/* Main Chat Area */
#main { 
    flex: 1; 
    display: flex; 
    flex-direction: column; 
    height: 100%; 
    position: relative; 
}

#chat-container { 
    flex: 1; 
    overflow-y: auto; 
    scroll-behavior: smooth; 
    padding-bottom: 160px; 
}

.message { 
    padding: 2rem 1.5rem; 
    display: flex; 
    justify-content: center;
    width: 100%;
    font-size: 1rem; 
    line-height: 1.75; 
    position: relative; 
}

.message.ai { 
    background-color: var(--ai-msg-bg); 
}

.message.user { 
    background-color: var(--user-msg-bg); 
}

.message-wrapper {
    display: flex;
    gap: 1.5rem;
    width: 100%;
    max-width: 768px;
    margin: 0 auto;
}

.avatar { 
    width: var(--avatar-size); 
    height: var(--avatar-size); 
    border-radius: var(--radius-sm); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    flex-shrink: 0; 
    margin-top: 4px;
}

.avatar.user { 
    background-color: var(--user-avatar-bg); 
}

.avatar.ai { 
    background-color: var(--accent); 
}

.message-content { 
    flex: 1; 
    min-width: 0;
    overflow-wrap: break-word; 
    position: relative; 
}