:root{--color-primary:#0f172a;--color-secondary:#64748b;--color-tertiary:#4f46e5;--color-neutral:#f1f5f9;--color-surface:#fff;--color-on-primary:#fff;--font-family:"Inter", system-ui, -apple-system, sans-serif;--font-size-display:3.75rem;--font-weight-display:700;--letter-spacing-display:-.03em;--font-size-h1:2.25rem;--font-weight-h1:700;--letter-spacing-h1:-.02em;--font-size-body:.95rem;--line-height-body:1.55;--font-size-label:.75rem;--letter-spacing-label:.02em;--font-size-sm:.8125rem;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:32px;--space-xl:48px;--transition-fast:.15s ease;--transition-normal:.2s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-size:16px}body{font-family:var(--font-family);font-size:var(--font-size-body);line-height:var(--line-height-body);color:var(--color-primary);background-color:var(--color-neutral);min-height:100vh}#root{flex-direction:column;min-height:100vh;display:flex}h1{font-family:var(--font-family);font-size:var(--font-size-h1);font-weight:var(--font-weight-h1);letter-spacing:var(--letter-spacing-h1);color:var(--color-primary);line-height:1.2}h2{font-family:var(--font-family);color:var(--color-primary);font-size:1.5rem;font-weight:600;line-height:1.3}h3{font-family:var(--font-family);color:var(--color-primary);font-size:1.125rem;font-weight:600;line-height:1.4}p{color:var(--color-secondary)}a{color:var(--color-tertiary);text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--color-tertiary);outline-offset:2px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--color-neutral)}::-webkit-scrollbar-thumb{background:var(--color-secondary);border-radius:3px}@keyframes spin{to{transform:rotate(360deg)}}