body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

.container {
    max-width: 1200px;
}

/* Animation for page transitions */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade {
    animation: fadeIn 0.3s ease-out forwards;
}

/* Custom button styles */
.btn-primary {
    background-color: #3b82f6;
    color: white;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: #2563eb;
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .quiz-card {
        width: 100%;
    }
}