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

body {
    font-family: 'Arial', sans-serif;
    overflow: hidden;
    background: #1a4d2e;
}

.game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#gameCanvas {
    display: block;
    background: linear-gradient(to bottom, #87CEEB 0%, #98D8C8 30%, #6B8E23 30%, #556B2F 100%);
    border: 3px solid #2d5016;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.instructions {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 15px 30px;
    border-radius: 10px;
    font-size: 18px;
    text-align: center;
    z-index: 10;
    transition: opacity 0.5s;
}

.instructions.hidden {
    opacity: 0;
    pointer-events: none;
}