feat: smart sections in Spielplan (Heute/Morgen/Woche/Vergangen)

Matches grouped by time relevance with collapsible accordion.
Heute and Morgen open by default. Stage filter simplified to dropdown.

frontend/src/pages/MatchesPage.module.css

@@ -28,83 +28,66 @@
   letter-spacing: 0.05em;
 }
 
-.filters {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 8px;
+.stageFilter {
+  background: var(--surface-mid);
+  color: var(--text-primary);
+  border: 1px solid rgba(75, 183, 248, 0.15);
+  border-radius: var(--radius-sm);
+  padding: 8px 12px;
+  font-size: 0.85rem;
+  width: 100%;
+  max-width: 200px;
+  margin-bottom: 12px;
 }
 
-.filter, .filterActive {
-  padding: 7px 16px;
-  border-radius: 20px;
-  font-size: 13px;
-  font-weight: 500;
-  cursor: pointer;
-  border: 1px solid var(--border-subtle);
-  background: transparent;
-  color: var(--text-secondary);
-  transition: all 0.15s;
-}
-.filter:hover { border-color: var(--primary); color: var(--primary); }
-.filterActive {
-  background: var(--primary-dim);
-  border-color: rgba(75,183,248,0.3);
-  color: var(--primary);
+.section {
+  margin-bottom: 8px;
+  border-radius: var(--radius-md);
+  overflow: hidden;
 }
 
-/* Gruppen-Filter (zweite Ebene) */
-.groupFilters {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 6px;
-  padding: 4px 0;
-  border-top: 1px solid var(--border-subtle);
-  margin-top: -8px;
+.sectionHighlight {
+  border-left: 3px solid var(--gold);
 }
 
-.groupFilter, .groupFilterActive {
-  padding: 5px 13px;
-  border-radius: 16px;
-  font-size: 12px;
-  font-weight: 600;
-  cursor: pointer;
-  border: 1px solid var(--border-subtle);
-  background: transparent;
-  color: var(--text-muted);
-  transition: all 0.15s;
-}
-.groupFilter:hover { border-color: rgba(75,183,248,0.3); color: var(--text-secondary); }
-.groupFilterActive {
-  background: rgba(75,183,248,0.12);
-  border-color: rgba(75,183,248,0.25);
-  color: var(--primary);
-}
-
-.dayGroup { display: flex; flex-direction: column; gap: 12px; }
-
-.dayHeader {
-  font-family: 'Plus Jakarta Sans', sans-serif;
-  font-size: 14px;
-  font-weight: 600;
-  color: var(--text-secondary);
-  text-transform: uppercase;
-  letter-spacing: 0.08em;
-  padding: 0 4px;
+.sectionHeader {
   display: flex;
   align-items: center;
+  width: 100%;
+  padding: 12px 16px;
+  background: var(--surface-mid);
+  border: none;
+  color: var(--text-primary);
+  cursor: pointer;
+  font-size: 0.95rem;
   gap: 8px;
 }
-
-.todayDot {
-  width: 8px;
-  height: 8px;
-  border-radius: 50%;
-  background: var(--primary);
-  box-shadow: 0 0 6px rgba(75,183,248,0.6);
-  flex-shrink: 0;
+.sectionHeader:hover {
+  background: var(--surface-high);
 }
 
-.matchList { display: flex; flex-direction: column; gap: 10px; }
+.sectionLabel {
+  font-weight: 600;
+  flex: 1;
+  text-align: left;
+}
+
+.sectionCount {
+  font-size: 0.8rem;
+  color: var(--text-muted);
+}
+
+.sectionChevron {
+  font-size: 0.85rem;
+  color: var(--text-muted);
+}
+
+.sectionContent {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  padding: 8px 0;
+}
 
 /* States */
 .loadingState, .errorState, .emptyState {

frontend/src/pages/MatchesPage.tsx

@@ -1,33 +1,64 @@
-import { useState, useEffect, useCallback, useRef } from 'react';
+import { useState, useEffect, useCallback } from 'react';
 import { api, Match } from '../api/client';
 import MatchCard from '../components/MatchCard';
 import TipModal from '../components/TipModal';
 import styles from './MatchesPage.module.css';
 
-const STAGES: { key: string; label: string }[] = [
-  { key: '', label: 'Alle' },
-  { key: 'GROUP_STAGE', label: 'Gruppenphase' },
-  { key: 'LAST_32', label: 'Runde der 32' },
-  { key: 'LAST_16', label: 'Achtelfinale' },
-  { key: 'QUARTER_FINALS', label: 'Viertelfinale' },
-  { key: 'SEMI_FINALS', label: 'Halbfinale' },
-  { key: 'THIRD_PLACE', label: 'Platz 3' },
-  { key: 'FINAL', label: 'Finale' },
-];
+type Section = {
+  key: string;
+  label: string;
+  matches: Match[];
+  defaultOpen: boolean;
+  highlight: boolean;
+};
 
-const GROUPS = ['A','B','C','D','E','F','G','H','I','J','K','L'];
+function groupIntoSections(matches: Match[]): Section[] {
+  const now = new Date();
+  const todayStart = new Date(now.getFullYear(), now.getMonth(), now.getDate());
+  const tomorrowStart = new Date(todayStart);
+  tomorrowStart.setDate(todayStart.getDate() + 1);
+  const dayAfterTomorrow = new Date(todayStart);
+  dayAfterTomorrow.setDate(todayStart.getDate() + 2);
+  const weekEnd = new Date(todayStart);
+  weekEnd.setDate(todayStart.getDate() + 7);
+
+  const sections: Section[] = [
+    { key: 'today', label: 'Heute', matches: [], defaultOpen: true, highlight: true },
+    { key: 'tomorrow', label: 'Morgen', matches: [], defaultOpen: true, highlight: false },
+    { key: 'week', label: 'Diese Woche', matches: [], defaultOpen: false, highlight: false },
+    { key: 'later', label: 'Demnächst', matches: [], defaultOpen: false, highlight: false },
+    { key: 'past', label: 'Vergangene Spiele', matches: [], defaultOpen: false, highlight: false },
+  ];
+
+  for (const match of matches) {
+    const d = new Date(match.utcDate);
+    if (d < todayStart) {
+      sections[4].matches.push(match); // past
+    } else if (d < tomorrowStart) {
+      sections[0].matches.push(match); // today
+    } else if (d < dayAfterTomorrow) {
+      sections[1].matches.push(match); // tomorrow
+    } else if (d < weekEnd) {
+      sections[2].matches.push(match); // this week
+    } else {
+      sections[3].matches.push(match); // later
+    }
+  }
+
+  // Past matches: most recent first
+  sections[4].matches.reverse();
+
+  return sections.filter(s => s.matches.length > 0);
+}
 
 export default function MatchesPage() {
   const [allMatches, setAllMatches] = useState<Match[]>([]);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState<string | null>(null);
-  const [stage, setStage] = useState('');
-  const [group, setGroup] = useState('');
+  const [stageFilter, setStageFilter] = useState('');
   const [selectedMatch, setSelectedMatch] = useState<Match | null>(null);
-  const todayRef = useRef<HTMLDivElement | null>(null);
-  const hasScrolled = useRef(false);
+  const [openSections, setOpenSections] = useState<Set<string>>(new Set());
 
-  // Alle Spiele einmalig laden — Filterung passiert im Frontend
   const loadMatches = useCallback(async () => {
     setLoading(true);
     setError(null);
@@ -43,15 +74,14 @@ export default function MatchesPage() {
 
   useEffect(() => { loadMatches(); }, [loadMatches]);
 
-  // Auto-Scroll zum heutigen Datum nach dem ersten Laden
+  // Initialize open sections after initial load
   useEffect(() => {
-    if (!loading && !hasScrolled.current && todayRef.current && !stage) {
-      hasScrolled.current = true;
-      setTimeout(() => {
-        todayRef.current?.scrollIntoView({ behavior: 'smooth', block: 'start' });
-      }, 100);
+    if (allMatches.length > 0) {
+      const filteredMatches = allMatches.filter(m => !stageFilter || m.stage === stageFilter);
+      const sections = groupIntoSections(filteredMatches);
+      setOpenSections(new Set(sections.filter(s => s.defaultOpen).map(s => s.key)));
     }
-  }, [loading, stage]);
+  }, [allMatches]); // only on initial load
 
   const handleTipSaved = (matchId: number, tipHome: number, tipAway: number) => {
     setAllMatches(prev => prev.map(m =>
@@ -62,46 +92,28 @@ export default function MatchesPage() {
     setSelectedMatch(null);
   };
 
-  // Gefilterte Matches für aktuelle Ansicht
-  const matches = allMatches
-    .filter(m => !stage || m.stage === stage)
-    .filter(m => !group || m.group === `GROUP_${group}`);
+  function toggleSection(key: string) {
+    setOpenSections(prev => {
+      const next = new Set(prev);
+      if (next.has(key)) next.delete(key);
+      else next.add(key);
+      return next;
+    });
+  }
 
-  // Stats immer über alle Spiele (nicht gefiltert)
+  const filteredMatches = allMatches.filter(m => !stageFilter || m.stage === stageFilter);
+  const sections = groupIntoSections(filteredMatches);
+
+  // Stats always over all matches (unfiltered)
   const tipped   = allMatches.filter(m => m.userTip).length;
   const tippable = allMatches.filter(m => m.tippable && !m.userTip).length;
 
-  // Verfügbare Gruppen für den aktiven Stage-Filter
-  const availableGroups = stage === 'GROUP_STAGE'
-    ? [...new Set(allMatches
-        .filter(m => m.stage === 'GROUP_STAGE' && m.group)
-        .map(m => m.group!.replace('GROUP_', ''))
-      )].sort()
-    : [];
-
-  // Spiele nach Datum gruppieren (Gruppenphase) oder nach Gruppe (wenn Gruppe gewählt)
-  const grouped = matches.reduce<Record<string, Match[]>>((acc, m) => {
-    let key: string;
-    if (stage === 'GROUP_STAGE' && !group) {
-      // Gruppenphase ohne Gruppen-Filter: nach Gruppe gruppieren
-      key = `Gruppe ${m.group?.replace('GROUP_', '') ?? '?'}`;
-    } else {
-      // Sonst nach Datum
-      key = new Date(m.utcDate).toLocaleDateString('de-DE', {
-        weekday: 'long', day: 'numeric', month: 'long'
-      });
-    }
-    if (!acc[key]) acc[key] = [];
-    acc[key].push(m);
-    return acc;
-  }, {});
-
   return (
     <div className={styles.page}>
       {/* Header Stats */}
       <div className={styles.statsRow}>
         <div className={`card ${styles.statCard}`}>
-          <span className={styles.statValue}>{matches.length}</span>
+          <span className={styles.statValue}>{allMatches.length}</span>
           <span className={styles.statLabel}>Spiele gesamt</span>
         </div>
         <div className={`card ${styles.statCard}`}>
@@ -114,39 +126,21 @@ export default function MatchesPage() {
         </div>
       </div>
 
-      {/* Stage Filter */}
-      <div className={styles.filters}>
-        {STAGES.map(s => (
-          <button
-            key={s.key}
-            className={stage === s.key ? styles.filterActive : styles.filter}
-            onClick={() => { setStage(s.key); setGroup(''); }}
-          >
-            {s.label}
-          </button>
-        ))}
-      </div>
-
-      {/* Gruppen-Filter (nur bei Gruppenphase) */}
-      {availableGroups.length > 0 && (
-        <div className={styles.groupFilters}>
-          <button
-            className={group === '' ? styles.groupFilterActive : styles.groupFilter}
-            onClick={() => setGroup('')}
-          >
-            Alle Gruppen
-          </button>
-          {availableGroups.map(g => (
-            <button
-              key={g}
-              className={group === g ? styles.groupFilterActive : styles.groupFilter}
-              onClick={() => setGroup(g)}
-            >
-              Gruppe {g}
-            </button>
-          ))}
-        </div>
-      )}
+      {/* Stage Filter Dropdown */}
+      <select
+        className={styles.stageFilter}
+        value={stageFilter}
+        onChange={e => setStageFilter(e.target.value)}
+      >
+        <option value="">Alle Phasen</option>
+        <option value="GROUP_STAGE">Gruppenphase</option>
+        <option value="ROUND_OF_32">Runde der 32</option>
+        <option value="LAST_16">Achtelfinale</option>
+        <option value="QUARTER_FINALS">Viertelfinale</option>
+        <option value="SEMI_FINALS">Halbfinale</option>
+        <option value="THIRD_PLACE">Platz 3</option>
+        <option value="FINAL">Finale</option>
+      </select>
 
       {/* Content */}
       {loading && (
@@ -163,7 +157,7 @@ export default function MatchesPage() {
         </div>
       )}
 
-      {!loading && !error && matches.length === 0 && (
+      {!loading && !error && filteredMatches.length === 0 && (
         <div className={styles.emptyState}>
           <span className={styles.emptyIcon}>⚽</span>
           <p>Noch keine Spiele vorhanden.</p>
@@ -173,56 +167,22 @@ export default function MatchesPage() {
         </div>
       )}
 
-      {!loading && !error && (() => {
-        const entries = Object.entries(grouped);
-        if (stage === 'GROUP_STAGE' && !group) {
-          entries.sort(([a], [b]) => a.localeCompare(b));
-        }
-
-        const todayLabel = new Date().toLocaleDateString('de-DE', {
-          weekday: 'long', day: 'numeric', month: 'long'
-        });
-
-        // "Nächster bevorstehender Tag" als Fallback wenn kein heutiger Spieltag
-        let scrollTarget: string | null = null;
-        if (!stage) {
-          if (entries.find(([l]) => l === todayLabel)) {
-            scrollTarget = todayLabel;
-          } else {
-            const now = Date.now();
-            const future = entries.find(([, ms]) => new Date(ms[0].utcDate).getTime() > now);
-            scrollTarget = future?.[0] ?? null;
-          }
-        }
-
-        return entries.map(([label, labelMatches]) => {
-          const isScrollTarget = label === scrollTarget;
-          return (
-            <div
-              key={label}
-              className={styles.dayGroup}
-              ref={isScrollTarget ? todayRef : null}
-            >
-              <h2 className={styles.dayHeader}>
-                {label === todayLabel ? (
-                  <><span className={styles.todayDot} />Heute — {label}</>
-                ) : label}
-              </h2>
-              <div className={styles.matchList}>
-                {labelMatches
-                  .sort((a, b) => new Date(a.utcDate).getTime() - new Date(b.utcDate).getTime())
-                  .map(match => (
-                    <MatchCard
-                      key={match.id}
-                      match={match}
-                      onTip={() => setSelectedMatch(match)}
-                    />
-                ))}
-              </div>
+      {!loading && !error && sections.map(section => (
+        <div key={section.key} className={`${styles.section} ${section.highlight ? styles.sectionHighlight : ''}`}>
+          <button className={styles.sectionHeader} onClick={() => toggleSection(section.key)}>
+            <span className={styles.sectionLabel}>{section.label}</span>
+            <span className={styles.sectionCount}>{section.matches.length} Spiele</span>
+            <span className={styles.sectionChevron}>{openSections.has(section.key) ? '▾' : '▸'}</span>
+          </button>
+          {openSections.has(section.key) && (
+            <div className={styles.sectionContent}>
+              {section.matches.map(match => (
+                <MatchCard key={match.id} match={match} onTip={() => setSelectedMatch(match)} />
+              ))}
             </div>
-          );
-        });
-      })()}
+          )}
+        </div>
+      ))}
 
       {selectedMatch && (
         <TipModal