body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
}

h1 img {
    border-radius: 50%;
    margin-right: 10px;
    width: 40px;
    height: 40px;
}

.input-container {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    flex-direction: column;
}

textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    margin-right: 10px;
    resize: none;
    overflow: hidden;
    min-height: 40px;
}

button {
    display: flex;
    align-items: center;
    padding: 10px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
    margin-top: 10px;
}

button:hover {
    background-color: #218838;
}

button svg {
    margin-right: 5px;
}

.output-container {
    display: none;
    margin-top: 20px;
    padding: 10px;
    background-color: #e9ecef;
    border: 1px solid #ced4da;
    border-radius: 4px;
    word-wrap: break-word;
    position: relative;
}

.copy-button {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.copy-button.copied {
    background-color: #6c757d;
}

.error-message {
    color: red;
    margin-top: 10px;
    display: none;
}