:root {
  --bg: #07140f;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #86efac;
  --ink: #f8fafc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(ellipse at 20% 0%, rgba(74, 222, 128, 0.16), transparent 45%),
    radial-gradient(ellipse at 90% 80%, rgba(251, 191, 36, 0.1), transparent 40%),
    linear-gradient(180deg, #07140f, #0f172a 55%, #020617);
  user-select: none;
  touch-action: manipulation;
}

.header {
  text-align: center;
  padding: 1rem 1rem 0.25rem;
}

.header h1 {
  margin: 0.2rem 0;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.back {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.hud {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin: 0.5rem 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.hud strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.stage {
  position: relative;
  width: min(960px, 96vw);
  margin: 0 auto;
}

#game {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid #14532d;
  background: #14532d;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.2rem;
  text-align: center;
  background: rgba(2, 6, 23, 0.82);
  border-radius: 16px;
  z-index: 3;
}

.overlay.hidden {
  display: none;
}

#overlay-title {
  margin: 0;
  font-size: 1.55rem;
  color: var(--accent);
}

.hint {
  margin: 0;
  max-width: 32rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.overlay-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
}

#start,
.overlay-actions button {
  border: 0;
  border-radius: 10px;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: #052e16;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.overlay-actions button.secondary {
  background: #1e293b;
  color: #e2e8f0;
  border: 1px solid #334155;
}

.controls {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0.75rem 1rem 1.2rem;
}

.shop {
  max-width: 960px;
  margin: 0 auto 2.5rem;
  padding: 0 1rem;
}

.shop h2 {
  text-align: center;
  margin: 0 0 0.35rem;
  color: var(--accent);
}

.shop-note {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1rem;
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.85rem;
}

.cue-card {
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 0.85rem 0.7rem;
  text-align: center;
}

.cue-card.equipped {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(134, 239, 172, 0.35);
}

.cue-preview {
  width: 12px;
  height: 72px;
  margin: 0 auto 0.5rem;
  border-radius: 6px;
  background: linear-gradient(180deg, #f8fafc, currentColor);
}

.cue-card h3 {
  margin: 0 0 0.2rem;
  font-size: 0.95rem;
}

.cue-card .price,
.cue-card .blurb,
.cue-card .stats {
  margin: 0.12rem 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.cue-card .price {
  color: #fde68a;
}

.cue-btn {
  margin-top: 0.5rem;
  width: 100%;
  padding: 0.45rem;
  font-size: 0.85rem;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: var(--accent);
  color: #052e16;
}

.cue-btn:disabled {
  opacity: 0.65;
  cursor: default;
}

.cue-btn.owned {
  background: #22d3ee;
  color: #083344;
}

.cue-btn.equipped-btn {
  background: #475569;
  color: #e2e8f0;
}