* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Courier New', Courier, monospace;
    overflow: hidden;
    user-select: none;
}

#container {
    position: relative;
    width: 960px;
    height: 540px;
}

#canvas {
    display: block;
    border: 2px solid #1a1a3a;
    cursor: default;
    image-rendering: pixelated;
}

#nameBox {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(4, 4, 18, 0.97);
    border: 2px solid #6a4aff;
    border-radius: 10px;
    padding: 28px 36px;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    z-index: 10;
    box-shadow: 0 0 32px rgba(106, 74, 255, 0.4);
}

#nameBox.show { display: flex; }

#namePrompt {
    color: #aaaacc;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

#nameInput {
    background: #0d0d22;
    border: 1px solid #5a5a9a;
    color: #ffffff;
    padding: 10px 16px;
    font-size: 22px;
    font-family: 'Courier New', monospace;
    border-radius: 6px;
    outline: none;
    width: 260px;
    text-align: center;
    letter-spacing: 3px;
}

#nameInput:focus { border-color: #9a8aff; box-shadow: 0 0 8px rgba(154,138,255,0.3); }

#nameOk {
    background: #5a3aee;
    color: #fff;
    border: none;
    padding: 10px 32px;
    font-size: 17px;
    font-family: 'Courier New', monospace;
    border-radius: 6px;
    cursor: pointer;
    letter-spacing: 2px;
    transition: background 0.15s;
}

#nameOk:hover { background: #7a5aff; }