:root {
    --primary-color: #E84393;
    --secondary-color: #FD79A8;
    --bg-color: #2D3436;
    --text-color: #FFFFFF;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Roboto', sans-serif;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    touch-action: none;
}

#game-container {
    position: relative;
    box-shadow: 0 0 20px rgba(232, 67, 147, 0.5);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    max-width: 500px;
    max-height: 800px;
}

canvas {
    display: block;
    background-color: #000;
    flex: 1;
    width: 100%;
}

#keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding: 20px;
    background-color: #2D3436;
    border-top: 2px solid var(--primary-color);
    height: 250px;
}

.key {
    background-color: #3e4446;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 10px;
    font-size: 20px;
    font-family: 'Press Start 2P', monospace;
    cursor: pointer;
    touch-action: manipulation;
    transition: background-color 0.1s;
    user-select: none;
}

.key:active {
    background-color: var(--primary-color);
    transform: scale(0.95);
}

.key.action {
    background-color: var(--secondary-color);
    color: #2D3436;
}