/* Custom styles for enhanced visual effects */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.prose {
    color: #374151; /* gray-700 */
    line-height: 1.75;
}

.prose h1, .prose h2, .prose h3, .prose h4 {
    color: #111827; /* gray-900 */
    font-weight: 700;
    margin-top: 1.5em; /* Consistent with Tailwind prose */
    margin-bottom: 0.8em; /* Consistent with Tailwind prose */
}

.prose p {
    margin-top: 1.25em;
    margin-bottom: 1.25em;
}

.prose blockquote {
    border-left: 4px solid #3b82f6; /* blue-500 */
    background-color: #eff6ff; /* blue-50 */
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0.5rem;
    font-style: italic;
    color: #1d4ed8; /* blue-700 */
}
.prose blockquote p {
    margin: 0;
}


.prose ul, .prose ol {
    margin-top: 1.25em;
    margin-bottom: 1.25em;
    padding-left: 1.625em; /* Consistent with Tailwind prose */
}

.prose li {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}

.prose strong {
    color: #1f2937; /* gray-800 */
    font-weight: 600;
}

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

/* General interactive element enhancement */
.hover-lift {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}
.hover-lift:hover {
    transform: translateY(-3px);
    /* box-shadow applied by Tailwind's hover:shadow-lg typically */
}


/* Animation for scroll-triggered elements */
.opacity-0 { opacity: 0; } /* Utility for initial state */

.fade-in-up {
    animation: fadeInUp 0.7s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Custom scrollbar (optional, use with care for cross-browser consistency) */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9; /* slate-100 */
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8; /* slate-400 */
    border-radius: 10px;
    border: 2px solid #f1f5f9; /* Add border to match track */
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b; /* slate-500 */
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .prose {
        font-size: 1rem; /* Tailwind's default text-base */
    }
    .prose h1 { font-size: 2.25rem; } /* Adjust heading sizes for mobile */
    .prose h2 { font-size: 1.875rem; }
    .prose h3 { font-size: 1.5rem; }

    .computational-thinking-svg {
        /* SVG will scale by default with max-w-full h-auto */
        /* No specific rule needed here unless overriding something */
    }
}

/* Specific styles for SVG elements if not handled by inline <style> or Tailwind */
.svg-box {
    /* Base styles are in SVG's <style> tag for better encapsulation */
}
.svg-box-highlight {
    /* Styles for highlighted state are in SVG's <style> tag */
}
.svg-text {
    /* Base styles are in SVG's <style> tag */
}
.svg-text-highlight {
     /* Styles for highlighted state are in SVG's <style> tag */
}

/* Drag and drop quiz specific styles */
#decomposition-source > div, #decomposition-target > div {
    transition: opacity 0.2s ease;
}
#decomposition-target {
    /* min-height is set via Tailwind */
}
.draggingPlaceholder {
    height: 40px; /* match item height */
    background-color: #f0f9ff; /* light blue */
    border: 2px dashed #93c5fd; /* blue-300 */
    border-radius: 0.375rem; /* rounded-md */
    margin-bottom: 0.5rem; /* space-y-2 */
}