/* ========================================
   教务处 · 机构设置补充样式
   ======================================== */

/* 基本建设 · 多级目录 */
.aa-construction-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 20px;
  align-items: start;
}

.aa-tree-panel {
  background: #fff;
  border: 1px solid #eee5e2;
  border-radius: 4px;
  overflow: hidden;
  position: sticky;
  top: 24px;
}

.aa-tree-panel-head {
  padding: 12px 16px;
  background: var(--color-bg-pink);
  border-bottom: 1px solid #eee5e2;
  font-size: 14px;
  font-weight: bold;
  color: var(--color-primary);
}

.aa-tree-cats {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid #eee5e2;
}

.aa-tree-cat {
  padding: 10px 16px;
  font-size: 13px;
  color: #555;
  border: none;
  background: #fff;
  text-align: left;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.2s;
}

.aa-tree-cat:hover,
.aa-tree-cat.active {
  background: var(--color-bg-pink);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}

.aa-tree-subs {
  padding: 8px 0;
  max-height: 280px;
  overflow-y: auto;
}

.aa-tree-sub {
  display: block;
  width: 100%;
  padding: 8px 16px 8px 24px;
  font-size: 12px;
  color: #777;
  border: none;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.aa-tree-sub:hover,
.aa-tree-sub.active {
  color: var(--color-primary);
  background: #fafafa;
}

.aa-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.aa-gallery-card {
  background: #fff;
  border: 1px solid #eee5e2;
  border-radius: 4px;
  overflow: hidden;
  color: inherit;
  transition: box-shadow 0.2s;
}

.aa-gallery-card:hover {
  box-shadow: 0 6px 20px rgba(140, 28, 28, 0.08);
}

.aa-gallery-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.aa-gallery-body {
  padding: 14px 16px;
}

.aa-gallery-tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  background: rgba(140, 28, 28, 0.08);
  color: var(--color-primary);
  border-radius: 2px;
  margin-bottom: 8px;
}

.aa-gallery-body h4 {
  font-size: 14px;
  font-weight: normal;
  color: #333;
  line-height: 1.55;
  margin-bottom: 6px;
}

.aa-gallery-body p {
  font-size: 12px;
  color: #999;
  line-height: 1.65;
}

.aa-gallery-body time {
  display: block;
  font-size: 11px;
  color: #bbb;
  margin-top: 8px;
}

/* 教学运转 · 流程图 */
.aa-teaching-tabs {
  margin-bottom: 24px;
}

.aa-flow-card {
  border: 1px solid #eee5e2;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 24px;
}

.aa-flow-card-head {
  padding: 14px 20px;
  background: var(--color-primary);
  color: #fff;
}

.aa-flow-card-head h3 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: normal;
}

.aa-flow-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 20px;
  background: var(--color-bg-pink);
  border-bottom: 1px solid #eee5e2;
}

.aa-flow-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #555;
}

.aa-flow-step-num {
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

.aa-flow-step-arrow {
  color: #ccc;
  font-size: 12px;
}

.aa-flow-chart {
  padding: 20px;
  text-align: center;
  background: #fafafa;
}

.aa-flow-chart img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid #eee;
}

.aa-textbook-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.aa-textbook-item {
  padding: 16px 20px;
  border: 1px solid #eee5e2;
  border-radius: 4px;
  background: #fff;
}

.aa-textbook-item h4 {
  font-size: 14px;
  font-weight: normal;
  color: #333;
  margin-bottom: 8px;
}

.aa-textbook-item p {
  font-size: 13px;
  color: #666;
  line-height: 1.75;
}

.aa-textbook-item time {
  display: block;
  font-size: 12px;
  color: #bbb;
  margin-top: 8px;
}

/* 学籍管理 */
.aa-policy-type-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.aa-policy-type-tab {
  padding: 5px 12px;
  font-size: 12px;
  border: 1px solid #ddd;
  background: #fff;
  border-radius: 20px;
  cursor: pointer;
  color: #666;
}

.aa-policy-type-tab:hover,
.aa-policy-type-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.aa-policy-list .po-doc-item {
  cursor: default;
}

.aa-policy-type {
  flex-shrink: 0;
  padding: 2px 8px;
  font-size: 11px;
  background: rgba(140, 28, 28, 0.08);
  color: var(--color-primary);
  border-radius: 2px;
}

/* 资料下载 · 校历预览 */
.aa-calendar-preview {
  margin-top: 24px;
  padding: 20px;
  border: 1px solid #eee5e2;
  border-radius: 4px;
  background: #fafafa;
  display: none;
}

.aa-calendar-preview.visible {
  display: block;
}

.aa-calendar-preview h3 {
  font-size: 15px;
  color: var(--color-primary);
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.aa-calendar-preview img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid #eee;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.aa-doc-preview-btn {
  flex-shrink: 0;
  padding: 6px 14px;
  font-size: 12px;
  color: #666;
  border: 1px solid #ddd;
  border-radius: 3px;
  margin-right: 8px;
  cursor: pointer;
  background: #fff;
}

.aa-doc-preview-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* 组织架构 */
.aa-org-chart {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-bottom: 28px;
}

.aa-org-level {
  width: 100%;
  max-width: 480px;
  text-align: center;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid #eee5e2;
  border-top: 3px solid var(--color-primary);
  border-radius: 4px;
  position: relative;
}

.aa-org-level::after {
  content: "";
  display: block;
  width: 2px;
  height: 20px;
  background: #eee5e2;
  margin: 0 auto;
}

.aa-org-level:last-child::after {
  display: none;
}

.aa-org-level strong {
  display: block;
  font-size: 13px;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.aa-org-level span {
  font-size: 14px;
  color: #333;
}

@media (max-width: 992px) {
  .aa-construction-layout {
    grid-template-columns: 1fr;
  }

  .aa-tree-panel {
    position: static;
  }

  .aa-gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .aa-flow-steps {
    flex-direction: column;
  }

  .aa-flow-step-arrow {
    display: none;
  }
}

/* 列表 · 分页 */
.news-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #eee;
}

.page-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid #ddd;
  background: #fff;
  border-radius: 3px;
  cursor: pointer;
  font-size: 13px;
  color: #666;
  transition: all 0.2s;
}

.page-btn:hover:not(:disabled),
.page-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-info {
  font-size: 13px;
  color: #999;
  margin: 0 8px;
}