@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

body {
    margin: 0;
    overflow: hidden;
    background-color: #000;
    font-family: 'Press Start 2P', cursive;
    color: #fff;
    user-select: none;
}

#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#score-container {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 24px;
    color: #00ffff;
    text-shadow: 0 0 10px #00ffff;
}

#start-screen, #game-over-screen {
    text-align: center;
    background: rgba(0, 0, 0, 0.8);
    padding: 40px;
    border: 4px solid #ff00ff;
    box-shadow: 0 0 20px #ff00ff, inset 0 0 20px #ff00ff;
    border-radius: 10px;
}

h1 {
    color: #ff00ff;
    text-shadow: 0 0 10px #ff00ff, 0 0 20px #ff00ff;
    margin-bottom: 20px;
}

p {
    line-height: 2;
    font-size: 14px;
}

.blink {
    animation: blinker 1.5s linear infinite;
    color: #00ffff;
    text-shadow: 0 0 10px #00ffff;
    margin-top: 20px;
}

@keyframes blinker {
    50% { opacity: 0; }
}

.hidden {
    display: none !important;
}