.tc-course-page{max-width:960px;padding:var(--s6);margin:0 auto}.tc-course-header{margin-bottom:var(--s5);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.tc-course-card-list{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;width:100%;min-width:0;display:grid}.tc-course-card-header{cursor:pointer}.tc-course-card-header:hover .tc-plan-card-name{color:var(--brand,#1a5cff)}.tc-course-card{margin:0}.tc-type-cards{grid-template-columns:1fr 1fr;gap:16px;display:grid}.tc-type-card{border:2px solid var(--border,#eef0f4);text-align:center;cursor:pointer;background:var(--bg-card,#fff);border-radius:14px;padding:24px 18px;transition:all .15s}.tc-type-card:hover{border-color:var(--brand,#1a5cff);background:var(--bg-brand-soft,#eef3ff)}.tc-type-card-active{border-color:var(--brand,#1a5cff);background:var(--bg-brand-soft,#eef3ff);box-shadow:0 0 0 3px #1a5cff1f}.tc-type-card-icon{margin-bottom:10px;font-size:38px;line-height:1}.tc-type-card-title{color:var(--text);margin-bottom:4px;font-size:16px;font-weight:600}.tc-type-card-desc{color:var(--text-tertiary,#8a93a4);font-size:12px;line-height:1.5}.tc-importer-form{flex-direction:column;gap:16px;display:flex}.tc-importer-footer{border-top:1px solid var(--border,#eef0f4);justify-content:flex-end;margin-top:20px;padding-top:12px;display:flex}.tc-period-editor{width:100%}.tc-period-table{flex-direction:column;gap:6px;display:flex}.tc-period-row{align-items:center;gap:8px;display:flex}.tc-period-head{color:var(--text-tertiary,#8a93a4);padding:0;font-size:12px;font-weight:600}.tc-period-head>span{text-align:left}.tc-color-palette{flex-wrap:wrap;gap:8px;display:flex}.tc-color-swatch{cursor:pointer;border:2px solid #0000;border-radius:50%;width:28px;height:28px;padding:0;transition:transform .1s}.tc-color-swatch:hover{transform:scale(1.12)}.tc-color-swatch-active{border-color:#fff;transform:scale(1.08);box-shadow:0 0 0 3px #1a5cff,0 0 0 5px #1a5cff40}.tc-course-grid-wrap{width:100%}.tc-course-grid-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;display:flex}.tc-course-grid-scroll{border:1px solid var(--border,#eef0f4);background:var(--bg-soft,#f8f9fb);border-radius:10px;overflow-x:auto}.tc-course-grid{background:var(--border,#e5e9f0);gap:1px;min-width:520px;display:grid;position:relative}.tc-grid-corner{background:var(--bg-card,#fff);z-index:2;grid-area:1/1;position:sticky;left:0}.tc-grid-head{background:var(--bg-card,#fff);color:var(--text-secondary,#6b7a96);text-align:center;box-sizing:border-box;justify-content:center;align-items:center;height:40px;padding:10px 4px;font-size:13px;font-weight:600;display:flex}.tc-grid-period{background:var(--bg-card,#fff);z-index:2;flex-direction:column;justify-content:center;align-items:center;font-size:12px;display:flex;position:sticky;left:0}.tc-grid-period-no{color:var(--text);font-weight:600}.tc-grid-period-time{color:var(--text-tertiary,#9aa3b2);font-size:10px}.tc-grid-cell{background:var(--bg-card,#fff);cursor:pointer;justify-content:center;align-items:center;transition:background .12s;display:flex}.tc-grid-cell:hover{background:var(--bg-brand-soft,#eef3ff)}.tc-grid-cell-add{color:var(--text-tertiary,#c4cad6);opacity:0;font-size:13px;transition:opacity .12s}.tc-grid-cell:hover .tc-grid-cell-add{opacity:1}.tc-grid-course{color:#fff;cursor:pointer;z-index:3;border-radius:6px;flex-direction:column;gap:2px;padding:6px 8px;transition:opacity .15s,transform .1s;display:flex;position:absolute;overflow:hidden;box-shadow:0 1px 4px #00000026}.tc-grid-course:hover{transform:translateY(-1px);box-shadow:0 3px 8px #0003}.tc-grid-course-dimmed{opacity:.25}.tc-grid-course-name{text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:600;line-height:1.25;overflow:hidden}.tc-grid-course-loc{opacity:.9;text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.tc-grid-course-weeks{opacity:.85;margin-top:auto;font-size:10px}.tc-excel-panel,.tc-ics-panel{width:100%}.tc-excel-actions{flex-direction:column;gap:8px;display:flex}.tc-excel-actions .ant-upload-wrapper,.tc-ics-panel .ant-upload-wrapper{width:100%}@media (max-width:640px){.tc-type-cards{grid-template-columns:1fr}.tc-course-page{padding:var(--s4)}}.tc-share-modal{padding:4px 0}.tc-share-qr{flex-direction:column;align-items:center;gap:8px;padding:16px 0 8px;display:flex}.tc-share-qr-img{border-radius:12px;width:200px!important;height:200px!important}.tc-share-qr-caption{color:var(--color-text-secondary,#888);font-size:13px}.tc-share-expiry{color:var(--color-text-secondary,#999);font-size:12px}.tc-share-page{max-width:920px;margin:0 auto}.tc-share-loading{justify-content:center;padding:80px 0;display:flex}.tc-share-card{border-radius:16px}.tc-share-head h3{margin-bottom:8px}.tc-share-actions{justify-content:center;gap:12px;margin-top:24px;display:flex}.tc-share-periods{border:1px solid var(--color-border-secondary,#f0f0f0);background:var(--color-fill-quaternary,#fafafa);border-radius:12px;margin-bottom:16px;padding:12px 14px}.tc-share-periods-title{margin-bottom:8px;font-size:14px;font-weight:600}.tc-share-periods-body{flex-wrap:wrap;gap:6px 20px;display:flex}.tc-share-periods-row{align-items:baseline;gap:8px;font-size:13px;display:flex}.tc-share-periods-no{color:var(--color-text-secondary,#666);min-width:46px}.tc-share-periods-time{font-variant-numeric:tabular-nums}.tc-share-grid{flex-direction:column;gap:6px;min-width:0;padding-bottom:8px;display:flex;overflow-x:auto}.tc-share-grid-row{align-items:stretch;gap:6px;display:flex}.tc-share-grid-row-head{align-items:center}.tc-share-grid-head{min-width:72px;color:var(--color-text-secondary,#666);text-align:center;flex:1 1 0;padding:6px 0;font-size:13px;font-weight:600}.tc-share-period{color:var(--color-text-secondary,#888);flex-direction:column;flex:0 0 56px;justify-content:center;align-items:center;font-size:12px;display:flex}.tc-share-cell{flex:1 1 0;min-width:72px}.tc-share-period-no{font-weight:600}.tc-share-cell{border-radius:8px;min-height:56px;padding:6px}.tc-share-cell-empty{background:var(--color-fill-quaternary,#f5f5f5)}.tc-share-cell-covered{opacity:.85}.tc-share-cell-course{color:#fff;flex-direction:column;gap:2px;font-size:12px;display:flex;overflow:hidden}.tc-share-cell-name{word-break:break-all;font-weight:600;line-height:1.3}.tc-share-cell-loc{opacity:.9;font-size:11px}.tc-shared-task-list{flex-direction:column;gap:10px;display:flex}.tc-shared-task{border:1px solid var(--color-border-secondary,#f0f0f0);background:var(--color-fill-quaternary,#fafafa);border-radius:10px;padding:12px 14px}.tc-shared-task-head{justify-content:space-between;align-items:center;gap:8px;margin-bottom:6px;display:flex}.tc-shared-task-name{font-size:15px;font-weight:600}.tc-shared-task-meta{color:var(--color-text-secondary,#666);word-break:break-word;font-size:13px;line-height:1.8}.tc-shared-task-note{color:var(--color-text,#333);margin-top:2px}.tc-shared-plan-detail{flex-direction:column;gap:10px;display:flex}.tc-shared-plan-detail .sr-meta-row{align-items:flex-start;gap:12px;font-size:14px;display:flex}