body {
    background-color: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.chatbot-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-height: 100%;
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
}

.chat-header {
    background-color: #f8f9fa;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.chat-header h5 {
    margin: 0;
    font-weight: 600;
}

.chat-messages {
    flex-grow: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.message {
    display: flex;
    max-width: 80%;
}

.message.user {
    align-self: flex-end;
}

.message.bot {
    align-self: flex-start;
}

.message-content {
    padding: 0.5rem 0.75rem;
    border-radius: 1rem;
    background-color: #e9ecef;
    color: #212529;
}

.message.user .message-content {
    background-color: #0d6efd;
    color: white;
}

.chat-input-container {
    display: flex;
    padding: 0.5rem;
    border-top: 1px solid #dee2e6;
    gap: 0.5rem;
}

.source-pill {
    cursor: pointer;
}

.sources {
    margin-top: 8px;
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .chat-messages {
        padding: 0.5rem;
    }
}

.chat-header .btn-close {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
}