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

@keyframes rgb-border {
    0% { box-shadow: 0 0 10px rgba(255, 0, 0, 0.7); }
    33% { box-shadow: 0 0 10px rgba(0, 255, 0, 0.7); }
    66% { box-shadow: 0 0 10px rgba(0, 0, 255, 0.7); }
    100% { box-shadow: 0 0 10px rgba(255, 0, 0, 0.7); }
}

.rgb-border {
    animation: rgb-border 3s linear infinite;
}

.animate-spin-slow {
    animation: spin-slow 8s linear infinite;
}

.sidebar-link {
    position: relative;
    padding: 8px 0;
}

.sidebar-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #8b5cf6, #ec4899, #3b82f6);
    transition: width 0.3s ease;
}

.sidebar-link:hover::after {
    width: 100%;
}

.card {
    transition: all 0.3s ease;
    transform: translateY(0);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

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

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

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}