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

body {
    background: #000;
    color: white;
    font-family: 'Arial', sans-serif;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.score-container {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 10;
    gap: 40px;
}

.score-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(0, 0, 0, 0.6);
    padding: 10px 20px;
    border-radius: 10px;
    border: 2px solid;
    box-shadow: 0 0 15px currentColor;
}

.ai-score-section {
    color: #00ff66;
    border-color: #00ff66;
}

.player-score-section {
    color: #ff0066;
    border-color: #ff0066;
    margin-top: 100px;
}

.player-name {
    font-size: 16px;
    margin-bottom: 5px;
    color: #ccc;
}

.score {
    font-size: 36px;
    font-weight: bold;
    text-shadow: 0 0 15px currentColor;
}

.controls {
    position: absolute;
    top: 20px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
}

.control-btn {
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: bold;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

#pause-btn {
    margin-left: auto; /* Align right */
}

#restart-btn {
    margin-right: auto; /* Align left */
}

.game-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    height: 100vh;
}

#gameCanvas {
    display: block;
    width: 100%;
    height: 100%;
}

.game-status {
    position: absolute;
    top: 70%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 20px;
    color: #ff0066; /* Default player color */
    text-shadow: 0 0 15px currentColor;
    text-align: center;
    background: rgba(0, 0, 0, 0.1);
    padding: 20px 30px;
    border-radius: 15px;
    border: 3px solid currentColor;
    box-shadow: 0 0 25px rgba(255, 0, 102, 0.3);
    z-index: 5;
}

.game-status.ai-serve {
    color: #00ff66; /* AI color */
    top: 30%;
    box-shadow: 0 0 25px rgba(0, 255, 102, 0.3);
}

.game-over {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 100;
}

.game-over h2 {
    color: #00ffff;
    font-size: 48px;
    margin-bottom: 30px;
    text-shadow: 0 0 30px #00ffff;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.restart-btn {
    padding: 15px 40px;
    font-size: 24px;
    background: linear-gradient(45deg, #00ffff, #0088cc);
    color: white;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    box-shadow: 0 0 25px #00ffff;
    transition: all 0.3s;
    text-transform: uppercase;
    font-weight: bold;
}

.restart-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 40px #00ffff;
}

@media (max-width: 768px) {
    .score-container {
        right: 10px;
    }
    
    .score-section {
        padding: 5px 10px;
    }
    
    .score {
        font-size: 22px;
    }
    
    .player-name {
        font-size: 14px;
    }
    
    .game-status {
        font-size: 18px;
        padding: 15px 20px;
    }
    
    .control-btn {
        padding: 5px 10px;
        font-size: 12px;
    }
    
    .player-score-section {
        margin-top: 80px;
    }
    
    .controls {
        padding: 0 10px;
    }
}