.teacher-page{background:#f3f6fa;color:#172536;display:block;overflow:auto;height:auto;font-family:"Microsoft YaHei",system-ui,sans-serif}.teacher-header{background:#142d43;color:white;padding:32px max(24px,calc((100vw - 1240px)/2));display:flex;justify-content:space-between;align-items:center;gap:20px}.teacher-header h1{font-size:28px;color:white;margin:7px 0}.teacher-header p{color:#bfd0df;font-size:14px}.eyebrow{font-size:11px;letter-spacing:1.8px;color:#83bfc6;font-weight:700}.header-actions{display:flex;gap:10px;align-items:center}.teacher-header .btn{background:#284459;border:1px solid #4b6173;color:white;text-decoration:none;white-space:nowrap}.teacher-main{max-width:1288px;padding:28px 24px 70px;margin:auto}.auth-card{max-width:430px;background:white;border:1px solid #dce4eb;border-radius:16px;margin:24px auto;padding:32px;box-shadow:0 10px 35px #142d430a}.auth-card h2{margin:10px 0}.auth-card label,#reset-dialog label{display:block;font-size:13px;margin:17px 0 7px}.auth-card .input,#reset-dialog .input{display:block;width:100%;margin-top:7px}.auth-card button{width:100%;margin-top:20px}.workspace-heading,.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}.workspace-heading h2,.section-heading h2{font-size:19px}.class-panel{background:#fff;padding:20px;border-radius:12px;border:1px solid #dce4eb}.class-form{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.class-form label{font-size:13px;font-weight:700}.class-form input{max-width:280px}.class-cards{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}.class-card{border:1px solid #c9dadd;border-radius:10px;padding:15px;background:#f2f9f9;min-width:240px;flex:1}.class-card strong{font-size:14px}.class-code{font-size:24px;letter-spacing:4px;font-weight:700;color:#087f8c;margin:8px 0}.class-card .btn{margin:8px 5px 0 0}.filter-bar{display:flex;align-items:end;gap:14px;flex-wrap:wrap;margin:22px 0 10px}.filter-bar label{font-size:12px;color:#526476}.filter-bar input,.filter-bar select{display:block;min-width:180px;margin-top:6px}.teacher-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}.teacher-stat{background:white;border:1px solid #dce4eb;border-radius:12px;padding:18px}.teacher-stat span{font-size:12px;color:#617384}.teacher-stat b{display:block;margin-top:6px;font-size:28px;color:#183d52}.dashboard-card{background:#fff;border:1px solid #dce4eb;border-radius:12px;padding:20px;margin:18px 0}.teacher-empty{padding:32px;text-align:center;color:#64748b;line-height:1.8}.issue-row{display:flex;gap:14px;align-items:start;border-top:1px solid #edf0f4;padding:13px 0}.issue-badge{background:#fff0eb;color:#a43d23;border-radius:7px;padding:6px 10px;white-space:nowrap;font-size:12px}.issue-content{flex:1}.issue-content h3{font-size:13px;margin:0 0 5px}.issue-content p{font-size:12px;line-height:1.6;color:#617384}.issue-count{font-size:12px;white-space:nowrap;text-align:right}.pill{display:inline-block;padding:3px 8px;border-radius:20px;font-size:11px;background:#eef2f6;color:#526476}.pill.ok{background:#e1f4ec;color:#087554}.pill.bad{background:#ffebe5;color:#b54629}.pill.wait{background:#fff6d8;color:#8e6a14}#student-dialog{width:min(1040px,94vw);max-height:90vh;overflow:auto;border:1px solid #dce4eb;border-radius:14px;padding:24px}#reset-dialog{width:min(440px,94vw);border:1px solid #dce4eb;border-radius:14px;padding:26px}dialog::backdrop{background:#142d4388}.dialog-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;gap:12px}.dialog-header h2{font-size:18px}.detail-question{border-top:1px solid #e2e8f0;padding:14px 0;font-size:13px;line-height:1.8}.detail-question h4{margin-bottom:5px}.detail-issues{color:#aa4227}.detail-answer{color:#087554}#teacher-toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#142d43;color:white;padding:12px 20px;border-radius:10px;display:none;z-index:100}.teacher-page table{font-size:12px}.teacher-page td{vertical-align:top}.teacher-page .btn{cursor:pointer}.detail-controls{margin:20px 0;display:flex;gap:12px;align-items:center;flex-wrap:wrap}@media(max-width:760px){.teacher-header{padding:22px 18px;align-items:start;flex-direction:column}.teacher-header h1{font-size:23px}.teacher-main{padding:18px 12px 50px}.teacher-stats{grid-template-columns:repeat(2,1fr)}.class-form input{max-width:none;width:100%}.class-card{min-width:220px}.issue-row{flex-wrap:wrap}.issue-content{min-width:65%}.issue-count{text-align:left}.dashboard-card{padding:15px}.auth-card{padding:24px}.teacher-page .table-wrap{overflow-x:auto}}
#issue-list{max-height:420px;overflow-y:auto;scrollbar-gutter:stable}.teacher-stat b{font-variant-numeric:tabular-nums}

#attempt-panel .history-question-wrap{max-height:360px;overflow:auto}#attempt-panel td:first-child{min-width:150px;max-width:460px;white-space:normal}#attempt-panel th{position:sticky;top:0;background:#f3f6fa;z-index:1}#attempt-panel .input{max-width:100%}details.detail-question summary{cursor:pointer;font-weight:600}