/* Flash Matrix — sub-game styles
 * Spec:
 *   docs/PRD.md §11.2.4 (aspect-ratio: 1/1 letterbox)
 *   docs/Visual-Guidelines.md §5 (touch lockout rules)
 *   docs/Constraints.md (44x44px targets, no zoom, no user-select)
 */

* {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  height: 100%;
  margin: 0;
  background: hsl(222, 24%, 7%);
  color: hsl(210, 40%, 98%);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  overflow: hidden;
}

.fm-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.fm-stage {
  width: min(100%, 600px);
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: hsl(223, 20%, 12%);
  border: 1px solid hsl(223, 14%, 20%);
  border-radius: 12px;
  box-sizing: border-box;
}

.fm-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.fm-status {
  font-size: 1rem;
  color: hsl(210, 40%, 98%);
  min-height: 24px;
}

.fm-score-row {
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  color: hsl(215, 15%, 70%);
}

.fm-frame {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: hsl(222, 24%, 7%);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid hsl(223, 14%, 20%);
}

.fm-canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.fm-controls {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.fm-btn {
  min-width: 44px;
  min-height: 44px;
  padding: 0.5rem 1rem;
  background: transparent;
  color: hsl(210, 40%, 98%);
  border: 1px solid hsl(223, 14%, 20%);
  border-radius: 8px;
  font: inherit;
  cursor: pointer;
  touch-action: manipulation;
  transition: border-color 0.2s ease-out, color 0.2s ease-out, background 0.2s ease-out;
}

.fm-btn:hover, .fm-btn:focus-visible {
  outline: 2px dashed hsl(180, 100%, 50%);
  outline-offset: 2px;
}

.fm-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.fm-btn--primary {
  background: hsl(222, 24%, 7%);
  border-color: hsl(180, 100%, 50%);
  color: hsl(180, 100%, 50%);
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.4);
}