body {
    font-family: 'Courier New', monospace;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: #0f0;
    text-shadow: 0 0 5px #0f0;
}

.container {
    background: #111;
    padding: 40px;
    border-radius: 10px;
    border: 2px solid #0f0;
    box-shadow: 0 0 20px #0f0, 0 0 40px #0a0;
    width: 90%;
    max-width: 700px;
    transition: box-shadow 0.3s ease;
}

.container:hover {
    box-shadow: 0 0 30px #0f0, 0 0 60px #0a0;
}

h1 {
    text-align: center;
    color: #0f0;
    margin-bottom: 30px;
    font-size: 2em;
    animation: glow 1.5s infinite alternate;
}

@keyframes glow {
    from { text-shadow: 0 0 5px #0f0; }
    to { text-shadow: 0 0 15px #0f0, 0 0 25px #0a0; }
}

textarea {
    width: 100%;
    height: 180px;
    margin-bottom: 20px;
    padding: 15px;
    box-sizing: border-box;
    border: 1px solid #0f0;
    border-radius: 8px;
    font-size: 16px;
    resize: vertical;
    background-color: #000;
    color: #0f0;
    font-family: 'Courier New', monospace;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

textarea:focus {
    border-color: #00ff00;
    box-shadow: 0 0 15px #0f0;
    outline: none;
}

.buttons {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
}

button {
    padding: 14px 40px;
    background: #000;
    color: #0f0;
    border: 2px solid #0f0;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-family: 'Courier New', monospace;
    transition: background 0.3s ease, color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 10px #0f0;
}

button:hover {
    background: #0f0;
    color: #000;
    transform: translateY(-3px);
    box-shadow: 0 0 20px #0f0, 0 0 30px #0a0;
}

button:active {
    transform: translateY(0);
}

#output {
    background-color: #000;
    color: #0f0;
}

@media (max-width: 480px) {
    .container {
        padding: 25px;
    }
    
    h1 {
        font-size: 1.5em;
    }
    
    button {
        padding: 12px 30px;
        font-size: 14px;
    }
    
    textarea {
        height: 140px;
    }
}