/* Basic page reset */
* {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

/* Center everything */
body {
    min-height: 100vh;
    margin: 0;
    background: #f4f6f8;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

/* Input field */
input {
    padding: 10px 12px;
    font-size: 16px;
    width: 220px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

/* Button */
button {
    padding: 10px 16px;
    font-size: 15px;
    cursor: pointer;
    border: none;
    border-radius: 4px;
    background-color: #4caf50;
    color: white;
}

button:hover {
    background-color: #43a047;
}

/* Output text */
#output {
    font-size: 14px;
    min-height: 18px;
}

/* Title */
h1 {
    margin-bottom: 16px;
    font-size: 24px;
    font-weight: 600;
    color: #333;
}