:root {
  --void: #0B1026;
  --void-2: #141B3F;
  --ink: #EAF2FF;
  --cyan: #35F0D0;
  --pink: #FF3D81;
  --gold: #FFC53D;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  overflow: hidden;
  background: radial-gradient(120% 100% at 50% 30%, var(--void-2) 0%, var(--void) 70%);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#c { position: fixed; inset: 0; display: block; }

.hidden { display: none !important; }
.accent { color: var(--cyan); }

/* ---- HUD ---- */
#hud {
  position: fixed;
  top: calc(14px + env(safe-area-inset-top));
  left: 0; right: 0;
  text-align: center;
  pointer-events: none;
}
#score {
  font-size: clamp(40px, 10vw, 64px);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-shadow: 0 0 24px rgba(53, 240, 208, 0.35);
}
#combo {
  min-height: 1.4em;
  font-size: clamp(14px, 4vw, 18px);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-shadow: 0 0 16px rgba(255, 197, 61, 0.5);
}

/* ---- Overlays ---- */
.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: env(safe-area-inset-top) 24px env(safe-area-inset-bottom);
  background: rgba(11, 16, 38, 0.45);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  text-align: center;
  pointer-events: none;
}

.logo { filter: drop-shadow(0 0 18px rgba(53, 240, 208, 0.4)); }

h1 {
  font-size: clamp(40px, 12vw, 72px);
  font-weight: 800;
  letter-spacing: 0.14em;
}
h2 {
  font-size: clamp(28px, 8vw, 44px);
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--pink);
  text-shadow: 0 0 24px rgba(255, 61, 129, 0.5);
}

.tag {
  font-size: clamp(13px, 3.6vw, 16px);
  letter-spacing: 0.12em;
  opacity: 0.75;
}

.cta {
  margin-top: 18px;
  font-size: clamp(16px, 4.5vw, 22px);
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--cyan);
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.best {
  font-size: clamp(13px, 3.6vw, 16px);
  letter-spacing: 0.2em;
  opacity: 0.8;
}

#finalScore {
  font-size: clamp(64px, 20vw, 110px);
  font-weight: 800;
  text-shadow: 0 0 32px rgba(53, 240, 208, 0.4);
}

.badge {
  color: var(--gold);
  font-weight: 800;
  animation: pulse 0.9s ease-in-out infinite;
}

button {
  pointer-events: auto;
  margin-top: 10px;
  padding: 12px 28px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--ink);
  background: transparent;
  border: 1px solid rgba(53, 240, 208, 0.5);
  border-radius: 999px;
  cursor: pointer;
}
button:active { background: rgba(53, 240, 208, 0.15); }
button.primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--void);
}
button.primary:active { background: #2BD4B7; }

.row { display: flex; gap: 12px; }
.mini { font-size: 12px; letter-spacing: 0.15em; opacity: 0.7; }
.linkish {
  margin-top: 0;
  padding: 6px 12px;
  border: none;
  font-size: 11px;
  opacity: 0.5;
}

/* ---- Skins ---- */
#skins { display: flex; gap: 10px; margin-top: 4px; }
.skin {
  width: 38px; height: 38px;
  margin-top: 0; padding: 0;
  border-radius: 50%;
  border: 2px solid rgba(234, 242, 255, 0.25);
  font-size: 11px;
  letter-spacing: 0;
}
.skin.sel {
  border-color: var(--cyan);
  box-shadow: 0 0 14px rgba(53, 240, 208, 0.55);
}
.skin.locked { background: #1B2450; color: rgba(234, 242, 255, 0.6); }

/* ---- Simulated ad overlay ---- */
#adSim {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 24px;
  background: #05081A;
  text-align: center;
}
#adCount {
  font-size: 72px;
  font-weight: 800;
  color: var(--cyan);
}