:root {
    --header-height: 0px; /* Replace with actual header height */
    --tabs-height: 0px;   /* Replace with actual tabs height */
}

.messaging-window {
    width: 100%;
    max-width: 600px;
    height: calc(55vh - var(--header-height) - var(--tabs-height));
    margin: 20px auto;
    border: 1px solid #ccc;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    background-color: #f5f5f5;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.messages-container {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    background-color: #ffffff;
}

.message-input-container {
    display: flex;
    padding: 10px;
    border-top: 1px solid #ddd;
    background-color: #fff;
    border-radius: 0 0 10px 10px;
}

.message-input-container input[type="text"] {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    outline: none;
    font-size: 16px;
}

.message-input-container button {
    margin-left: 10px;
    padding: 10px 20px;
    background-color: #000;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

.message-input-container button:hover {
    background-color: #333;
}

.message {
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 10px;
    max-width: 70%;
    position: relative;
    font-size: 14px;
    line-height: 1.4;
}

.message .timestamp {
    display: block;
    font-size: 12px;
    color: #999;
    margin-top: 5px;
    text-align: right;
}

.message.sender {
    background-color: #e9c4c4;
    align-self: flex-end;
    color: #000;
    text-align: right;
}

.message.agent {
    background-color: #f0f0f0;
    align-self: flex-start;
    color: #000;
    text-align: left;
}

/* Mobile adjustments */
@media only screen and (max-width: 768px) {
    .message-input-container input[type="text"], 
    .message-input-container button {
        font-size: 18px;
    }

    .messaging-window {
        max-width: 100%;
        height: calc(55vh - var(--header-height) - var(--tabs-height));
        margin: 0;
    }

    .messages-container {
        max-height: calc(55vh - var(--header-height) - var(--tabs-height) - 60px);
    }
}