:root {
    --primary-color: #2a4365;
    --secondary-color: #4a5568;
    --background-color: #f0f4f8;
    --text-color: #1a202c;
    --user-message-bg: #e2e8f0;
    --agent-message-bg: #edf2f7;
    --system-message-bg: #feebc8;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
}

.app-container {
    display: flex;
    height: 100vh;
}

.left-panel {
    width: 250px;
    background-color: var(--primary-color);
    color: white;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.left-panel h2 {
    margin-bottom: 20px;
}

.section-buttons {
    flex-grow: 1;
}

.section-buttons button, .settings-button {
    display: block;
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    background-color: transparent;
    border: none;
    color: white;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.3s;
}

.section-buttons button:hover, .settings-button:hover, .section-buttons button.active, .settings-button.active {
    background-color: rgba(255, 255, 255, 0.1);
}

.main-content {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
}

#agentSelector, #chatContainer, #battleContainer {
    background-color: white;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#agentSelector, #agentSelectors {
    padding: 20px;
}

.agent-selector {
    margin-bottom: 10px;
}

select, input[type="text"], button {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid var(--secondary-color);
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #1a365d;
}

#chatHeader, #battleHeader {
    display: flex;
    justify-content: flex-end;
    padding: 10px;
    background-color: var(--primary-color);
    color: white;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

#clearButton {
    background-color: transparent;
    color: white;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
}

#clearButton:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

#chatMessages, #battleMessages {
    height: 400px;
    overflow-y: auto;
    padding: 20px;
}

#battleMessages {
    display: flex;
    justify-content: space-between;
}

.employee-messages {
    width: 48%;
    height: 100%;
    overflow-y: auto;
    padding: 10px;
    border: 1px solid var(--secondary-color);
    border-radius: 4px;
}

.message {
    max-width: 70%;
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 8px;
    word-wrap: break-word;
    display: inline-block;
    clear: both;
}

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

.agent {
    background-color: var(--agent-message-bg);
    float: left;
}

.system {
    background-color: var(--system-message-bg);
    text-align: center;
    font-style: italic;
    margin-left: auto;
    margin-right: auto;
    float: none;
    clear: both;
}

#chatInput, #battleInput {
    display: flex;
    padding: 10px;
}

#messageInput {
    flex-grow: 1;
    margin-right: 10px;
}

.main-content h1, .main-content h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.main-content p, .main-content ul, .main-content ol {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.main-content ul, .main-content ol {
    padding-left: 1.5rem;
}

.main-content li {
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .left-panel {
        width: 100%;
        padding: 10px;
    }

    .main-content {
        padding: 10px;
    }

    #battleMessages {
        flex-direction: column;
    }

    .employee-messages {
        width: 100%;
        margin-bottom: 10px;
    }
}