diff --git a/App/teacher.html b/App/teacher.html
index 3a1cc46..a0b053c 100644
--- a/App/teacher.html
+++ b/App/teacher.html
@@ -1487,6 +1487,13 @@ var SIM_LABELS = {
 };
 function simWord(id){ return (SIM_LABELS[id] && SIM_LABELS[id].w) || id; }
 function simCode(id){ return (SIM_LABELS[id] && SIM_LABELS[id].c) || String(id||'').slice(0,3).toUpperCase(); }
+// Stabile, unterscheidbare Farbe je Sim (eine Farbe pro Simulation) — Hash→Farbton.
+function simColor(id){
+  if (SIM_LABELS[id] && SIM_LABELS[id].col) return SIM_LABELS[id].col;
+  var s = String(id||''), h = 0;
+  for (var i=0;i<s.length;i++) h = (h*33 + s.charCodeAt(i)) % 360;
+  return 'hsl('+h+',48%,42%)';
+}
 // Rückwärtskompatibel: LIVE_SIM_SHORT[id] = Wort je Sim.
 var LIVE_SIM_SHORT = Object.keys(SIM_LABELS).reduce(function(o,k){ o[k]=SIM_LABELS[k].w; return o; }, {});
 function _liveFmtMin(sec) {
@@ -2049,44 +2056,49 @@ async function renderLiveSummary() {
       var pctL = _msToPct(sess.startMs);
       var pctR = _msToPct(endMs);
       var pctW = Math.max(0.8, pctR - pctL); // mindestens 0.8 % sichtbar
-      var simW = simWord(sess.simId);
-      var simC = simCode(sess.simId);
-      var lbl = simW + (sess.lessonLabel ? ' '+sess.lessonLabel : '');
-      var color = _liveSuccessColor(sess.success);
+      var simW = simWord(sess.simId), simC = simCode(sess.simId);
+      var col = simColor(sess.simId);                       // eine Farbe je Sim
+      var stars = (sess.stars != null) ? Math.max(0, Math.min(5, sess.stars)) : null;
+      var aborted    = sess.success === 'aborted';
+      var completed  = !aborted && stars != null;           // fertig gespielt
+      var inProgress = !aborted && stars == null;           // noch dran / kein Ergebnis
+      // Balkenhöhe = Maß für den Erfolg (mehr Sterne → höher). Abbruch/läuft: flach.
+      var barH = completed ? (9 + Math.round(stars / 5 * 15)) : (aborted ? 9 : 12);
+      // Rahmen kodiert den Zustand: fertig = geschlossen · noch dran = rechts offen ·
+      // Abbruch = gestrichelt (+ ✖ am Ende).
+      var border = completed  ? 'border:1.5px solid rgba(20,20,20,.45);'
+                 : inProgress ? 'border:1.5px solid rgba(20,20,20,.4);border-right:0;'
+                 :              'border:1.5px dashed rgba(20,20,20,.45);';
+      var stateWord = completed ? 'fertig' : aborted ? 'abgebrochen' : 'läuft noch';
       var tip = (sess.simTitle||sess.simId) + (sess.lessonLabel?' · '+sess.lessonLabel:'')
               + ' · ' + _fmtHM(sess.startMs) + '–' + _fmtHM(endMs)
-              + ' · ' + _liveFmtMin(realDurSec)
-              + (sess.stars!=null?' · '+sess.stars+'/5★':'');
-      // enger Balken → 3-Buchstaben-Kürzel, mittel → Wort, breit → Wort + Lektion
-      var inner = (pctW < 2.5) ? '' : (pctW < 6) ? simC : (pctW < 11) ? simW : lbl;
+              + ' · ' + _liveFmtMin(realDurSec) + ' · ' + stateWord
+              + (stars!=null?' · '+stars+'/5★':'');
+      // enger Balken → Kürzel, mittel → Wort, breit → Wort + Lektion
+      var inner = (pctW < 2.5) ? '' : (pctW < 6) ? simC : (pctW < 11) ? simW : (simW + (sess.lessonLabel ? ' '+sess.lessonLabel : ''));
       var sessKey = s.studentId + ':' + sess.simId + ':' + (sess.lessonLabel||'_') + ':' + sess.startMs;
       html += '<div onclick="openLiveSessionDetail(\''+sessKey+'\')" '
            +  'title="'+esc(tip)+'" '
-           +  'style="position:absolute;left:'+pctL+'%;width:'+pctW+'%;top:2px;height:24px;'
-           +  'background:'+color+';color:#fff;border-radius:3px;'
-           +  'padding:0 .35rem;font-size:.62rem;font-weight:700;line-height:24px;'
+           +  'style="position:absolute;left:'+pctL+'%;width:'+pctW+'%;bottom:2px;height:'+barH+'px;'
+           +  'background:'+col+';color:#fff;border-radius:3px;'+border
+           +  'padding:0 .3rem;font-size:.6rem;font-weight:700;line-height:'+Math.max(9,barH-3)+'px;'
            +  'white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;'
-           +  'box-shadow:0 1px 2px rgba(0,0,0,.1)">'
+           +  'text-shadow:0 1px 1px rgba(0,0,0,.35);box-shadow:0 1px 2px rgba(0,0,0,.12)">'
            +  esc(inner) + '</div>';
-      // Nach Abschluss immer die Sterne (gold) am Balkenende zeigen
-      if (sess.stars != null) {
-        var _sc = Math.max(0, Math.min(5, sess.stars));
-        var _starTxt = '★'.repeat(_sc) + '<span style="color:#d9d2be">' + '★'.repeat(5-_sc) + '</span>';
-        var _rightEdge = pctR > 82;
-        html += '<span style="position:absolute;'
-             +  (_rightEdge ? 'right:'+(100-pctR)+'%;padding-right:4px;' : 'left:'+pctR+'%;padding-left:3px;')
-             +  'top:0;height:28px;line-height:28px;font-size:.62rem;color:#e0a838;font-weight:700;'
-             +  'letter-spacing:.5px;white-space:nowrap;pointer-events:none">'+_starTxt+'</span>';
+      if (aborted) {
+        html += '<span style="position:absolute;left:'+pctR+'%;bottom:-1px;height:28px;line-height:28px;'
+             +  'font-size:.74rem;color:#b03a2a;font-weight:800;padding-left:1px;pointer-events:none">✖</span>';
       }
     });
     html += '</div>';
   });
   html += '</div>';
 
-  html += '<div style="margin-top:.8rem;display:flex;gap:.6rem;flex-wrap:wrap;font-size:.65rem;color:#5a5a5a">';
-  [['good','★ ≥ 4 — gut'],['mid','★ 2-3 — mittel'],['bad','★ ≤ 1 — schwach'],['aborted','abgebrochen'],['running','läuft noch']].forEach(function(p){
-    html += '<span><span style="display:inline-block;width:10px;height:10px;border-radius:2px;background:'+_liveSuccessColor(p[0])+';vertical-align:middle;margin-right:.25rem"></span>'+p[1]+'</span>';
-  });
+  html += '<div style="margin-top:.8rem;display:flex;gap:1rem;flex-wrap:wrap;font-size:.66rem;color:#5a5a5a;align-items:center">';
+  html += '<span><b>Farbe</b> = Simulation · <b>Höhe</b> = Erfolg (höher = besser)</span>';
+  html += '<span><span style="display:inline-block;width:16px;height:11px;background:#8a8a8a;border:1.5px solid rgba(20,20,20,.45);vertical-align:middle;margin-right:.25rem"></span>fertig</span>';
+  html += '<span><span style="display:inline-block;width:16px;height:11px;background:#8a8a8a;border:1.5px solid rgba(20,20,20,.4);border-right:0;vertical-align:middle;margin-right:.25rem"></span>läuft noch</span>';
+  html += '<span><span style="display:inline-block;width:16px;height:11px;background:#8a8a8a;border:1.5px dashed rgba(20,20,20,.45);vertical-align:middle;margin-right:.15rem"></span><span style="color:#b03a2a;font-weight:800">✖</span> Abbruch</span>';
   html += '</div>';
 
   html += '</div>';