:root{--color-primary:#4f46e5;--color-primary-light:#818cf8;--color-primary-dark:#3730a3;--color-bg:#fff;--color-bg-secondary:#f8fafc;--color-text:#0f172a;--color-text-muted:#64748b;--color-border:#e2e8f0;--color-xp:#f59e0b;--color-streak:#f97316;--color-success:#22c55e;--color-error:#ef4444;--color-resolved:#10b981;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-6:1.5rem;--space-8:2rem;--space-12:3rem;--space-16:4rem;--font-sans:"Inter", system-ui, sans-serif;--font-handwritten:"Caveat", cursive;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--transition-fast:.15s ease;--transition-base:.25s ease;--tap-target-min:44px}
*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;font-size:16px}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;line-height:1.5}button{cursor:pointer;min-height:var(--tap-target-min);min-width:var(--tap-target-min);font-family:inherit}a{color:inherit;text-decoration:none}img,svg{max-width:100%;display:block}