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

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Arial', sans-serif;
}

.container {
    text-align: center;
    background: rgba(0, 0, 0, 0.8);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

h1 {
    color: #00ff88;
    margin-bottom: 20px;
    font-size: 2.5rem;
    text-shadow: 0 0 10px #00ff88;
}

.scoreboard {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
    gap: 40px;
}

.score {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.label {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.score-value {
    color: #00ff88;
    font-size: 3rem;
    font-weight: bold;
    text-shadow: 0 0 10px #00ff88;
}

#pongCanvas {
    background: linear-gradient(90deg, #1a1a2e 0%, #0f3460 50%, #1a1a2e 100%);
    border: 3px solid #00ff88;
    border-radius: 5px;
    display: block;
    margin: 0 auto 20px;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.controls {
    color: #aaa;
    font-size: 0.95rem;
    margin-top: 20px;
}

.controls p {
    margin: 8px 0;
}

.controls strong {
    color: #00ff88;
}

#resetBtn {
    margin-top: 15px;
    padding: 10px 30px;
    background: #00ff88;
    color: #1a1a2e;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#resetBtn:hover {
    background: #00dd77;
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.6);
    transform: scale(1.05);
}

#resetBtn:active {
    transform: scale(0.98);
}