.teacher-workspace{--tw-blue:#2466df;--tw-ink:#173451;--tw-muted:#687c93;max-width:1280px;margin:0 auto;color:var(--tw-ink)}
#tw-question-bank{max-height:620px;overflow-y:auto;padding-right:5px;scrollbar-gutter:stable}
@media(max-width:700px){#tw-question-bank{max-height:440px}}
.tw-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:4px 0 24px}.tw-heading h1{font-size:29px;letter-spacing:-.6px;margin:8px 0}.tw-heading p{color:var(--tw-muted);max-width:710px;line-height:1.65;margin:0}.tw-back{font-size:12px;color:var(--tw-muted)}
.tw-heading>.btn{white-space:nowrap}.teacher-workspace .btn svg,.tw-quick-actions svg,.tw-action-icon svg{width:20px;height:20px;flex-shrink:0}.teacher-workspace .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px}.teacher-workspace .btn:not(.secondary):not(.text){background:var(--tw-blue);color:#fff}
.tw-tabs{display:flex;gap:6px;overflow-x:auto;background:white;border:1px solid #e1e8f1;border-radius:12px;padding:6px;margin:0 0 24px}.tw-tabs a{padding:11px 15px;font-size:13px;white-space:nowrap;border-radius:8px;color:var(--tw-muted);font-weight:600}.tw-tabs a[aria-current]{background:#edf3ff;color:#205dd4}.tw-tabs a:hover{background:#f2f6fb}
.tw-hero{background:#173e6b;border-radius:16px;padding:27px 30px;color:white;display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:22px}.tw-hero h2{color:white;font-size:23px;margin:5px 0 9px}.tw-hero p{color:#cbddf0;line-height:1.65;margin:0;max-width:670px}.tw-hero small{letter-spacing:1.3px;font-weight:600;color:#a8dbe3}.tw-hero-mark{font-size:49px;color:#91cce6;flex-shrink:0}.tw-action-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:24px}.tw-action{border:1px solid #dce6f1;border-radius:14px;padding:23px;background:white;display:flex;flex-direction:column;align-items:flex-start;transition:border-color .15s,transform .15s}.tw-action:hover{border-color:#6a9ce6;transform:translateY(-2px)}.tw-action-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:#eef3ff;color:#2c6ad7;border-radius:12px}.tw-action:nth-child(2) .tw-action-icon{color:#12817b;background:#e8f6f2}.tw-action:nth-child(3) .tw-action-icon{color:#8054bb;background:#f3edfa}.tw-action h2{font-size:17px;margin:17px 0 8px}.tw-action p{font-size:13px;line-height:1.7;color:var(--tw-muted);margin:0 0 20px;flex:1}.tw-action strong{font-size:13px;color:#235ec7}
.tw-panel{border:1px solid #e0e7ef;border-radius:14px;background:white;padding:24px;margin-bottom:20px}.tw-panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.tw-panel-head h2{font-size:18px;margin:0}.tw-panel-head p{font-size:12px;color:var(--tw-muted);margin:6px 0 0}.tw-filters{display:flex;gap:10px;max-width:480px}.tw-filters input{min-width:0}.tw-filters select{width:125px}.tw-table-wrap{overflow-x:auto}.tw-table{width:100%;border-collapse:collapse;font-size:13px}.tw-table th{text-align:left;padding:12px;background:#f5f8fc;color:#6a7e95;font-weight:600}.tw-table td{padding:17px 12px;border-bottom:1px solid #eef2f7}.tw-table td:first-child{width:55%}.tw-table strong{display:block;font-size:14px}.tw-table small{display:block;margin-top:5px;color:var(--tw-muted)}.tw-table a{color:#235ec7;font-weight:600}.tw-empty{padding:30px;text-align:center;background:#f7f9fc;border:1px dashed #cfdce9;border-radius:10px;color:var(--tw-muted);line-height:1.7}.tw-empty p{margin:5px 0 16px}.tw-quick-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}.tw-quick-actions a{display:flex;gap:9px;align-items:center;background:#fff;border:1px solid #dce6f1;border-radius:9px;padding:11px 16px;color:#245dba;font-size:13px;font-weight:600}
.tw-steps{display:flex;gap:10px;margin:0 0 22px;padding:0;list-style:none}.tw-steps li{flex:1;border-bottom:3px solid #e2eaf5;padding:10px 0;color:var(--tw-muted);font-size:12px}.tw-steps b{display:inline-grid;place-items:center;background:#eef3fb;border-radius:50%;width:23px;height:23px;margin-right:6px}.tw-steps li[aria-current="step"]{color:#2762c7;border-color:#3875df}
.tw-editor-grid{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:22px;align-items:start}.tw-editor-main{min-width:0}.tw-editor-meta{display:grid;grid-template-columns:1fr 140px;gap:16px}.tw-ai-box{background:#f3f6fe;border:1px solid #dce5f5;border-radius:12px;padding:18px}.tw-ai-box h3{font-size:15px;margin:0 0 8px}.tw-ai-box p{font-size:12px;line-height:1.7;color:var(--tw-muted)}.tw-ai-box textarea{min-height:130px;font-size:13px}.tw-ai-box .btn{width:100%;margin-top:10px}.teacher-workspace textarea{resize:vertical;min-height:95px;width:100%;border:1px solid #d4dfeb;border-radius:9px;padding:12px}.teacher-workspace textarea[data-field=title],.teacher-workspace textarea[data-field=topic],.teacher-workspace textarea[data-field=answer]{min-height:48px;height:48px}.teacher-workspace .field{font-size:13px;color:#304c6c}.tw-symbols{display:flex;gap:6px;flex-wrap:wrap;background:#f7f9fc;padding:10px;border-radius:10px;border:1px solid #e3eaf3}.tw-symbols .btn{font-size:12px;padding:7px 10px}.tw-review-panel{border:1px solid #b9d4f3;border-radius:12px;padding:22px;background:#f8fbff;margin:18px 0}.tw-review-panel h3{margin-top:0}.tw-error-tags{display:flex;flex-wrap:wrap;gap:6px 15px;border:1px solid #dce5ef;border-radius:10px;margin:20px 0;padding:14px}.tw-error-tags .field{font-weight:400;margin:5px 0}.tw-error-tags legend{font-size:12px;padding:0 7px;color:var(--tw-muted)}
.tw-dropzone{border:2px dashed #b9cde6;border-radius:12px;background:#f6f9ff;padding:24px;text-align:center}.tw-dropzone.is-dragging{border-color:#2169dc;background:#e9f1ff}.tw-dropzone>strong{display:block;font-size:16px;margin:8px 0}.tw-dropzone p{font-size:12px;line-height:1.6;color:var(--tw-muted)}.tw-dropzone input{max-width:100%;font-size:12px;background:#fff}.tw-file-summary{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid #d6e4f5;background:#fff;border-radius:9px;padding:12px;margin-top:13px;text-align:left;font-size:12px;overflow-wrap:anywhere}.tw-file-summary button{border:0;background:#edf2fa;padding:7px 10px;border-radius:6px;color:#476181}.tw-upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:start}.tw-doc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.teacher-workspace .uploaded-lesson{border:1px solid #e0e7ef;border-radius:10px;padding:18px;min-width:0}.teacher-workspace .uploaded-lesson h3{font-size:15px}.teacher-workspace .uploaded-lesson .hint{overflow-wrap:anywhere}
.tw-exam-grid{display:grid;grid-template-columns:minmax(0,1fr) 295px;gap:20px;align-items:start}.tw-exam-summary{position:sticky;top:20px}.tw-question{display:flex;align-items:flex-start;gap:12px;padding:16px;border:1px solid #e1e8f1;border-radius:10px;margin-bottom:10px;cursor:pointer}.tw-question:has(input:checked){border-color:#3b7add;background:#f1f6ff}.tw-question input{margin-top:4px;accent-color:#2867d0;width:17px;height:17px;flex-shrink:0}.tw-question>span{flex:1;min-width:0}.tw-question small{display:block;color:var(--tw-muted);font-size:11px;margin-top:7px}.tw-selected{padding:0;list-style:none}.tw-selected li{display:flex;gap:10px;align-items:flex-start;border-bottom:1px solid #e6edf5;padding:10px 0;font-size:12px}.tw-selected span{flex:1;min-width:0}.tw-selected button{border:0;background:#edf2f8;color:#64768b;border-radius:4px;padding:3px 7px}.tw-exam-summary .btn{width:100%}.tw-exam-total{font-size:30px;font-weight:700;color:#2364d2}.tw-status{font-size:13px;line-height:1.6;color:#246647}.tw-exam-meta{display:grid;grid-template-columns:1fr 180px;gap:16px}.teacher-workspace [hidden]{display:none!important}
@media(max-width:1100px){.tw-editor-grid{grid-template-columns:minmax(0,1fr)}.tw-ai-box textarea{min-height:85px}.tw-exam-grid{grid-template-columns:minmax(0,1fr) 250px}.tw-heading{align-items:flex-start}.tw-heading>.btn{white-space:normal}.tw-action{padding:18px}}
@media(max-width:700px){.tw-heading{display:block}.tw-heading>.btn{margin-top:15px}.tw-heading h1{font-size:25px}.tw-action-grid,.tw-upload-grid,.tw-doc-grid,.tw-exam-grid{grid-template-columns:1fr}.tw-hero{padding:22px}.tw-hero-mark{display:none}.tw-panel{padding:17px}.tw-panel-head{align-items:stretch;flex-direction:column}.tw-filters{max-width:none}.tw-exam-summary{position:static}.tw-editor-meta,.tw-exam-meta{grid-template-columns:1fr}.tw-tabs a{padding:9px 11px;font-size:12px}.tw-steps{gap:6px}.tw-steps li{font-size:11px}.tw-quick-actions a{flex:1;min-width:130px}.tw-table{min-width:540px}.tw-dropzone{padding:16px}.tw-action-grid{gap:10px}.tw-action{display:grid;grid-template-columns:44px 1fr;gap:0 14px}.tw-action h2{margin:0 0 6px}.tw-action-icon{grid-row:1/4}.tw-action p{margin:0 0 10px}.tw-action strong{grid-column:2}}
.document-toolbar{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin:20px 0;padding-bottom:20px;border-bottom:1px solid #dce6f4}.document-toolbar label{display:flex;align-items:center;gap:12px;font-size:14px}.document-toolbar select{padding:10px;border:1px solid #cbd9ed;border-radius:8px;background:white;color:#234773}.document-toolbar>span{font-size:13px;color:#637795}.document-toolbar>.btn{margin-left:auto}.uploaded-lessons .uploaded-lesson[hidden]{display:none!important}@media(max-width:600px){.document-toolbar{align-items:stretch;flex-direction:column;gap:12px}.document-toolbar>.btn{margin-left:0}}