/* Custom styles for DunhuangCaveLib */

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

/* Custom animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card-item {
    animation: fadeIn 0.6s ease-out;
}

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

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

::-webkit-scrollbar-thumb {
    background: #d97706;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #b45309;
}

/* Enhanced card hover effects */
.card-item:hover {
    transform: translateY(-8px) scale(1.02);
}

/* Gradient text effect */
.gradient-text {
    background: linear-gradient(135deg, #d97706, #ea580c, #ca8a04);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Loading spinner */
.spinner {
    border: 4px solid #f3f4f6;
    border-top: 4px solid #d97706;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

/* Responsive image containers */
.image-container {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.image-container img {
    transition: transform 0.3s ease;
}

.image-container:hover img {
    transform: scale(1.1);
}

/* Button enhancements */
button, .btn {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

button:hover, .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(217, 119, 6, 0.3);
}

/* Section spacing */
section {
    scroll-margin-top: 80px;
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .card-item {
        margin-bottom: 1.5rem;
    }
    
    h1, h2 {
        word-wrap: break-word;
    }
}

/* Print styles */
@media print {
    nav, footer {
        display: none;
    }
}