@charset "UTF-8";

body {
    margin: 0;
    padding: 40px;
    background-color: #000;
    color: #00ff99;
    font-family: 'Courier New', monospace;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h2,h3 {
    font-size: 24px;
    text-shadow: 0 0 5px #0f0, 0 0 10px #0f0;
}

input {
    font-size: 20px;
    background-color: #000;
    color: #00ff99;
    border: 2px solid #00ff99;
    padding: 8px 12px;
    margin-top: 20px;
    outline: none;
    box-shadow: 0 0 10px #00ff99;
    transition: all 0.3s ease;
}

input:focus {
    box-shadow: 0 0 15px #00ffcc;
}

#output {
    font-size: 28px;
    margin-top: 30px;
    letter-spacing: 3px;
    text-shadow: 0 0 5px #0f0, 0 0 10px #0f0;
}

.success {
    color: #00ffff;
    text-shadow: 0 0 8px #0ff, 0 0 20px #0ff;
}