@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&display=swap');

body {
    min-height: 100vh;
    margin: 0;
    font-family: 'Orbitron', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(45deg, #0a192f, #20232a);
    overflow: hidden;
}

#gameContainer {
    position: relative;
    width: 900px;
    height: 500px;
    border: 4px solid #00ffff;
    border-radius: 20px;
    background: linear-gradient(to bottom right, #1a2980, #26d0ce);
    box-shadow: 
        0 0 50px rgba(38, 208, 206, 0.4),
        0 0 100px rgba(26, 41, 128, 0.3);
    overflow: hidden;
    outline: none;
}

#centerLine {
    position: absolute;
    left: 50%;
    top: 0;
    width: 4px;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-50%);
}

#scoreBoard {
    position: absolute;
    top: 20px;
    width: 100%;
    color: white;
    font-size: 28px;
    display: flex;
    justify-content: space-around;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.7);
}

.paddle {
    position: absolute;
    width: 20px;
    height: 120px;
    border-radius: 10px;
    background: linear-gradient(135deg, #00ffff, #1a2980);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    cursor: move;
}

.ball {
    position: absolute;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: radial-gradient(circle, #00ffff, #1a2980);
    box-shadow: 
        0 0 20px rgba(0, 255, 255, 0.7),
        0 0 40px rgba(26, 41, 128, 0.5);
}

.powerup {
    position: absolute;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    color: white;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.powerup-multiple-balls {
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4);
}

.powerup-extra-paddle {
    background: linear-gradient(135deg, #4ecdc4, #45b7d1);
}

#starField {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.star {
    position: absolute;
    border-radius: 50%;
    background-color: white;
    opacity: 0.7;
}

#instructionsOverlay {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    color: white;
    font-size: 16px;
    text-align: center;
    opacity: 0.7;
}