.chat-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.chat-button {
    background-color: #00902E;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    font-size: 24px;
    transition: transform 0.3s ease;
}

.chat-button:hover {
    transform: scale(1.1);
}

.sub-menu {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 10px;
}

.sub-button {
    background-color: #00902E;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    font-size: 20px;
    transition: transform 0.3s ease;
    text-decoration: none;
}

.sub-button:hover {
    transform: scale(1.1);
}

.sub-menu.active {
    display: flex;
    animation: slideUp 0.3s ease;
}

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