feat: 로또 자율학습 탭 — 성적표·캘리브레이션·당첨조합 분석

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/pages/lotto/Evolver.css

@@ -186,6 +186,47 @@
     font-size: 0.75rem;
 }
 
+/* Backtest — TrackRecordCard */
+.backtest-table {
+    width: 100%;
+    border-collapse: collapse;
+    font-size: 0.85rem;
+    margin-bottom: 10px;
+}
+.backtest-table th {
+    text-align: left;
+    color: #94a3b8;
+    font-weight: 500;
+    padding: 6px 8px;
+    border-bottom: 1px solid rgba(255,255,255,0.08);
+}
+.backtest-table td {
+    padding: 6px 8px;
+    color: #cbd5e1;
+    border-bottom: 1px solid rgba(255,255,255,0.04);
+}
+.backtest-table tr:last-child td { border-bottom: none; }
+
+/* Backtest — shared note */
+.backtest-note {
+    margin: 8px 0 0;
+    color: #64748b;
+    font-size: 0.8rem;
+    line-height: 1.4;
+}
+.backtest-note strong { color: #cbd5e1; }
+
+/* Backtest — section divider */
+.backtest-section-header {
+    margin: 8px 0 4px;
+    color: #94a3b8;
+    font-size: 0.85rem;
+    font-weight: 600;
+    letter-spacing: 0.03em;
+    border-top: 1px solid rgba(255,255,255,0.06);
+    padding-top: 14px;
+}
+
 @media (max-width: 640px) {
     .trials-grid .grid { grid-template-columns: repeat(3, 1fr); height: auto; }
     .base-diff .diff-grid { grid-template-columns: repeat(3, 1fr); }