/**
 * Orca UI design tokens — shared by admin + student portals
 */
:root {
    --orca-sidebar-bg: #1a1d2e;
    --orca-sidebar-bg-hover: rgba(124, 58, 237, 0.15);
    --orca-sidebar-text: rgba(255, 255, 255, 0.70);
    --orca-sidebar-text-muted: rgba(255, 255, 255, 0.35);
    --orca-sidebar-active: #7c3aed;
    --orca-sidebar-active-text: #ffffff;
    --orca-sidebar-width: 240px;
    --orca-sidebar-collapsed: 50px;

    --orca-accent: #7c3aed;
    --orca-accent-hover: #6d28d9;
    --orca-accent-light: #e0d7ff;
    --orca-accent-soft: rgba(124, 58, 237, 0.12);

    --orca-page-bg: #f4f6f9;
    --orca-card-bg: #ffffff;
    --orca-card-border: #e9eaf0;
    --orca-text: #1f2937;
    --orca-text-muted: #6b7280;
    --orca-header-bg: #ffffff;
    --orca-header-border: #e9eaf0;

    --orca-radius-sm: 6px;
    --orca-radius: 12px;
    --orca-radius-lg: 16px;
    --orca-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --orca-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
    --orca-shadow-lg: 0 8px 30px rgba(15, 23, 42, 0.10);

    --orca-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --orca-transition: 0.18s ease;
}