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24px}td{padding:17px 24px;border-bottom:1px solid #f0f2f6}tr:last-child td{border-bottom:0}tbody tr:hover{background:#fbfcff}.student-name{display:flex;gap:11px;align-items:center;font-weight:500}.student-name .avatar{border-radius:10px;font-size:13px;width:34px;height:34px}.student-name small{display:block;font-size:12px;font-weight:400;margin-top:4px}.tag{display:inline-block;padding:4px 9px;border-radius:5px;font-size:12px;background:#f0f4fa;color:#78849a}.tag.green{color:#348261;background:#eaf6ee}.tag.orange{color:#bb8834;background:#fff5e5}.tag.blue{color:var(--blue);background:#edf2ff}.table-footer{padding:15px 24px;border-top:1px solid var(--line);font-size:12px;color:#919bad;display:flex;justify-content:space-between}.note{display:flex;align-items:start;gap:10px;padding:15px 18px;border:1px solid #dde8ff;background:#eff4ff;border-radius:10px;color:#6580b7;font-size:13px;line-height:1.8}.note strong{color:#42659f}.icon{display:inline-flex;align-items:center;justify-content:center}.icon svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.profile-banner{display:flex;gap:18px;align-items:center;padding:24px}.profile-banner .avatar{width:64px;height:64px;border-radius:17px;font-size:25px}.profile-banner h2{font-size:23px;margin:0 0 7px}.tabs{display:flex;gap:24px;padding:0 24px;border-top:1px solid var(--line)}.tabs button{border:0;border-radius:0;padding:16px 0;color:#8090a8}.tabs button.active{color:var(--blue);box-shadow:inset 0 -3px var(--blue)}.record-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding:24px}.record{border:1px solid var(--line);border-radius:10px;padding:20px}.record-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.record h3{margin:0}.record-value{font-size:30px;color:var(--blue);font-weight:600;margin:15px 0}.record p{font-size:14px;line-height:1.8;color:#64718a;overflow-wrap:anywhere;white-space:pre-wrap}.record-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:12px;font-size:12px;color:#8793a6}.empty{padding:50px 24px;text-align:center;color:#8a96ab;line-height:1.9}.permissions{display:grid;grid-template-columns:240px 1fr;gap:22px}.people{display:flex;flex-direction:column;gap:12px}.person{padding:18px;text-align:left;display:flex;gap:12px;align-items:center}.person.active{background:#eef3ff;border-color:#a8bef1}.person small{display:block;font-size:12px;margin-top:5px}.permission-body{padding:24px}.check-row{display:flex;align-items:center;gap:9px;margin:14px 0}.class-checks{display:flex;gap:25px;flex-wrap:wrap;margin-bottom:28px}.permission-table td,.permission-table th{padding:15px}.permission-footer{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:22px}.parent-intro{max-width:480px;margin:45px auto 80px;text-align:center}.parent-symbol{width:80px;height:80px;margin:0 auto 26px;display:grid;place-items:center;background:#eaf0ff;color:var(--blue);border-radius:25px}.parent-symbol svg{width:36px;height:36px}.parent-form{text-align:left;padding:30px;margin-top:27px}.parent-form input,.parent-form button{width:100%;margin-top:12px}.parent-form label{font-size:14px}.parent-form .examples{display:flex;gap:8px;align-items:center;margin-top:20px;font-size:12px;color:#8793a6}.parent-form .examples button{width:auto;margin:0;font-size:12px;padding:5px 8px}.error{color:#c74e4e;font-size:14px;margin-top:12px}.parent-profile{max-width:1000px;margin:auto}.actions{display:flex;gap:9px;align-items:center}.page-footer{text-align:center;color:#9ba5b6;font-size:12px;margin-top:30px}dialog{border:0;border-radius:16px;padding:0;width:480px;max-width:calc(100% - 32px);box-shadow:0 25px 90px #17295133}dialog::backdrop{background:#172a4c66;backdrop-filter:blur(3px)}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:22px 26px;border-bottom:1px solid var(--line)}.modal-head h2{margin:0}.modal-body{padding:24px 26px}.modal-body label{display:block;font-size:14px;margin-bottom:17px}.modal-body input,.modal-body select,.modal-body textarea{width:100%;margin-top:7px}.modal-body textarea{min-height:90px;resize:vertical}.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:18px 26px;border-top:1px solid var(--line)}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);padding:12px 22px;background:#243b63;color:white;box-shadow:0 8px 30px #17295120;border-radius:9px;display:none;z-index:10;font-size:14px;max-width:90%}
@media(min-width:1500px){main{padding-top:42px}.stat{padding:26px}td{padding-top:20px;padding-bottom:20px}}@media(max-width:1100px){.shell{grid-template-columns:190px 1fr}.sidebar{padding:25px 12px}.brand{font-size:17px;padding-left:4px}.topbar{padding:0 24px}main{padding:26px 24px}.stats{gap:10px}.stat{padding:18px 15px}.stat .icon{right:12px}.stat strong{font-size:27px}.permissions{grid-template-columns:190px 1fr}}@media(max-width:760px){.shell{display:block}.sidebar{position:relative;height:auto;padding:15px;border-right:0;border-bottom:1px solid var(--line)}.brand{padding:0 0 15px;font-size:18px}.brand small{display:none}.brand-mark{width:31px;height:31px;border-radius:9px}.nav-label,.sidebar-bottom{display:none}.nav{flex-direction:row;gap:4px;overflow:auto}.nav button{white-space:nowrap;padding:10px 12px;font-size:13px}.nav .icon{display:none}.topbar{height:auto;padding:14px 18px;flex-wrap:wrap}.breadcrumb{font-size:12px}.identity{margin-left:auto}.identity .avatar{display:none}.identity label{display:none}.identity select{max-width:225px;font-size:13px}main{padding:24px 16px}.heading{align-items:flex-start;gap:10px}.heading h1{font-size:24px}.heading p{font-size:13px}.term{font-size:11px;padding:7px}.stats{grid-template-columns:repeat(2,1fr);gap:12px}.stat{padding:18px}.stat p{font-size:12px}.stat .icon{top:15px;right:15px;padding:6px}.stat strong{font-size:27px}.stat small{font-size:11px}.toolbar{padding:15px;flex-wrap:wrap}.search{max-width:none;min-width:160px}.card-header{padding:18px 16px}.card-header h2{font-size:16px}th,td{padding:14px 16px}.record-grid{grid-template-columns:1fr;padding:16px}.permissions{grid-template-columns:1fr}.people{flex-direction:row}.person{padding:12px;flex:1}.person .avatar{display:none}.permission-body{padding:17px}.permission-footer{align-items:flex-start;flex-direction:column}.parent-intro{margin:20px auto}.parent-form{padding:22px}.profile-banner{padding:22px 16px}.profile-banner .avatar{width:51px;height:51px}.profile-banner small{font-size:12px}.tabs{padding:0 16px}.heading .actions{flex-wrap:wrap;justify-content:flex-end}.note{font-size:12px}.table-footer{padding:14px 16px}.parent-profile .heading{flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.workspace{min-width:0}.subtabs{display:flex;gap:10px;flex-wrap:wrap;background:#fafbfe;padding:16px 24px;border-top:1px solid var(--line)}.subtabs button{background:transparent;border:1px solid transparent;color:#6c7b91}.subtabs button.active{background:white;border-color:#cbdafa;color:var(--blue);box-shadow:0 2px 5px #28487508}.subtabs span{margin-left:5px;font-size:12px;opacity:.65}.record-meta{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.comment-label{display:block;color:#919bb0;font-size:12px;margin-bottom:5px}.record-top{align-items:flex-start}.record-top small{white-space:nowrap}.modal-body{max-height:65vh;overflow:auto}@media(max-width:760px){.subtabs{padding:13px 16px;gap:6px}.subtabs button{font-size:13px;padding:8px}.heading .term{white-space:normal;max-width:130px;text-align:right}.record-top h3{line-height:1.6}}

.people{align-self:start}.person{overflow-wrap:anywhere}.person span{min-width:0}.person .avatar{flex-shrink:0}.identity select{max-width:300px}@media(max-width:760px){.people{overflow-x:auto;padding-bottom:6px}.person{min-width:135px;flex:0 0 auto}}

.message-form{padding:24px}.message-form label{display:block;margin-bottom:10px}.message-form textarea{width:100%;min-height:120px;resize:vertical;margin-bottom:10px}.message-form small{display:block;line-height:1.7}.message-actions{display:flex;justify-content:space-between;align-items:center;margin-top:16px}.message-content{white-space:pre-wrap;overflow-wrap:anywhere}.record time{font-size:12px;line-height:1.8}.message-form+.card-header{border-top:1px solid var(--line)}@media(max-width:760px){.message-form{padding:16px}.nav{flex-wrap:wrap}.record-top time{max-width:145px}}

.parent-query-form{padding:24px}.parent-query-form>label{display:block;margin-bottom:10px}.query-row{display:flex;gap:12px}.query-row input{flex:1}.parent-query-form .examples{font-size:13px;color:var(--muted);margin:10px 0}.message-form textarea:disabled{background:#f5f7fb}@media(max-width:500px){.parent-query-form{padding:16px}.query-row{flex-direction:column}.parent-profile>.heading{flex-wrap:wrap}}

.teacher-reply{background:#f2f6ff;padding:16px;border-radius:9px;margin:14px 0}.teacher-reply p:last-child{margin-bottom:0}.teacher-reply time{color:var(--muted)}
.card-header .actions button{white-space:nowrap}
.grade-filters{flex-wrap:wrap;align-items:flex-end}.grade-filters label{display:flex;flex-direction:column;gap:7px;font-size:13px;min-width:160px}.grade-filters label:first-child{flex:1}.grade-filters input[type=search]{min-width:220px;flex:1}
#grade-management .table-footer{justify-content:flex-start;gap:4px;flex-wrap:wrap}
.grade-table-wrap{max-height:64vh;overflow:auto;position:relative;overscroll-behavior:contain}.grade-table th{position:sticky;top:0;z-index:1;background:#eef3fb;color:#4e6181;font-weight:500}.grade-table th:first-child,.grade-table td:first-child{position:sticky;left:0;background:#fff;z-index:1}.grade-table th:first-child{background:#eef3fb;z-index:2}
.grade-table td,.grade-table th{padding:13px 18px}.grade-table td.numeric{text-align:right;font-variant-numeric:tabular-nums}.grade-table td.identifier{font-family:Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:.3px}.grade-table h3{font-size:14px;margin:0 0 5px}.grade-table td small{font-size:12px}.original-rank{display:block}.grade-stats .stat strong{font-size:26px}.grade-stats .stat{min-width:0}
.grade-metadata{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.grade-import-modal{width:1040px}.grade-import-modal .grade-table-wrap{max-height:36vh}.grade-import-modal .check-row input{width:17px;margin:0}.grade-import-modal .modal-body{max-height:75vh}.grade-import-modal .note{margin-bottom:16px}.grade-import-modal .grade-table select{min-width:160px}
@media(max-width:760px){.grade-table-wrap::before{content:'左右滑动查看完整表格';display:block;position:sticky;left:0;width:100%;padding:9px 12px;background:#f8faff;color:#687b9b;font-size:12px;white-space:normal}}
@media(max-width:760px){.heading:has(+.card .grade-filters){flex-wrap:wrap}.grade-filters input[type=search]{width:100%;min-width:0}.grade-metadata{grid-template-columns:1fr}.grade-table td,.grade-table th{padding:12px}.grade-import-modal .modal-body{padding:18px 16px}.grade-stats .stat strong{font-size:23px}#grade-management .heading{flex-wrap:wrap}#grade-management .heading .actions{flex-wrap:wrap;justify-content:flex-start}.grade-filters label{min-width:0;width:100%}.grade-filters select{max-width:100%}}
[hidden]{display:none!important}
.auth-page{max-width:560px;padding-top:8vh}.auth-card{padding:32px}.auth-card .brand{padding:0 0 24px}.auth-card .brand small{letter-spacing:0}
.auth-card form label,.settings-form label{display:block;margin-bottom:18px}
.auth-card input,.settings-form input{display:block;width:100%;margin-top:8px}
.auth-card button[type=submit]{width:100%;margin:18px 0}.auth-card>p:last-child{margin-top:18px;font-size:12px;line-height:1.8}
.settings-form{padding:24px;max-width:560px}.identity{flex-wrap:wrap}.identity>span{font-size:13px}.audit-record{margin:16px}.audit-record pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px}
@media(max-width:760px){.topbar .identity{margin-left:0;gap:7px}.topbar .identity button{font-size:12px;padding:7px}.auth-card{padding:22px}}
.storage-warning,.sync-warning{margin-bottom:18px;background:#fff8e9;border-color:#f0d69f;color:#8b6521}
.classroom-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.9}.classroom-excerpt{white-space:pre-wrap;overflow-wrap:anywhere;max-width:460px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:8px 0;font-size:13px;line-height:1.7}.classroom-entry .record-footer{gap:12px;flex-wrap:wrap}.classroom-entry .record-footer>span{overflow-wrap:anywhere;min-width:0}#classroom-form textarea{min-height:170px}.permission-body>label{display:block;margin-bottom:24px;font-size:13px}.permission-body>label input{display:block;width:100%;margin-top:9px}
@media(max-width:760px){#classroom-management .actions{flex-wrap:wrap}.classroom-entry .record-top{flex-wrap:wrap}#classroom-management .search{max-width:100%}}
.recent-exam{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px;margin-bottom:24px;border-color:#cbdafa;background:#f8faff}.recent-exam h2{margin:12px 0}.recent-exam p{font-size:14px;line-height:1.8;margin:6px 0}.recent-exam button{flex-shrink:0}
@media(max-width:760px){.recent-exam{align-items:flex-start;flex-direction:column;padding:18px}.recent-exam button{width:100%}}
dialog .sync-warning{margin:14px 24px 0}
@media(max-width:760px){.card-header{flex-wrap:wrap}.card-header .actions{width:100%;flex-wrap:wrap}.card-header .actions>.muted{margin-right:auto}.profile-banner{flex-wrap:wrap}}