/* Chat button container */
.chat-buttons {
    position: fixed;
    bottom: 50px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 9999;
}

/* Chat buttons - only image, no background */
.chat-btn {
    width: 30px;
    height: 30px;
    border: none;
    background: none;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    animation: wobbleZoom 0.5s infinite ease-in-out;
    transform-origin: center;
}

.chat-btn img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Animation: rotate with zoom (10%) */
@keyframes wobbleZoom {
    0%, 100% { 
        transform: rotate(0deg) scale(1);
    }
    20% { 
        transform: rotate(10deg) scale(1.05);
    }
    40% { 
        transform: rotate(-10deg) scale(0.95);
    }
    60% { 
        transform: rotate(8deg) scale(1.05);
    }
    80% { 
        transform: rotate(-8deg) scale(0.95);
    }
}
.chat-item {
    display: inline-block;
    text-align: center;
    margin: 10px;
}

.chat-btnn {
    width: 48px;
    height: 48px;
    padding: 0;
    border: none; /* Không viền */
    background: none; /* Không nền */
    cursor: pointer;
    transition: transform 0.2s ease-in-out;
}

.chat-btnn img {
    width: 100%; /* Fit theo nút */
    height: auto;
    display: block;
}

/* Hiệu ứng hover */
.chat-btnn:hover {
    transform: scale(1.15);
}

.chat-label {
    margin-top: 6px;
    font-size: 14px;
    color: #fdfbfb;
    font-weight: 500;
}