:root{--blue:#1e6fd9;--blue-dark:#1557b0;--bg:#f5f8fc;--text:#0f172a;--muted:#475569;--border:#e2e8f0;--danger:#dc2626}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.input{width:100%;border:1px solid var(--border);border-radius:10px;padding:12px 14px;background:#fff}.input:focus{outline:2px solid color-mix(in srgb,var(--blue) 35%,transparent);border-color:var(--blue)}.label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field{margin-bottom:14px}.btn{border:0;border-radius:10px;padding:12px 16px;cursor:pointer;font-weight:600}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-dark)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--muted)}.error{color:var(--danger);font-size:14px;margin:0 0 12px}.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px}