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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.game-container {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 900px;
    width: 100%;
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.canvas-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

#gameCanvas {
    border: 3px solid #333;
    border-radius: 10px;
    background: #2d5016;
    cursor: pointer;
    max-width: 100%;
    height: auto;
    display: block;
}

.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding: 0 10px;
}

.score {
    font-size: 1.5em;
    font-weight: bold;
    color: #333;
}

.restart-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1.1em;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.restart-btn:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.restart-btn:active {
    transform: translateY(0);
}

.instructions {
    text-align: center;
    color: #666;
    line-height: 1.6;
}

.instructions p {
    margin: 5px 0;
}

/* Responsive design for mobile */
@media (max-width: 768px) {
    .game-container {
        padding: 15px;
    }

    h1 {
        font-size: 1.8em;
        margin-bottom: 15px;
    }

    .controls {
        flex-direction: column;
        gap: 15px;
    }

    .score {
        font-size: 1.3em;
    }

    .restart-btn {
        width: 100%;
        padding: 15px;
    }

    .instructions {
        font-size: 0.9em;
    }
}

/* Touch feedback */
@media (hover: none) {
    #gameCanvas {
        cursor: default;
    }
}