app.css

.left_header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.left_header h1 {
    font-size: 1.5rem;
    font-weight: bold;
    text-align: center;
    color: #1a1a1a;
}

.right_panel {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.render_header {
    background: #f5f5f5;
    padding: 0.75rem;
    border-bottom: 1px solid #e8e8e8;
    display: flex;
    gap: 0.5rem;
}

.header_btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ff5f56;
}

.header_btn:nth-child(2) {
    background: #ffbd2e;
}

.header_btn:nth-child(3) {
    background: #27c93f;
}

.right_content {
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.history_chatbot {
    height: 100%;
    overflow-y: auto;
}

.html_content {
    width: 100%;
    height: 100%;
    border: none;
}