/* Modern Photo Grid Layout */
.photo-grid-container {
    width: 100%;
    display: grid;
    gap: 4px;
    margin: 10px 0;
    border-radius: 8px;
    overflow: hidden;
}

/* Single photo */
.photo-grid-container.single-photo {
    grid-template-columns: 1fr;
}

/* Two photos - side by side */
.photo-grid-container.two-photos {
    grid-template-columns: 1fr 1fr;
}

/* Three photos - one large, two small */
.photo-grid-container.three-photos {
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto auto;
}

.photo-grid-container.three-photos .grid-item:first-child {
    grid-row: 1 / 3;
}

/* Four photos - 2x2 grid */
.photo-grid-container.four-photos {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
}

/* Five photos - featured layout */
.photo-grid-container.five-photos {
    grid-template-columns: 2fr 1fr;
    grid-template-rows: 1fr 1fr 1fr;
}

.photo-grid-container.five-photos .grid-item:first-child {
    grid-row: 1 / 4;
}

/* Six or more photos - uniform grid */
.photo-grid-container.many-photos {
    grid-template-columns: repeat(3, 1fr);
}

/* Grid items */
.grid-item {
    position: relative;
    overflow: hidden;
    background: #f0f0f0;
    cursor: pointer;
    aspect-ratio: 1;
}

.grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.grid-item:hover img {
    transform: scale(1.05);
    opacity: 0.9;
}

/* Overlay for additional photos */
.grid-item .photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.grid-item:hover .photo-overlay {
    opacity: 1;
}

/* Blur effect for sensitive content */
.photo-grid-container.blurred .grid-item img {
    filter: blur(20px);
}

.photo-grid-container.blurred .blur-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.photo-grid-container.blurred .blur-overlay button {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.photo-grid-container.blurred .blur-overlay button:hover {
    background: white;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .photo-grid-container {
        gap: 2px;
    }
    
    .photo-grid-container.five-photos {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
    }
    
    .photo-grid-container.five-photos .grid-item:first-child {
        grid-column: 1 / 3;
        grid-row: auto;
    }
    
    .photo-grid-container.many-photos {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Animation for loading */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.grid-item {
    animation: fadeIn 0.3s ease forwards;
}

.grid-item:nth-child(1) { animation-delay: 0s; }
.grid-item:nth-child(2) { animation-delay: 0.05s; }
.grid-item:nth-child(3) { animation-delay: 0.1s; }
.grid-item:nth-child(4) { animation-delay: 0.15s; }
.grid-item:nth-child(5) { animation-delay: 0.2s; }
.grid-item:nth-child(6) { animation-delay: 0.25s; }