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

body {
    background-color: #1a1a2e;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#game-container {
    position: relative;
    width: 960px;
    height: 640px;
}

#game-canvas {
    display: block;
    background-color: #0f0f23;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    border: 2px solid #4a4a6a;
    border-radius: 4px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

#loading-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #1a1a2e;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    transition: opacity 0.3s ease;
}

#loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    color: #e0e0e0;
}

.loading-content h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #7eb8da;
    text-shadow: 0 0 10px rgba(126, 184, 218, 0.5);
}

.loading-bar {
    width: 300px;
    height: 20px;
    background-color: #2a2a4e;
    border-radius: 10px;
    overflow: hidden;
    margin: 0 auto 15px;
    border: 1px solid #4a4a6a;
}

.loading-progress {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #4a90b8, #7eb8da);
    transition: width 0.2s ease;
}

#loading-text {
    font-size: 0.9rem;
    color: #888;
}