*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  color: #c9d1d9;
  font-family: system-ui, sans-serif;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

#game {
  position: relative;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  cursor: none;
  background: #000;
}

#hint {
  position: fixed;
  z-index: 10;
  left: 0;
  right: 0;
  bottom: 14px;
  margin: 0;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(230, 230, 230, 0.78);
  pointer-events: none;
}

#hint kbd {
  display: inline-block;
  margin: 0 4px 0 8px;
  padding: 2px 8px;
  border: 1px solid rgba(230, 230, 230, 0.55);
  border-bottom-width: 2px;
  border-radius: 4px;
  font: 600 12px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: rgba(245, 245, 245, 0.92);
  background: rgba(255, 255, 255, 0.08);
}

#hint kbd.is-on {
  color: #1a1208;
  background: rgba(255, 184, 80, 0.9);
  border-color: rgba(255, 210, 120, 0.95);
}

#sneak-key-c {
  margin-left: 0;
}