:root {
  --bg-1: #0a1628;
  --bg-2: #123458;
  --card: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.25);
  --text: #f8fafc;
  --accent: #ffd166;
  --accent-2: #2ce6ce;
  --danger: #ff6b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Sora", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 209, 102, 0.2), transparent 32%),
    radial-gradient(circle at 80% 90%, rgba(44, 230, 206, 0.18), transparent 30%),
    linear-gradient(160deg, var(--bg-1), var(--bg-2));
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 18px 48px;
  display: grid;
  gap: 20px;
}

.hero {
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  padding: 20px;
}

.tag {
  margin: 0;
  font-family: "Space Mono", monospace;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.hero h1 {
  margin: 10px 0 8px;
  font-size: clamp(1.4rem, 4vw, 2.5rem);
}

.subtitle {
  margin: 0;
  max-width: 70ch;
  opacity: 0.92;
}

.board-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: center;
}

.board-stage {
  position: relative;
  width: 100%;
  max-width: 420px;
  justify-self: center;
}

#plinkoCanvas {
  width: 100%;
  max-width: 420px;
  display: block;
  border-radius: 16px;
  border: 1px solid var(--card-border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(0, 0, 0, 0.2));
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.3);
}

.points-burst {
  position: absolute;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%) scale(0.45);
  opacity: 0;
  pointer-events: none;
  font-family: "Sora", sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 8vw, 3.8rem);
  color: #fff6cf;
  text-shadow:
    0 0 16px rgba(255, 214, 102, 0.9),
    0 0 38px rgba(255, 214, 102, 0.45);
}

.points-burst.show {
  animation: points-pop 960ms cubic-bezier(0.2, 0.9, 0.22, 1) forwards;
}

@keyframes points-pop {
  0% {
    opacity: 0;
    transform: translate(-50%, -42%) scale(0.35);
    filter: blur(6px);
  }
  24% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.22);
    filter: blur(0);
  }
  68% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -62%) scale(0.84);
  }
}

.status-panel {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 16px;
  text-align: center;
}

#statusText,
#scoreText {
  margin: 8px 0;
  font-size: 1rem;
}

#scoreText {
  font-family: "Consolas", "Courier New", monospace;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

#playButton {
  margin-top: 10px;
  width: 100%;
  border: none;
  border-radius: 12px;
  padding: 12px;
  font-size: 1rem;
  font-weight: 700;
  font-family: "Sora", sans-serif;
  color: #112;
  background: linear-gradient(110deg, var(--accent), var(--accent-2));
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

#playButton:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

#playButton:not(:disabled):hover {
  transform: translateY(-1px) scale(1.01);
}

@media (min-width: 780px) {
  .board-panel {
    grid-template-columns: minmax(360px, 420px) 1fr;
  }
}