.ai-reward-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 25px;
    background: #fff;
    border: 3px solid #4CAF50;
    border-radius: 12px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.ai-reward-container h2 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

.wallet-status {
    margin-bottom: 15px;
    font-size: 14px;
    color: #d9534f;
}

.chat-history {
    max-height: 400px;
    overflow-y: auto;
    padding: 12px;
    background: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 15px;
    min-height: 80px;
}

#loading {
    display: none;
    color: #4CAF50;
    font-style: italic;
    margin: 10px 0;
}

#aiInput {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    color: #000;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 6px;
    resize: vertical;
    box-sizing: border-box;
}

#sendBtn, #claimRewardBtn {
    padding: 10px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 10px;
}

#sendBtn {
    background: #4CAF50;
    color: white;
}

#claimRewardBtn {
    background: #2196F3;
    color: white;
}

.stats {
    margin-top: 20px;
    font-size: 14px;
    color: #555;
}