:root {
  --bg-deep: #05040a;
  --bg-panel: #0c0a1a;
  --cyan: #2ef2ff;
  --magenta: #ff2bd6;
  --yellow: #ffe93d;
  --green: #39ff6a;
  --orange: #ff7a1a;
  --red: #ff2b3d;
  --purple: #9b3bff;
  --white: #f2f6ff;

  --font-display: 'Press Start 2P', monospace;
  --font-body: 'VT323', monospace;

  --border-px: 3px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-deep);
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  font-family: var(--font-body);
  color: var(--white);
}

#app {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  position: relative;
  overflow: hidden;
  background: var(--bg-deep);
}

button {
  font-family: var(--font-display);
  cursor: pointer;
}

.hidden { display: none !important; }

/* pixelated rendering for retro feel */
canvas {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

::selection { background: var(--magenta); color: var(--bg-deep); }

/* generic pixel border panel */
.pixel-panel {
  border: var(--border-px) solid var(--cyan);
  box-shadow:
    0 0 0 3px var(--bg-deep),
    0 0 0 6px var(--cyan),
    0 0 24px rgba(46,242,255,0.35);
  background: rgba(10,8,22,0.92);
}

.arcade-btn {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--cyan);
  background: rgba(10,8,22,0.9);
  border: 3px solid var(--cyan);
  box-shadow: 4px 4px 0 rgba(46,242,255,0.25);
  padding: 14px 18px;
  margin: 8px 0;
  min-width: 240px;
  transition: transform 0.08s ease, box-shadow 0.08s ease, color 0.12s, border-color 0.12s;
}
.arcade-btn:hover {
  transform: translate(-2px,-2px);
  box-shadow: 6px 6px 0 rgba(46,242,255,0.35);
}
.arcade-btn:active {
  transform: translate(1px,1px);
  box-shadow: 2px 2px 0 rgba(46,242,255,0.35);
}
.arcade-btn.primary {
  color: var(--bg-deep);
  background: var(--yellow);
  border-color: var(--yellow);
  box-shadow: 4px 4px 0 rgba(255,233,61,0.35);
}
.arcade-btn.primary:hover { box-shadow: 6px 6px 0 rgba(255,233,61,0.45); }