// 统一页顶栏（对齐地磅「仪表盘」白底顶栏）
// 结构：safe-top + nav 行；左侧返回←/标题；右侧预留胶囊；工作台可加用户区

.sq-nav-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid #eee;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  height: var(--sq-header-height, calc(44px + 44px));
  padding-top: var(--sq-safe-top, 44px);
  box-sizing: border-box;
}

/* 工作台等：加高，标题行 + 独立用户行 */
.sq-nav-header--tall {
  height: auto;
  min-height: calc(var(--sq-header-height, 88px) + 72px);
  padding-bottom: 20px;
}

.sq-nav-header__nav {
  height: var(--sq-nav-height, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sq-capsule-right-safe, 96px);
  align-items: center;
  padding: 0 12px 0 8px;
  box-sizing: border-box;
}

.sq-nav-header--tall .sq-nav-header__nav {
  height: auto;
  min-height: var(--sq-nav-height, 44px);
  align-items: center;
}

.sq-nav-header__main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  width: 100%;
}

.sq-nav-header__left {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  min-width: 0;
}

.sq-nav-header__left--stack {
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.sq-nav-header__back {
  font-size: 20px;
  color: #333;
  padding: 4px 8px;
  flex-shrink: 0;
  line-height: 1;
}

.sq-nav-header__title {
  font-size: 17px;
  font-weight: 700;
  color: #111827;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.sq-nav-header__meta {
  font-size: 12px;
  color: #6b7280;
  line-height: 1.4;
  text-align: left;
}

/* 用户行：与标题分行；全宽右对齐，不预留胶囊列 */
.sq-nav-header__user-row {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
  padding: 12px 16px 0;
}

.sq-nav-header__user {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
  max-width: 100%;
  text-align: right;
  margin-left: auto;
}

.sq-nav-header__user-name {
  font-size: 13px;
  font-weight: 600;
  color: #111827;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sq-nav-header__logout {
  font-size: 12px;
  line-height: 1.3;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid #d1d5db;
  color: #374151;
  background: #fff;
}

.sq-nav-header__logout:active {
  background: #f3f4f6;
}

.sq-nav-header__logout--disabled {
  opacity: 0.55;
  pointer-events: none;
}