/* AI 题库模块样式（题库/错题库/组卷）—— 复用全局 .panel/.tabs/.btn/.badge/.table-wrap 体系 */
.ai-kb-filters{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:12px}
.ai-kb-filters .form-control,.ai-kb-filters input,.ai-kb-filters select{border:1px solid #d8e2eb;border-radius:8px;padding:8px 9px;background:#fff;font-size:12px;width:100%}
.ai-kb-batchbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;background:#f2f7ff;border:1px solid #d7e6fb;border-radius:10px;padding:8px 12px;margin-bottom:10px;font-size:12px}
.ai-kb-batchbar b{color:var(--blue2)}
.ai-kb-pager{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-top:10px;font-size:12px;color:var(--muted)}
.ai-kb-toolbar{display:flex;gap:8px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.ai-kb-type-row{display:grid;grid-template-columns:1.4fr 70px 70px 30px;gap:8px;align-items:center;margin-bottom:6px}
.ai-kb-type-row input,.ai-kb-type-row select{border:1px solid #d8e2eb;border-radius:8px;padding:7px 8px;font-size:12px;width:100%}
.ai-kb-totalbar{position:sticky;bottom:0;background:#f4f8fd;border:1px solid #d7e6fb;border-radius:10px;padding:8px 12px;display:flex;gap:14px;align-items:center;font-size:12px;margin-top:10px}
.ai-kb-totalbar b{color:var(--blue2);font-size:14px}
.ai-kb-qcard{border:1px solid var(--line);border-radius:11px;padding:12px;margin-bottom:10px;background:#fff}
.ai-kb-qcard.dragging{opacity:.5}
.ai-kb-qcard-head{display:flex;gap:8px;align-items:center;margin-bottom:7px;flex-wrap:wrap}
.ai-kb-qcard-stem{font-size:13px;line-height:1.8;white-space:pre-wrap;word-break:break-word}
.ai-kb-qcard-ops{margin:6px 0 0;padding-left:18px;font-size:12px;color:#41526a;line-height:1.9}
.ai-kb-qcard-foot{display:flex;gap:6px;align-items:center;margin-top:9px;flex-wrap:wrap}
.ai-kb-qcard-foot .score-input{width:64px;border:1px solid #d8e2eb;border-radius:7px;padding:5px 7px;font-size:12px}
.ai-kb-kp-list{max-height:180px;overflow:auto;border:1px solid var(--line);border-radius:9px;padding:8px;display:grid;gap:5px}
.ai-kb-kp-list label{display:flex;gap:7px;align-items:center;font-size:12px;font-weight:400}
.ai-kb-opt-row{display:grid;grid-template-columns:26px 1fr 30px;gap:6px;align-items:center;margin-bottom:6px}
.ai-kb-opt-row input{border:1px solid #d8e2eb;border-radius:7px;padding:7px 8px;font-size:12px}
.ai-kb-empty{text-align:center;color:var(--muted);padding:34px 0;font-size:12px}
.ai-kb-gen-layout{display:grid;grid-template-columns:minmax(300px,.9fr) minmax(0,1.6fr);gap:14px}
.ai-kb-mistake-card{border:1px solid var(--line);border-radius:10px;padding:11px;margin-bottom:8px;display:flex;gap:10px;justify-content:space-between;align-items:flex-start;background:#fff}
.ai-kb-mistake-main{flex:1;min-width:0;font-size:12px}
.ai-kb-mistake-main b{display:block;margin-bottom:3px;font-size:12px}
.ai-kb-mistake-main p{margin:0;color:var(--muted);line-height:1.7;word-break:break-word;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ai-kb-radio-row{display:flex;gap:14px;flex-wrap:wrap;font-size:12px}
.ai-kb-radio-row label{display:flex;gap:5px;align-items:center;font-weight:400}
.ai-kb-subtabs{display:flex;gap:6px;margin-bottom:12px}
.ai-kb-subtabs .tab{border:1px solid var(--line);border-radius:8px}
@media(max-width:1120px){.ai-kb-gen-layout{grid-template-columns:1fr}.ai-kb-filters{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.ai-kb-filters{grid-template-columns:1fr 1fr}}

/* ==================== 智能导入 ==================== */
.ai-kb-dropzone{border:2px dashed #b9cfe4;border-radius:14px;background:#f7fbff;padding:30px 16px;text-align:center;cursor:pointer;transition:all .15s}
.ai-kb-dropzone:hover,.ai-kb-dropzone.drag{border-color:var(--blue2);background:#eef5ff}
.ai-kb-dropzone .dz-icon{font-size:26px;color:var(--blue2);margin-bottom:6px;line-height:1}
.ai-kb-stepper-card{border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px 14px}
.ai-kb-stepper-head{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:10px;font-size:13px}
.ai-kb-imp-error{width:100%;color:#c0392b;background:#fdf0ef;border:1px solid #f5d3d0;border-radius:8px;padding:6px 10px;font-size:12px}
.ai-kb-stepper{display:flex;flex-direction:column;gap:0}
.ai-kb-step{display:flex;gap:10px;align-items:flex-start;padding:6px 0}
.ai-kb-step-dot{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;border:1.5px solid #c9d6e3;color:#9fb2c4;background:#fff;margin-top:1px}
.ai-kb-step.done .ai-kb-step-dot{background:#e8f7ee;border-color:#2e9e5b;color:#2e9e5b}
.ai-kb-step.failed .ai-kb-step-dot{background:#fdf0ef;border-color:#d9534f;color:#d9534f}
.ai-kb-step.running .ai-kb-step-dot{border-color:var(--blue2)}
.ai-kb-step.running .ai-kb-step-dot::after{content:"";width:10px;height:10px;border:2px solid var(--blue2);border-top-color:transparent;border-radius:50%;display:block;animation:aiKbSpin 1s linear infinite}
@keyframes aiKbSpin{to{transform:rotate(360deg)}}
.ai-kb-step-label{font-size:12px;font-weight:600;color:#33506b}
.ai-kb-step.pending .ai-kb-step-label{color:#9fb2c4;font-weight:400}
.ai-kb-step-detail{font-size:11px;color:var(--muted);margin-top:2px}
.ai-kb-imp-qcard{border:1px solid var(--line);border-radius:11px;padding:10px 12px;margin-bottom:10px;background:#fff}
.ai-kb-imp-qhead{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:7px;font-size:12px}
.ai-kb-imp-qcard textarea{width:100%;border:1px solid #d8e2eb;border-radius:8px;padding:7px 9px;font-size:12px;line-height:1.6;resize:vertical;margin-bottom:6px;font-family:inherit}
.ai-kb-imp-row{display:grid;grid-template-columns:2fr 66px 78px 1fr;gap:6px;margin-bottom:6px}
.ai-kb-imp-row input,.ai-kb-imp-row select{border:1px solid #d8e2eb;border-radius:8px;padding:7px 8px;font-size:12px;width:100%}
.badge.red{background:#fdf0ef;color:#c0392b}

/* 2026-09-20：AI 题库工作台与三步录题流程 */
.ai-kb-shell{display:grid;gap:16px;color:var(--text)}
.ai-kb-page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:4px 4px 0}
.ai-kb-page-head h2,.ai-kb-import-head h2{margin:5px 0 4px;font-size:27px;line-height:1.25;letter-spacing:-.02em}
.ai-kb-page-head p,.ai-kb-import-head p{margin:0;color:var(--muted);font-size:12px;line-height:1.7}
.ai-kb-breadcrumb{color:#6f8196;font-size:11px;font-weight:750}
.ai-kb-workspace{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:18px;min-height:620px}
#aiKbTabs{gap:24px;padding:0 4px 13px;margin-bottom:16px}
#aiKbTabs .tab{border-radius:0;padding:8px 2px;background:transparent;position:relative}
#aiKbTabs .tab.active:after{content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;border-radius:2px;background:var(--blue)}
.ai-kb-toolbar .actions .btn.primary{min-width:92px}
.ai-kb-filters{padding:12px;background:#f8fafc;border:1px solid #e7edf4;border-radius:12px}
.ai-kb-gen-layout>.panel{box-shadow:none}

.ai-kb-import-head{display:flex;align-items:flex-start;gap:14px;padding:2px 2px 0}
.ai-kb-import-head .btn{margin-top:3px}
.ai-kb-wizard-steps{display:flex;align-items:center;justify-content:center;max-width:780px;margin:24px auto 26px}
.ai-kb-wizard-step{display:flex;align-items:center;gap:10px;color:#9aa8b7;white-space:nowrap}
.ai-kb-wizard-step span{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#e9eef4;color:#7d8b9a;font-size:11px;font-weight:850}
.ai-kb-wizard-step b{font-size:13px}
.ai-kb-wizard-step.active{color:var(--blue2)}
.ai-kb-wizard-step.active span{background:var(--blue);color:#fff}
.ai-kb-wizard-step.done{color:#4f779e}
.ai-kb-wizard-step.done span{background:#e6f0ff;color:var(--blue2);font-size:9px}
.ai-kb-wizard-line{height:2px;background:#d9e2ec;min-width:90px;flex:1;margin:0 18px}
.ai-kb-method-tabs{display:flex;border-bottom:1px solid var(--line);gap:4px;margin:0 0 14px}
.ai-kb-method-tabs button{border:0;border-top:2px solid transparent;background:transparent;color:#66798d;padding:12px 20px;font-size:12px;font-weight:750}
.ai-kb-method-tabs button.active{color:var(--blue2);border-top-color:var(--blue);background:#f6f9fe}
.ai-kb-upload-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:16px;align-items:stretch}
.ai-kb-upload-main{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff}
.ai-kb-file-card{display:grid;grid-template-columns:minmax(220px,1fr) minmax(220px,1.2fr) auto;gap:14px;align-items:center;border-bottom:1px solid #edf1f5;padding:16px 4px}
.ai-kb-file-card:first-child{padding-top:4px}.ai-kb-file-card:last-of-type{border-bottom:0}
.ai-kb-file-card b{font-size:13px}.ai-kb-file-card b em{font-style:normal;color:#e44a4a;font-size:10px}.ai-kb-file-card b span{font-weight:500;color:var(--muted);font-size:10px}
.ai-kb-file-card p{margin:5px 0 0;color:var(--muted);font-size:10px;line-height:1.6}
.ai-kb-file-empty,.ai-kb-file-ready{min-height:58px;border:1px solid #cfe0f4;border-radius:10px;background:#f7fbff;padding:10px 12px;display:flex;flex-direction:column;justify-content:center;font-size:11px;color:#7a8da2}
.ai-kb-file-ready b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#2e4c6b}.ai-kb-file-ready span{font-size:10px;color:var(--muted);margin-top:4px}
.ai-kb-upload-action{display:flex;align-items:center;justify-content:center;gap:14px;border-top:1px solid #edf1f5;padding-top:18px;margin-top:6px}
.ai-kb-upload-action .btn{min-width:180px;padding:12px 18px}.ai-kb-upload-action span{font-size:10px;color:var(--muted)}
.ai-kb-benefits{border:1px solid var(--line);border-radius:14px;background:#f8fafc;padding:18px}
.ai-kb-benefits h3{margin:0 0 12px;font-size:15px}
.ai-kb-benefits>div{border-bottom:1px solid #e6edf4;padding:12px 0}.ai-kb-benefits>div:last-child{border-bottom:0}
.ai-kb-benefits b,.ai-kb-benefits span{display:block}.ai-kb-benefits b{font-size:12px}.ai-kb-benefits span{color:var(--muted);font-size:10px;line-height:1.55;margin-top:4px}
.ai-kb-manual-callout{border:1px solid var(--line);border-radius:14px;text-align:center;padding:52px 24px;background:#f8fafc}
.ai-kb-manual-callout h3{margin:0 0 8px}.ai-kb-manual-callout p{color:var(--muted);font-size:11px;margin:0 0 18px}
.ai-kb-history{margin-top:18px}.ai-kb-section-title{display:flex;align-items:baseline;gap:9px;margin-bottom:9px}.ai-kb-section-title h3{font-size:14px;margin:0}.ai-kb-section-title span{font-size:10px;color:var(--muted)}
.ai-kb-job-list{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.ai-kb-job{width:100%;border:0;border-bottom:1px solid var(--line);background:#fff;padding:11px 13px;display:grid;grid-template-columns:minmax(0,1fr) auto 60px;align-items:center;gap:12px;text-align:left;color:var(--text)}
.ai-kb-job:last-child{border-bottom:0}.ai-kb-job:hover{background:#f8fbff}.ai-kb-job span:first-child b,.ai-kb-job span:first-child small{display:block}.ai-kb-job small{color:var(--muted);font-size:10px;margin-top:3px}.ai-kb-job>strong{text-align:right;font-size:11px;color:#5c7188}
.ai-kb-status{display:inline-flex;border-radius:999px;background:#edf2f7;color:#65788d;padding:4px 8px;font-size:10px}.ai-kb-status.completed{background:#fff4df;color:#a16714}.ai-kb-status.committed{background:#e9f6ef;color:#28744e}.ai-kb-status.failed{background:#fff0f1;color:#b9474f}

.ai-kb-processing{max-width:920px;margin:0 auto;border:1px solid var(--line);border-radius:16px;background:#fff;padding:34px 40px;text-align:center}
.ai-kb-processing-title h3{font-size:23px;margin:0 0 8px}.ai-kb-processing-title p{margin:0;color:var(--muted);font-size:11px}
.ai-kb-progress-number{font-size:44px;font-weight:900;color:#112342;margin:26px 0 8px}.ai-kb-processing progress{width:min(480px,90%);height:12px;accent-color:var(--blue)}
.ai-kb-process-grid{max-width:660px;margin:28px auto;display:grid;grid-template-columns:1fr 1fr;gap:10px;text-align:left}
.ai-kb-process-step{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:11px;padding:11px;background:#fafbfd}
.ai-kb-process-step>span{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#e5ebf1;color:#7d8b99;font-size:10px;font-weight:850;flex:0 0 auto}
.ai-kb-process-step.running{border-color:#9fc1eb;background:#f5f9ff}.ai-kb-process-step.running>span{background:var(--blue);color:#fff}.ai-kb-process-step.done>span{background:#e4f5ec;color:#228153}
.ai-kb-process-step b,.ai-kb-process-step small{display:block}.ai-kb-process-step b{font-size:11px}.ai-kb-process-step small{font-size:9px;color:var(--muted);margin-top:3px;line-height:1.5}
.ai-kb-processing .notice{margin-top:18px}

.ai-kb-result-summary{display:flex;align-items:center;gap:0;border:1px solid #d9e6f4;background:#f8fbff;border-radius:12px;padding:12px 15px;overflow:auto;white-space:nowrap}
.ai-kb-result-summary>b{font-size:13px;padding-right:18px}.ai-kb-result-summary strong{font-size:21px;color:var(--blue2)}
.ai-kb-result-summary>span{font-size:10px;color:#64768a;padding:2px 14px;border-left:1px solid #dce6f0}.ai-kb-result-summary em{font-style:normal;font-size:16px;font-weight:900;color:var(--blue2);margin-left:3px}.ai-kb-result-summary em.green{color:#24915a}.ai-kb-result-summary em.orange{color:#d78016}
.ai-kb-review-toolbar{display:flex;justify-content:space-between;align-items:center;margin:12px 0 10px;color:var(--muted);font-size:10px}.ai-kb-review-toolbar label{display:flex;align-items:center;gap:8px;color:#4f647a;font-weight:750}.ai-kb-review-toolbar select{border:1px solid #d6e0ea;border-radius:8px;padding:7px 9px;background:#fff}
.ai-kb-review-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:12px;align-items:start}
.ai-kb-question-list,.ai-kb-question-detail{border:1px solid var(--line);border-radius:13px;background:#fff;overflow:hidden}
.ai-kb-question-list-head{padding:13px 14px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:12px}.ai-kb-question-list-head span{color:var(--muted);font-size:10px}
.ai-kb-filter-chips{display:flex;gap:4px;padding:9px;border-bottom:1px solid var(--line);overflow:auto}.ai-kb-filter-chips button{border:1px solid transparent;background:#f1f4f7;color:#66788a;border-radius:7px;padding:5px 8px;font-size:9px;white-space:nowrap}.ai-kb-filter-chips button.active{background:#eaf2ff;border-color:#b8d0f0;color:var(--blue2)}
.ai-kb-question-scroll{max-height:610px;overflow:auto}.ai-kb-question-row{width:100%;border:0;border-bottom:1px solid #edf1f5;background:#fff;display:grid;grid-template-columns:30px minmax(0,1fr) auto;gap:8px;align-items:center;padding:10px 11px;text-align:left;color:var(--text)}.ai-kb-question-row:hover{background:#f8fbff}.ai-kb-question-row.active{background:#eef5ff;box-shadow:inset 3px 0 0 var(--blue)}.ai-kb-question-row>span{width:26px;height:26px;border-radius:7px;display:grid;place-items:center;background:#f0f4f8;color:#5f7287;font-size:10px}.ai-kb-question-row b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px}.ai-kb-question-row em{font-style:normal;color:#b97418;font-size:9px}.ai-kb-question-row em.committed{color:#258153}
.ai-kb-question-detail{padding:15px}.ai-kb-detail-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:12px}.ai-kb-detail-head>div b,.ai-kb-detail-head>div span{display:block}.ai-kb-detail-head>div b{font-size:14px}.ai-kb-detail-head>div span{font-size:10px;color:var(--muted);margin-top:3px}.ai-kb-detail-head>label,.ai-kb-allow-dup{font-size:10px;color:#607489;display:flex;gap:5px;align-items:center}
.ai-kb-question-detail .field textarea{min-height:0;line-height:1.65}.ai-kb-inline-inputs{display:grid;grid-template-columns:1fr 1fr;gap:7px}.ai-kb-answer-grid{display:grid;grid-template-columns:1fr 2fr;gap:10px}.ai-kb-warning{border:1px solid #f1d29e;background:#fff8eb;color:#9a641e;border-radius:9px;padding:8px 10px;font-size:10px;margin-bottom:10px}.ai-kb-detail-actions{display:flex;gap:7px;align-items:center;border-top:1px solid var(--line);padding-top:12px;margin-top:12px}.ai-kb-detail-actions>span{flex:1}

@media(max-width:1180px){.ai-kb-upload-layout{grid-template-columns:1fr}.ai-kb-benefits{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.ai-kb-benefits h3{grid-column:1/-1}.ai-kb-review-layout{grid-template-columns:280px minmax(0,1fr)}.ai-kb-file-card{grid-template-columns:1fr minmax(190px,1fr) auto}}
@media(max-width:900px){.ai-kb-page-head{align-items:flex-start}.ai-kb-review-layout{grid-template-columns:1fr}.ai-kb-question-scroll{max-height:280px}.ai-kb-file-card{grid-template-columns:1fr}.ai-kb-answer-grid{grid-template-columns:1fr}.ai-kb-process-grid{grid-template-columns:1fr}.ai-kb-wizard-line{min-width:24px;margin:0 8px}.ai-kb-wizard-step b{display:none}.ai-kb-result-summary>b{min-width:210px}}