ps: auto-derive years of service from join year + retirement age

site/style.css

@@ -104,6 +104,7 @@ button,input{touch-action:manipulation}
 #step-body{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;min-height:320px}
 #step-body h2{margin-top:.1em}
 .hint{font-size:13.5px;color:var(--ink2)}
+.link{background:none;border:0;padding:0;font:inherit;font-weight:700;color:var(--blue);cursor:pointer;text-decoration:underline;text-underline-offset:2px} /* text-button (e.g. "Use calculated" reset on the auto-derived service step) */
 .fld{margin:14px 0}
 .fld label{display:block;font-weight:600;font-size:15px;margin-bottom:5px}
 .fld .unit{font-size:13px;color:var(--ink2)}