:root{--bg:#fafafa;--fg:#1f2937;--accent:#7c3aed;--accent-hover:#6d28d9;--card:#fff;--border:#e5e7eb;--muted:#6b7280;--success:#10b981;--error:#f43f5e;--surface:#f3f4f6}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);color:var(--fg);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}button{cursor:pointer;font-family:inherit}code,pre{font-family:SF Mono,Fira Code,Consolas,monospace}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.skeleton{background:linear-gradient(90deg, var(--surface) 0%, #e5e7eb 50%, var(--surface) 100%);background-size:2000px 100%;border-radius:4px;animation:2s linear infinite shimmer}