style: move kickoff time to card header, better date header spacing

- Kickoff time now in header row: "Gruppe A · 04:00 Uhr · in 61 Tagen"
  instead of centered between flags (avoids visual misalignment)
- Date timeline headers: more top padding for balanced spacing
  between cards

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

frontend/src/components/MatchCard.tsx

@@ -94,7 +94,7 @@ export default function MatchCard({ match, onTip }: Props) {
   return (
     <div className={`card ${styles.card} ${styles[`card_${state}`]} ${isLive ? styles.live : ''} ${glowClass}`}>
 
-      {/* Top row: Status (only Live/Finished) + Group + Countdown */}
+      {/* Top row: Group + Kickoff + Countdown */}
       <div className={styles.topRow}>
         {(isLive || isFinished) && (
           <span className={`${styles.status} ${isLive ? styles.statusLive : ''}`}>
@@ -107,6 +107,10 @@ export default function MatchCard({ match, onTip }: Props) {
             {match.group.replace('GROUP_', 'Gruppe ')}
           </span>
         )}
+        {!isFinished && !isLive && (
+          <span className={styles.kickoffBadge}>{formatKickoff(match.utcDate)}</span>
+        )}
+        <span className={styles.topRowSpacer} />
         {(state === 'open' || state === 'tipped') && match.tippable && (
           match.minutesUntilKickoff < 60 ? (
             <span className={`${styles.countdown} ${remainingMins < 5 ? styles.countdownUrgent : ''}`}>
@@ -118,13 +122,6 @@ export default function MatchCard({ match, onTip }: Props) {
         )}
       </div>
 
-      {/* Kickoff time — above the teams row */}
-      {!isFinished && !isLive && (
-        <div className={styles.kickoffRow}>
-          <span className={styles.kickoffTime}>{formatKickoff(match.utcDate)}</span>
-        </div>
-      )}
-
       {/* Teams + Score */}
       <div className={styles.matchRow}>
         {/* Home */}