/* style.css — all styling */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0b0f19; --fg: #e2e8f0; --accent: #6366f1;
  --glass: rgba(255,255,255,0.06); --glass-border: rgba(255,255,255,0.12);
  --shadow: 0 10px 30px -5px rgba(0,0,0,0.5);
}
html, body {
  height: 100%; overflow: hidden;
  background: var(--bg); color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  user-select: none; -webkit-tap-highlight-color: transparent;
}
#stage {
  position: relative; width: 100vw; height: 100vh;
  display: flex; align-items: center; justify-content: center;
}
canvas {
  width: 100%; height: 100%; border-radius: 20px;
  background: radial-gradient(circle at 50% 40%, #1e293b 0%, #0b0f19 100%);
  touch-action: none; display: block;
}
#hud {
  position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 12px; align-items: center;
  padding: 10px 16px; background: var(--glass);
  border: 1px solid var(--glass-border); border-radius: 14px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow); z-index: 10; white-space: nowrap;
}
#count {
  font-weight: 700; letter-spacing: 0.4px; opacity: 0.85; font-size: 14px;
}
.controls { display: flex; gap: 6px; }
button {
  background: rgba(255,255,255,0.08); color: var(--fg);
  border: 1px solid var(--glass-border); padding: 7px 14px;
  border-radius: 9px; cursor: pointer; font: inherit; font-size: 13px;
  transition: all 0.15s cubic-bezier(0.2, 0.8, 0.2, 1);
}
button:hover { background: rgba(255,255,255,0.16); transform: translateY(-1px); }
button:active { transform: scale(0.95); background: rgba(99,102,241,0.25); border-color: var(--accent); }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
#count { border-right: 1px solid var(--glass-border); padding-right: 12px; }
#pause-overlay {
  position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(6, 7, 13, 0.7); backdrop-filter: blur(6px);
  cursor: pointer; z-index: 100; font-weight: 600; letter-spacing: 0.5px;
  opacity: 0; pointer-events: none; transition: opacity 0.25s ease;
}
#pause-overlay.active { opacity: 1; pointer-events: auto; }
.hidden { display: none !important; }
@media (max-width: 480px) {
  #hud { top: 12px; padding: 8px 12px; gap: 10px; }
  .controls { gap: 4px; }
  button { padding: 6px 10px; font-size: 12px; }
  #count { font-size: 13px; padding-right: 8px; }
}