/* ==========================================
   Campus-Service-Platform 培训认证标准 UI 系统
   ========================================== */

.campus-nav-tab-bar {
  display: inline-flex;
  background: #f1f5f9;
  padding: 4px;
  border-radius: 10px;
  gap: 4px;
  margin-bottom: 20px;
}

.campus-nav-tab {
  padding: 8px 20px;
  font-size: 13.5px;
  font-weight: 600;
  color: #64748b;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.campus-nav-tab:hover {
  color: #1e293b;
}

.campus-nav-tab.active {
  background: #ffffff;
  color: #2563eb;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

/* 资料卡片 (图1) */
.campus-mat-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 20px;
  border: 1px solid #eef2f6;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s;
}

.campus-mat-card:hover {
  box-shadow: 0 6px 16px rgba(0,0,0,0.05);
  border-color: #cbd5e1;
}

.campus-level-pill-blue {
  background: #2563eb;
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}

.campus-level-pill-cyan {
  background: #0284c7;
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}

.campus-attach-box {
  background: #f8fafc;
  border-radius: 8px;
  padding: 12px 14px;
  margin: 14px 0;
  display: block;
  font-size: 12px;
}

/* 试卷库与题库左侧导航项 (图2) */
.campus-qbank-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1.5px solid #e2e8f0;
  background: #ffffff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  color: #334155;
  transition: all 0.2s;
}

.campus-qbank-item:hover {
  border-color: #93c5fd;
  background: #f8fafc;
}

.campus-qbank-item.active {
  border-color: #2563eb;
  background: #eff6ff;
  color: #2563eb;
}

.campus-qbank-count {
  background: #e2e8f0;
  color: #475569;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}

.campus-qbank-item.active .campus-qbank-count {
  background: #2563eb;
  color: #ffffff;
}

/* 题目展示项 */
.campus-question-block {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.campus-option-item {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 8px;
  font-size: 13px;
  color: #334155;
}

/* 沙盒与批阅 (图3 & 图4) */
.campus-sandbox-paper-card {
  padding: 14px 16px;
  border-radius: 8px;
  border: 1.5px solid #e2e8f0;
  background: #ffffff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.campus-sandbox-paper-card.active {
  border-color: #2563eb;
  background: #eff6ff;
}

.campus-review-item {
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  cursor: pointer;
  margin-bottom: 10px;
  transition: all 0.2s;
}

.campus-review-item:hover, .campus-review-item.active {
  border-color: #2563eb;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
}