body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1abc9c, #3498db);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #2c3e50;
}

.container {
    width: 90%;
    max-width: 600px;
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
}

h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

label {
    font-size: 1rem;
    color: #34495e;
    display: block;
    margin-bottom: 10px;
}

textarea {
    width: 100%;
    height: 100px;
    margin-bottom: 20px;
    padding: 10px;
    font-size: 1rem;
    border-radius: 8px;
    border: 1px solid #bdc3c7;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    resize: none;
    transition: border-color 0.3s ease;
}

textarea:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 10px rgba(52, 152, 219, 0.5);
}

button {
    background: #3498db;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

button:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

h2 {
    font-size: 1.5rem;
    margin-top: 30px;
    color: #34495e;
}

#results {
    margin-top: 20px;
    text-align: left;
}

.result {
    background: #ecf0f1;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
    font-family: 'Courier New', monospace;
    white-space: pre-wrap;
    overflow-x: auto;
}