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24px}.sheet-body{flex-direction:column;flex:1;gap:20px;padding:24px;display:flex;overflow-y:auto}.sheet-body .banner{margin:0}.sheet-foot{border-top:1px solid var(--line);justify-content:flex-end;gap:8px;padding:16px 24px;display:flex}.sheet[open]{animation:.2s cubic-bezier(.16,1,.3,1) sheet-in}@keyframes sheet-in{0%{opacity:0;transform:scale(.97)}}.change{align-items:center;gap:8px;display:inline-flex}.change strong{min-width:64px}.change>svg{color:var(--text-2)}.no-mark{color:var(--text-2);font-size:14px}.toast-region{z-index:10;position:fixed;bottom:24px;left:24px}.toast{background:var(--canvas);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-float);align-items:center;gap:8px;padding:12px 16px;font-weight:500;animation:.2s ease-out toast-in;display:flex}.toast svg{color:var(--success-700)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}}@media (width<=640px){.crud .filters{flex-wrap:wrap}.toolbar-end{flex-wrap:wrap;width:100%}.crud .search{flex:200px}.crud .search input{width:100%}}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px;display:flex}.btn-icon{width:36px;padding:0}.sheet-wide{width:min(640px,100vw - 32px)}.sheet-wide[open]{flex-direction:column;display:flex}.dropzone{border:1px dashed var(--control-line);border-radius:var(--r-md);min-height:160px;color:var(--text-2);text-align:center;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;display:flex}.dropzone u{color:var(--ink);text-underline-offset:3px;font-weight:600}.dropzone.over{border-color:var(--ink);background:var(--neutral-tint)}.dropzone:has(input:focus-visible){outline:2px solid var(--ink);outline-offset:2px}@media (hover:hover){.dropzone:hover{border-color:var(--ink)}}.link{color:var(--ink);font:inherit;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:0;font-weight:600;text-decoration:underline}.import-summary{font-weight:600}.import-tools{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.import-table{border:1px solid var(--line);border-radius:var(--r-md);max-height:360px;overflow:auto}.import-table td{white-space:normal}.import-table th{background:var(--canvas);position:sticky;top:0}.problem{color:var(--danger);margin-top:4px;font-size:14px}.import-done:empty{display:none}.import-done{margin:-4px 0 12px}.import-done svg{color:var(--success-700)}.import-table td{overflow-wrap:anywhere}@media (width<=480px){.import-table th,.import-table td{padding-left:8px;padding-right:8px}.sheet-foot{flex-wrap:wrap}.sheet-foot .btn{white-space:nowrap;flex:auto}}.course-table tbody+tbody{border-top:1px solid var(--line)}.course-table .course-cell{vertical-align:top;color:var(--ink);border-bottom:0;padding:14px 16px;font-size:15px;font-weight:400}.course-table .course-cell .row-actions{margin-top:10px}