/* 方向 A · 云白蓝：白顶栏 + 左栏 + 浅灰工作区 */

.lx-shell {
  display: flex;
  height: 100%;
  min-height: 0;
  flex-direction: column;
  background: var(--lx-color-bg-app);
}

/* ---------- 顶栏 ---------- */

.lx-topbar {
  z-index: 20;
  display: flex;
  flex: 0 0 var(--lx-topbar-height);
  align-items: center;
  gap: var(--lx-space-6);
  height: var(--lx-topbar-height);
  padding: 0 var(--lx-space-6) 0 var(--lx-space-5);
  border-bottom: 1px solid var(--lx-color-border);
  background: var(--lx-color-bg-panel);
}

.lx-topbar__brand {
  display: flex;
  min-width: 184px;
  align-items: center;
  gap: 10px;
}

.lx-topbar__mark {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: linear-gradient(135deg, #1677ff, #4096ff);
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.lx-topbar__name {
  font-size: var(--lx-font-size-lg);
  font-weight: 600;
  line-height: 1.15;
  color: var(--lx-color-text-primary);
}

.lx-topbar__tag {
  margin-top: 1px;
  font-size: 10px;
  line-height: 1.2;
  color: var(--lx-color-text-tertiary);
}

.lx-topbar__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.lx-topbar__modules {
  display: flex;
  height: 100%;
  align-items: stretch;
  gap: var(--lx-space-1);
}

.lx-topbar__module {
  position: relative;
  padding: 0 14px;
  font-size: var(--lx-font-size-md);
  color: var(--lx-color-text-secondary);
  transition: color var(--lx-motion-fast) var(--lx-ease-out);
}

.lx-topbar__module:hover {
  color: var(--lx-color-text-primary);
}

.lx-topbar__module.is-active {
  color: var(--lx-color-brand);
  font-weight: 600;
}

.lx-topbar__module.is-active::after {
  position: absolute;
  right: 12px;
  bottom: 0;
  left: 12px;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: var(--lx-color-brand);
  content: '';
}

.lx-topbar__actions {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: var(--lx-space-2);
}

.lx-icon-button {
  position: relative;
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: var(--lx-radius-md);
  color: var(--lx-color-text-secondary);
  transition:
    color var(--lx-motion-fast) var(--lx-ease-out),
    background var(--lx-motion-fast) var(--lx-ease-out);
}

.lx-icon-button:hover {
  color: var(--lx-color-text-primary);
  background: var(--lx-color-bg-hover);
}

.lx-icon-button__dot {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 6px;
  height: 6px;
  border: 1.5px solid var(--lx-color-bg-panel);
  border-radius: 50%;
  background: var(--lx-color-danger);
}

/* ---------- 用户菜单 ---------- */

.lx-user {
  position: relative;
}

.lx-user__trigger {
  display: flex;
  height: 40px;
  align-items: center;
  gap: 8px;
  padding: 0 6px 0 4px;
  border-radius: var(--lx-radius-md);
  transition: background var(--lx-motion-fast) var(--lx-ease-out);
}

.lx-user__trigger:hover {
  background: var(--lx-color-bg-hover);
}

.lx-user__avatar {
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--lx-color-brand-soft);
  color: var(--lx-color-brand);
  font-size: var(--lx-font-size-sm);
  font-weight: 600;
}

.lx-user__meta {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.25;
}

.lx-user__name {
  font-size: var(--lx-font-size-sm);
  font-weight: 500;
  color: var(--lx-color-text-primary);
}

.lx-user__role {
  font-size: 11px;
  color: var(--lx-color-text-tertiary);
}

.lx-user__chevron {
  color: var(--lx-color-text-tertiary);
}

.lx-user__menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 208px;
  padding: 6px;
  border: 1px solid var(--lx-color-border);
  border-radius: var(--lx-radius-md);
  background: var(--lx-color-bg-elevated);
  box-shadow: var(--lx-shadow-overlay);
}

.lx-user__menu-header {
  padding: 8px 10px;
  border-bottom: 1px solid var(--lx-color-border);
  margin-bottom: 4px;
  font-size: var(--lx-font-size-xs);
  color: var(--lx-color-text-tertiary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lx-user__menu-item {
  display: flex;
  width: 100%;
  height: 34px;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  border-radius: var(--lx-radius-sm);
  font-size: var(--lx-font-size-sm);
  color: var(--lx-color-text-primary);
  text-align: left;
}

.lx-user__menu-item:hover {
  background: var(--lx-color-bg-hover);
}

/* ---------- 主体 ---------- */

.lx-shell__body {
  display: flex;
  flex: 1;
  min-height: 0;
}

.lx-sidebar {
  display: flex;
  flex: 0 0 var(--lx-sidebar-width);
  width: var(--lx-sidebar-width);
  min-height: 0;
  flex-direction: column;
  border-right: 1px solid var(--lx-color-border);
  background: var(--lx-color-bg-panel);
  transition: width var(--lx-motion-base) var(--lx-ease-out);
}

.lx-shell--collapsed .lx-sidebar {
  flex-basis: var(--lx-sidebar-collapsed-width);
  width: var(--lx-sidebar-collapsed-width);
}

.lx-sidebar__heading {
  display: flex;
  height: 48px;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--lx-space-4) 0 var(--lx-space-5);
}

.lx-sidebar__title {
  font-size: var(--lx-font-size-sm);
  font-weight: 600;
  color: var(--lx-color-text-primary);
}

.lx-sidebar__toggle {
  display: inline-flex;
  width: 24px;
  height: 24px;
  align-items: center;
  justify-content: center;
  border-radius: var(--lx-radius-sm);
  color: var(--lx-color-text-tertiary);
}

.lx-sidebar__toggle:hover {
  color: var(--lx-color-text-primary);
  background: var(--lx-color-bg-hover);
}

.lx-sidebar__nav {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 2px;
  padding: 0 10px;
  overflow-y: auto;
}

.lx-sidebar__item {
  display: flex;
  min-height: 38px;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  border-radius: var(--lx-radius-md);
  color: var(--lx-color-text-secondary);
  font-size: var(--lx-font-size-sm);
  transition:
    color var(--lx-motion-fast) var(--lx-ease-out),
    background var(--lx-motion-fast) var(--lx-ease-out);
}

.lx-sidebar__item:hover {
  color: var(--lx-color-text-primary);
  background: var(--lx-color-bg-hover);
}

.lx-sidebar__item.is-active {
  color: var(--lx-color-brand);
  background: var(--lx-color-brand-soft);
  font-weight: 500;
}

.lx-sidebar__item-icon {
  display: inline-flex;
  flex: 0 0 18px;
}

.lx-sidebar__item-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lx-sidebar__footer {
  padding: var(--lx-space-4) var(--lx-space-5);
  border-top: 1px solid var(--lx-color-border);
}

.lx-sidebar__env {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--lx-font-size-xs);
  color: var(--lx-color-text-tertiary);
}

.lx-sidebar__env-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lx-color-success);
}

.lx-shell--collapsed .lx-sidebar__title,
.lx-shell--collapsed .lx-sidebar__item-label,
.lx-shell--collapsed .lx-sidebar__env-text {
  display: none;
}

.lx-shell--collapsed .lx-sidebar__heading {
  justify-content: center;
  padding: 0;
}

.lx-shell--collapsed .lx-sidebar__item {
  justify-content: center;
  padding: 0;
}

.lx-shell--collapsed .lx-sidebar__footer {
  padding: var(--lx-space-4) 0;
}

/* ---------- 工作区 ---------- */

.lx-workspace {
  display: flex;
  flex: 1;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  overflow: hidden;
}

.lx-breadcrumbs {
  display: flex;
  flex: 0 0 44px;
  height: 44px;
  align-items: center;
  gap: 6px;
  padding: 0 var(--lx-content-padding);
  border-bottom: 1px solid var(--lx-color-border);
  background: var(--lx-color-bg-panel);
  font-size: var(--lx-font-size-xs);
  color: var(--lx-color-text-tertiary);
}

.lx-breadcrumbs__entry {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.lx-breadcrumbs__link {
  color: var(--lx-color-text-tertiary);
}

.lx-breadcrumbs__link:hover {
  color: var(--lx-color-brand);
}

.lx-breadcrumbs__current {
  color: var(--lx-color-text-primary);
  font-weight: 500;
}

.lx-breadcrumbs__sep {
  color: #c9cdd4;
}

.lx-page {
  flex: 1;
  min-height: 0;
  padding: var(--lx-content-padding);
  overflow-y: auto;
}

@media (width <= 1080px) {
  .lx-topbar__tag {
    display: none;
  }

  .lx-sidebar {
    flex-basis: var(--lx-sidebar-collapsed-width);
    width: var(--lx-sidebar-collapsed-width);
  }

  .lx-sidebar__title,
  .lx-sidebar__item-label,
  .lx-sidebar__env-text {
    display: none;
  }

  .lx-sidebar__heading {
    justify-content: center;
    padding: 0;
  }

  .lx-sidebar__item {
    justify-content: center;
    padding: 0;
  }
}

@media (width <= 900px) {
  .lx-topbar {
    gap: var(--lx-space-3);
    padding: 0 var(--lx-space-4);
  }

  .lx-topbar__brand {
    min-width: auto;
  }

  .lx-topbar__tag {
    display: none;
  }

  .lx-user__meta {
    display: none;
  }

  .lx-content-padding,
  .lx-page {
    padding: var(--lx-space-4);
  }
}