/* Base Reset and Font adjustments handled by Tailwind, specific overrides here */

body {
    background-color: #050505; /* Deep black/gray */
    color: #e5e5e5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Safe Area Inset for Mobile (Notch Support) */
.safe-area-inset {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #050505;
}
::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Masonry Layout handling */
.masonry-grid {
    column-gap: 1.5rem;
    width: 100%;
}
/* Breakpoints for columns */
.masonry-grid {
    column-count: 1;
}
@media (min-width: 640px) {
    .masonry-grid {
        column-count: 2;
    }
}
@media (min-width: 1024px) {
    .masonry-grid {
        column-count: 3;
    }
}

/* Gallery Headers */
.gallery-header {
    width: 100%;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 0.5rem;
}

/* Prevent break inside masonry items */
.masonry-item {
    break-inside: avoid;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.masonry-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Image Hover Effect */
.img-container {
    overflow: hidden;
    position: relative;
    /* Hardware acceleration for smoother scale */
    transform: translateZ(0); 
}

.img-container img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    width: 100%;
    display: block;
    backface-visibility: hidden;
}

.img-container:hover img {
    transform: scale(1.05);
}

.img-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.img-container:hover .img-overlay {
    opacity: 1;
}

/* Lightbox Animation */
#lightbox {
    transition: opacity 0.3s ease;
}
#lightbox.hidden {
    opacity: 0;
    pointer-events: none;
}
#lightbox:not(.hidden) {
    opacity: 1;
    pointer-events: auto;
}

/* Desktop Lightbox Nav Zones */
#lb-zone-left, #lb-zone-right {
    transition: background-color 0.2s;
}
#lb-zone-left:hover, #lb-zone-right:hover {
    background-color: rgba(255,255,255, 0.03); /* Subtle hint */
}

/* Nav Link Underline Animation */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: white;
    transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Filter Button Active State */
.filter-btn.active {
    color: white;
    border-bottom: 1px solid white;
}

/* Sub-Filter Button Active State */
.sub-filter-btn.active {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Loader */
.loader {
    border: 2px solid #333;
    border-top: 2px solid #fff;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 50px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Announcement Bar Links */
#announcement-bar a {
    text-decoration: underline;
    font-weight: 600;
}
#announcement-bar a:hover {
    color: #555;
    transition: color 0.2s ease;
}