.hgt-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hgt-container h2 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

.hgt-form {
    display: flex;
    margin-bottom: 20px;
}

.hgt-form input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
    font-size: 16px;
}

.hgt-form button {
    padding: 10px 15px;
    background-color: #405DE6;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.hgt-form button:hover {
    background-color: #3a52d1;
}

.hgt-results {
    background-color: white;
    border-radius: 4px;
    padding: 15px;
    border: 1px solid #eee;
}

.hgt-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.hgt-results-header h3 {
    margin: 0;
    color: #333;
}

#hgt-copy-all {
    padding: 5px 10px;
    background-color: #25D366;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#hgt-copy-all:hover {
    background-color: #20bd5a;
}

#hgt-copy-all:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

#hgt-hashtags-container {
    line-height: 1.6;
}

.hgt-hashtag {
    display: inline-block;
    margin-right: 5px;
    color: #405DE6;
}

#hgt-loading {
    text-align: center;
    padding: 10px;
    color: #666;
    font-style: italic;
}