/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    z-index: 10000;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
}

.lightbox-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 1200px;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
    animation: zoomIn 0.3s;
}

#lightboxCaption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 20px 0;
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: var(--primary-color);
    text-decoration: none;
    cursor: pointer;
}

/* Image Hover Hint */
.diagram-container img {
    cursor: zoom-in;
    transition: transform 0.3s ease;
}

.diagram-container img:hover {
    transform: scale(1.01);
}

@keyframes zoomIn {
    from {transform:scale(0.9); opacity: 0;}
    to {transform:scale(1); opacity: 1;}
}