:root {
    /* Unified color palette */
    --primary: #003764; /* FDF's primary blue */
    --primary-rgb: 0,55,100; /* rgb parts for use in rgba() */
    --on-primary: #ffffff;
    --bg: #f8f9fa;
    --card-bg: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #e2e8f0;
    --success: #28a745;
    --link: #2563eb;
    /* Extended semantic and tone variables */
    --primary-strong: #004d8a; /* used for subtle gradients */
    --primary-dark: #002d52; /* hover / active darker */
    --danger: #b91c1c; /* danger / error */
}