투자관리 차트탭 기능 수정

frontend/src/styles/paperDashboard.css

@@ -72,6 +72,54 @@
   max-height: none;
 }
 
+.ptd-analysis-chart--backtest {
+  position: relative;
+  flex: 1;
+  min-height: 0;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.ptd-analysis-chart--backtest .btd-analysis-chart {
+  flex: 1;
+  min-height: 0;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+}
+
+.ptd-analysis-chart--backtest .btd-analysis-main {
+  flex: 1;
+  min-height: 0;
+}
+
+.ptd-analysis-chart--empty {
+  flex: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 24px;
+  text-align: center;
+}
+
+.ptd-analysis-chart-status {
+  position: absolute;
+  top: 8px;
+  right: 12px;
+  z-index: 4;
+  font-size: 11px;
+  padding: 4px 10px;
+  border-radius: 6px;
+  background: color-mix(in srgb, var(--bg3) 92%, transparent);
+  border: 1px solid var(--border);
+  color: var(--text2);
+}
+
+.ptd-analysis-chart-status--err {
+  color: var(--down, #ef4444);
+}
+
 .ptd-ind-stack {
   flex: 1;
   min-height: 0;