/* Explain: Theme design tokens (colors, fonts) — single source of truth. */
:root {
    --primary-color: #4f46e5; /* Indigo 600 */
    --primary-hover: #4338ca; /* Indigo 700 */
    --secondary-color: #9333ea; /* Purple 600 */
    --accent-color: #06b6d4; /* Light Blue */
    --background-color: #ffffff;
    --surface-color: #f8fafc;
    --surface-alt: #f1f5f9;
    --text-color: #0f172a;
    --text-muted: #475569;
    --border-color: #e2e8f0;
    --font-heading: 'Heebo', sans-serif;
    --font-body: 'Assistant', sans-serif;
}