:root{--ink:#111;--red:#e01b2b;--paper:#f7f7f7;--line:#e5e5e5;--muted:#666}*{box-sizing:border-box}html,body{color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif}button{font:inherit;cursor:pointer}input[type=text],input[type=number],input[type=password]{font:inherit;border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:8px;width:100%;padding:10px 12px}input:focus{outline:2px solid var(--red);outline-offset:1px;border-color:var(--red)}.btn-primary{background:var(--red);color:#fff;letter-spacing:.2px;border:0;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-weight:700;transition:filter .15s;display:inline-flex}.btn-primary:hover:not(:disabled){filter:brightness(.92)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{color:var(--ink);border:1px solid var(--line);white-space:nowrap;cursor:pointer;background:#fff;border-radius:10px;justify-content:center;align-items:center;padding:8px 14px;font-size:13px;font-weight:600;text-decoration:none;transition:background .12s,border-color .12s,color .12s;display:inline-flex}.btn-secondary:hover:not(:disabled){background:var(--paper);border-color:var(--ink);color:var(--ink)}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}