/* Base styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #4b5563;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6366f1;
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.5s ease-in forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.5s ease-out forwards;
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}
/* CodeDex specific styles */
.code-editor {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.challenge-card {
    transition: all 0.2s ease;
}

.challenge-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.active {
    color: #6366f1 !important;
    font-weight: 600;
}

.active:after {
    width: 100% !important;
}
/* Dark mode toggle transition */
.dark-mode-transition * {
    transition: background-color 0.3s ease, border-color 0.3s ease;
}