:root{--icon-fontSize-sm:1rem;--icon-fontSize-md:1.25rem;--icon-fontSize-lg:1.5rem;--bg-primary:#0d1117;--bg-surface:#161b22;--border-subtle:#30363d;--text-primary:#f8fafc;--text-muted:#94a3b8;--accent-primary:#3b82f6;--accent-hover:#2563eb;--accent-subtle:#1e40af;--success:#22c55e;--warning:#facc15;--danger:#ef4444;--info:#0ea5e9;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--radius-card:12px;--radius-button:12px;--shadow-card:0 2px 6px rgba(0,0,0,0.4);--shadow-card-hover:0 4px 12px rgba(0,0,0,0.5);--shadow-modal:0 8px 32px rgba(0,0,0,0.6)}:focus-visible{outline:2px solid var(--mui-palette-primary-main)}body,html{height:100%}