:root{
/* Brand — from Lightbridge Quantum Logo v1.0 Color Specifications */
--brand-midnight:#2C3E50;
--brand-slate:#34495E;
--brand-gold:#D4AF37;
--brand-gold-light:#F4D03F;
--brand-gold-dark:#C49F2F;

/* Neutral scale — blue-grey hue tied to brand-midnight, for a cohesive cool-neutral system */
--neutral-950:#141C24;
--neutral-900:#1A242F;
--neutral-800:#2C3E50;
--neutral-700:#34495E;
--neutral-600:#4B637A;
--neutral-500:#7F8C9B;
--neutral-400:#A9B4BE;
--neutral-300:#CBD3D9;
--neutral-200:#E3E7EA;
--neutral-100:#F1F3F5;
--neutral-50:#F8F9FA;
--white:#FFFFFF;

/* Semantic status — same Flat-UI-derived hue family as the brand marks (Midnight Blue/Wet Asphalt), desaturated slightly for a technical, understated feel */
--status-success:#27966F;
--status-success-bg:#E6F4EF;
--status-warning:#C49F2F;
--status-warning-bg:#FBF3DE;
--status-error:#C0392B;
--status-error-bg:#FBEAE8;
--status-info:#2E7EB8;
--status-info-bg:#E8F1F8;

/* Semantic aliases */
--text-primary:var(--brand-midnight);
--text-secondary:var(--brand-slate);
--text-tertiary:var(--neutral-500);
--text-on-dark:var(--neutral-50);
--text-link:var(--status-info);
--text-link-hover:#245F8C;

--surface-page:var(--white);
--surface-sunken:var(--neutral-50);
--surface-card:var(--white);
--surface-dark:var(--neutral-900);
--surface-overlay:rgba(20,28,36,0.55);

--border-subtle:var(--neutral-200);
--border-default:var(--neutral-300);
--border-strong:var(--neutral-500);

--accent-primary:var(--brand-gold);
--accent-primary-hover:var(--brand-gold-dark);
--accent-on-accent:var(--brand-midnight);

--focus-ring:var(--brand-gold);
}