@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

body {
    background-color: #f0f2f5;
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    width: 350px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

h1 {
    font-size: 20px;
    text-align: center;
    color: #333;
    margin: 0;
}

textarea {
    width: 100%;
    height: 100px;
    padding: 10px;
    border: 2px solid #eee;
    border-radius: 8px;
    resize: none;
    font-size: 16px;
    box-sizing: border-box;
}

textarea:focus {
    outline: none;
    border-color: #4a90e2;
}

button {
    background-color: #4a90e2;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background-color: #357abd;
}

#output {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    min-height: 50px;
    color: #555;
    font-weight: 500;
    border-left: 4px solid #4a90e2;
}