:root {
  --bg: #03020a;
  --fg: #f4f0ff;
  --muted: rgba(244, 240, 255, 0.55);
  --accent: #c4b5fd;
  --pink: #f0abfc;
  --danger: #fb7185;
  --ok: #6ee7b7;
  --glass: rgba(10, 6, 24, 0.55);
  --border: rgba(196, 181, 253, 0.22);
  --font: "Outfit", system-ui, sans-serif;
  --display: "Orbitron", var(--font);
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  user-select: none;
  touch-action: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

#c {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

#vignette {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 75% 65% at 50% 50%, transparent 35%, rgba(3, 2, 10, 0.55) 100%),
    linear-gradient(180deg, rgba(3, 2, 10, 0.4) 0%, transparent 14%, transparent 78%, rgba(3, 2, 10, 0.55) 100%);
}

.screen {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 0.85rem;
  padding: 1.5rem;
  text-align: center;
  background: radial-gradient(circle at 50% 40%, rgba(76, 29, 149, 0.35), transparent 55%),
    rgba(3, 2, 10, 0.55);
  backdrop-filter: blur(6px);
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.8rem, 10vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: 0.06em;
}

h1 span {
  background: linear-gradient(120deg, #e9d5ff, #f0abfc 50%, #fda4af);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  letter-spacing: 0.08em;
}

.lede {
  max-width: 26rem;
  color: var(--muted);
  line-height: 1.55;
  font-weight: 300;
  font-size: 0.98rem;
}

.best, .final-wave {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.final-score {
  font-family: var(--display);
  font-size: 1.4rem;
  color: var(--pink);
  letter-spacing: 0.1em;
}

.btn {
  margin-top: 0.5rem;
  padding: 0.95rem 1.8rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover { transform: translateY(-2px); }

.btn.primary {
  background: linear-gradient(135deg, #c4b5fd, #f0abfc 55%, #fda4af);
  color: #12081f;
  box-shadow: 0 10px 36px rgba(192, 132, 252, 0.4);
}

#hud {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

#hud.hidden { display: none; }

.hud-top {
  display: flex;
  justify-content: space-between;
  padding: 1.1rem 1.4rem;
}

.stat-block {
  min-width: 5.5rem;
}

.stat-block.center { text-align: center; }
.stat-block.right { text-align: right; }

.stat-block .label,
.bar-wrap .label {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.stat-block .value {
  font-family: var(--display);
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-shadow: 0 0 18px rgba(196, 181, 253, 0.5);
}

.hud-bottom {
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1.25rem;
  display: flex;
  gap: 1rem;
  max-width: 420px;
}

.bar-wrap { flex: 1; }

.bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  overflow: hidden;
}

.bar > div {
  height: 100%;
  width: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #fb7185, #f0abfc);
  box-shadow: 0 0 12px rgba(251, 113, 133, 0.5);
  transition: width 0.15s ease;
}

.bar.shield > div {
  background: linear-gradient(90deg, #67e8f9, #a5b4fc);
  box-shadow: 0 0 12px rgba(103, 232, 249, 0.45);
}

.wave-banner {
  position: absolute;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--display);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  letter-spacing: 0.28em;
  color: #fff;
  text-shadow: 0 0 30px rgba(240, 171, 252, 0.9);
  animation: banner 1.6s ease forwards;
}

.wave-banner.hidden { display: none; }

@keyframes banner {
  0% { opacity: 0; transform: translate(-50%, -40%) scale(0.9); }
  20% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  75% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -60%) scale(1.05); }
}

.toast {
  position: absolute;
  top: 22%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--border);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ok);
  animation: toast 1.2s ease forwards;
}

.toast.hidden { display: none; }
.toast.bad { color: var(--danger); }

@keyframes toast {
  0% { opacity: 0; transform: translate(-50%, 8px); }
  15% { opacity: 1; transform: translate(-50%, 0); }
  80% { opacity: 1; }
  100% { opacity: 0; }
}

@media (max-width: 640px) {
  .hud-top { padding: 0.9rem 1rem; }
  .stat-block .value { font-size: 1.1rem; }
  .hud-bottom { left: 1rem; right: 1rem; bottom: 1rem; }
}