.side-nav {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: #f8f9fa;
    padding: 2rem 1.5rem;
    width: 250px;
    min-height: 100vh;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.side-nav::-webkit-scrollbar {
    display: none;
}

.side-nav {
    padding-bottom: 4rem;
}

.nav-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: #2c3e50;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-link:hover {
    background: #e9ecef;
    color: #1a73e8;
    transform: translateX(5px);
}

.nav-link i {
    width: 20px;
    text-align: center;
    color: #6c757d;
}

.nav-link:hover i {
    color: #1a73e8;
}

@media (max-width: 1024px) {
    .side-nav {
        position: relative;
        height: auto;
        min-height: auto;
        width: 100%;
    }
}