.floating-chat-container {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-icon {
    display: block;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none !important;
}

.chat-icon img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.chat-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

/* Màu nền riêng cho từng icon (tuỳ chọn) */
.zalo {
    background: linear-gradient(135deg, #128C7E, #075E54);
}

.facebook {
    background: #1877F2;
}