mobile app chat contest_detail exam_detail exam_list themes

app.py

@@ -151,10 +151,15 @@ def decrypt_questions(encrypted_str):
     return decrypted.decode('utf-8')
 
 def get_exam_questions(exam):
-    """统一获取考试题目（自动处理加密）"""
+    """统一获取考试题目（自动处理加密，确保每题有id）"""
     if exam.is_encrypted and exam.encrypted_questions:
-        return json.loads(decrypt_questions(exam.encrypted_questions))
+        questions = json.loads(decrypt_questions(exam.encrypted_questions))
-    return exam.get_questions()
+    else:
+        questions = exam.get_questions()
+    for i, q in enumerate(questions):
+        if 'id' not in q:
+            q['id'] = i + 1
+    return questions
 
 def teacher_required(f):
     @wraps(f)
@@ -580,9 +585,11 @@ def exam_list():
         Exam.creator_id == user.get('id')
     )
     # 杯赛负责人和杯赛老师可见其杯赛下的所有考试（用于批改）
-    cup_member_contest_ids = [m.contest_id for m in ContestMembership.query.filter_by(
+    user_contest_memberships = ContestMembership.query.filter_by(
         user_id=user.get('id')).filter(
-        ContestMembership.role.in_(['owner', 'teacher'])).all()]
+        ContestMembership.role.in_(['owner', 'teacher'])).all()
+    cup_member_contest_ids = [m.contest_id for m in user_contest_memberships]
+    cup_owner_contest_ids = [m.contest_id for m in user_contest_memberships if m.role == 'owner']
     if cup_member_contest_ids:
         base_filter = or_(base_filter, Exam.contest_id.in_(cup_member_contest_ids))
     query = query.filter(base_filter)
@@ -595,6 +602,15 @@ def exam_list():
         )
     all_exams = query.all()
 
+    now = datetime.now()
+    changed = False
+    for exam in all_exams:
+        if exam.status == 'available' and exam.scheduled_end and now > exam.scheduled_end:
+            exam.status = 'closed'
+            changed = True
+    if changed:
+        db.session.commit()
+
     all_subjects = db.session.query(Exam.subject).distinct().all()
     all_subjects = [s[0] for s in all_subjects if s[0]]
 
@@ -612,7 +628,9 @@ def exam_list():
         user_submissions=user_submissions,
         search_query=search_query,
         subject_filter=subject_filter,
-        all_subjects=all_subjects
+        all_subjects=all_subjects,
+        now=now,
+        cup_owner_contest_ids=cup_owner_contest_ids
     )
 
 @app.route('/exams/create')
@@ -655,12 +673,15 @@ def exam_detail(exam_id):
     draft = Draft.query.filter_by(exam_id=exam_id, user_id=user.get('id')).first()
     questions = get_exam_questions(exam)
     # 检查预定时间
-    now = datetime.utcnow()
+    now = datetime.now()
     schedule_status = 'available'  # available, not_started, ended
     if exam.scheduled_start and now < exam.scheduled_start:
         schedule_status = 'not_started'
     if exam.scheduled_end and now > exam.scheduled_end:
         schedule_status = 'ended'
+        if exam.status == 'available':
+            exam.status = 'closed'
+            db.session.commit()
     return render_template('exam_detail.html', exam=exam, questions=questions,
                            existing_submission=existing, draft=draft,
                            schedule_status=schedule_status, need_password=False)
@@ -677,7 +698,7 @@ def exam_result(exam_id):
         return redirect(url_for('exam_detail', exam_id=exam_id))
     # 检查成绩公布时间
     score_hidden = False
-    if exam.score_release_time and datetime.utcnow() < exam.score_release_time:
+    if exam.score_release_time and datetime.now() < exam.score_release_time:
         if user.get('role') != 'teacher' and user.get('role') != 'admin':
             score_hidden = True
     questions = get_exam_questions(exam)
@@ -1315,6 +1336,11 @@ def api_notifications():
                 item['contest_name'] = contest.name if contest else ''
                 applicant = User.query.get(ta.user_id)
                 item['applicant_name'] = applicant.name if applicant else ''
+        if n.type == 'exam_submission' and n.post_id:
+            sub = Submission.query.get(n.post_id)
+            if sub:
+                item['exam_id'] = sub.exam_id
+                item['submission_id'] = sub.id
         if n.type == 'friend_request' and n.post_id:
             fr = Friend.query.get(n.post_id)
             if fr:
@@ -1362,7 +1388,7 @@ def api_delete_notification(nid):
 @app.route('/notifications')
 @login_required
 def notifications_page():
-    return redirect(url_for('chat'))
+    return redirect(url_for('chat_page'))
 
 # ========== 系统公告管理 API ==========
 @app.route('/api/system-notifications')
@@ -2753,7 +2779,7 @@ def api_submit_exam(exam_id):
     if exam.status == 'closed':
         return jsonify({'success': False, 'message': '该考试已关闭'}), 400
     # 检查预定时间
-    now = datetime.utcnow()
+    now = datetime.now()
     if exam.scheduled_start and now < exam.scheduled_start:
         return jsonify({'success': False, 'message': '考试尚未开始'}), 400
     if exam.scheduled_end and now > exam.scheduled_end:
@@ -2761,73 +2787,78 @@ def api_submit_exam(exam_id):
     if Submission.query.filter_by(exam_id=exam_id, user_id=user.get('id')).first():
         return jsonify({'success': False, 'message': '您已提交过该试卷'}), 400
     data = request.get_json(force=True, silent=True)
+    if not data:
+        return jsonify({'success': False, 'message': '无效的请求数据'}), 400
     answers = data.get('answers', {})
-    score = 0
+    try:
-    auto_graded = True
+        score = 0
-    question_scores = {}
+        auto_graded = True
-    questions = get_exam_questions(exam)
+        question_scores = {}
+        questions = get_exam_questions(exam)
         
-    # AI批改客观题
+        for q in questions:
-    for q in questions:
+            qid = str(q.get('id', ''))
-        qid = str(q['id'])
+            q_score = q.get('score', 0) or 0
-        if q['type'] == 'choice':
+            if q.get('type') == 'choice':
-            # 选择题：精确匹配
+                if answers.get(qid) == q.get('answer'):
-            if answers.get(qid) == q.get('answer'):
+                    score += q_score
-                score += q.get('score', 0)
+                    question_scores[qid] = q_score
-                question_scores[qid] = q.get('score', 0)
+                else:
+                    question_scores[qid] = 0
+            elif q.get('type') == 'fill':
+                student_answer = (answers.get(qid) or '').strip()
+                correct_answer = (q.get('answer') or '').strip()
+
+                correct_answers = [a.strip() for a in correct_answer.split('|')] if correct_answer else []
+                if correct_answers and student_answer in correct_answers:
+                    score += q_score
+                    question_scores[qid] = q_score
+                elif correct_answers and student_answer.lower() in [a.lower() for a in correct_answers]:
+                    score += q_score
+                    question_scores[qid] = q_score
+                else:
+                    auto_graded = False
+                    question_scores[qid] = 0
+            elif q.get('type') == 'judge':
+                if answers.get(qid) == q.get('answer'):
+                    score += q_score
+                    question_scores[qid] = q_score
+                else:
+                    question_scores[qid] = 0
             else:
+                auto_graded = False
                 question_scores[qid] = 0
-        elif q['type'] == 'fill':
-            # 填空题：使用AI智能判断
-            student_answer = answers.get(qid, '').strip()
-            correct_answer = q.get('answer', '').strip()
         
-            # 先尝试精确匹配（支持多个正确答案，用|分隔）
+        sub = Submission(
-            correct_answers = [a.strip() for a in correct_answer.split('|')]
+            exam_id=exam_id,
-            if student_answer in correct_answers:
+            user_id=user.get('id'),
-                score += q.get('score', 0)
+            score=score,
-                question_scores[qid] = q.get('score', 0)
+            graded=auto_graded,
-            else:
+            graded_by='AI自动批改' if auto_graded else ''
-                # 使用AI判断答案是否正确
+        )
-                ai_score = ai_grade_fill_question(q.get('content', ''), correct_answer, student_answer, q.get('score', 0))
+        sub.set_answers(answers)
-                score += ai_score
+        sub.set_question_scores(question_scores)
-                question_scores[qid] = ai_score
+        db.session.add(sub)
-        elif q['type'] == 'judge':
+        Draft.query.filter_by(exam_id=exam_id, user_id=user.get('id')).delete()
-            # 判断题：精确匹配
+        db.session.commit()
-            if answers.get(qid) == q.get('answer'):
+    except Exception as e:
-                score += q.get('score', 0)
+        db.session.rollback()
-                question_scores[qid] = q.get('score', 0)
+        app.logger.error(f'考试提交失败: exam_id={exam_id}, user_id={user.get("id")}, error={str(e)}')
-            else:
+        return jsonify({'success': False, 'message': '提交处理失败，请重试'}), 500
-                question_scores[qid] = 0
-        else:
-            # 主观题需要人工批改
-            auto_graded = False
-            question_scores[qid] = 0
-    
-    sub = Submission(
-        exam_id=exam_id,
-        user_id=user.get('id'),
-        score=score,
-        graded=auto_graded,
-        graded_by='AI自动批改' if auto_graded else ''
-    )
-    sub.set_answers(answers)
-    sub.set_question_scores(question_scores)
-    db.session.add(sub)
-    Draft.query.filter_by(exam_id=exam_id, user_id=user.get('id')).delete()
-    db.session.commit()
     
     # 如果有主观题，通知老师批改
-    if not auto_graded and exam.contest_id:
+    try:
-        contest = Contest.query.get(exam.contest_id)
+        if not auto_graded and exam.contest_id:
-        if contest:
+            contest = Contest.query.get(exam.contest_id)
-            # 通知杯赛负责人和老师
+            if contest:
-            memberships = ContestMembership.query.filter_by(contest_id=exam.contest_id).all()
+                memberships = ContestMembership.query.filter_by(contest_id=exam.contest_id).all()
-            for m in memberships:
+                for m in memberships:
-                if m.role in ('owner', 'teacher'):
+                    if m.role in ('owner', 'teacher'):
-                    add_notification(m.user_id, 'exam_submission',
+                        add_notification(m.user_id, 'exam_submission',
-                        f'考生 {user.get("name")} 提交了考试「{exam.title}」，请批改主观题。',
+                            f'考生 {user.get("name")} 提交了考试「{exam.title}」，请批改主观题。',
-                        from_user=user.get('name', ''), post_id=sub.id)
+                            from_user=user.get('name', ''), post_id=sub.id)
+    except Exception:
+        pass
     
     return jsonify({'success': True, 'message': '提交成功', 'submission_id': sub.id})
 
@@ -2861,13 +2892,23 @@ def api_grade_submission(exam_id, sub_id):
 @app.route('/api/exams/<int:exam_id>/status', methods=['POST'])
 def api_update_exam_status(exam_id):
     user = session.get('user')
-    if not user or user.get('role') not in ('teacher', 'admin'):
+    if not user:
         return jsonify({'success': False, 'message': '无权限'}), 403
     exam = Exam.query.get(exam_id)
     if not exam:
         return jsonify({'success': False, 'message': '试卷不存在'}), 404
-    if exam.creator_id != user.get('id'):
+    has_permission = False
-        return jsonify({'success': False, 'message': '只能修改自己创建的试卷'}), 403
+    if user.get('role') == 'admin':
+        has_permission = True
+    elif user.get('role') == 'teacher' and exam.creator_id == user.get('id'):
+        has_permission = True
+    elif exam.contest_id:
+        membership = ContestMembership.query.filter_by(
+            user_id=user['id'], contest_id=exam.contest_id).first()
+        if membership and membership.role == 'owner':
+            has_permission = True
+    if not has_permission:
+        return jsonify({'success': False, 'message': '无权限修改该试卷状态'}), 403
     data = request.get_json(force=True, silent=True)
     new_status = data.get('status', '')
     if new_status not in ('available', 'closed'):
@@ -2915,13 +2956,23 @@ def api_update_exam_visibility(exam_id):
 @app.route('/api/exams/<int:exam_id>', methods=['DELETE'])
 def api_delete_exam(exam_id):
     user = session.get('user')
-    if not user or user.get('role') not in ('teacher', 'admin'):
+    if not user:
         return jsonify({'success': False, 'message': '无权限'}), 403
     exam = Exam.query.get(exam_id)
     if not exam:
         return jsonify({'success': False, 'message': '试卷不存在'}), 404
-    if exam.creator_id != user.get('id'):
+    has_permission = False
-        return jsonify({'success': False, 'message': '只能删除自己创建的试卷'}), 403
+    if user.get('role') == 'admin':
+        has_permission = True
+    elif user.get('role') == 'teacher' and exam.creator_id == user.get('id'):
+        has_permission = True
+    elif exam.contest_id:
+        membership = ContestMembership.query.filter_by(
+            user_id=user['id'], contest_id=exam.contest_id).first()
+        if membership and membership.role == 'owner':
+            has_permission = True
+    if not has_permission:
+        return jsonify({'success': False, 'message': '无权限删除该试卷'}), 403
     Submission.query.filter_by(exam_id=exam_id).delete()
     Draft.query.filter_by(exam_id=exam_id).delete()
     db.session.delete(exam)
@@ -2993,6 +3044,14 @@ def api_contest_exams(contest_id):
     if user:
         membership = ContestMembership.query.filter_by(user_id=user['id'], contest_id=contest_id).first()
         is_owner = (membership and membership.role == 'owner') or user.get('role') == 'admin'
+    now = datetime.now()
+    changed = False
+    for e in exams:
+        if e.status == 'available' and e.scheduled_end and now > e.scheduled_end:
+            e.status = 'closed'
+            changed = True
+    if changed:
+        db.session.commit()
     data = []
     for e in exams:
         item = {
@@ -3234,11 +3293,14 @@ def api_create_exam_from_bank(contest_id):
         return jsonify({'success': False, 'message': '请填写标题并选择题目'}), 400
     # 从题库获取题目并转换为考试题目格式
     questions = []
+    q_idx = 0
     for qid in question_ids:
         item = QuestionBankItem.query.get(qid)
         if not item or item.contest_id != contest_id:
             continue
+        q_idx += 1
         q = {
+            'id': q_idx,
             'type': item.type,
             'content': item.content,
             'score': item.score,

templates/chat.html

@@ -80,7 +80,7 @@
             </div>
         </div>
         <!-- 聊天视图 -->
-        <div id="chatView" class="flex-1 hidden z-10 relative h-full">
+        <div id="chatView" class="flex-1 hidden flex-col z-10 relative h-full">
             <!-- 顶栏 -->
             <div id="chatHeader" class="px-6 py-4 border-b border-white/10 flex items-center justify-between bg-slate-800/60 backdrop-blur-xl flex-shrink-0 z-20">
                 <div class="flex items-center gap-3">
@@ -413,6 +413,7 @@ function renderNotifications() {
         const isResult = n.type === 'contest_result' || n.type === 'teacher_result';
         const isNewExam = n.type === 'contest_new_exam';
         const isGraded = n.type === 'exam_graded';
+        const isSubmission = n.type === 'exam_submission';
         const isSystem = n.type === 'system_announcement';
         const isPendingContest = isContestApp && n.application_status === 'pending';
         const isPendingTeacher = isTeacherApp && n.application_status === 'pending';
@@ -421,8 +422,8 @@ function renderNotifications() {
         if ((isContestApp || isTeacherApp) && n.application_status === 'approved') statusHtml = '<span class="text-xs text-green-600 font-medium">已批准</span>';
         else if ((isContestApp || isTeacherApp) && n.application_status === 'rejected') statusHtml = '<span class="text-xs text-red-600 font-medium">已拒绝</span>';
         else if (isFriendReq && n.application_status === 'accepted') statusHtml = '<span class="text-xs text-green-600 font-medium">已同意</span>';
-        const icon = isContestApp ? '📋' : isTeacherApp ? '👨‍🏫' : isFriendReq ? '👤' : isResult ? '📢' : isNewExam ? '📝' : isGraded ? '✅' : isSystem ? '📢' : '🔔';
+        const icon = isContestApp ? '📋' : isTeacherApp ? '👨‍🏫' : isFriendReq ? '👤' : isResult ? '📢' : isNewExam ? '📝' : isSubmission ? '📝' : isGraded ? '✅' : isSystem ? '📢' : '🔔';
-        const iconBg = isContestApp ? 'bg-orange-100' : isTeacherApp ? 'bg-purple-100' : isFriendReq ? 'bg-blue-100' : isResult ? 'bg-green-100' : isNewExam ? 'bg-indigo-100' : isGraded ? 'bg-emerald-100' : isSystem ? 'bg-amber-100' : 'bg-blue-100';
+        const iconBg = isContestApp ? 'bg-orange-100' : isTeacherApp ? 'bg-purple-100' : isFriendReq ? 'bg-blue-100' : isResult ? 'bg-green-100' : isNewExam ? 'bg-indigo-100' : isSubmission ? 'bg-amber-100' : isGraded ? 'bg-emerald-100' : isSystem ? 'bg-amber-100' : 'bg-blue-100';
         const clickAction = `showNotifDetail(${n.id})`;
         let actionsHtml = '';
         if (isPendingContest && currentUser.role === 'admin') {
@@ -584,13 +585,15 @@ function showNotifDetail(nid) {
         'teacher_application': '教师申请', 'teacher_result': '教师审核结果',
         'contest_application': '杯赛申请', 'contest_result': '杯赛通知',
         'contest_new_exam': '新考试', 'exam_graded': '成绩通知',
-        'system_announcement': '系统通知', 'friend_request': '好友申请'
+        'exam_submission': '待批改', 'system_announcement': '系统通知',
+        'friend_request': '好友申请'
     };
     const typeIcons = {
         'teacher_application': '👨‍🏫', 'teacher_result': '🎓',
         'contest_application': '📋', 'contest_result': '🏅',
         'contest_new_exam': '📝', 'exam_graded': '✅',
-        'system_announcement': '📢', 'friend_request': '👤'
+        'exam_submission': '📝', 'system_announcement': '📢',
+        'friend_request': '👤'
     };
 
     document.getElementById('notifDetailIcon').textContent = typeIcons[n.type] || '🔔';
@@ -611,8 +614,13 @@ function showNotifDetail(nid) {
             <button onclick="approveTeacher(${n.application_id})" class="px-4 py-2 text-sm bg-green-500 text-white rounded-md hover:bg-green-600">批准</button>
             <button onclick="rejectTeacher(${n.application_id})" class="px-4 py-2 text-sm bg-red-500 text-white rounded-md hover:bg-red-600">拒绝</button>
         </div>`;
+    } else if (n.type === 'exam_submission' && n.exam_id && n.submission_id) {
+        actHtml = `<a href="/exams/${n.exam_id}/grade/${n.submission_id}" class="btn-futuristic inline-flex items-center gap-2 px-5 py-2.5 text-sm font-medium">
+            <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"/></svg>
+            去批改
+        </a>`;
     } else if (n.type === 'contest_new_exam' || n.type === 'exam_graded') {
-        actHtml = `<a href="/exams/${n.post_id}" class="inline-block px-4 py-2 text-sm bg-primary text-white rounded-md hover:bg-blue-700">查看考试</a>`;
+        actHtml = `<a href="/exams/${n.post_id}" class="btn-futuristic inline-flex items-center gap-2 px-5 py-2.5 text-sm font-medium">查看考试</a>`;
     } else if (n.type === 'friend_request' && n.application_status === 'pending' && n.friend_request_id) {
         actHtml = `<div class="flex gap-3">
             <button onclick="acceptFriendReq(${n.friend_request_id},${n.id})" class="px-4 py-2 text-sm bg-green-500 text-white rounded-md hover:bg-green-600">同意</button>

templates/contest_detail.html

@@ -379,6 +379,7 @@ async function loadExams() {
             const statusText = e.status === 'available' ? '进行中' : '已关闭';
             const subCount = e.submission_count !== null ? `<span class="text-xs text-slate-400 ml-2">${e.submission_count}人提交</span>` : '';
             const removeBtn = isOwner ? `<button onclick="removeExam(${e.id}, '${escapeHtml(e.title)}')" class="ml-2 px-2 py-1 text-xs text-red-600 border border-red-300 rounded hover:bg-red-50">移除</button>` : '';
+            const toggleBtn = isOwner ? (e.status === 'available' ? `<button onclick="toggleExamStatus(${e.id}, 'closed')" class="ml-2 px-2 py-1 text-xs text-orange-600 border border-orange-300 rounded hover:bg-orange-50">关闭考试</button>` : `<button onclick="toggleExamStatus(${e.id}, 'available')" class="ml-2 px-2 py-1 text-xs text-green-600 border border-green-300 rounded hover:bg-green-50">开放考试</button>`) : '';
             html += `<div class="flex items-center justify-between p-3 border border-slate-200 rounded-lg hover:bg-slate-50">
                 <div class="flex-1 min-w-0">
                     <div class="flex items-center gap-2">
@@ -391,7 +392,7 @@ async function loadExams() {
                 <div class="flex items-center gap-2 ml-3 shrink-0">
                     <a href="/exams/${e.id}" class="px-3 py-1 text-xs font-medium text-cyan-400 border border-primary rounded hover:bg-blue-50">进入考试</a>
                     ${isMember ? `<a href="/exams/${e.id}/submissions" class="px-3 py-1 text-xs font-medium text-amber-500 border border-amber-400 rounded hover:bg-amber-50">批改</a>` : ''}
-                    ${removeBtn}
+                    ${toggleBtn}${removeBtn}
                 </div>
             </div>`;
         });
@@ -415,6 +416,20 @@ async function removeExam(examId, title) {
     } catch(e) { alert('网络错误'); }
 }
 
+// 切换考试状态（关闭/开放）
+function toggleExamStatus(examId, status) {
+    const label = status === 'closed' ? '关闭' : '开放';
+    if (!confirm(`确定${label}该考试？`)) return;
+    fetch(`/api/exams/${examId}/status`, {
+        method: 'POST',
+        headers: {'Content-Type': 'application/json'},
+        body: JSON.stringify({ status: status })
+    }).then(r => r.json()).then(data => {
+        if (data.success) { loadExams(); }
+        else { alert(data.message); }
+    }).catch(() => alert('操作失败'));
+}
+
 // 导入考试弹窗
 function showImportModal() {
     document.getElementById('import-exam-modal').classList.remove('hidden');

templates/exam_detail.html

@@ -288,7 +288,7 @@ async function examUploadFiles(files, qid) {
 function initAnswers() {
     // 优先从服务器草稿恢复
     {% if draft %}
-    const serverDraft = {{ draft.answers | tojson }};
+    const serverDraft = {{ draft.get_answers() | tojson }};
     if (serverDraft && typeof serverDraft === 'object' && Object.keys(serverDraft).length > 0) {
         answers = serverDraft;
         restoreAnswersToForm();

templates/exam_list.html

@@ -110,6 +110,8 @@
 
                     {% if exam.status == 'closed' %}
                     <span class="badge-futuristic absolute top-4 right-4 bg-slate-900/50 backdrop-blur-md text-slate-300 border-slate-700/50">已关闭</span>
+                    {% elif exam.scheduled_end and now and now > exam.scheduled_end %}
+                    <span class="badge-futuristic absolute top-4 right-4 bg-slate-900/50 backdrop-blur-md text-slate-300 border-slate-700/50">已结束</span>
                     {% else %}
                     <span class="badge-futuristic absolute top-4 right-4 bg-white/90 backdrop-blur-md text-cyan-600 border-cyan-500/30">
                         <span class="w-1.5 h-1.5 rounded-full bg-cyan-500 mr-1.5 animate-pulse"></span>进行中
@@ -198,7 +200,7 @@
                         <a href="/exams/{{ exam.id }}/submissions" class="px-3 py-1.5 bg-slate-800/50 text-slate-300 hover:bg-slate-700/50 hover:text-slate-200 rounded-lg text-xs font-medium transition-colors border border-cyan-500/30">提交情况</a>
                         <a href="/exams/{{ exam.id }}/print" class="px-3 py-1.5 bg-slate-800/50 text-slate-300 hover:bg-slate-700/50 hover:text-slate-200 rounded-lg text-xs font-medium transition-colors border border-cyan-500/30">打印试卷</a>
 
-                        {% if user.role == 'admin' or exam.creator_id == user.id %}
+                        {% if user.role == 'admin' or exam.creator_id == user.id or (exam.contest_id and exam.contest_id in cup_owner_contest_ids) %}
                             {% if exam.status == 'available' %}
                             <button onclick="toggleExamStatus({{ exam.id }}, 'closed')" class="px-3 py-1.5 bg-orange-500/20 text-orange-400 hover:bg-orange-500/30 rounded-lg text-xs font-medium transition-colors border border-orange-500/30">关闭考试</button>
                             {% else %}