#ai-chat-button {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #2563eb;
    color: white;
    border: none;
    font-size: 28px;
    cursor: pointer;
    z-index: 9999;
}

#ai-chat-window {
    position: fixed;
    bottom: 100px;
    right: 25px;
    width: 350px;
    height: 450px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0,0,0,.2);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 9999;
    font-family: Arial, sans-serif;
}

#ai-chat-header {
    background: #2563eb;
    color: white;
    padding: 15px;
    font-weight: bold;
}

#ai-chat-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
}

.ai-message {
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 8px;
    background: #f1f5f9;
}

.user-message {
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 8px;
    background: #dbeafe;
    text-align: right;
}

#ai-chat-input-area {
    display: flex;
    border-top: 1px solid #ddd;
}

#ai-chat-input {
    flex: 1;
    padding: 12px;
    border: none;
    outline: none;
}

#ai-chat-send {
    padding: 12px;
    border: none;
    background: #2563eb;
    color: white;
    cursor: pointer;
}