;
        right: 10px;
        width: 38px;
        height: 38px;
        font-size: 22px;
    }

    .gf-lightbox-prev,
    .gf-lightbox-next {
        width: 38px;
        height: 38px;
        font-size: 16px;
    }

    .gf-lightbox-prev { left: 8px; }
    .gf-lightbox-next { right: 8px; }
}