/* Games — modern flat design */
.minesweeper-app,
.snake-app,
.tetris-app,
.tictactoe-app,
.game2048-app,
.sudoku-app,
.chess-app,
.memory-app,
.pong-app,
.solitaire-app,
.flappybird-app {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  background: var(--space-bg-window, var(--surface-solid));
}

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--space-bg-card, #fff);
  border-bottom: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
}

.game-score {
  font-size: 14px;
  font-weight: 600;
  color: var(--space-text-primary, #111827);
  letter-spacing: -0.01em;
}

.game-btn {
  padding: 8px 18px;
  border-radius: var(--space-radius-md, 8px);
  font-size: 14px;
  font-weight: 600;
  cursor: default;
  border: 1px solid var(--space-border-default, rgba(0,0,0,0.1));
  background: var(--space-bg-card, #fff);
  color: var(--space-text-primary, #111827);
  transition: background 0.1s ease, transform 0.15s var(--space-ease-spring), box-shadow 0.15s ease;
  box-shadow: var(--space-shadow-xs, 0 1px 2px rgba(0,0,0,0.04));
}

.game-btn:hover {
  transform: scale(1.03);
  background: var(--space-bg-hover, rgba(0,0,0,0.04));
  box-shadow: var(--space-shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
}

.game-btn.primary {
  background: var(--space-accent, #0066ff);
  color: var(--space-text-inverse, #fff);
  border-color: transparent;
}

.game-btn.danger {
  background: var(--space-error-soft, rgba(220,38,38,0.1));
  color: var(--space-error, #dc2626);
  border-color: rgba(220, 38, 38, 0.15);
}

.canvas-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  background: var(--space-bg-card, #fff);
  padding: 20px;
}

.canvas-game {
  background: var(--space-bg-window-active, #0a0a0c);
  border: 2px solid var(--space-border-strong, rgba(0,0,0,0.15));
  border-radius: var(--space-radius-lg, 12px);
  cursor: crosshair;
  box-shadow: var(--space-shadow-md, 0 8px 24px rgba(0,0,0,0.1));
}

.difficulty-selector {
  display: flex;
  gap: var(--space-gap-sm, 4px);
  padding: 10px;
  flex-wrap: wrap;
}

.difficulty-btn {
  padding: 5px 14px;
  font-size: 12px;
  border-radius: var(--space-radius-full, 9999px);
  background: var(--space-bg-hover, rgba(0,0,0,0.04));
  color: var(--space-text-primary, #111827);
  border: 1px solid var(--space-border-default, rgba(0,0,0,0.1));
  cursor: default;
  font-weight: 500;
  transition: all 0.15s ease;
}

.difficulty-btn:hover {
  background: var(--space-bg-active, rgba(0,0,0,0.08));
}

.difficulty-btn.active {
  background: var(--space-accent, #0066ff);
  color: var(--space-text-inverse, #fff);
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(0, 102, 255, 0.2);
}