Add race format presets, tie-break notes and invalid lap markers

src/styles.css

@@ -644,6 +644,14 @@ select:focus {
   font-size: 0.8rem;
 }
 
+.table-subnote-warn {
+  color: #ffb7a9;
+}
+
+.data-table tr.leaderboard-invalid td {
+  background: rgba(225, 106, 0, 0.06);
+}
+
 .grid-editor-toolbar {
   display: flex;
   justify-content: space-between;
@@ -1178,6 +1186,11 @@ select:focus {
   background: linear-gradient(135deg, rgba(225, 6, 0, 0.12), rgba(255, 255, 255, 0.03));
 }
 
+.overlay-race-row-invalid {
+  border-color: rgba(245, 166, 35, 0.4);
+  box-shadow: inset 0 0 0 1px rgba(245, 166, 35, 0.08);
+}
+
 .overlay-race-driver strong,
 .overlay-race-metric strong,
 .overlay-race-best strong {
@@ -1198,6 +1211,15 @@ select:focus {
   letter-spacing: 0.06em;
 }
 
+.overlay-invalid-note {
+  display: block;
+  margin-top: 2px;
+  color: #ffbe98;
+  font-size: 0.5rem;
+  text-transform: uppercase;
+  letter-spacing: 0.06em;
+}
+
 .overlay-prediction {
   margin-top: 2px;
 }