body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f2f5;
    overflow: auto;
}

.chat-container {
    width: 100%;
    max-width: 400px;
    height: 80vh;
    max-height: 600px;
    border: 1px solid #ccc;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    background-color: white;
    display: flex;
    flex-direction: column;
    margin: 10px;
}

.chat-header {
    background-color: #f28c38;
    color: white;
    padding: 10px;
    text-align: center;
    font-size: 20px;
    flex-shrink: 0;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    box-sizing: border-box;
}

.bot-message {
    background-color: #fffbe6;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    max-width: 70%;
    word-wrap: break-word;
    font-size: 14px;
}

.user-message {
    background-color: #e1f5fe;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    max-width: 70%;
    margin-left: auto;
    text-align: right;
    word-wrap: break-word;
    font-size: 14px;
}

.chat-input {
    display: flex;
    padding: 10px;
    border-top: 1px solid #ccc;
    flex-shrink: 0;
}

.chat-input input {
    flex: 1;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 14px;
    min-height: 40px;
}

.chat-input button {
    padding: 8px 15px;
    margin-left: 10px;
    background-color: #f28c38;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 14px;
    min-height: 40px;
}

.chat-input button:hover {
    background-color: #d8702a;
}

.option-button {
    display: inline-block;
    padding: 10px 15px;
    margin: 5px;
    background-color: #9c27b0;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 14px;
    min-width: 100px;
    text-align: center;
}

.option-button.green {
    background-color: #4caf50;
}

.option-button.red {
    background-color: #f44336;
}

.option-button.gray {
    background-color: #9e9e9e;
}

.option-button:hover {
    opacity: 0.9;
}

/* Updated for menu items */
.menu-items-list {
    max-height: 200px;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    padding: 10px;
    margin: 10px 0;
    background-color: #f9f9f9;
    border-radius: 5px;
    display: flex;
    gap: 10px;
}

.menu-items-list .menu-item-item {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin-right: 15px;
}

.menu-items-list img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 5px;
}

.menu-items-list button {
    padding: 5px 10px;
    margin-top: 5px;
    background-color: #4caf50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
}

.menu-items-list button:hover {
    background-color: #45a049;
}

/* Updated for selected menu items */
.selected-menu-items {
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f0f0f0;
    overflow-y: auto;
    max-height: 100px;
}

.selected-menu-items div {
    margin: 5px 0;
    word-wrap: break-word;
}

/* Media Queries */
@media (max-width: 768px) {
    .chat-container {
        max-width: 100%;
        height: 90vh;
        margin: 5px;
    }

    .chat-header {
        font-size: 18px;
    }

    .chat-messages {
        padding: 10px;
    }

    .chat-input input,
    .chat-input button {
        padding: 6px;
        font-size: 12px;
        min-height: 35px;
    }

    .option-button {
        padding: 8px 12px;
        font-size: 12px;
        min-width: 90px;
    }

    .menu-items-list {
        max-height: 150px;
    }

    .menu-items-list img {
        width: 60px;
        height: 60px;
    }

    .selected-menu-items {
        max-height: 80px;
    }
}

@media (min-width: 769px) {
    .chat-container {
        margin: 20px;
    }

    .chat-header {
        font-size: 22px;
    }

    .bot-message,
    .user-message {
        font-size: 16px;
    }

    .chat-input input,
    .chat-input button {
        font-size: 16px;
        min-height: 45px;
    }

    .option-button {
        font-size: 16px;
        min-width: 120px;
    }

    .menu-items-list {
        max-height: 250px;
    }

    .menu-items-list img {
        width: 100px;
        height: 100px;
    }

    .selected-menu-items {
        max-height: 120px;
    }
}