/* REQ-USR-003: 应用外壳 scoped 样式。语义色用 var(--color-*)；
 * 顶栏 #1f1f23 / overlay #2b3137 等品牌深色底为外壳局部装饰，scoped 保留（D9）。 */

/* ===== app shell ===== */
.app {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.stage {
  flex: 1;
  position: relative;
  overflow: auto;
  background: var(--color-bg-base);
}

/* ===== TOP BAR（深色装饰 scoped） ===== */
.topbar {
  display: flex;
  align-items: stretch;
  height: 44px;
  background: #1f1f23; /* 外壳局部装饰底色（D9：非语义 token，scoped 保留） */
  color: #ffffff;
  position: relative;
  z-index: 30;
  flex-shrink: 0;
}
.logo {
  width: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: #0e1216;
  cursor: pointer;
}
.logo svg {
  width: 30px;
  height: 30px;
}
.navBtn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 18px;
  color: #fff;
  cursor: pointer;
  font-size: 14px;
  border: none;
  background: transparent;
  height: 100%;
}
.navBtn:hover {
  background: #33363d;
}
.navBtnActive {
  background: var(--color-primary);
}
.tabs {
  display: flex;
  align-items: stretch;
  flex: 1;
  min-width: 0;
}
.tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 18px;
  cursor: pointer;
  color: #cfd2d8;
  font-size: 14px;
  height: 100%;
  border: none;
  background: transparent;
}
.tabActive {
  color: var(--color-primary);
}
.tabClose {
  margin-left: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: #9aa0a8;
  border: none;
  background: transparent;
  cursor: pointer;
}
.tabClose:hover {
  background: #3a3d44;
  color: #fff;
}
.right {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-right: 14px;
}
.rightIcon {
  width: 18px;
  height: 18px;
  opacity: 0.9;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}
.user {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  cursor: pointer;
  color: #fff;
  border: none;
  background: transparent;
}
.more {
  font-size: 18px;
  letter-spacing: 2px;
  cursor: pointer;
  padding: 0 4px;
}

/* ===== NAV OVERLAY（深色装饰 scoped，D9） ===== */
.navOverlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  color: #cfd3da;
}
.navOverlayMask {
  position: absolute;
  inset: 0;
  background: transparent;
}
.navOverlayBody {
  position: relative;
  display: flex;
  flex: 1;
  background: #2b3137; /* overlay 深色底（scoped 装饰） */
}
.navSide {
  width: 200px;
  background: #2b3137;
  padding: 8px 0;
  border-right: 1px solid #1e2226;
  overflow: auto;
}
.navSideItem {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  font-size: 14px;
  color: #d3d6db;
  cursor: pointer;
}
.navSideItem:hover {
  background: #34393f;
}
.navSideItemActive {
  color: var(--color-primary);
  background: #34393f;
}
.navGrid {
  flex: 1;
  padding: 30px 40px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 30px 40px;
  align-content: start;
  overflow: auto;
}
.navColTitle {
  font-size: 15px;
  color: #e8eaee;
  font-weight: 500;
  margin: 0 0 18px;
  border-bottom: 1px solid #4a4f57;
  padding-bottom: 10px;
}
.navLeaf {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 0;
  color: #cfd3da;
  font-size: 14px;
  cursor: pointer;
  border: none;
  background: transparent;
  text-align: left;
  width: 100%;
}
.navLeaf:hover {
  color: #fff;
}
.navStar {
  color: var(--color-warning);
}