@keyframes border-pulse {
    0% { box-shadow: 0 0 30px rgba(0, 255, 136, 0.2); }
    50% { box-shadow: 0 0 60px rgba(0, 255, 136, 0.6); }
    100% { box-shadow: 0 0 30px rgba(0, 255, 136, 0.2); }
}

#game-container {
    position: relative;
    box-shadow: 0 0 50px rgba(0, 255, 136, 0.1);
    border-radius: 8px;
    overflow: hidden;
    animation: border-pulse 3s infinite;
}

canvas {
    background-color: rgb(15, 21, 37);
    border: 2px solid rgb(42, 59, 90);
    display: block;
}

#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    padding: 20px;
    box-sizing: border-box;
}

#minimapCanvas {
    position: fixed;
    top: 25px;
    left: 20px;
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(0, 255, 136, 0.5);
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    z-index: 1000;
}