모의투자 관리 기능 추가

frontend/src/styles/verificationBoard.css

@@ -713,6 +713,84 @@
   gap: 8px;
 }
 
+.vbd-attachments-actions {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  flex-shrink: 0;
+}
+
+/* ── 화면 영역 캡처 오버레이 ── */
+.screen-capture-overlay {
+  position: fixed;
+  inset: 0;
+  z-index: 200000;
+  cursor: crosshair;
+  user-select: none;
+}
+
+.screen-capture-video {
+  position: fixed;
+  inset: 0;
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+  background: #000;
+  pointer-events: none;
+}
+
+.screen-capture-interaction {
+  position: fixed;
+  inset: 0;
+  z-index: 1;
+  touch-action: none;
+}
+
+.screen-capture-selection {
+  position: fixed;
+  box-sizing: border-box;
+  border: 2px solid #fff;
+  background: transparent;
+  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.45);
+  pointer-events: none;
+}
+
+.screen-capture-toolbar {
+  position: fixed;
+  top: 12px;
+  left: 50%;
+  transform: translateX(-50%);
+  z-index: 2;
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding: 8px 14px;
+  border-radius: 8px;
+  background: rgba(20, 22, 28, 0.92);
+  color: #fff;
+  font-size: 13px;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
+  pointer-events: auto;
+}
+
+.screen-capture-hint {
+  white-space: nowrap;
+}
+
+.screen-capture-cancel {
+  padding: 4px 12px;
+  border: 1px solid rgba(255, 255, 255, 0.35);
+  border-radius: 6px;
+  background: transparent;
+  color: #fff;
+  font-size: 12px;
+  cursor: pointer;
+}
+
+.screen-capture-cancel:hover {
+  background: rgba(255, 255, 255, 0.12);
+}
+
 .vbd-attachments-title {
   margin: 0;
   font-size: 14px;