:root {
  --bg: #05070d;
  --panel: rgba(8, 12, 22, 0.72);
  --panel-border: rgba(255, 255, 255, 0.08);
  --accent: #ff4d2e;
  --accent-soft: #ffd17a;
  --text: #eef2ff;
  --muted: #b4bdd6;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(255, 76, 46, 0.15), transparent 35%),
    linear-gradient(180deg, #07101b 0%, #020305 100%);
  color: var(--text);
  font-family: "Rajdhani", sans-serif;
}

body {
  padding: 0;
  overflow: hidden;
}

.app-shell {
  width: 100vw;
  height: 100vh;
}

.eyebrow,
.overlay-kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent-soft);
  font-size: 0.85rem;
}

h1,
h2 {
  margin: 0;
  font-family: "Orbitron", sans-serif;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 0.95;
}

.game-stage {
  position: relative;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at top, rgba(255, 82, 58, 0.18), transparent 28%),
    linear-gradient(180deg, rgba(7, 10, 20, 0.92), rgba(2, 3, 6, 0.98));
  overflow: hidden;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  background: transparent;
}

.top-bar {
  position: absolute;
  inset: 0 0 auto 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 24px 28px;
  z-index: 3;
  pointer-events: none;
}

.game-logo h1 {
  font-size: clamp(1.7rem, 3vw, 3rem);
}

.game-controls {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-left: auto;
  pointer-events: auto;
}

.scoreboard {
  display: grid;
  gap: 10px;
  min-width: 180px;
}

.scoreboard div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(7, 11, 21, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.scoreboard span {
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scoreboard strong {
  font-family: "Orbitron", sans-serif;
  font-size: 1.35rem;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(180deg, rgba(3, 5, 10, 0.2), rgba(3, 5, 10, 0.75));
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.overlay-card {
  width: min(420px, 100%);
  padding: 28px;
  border-radius: 24px;
  text-align: center;
  background: rgba(8, 12, 22, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}

.overlay-card p {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.35;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  background: linear-gradient(135deg, var(--accent), #ff9068);
  color: white;
  font: inherit;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: transform 120ms ease, filter 120ms ease;
}

.audio-toggle {
  min-width: 140px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
}

.audio-toggle[aria-pressed="false"] {
  opacity: 0.65;
}

button:hover {
  transform: translateY(-1px) scale(1.01);
  filter: brightness(1.06);
}

button:active {
  transform: translateY(1px) scale(0.995);
}

.brand-mark {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 2;
  font-family: "Orbitron", sans-serif;
  font-size: clamp(2rem, 5vw, 4.6rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.12);
  text-shadow: 0 0 22px rgba(255, 91, 60, 0.22);
  pointer-events: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1100px) {
  .top-bar {
    padding: 18px;
  }
  .game-controls {
    gap: 12px;
  }
}

@media (max-width: 720px) {
  .top-bar {
    flex-direction: column;
    gap: 14px;
  }
  .game-controls {
    width: 100%;
    justify-content: space-between;
  }
  .audio-toggle {
    min-width: 110px;
    padding: 12px 16px;
    font-size: 0.95rem;
  }
  .scoreboard {
    min-width: 150px;
  }
  .brand-mark {
    bottom: 14px;
    letter-spacing: 0.14em;
  }
}