fix(monitors): the check strip fills its column; TLS shows only when a monitor has a certificate (#5214)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

steward/static/steward.css

@@ -330,6 +330,7 @@ a.stat-tile:hover { border-color: var(--border-mid); background: var(--bg-elevat
 .ping-meta.mon-col-name { width:14rem; min-width:0; max-width:none; flex-shrink:0; }
 .mon-latest { width:7.5rem; flex-shrink:0; text-align:right; font-size:0.8rem; font-variant-numeric:tabular-nums; white-space:nowrap; }
 .mon-spark { color:var(--text-dim); margin-right:0.35rem; }
+.mon-pills .pill { flex:1 1 0; min-width:4px; max-width:14px; }   /* the strip fills its column */
 .mon-up { width:4.2rem; flex-shrink:0; text-align:right; font-size:0.8rem; font-variant-numeric:tabular-nums; }
 .mon-tls { width:3.5rem; flex-shrink:0; text-align:right; font-size:0.78rem; font-variant-numeric:tabular-nums; }
 .mon-act { width:6.6rem; justify-content:flex-end; }