/* Custom animations and transitions */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.dark ::-webkit-scrollbar-track {
    background: #1f2937;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.dark ::-webkit-scrollbar-thumb {
    background: #4b5563;
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}

/* Fade in animation for content */
#content > div {
    animation: fadeIn 0.5s ease-out;
}

/* Hover effects for cards */
.hover-lift {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Gradient text animation */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.gradient-animate {
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

.animate-gradient {
    background-size: 200% auto;
    animation: gradientShift 4s ease infinite;
}

/* Table responsive styling */
@media (max-width: 768px) {
    table {
        font-size: 0.875rem;
    }

    th, td {
        padding: 0.5rem !important;
    }
}

/* Loading spinner */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Backdrop blur support */
@supports (backdrop-filter: blur(10px)) or (-webkit-backdrop-filter: blur(10px)) {
    .backdrop-blur-lg {
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
    }

    .backdrop-blur-sm {
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
    }
}

/* Medal animations */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.medal-bounce:hover {
    animation: bounce 0.5s ease infinite;
}

/* Smooth transitions for theme toggle */
* {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

/* Remove transition for color mode changes to prevent flicker */
.no-transition * {
    transition: none !important;
}

/* Custom focus styles */
button:focus-visible,
a:focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
    border-radius: 0.375rem;
}

.dark button:focus-visible,
.dark a:focus-visible {
    outline-color: #60a5fa;
}

/* Skeleton loading animation */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.skeleton {
    animation: shimmer 2s infinite linear;
    background: linear-gradient(to right, #f0f0f0 4%, #e0e0e0 25%, #f0f0f0 36%);
    background-size: 1000px 100%;
}

.dark .skeleton {
    background: linear-gradient(to right, #374151 4%, #4b5563 25%, #374151 36%);
}

/* Print styles */
@media print {
    header,
    footer,
    #theme-toggle,
    .category-tab,
    .llm-filter-tab {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .bg-gradient-to-r {
        background: white !important;
        color: black !important;
    }
}

/* Accessibility improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}