:root {
  --iz-green:       #005D3E;
  --iz-dark-green:  #00301C;
  --iz-lime:        #CBDB2A;
  --iz-mint:        #A9D7AE;
  --iz-magenta:    #BD1A8D;
  --iz-black:       #222222;
  --iz-white:       #FFFFFF;
  --iz-panel-bg:    #1a2a2d;
  --iz-panel-border: var(--iz-lime);
}

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

html, body {
  width: 100%;
  height: 100%;
  background: #0a1930;
  color: var(--iz-white);
  font-family: 'Sora', system-ui, sans-serif;
  overflow: hidden;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  overscroll-behavior: none;
}

#game-wrap {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at center, #1a3a6a 0%, #0a1930 70%, #050810 100%);
}

#game-container {
  width: min(100vw, calc(100vh * 9 / 16));
  height: min(100vh, calc(100vw * 16 / 9));
  max-width: 720px;
  max-height: 1280px;
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.6);
  position: relative;
  background: #0a1930;
}

canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}