/* Loading Skeleton Styles */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 0.25rem;
}

.skeleton-title {
    height: 1.5rem;
    width: 80%;
    margin-bottom: 1rem;
    border-radius: 0.25rem;
}

.skeleton-image {
    width: 100%;
    height: 16rem;
    border-radius: 1rem;
}

.skeleton-button {
    height: 2.5rem;
    width: 100%;
    border-radius: 0.75rem;
    margin-top: 1rem;
}

/* Book Card Skeleton */
.book-card-skeleton {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Fade-in animation when content loads */
.fade-in-content {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus visible styles for accessibility */
*:focus-visible {
    outline: 2px solid #4F46E5;
    outline-offset: 2px;
}

/* Smooth transitions */
* {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
    transition-duration: 150ms;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Improve button hover states */
button:hover:not(:disabled),
a.button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

button:active:not(:disabled),
a.button:active {
    transform: translateY(0);
}

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

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

/* Improved scroll behavior */
html {
    scroll-behavior: smooth;
}

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

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

::-webkit-scrollbar-thumb {
    background: #4F46E5;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4338CA;
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
}

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