*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --pw-ice: #b8e4f0;
  --pw-ink: #0a1620;
  --pw-sun: #ffb040;
  --pw-pen: #1a1a22;
}
body {
  background: var(--pw-ink);
  color: var(--pw-ice);
  font-family: 'Syne Mono', ui-monospace, monospace;
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
}
#pw-app { position: relative; width: 100vw; height: 100vh; height: 100dvh; }
#pw-canvas { display: block; width: 100%; height: 100%; background: #0e2438; }
#pw-hud {
  position: absolute; top: 0; left: 0; right: 0; z-index: 10;
  display: flex; align-items: center; gap: 1rem; padding: 0.7rem 1rem;
  background: linear-gradient(to bottom, rgba(10,22,32,0.92), transparent);
  font-size: 0.75rem; pointer-events: none;
}
#pw-dist { font-family: 'Bungee', sans-serif; color: var(--pw-sun); font-size: 1rem; }
.pw-meter { display: flex; flex-direction: column; gap: 0.2rem; min-width: 140px; }
.pw-meter span { opacity: 0.6; font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; }
.pw-bar { height: 8px; background: rgba(255,255,255,0.12); border: 1px solid rgba(184,228,240,0.35); }
#pw-panic { height: 100%; width: 0%; background: linear-gradient(90deg, #40c8ff, #ff4040); }
#pw-status { flex: 1; text-align: right; opacity: 0.65; }
.pw-screen {
  position: absolute; inset: 0; display: none; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; padding: 1.5rem;
  background: radial-gradient(ellipse at 50% 30%, rgba(255,176,64,0.12), transparent 50%), rgba(10,22,32,0.94);
  z-index: 30;
}
.pw-screen.active { display: flex; }
.pw-credit { font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; opacity: 0.55; margin-bottom: 0.6rem; }
#pw-start h1, #pw-over h2 {
  font-family: 'Bungee', sans-serif;
  font-size: clamp(2.2rem, 10vw, 4.2rem);
  color: var(--pw-ice);
  text-shadow: 4px 4px 0 #1a4060, -2px 0 0 var(--pw-sun);
  margin-bottom: 0.85rem;
}
.pw-tagline { max-width: 32rem; color: var(--pw-sun); margin-bottom: 0.9rem; line-height: 1.45; }
.pw-sub { max-width: 30rem; opacity: 0.85; line-height: 1.55; margin-bottom: 1.3rem; font-size: 0.9rem; }
#pw-play-btn, #pw-retry-btn {
  font-family: 'Bungee', sans-serif; font-size: 0.95rem; letter-spacing: 0.08em;
  padding: 0.85rem 1.6rem; border: 3px solid var(--pw-ice); background: #122838; color: var(--pw-ice);
  cursor: pointer; box-shadow: 5px 5px 0 #3a2010;
}
#pw-play-btn:hover, #pw-retry-btn:hover { background: #1a3850; transform: translate(-2px,-2px); }
.pw-controls { margin-top: 1rem; font-size: 0.72rem; opacity: 0.5; }
.pw-controls kbd { border: 1px solid rgba(184,228,240,0.4); padding: 0.1rem 0.35rem; }
.pw-meta { color: var(--pw-sun); margin: 0.5rem 0 1.2rem; }
.pw-exit {
  position: absolute; top: 0.75rem; right: 0.85rem; z-index: 50;
  color: rgba(184,228,240,0.55); text-decoration: none; font-size: 0.75rem;
}
.pw-exit:hover { color: var(--pw-ice); }