:root {
  --footer-h: 55px;
  --navy: #0b132b;
  --navy-deep: #050a19;
  --line: rgba(255,255,255,.12);
  --text: #ffffff;
  --muted: #8b96a8;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}
body {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--navy);
  color: var(--text);
  touch-action: manipulation;
}
#game-page {
  position: fixed;
  inset: 0 0 var(--footer-h) 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--navy);
}
#game-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('crest.opt12.webp');
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  opacity: 1;
  pointer-events: none;
}
#game-page::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(11, 19, 43, 0.97),
    rgba(28, 37, 65, 0.95));
  pointer-events: none;
}