/**
 * 前台顶栏：复刻后台 floating-nav 顶栏样式
 */
:root {
  --tb-primary: #0A4D8C;
  --tb-secondary: #64B5F6;
  --tb-text: #5e5873;
  --tb-heading: #6e6b7b;
  --tb-bg: #ffffff;
}

body,
#ui,
#footer,
#error,
.header-navbar {
  font-family: "PingFang SC", "PingFang TC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif !important;
}

.header-navbar.floating-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  width: calc(100% - 2.4rem);
  max-width: 1600px;
  margin: 1.2rem auto 0;
  padding: 0;
  min-height: 4.45rem;
  background: var(--tb-bg);
  border-radius: 0.428rem;
  box-shadow: 0 4px 24px 0 rgba(34, 41, 47, 0.12);
  transition: 300ms ease all;
}

.header-navbar .navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  min-height: 4.45rem;
  padding: 0.65rem 1.4rem;
  box-sizing: border-box;
}

.header-navbar .bookmark-wrapper {
  display: flex;
  align-items: center;
  min-width: 0;
}

.header-navbar .navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--tb-text);
  min-width: 0;
}

.header-navbar .brand-logo-img {
  display: block;
  height: 36px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

.header-navbar .brand-logo {
  display: none;
}

.header-navbar .brand-title {
  display: none;
}

.header-navbar .navbar-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.header-navbar .navbar-nav .nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.85rem;
  color: var(--tb-heading);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 0.357rem;
  line-height: 1.4;
  transition: color .2s, background .2s;
}

.header-navbar .navbar-nav .nav-link:hover {
  color: var(--tb-primary);
  background: rgba(10, 77, 140, 0.08);
}

.header-navbar .navbar-nav .nav-link.nav-btn {
  margin-left: 0.25rem;
  border: 1px solid #ebe9f1;
  background: #fff;
  color: var(--tb-primary);
}

.header-navbar .navbar-nav .nav-link.nav-btn.primary {
  background: var(--tb-primary);
  border-color: var(--tb-primary);
  color: #fff;
}

.header-navbar .navbar-nav .nav-link.nav-btn.primary:hover {
  background: #083F73;
  border-color: #083F73;
  color: #fff;
}

.header-navbar .navbar-nav .nav-link.nav-btn:hover {
  background: rgba(100, 181, 246, 0.18);
  border-color: var(--tb-secondary);
}

/* 已登录用户菜单：用户名 | 头像 | 倒三角 */
.header-navbar .user-dropdown {
  margin-left: 0.5rem;
  position: relative;
  list-style: none;
}

.header-navbar .user-menu {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.2rem 0.15rem;
  border-radius: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  user-select: none;
  outline: none;
}

.header-navbar .user-menu:hover,
.header-navbar .user-menu:focus-within,
.header-navbar .user-menu.open {
  border-color: transparent;
  box-shadow: none;
  background: transparent;
}

.header-navbar .user-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.92rem;
  font-weight: 600;
  color: #5e5873;
}

.header-navbar .user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
  background: #f3f2f7;
  display: block;
}

.header-navbar .user-caret {
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid #6e6b7b;
  margin-right: 0.15rem;
  transition: transform .2s ease;
}

.header-navbar .user-menu:hover .user-caret,
.header-navbar .user-menu:focus-within .user-caret,
.header-navbar .user-menu.open .user-caret {
  transform: rotate(180deg);
}

.header-navbar .user-dropdown-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 200px;
  padding: 0.45rem;
  background: #fff;
  border-radius: 0.5rem;
  box-shadow: 0 8px 28px rgba(34, 41, 47, 0.14);
  border: 1px solid #ebe9f1;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
  z-index: 10050;
}

.header-navbar .user-menu:hover .user-dropdown-panel,
.header-navbar .user-menu:focus-within .user-dropdown-panel,
.header-navbar .user-menu.open .user-dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header-navbar .user-dropdown-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem 0.7rem;
  margin-bottom: 0.25rem;
  border-bottom: 1px solid #f0eef5;
}

.header-navbar .user-dropdown-head img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.header-navbar .user-dropdown-head strong {
  display: block;
  font-size: 0.92rem;
  color: #5e5873;
  line-height: 1.3;
}

.header-navbar .user-dropdown-head span {
  display: block;
  font-size: 0.75rem;
  color: #b9b9c3;
  margin-top: 2px;
}

.header-navbar .user-dropdown-panel > a {
  display: block;
  padding: 0.6rem 0.75rem;
  color: #6e6b7b;
  text-decoration: none;
  border-radius: 0.357rem;
  font-size: 0.9rem;
}

.header-navbar .user-dropdown-panel > a:hover {
  background: rgba(10, 77, 140, 0.08);
  color: var(--tb-primary);
}

.header-navbar .user-dropdown-panel > a.danger {
  color: #ea5455;
  margin-top: 0.2rem;
  border-top: 1px solid #f0eef5;
  border-radius: 0 0 0.357rem 0.357rem;
}

.header-navbar .user-dropdown-panel > a.danger:hover {
  background: rgba(234, 84, 85, 0.08);
  color: #ea5455;
}

.header-navbar .nav-toggle {
  display: none;
  border: 1px solid #ebe9f1;
  background: #fff;
  color: var(--tb-primary);
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.357rem;
  font-size: 1.15rem;
  cursor: pointer;
}

.mobile-nav {
  display: none;
  position: fixed;
  z-index: 10001;
  top: calc(1.2rem + 4.45rem + 0.5rem);
  left: max(1.2rem, calc(50% - 800px));
  right: max(1.2rem, calc(50% - 800px));
  background: #fff;
  border-radius: 0.428rem;
  box-shadow: 0 4px 24px 0 rgba(34, 41, 47, 0.12);
  padding: 0.5rem;
}

.mobile-nav.open {
  display: flex;
  flex-direction: column;
}

.mobile-nav a {
  padding: 0.75rem 1rem;
  color: var(--tb-text);
  text-decoration: none;
  border-radius: 0.357rem;
  font-size: 0.95rem;
}

.mobile-nav a:hover {
  background: rgba(10, 77, 140, 0.08);
  color: var(--tb-primary);
}

/* 给海浪 UI 留出顶栏空间，避免与浮动条重叠 */
#ui #camera {
  top: 6.2rem !important;
}

#footer {
  z-index: 9999;
}

@media (max-width: 992px) {
  .header-navbar .navbar-nav {
    display: none;
  }
  .header-navbar .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .header-navbar .brand-logo-img {
    height: 30px;
    max-width: 160px;
  }
}

@media (max-width: 576px) {
  .header-navbar.floating-nav {
    width: calc(100% - 1.5rem);
    margin-top: 0.85rem;
  }
  .header-navbar .navbar-container {
    padding: 0.55rem 0.9rem;
  }
}