style: real LED segment display font for kickoff time

- Added DSEG7 font (stadium scoreboard segment display)
- Kickoff time centered in card, no box, just glowing LED digits
- Gold color with double text-shadow glow for authentic look

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/src/components/MatchCard.module.css

@@ -77,18 +77,20 @@
   border: 1px solid rgba(75,183,248,0.15);
 }
 
-/* Kickoff — stadium scoreboard display */
-.kickoffDisplay {
-  font-family: 'Courier New', 'Lucida Console', monospace;
-  font-size: 16px;
-  font-weight: 700;
+/* Kickoff — stadium LED segment display */
+.kickoffRow {
+  text-align: center;
+  margin-bottom: 4px;
+}
+
+.kickoffLED {
+  font-family: 'DSEG7', 'Courier New', monospace;
+  font-size: 26px;
   color: var(--gold);
-  letter-spacing: 0.12em;
-  background: rgba(0, 0, 0, 0.4);
-  padding: 3px 10px;
-  border-radius: 4px;
-  border: 1px solid rgba(254, 174, 50, 0.15);
-  text-shadow: 0 0 8px rgba(254, 174, 50, 0.5);
+  letter-spacing: 0.08em;
+  text-shadow:
+    0 0 8px rgba(254, 174, 50, 0.6),
+    0 0 20px rgba(254, 174, 50, 0.25);
 }
 
 .topRowSpacer {