* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, rgb(99, 0, 238), #d0e);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background: linear-gradient(45deg, #333, #444);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    text-align: center;
    color: #fff;
    max-width: 400px;
    width: 90%;
}

h1 {
    margin-bottom: 15px;
    color: #ffcc00;
}

input, button {
    padding: 10px;
    border: none;
    border-radius: 5px;
    margin: 5px;
    font-size: 16px;
    outline: none;
}

button {
    background: #ffcc00;
    color: #333;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #e0b800;
}

.output p {
    font-size: 20px;
    margin: 10px 0;
}