백테스팅 종목 선택란을 MarketSearchPanel 한글 검색 드롭다운으로 교체

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/styles/backtestDashboard.css

@@ -848,6 +848,51 @@
   min-width: 0;
 }
 
+/* 종목 검색 버튼 (MarketSearchPanel 드롭다운 트리거) */
+.btd-run-market-btn {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  background: var(--se-bg-elevated, var(--bg2));
+  border: 1px solid var(--se-border);
+  color: var(--se-text);
+  border-radius: 7px;
+  padding: 0 8px;
+  font-size: 0.76rem;
+  cursor: pointer;
+  height: 30px;
+  outline: none;
+  transition: border-color 0.15s, background 0.15s;
+  white-space: nowrap;
+  min-width: 90px;
+  max-width: 140px;
+}
+.btd-run-market-btn:hover:not(:disabled) {
+  border-color: var(--se-accent, #3d9be9);
+  background: color-mix(in srgb, var(--se-accent, #3d9be9) 8%, var(--se-bg-elevated, var(--bg2)));
+}
+.btd-run-market-btn:disabled {
+  opacity: 0.45;
+  cursor: not-allowed;
+}
+.btd-run-market-ko {
+  font-weight: 600;
+  font-size: 0.76rem;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  min-width: 0;
+}
+.btd-run-market-sym {
+  font-size: 0.68rem;
+  color: var(--se-text-muted, #888);
+  flex-shrink: 0;
+}
+.btd-run-market-caret {
+  flex-shrink: 0;
+  opacity: 0.55;
+  margin-left: 2px;
+}
+
 .btd-run-select {
   background: var(--se-bg-elevated, var(--bg2));
   border: 1px solid var(--se-border);