:root {
  --color-primary: #B00020;       /* Strong error red */
  --color-background: #FAFAFA;    /* Neutral light background */
  --color-accent: #D32F2F;        /* Alert red for STOP and list box */
  --color-text: #1A1A1A;          /* Dark text */
  --color-text-invert: #FFFFFF;   /* White for contrast */
  --color-text-light: #555555;    /* Medium gray for body text */
  --color-border: #E0E0E0;        /* Light gray border */
  --color-card-bg: #FFFFFF;       /* White card background */
}