/* 管理后台样式 */
body {
  font-size: 0.875rem;
}

.feather {
  width: 16px;
  height: 16px;
  vertical-align: text-bottom;
}

/* 侧边栏 */
.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100; /* 位于内容后面 */
  padding: 48px 0 0; /* 顶部高度 */
  box-shadow: inset -1px 0 0 rgba(0, 0, 0, 0.1);
}

@media (max-width: 767.98px) {
  .sidebar {
    top: 5rem;
  }
}

.sidebar-sticky {
  position: relative;
  top: 0;
  height: calc(100vh - 48px);
  padding-top: 0.5rem;
  overflow-x: hidden;
  overflow-y: auto; /* 当内容超过视口高度时可滚动 */
}

.sidebar .nav-link {
  font-weight: 500;
  color: #333;
  padding: 0.75rem 1rem;
  border-radius: 0.25rem;
  margin: 0 0.5rem;
}

.sidebar .nav-link:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.sidebar .nav-link.active {
  color: #2470dc;
}

.sidebar .nav-link:hover .feather,
.sidebar .nav-link.active .feather {
  color: inherit;
}

.sidebar-heading {
  font-size: 0.75rem;
  text-transform: uppercase;
}

/* 内容区域 */
.navbar-brand {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  font-size: 1rem;
  background-color: rgba(0, 0, 0, 0.25);
  box-shadow: inset -1px 0 0 rgba(0, 0, 0, 0.25);
}

.navbar .navbar-toggler {
  top: 0.25rem;
  right: 1rem;
}

.navbar .form-control {
  padding: 0.75rem 1rem;
  border-width: 0;
  border-radius: 0;
}

.form-control-dark {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.1);
}

.form-control-dark:focus {
  border-color: transparent;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.25);
}

/* 表单样式 */
.required-label::after {
  content: " *";
  color: red;
}

/* 预览图片 */
.image-preview {
  max-width: 200px;
  max-height: 200px;
  margin-top: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 5px;
}

/* 标签输入 */
.tags-input {
  display: flex;
  flex-wrap: wrap;
  padding: 5px;
  border: 1px solid #ced4da;
  border-radius: 0.25rem;
  min-height: 38px;
}

.tags-input:focus-within {
  border-color: #86b7fe;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.tag {
  display: flex;
  align-items: center;
  background-color: #e9ecef;
  border-radius: 4px;
  padding: 2px 8px;
  margin: 2px;
}

.tag-text {
  margin-right: 5px;
}

.tag-remove {
  padding: 0;
  border: 0;
  cursor: pointer;
  color: #6c757d;
  background: transparent;
  line-height: 1;
}

.tag-remove:hover {
  color: #dc3545;
}

.tags-input input {
  flex: 1;
  border: none;
  outline: none;
  padding: 5px;
  min-width: 60px;
}

.tag-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.tag-suggestion {
  border: 1px solid #dfe3e8;
  background: #f7f9fb;
  color: #495057;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  cursor: pointer;
}

.tag-suggestion.is-active {
  background: #dff3e8;
  border-color: #b7e4ce;
  color: #0b7a3f;
}

.tag-suggestion-empty {
  font-size: 12px;
  color: #6c757d;
  padding: 4px 2px;
}

/* Markdown编辑器 */
.editor-toolbar {
  border-top-left-radius: 0.25rem;
  border-top-right-radius: 0.25rem;
}

.CodeMirror {
  height: 300px;
  border-bottom-left-radius: 0.25rem;
  border-bottom-right-radius: 0.25rem;
}

/* 音频播放器预览 */
.audio-preview {
  width: 100%;
  margin-top: 10px;
}

/* 卡片样式 */
.card-header {
  background-color: rgba(0, 0, 0, 0.03);
}

/* 表格样式 */
.table img {
  border-radius: 4px;
}

/* 状态徽章 */
.badge {
  font-weight: 500;
}

/* 操作按钮 */
.btn-action {
  margin-right: 5px;
}

/* 响应式调整 */
@media (max-width: 767.98px) {
  .btn-sm-block {
    display: block;
    width: 100%;
    margin-bottom: 0.5rem;
  }
}

/* WeChat admin theme */
:root {
  --wechat-green: #07c160;
  --wechat-green-dark: #059848;
  --wechat-muted: #667085;
  --wechat-border: #e6edf3;
  --wechat-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
  --wechat-radius: 20px;
  --wechat-panel-pad: 22px;
}

.wechat-admin-body {
  background: #f3f7f5;
}

.wechat-admin-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
  padding: 24px;
  min-height: 100vh;
}

.wechat-admin-sidebar {
  background: #fff;
  border-radius: 24px;
  padding: 20px;
  border: 1px solid var(--wechat-border);
  box-shadow: var(--wechat-shadow);
  height: fit-content;
  position: sticky;
  top: 20px;
}

.wechat-admin-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.wechat-admin-brand__icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--wechat-green);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 10px 18px rgba(7, 193, 96, 0.25);
}

.wechat-admin-brand__title {
  font-weight: 700;
  color: #0f172a;
}

.wechat-admin-brand__sub {
  font-size: 0.8rem;
  color: var(--wechat-muted);
}

.wechat-admin-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wechat-admin-nav__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  color: #1f2937;
  text-decoration: none;
  font-weight: 600;
}

.wechat-admin-nav__item i {
  font-size: 1rem;
  color: #4b5563;
}

.wechat-admin-nav__item:hover {
  background: #e9fbf1;
  color: var(--wechat-green-dark);
}

.wechat-admin-nav__item:hover i {
  color: var(--wechat-green-dark);
}

.wechat-admin-nav__item.active {
  background: var(--wechat-green);
  color: #fff;
  box-shadow: 0 12px 22px rgba(7, 193, 96, 0.25);
}

.wechat-admin-nav__item.active i {
  color: #fff;
}

.wechat-admin-main {
  min-width: 0;
}

.wechat-list {
  background: linear-gradient(180deg, #f0fff7 0%, #f6f7fb 45%, #f7f9fb 100%);
  border-radius: 24px;
  padding: 24px;
  font-family:
    "HarmonyOS Sans", "PingFang SC", "Microsoft YaHei", "Noto Sans SC",
    sans-serif;
}

.wechat-list__header {
  background: #fff;
  border-radius: var(--wechat-radius);
  padding: 18px var(--wechat-panel-pad);
  border: 1px solid var(--wechat-border);
  box-shadow: var(--wechat-shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.wechat-list__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 4px;
}

.wechat-list__sub {
  color: var(--wechat-muted);
  margin: 0;
}

.wechat-btn {
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  font-weight: 600;
}

.wechat-btn--primary {
  background: var(--wechat-green);
  border-color: var(--wechat-green);
  color: #fff;
}

.wechat-btn--primary:hover {
  background: var(--wechat-green-dark);
  border-color: var(--wechat-green-dark);
  color: #fff;
}

.wechat-btn--ghost {
  border: 1px solid var(--wechat-green);
  color: var(--wechat-green);
  background: #fff;
}

.wechat-btn--ghost:hover {
  border-color: var(--wechat-green-dark);
  color: var(--wechat-green-dark);
}

.wechat-btn--muted {
  border: 1px solid #d0d5dd;
  color: #475467;
  background: #fff;
}

.wechat-panel {
  background: #fff;
  border-radius: var(--wechat-radius);
  border: 1px solid var(--wechat-border);
  box-shadow: var(--wechat-shadow);
  overflow: hidden;
}

.wechat-panel__header {
  padding: 16px var(--wechat-panel-pad);
  border-bottom: 1px dashed var(--wechat-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.wechat-panel .card-body {
  padding: 18px var(--wechat-panel-pad);
}

.wechat-panel__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0;
}

.wechat-panel__meta {
  color: var(--wechat-muted);
  font-weight: 600;
}

.wechat-filter-row {
  display: grid;
  grid-template-columns: minmax(220px, 360px) minmax(280px, 1fr) minmax(
      240px,
      360px
    );
  gap: 24px;
  align-items: end;
}

.wechat-filter-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 240px;
}

.wechat-filter-block--status {
  align-items: flex-start;
}

.wechat-filter-block--theme {
  align-items: stretch;
}

.wechat-filter-block label {
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0;
}

.wechat-filter-group {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  background: #f7fafc;
  border-radius: 999px;
  border: 1px solid var(--wechat-border);
  width: fit-content;
  max-width: 100%;
  min-height: 44px;
  align-items: center;
}

.wechat-filter-group .btn {
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  padding: 0.35rem 0.95rem;
  background: transparent;
}

.wechat-filter-group .btn.active {
  background: var(--wechat-green);
  border-color: var(--wechat-green);
  color: #fff;
  box-shadow: 0 8px 16px rgba(7, 193, 96, 0.2);
}

.wechat-filter-group .btn:hover {
  background: #e9fbf1;
  border-color: var(--wechat-green);
  color: var(--wechat-green-dark);
}

.wechat-select {
  border-radius: 12px;
  min-height: 44px;
}

.wechat-table thead th {
  background: #f7fafc;
  color: #475467;
  font-weight: 600;
  border-bottom: 1px solid var(--wechat-border);
}

.wechat-user-table td {
  vertical-align: middle;
}

.wechat-user-cell {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wechat-user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid var(--wechat-border);
  background: #f3f4f6;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #9aa4b2;
}

.wechat-user-name {
  font-weight: 700;
  color: #0f172a;
}

.wechat-user-meta {
  color: var(--wechat-muted);
  font-size: 0.85rem;
}

.wechat-user-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--wechat-border);
  background: #f7fafc;
  font-weight: 600;
  color: #1f2937;
}

.wechat-user-pill__label {
  color: var(--wechat-muted);
  font-size: 0.85rem;
}

.wechat-user-edit-row {
  display: none;
  background: #f8fafc;
}

.wechat-user-edit-row.is-open {
  display: table-row;
}

.wechat-user-edit-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.wechat-user-edit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 12px;
}

.wechat-user-edit-actions {
  display: flex;
  gap: 8px;
}

.wechat-filter-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.2fr) minmax(200px, 0.6fr) auto;
  gap: 16px;
  align-items: end;
}

.wechat-filter-item--search .input-group-text {
  background: #f7fafc;
  border-color: var(--wechat-border);
}

.wechat-filter-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.wechat-filter-danger {
  margin-top: 12px;
}

.wechat-cover {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--wechat-border);
  background: #f3f4f6;
}

.wechat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.wechat-badge {
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-weight: 600;
}

.wechat-pagination .page-link {
  border-radius: 999px;
  margin: 0 4px;
  border-color: var(--wechat-border);
  color: #475467;
}

.wechat-pagination .page-item.active .page-link {
  background: var(--wechat-green);
  border-color: var(--wechat-green);
  color: #fff;
}

.wechat-tabs {
  border-bottom: 1px solid var(--wechat-border);
  gap: 6px;
}

.wechat-tabs .nav-link {
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-weight: 600;
  color: #475467;
  border: 1px solid transparent;
}

.wechat-tabs .nav-link.active {
  background: #e9fbf1;
  color: var(--wechat-green-dark);
  border-color: var(--wechat-green);
}

.teacher-sidebar-card {
  background: #fff;
  border-radius: 18px;
  border: 1px solid var(--wechat-border);
  box-shadow: var(--wechat-shadow);
  padding: 18px;
  position: sticky;
  top: 20px;
}

/* 教师后台工作台：统一概览、分组导航和底部操作层级 */
.teacher-workspace {
  --teacher-ink: #14213d;
  --teacher-soft: #f5f8f7;
}

.teacher-overview {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.teacher-overview__item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--wechat-border);
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.teacher-overview__icon {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: var(--wechat-green-dark);
  background: #e9fbf1;
  font-size: 1rem;
}

.teacher-overview small,
.teacher-overview strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.teacher-overview small {
  color: var(--wechat-muted);
  margin-bottom: 2px;
}
.teacher-overview strong {
  color: var(--teacher-ink);
  font-size: 0.92rem;
}

.teacher-workspace .wechat-tabs {
  position: sticky;
  top: 10px;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--wechat-border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(10px);
}

.teacher-workspace .wechat-tabs .nav-link {
  width: 100%;
  border-radius: 10px;
  text-align: center;
}

.merchant-panel {
  padding: 18px;
  background: linear-gradient(135deg, #f0fff7, #f8fbff);
  border: 1px solid #cdebd9;
  border-radius: 16px;
}

.merchant-panel__heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.merchant-panel__heading h5 {
  margin: 2px 0 0;
  color: var(--teacher-ink);
  font-weight: 700;
}
.merchant-panel__eyebrow {
  color: var(--wechat-green-dark);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}
.merchant-panel__tip {
  color: var(--wechat-muted);
  font-size: 0.8rem;
}

.merchant-logo-preview {
  width: 100px;
  height: 100px;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px dashed #9dcfb2;
  border-radius: 20px;
  background: #fff;
  color: #9db3a6;
  font-size: 1.4rem;
}

.merchant-logo-preview img {
  position: absolute;
  inset: 0;
  width: 100px;
  height: 100px;
  object-fit: cover;
}

.teacher-savebar {
  position: sticky;
  bottom: 12px;
  z-index: 25;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--wechat-border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 -8px 30px rgba(15, 23, 42, 0.1);
  backdrop-filter: blur(10px);
}

.password-reveal-btn {
  min-width: 44px;
}
.password-modal {
  border: 0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.2);
}
.modal-kicker {
  color: var(--wechat-green-dark);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.password-display {
  padding: 16px;
  border: 1px solid var(--wechat-border);
  border-radius: 12px;
  background: #f8fafc;
  color: #0f172a;
  font:
    700 1rem/1.5 ui-monospace,
    SFMono-Regular,
    Consolas,
    monospace;
  overflow-wrap: anywhere;
  text-align: center;
}

.sidebar-title {
  font-weight: 700;
  color: #0f172a;
}

.teacher-quick-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 480px;
  overflow: auto;
  padding-right: 4px;
}

.teacher-quick-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 12px;
  background: #f8fafc;
  color: #0f172a;
  text-decoration: none;
  border: 1px solid transparent;
}

.teacher-quick-item:hover {
  background: #e9fbf1;
  color: var(--wechat-green-dark);
  border-color: var(--wechat-green);
}

.teacher-quick-item.active {
  background: var(--wechat-green);
  color: #fff;
  border-color: var(--wechat-green);
  box-shadow: 0 10px 18px rgba(7, 193, 96, 0.2);
}

.teacher-quick-item.active .quick-meta,
.teacher-quick-item.active i {
  color: #fff;
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  margin-right: 8px;
  border: 2px solid #fff;
}

.status-on {
  background: var(--wechat-green);
}

.status-off {
  background: #d0d5dd;
}

.quick-meta {
  font-size: 0.75rem;
  color: var(--wechat-muted);
}

.form-section {
  background: #fff;
  border-radius: 18px;
  border: 1px solid var(--wechat-border);
  box-shadow: var(--wechat-shadow);
  padding: 18px;
  margin-top: 16px;
}

.form-section-header {
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--wechat-border);
}

.field-hint {
  font-size: 0.8rem;
  color: var(--wechat-muted);
  margin-top: 6px;
}

.preview-image {
  width: 100%;
  max-width: 160px;
  border-radius: 14px;
  border: 1px solid var(--wechat-border);
  background: #f8fafc;
  margin-top: 6px;
}

.json-editor-container {
  border: 1px solid var(--wechat-border);
  border-radius: 16px;
  overflow: hidden;
  min-height: 320px;
  background: #f8fafc;
}

.json-editor-container .jsoneditor {
  border: none;
}

@media (max-width: 991px) {
  .wechat-filter-row {
    grid-template-columns: 1fr;
  }

  .wechat-admin-shell {
    grid-template-columns: 1fr;
  }

  .wechat-admin-sidebar {
    position: static;
  }

  .wechat-filter-grid {
    grid-template-columns: 1fr;
  }

  .wechat-user-edit-grid {
    grid-template-columns: 1fr;
  }

  .teacher-sidebar-card {
    position: static;
  }

  .teacher-overview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .teacher-workspace .wechat-tabs {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .wechat-list__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .wechat-actions .btn {
    width: 100%;
  }

  .wechat-filter-group {
    width: 100%;
    justify-content: flex-start;
  }

  .teacher-overview {
    grid-template-columns: 1fr;
  }
  .merchant-panel__heading {
    align-items: flex-start;
    flex-direction: column;
  }
  .teacher-savebar {
    position: static;
    align-items: stretch;
    flex-direction: column;
  }
  .teacher-savebar > div {
    display: grid;
    gap: 8px;
  }
}

/* ========================================================================
   Aimoofa unified admin shell
   ======================================================================== */
:root {
  --admin-bg: #f3f6f4;
  --admin-surface: #ffffff;
  --admin-surface-soft: #f7faf8;
  --admin-sidebar: #102c22;
  --admin-sidebar-deep: #0a2119;
  --admin-primary: #079858;
  --admin-primary-strong: #057244;
  --admin-primary-soft: #e7f7ef;
  --admin-ink: #183029;
  --admin-muted: #6d7e77;
  --admin-border: #dfe8e3;
  --admin-danger: #b42318;
  --admin-warning: #b76b13;
  --admin-info: #2969bf;
  --admin-radius-sm: 10px;
  --admin-radius: 16px;
  --admin-radius-lg: 22px;
  --admin-shadow-sm: 0 8px 24px rgba(22, 54, 42, 0.06);
  --admin-shadow: 0 18px 48px rgba(22, 54, 42, 0.09);
  --admin-sidebar-width: 286px;
  --admin-content-max: 1660px;
  --admin-ease: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.admin-body {
  min-width: 320px;
  margin: 0;
  color: var(--admin-ink);
  background:
    radial-gradient(
      circle at 82% -10%,
      rgba(7, 152, 88, 0.07),
      transparent 30rem
    ),
    var(--admin-bg);
  font-family:
    "HarmonyOS Sans",
    "PingFang SC",
    "Microsoft YaHei",
    "Noto Sans SC",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

.admin-skip-link {
  position: fixed;
  z-index: 2000;
  left: 16px;
  top: -60px;
  padding: 10px 16px;
  border-radius: 10px;
  color: #fff;
  background: var(--admin-primary-strong);
  transition: top var(--admin-ease);
}

.admin-skip-link:focus {
  top: 12px;
  color: #fff;
}

.admin-app {
  display: grid;
  grid-template-columns: var(--admin-sidebar-width) minmax(0, 1fr);
  min-height: 100vh;
}

.admin-sidebar {
  position: sticky;
  z-index: 1040;
  top: 0;
  display: flex;
  flex-direction: column;
  width: var(--admin-sidebar-width);
  height: 100vh;
  min-height: 0;
  padding: 18px 14px 14px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(
      circle at 10% 0%,
      rgba(50, 211, 139, 0.18),
      transparent 15rem
    ),
    linear-gradient(180deg, var(--admin-sidebar), var(--admin-sidebar-deep));
  box-shadow: 12px 0 36px rgba(9, 33, 25, 0.1);
}

.admin-sidebar__brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 3px 5px 17px;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: #fff;
  text-decoration: none;
}

.admin-brand:hover {
  color: #fff;
}

.admin-brand__mark {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 14px;
  color: #0d2b20;
  background: linear-gradient(135deg, #36d98b, #9ce3c2);
  box-shadow: 0 12px 28px rgba(25, 202, 118, 0.22);
  font-size: 20px;
  font-weight: 900;
}

.admin-brand__copy {
  display: grid;
  min-width: 0;
}

.admin-brand__copy strong {
  font-size: 16px;
  letter-spacing: 0.03em;
}

.admin-brand__copy small {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 11px;
}

.admin-icon-button {
  display: inline-grid;
  width: 40px;
  height: 40px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  color: var(--admin-ink);
  background: #fff;
  cursor: pointer;
  transition:
    background var(--admin-ease),
    border-color var(--admin-ease),
    transform var(--admin-ease);
}

.admin-icon-button:hover {
  border-color: #a9cdbb;
  background: var(--admin-primary-soft);
  transform: translateY(-1px);
}

.admin-sidebar__close {
  display: none;
  border-color: rgba(255, 255, 255, 0.15);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.admin-nav-search {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  margin-bottom: 15px;
  padding: 9px 11px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 13px;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.07);
  transition:
    border-color var(--admin-ease),
    background var(--admin-ease);
}

.admin-nav-search:focus-within {
  border-color: rgba(106, 224, 164, 0.55);
  background: rgba(255, 255, 255, 0.1);
}

.admin-nav-search input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  color: #fff;
  background: transparent;
  font: inherit;
}

.admin-nav-search input::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

.admin-nav-search kbd {
  min-width: 22px;
  padding: 2px 6px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: none;
  font-size: 10px;
  text-align: center;
}

.admin-nav {
  min-height: 0;
  flex: 1;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
  scrollbar-width: thin;
}

.admin-nav-group {
  --admin-nav-kind: #34d399;
  --admin-nav-kind-rgb: 52, 211, 153;
  margin-bottom: 8px;
  border: 1px solid transparent;
  border-radius: 15px;
  transition:
    border-color var(--admin-ease),
    background var(--admin-ease);
}

.admin-nav-group[data-admin-nav-kind="panels"] {
  --admin-nav-kind: #38bdf8;
  --admin-nav-kind-rgb: 56, 189, 248;
}

.admin-nav-group[data-admin-nav-kind="technology"] {
  --admin-nav-kind: #a78bfa;
  --admin-nav-kind-rgb: 167, 139, 250;
}

.admin-nav-group[data-admin-nav-kind="objects"] {
  --admin-nav-kind: #34d399;
  --admin-nav-kind-rgb: 52, 211, 153;
}

.admin-nav-group[data-admin-nav-kind="tools"] {
  --admin-nav-kind: #fb923c;
  --admin-nav-kind-rgb: 251, 146, 60;
}

.admin-nav-group.is-expanded {
  border-color: rgba(var(--admin-nav-kind-rgb), 0.18);
  background: rgba(255, 255, 255, 0.035);
}

.admin-nav-group__toggle {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto 14px;
  align-items: center;
  gap: 9px;
  width: 100%;
  min-height: 58px;
  padding: 8px 10px;
  border: 0;
  border-radius: 14px;
  color: rgba(255, 255, 255, 0.78);
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    color var(--admin-ease),
    background var(--admin-ease);
}

.admin-nav-group__toggle:hover,
.admin-nav-group__toggle:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
}

.admin-nav-group__toggle:focus-visible {
  outline: 2px solid rgba(var(--admin-nav-kind-rgb), 0.7);
  outline-offset: -2px;
}

.admin-nav-group__icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(var(--admin-nav-kind-rgb), 0.22);
  border-radius: 10px;
  color: var(--admin-nav-kind);
  background: rgba(var(--admin-nav-kind-rgb), 0.1);
  font-size: 16px;
}

.admin-nav-group__copy {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.admin-nav-group__copy strong {
  overflow: hidden;
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.01em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-nav-group__copy small {
  overflow: hidden;
  color: rgba(255, 255, 255, 0.38);
  font-size: 9px;
  font-weight: 520;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-nav-group__count {
  min-width: 21px;
  padding: 2px 6px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.52);
  background: rgba(255, 255, 255, 0.07);
  font-size: 9px;
  font-weight: 750;
  text-align: center;
}

.admin-nav-group__chevron {
  color: rgba(255, 255, 255, 0.35);
  font-size: 10px;
  transition:
    transform var(--admin-ease),
    color var(--admin-ease);
}

.admin-nav-group.is-expanded .admin-nav-group__chevron {
  color: var(--admin-nav-kind);
  transform: rotate(180deg);
}

.admin-nav-group__items {
  display: none;
  gap: 10px;
  margin: 0 8px 8px;
  padding: 9px 0 2px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.admin-nav-group.is-expanded > .admin-nav-group__items {
  display: grid;
}

.admin-nav-domain {
  display: grid;
  gap: 3px;
}

.admin-nav-domain h3 {
  margin: 0;
  padding: 2px 9px 3px;
  color: rgba(255, 255, 255, 0.34);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.admin-nav-domain__items {
  display: grid;
  gap: 2px;
}

.admin-nav-item {
  position: relative;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 11px;
  color: rgba(255, 255, 255, 0.68);
  text-decoration: none;
  font-size: 13px;
  font-weight: 620;
  transition:
    color var(--admin-ease),
    background var(--admin-ease),
    border-color var(--admin-ease);
}

.admin-nav-item > i:first-child {
  color: rgba(255, 255, 255, 0.48);
  font-size: 15px;
  text-align: center;
}

.admin-nav-item small {
  padding: 2px 6px;
  border-radius: 999px;
  color: #8ce1b3;
  background: rgba(34, 197, 94, 0.12);
  font-size: 9px;
  font-weight: 700;
}

.admin-nav-item__external {
  color: rgba(255, 255, 255, 0.34);
  font-size: 11px;
}

.admin-nav-item:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.admin-nav-item:hover > i:first-child,
.admin-nav-item.is-active > i:first-child {
  color: currentColor;
}

.admin-nav-item.is-active {
  border-color: rgba(var(--admin-nav-kind-rgb, 52, 211, 153), 0.24);
  color: #fff;
  background: linear-gradient(
    90deg,
    rgba(var(--admin-nav-kind-rgb, 52, 211, 153), 0.75),
    rgba(var(--admin-nav-kind-rgb, 52, 211, 153), 0.38)
  );
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.16);
}

.admin-nav-item[hidden],
.admin-nav-domain[hidden],
.admin-nav-group[hidden] {
  display: none;
}

.admin-nav-empty {
  margin: 24px 8px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 12px;
  text-align: center;
}

.admin-sidebar__footer {
  padding-top: 11px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.admin-nav-item--logout {
  color: rgba(255, 255, 255, 0.58);
}

.admin-nav-item--logout:hover {
  color: #ffd2cd;
  background: rgba(231, 76, 60, 0.1);
}

.admin-sidebar__footer p {
  margin: 9px 10px 0;
  color: rgba(255, 255, 255, 0.25);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.admin-workspace {
  display: flex;
  min-width: 0;
  min-height: 100vh;
  flex-direction: column;
}

.admin-topbar {
  position: sticky;
  z-index: 1000;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 92px;
  padding: 15px clamp(18px, 2.5vw, 40px);
  border-bottom: 1px solid rgba(207, 222, 214, 0.78);
  background: rgba(247, 250, 248, 0.88);
  backdrop-filter: blur(16px);
}

.admin-topbar__start,
.admin-topbar__actions,
.admin-account {
  display: flex;
  align-items: center;
}

.admin-topbar__start {
  min-width: 0;
  gap: 14px;
}

.admin-topbar__actions {
  flex: 0 0 auto;
  gap: 10px;
}

.admin-menu-button {
  display: none;
  flex: 0 0 40px;
}

.admin-page-heading {
  min-width: 0;
}

.admin-page-heading__section {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 2px;
  color: var(--admin-primary-strong);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.admin-page-heading__section i {
  color: var(--admin-border);
  font-style: normal;
}

.admin-page-heading__domain {
  color: var(--admin-muted);
  font-weight: 720;
}

.admin-page-heading h1 {
  margin: 0;
  color: var(--admin-ink);
  font-size: clamp(20px, 2vw, 27px);
  font-weight: 850;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.admin-page-heading p {
  max-width: 720px;
  margin: 4px 0 0;
  overflow: hidden;
  color: var(--admin-muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 40px;
  padding: 8px 13px;
  border: 1px solid transparent;
  border-radius: 11px;
  text-decoration: none;
  font-weight: 700;
  transition:
    color var(--admin-ease),
    background var(--admin-ease),
    border-color var(--admin-ease),
    transform var(--admin-ease),
    box-shadow var(--admin-ease);
}

.admin-btn:hover {
  transform: translateY(-1px);
}

.admin-btn--secondary {
  border-color: var(--admin-border);
  color: #3f5b50;
  background: #fff;
  box-shadow: var(--admin-shadow-sm);
}

.admin-btn--secondary:hover {
  border-color: #a9cdbb;
  color: var(--admin-primary-strong);
  background: var(--admin-primary-soft);
}

.admin-account {
  gap: 9px;
  padding: 5px 8px 5px 5px;
  border: 1px solid var(--admin-border);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.78);
}

.admin-account__avatar {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(135deg, var(--admin-primary), #36bc82);
  font-weight: 850;
}

.admin-account__copy {
  display: grid;
  max-width: 130px;
}

.admin-account__copy small {
  color: var(--admin-muted);
  font-size: 9px;
}

.admin-account__copy strong {
  overflow: hidden;
  color: var(--admin-ink);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-main {
  width: 100%;
  max-width: var(--admin-content-max);
  margin: 0 auto;
  padding: clamp(18px, 2.4vw, 38px);
  flex: 1;
  outline: 0;
}

.admin-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(18px, 2.5vw, 40px) 22px;
  color: #829089;
  font-size: 10px;
}

.admin-nav-backdrop {
  display: none;
}

/* Shared control language for legacy Bootstrap pages. */
.admin-main .btn,
.admin-main button,
.admin-main input,
.admin-main select,
.admin-main textarea {
  font-family: inherit;
}

.admin-main .btn:not(.btn-link) {
  border-radius: 10px;
  font-weight: 650;
}

.admin-main .btn-primary {
  border-color: var(--admin-primary);
  background-color: var(--admin-primary);
}

.admin-main .btn-primary:hover,
.admin-main .btn-primary:focus {
  border-color: var(--admin-primary-strong);
  background-color: var(--admin-primary-strong);
}

.admin-main .btn-outline-primary {
  border-color: var(--admin-primary);
  color: var(--admin-primary-strong);
}

.admin-main .btn-outline-primary:hover {
  color: #fff;
  background: var(--admin-primary);
}

.admin-main .form-control,
.admin-main .form-select,
.admin-main .input-group-text {
  min-height: 42px;
  border-color: #d7e2dc;
  border-radius: 10px;
}

.admin-main .form-control:focus,
.admin-main .form-select:focus {
  border-color: #72bd98;
  box-shadow: 0 0 0 3px rgba(7, 152, 88, 0.12);
}

.admin-main .card,
.admin-main .wechat-panel {
  border-color: var(--admin-border);
  box-shadow: var(--admin-shadow-sm);
}

.admin-main .table {
  --bs-table-hover-bg: #f4faf7;
  color: var(--admin-ink);
}

.admin-main .table > :not(caption) > * > * {
  border-bottom-color: #e6ede9;
}

.admin-main .table thead th {
  color: #52665d;
  font-size: 11px;
  font-weight: 780;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.admin-main .alert {
  border: 0;
  border-radius: 13px;
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid rgba(24, 155, 95, 0.28);
  outline-offset: 2px;
}

@media (max-width: 1180px) {
  :root {
    --admin-sidebar-width: 264px;
  }

  .admin-account__copy,
  .admin-topbar__actions .admin-btn span {
    display: none;
  }

  .admin-account {
    padding-right: 5px;
  }
}

@media (max-width: 960px) {
  .admin-app {
    display: block;
  }

  .admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: min(88vw, 310px);
    transform: translateX(-105%);
    transition: transform 220ms ease;
  }

  .admin-nav-open .admin-sidebar {
    transform: translateX(0);
  }

  .admin-sidebar__close,
  .admin-menu-button {
    display: inline-grid;
  }

  .admin-nav-backdrop {
    position: fixed;
    z-index: 1030;
    inset: 0;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    background: rgba(5, 24, 17, 0.48);
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms ease;
  }

  .admin-nav-open .admin-nav-backdrop {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }

  body.admin-nav-open {
    overflow: hidden;
  }

  .admin-topbar {
    min-height: 78px;
  }
}

@media (max-width: 680px) {
  .admin-topbar {
    align-items: flex-start;
    padding: 12px 14px;
  }

  .admin-topbar__start {
    align-items: flex-start;
  }

  .admin-topbar__actions {
    gap: 6px;
  }

  .admin-page-heading__section,
  .admin-page-heading p,
  .admin-account {
    display: none;
  }

  .admin-page-heading h1 {
    margin-top: 7px;
    font-size: 19px;
  }

  .admin-btn {
    width: 40px;
    min-height: 40px;
    padding: 0;
  }

  .admin-main {
    padding: 14px;
  }

  .admin-footer {
    display: none;
  }

  .wechat-list {
    padding: 14px;
    border-radius: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}