#gpt-chatbox-container {
    width: 100%;
    max-width: 700px;
    margin: 20px auto;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    background: #fff;
}

#gpt-chatbox-header {
    background-color: #2d2d2d;
    color: white;
    padding: 15px 20px;
    font-size: 18px;
    font-weight: bold;
    border-bottom: 2px solid #444;
}

#gpt-chatbox-messages {
    padding: 20px;
    height: 500px;
    overflow-y: auto;
    background: #f7f7f7;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#gpt-chatbox-messages div {
    padding: 12px 16px;
    border-radius: 20px;
    max-width: 85%;
    word-wrap: break-word;
    font-size: 16px;
    line-height: 1.4;
}

#gpt-chatbox-messages div:nth-child(odd) {
    background-color: #e0e0e0;
    align-self: flex-start;
}

#gpt-chatbox-messages div:nth-child(even) {
    background-color: #d1e7dd;
    align-self: flex-end;
}

#gpt-chatbox-form {
    display: flex;
    border-top: 1px solid #ddd;
    padding: 10px 15px;
    background-color: #f4f4f4;
}

#gpt-chatbox-input {
    flex-grow: 1;
    padding: 12px 14px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 8px;
    outline: none;
    margin-right: 10px;
}

#gpt-chatbox-form button {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    background-color: #2d2d2d;
    color: white;
    font-size: 15px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#gpt-chatbox-form button:hover {
    background-color: #444;
}