.chat-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 350px;
    height: 500px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

#video-container {
    height: 200px;
    width: 100%;
    background: #f0f0f0;
    border-radius: 10px 10px 0 0;
    overflow: hidden;
}

#ai-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.input-container {
    padding: 10px;
    border-top: 1px solid #eee;
}