:root {
  --bg: #060912;
  --panel: #0c1324;
  --accent: #7fe3ff;
  --accent2: #f4ff66;
  --text: #dfeeff;
  --muted: #8ba3c7;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}

body {
  background-image: radial-gradient(circle at 50% 0%, rgba(127, 227, 255, 0.08), transparent 60%);
}

.site-header {
  text-align: center;
  padding: 1.25rem 1rem 0.5rem;
}
.site-header h1 {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  letter-spacing: 0.04em;
  color: var(--accent2);
  text-shadow: 0 0 12px rgba(244, 255, 102, 0.35);
}
.tagline {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

main { max-width: 1200px; margin: 0 auto; padding: 0 1rem 2rem; }

.game-wrap {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  margin-top: 1rem;
}

.game-frame {
  position: relative;
  width: min(820px, 100%);
  aspect-ratio: 4 / 3;
  background: radial-gradient(ellipse at center, #0a1020 0%, #04060c 100%);
  border: 1px solid rgba(127, 227, 255, 0.25);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(127, 227, 255, 0.08);
}

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

.wave-flash {
  position: absolute;
  top: 46%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(1rem, 3vw, 1.6rem);
  letter-spacing: 0.08em;
  color: var(--accent2);
  text-shadow: 0 0 16px rgba(244, 255, 102, 0.6);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.wave-flash.show { opacity: 1; }

.hud {
  position: absolute;
  top: 0.5rem;
  left: 0.6rem;
  right: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  pointer-events: none;
}
.hud-row {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.hud b { color: var(--accent2); }
.lives { margin-left: auto; color: #f4ff66; }
.combo { color: #ff5fd2; font-weight: 600; }

.overlay {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(3, 5, 12, 0.82);
  backdrop-filter: blur(2px);
  text-align: center;
  padding: 1rem;
}
.overlay.show { display: flex; }
.overlay-panel h2 {
  margin: 0 0 0.6rem;
  color: var(--accent2);
  letter-spacing: 0.06em;
}
.overlay-panel p { color: var(--text); max-width: 420px; margin: 0 auto 1rem; }
.overlay-panel button {
  font-size: 1rem;
  padding: 0.6rem 1.4rem;
  margin: 0.25rem;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: rgba(127, 227, 255, 0.12);
  color: var(--text);
  cursor: pointer;
}
.overlay-panel button:hover { background: rgba(127, 227, 255, 0.25); }

.touch-controls {
  position: absolute;
  inset: auto 0 0 0;
  display: none;
  justify-content: space-between;
  padding: 0.6rem;
  pointer-events: none;
}
.touch-left, .touch-right { display: flex; gap: 0.5rem; pointer-events: auto; }
.touch-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid rgba(127, 227, 255, 0.5);
  background: rgba(10, 16, 32, 0.6);
  color: var(--accent);
  font-size: 1.1rem;
}
.touch-fire {
  width: 76px;
  border-radius: 38px;
  color: var(--accent2);
  border-color: rgba(244, 255, 102, 0.6);
}

@media (pointer: coarse) {
  .touch-controls { display: flex; }
}

.highscores {
  width: min(260px, 100%);
  background: var(--panel);
  border: 1px solid rgba(127, 227, 255, 0.18);
  border-radius: 10px;
  padding: 1rem;
}
.highscores h2 { margin-top: 0; font-size: 1rem; color: var(--accent); }
.highscores ol { margin: 0; padding-left: 1.2rem; }
.highscores .small { color: var(--muted); font-size: 0.75rem; margin-top: 0.6rem; }

.landing {
  margin-top: 2.5rem;
  background: var(--panel);
  border: 1px solid rgba(127, 227, 255, 0.15);
  border-radius: 10px;
  padding: 1.5rem clamp(1rem, 4vw, 2.5rem);
}
.landing h2 {
  color: var(--accent);
  letter-spacing: 0.03em;
  margin-top: 1.4rem;
}
.landing h2:first-child { margin-top: 0; }
.landing p { line-height: 1.6; color: var(--text); }
.controls-table { width: 100%; border-collapse: collapse; margin: 0.75rem 0 1rem; }
.controls-table th, .controls-table td {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid rgba(127, 227, 255, 0.12);
}
.controls-table th { color: var(--accent2); width: 9rem; }

.cta-link {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.6rem 1.4rem;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: rgba(127, 227, 255, 0.12);
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
}
.cta-link:hover { background: rgba(127, 227, 255, 0.25); }

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1rem 0 2rem;
}