/* Custom Utilities & Glassmorphism */
.glass {
    background: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Author Links Hover Effect */
.author-link::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: #3b82f6;
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
}
.author-link:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* Leaderboard Table Hover Styles */
tbody tr {
    transition: background-color 0.2s ease, transform 0.2s ease;
}
tbody tr:hover {
    background-color: rgba(31, 41, 55, 0.8);
    transform: translateY(-1px);
}

/* Image comparison grid fade in */
.comparison-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.6s ease forwards;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger animation delays for grid items */
.comparison-card:nth-child(1) { animation-delay: 0.1s; }
.comparison-card:nth-child(2) { animation-delay: 0.2s; }
.comparison-card:nth-child(3) { animation-delay: 0.3s; }
.comparison-card:nth-child(4) { animation-delay: 0.4s; }
.comparison-card:nth-child(5) { animation-delay: 0.5s; }
.comparison-card:nth-child(6) { animation-delay: 0.6s; }

/* Custom Scrollbar for table */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #111827; 
}
::-webkit-scrollbar-thumb {
    background: #374151; 
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #4b5563; 
}