:root{--color-accent:#d97706;--color-accent-strong:#b45309;--color-accent-tint:#fef3c7;--color-accent-tint-strong:#fde68a;--color-correct:#16a34a;--color-correct-tint:#dcfce7;--color-wrong:#dc2626;--color-wrong-tint:#fee2e2;--color-muted:#6b7280;--color-muted-tint:#f3f4f6;--color-text:#111827;--color-text-secondary:#4b5563;--color-border:#e5e7eb;--color-surface:#fff;--color-background:#f9fafb;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;--radius-chip:8px;--radius-card:12px;--radius-pill:999px;--radius-avatar:50%;--tap-target-min:44px;--font-family:"Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;--font-weight-regular:400;--font-weight-bold:700;--fs-page-title:20px;--fs-section-label:13px;--fs-card-title:15px;--fs-meta:13px;--fs-button:15px;--fs-body:15px}*,:before,:after{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-family);font-weight:var(--font-weight-regular);font-size:var(--fs-body);color:var(--color-text);background:var(--color-background);-webkit-font-smoothing:antialiased}#app{min-height:100vh}button,input{font-family:inherit}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}