:root {
    --bg-color: #E0F7FA;
    /* Light Blue Background */
    --pro-blue: #00BFFF;
    /* DeepSkyBlue */
    --text-color: #000;
    /* Dark text for light bg */
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Press Start 2P', cursive;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.game-container {
    position: relative;
    border: 4px solid var(--pro-blue);
    padding: 10px;
    /* No shadow/glow */
    border-radius: 5px;
    width: 440px;
    /* Canvas + Padding */
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #000;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 10px;
    color: var(--pro-blue);
    text-shadow: none;
    /* No Neon */
    font-size: 14px;
}

.home-btn {
    text-decoration: none;
    color: #fff;
    font-size: 10px;
    border: 1px solid #fff;
    padding: 5px 10px;
    transition: all 0.2s;
}

.home-btn:hover {
    background: #fff;
    color: #000;
}

canvas {
    background-color: #000;
    border: 1px solid #333;
    /* Subtle border */
    display: block;
    box-shadow: none;
    /* No Neon */
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    /* Darker, solid-looking */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    z-index: 10;
}

.hidden {
    display: none !important;
}

h1 {
    color: var(--pro-blue);
    text-shadow: none;
    /* No Neon */
    margin-bottom: 20px;
    font-size: 32px;
}

p {
    margin-bottom: 30px;
    font-size: 12px;
    color: #ccc;
    text-shadow: none;
}

button {
    background: var(--pro-blue);
    color: #000;
    /* Contrast black text on blue button */
    font-family: inherit;
    font-size: 20px;
    padding: 10px 30px;
    border: none;
    cursor: pointer;
    box-shadow: none;
    /* No Neon */
    transition: all 0.2s;
}

button:hover {
    background: #fff;
    color: #000;
    box-shadow: none;
}