:root{--background:#0a0a0a;--foreground:#fff;--muted:#888;--accent:#5b9bd5;--accent-dark:#2d5a8b;--success:#4ade80;--error:#f87171;--card:#111;--border:#222}*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden;background:var(--background);color:var(--foreground);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;font-family:inherit}button:disabled{cursor:not-allowed;opacity:.6}.container{max-width:400px;margin:0 auto;padding:0 1rem}.fade-in{animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.pulse{animation:pulse 2s ease-in-out infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.spin{animation:spin 1s linear infinite}