/**
 * O6 Toolkit - Lightbox / Modal
 */
.o6tk-lightbox {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 99990;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    cursor: zoom-out;
}
.o6tk-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}
.o6tk-lightbox__close {
    position: absolute;
    top: 16px; right: 16px;
    z-index: 3;
    width: 48px; height: 48px;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: transform 0.2s ease;
}
.o6tk-lightbox__close svg {
    width: 24px; height: 24px;
}
.o6tk-lightbox__close:hover {
    transform: scale(1.15);
}
.o6tk-lightbox__close:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}
.o6tk-lightbox__prev,
.o6tk-lightbox__next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 48px; height: 48px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background 0.2s ease;
}
.o6tk-lightbox__prev { left: 16px; }
.o6tk-lightbox__next { right: 16px; }
.o6tk-lightbox__prev svg,
.o6tk-lightbox__next svg {
    width: 20px; height: 20px;
}
.o6tk-lightbox__prev:hover,
.o6tk-lightbox__next:hover {
    background: rgba(255,255,255,0.2);
}
.o6tk-lightbox__content {
    position: relative;
    z-index: 2;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: default;
}
.o6tk-lightbox__content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 4px;
}
.o6tk-lightbox__content iframe {
    width: 80vw;
    max-width: 1200px;
    aspect-ratio: 16/9;
    border: none;
    border-radius: 4px;
}
.o6tk-lightbox__counter {
    position: absolute;
    bottom: 16px; left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    font-size: 13px;
    opacity: 0.6;
}
.o6tk-lightbox__caption {
    position: absolute;
    bottom: 40px; left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    font-size: 14px;
    text-align: center;
    max-width: 600px;
    opacity: 0.8;
}

/* Single item: hide nav */
.o6tk-lightbox--single .o6tk-lightbox__prev,
.o6tk-lightbox--single .o6tk-lightbox__next,
.o6tk-lightbox--single .o6tk-lightbox__counter {
    display: none;
}

@media (max-width: 768px) {
    .o6tk-lightbox__prev { left: 8px; }
    .o6tk-lightbox__next { right: 8px; }
    .o6tk-lightbox__close { top: 8px; right: 8px; }
    .o6tk-lightbox__content iframe {
        width: 95vw;
    }
}

.o6tk-lightbox__close:focus-visible,
.o6tk-lightbox__prev:focus-visible,
.o6tk-lightbox__next:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .o6tk-lightbox__close,
    .o6tk-lightbox__prev,
    .o6tk-lightbox__next { transition: none; }
}

@media print {
    .o6tk-lightbox { display: none !important; }
}