/* Complete CSS file content with modern styling */
body, textarea, button {
    font-family: Arial, sans-serif;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

textarea {
    width: 80%;
    min-height: 150px;
    margin: 10px;
    padding: 10px;
    resize: vertical;
}

button {
    padding: 10px 20px;
    margin: 5px;
    cursor: pointer;
    background-color: #007BFF;
    border: none;
    color: white;
    border-radius: 5px;
    font-size: 1rem;
}

button:hover {
    background-color: #0056b3;
}

.ad-container {
    margin: 10px 0;
    text-align: center;
}

.ad-top, .ad-bottom {
    width: 100%;
    max-width: 728px;
    min-height: 90px;
    margin: 0 auto;
}

.ad-left, .ad-right {
    width: 160px;
    min-height: 600px;
}

.ad-left {
    float: left;
    margin-right: 20px;
}

.ad-right {
    float: right;
    margin-left: 20px;
}

@media (max-width: 768px) {
    .ad-left, .ad-right {
        width: 100%;
        float: none;
        margin: 10px 0;
    }

    .ad-popup {
        width: 100%;
        height: 250px;
    }
}

@media (max-width: 480px) {
    textarea {
        width: 90%;
    }

    .ad-top, .ad-bottom {
        min-height: 60px;
    }
    
    .ad-left, .ad-right {
        min-height: 200px;
    }
}