가상투자 설정 수정

frontend/src/styles/builderPageShell.css

@@ -38,6 +38,36 @@
 
 .bps-header-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
 
+/* 가상투자 — 타이틀바 3열 (좌측패널폭 | 세션설정 | 뷰옵션) */
+.bps-header--vtd {
+  display: grid;
+  grid-template-columns:
+    calc(var(--bps-left-width, 380px) + var(--bps-left-handle, 16px) + calc(var(--bps-left-open, 1) * var(--bps-splitter-w, 5px)))
+    minmax(0, 1fr)
+    auto;
+  align-items: center;
+  gap: 8px 12px;
+  padding: 8px 18px;
+  min-height: 48px;
+}
+
+.bps-header--vtd .bps-header-left {
+  min-width: 0;
+  overflow: hidden;
+}
+
+.bps-header--vtd .bps-header-center {
+  display: flex;
+  align-items: center;
+  min-width: 0;
+  justify-self: stretch;
+}
+
+.bps-header--vtd .bps-header-actions {
+  justify-self: end;
+  flex-shrink: 0;
+}
+
 .bps-btn {
   border: 1px solid var(--se-border);
   background: var(--se-btn-bg);