/* 导航栏专属样式（美化 + 移动端优化） */

:root {
  --nav-primary: #002EA6;
  --nav-text: #1d2129;
  --nav-muted: #4e5969;
  --nav-border: #e9ecef;
  --nav-bg: rgba(255, 255, 255, 0.92);
  --nav-bg-solid: #ffffff;
  --nav-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  --nav-radius: 10px;
}
.nav-container {
  width: 100%;
  background-color: var(--nav-bg) !important;
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  backdrop-filter: saturate(160%) blur(10px);
  box-shadow: var(--nav-shadow);
  position: fixed !important;
  top: 0px !important;
  left: 0px !important;
  right: 0px !important;
  z-index: 9999 !important;
  border-bottom: 1px solid var(--nav-border);
  overflow: visible !important;
  pointer-events: auto !important;
}

/* 移动端菜单遮罩（默认隐藏） */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.22);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
  z-index: 9998;
}

.mobile-nav-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.nav-bar {
  height: 48px !important;
  line-height: 48px !important;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 100%;
  margin: 0 auto;
  overflow: visible !important;
  position: relative;
  z-index: inherit;
}

.nav-top-row {
  display: none;
  width: 100%;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 48px;
  background-color: #FFFFFF !important;
  pointer-events: auto;
}

.system-name {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0px;
  color: var(--nav-primary);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-logo {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: contain;
}

.hamburger-btn {
  display: none;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10000;
  pointer-events: auto;
  outline: none;
}

.hamburger-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--nav-primary);
  border-radius: 1px;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

/* 汉堡按钮动效 */
.hamburger-btn.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.hamburger-btn.open span:nth-child(2) {
  opacity: 0;
}

.hamburger-btn.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-left-group {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: nowrap;
  overflow: visible !important;
  pointer-events: auto;
  position: relative;
  width: 100%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: nowrap;
  overflow: visible !important;
  position: relative;
  z-index: 1;
}

.nav-links a, .dropdown-parent {
  color: var(--nav-text);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0 12px !important;
  border-radius: 4px;
  transition: color 0.18s ease, background-color 0.18s ease;
  position: relative;
  white-space: nowrap;
  display: inline-block;
  line-height: 48px;
  cursor: pointer;
  height: 48px;
  box-sizing: border-box;
  pointer-events: auto !important;
  z-index: 1;
}

/* 轻量胶囊悬停效果 */
.nav-links a:hover:not(.active), .dropdown-parent:hover:not(.active) {
  color: var(--nav-primary);
  background-color: rgba(0, 46, 166, 0.06);
}

/* Active：底部强调线（不改变布局） */

.dropdown-parent {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: space-between;
}

.dropdown-parent i {
  font-size: 0.75rem;
  color: #666;
  transition: transform 0.2s;
}

.nav-links a.active, .dropdown-parent.active {
  font-weight: 600;
  color: var(--nav-primary) !important;
  background-color: transparent !important;
  border: none;
  height: 48px !important;
  border-radius: 4px !important;
}

.dropdown-item {
  position: relative;
  padding: 0;
  margin: 0;
  height: auto;
  pointer-events: auto;
  width: auto;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--nav-bg-solid);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-radius: 6px;
  padding: 8px 0;
  min-width: 200px;
  z-index: 99999 !important;
  border: 1px solid var(--nav-border);
  margin-top: 0;
  transition: none !important;
  pointer-events: auto;
}

/* 下拉菜单项：统一 36px 行高。
   注意：.nav-links a.active 里有 height:48px !important，会泄漏到当前页对应的
   菜单项上把它撑高、显示出空行，必须用同特异性的 .dropdown-menu a.active 覆盖 */
.dropdown-menu a,
.dropdown-menu a.active {
  display: block;
  height: 36px !important;
  line-height: 36px !important;
  padding: 0 16px !important;
  width: 100%;
  box-sizing: border-box;
  border-radius: 0 !important;
}

.dropdown-item:hover .dropdown-menu {
  display: block;
}

.dropdown-item:not(:hover) .dropdown-menu {
  display: none;
}

.dropdown-item:hover .dropdown-parent i {
  transform: rotate(180deg);
}

/* ========== 参考图片样式：用户信息下拉菜单 ========== */
.user-info {
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  white-space: nowrap;
  line-height: 48px !important;
  pointer-events: auto;
  z-index: 1;
  position: relative; /* 作为下拉菜单的定位容器 */
  color: var(--nav-text);
  cursor: pointer;
  padding: 0 12px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.user-info:hover {
  background-color: #f5f7fa;
}

.user-name {
  color: var(--nav-primary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 校区数量徽标 */
.zone-count-badge {
  margin-left: 8px;
  font-size: 12px;
  line-height: 18px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(0, 46, 166, 0.08);
  color: var(--nav-primary);
  border: 1px solid rgba(0, 46, 166, 0.12);
}

.user-name i {
  font-size: 0.7rem;
  transition: transform 0.2s;
}

/* 用户下拉菜单容器 */
.user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background-color: var(--nav-bg-solid);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  border-radius: 8px;
  min-width: 240px;
  z-index: 99999 !important;
  border: 1px solid #e5e6eb;
  overflow: hidden;
}

/* 显示下拉菜单 */
.user-dropdown.show {
  display: block;
  animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 用户信息卡片区域 */
.user-card {
  padding: 16px;
  border-bottom: 1px solid #f0f1f5;
}

.user-avatar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.avatar-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--nav-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
}

.user-detail h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: #1d2129;
}

.user-detail p {
  margin: 0;
  font-size: 12px;
  color: #86909c;
  line-height: 1.4;
}

/* 菜单选项区域 */
.user-menu-list {
  padding: 8px 0;
}

.user-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  color: #4e5969;
  text-decoration: none;
  transition: background-color 0.2s;
}

.user-menu-item:hover {
  background-color: #f5f7fa;
  color: #002EA6;
}

.user-menu-item i {
  font-size: 14px;
  color: #86909c;
  width: 16px;
  text-align: center;
}

.user-menu-item:hover i {
  color: #002EA6;
}

/* 退出登录分隔样式 */
.logout-item {
  border-top: 1px solid #f0f1f5;
  margin-top: 4px;
  padding: 10px 16px;
}

.logout-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #f53f3f;
  text-decoration: none;
}

.logout-item a:hover {
  color: #d4380d;
}

/* ---------------- 移动端适配 ---------------- */
@media (max-width: 768px) {
  .dropdown-item {
    width: 100%;
  }
  .nav-top-row {
    display: flex;
    position: relative;
    z-index: 1000;
  }

  .nav-left-group .system-name {
    display: none;
  }
  .nav-top-row .system-name .nav-logo {
    width: 28px;
    height: 28px;
  }

  .hamburger-btn {
    display: flex;
  }

  .nav-bar {
    flex-direction: column;
    height: auto !important;
    padding: 0 !important;
    line-height: 40px !important;
    justify-content: flex-start;
    background-color: var(--nav-bg-solid) !important;
    width: 100%;
    max-width: 100%;
  }

  .nav-left-group {
    width: 100%;
    gap: 0;
    margin-bottom: 0;
    justify-content: flex-start;
    padding: 0 !important;
    background-color: #FFFFFF !important;
    z-index: 9999;
  }

  .nav-left-group {
    align-items: stretch;
  }

  .nav-links {
    width: 100%;
    gap: 0;
    margin: 0;
    flex-direction: column;
    align-items: flex-start;
    display: flex;
    padding: 0 !important;
    background-color: var(--nav-bg-solid) !important;
    flex-wrap: nowrap;
    z-index: 9999;
    position: relative;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transform: translateY(-4px);
    pointer-events: none;
    visibility: hidden;
    transition: max-height 0.22s ease, opacity 0.18s ease, transform 0.18s ease;
  }

  .dropdown-menu {
    display: none;
    position: static !important;
    box-shadow: none;
    border: none;
    border-left: 2px solid #e9ecef;
    padding: 0 0 0 20px;
    min-width: 100% !important;
    z-index: auto;
    background-color: #FFFFFF !important;
    margin: 0;
    border-radius: 0;
    width: 100%;
  }

  .dropdown-menu.show {
    display: block !important;
    width: 100%;
  }

  .nav-links a, .dropdown-parent {
    line-height: 40px;
    padding: 0 16px !important;
    width: 100% !important;
    height: auto;
    color: var(--nav-text) !important;
    border-bottom: 1px solid #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
    margin: 0;
  }

  .dropdown-parent {
    font-weight: 500;
    color: var(--nav-primary) !important;
  }

  .dropdown-menu a {
    line-height: 40px !important;
    height: auto !important;
    padding: 0 16px !important;
    color: var(--nav-muted) !important;
    border-bottom: 1px solid #f5f5f5;
    width: 100% !important;
  }

  .dropdown-menu a:last-child {
    border-bottom: none;
  }

  /* 移动端用户信息区域适配 */
  .user-info {
    width: 100% !important;
    justify-content: flex-start;
    line-height: 40px !important;
    padding: 0 !important;
    border-top: none;
    display: flex;
    background-color: var(--nav-bg-solid) !important;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    z-index: 9999;
    margin: 0;
    box-sizing: border-box;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transform: translateY(-4px);
    pointer-events: none;
    visibility: hidden;
    transition: max-height 0.22s ease, opacity 0.18s ease, transform 0.18s ease, padding 0.18s ease;
  }

  /* 移动端用户下拉菜单适配 */
  .user-dropdown {
    position: static !important;
    width: 100%;
    min-width: auto;
    top: auto;
    right: auto;
    box-shadow: none;
    border: none;
    border-radius: 0;
    margin-top: 0;
  }

  .nav-links.show {
    width: 100%;
    max-height: 75vh;
    opacity: 1;
    transform: translateY(0);
    overflow: auto;
    pointer-events: auto;
    visibility: visible;
  }

  .user-info.show {
    width: 100%;
    max-height: 45vh;
    opacity: 1;
    transform: translateY(0);
    overflow: auto;
    padding: 8px 16px !important;
    border-top: 1px solid #eee;
    pointer-events: auto;
    visibility: visible;
  }

  .dropdown-parent.rotate i {
    transform: rotate(180deg);
  }

  .user-name.rotate i {
    transform: rotate(180deg);
  }
}

/* ========== 校区选择模态框样式 ========== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999999 !important;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(2px);
}

.modal-container {
  background-color: #FFFFFF;
  border-radius: 8px;
  width: 100%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  animation: modalFadeIn 0.3s ease-in-out;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid #e9ecef;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background-color: #FFFFFF;
  z-index: 1;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  color: #1d2129;
  margin: 0;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 20px;
  color: #86909c;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color 0.2s;
}

.modal-close:hover {
  background-color: #f5f7fa;
  color: #002EA6;
}

.modal-body {
  padding: 20px;
}

.zone-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.zone-item {
  padding: 12px 16px;
  border: 1px solid #e9ecef;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.zone-item:hover {
  border-color: #002EA6;
  background-color: #f5f7fa;
}

.zone-item.active {
  background-color: #002EA6;
  color: #FFFFFF;
  border-color: #002EA6;
}

.zone-name {
  font-weight: 500;
  margin-bottom: 4px;
}

.zone-address {
  font-size: 12px;
  color: #86909c;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid #e9ecef;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.modal-btn {
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.modal-btn-cancel {
  background-color: #f5f7fa;
  color: #4e5969;
  border-color: #e9ecef;
}

.modal-btn-cancel:hover {
  background-color: #e9ecef;
}

.modal-btn-confirm {
  background-color: #002EA6;
  color: #FFFFFF;
}

.modal-btn-confirm:hover {
  background-color: #002080;
}

.zone-count-badge{
  margin-left: 6px;
  font-size: 12px;
  line-height: 1;
  padding: 3px 7px;
  border-radius: 12px;
  background: #ffffff;
  color: #002EA6;
  font-weight: 600;
}

/* 移动端模态框适配 */
@media (max-width: 768px) {
  .zone-list {
    grid-template-columns: 1fr;
  }

  .modal-container {
    max-width: 90%;
  }
}


/* ===== 统一校区弹框样式（navbar#zone_select 与 courses#zone_select）- 最终覆盖 ===== */
#zone_select .modal-container,
#zone_select .modal-container{
  width: 80vw;
  max-width: 1200px;
  height: 82vh;
  max-height: 82vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

#zone_select .modal-body,
#zone_select .modal-body{
  flex: 1 1 auto;
  overflow: auto;
  padding: 22px 24px;
}

#zone_select .zone-list,
#zone_select .zone-list{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

#zone_select .zone-item,
#zone_select .zone-item{
  border: 1px solid #e6e9ef;   /* 边框颜色不变 */
  border-radius: 12px;
  padding: 12px 12px;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff !important;   /* 未选中白底 */
}

#zone_select .zone-name,
#zone_select .zone-name{
  font-size: 12px;                 /* 字体缩小 */
  font-weight: 600;
  line-height: 1.2;
  color: #000000 !important;       /* 未选中黑字 */
  white-space: normal;
  word-break: break-word;
}

/* 选中态：使用 active（navbar.js 用 active） */
#zone_select .zone-item.active,
#zone_select .zone-item.active{
  background: #002EA6 !important;
}

#zone_select .zone-item.active .zone-name,
#zone_select .zone-item.active .zone-check-icon,
#zone_select .zone-item.active .zone-name,
#zone_select .zone-item.active .zone-check-icon{
  color: #ffffff !important;
}

/* 取消 hover 背景变化 */
#zone_select .zone-item:hover,
#zone_select .zone-item:hover{
  background: inherit !important;
}

#zone_select .zone-item.active:hover,
#zone_select .zone-item.active:hover{
  background: #002EA6 !important;
}

/* 小屏幕自适应 */
@media (max-width: 768px){
  #zone_select .zone-list,
  #zone_select .zone-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}