:root {
  --color-primary: #FF5252;       /* Bright error red */
  --color-background: #0D0D0D;    /* Near-black background */
  --color-accent: #B71C1C;        /* Deep red for STOP and list box */
  --color-text: #E0E0E0;          /* Light gray text */
  --color-text-invert: #000000;   /* Black for contrast inside red blocks */
  --color-text-light: #AAAAAA;    /* Muted gray for body text */
  --color-border: #444444;        /* Dark gray border */
  --color-card-bg: #1A1A1A;       /* Charcoal card background */
}