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

body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #333;
    padding: 15px;
}

.game-container {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    padding: 20px;
    text-align: center;
    max-width: 500px;
    width: 100%;
}

.game-header {
    margin-bottom: 20px;
}

h1 {
    color: #4CAF50;
    margin-bottom: 10px;
}

.score-container {
    font-size: 1.2rem;
    font-weight: bold;
}

canvas {
    background-color: #222;
    border-radius: 5px;
    margin-bottom: 20px;
    max-width: 100%;
    height: auto;
}

.controls {
    margin-top: 15px;
}

#start-btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-bottom: 15px;
}

#start-btn:hover {
    background-color: #45a049;
}

.instructions {
    font-size: 0.9rem;
    color: #666;
    margin-top: 15px;
    text-align: left;
}

.instructions p {
    margin-bottom: 5px;
}

/* Contact info */
.contact-info {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #eee;
    font-size: 0.9rem;
    color: #666;
}

.contact-info strong {
    color: #4CAF50;
}

/* Mobile Controls */
.mobile-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 15px 0;
}

.control-row {
    display: flex;
    justify-content: center;
    margin: 5px 0;
}

.direction-btn {
    width: 60px;
    height: 60px;
    margin: 0 5px;
    font-size: 24px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.direction-btn:active {
    background-color: #388E3C;
    transform: scale(0.95);
}

/* Hide mobile controls on larger screens */
@media (min-width: 768px) {
    .mobile-controls {
        display: none;
    }
}

/* Responsive adjustments */
@media (max-width: 500px) {
    .game-container {
        padding: 10px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .direction-btn {
        width: 50px;
        height: 50px;
    }
}