:root {
  --bg: #04060c;
  --ink: #d8f7ff;
  --glow: #6ff2ff;
  --amber: #ffcf6b;
  --line: #14243a;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.04em;
}

.arcade {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: clamp(0.6rem, 2.5vw, 1.25rem);
}

.hud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
  color: var(--glow);
  text-transform: uppercase;
  font-size: 0.8rem;
}

.hud b { color: #fff; font-size: 1.05rem; margin-left: 0.4em; }
.hud .best { margin-left: auto; color: var(--amber); }
.hud .best b { color: var(--amber); }

.stage {
  position: relative;
  flex: 1;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 45%, #0b1626 0%, #04060c 70%);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 0.5rem;
  padding: 1.5rem;
  text-align: center;
  background: rgba(4, 6, 12, 0.82);
  backdrop-filter: blur(2px);
}

.overlay.hidden { display: none; }

.logo {
  margin: 0;
  font-size: clamp(1.8rem, 7vw, 3.2rem);
  letter-spacing: 0.35em;
  text-indent: 0.35em;
  color: var(--glow);
  text-shadow: 0 0 22px rgba(111, 242, 255, 0.5);
}

.sub {
  margin: 0 0 0.75rem;
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  color: #6d8ba8;
}

.copy {
  max-width: 30rem;
  margin: 0 0 0.75rem;
  color: var(--ink);
  line-height: 1.6;
}

.start {
  padding: 0.7rem 1.8rem;
  background: none;
  border: 2px solid var(--glow);
  border-radius: 3px;
  color: var(--glow);
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.22em;
  cursor: pointer;
  animation: pulse 1.6s ease-in-out infinite;
}

.start:hover,
.start:focus-visible {
  background: var(--glow);
  color: #04060c;
  outline: none;
  animation: none;
}

@keyframes pulse { 50% { opacity: 0.55; } }

.keys { margin: 1rem 0 0; color: #6d8ba8; font-size: 0.75rem; }

kbd {
  display: inline-block;
  margin: 0 0.15em;
  padding: 0.1em 0.45em;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 3px;
  color: var(--ink);
}

.touch {
  display: none;
  gap: 0.5rem;
}

.touch button {
  flex: 1;
  padding: 0.9rem 0;
  background: rgba(111, 242, 255, 0.08);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--glow);
  font: inherit;
  font-size: 1.1rem;
  touch-action: none;
  user-select: none;
}

.touch button:active { background: rgba(111, 242, 255, 0.25); }
.touch .fire { flex: 1.4; font-weight: 700; letter-spacing: 0.15em; }

@media (hover: none) and (pointer: coarse) {
  .touch { display: flex; }
}

.arcade-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  color: #4f6d86;
  font-size: 0.72rem;
}

.arcade-foot a { color: #6d8ba8; }
.arcade-foot .presence-badge.is-online { color: var(--glow); }

@media (prefers-reduced-motion: reduce) {
  .start { animation: none; }
}