:root {
  /* brand */
  --mq-input:       #7FAAFF;   /* blue  – inputs, focus rings, links */
  --mq-reason:      #C9EE6E;   /* lime  – success, progress, "thinking" */
  --mq-conclusion:  #FFC55C;   /* amber – primary action, the answer */
  --mq-gradient: linear-gradient(135deg, #7FAAFF, #C9EE6E 50%, #FFC55C);

  /* light (default) */
  --mq-bg:          #FFFFFF;
  --mq-surface:     #F7F8FA;
  --mq-surface-2:   #EFF1F5;
  --mq-border:      #E4E7EE;
  --mq-text:        #111114;
  --mq-text-muted:  #6B7080;
  --mq-text-faint:  #9AA0AE;
  --mq-primary:     #FFC55C;
  --mq-primary-hover: #F5B640;
  --mq-primary-text: #111114;
  --mq-focus:       #7FAAFF;
  --mq-success:     #7FBF3A;
  --mq-danger:      #E5484D;
  --mq-radius:      12px;
  --mq-radius-lg:   20px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --mq-bg:          #050507;
    --mq-surface:     #14151B;
    --mq-surface-2:   #1C1D25;
    --mq-border:      rgba(255,255,255,0.08);
    --mq-text:        #F5F5F7;
    --mq-text-muted:  #9A9DA8;
    --mq-text-faint:  #5E616C;
    --mq-primary:     #FFC55C;
    --mq-primary-hover: #FFD27A;
    --mq-primary-text: #111114;
    --mq-success:     #C9EE6E;
  }
}