/* ─────────────────────────────────────────────────────────
   Falling Frenzy — Global Styles
   Premium dark-mode aesthetic with glassmorphism accents.
   ───────────────────────────────────────────────────────── */

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

:root {
  --bg-deep:   #0c0c1e;
  --bg-mid:    #141428;
  --accent:    #3c78ff;
  --gold:      #ffd740;
  --text:      #e8e8f0;
  --text-dim:  #8888aa;
  --glass-bg:  rgba(20, 20, 50, 0.65);
  --glass-bdr: rgba(255, 255, 255, 0.08);
  --radius:    16px;
}

html { height: 100%; }

body {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--bg-deep) 0%, #1a1436 50%, #0e0e24 100%);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
}

/* ── Game wrapper ──────────────────────────────────────── */
#game-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 20px;
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Canvas ────────────────────────────────────────────── */
#gameCanvas {
  display: block;
  width: min(800px, 96vw);
  height: auto;
  aspect-ratio: 800 / 600;
  border-radius: var(--radius);
  border: 1px solid var(--glass-bdr);
  box-shadow:
    0 0 60px rgba(60, 120, 255, 0.12),
    0 8px 32px rgba(0, 0, 0, 0.5);
  background: var(--bg-mid);
  cursor: default;
  touch-action: none;            /* prevent scroll on touch */
  image-rendering: auto;
}

#gameCanvas:active { cursor: grabbing; }

/* ── Controls hint ─────────────────────────────────────── */
#controls-hint {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  padding: 10px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-bdr);
  border-radius: 10px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: fadeIn 0.8s ease-out 0.3s both;
}

#controls-hint span {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 500px) {
  #game-wrapper { padding: 8px; gap: 8px; }
  #controls-hint { gap: 6px 14px; padding: 8px 12px; }
  #controls-hint span { font-size: 11px; }
}