.sidebar {
    display: flex;
    flex-direction: column;
    max-height: 100vh;
    position: sticky;
    top: 0;
    scrollbar-width: none;
}

.sidebar > div:nth-child(2) {
    overflow-y: auto;
    scrollbar-width: none;
}

button {
    background-color: rgb(149,128,255);
    color: white;
    border: none;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

button:hover {
    background-color: rgb(131,255,204);
}

button:active {
    transform: scale(0.97);
}

button:disabled {
    background-color: #a5b4fc;
    cursor: not-allowed;
}