body {
    margin: 0;
    padding: 0;
    background: #000;
    overflow: hidden;
    font-family: 'Courier New', monospace;
}

canvas {
    display: block;
    width: 100%;
    height: 100vh;
}

.input-container {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 1000;
    max-width: 90%;
}

#textInput {
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid #00ff00;
    color: #00ff00;
    font-size: 16px;
    padding: 12px 20px;
    font-family: 'Courier New', monospace;
    outline: none;
    flex: 1;
    min-width: 300px;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
}

#textInput:focus {
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.6);
}

#textInput::placeholder {
    color: #00ff0080;
}

#submitBtn {
    background: rgba(0, 255, 0, 0.2);
    border: 2px solid #00ff00;
    color: #00ff00;
    font-size: 16px;
    padding: 12px 30px;
    font-family: 'Courier New', monospace;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
}

#submitBtn:hover {
    background: rgba(0, 255, 0, 0.3);
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.6);
}

#submitBtn:active {
    background: rgba(0, 255, 0, 0.4);
}

@media (max-width: 768px) {
    .input-container {
        flex-direction: column;
        width: 90%;
    }
    
    #textInput {
        min-width: auto;
        width: 100%;
    }
}