.teacher-view{width:100%;min-height:520px;overflow:hidden;border:1px solid #e5e8e2;border-radius:13px;background:#fafbf8;box-shadow:0 8px 28px rgba(38,52,42,.05);color:#293a30}.teacher-workspace{padding-bottom:18px}.teacher-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 25px 17px;border-bottom:1px solid #e9ebe5;background:linear-gradient(120deg,#fffefa,#f1f6f2)}.teacher-heading>div>span{color:#789080;font-size:8px;font-weight:750;letter-spacing:.19em}.teacher-heading h2{margin:5px 0 3px;color:#243a2d;font:500 24px Georgia,"Songti SC",serif}.teacher-heading p{margin:0;color:#899187;font-size:9px}.teacher-heading>button{flex:none;border:1px solid #dce3da;border-radius:6px;background:#fff;color:#5f7566;padding:8px 10px;font:inherit;font-size:9px;cursor:pointer}.teacher-notice{margin:14px 22px 0;padding:9px 11px;border:1px solid #d8e7d8;border-radius:6px;background:#f5fbf4;color:#4f7655;font-size:9px}.teacher-notice.error{border-color:#ecd8d3;background:#fff7f4;color:#a35649}.teacher-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:16px 22px 12px}.teacher-metrics article{display:grid;gap:5px;min-height:67px;align-content:center;padding:10px 13px;border:1px solid #e6e9e2;border-radius:8px;background:#fff}.teacher-metrics article span{color:#899187;font-size:8px}.teacher-metrics article b{color:#31533c;font:500 22px Georgia,"Songti SC",serif}.teacher-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0 22px}.teacher-card{min-width:0;padding:14px;border:1px solid #e6e9e2;border-radius:9px;background:#fff}.teacher-card>header{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:12px}.teacher-card>header>div>span{color:#819488;font-size:7px;font-weight:750;letter-spacing:.16em}.teacher-card>header h3{margin:3px 0 0;color:#435347;font:500 16px Georgia,"Songti SC",serif}.teacher-card>header>small{color:#9ba197;font-size:8px;white-space:nowrap}.teacher-add-form{display:grid;gap:5px;margin-bottom:12px}.teacher-add-form>label,.teacher-mastery-create>label{color:#788578;font-size:8px}.teacher-add-form>div{display:flex;gap:6px}.teacher-add-form input,.teacher-mastery-create input,.teacher-mastery-create select{box-sizing:border-box;min-width:0;height:34px;padding:0 9px;border:1px solid #dce4dc;border-radius:5px;background:#fff;color:#415446;font:inherit;font-size:9px;outline:none}.teacher-add-form input{flex:1}.teacher-add-form input:focus,.teacher-mastery-create input:focus,.teacher-mastery-create select:focus{border-color:#91aa94;box-shadow:0 0 0 2px rgba(102,140,105,.1)}.teacher-add-form button,.teacher-save-mastery{flex:none;padding:0 12px;border:1px solid #56785c;border-radius:5px;background:#58795e;color:#fff;font:inherit;font-size:8px;cursor:pointer}.teacher-chip-list{display:flex;flex-wrap:wrap;gap:6px;min-height:27px;align-items:flex-start}.teacher-chip{display:inline-flex;align-items:center;gap:4px;max-width:100%;padding:3px 4px 3px 8px;border:1px solid #dce6dc;border-radius:20px;background:#f4f8f3;color:#536b55;font-size:8px}.teacher-chip-name,.teacher-chip-delete{border:0;background:transparent;color:inherit;font:inherit;cursor:pointer}.teacher-chip-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.teacher-chip-delete{flex:none;width:18px;height:18px;border-radius:50%;color:#9da89d;font-size:13px;line-height:16px}.teacher-chip-delete:hover{background:#fff0ed;color:#a8494c}.teacher-point-chip{background:#f8f6ef;border-color:#e8e2cf;color:#7b7050}.teacher-empty-inline{color:#a0a69d;font-size:8px}.teacher-footnote{margin:10px 0 0;color:#a0a398;font-size:7px;line-height:1.5}.teacher-mastery-card{margin:10px 22px 0}.teacher-mastery-create{display:grid;grid-template-columns:1fr 1.1fr .85fr;align-items:end;gap:8px;padding:10px;border:1px solid #edf0e9;border-radius:7px;background:#fafbf8}.teacher-mastery-create>label{display:grid;gap:5px}.teacher-mastery-create select{width:100%}.teacher-mastery-create .teacher-note-field{grid-column:1/3}.teacher-mastery-create .teacher-note-field input{width:100%}.teacher-save-mastery{height:34px}.teacher-save-mastery:disabled{opacity:.45;cursor:default}.teacher-mastery-toolbar{display:flex;justify-content:space-between;gap:8px;margin-top:13px;padding:0 2px 7px;border-bottom:1px solid #edf0eb;color:#647369;font-size:8px}.teacher-mastery-toolbar span{color:#9ca397}.teacher-mastery-list{display:grid;gap:5px;padding-top:7px}.teacher-mastery-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px;border:1px solid #eef0e9;border-radius:6px;background:#fff}.teacher-mastery-row>div{display:grid;gap:3px;min-width:0}.teacher-mastery-row b{overflow:hidden;color:#58695a;font-size:8px;text-overflow:ellipsis;white-space:nowrap}.teacher-mastery-row small{overflow:hidden;color:#9a9e94;font-size:7px;text-overflow:ellipsis;white-space:nowrap}.teacher-mastery-row select{height:29px;padding:0 7px;border:1px solid #e0e6df;border-radius:5px;background:#fff;color:#6b796c;font:inherit;font-size:8px}.teacher-empty,.teacher-loading{padding:23px 10px;text-align:center;color:#959d92;font-size:8px;line-height:1.6}.teacher-error{color:#a35649}.teacher-empty button{margin-top:6px;padding:7px 10px;border:1px solid #75917a;border-radius:5px;background:#fff;color:#527259;font:inherit;font-size:8px;cursor:pointer}.teacher-disclaimer{margin:11px 22px 0;color:#a0a398;font-size:7px;line-height:1.6}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(max-width:1050px){.teacher-metrics{margin-right:14px;margin-left:14px}.teacher-grid{margin:0 14px}.teacher-mastery-card{margin-right:14px;margin-left:14px}}
@media(max-width:760px){.teacher-view{min-height:0}.teacher-heading{align-items:flex-start;padding:17px 14px 12px}.teacher-heading h2{font-size:21px}.teacher-heading p{max-width:245px;font-size:8px}.teacher-heading>button{font-size:8px}.teacher-metrics{grid-template-columns:repeat(2,minmax(0,1fr));margin:12px 10px 9px}.teacher-metrics article{min-height:54px}.teacher-grid{grid-template-columns:1fr;margin:0 10px}.teacher-card{padding:12px}.teacher-mastery-card{margin:9px 10px 0;padding:12px}.teacher-mastery-create{grid-template-columns:1fr 1fr;gap:7px}.teacher-mastery-create>label:nth-child(3){grid-column:1}.teacher-mastery-create .teacher-note-field{grid-column:1/-1}.teacher-save-mastery{grid-column:2;grid-row:2}.teacher-mastery-row{align-items:flex-start}.teacher-mastery-row>div{padding-top:4px}.teacher-disclaimer{margin:9px 10px 0}}
.teacher-tabs{display:flex;gap:7px;padding:11px 22px;border-bottom:1px solid #e9ebe5;background:#fff}.teacher-tabs button{padding:8px 12px;border:1px solid transparent;border-radius:6px;background:transparent;color:#7a897d;font:inherit;font-size:9px;cursor:pointer}.teacher-tabs button[aria-current="page"]{border-color:#dce8dc;background:#f2f7f1;color:#486d4e;font-weight:700}
.teacher-planning{display:grid;grid-template-columns:minmax(235px,.75fr) minmax(0,1.55fr);gap:12px;padding:15px 22px}.teacher-plan-list,.teacher-plan-editor,.teacher-lessons{min-width:0;padding:14px;border:1px solid #e6e9e2;border-radius:9px;background:#fff}.teacher-plan-list>header,.teacher-plan-editor>header,.teacher-plan-procedure>header,.teacher-lessons>header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}.teacher-plan-list>header h3,.teacher-plan-editor>header h3,.teacher-lessons>header h3{margin:3px 0;color:#405448;font:500 16px Georgia,"Songti SC",serif}.teacher-plan-list>header span,.teacher-plan-editor>header span,.teacher-plan-list>header div>span,.teacher-lessons>header span{color:#91988c;font-size:8px}.teacher-plan-list>header button,.teacher-plan-editor>header button,.teacher-plan-item>div button,.teacher-plan-procedure>header button,.teacher-plan-editor>footer button{padding:7px 10px;border:1px solid #dce5dc;border-radius:5px;background:#fff;color:#5d7662;font:inherit;font-size:8px;cursor:pointer}.teacher-plan-list>header button.primary,.teacher-plan-editor>footer button.primary{border-color:#56785c;background:#58795e;color:#fff}
.teacher-plan-item{display:grid;gap:7px;margin-top:7px;padding:9px;border:1px solid #edf0eb;border-radius:7px;background:#fff}.teacher-plan-item.selected{border-color:#b6cbb5;background:#f8fbf7}.teacher-plan-item>button{display:grid;gap:4px;padding:0;border:0;background:transparent;text-align:left;cursor:pointer}.teacher-plan-item b{color:#506252;font-size:9px}.teacher-plan-item span,.teacher-plan-item small{color:#91988c;font-size:8px}.teacher-plan-item>div{display:flex;justify-content:flex-end;gap:5px}.teacher-plan-item>div button{padding:5px 7px}.teacher-plan-item>div button:disabled{color:#8b9b8b;cursor:default}.teacher-plan-item>div .danger{color:#a2574f}
.teacher-plan-editor>header{align-items:flex-start}.teacher-plan-editor>header h3{font-size:18px}.teacher-plan-editor>header p,.teacher-plan-procedure>header p{margin:4px 0;color:#92998e;font-size:8px;line-height:1.5}.teacher-plan-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:12px 0}.teacher-plan-fields label,.teacher-plan-step label{display:grid;gap:5px;color:#7a897d;font-size:8px}.teacher-plan-fields label.wide{grid-column:1/-1}.teacher-plan-fields input,.teacher-plan-fields textarea,.teacher-plan-step input,.teacher-plan-step textarea{box-sizing:border-box;width:100%;min-width:0;padding:8px;border:1px solid #dce4dc;border-radius:5px;background:#fff;color:#415446;font:inherit;font-size:9px;outline:none}.teacher-plan-fields input{height:34px}.teacher-plan-fields textarea,.teacher-plan-step textarea{min-height:65px;resize:vertical;line-height:1.5}.teacher-plan-fields input:focus,.teacher-plan-fields textarea:focus,.teacher-plan-step input:focus,.teacher-plan-step textarea:focus{border-color:#91aa94;box-shadow:0 0 0 2px rgba(102,140,105,.1)}
.teacher-plan-procedure{margin-top:14px;padding:11px;border:1px solid #edf0e9;border-radius:7px;background:#fafbf8}.teacher-plan-procedure h4{margin:0;color:#58695a;font-size:10px}.teacher-plan-procedure>header button{flex:none}.teacher-plan-step{margin-top:8px;padding:9px;border:1px solid #e7ebe4;border-radius:6px;background:#fff}.teacher-plan-step>header{display:grid;grid-template-columns:minmax(0,1fr) 95px auto;align-items:end;gap:7px}.teacher-plan-step>header label{font-size:7px}.teacher-plan-step input{height:32px}.teacher-plan-step .teacher-step-remove{height:32px;padding:0 8px;border:1px solid #eadbd6;border-radius:5px;background:#fff8f5;color:#a2574f;font:inherit;font-size:8px;cursor:pointer}.teacher-step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:7px}.teacher-plan-editor>footer{display:flex;align-items:center;justify-content:space-between;margin-top:12px;padding-top:10px;border-top:1px solid #edf0eb;color:#8a958a;font-size:8px}.teacher-lessons{margin-top:10px}.teacher-lessons>header{margin-bottom:5px}.teacher-lessons>article{display:grid;grid-template-columns:95px 1fr;gap:9px;padding:8px 2px;border-top:1px solid #f0f1ed}.teacher-lessons>article time{color:#839084;font-size:8px}.teacher-lessons>article div{display:grid;gap:3px}.teacher-lessons>article b{color:#526354;font-size:8px}.teacher-lessons>article span,.teacher-lessons>p{color:#959b91;font-size:8px}
@media(max-width:760px){.teacher-tabs{padding:9px 10px}.teacher-planning{grid-template-columns:1fr;padding:10px}.teacher-plan-fields{grid-template-columns:1fr}.teacher-plan-fields label.wide{grid-column:auto}.teacher-step-grid{grid-template-columns:1fr}.teacher-plan-step>header{grid-template-columns:minmax(0,1fr) 80px auto}}
.teacher-followup-layout{display:grid;grid-template-columns:minmax(250px,.8fr) minmax(0,1.4fr);gap:12px;padding:15px 22px}.teacher-followup-create,.teacher-followup-list{min-width:0;padding:14px;border:1px solid #e6e9e2;border-radius:9px;background:#fff}.teacher-followup-create>header small,.teacher-followup-list>header small{color:#819488;font-size:7px;font-weight:750;letter-spacing:.16em}.teacher-followup-create>header h3,.teacher-followup-list>header h3{margin:3px 0;color:#435347;font:500 16px Georgia,"Songti SC",serif}.teacher-followup-create>header p{margin:4px 0 12px;color:#92998e;font-size:8px;line-height:1.5}.teacher-followup-create form{display:grid;gap:9px}.teacher-followup-create form>label,.teacher-followup-meta label{display:grid;gap:5px;color:#788578;font-size:8px}.teacher-followup-create input,.teacher-followup-create select,.teacher-followup-create textarea,.teacher-followup-recipient input,.teacher-followup-recipient select{box-sizing:border-box;width:100%;min-width:0;padding:8px;border:1px solid #dce4dc;border-radius:5px;background:#fff;color:#415446;font:inherit;font-size:9px}.teacher-followup-create input,.teacher-followup-create select,.teacher-followup-recipient input,.teacher-followup-recipient select{height:34px}.teacher-followup-create textarea{min-height:74px;resize:vertical}.teacher-followup-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px}.teacher-followup-create fieldset{margin:0;padding:8px;border:1px solid #e9ede6;border-radius:6px}.teacher-followup-create legend{padding:0 4px;color:#788578;font-size:8px}.teacher-followup-students{display:flex;flex-wrap:wrap;gap:6px}.teacher-followup-student{display:flex;align-items:center;gap:5px;padding:5px 8px;border:1px solid #e0e8df;border-radius:16px;background:#f6f9f5;color:#637764;font-size:8px}.teacher-followup-student input{width:13px;height:13px;margin:0}.teacher-followup-create form>button{height:35px;border:1px solid #56785c;border-radius:5px;background:#58795e;color:#fff;font:inherit;font-size:9px;cursor:pointer}.teacher-followup-create form>button:disabled{opacity:.5}.teacher-followup-list>header{display:flex;justify-content:space-between;gap:8px;margin-bottom:12px}.teacher-followup-list>header>span{color:#92998e;font-size:8px}.teacher-followup-card{margin-top:9px;padding:11px;border:1px solid #e8ece6;border-radius:7px;background:#fff}.teacher-followup-card>header{display:flex;justify-content:space-between;gap:8px}.teacher-followup-card>header small{color:#8d978b;font-size:7px}.teacher-followup-card>header h3{margin:4px 0;color:#526354;font-size:10px}.teacher-followup-card>header .danger{height:26px;padding:0 8px;border:1px solid #ecd9d4;border-radius:5px;background:#fff8f5;color:#a2574f;font:inherit;font-size:8px;cursor:pointer}.teacher-followup-details{margin:7px 0;color:#7f897c;font-size:8px;white-space:pre-wrap}.teacher-followup-progress{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;margin:9px 0;color:#8c9589;font-size:8px}.teacher-followup-progress>div{height:5px;overflow:hidden;border-radius:4px;background:#edf1ec}.teacher-followup-progress i{display:block;height:100%;background:#7c9b79}.teacher-followup-progress b{color:#5d765f}.teacher-followup-recipients{display:grid;gap:5px}.teacher-followup-recipient{display:grid;grid-template-columns:minmax(80px,.65fr) 105px minmax(100px,1.2fr) auto;align-items:center;gap:6px;padding-top:6px;border-top:1px solid #f0f2ee}.teacher-followup-recipient>b{overflow:hidden;color:#637363;font-size:8px;text-overflow:ellipsis;white-space:nowrap}.teacher-followup-recipient input,.teacher-followup-recipient select{height:30px;padding:5px;font-size:8px}.teacher-followup-recipient button{height:30px;padding:0 8px;border:1px solid #dce5dc;border-radius:5px;background:#fff;color:#5d7662;font:inherit;font-size:8px;cursor:pointer}.teacher-followup-empty{color:#959b91;font-size:8px}.teacher-followup-list>.teacher-empty{border:1px dashed #e2e8e1;border-radius:7px}
@media(max-width:760px){.teacher-followup-layout{grid-template-columns:1fr;padding:10px}.teacher-followup-recipient{grid-template-columns:1fr 100px}.teacher-followup-recipient input{grid-column:1}.teacher-followup-recipient button{grid-column:2;grid-row:2}.teacher-followup-meta{grid-template-columns:1fr 1fr}}
.teacher-notes-layout{display:grid;grid-template-columns:minmax(250px,.8fr) minmax(0,1.4fr);gap:12px;padding:15px 22px}.teacher-note-editor,.teacher-note-list{min-width:0;padding:14px;border:1px solid #e6e9e2;border-radius:9px;background:#fff}.teacher-note-editor>header small,.teacher-note-list>header small{color:#819488;font-size:7px;font-weight:750;letter-spacing:.16em}.teacher-note-editor>header h3,.teacher-note-list>header h3{margin:3px 0;color:#435347;font:500 16px Georgia,"Songti SC",serif}.teacher-note-editor>header p{margin:4px 0 12px;color:#92998e;font-size:8px;line-height:1.5}.teacher-note-editor form{display:grid;gap:9px}.teacher-note-editor form>label,.teacher-note-position label{display:grid;gap:5px;color:#788578;font-size:8px}.teacher-note-editor input,.teacher-note-editor select,.teacher-note-editor textarea{box-sizing:border-box;width:100%;min-width:0;padding:8px;border:1px solid #dce4dc;border-radius:5px;background:#fff;color:#415446;font:inherit;font-size:9px}.teacher-note-editor input,.teacher-note-editor select{height:34px}.teacher-note-editor textarea{min-height:90px;resize:vertical}.teacher-note-editor label.wide{grid-column:1/-1}.teacher-note-editor details{padding:8px;border:1px solid #e9ede6;border-radius:6px;color:#788578;font-size:8px}.teacher-note-editor summary{cursor:pointer}.teacher-note-position{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:9px}.teacher-note-editor form>footer{display:flex;justify-content:flex-end;gap:7px}.teacher-note-editor form>footer button,.teacher-class-note header button{padding:7px 10px;border:1px solid #dce5dc;border-radius:5px;background:#fff;color:#5d7662;font:inherit;font-size:8px;cursor:pointer}.teacher-note-editor form>footer button.primary{border-color:#56785c;background:#58795e;color:#fff}.teacher-note-list>header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:11px}.teacher-note-list>header>span{color:#92998e;font-size:8px}.teacher-class-note{margin-top:8px;padding:10px;border:1px solid #e8ece6;border-radius:7px}.teacher-class-note header{display:flex;justify-content:space-between;gap:8px}.teacher-class-note header small,.teacher-class-note header span{color:#8d978b;font-size:7px}.teacher-class-note header h4{margin:4px 0;color:#526354;font-size:9px}.teacher-class-note header>div:last-child{display:flex;gap:4px}.teacher-class-note header button{padding:5px 7px}.teacher-class-note header button.danger{color:#a2574f}.teacher-class-note>p{margin:8px 0 0;color:#68776a;font-size:8px;line-height:1.6;white-space:pre-wrap}
@media(max-width:760px){.teacher-notes-layout{grid-template-columns:1fr;padding:10px}.teacher-note-position{grid-template-columns:1fr 1fr}.teacher-note-editor label.wide{grid-column:auto}}
.teacher-documents-layout{display:grid;grid-template-columns:minmax(250px,.7fr) minmax(0,1.5fr);gap:12px;padding:15px 22px}.teacher-document-library,.teacher-document-preview{min-width:0;padding:14px;border:1px solid #e6e9e2;border-radius:9px;background:#fff}.teacher-document-library>header small,.teacher-document-preview>header small{color:#819488;font-size:7px;font-weight:750;letter-spacing:.16em}.teacher-document-library>header h3,.teacher-document-preview>header h3{margin:3px 0;color:#435347;font:500 16px Georgia,"Songti SC",serif}.teacher-document-library>header p{margin:4px 0 12px;color:#92998e;font-size:8px;line-height:1.5}.teacher-document-upload{display:block;padding:10px;border:1px dashed #cad9ca;border-radius:6px;background:#fafcf9;color:#758476;font-size:8px}.teacher-document-upload input{display:block;width:100%;margin-top:7px;color:#708071;font:inherit;font-size:8px}.teacher-document-upload+button,.teacher-document-library form>button{width:100%;height:34px;margin:8px 0 11px;border:1px solid #56785c;border-radius:5px;background:#58795e;color:#fff;font:inherit;font-size:9px;cursor:pointer}.teacher-document-item{display:grid;grid-template-columns:1fr auto;gap:7px;margin-top:6px;padding:9px;border:1px solid #edf0eb;border-radius:6px}.teacher-document-item.selected{border-color:#b6cbb5;background:#f8fbf7}.teacher-document-item>button:first-child{display:grid;gap:4px;padding:0;border:0;background:transparent;text-align:left;cursor:pointer}.teacher-document-item b{color:#536454;font-size:8px}.teacher-document-item span,.teacher-document-item small{color:#92998e;font-size:7px}.teacher-document-item .danger{align-self:center;padding:5px 7px;border:1px solid #ecd9d4;border-radius:5px;background:#fff8f5;color:#a2574f;font:inherit;font-size:8px;cursor:pointer}.teacher-document-preview>header{padding-bottom:10px;border-bottom:1px solid #edf0eb}.teacher-document-preview>header span{color:#92998e;font-size:8px}.teacher-document-content{max-height:72vh;overflow:auto;padding:12px 4px;color:#4c5b50;font-size:10px;line-height:1.75}.teacher-document-content p{margin:0 0 9px;white-space:pre-wrap}.teacher-document-content table{width:100%;margin:9px 0;border-collapse:collapse}.teacher-document-content td{padding:6px;border:1px solid #e0e7df;vertical-align:top;white-space:pre-wrap}.teacher-document-content tr:nth-child(even){background:#f8faf7}
@media(max-width:760px){.teacher-documents-layout{grid-template-columns:1fr;padding:10px}.teacher-document-content{max-height:60vh}}
.teacher-materials-stack{display:grid;gap:4px}.teacher-ppt-preview{min-width:0;padding:14px;border:1px solid #e6e9e2;border-radius:9px;background:#fff}.teacher-ppt-preview>header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:10px;border-bottom:1px solid #edf0eb}.teacher-ppt-preview>header small{color:#819488;font-size:7px;font-weight:750;letter-spacing:.16em}.teacher-ppt-preview>header h3{margin:3px 0;color:#435347;font:500 16px Georgia,"Songti SC",serif}.teacher-ppt-preview>header span{color:#92998e;font-size:8px}.teacher-ppt-preview>header button,.teacher-ppt-toolbar button{padding:6px 9px;border:1px solid #cad9ca;border-radius:5px;background:#f8fbf7;color:#536c57;font:inherit;font-size:8px;cursor:pointer}.teacher-ppt-toolbar{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;padding:9px}.teacher-ppt-toolbar span{min-width:42px;text-align:center;color:#66766a;font-size:8px}.teacher-ppt-toolbar button:disabled{opacity:.4;cursor:not-allowed}.teacher-ppt-stage{display:flex;align-items:center;justify-content:center;min-height:240px;padding:12px;background:#17221a;border-radius:6px;overflow:auto}.teacher-ppt-slide-shell{position:relative;width:min(100%,1000px);aspect-ratio:var(--teacher-ppt-aspect,1.7778);transform:scale(var(--teacher-ppt-zoom,1));transform-origin:center center;background:#fff;box-shadow:0 8px 22px rgba(0,0,0,.25)}.teacher-ppt-slide-shell svg{display:block;width:100%;height:100%}.teacher-ppt-support-note{margin:8px 0 0;color:#899489;font-size:7px;line-height:1.5}.teacher-ppt-preview:fullscreen{box-sizing:border-box;display:flex;flex-direction:column;padding:14px;background:#0b120d}.teacher-ppt-preview:fullscreen>header h3,.teacher-ppt-preview:fullscreen>header span{color:#e6efe5}.teacher-ppt-preview:fullscreen>header{border-color:#334039}.teacher-ppt-preview:fullscreen .teacher-ppt-toolbar span{color:#e6efe5}.teacher-ppt-preview:fullscreen .teacher-ppt-stage{flex:1;min-height:0;background:#030704}.teacher-ppt-preview:fullscreen .teacher-ppt-slide-shell{width:min(96vw,calc(96vh * var(--teacher-ppt-aspect,1.7778)));transform:none}.teacher-ppt-preview:fullscreen .teacher-ppt-support-note{color:#bac5b9}
@media(max-width:760px){.teacher-ppt-toolbar{gap:4px}.teacher-ppt-toolbar button{padding:6px}.teacher-ppt-stage{min-height:170px;padding:7px}.teacher-ppt-preview:fullscreen{padding:7px}}
.teacher-ppt-toolbar button.active{background:#fef3c7;border-color:#f59e0b;color:#78350f}.teacher-ppt-toolbar label{display:inline-flex;align-items:center;gap:3px;color:#778577;font-size:8px}.teacher-ppt-toolbar input[type=color]{width:28px;height:24px;padding:0;border:0;background:transparent}.teacher-ppt-toolbar input[type=range]{width:58px}.teacher-ppt-slide-shell{overflow:hidden;touch-action:none;user-select:none}.teacher-ppt-source-svg,.teacher-ppt-ink-layer,.teacher-ppt-overlay-layer{position:absolute;inset:0;width:100%;height:100%}.teacher-ppt-source-svg>svg{display:block;width:100%;height:100%}.teacher-ppt-ink-layer{pointer-events:none;overflow:visible}.teacher-ppt-overlay-layer{pointer-events:none}.teacher-ppt-mark-active{cursor:crosshair}.teacher-ppt-text-note,.teacher-ppt-teacher-note{position:absolute;transform:translate(-3px,-3px);pointer-events:auto}.teacher-ppt-text-note{max-width:230px;padding:5px 8px;border:1px solid #f59e0b;border-radius:4px;background:#fff7ed;color:#7c2d12;font-size:13px;line-height:1.35;white-space:pre-wrap;box-shadow:0 3px 10px rgba(0,0,0,.18)}.teacher-ppt-teacher-note-dot{width:0;height:0;padding:0;border-top:0;border-right:10px solid transparent;border-bottom:17px solid #2563eb;border-left:10px solid transparent;background:transparent;filter:drop-shadow(0 1px 1px rgba(0,0,0,.35));cursor:pointer}.teacher-ppt-teacher-note-card{display:none;position:absolute;left:18px;top:0;width:220px;padding:9px;border:1px solid #60a5fa;border-radius:6px;background:#eff6ff;color:#1e3a8a;font-size:12px;line-height:1.5;white-space:pre-wrap;box-shadow:0 4px 14px rgba(0,0,0,.2)}.teacher-ppt-teacher-note.open .teacher-ppt-teacher-note-card{display:block}.teacher-ppt-note-remove{position:absolute;top:-8px;right:-8px;display:none;width:18px;height:18px;padding:0;border:1px solid #cbd5e1;border-radius:50%;background:#fff;color:#475569;font-size:13px;line-height:16px;cursor:pointer}.teacher-ppt-text-note:hover .teacher-ppt-note-remove,.teacher-ppt-teacher-note:hover .teacher-ppt-note-remove{display:block}.teacher-ppt-projector{background:#101811}.teacher-ppt-projector .teacher-ppt-preview>header h3,.teacher-ppt-projector>header h3,.teacher-ppt-projector>header span{color:#edf5eb}.teacher-ppt-projector>header{border-color:#344137}.teacher-ppt-projector .teacher-ppt-support-note,.teacher-ppt-projector .teacher-ppt-state{color:#c1ccb9}.teacher-ppt-state{min-height:1em;color:#b45748;font-size:8px}.teacher-ppt-preview:fullscreen .teacher-ppt-stage{align-items:center}.teacher-ppt-preview:fullscreen .teacher-ppt-slide-shell{transform:none}
@media(max-width:760px){.teacher-ppt-text-note{max-width:160px;font-size:11px}.teacher-ppt-teacher-note-card{left:auto;right:18px;width:min(210px,65vw)}.teacher-ppt-toolbar label{flex-shrink:0}}
.teacher-pdf-preview{min-width:0;padding:14px;border:1px solid #e6e9e2;border-radius:9px;background:#fff}.teacher-pdf-preview>header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:10px;border-bottom:1px solid #edf0eb}.teacher-pdf-preview>header small{color:#819488;font-size:7px;font-weight:750;letter-spacing:.16em}.teacher-pdf-preview>header h3{margin:3px 0;color:#435347;font:500 16px Georgia,"Songti SC",serif}.teacher-pdf-preview>header span{color:#92998e;font-size:8px}.teacher-pdf-preview>header button,.teacher-pdf-toolbar button{padding:6px 9px;border:1px solid #cad9ca;border-radius:5px;background:#f8fbf7;color:#536c57;font:inherit;font-size:8px;cursor:pointer}.teacher-pdf-toolbar{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;padding:9px}.teacher-pdf-toolbar span{min-width:38px;text-align:center;color:#66766a;font-size:8px}.teacher-pdf-toolbar button:disabled{opacity:.4;cursor:not-allowed}.teacher-pdf-toolbar label{display:inline-flex;align-items:center;gap:3px;color:#778577;font-size:8px}.teacher-pdf-toolbar input[type=number]{width:48px;padding:4px;border:1px solid #d8e0d7;border-radius:4px;color:#536454;font:inherit}.teacher-pdf-toolbar input[type=color]{width:28px;height:24px;padding:0;border:0;background:transparent}.teacher-pdf-toolbar input[type=range]{width:58px}.teacher-pdf-toolbar button.active{background:#fef3c7;border-color:#f59e0b;color:#78350f}.teacher-pdf-stage{display:flex;align-items:flex-start;justify-content:center;max-height:74vh;min-height:240px;padding:12px;background:#17221a;border-radius:6px;overflow:auto}.teacher-pdf-page-shell{position:relative;flex:none;background:#fff;box-shadow:0 8px 22px rgba(0,0,0,.25);touch-action:none;user-select:none}.teacher-pdf-canvas{position:absolute;inset:0;display:block}.teacher-pdf-ink-layer,.teacher-pdf-overlay-layer{position:absolute;inset:0;width:100%;height:100%}.teacher-pdf-ink-layer{pointer-events:none;overflow:visible}.teacher-pdf-overlay-layer{pointer-events:none}.teacher-pdf-text-note,.teacher-pdf-teacher-note{position:absolute;transform:translate(-3px,-3px);pointer-events:auto}.teacher-pdf-text-note{max-width:230px;padding:5px 8px;border:1px solid #f59e0b;border-radius:4px;background:#fff7ed;color:#7c2d12;font-size:13px;line-height:1.35;white-space:pre-wrap;box-shadow:0 3px 10px rgba(0,0,0,.18)}.teacher-pdf-teacher-note-dot{width:0;height:0;padding:0;border:0;border-right:10px solid transparent;border-bottom:17px solid #2563eb;border-left:10px solid transparent;background:transparent;filter:drop-shadow(0 1px 1px rgba(0,0,0,.35));cursor:pointer}.teacher-pdf-teacher-note-card{display:none;position:absolute;left:18px;top:0;width:220px;padding:9px;border:1px solid #60a5fa;border-radius:6px;background:#eff6ff;color:#1e3a8a;font-size:12px;line-height:1.5;white-space:pre-wrap;box-shadow:0 4px 14px rgba(0,0,0,.2)}.teacher-pdf-teacher-note.open .teacher-pdf-teacher-note-card{display:block}.teacher-pdf-note-remove{position:absolute;top:-8px;right:-8px;display:none;width:18px;height:18px;padding:0;border:1px solid #cbd5e1;border-radius:50%;background:#fff;color:#475569;font-size:13px;line-height:16px;cursor:pointer}.teacher-pdf-text-note:hover .teacher-pdf-note-remove,.teacher-pdf-teacher-note:hover .teacher-pdf-note-remove{display:block}.teacher-pdf-support-note{margin:8px 0 0;color:#899489;font-size:7px;line-height:1.5}.teacher-pdf-state{min-height:1em;color:#b45748;font-size:8px}.teacher-pdf-preview:fullscreen{box-sizing:border-box;display:flex;flex-direction:column;padding:14px;background:#0b120d}.teacher-pdf-preview:fullscreen>header h3,.teacher-pdf-preview:fullscreen>header span,.teacher-pdf-preview:fullscreen .teacher-pdf-toolbar span{color:#e6efe5}.teacher-pdf-preview:fullscreen>header{border-color:#334039}.teacher-pdf-preview:fullscreen .teacher-pdf-stage{flex:1;max-height:none;min-height:0;align-items:center;background:#030704}.teacher-pdf-preview:fullscreen .teacher-pdf-page-shell{transform:none}.teacher-pdf-projector{background:#101811}.teacher-pdf-projector>header h3,.teacher-pdf-projector>header span{color:#edf5eb}.teacher-pdf-projector>header{border-color:#344137}.teacher-pdf-projector .teacher-pdf-support-note,.teacher-pdf-projector .teacher-pdf-state{color:#c1ccb9}
@media(max-width:760px){.teacher-pdf-toolbar{gap:4px}.teacher-pdf-toolbar button{padding:6px}.teacher-pdf-stage{min-height:170px;padding:7px}.teacher-pdf-preview:fullscreen{padding:7px}.teacher-pdf-text-note{max-width:160px;font-size:11px}.teacher-pdf-teacher-note-card{left:auto;right:18px;width:min(210px,65vw)}.teacher-pdf-toolbar label{flex-shrink:0}}
.teacher-practice-layout{display:grid;grid-template-columns:minmax(240px,.7fr) minmax(0,1.7fr);gap:12px;padding:15px 22px}.teacher-practice-library,.teacher-practice-editor{min-width:0;padding:14px;border:1px solid #e6e9e2;border-radius:9px;background:#fff}.teacher-practice-library>header,.teacher-practice-editor>header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}.teacher-practice-library>header{display:grid;grid-template-columns:1fr auto}.teacher-practice-library>header small,.teacher-practice-editor>header small{color:#819488;font-size:7px;font-weight:750;letter-spacing:.16em}.teacher-practice-library>header h3,.teacher-practice-editor>header h3{margin:3px 0;color:#435347;font:500 16px Georgia,"Songti SC",serif}.teacher-practice-library>header p,.teacher-practice-editor>header p{margin:4px 0;color:#92998e;font-size:8px;line-height:1.5}.teacher-practice-library>header button{grid-column:2;grid-row:1/4;padding:7px 9px;border:1px solid #56785c;border-radius:5px;background:#58795e;color:#fff;font:inherit;font-size:8px;cursor:pointer}.teacher-practice-saved-list{display:grid;gap:6px}.teacher-practice-saved-row{display:grid;grid-template-columns:1fr auto;gap:7px;padding:9px;border:1px solid #edf0eb;border-radius:6px}.teacher-practice-saved-row>button:first-child{display:grid;gap:4px;padding:0;border:0;background:transparent;text-align:left;cursor:pointer}.teacher-practice-saved-row b{color:#536454;font-size:9px}.teacher-practice-saved-row span,.teacher-practice-saved-row small{color:#92998e;font-size:7px}.teacher-practice-saved-row .danger{align-self:center;padding:5px 7px;border:1px solid #ecd9d4;border-radius:5px;background:#fff8f5;color:#a2574f;font:inherit;font-size:8px;cursor:pointer}.teacher-practice-editor>header{align-items:flex-start}.teacher-practice-editor>header button,.teacher-practice-actions>button,.teacher-practice-qbank-head button{padding:7px 10px;border:1px solid #dce5dc;border-radius:5px;background:#fff;color:#5d7662;font:inherit;font-size:8px;cursor:pointer}.teacher-practice-meta{display:grid;grid-template-columns:1.4fr 1fr;gap:8px}.teacher-practice-meta label,.teacher-practice-question label{display:grid;gap:5px;color:#7a897d;font-size:8px}.teacher-practice-meta input,.teacher-practice-meta select,.teacher-practice-question select,.teacher-practice-question input,.teacher-practice-question textarea{box-sizing:border-box;width:100%;min-width:0;padding:7px;border:1px solid #dce4dc;border-radius:5px;background:#fff;color:#415446;font:inherit;font-size:9px}.teacher-practice-question textarea{min-height:55px;resize:vertical;line-height:1.5}.teacher-practice-question label{margin-top:8px}.teacher-practice-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:11px 0}.teacher-practice-file-button{display:inline-flex;align-items:center;padding:7px 10px;border:1px solid #dce5dc;border-radius:5px;background:#f8fbf7;color:#5d7662;font-size:8px;cursor:pointer}.teacher-practice-file-button input{display:none}.teacher-practice-import-note{margin:7px 0;padding:8px;border:1px solid #e9eee6;border-radius:5px;background:#fafcf9;color:#899489;font-size:7px;line-height:1.5}.teacher-practice-qbank{display:grid;gap:5px;margin:8px 0;padding:9px;border:1px solid #e8ede6;border-radius:6px;background:#fafcf9}.teacher-practice-qbank-head{display:flex;align-items:center;justify-content:space-between}.teacher-practice-qbank>label{display:flex;gap:7px;padding:6px;border:1px solid #edf0eb;border-radius:4px;background:#fff;color:#66766a;font-size:8px}.teacher-practice-question-list{display:grid;gap:8px;margin-top:10px}.teacher-practice-question{padding:10px;border:1px solid #e9eee7;border-radius:7px;background:#fff}.teacher-practice-question>header{display:flex;align-items:center;justify-content:space-between;gap:8px;color:#526453;font-size:9px}.teacher-practice-question>header button{padding:4px 7px;border:1px solid #ecd9d4;border-radius:4px;background:#fff8f5;color:#a2574f;font:inherit;font-size:8px;cursor:pointer}.teacher-practice-editor>footer{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:11px;padding-top:10px;border-top:1px solid #edf0eb;color:#a35649;font-size:8px}.teacher-practice-editor>footer button{padding:8px 12px;border:1px solid #56785c;border-radius:5px;background:#58795e;color:#fff;font:inherit;font-size:8px;cursor:pointer}
@media(max-width:760px){.teacher-practice-layout{grid-template-columns:1fr;padding:10px}.teacher-practice-meta{grid-template-columns:1fr}.teacher-practice-editor>header{align-items:flex-start}.teacher-practice-question{padding:8px}}
.teacher-backup-panel{margin:14px 0;padding:20px;border:1px solid #e3ebe1;border-radius:12px;background:#fff;box-shadow:0 5px 18px rgba(45,73,50,.04)}.teacher-backup-panel>header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.teacher-backup-panel>header small{color:#829181;letter-spacing:.08em}.teacher-backup-panel h3{margin:5px 0;color:#35533b;font-size:20px}.teacher-backup-panel p{color:#718071;font-size:13px;line-height:1.7}.teacher-backup-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:18px 0 10px}.teacher-backup-actions>[data-teacher-backup-export]{padding:9px 14px;border:1px solid #56785c;border-radius:6px;background:#58795e;color:#fff;font:inherit;cursor:pointer}.teacher-backup-actions button:disabled{opacity:.6;cursor:wait}.teacher-backup-status{color:#55775b;font-size:13px}.teacher-backup-status.error{color:#ac5148}.teacher-backup-warning{padding:10px 12px;border-left:3px solid #e3a645;background:#fffaf0;color:#855f2c!important}.teacher-backup-detail{font-size:12px!important;color:#8a9689!important}@media(max-width:760px){.teacher-backup-panel{padding:14px}.teacher-backup-actions{align-items:flex-start;flex-direction:column}}
.teacher-tabs{overflow-x:auto;white-space:nowrap}.teacher-document-preview>header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.teacher-document-note-mode{flex:none;padding:7px 10px;border:1px solid #d7e3d5;border-radius:6px;background:#f8fbf7;color:#59745d;font:inherit;font-size:8px;cursor:pointer}.teacher-document-note-mode.active{border-color:#d7a33a;background:#fff8e9;color:#8a641f}.teacher-document-note-help{margin:7px 0;color:#8a9689;font-size:8px}.teacher-document-scroll{max-height:72vh;overflow:auto;border-top:1px solid #edf0eb}.teacher-document-canvas{position:relative;min-width:0}.teacher-document-content{max-height:none;overflow:visible;padding:12px 4px;color:#4c5b50;font-size:10px;line-height:1.75}.teacher-document-note-layer{position:absolute;inset:0;z-index:5;pointer-events:none}.teacher-document-note-layer.placing{pointer-events:auto;cursor:crosshair;background:rgba(245,158,11,.025)}.teacher-doc-note-marker{position:absolute;z-index:2;transform:translate(-50%,-50%);pointer-events:auto;touch-action:none;cursor:grab}.teacher-doc-note-marker.dragging{z-index:8;cursor:grabbing}.teacher-doc-note-dot{width:22px;height:22px;padding:0;border:2px solid #fff;border-radius:50%;background:var(--teacher-doc-note-color,#f59e0b);box-shadow:0 1px 7px rgba(30,41,59,.35);color:#fff;font-size:9px;cursor:grab;touch-action:none}.teacher-doc-note-marker:hover,.teacher-doc-note-marker.open{z-index:9}.teacher-doc-note-card{display:none;position:absolute;left:14px;top:9px;width:240px;max-width:calc(100vw - 55px);padding:9px 10px;border:1px solid var(--teacher-doc-note-color,#f59e0b);border-left:4px solid var(--teacher-doc-note-color,#f59e0b);border-radius:7px;background:#fffdf5;box-shadow:0 6px 20px rgba(30,41,59,.2);box-sizing:border-box;color:#435347;font-size:8px;line-height:1.5;white-space:normal}.teacher-doc-note-marker.open .teacher-doc-note-card,.teacher-doc-note-marker:hover .teacher-doc-note-card,.teacher-doc-note-marker:focus-within .teacher-doc-note-card{display:block}.teacher-doc-note-card header{display:flex;align-items:flex-start;gap:5px}.teacher-doc-note-card header b{flex:1}.teacher-doc-note-card button{padding:2px 5px;border:1px solid #dce5dc;border-radius:4px;background:#fff;color:#5d7662;font:inherit;font-size:7px;cursor:pointer}.teacher-doc-note-card small{display:block;margin:5px 0;color:#8a7455}.teacher-doc-note-card p{margin:5px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}.teacher-doc-note-marker.jumped .teacher-doc-note-dot{animation:teacher-doc-note-pulse 1.3s ease-out}@keyframes teacher-doc-note-pulse{50%{transform:scale(1.6);box-shadow:0 0 0 9px rgba(245,158,11,.25)}}@media(max-width:760px){.teacher-document-scroll{max-height:60vh}.teacher-document-preview>header{align-items:flex-start}.teacher-document-note-mode{font-size:7px;padding:6px}}