:root{--bg:#F5F3EF;--panel:#fff;--line:#E7E2D9;--text:#1F1E1B;--muted:#8A857C;--teal:#C96442;--teal-dark:#A8552F;--teal-soft:#F5E8DF;--blue:#3b82f6;--orange:#e78713;--red:#de4f55;--shadow:0 8px 30px rgba(80,60,40,.07);--radius:18px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;color:var(--text);background:var(--bg)}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}.app-shell{min-height:100vh;display:flex}.sidebar{width:248px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:18px 14px;z-index:40}.brand{height:72px;display:flex;align-items:center;gap:13px;padding:0 4px 14px;border-bottom:1px solid #ECE8E0}.brand-mark{width:50px;height:50px;border-radius:14px;background:linear-gradient(145deg,#C96442,#B85C3E);color:#fff;display:grid;place-items:center;font-size:28px;box-shadow:0 6px 14px rgba(201,100,66,.20)}.brand strong{display:block;font-size:18px}.brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}.nav-list{display:grid;gap:7px;padding-top:16px;overflow:auto}.nav-item{border:0;background:transparent;text-align:left;padding:12px 14px;border-radius:12px;display:flex;align-items:center;gap:12px;color:#57534E}.nav-item:hover{background:#f3f8f8}.nav-item.active{background:var(--teal-soft);color:var(--teal-dark);font-weight:700}.nav-icon{width:24px;text-align:center}.sidebar-footer{margin-top:auto;padding:16px 8px 2px;display:grid;gap:9px;color:var(--muted);font-size:12px}.link-button{border:0;background:none;padding:0;text-align:left;color:var(--teal-dark)}.main-area{margin-left:248px;width:calc(100% - 248px);min-width:0}.topbar{min-height:96px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:20px 32px;gap:16px;position:sticky;top:0;z-index:25}.topbar h1{font-size:26px;margin:0 0 4px}.topbar p{margin:0;color:var(--muted);font-size:14px}.top-summary{margin-left:auto;text-align:right;color:var(--muted);font-size:13px}.top-summary strong{display:block;color:var(--text);font-size:15px}.page-root{padding:28px 32px 60px;max-width:1700px;margin:0 auto}.menu-toggle{display:none}.icon-button{border:1px solid var(--line);background:#fff;border-radius:10px;width:40px;height:40px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card-title{font-size:17px;font-weight:700;margin:0}.muted{color:var(--muted)}.sidebar-scrim{display:none}.toast-root{position:fixed;right:24px;bottom:24px;z-index:120;display:grid;gap:10px}
@media(max-width:900px){.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:translateX(0)}.sidebar-scrim.show{display:block;position:fixed;inset:0;background:rgba(50,40,30,.25);z-index:35}.main-area{margin-left:0;width:100%}.menu-toggle{display:inline-grid;place-items:center}.topbar{padding:16px 18px}.page-root{padding:20px 18px 50px}}
.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.85fr);gap:20px}.overview-card{min-height:310px;background:linear-gradient(135deg,#fff 55%,#eef9f7)}.section-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.section-head h2{font-size:19px;margin:0}.eyebrow{margin:0 0 5px;color:var(--teal-dark);font-size:12px;font-weight:700;letter-spacing:.06em}.pill{background:var(--teal-soft);color:var(--teal-dark);border-radius:999px;padding:7px 11px;font-size:12px}.overview-metrics{display:flex;align-items:center;gap:28px;margin-top:8px}.big-metric{display:grid;grid-template-columns:54px auto;grid-template-rows:auto auto;column-gap:14px;align-items:center}.metric-icon{grid-row:1/3;width:54px;height:54px;border-radius:16px;background:var(--teal-soft);display:grid;place-items:center;color:var(--teal-dark);font-weight:700}.big-metric strong{font-size:38px;line-height:1}.big-metric small{color:var(--muted);margin-top:4px}.mini-metrics{display:flex;flex-wrap:wrap;gap:10px}.mini-metrics span{background:#fff;border:1px solid var(--line);border-radius:12px;padding:9px 12px;color:var(--muted);font-size:13px}.mini-metrics b{color:var(--text);font-size:17px;margin-right:4px}.quick-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.quick-link{border:1px solid var(--line);background:#fff;padding:10px 14px;border-radius:11px}.quick-link:hover{border-color:#E3C9B8;color:var(--teal-dark)}.attendance-card{min-height:310px}.stat-grid{display:grid;gap:12px}.stat-grid.four{grid-template-columns:repeat(4,1fr)}.stat{border:1px solid var(--line);border-radius:15px;padding:18px 10px;text-align:center;background:#fff}.stat strong{font-size:28px;display:block}.stat span{font-size:13px;color:var(--muted)}.stat.teal strong{color:var(--teal)}.stat.blue strong{color:var(--blue)}.stat.orange strong{color:var(--orange)}.stat.red strong{color:var(--red)}.helper{font-size:12px;color:var(--muted);margin:16px 0 0}.todo-card,.notice-card{min-height:330px}.birthday-card{grid-column:1/-1}.item-list{display:grid;gap:4px}.todo-item{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid #ECE8E0}.todo-item:last-child{border-bottom:0}.check-button{width:20px;height:20px;border-radius:6px;border:2px solid #C9BFB2;background:#fff;flex:0 0 auto}.check-button:hover{border-color:var(--teal)}.item-main{min-width:0;flex:1;display:grid;gap:4px}.item-main strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item-main>span{font-size:12px;color:var(--muted)}.badge{display:inline-block;border-radius:999px;padding:2px 7px;font-size:10px;margin-left:6px}.badge.danger{background:#fdebed;color:#b73c43}.badge.warning{background:#fff3dc;color:#9b6205}.badge.muted-badge{background:#eef2f2;color:#8A857C}.btn{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 14px}.btn:hover{border-color:#DFC5B4}.btn.primary{background:var(--teal);color:#fff;border-color:var(--teal)}.btn.small{padding:7px 10px;font-size:12px}.text-btn,.icon-text{border:0;background:none;color:var(--teal-dark);padding:4px;font-size:12px}.danger-text{color:var(--red)}.notice-row{border:0;background:#fff;text-align:left;width:100%;display:flex;align-items:flex-start;gap:10px;padding:12px 4px;border-bottom:1px solid #ECE8E0}.notice-row:hover{background:#F7F5F1}.notice-row .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);margin-top:6px}.notice-row span:last-child{display:grid;gap:4px}.notice-row strong{font-size:14px}.notice-row small{color:var(--muted)}.birthday-list{display:grid;grid-template-columns:repeat(3,minmax(180px,1fr));gap:12px}.birthday-row{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:13px;padding:12px}.avatar{width:36px;height:36px;border-radius:12px;background:var(--teal-soft);color:var(--teal-dark);display:grid;place-items:center;font-weight:700}.birthday-row>span:last-child{display:grid;gap:3px}.birthday-row small{color:var(--muted);font-size:12px}.empty{color:var(--muted);text-align:center;padding:30px 10px}.modal-backdrop{position:fixed;inset:0;background:rgba(45,38,30,.35);z-index:100;display:grid;place-items:center;padding:24px}.modal{width:min(760px,100%);max-height:88vh;background:#fff;border-radius:20px;box-shadow:0 24px 70px rgba(60,45,30,.22);overflow:hidden;display:flex;flex-direction:column}.modal.sm{width:min(540px,100%)}.modal.lg{width:min(980px,100%)}.modal.xl{width:min(1180px,100%)}.modal-head{height:76px;padding:0 24px;display:flex;align-items:center;border-bottom:1px solid var(--line);gap:12px}.modal-head h2{font-size:20px;margin:0;flex:1}.modal-close{border:0;background:none;font-size:30px;color:#9A948A;line-height:1}.modal-body{padding:24px;overflow:auto}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:grid;gap:7px}.field.full,.form-actions.full{grid-column:1/-1}.field span{font-size:13px;color:#5C5750;font-weight:600}.field input,.field select,.field textarea{width:100%;border:1px solid #D9D2C6;border-radius:10px;padding:10px 12px;background:#fff;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:#DCA98F;box-shadow:0 0 0 3px rgba(201,100,66,.10)}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:6px}.notice-detail{display:grid;gap:16px}.notice-meta{color:var(--muted);font-size:13px}.notice-detail p{margin:0;line-height:1.8}.danger-outline{color:var(--red);border-color:#efc7ca}.toast{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;padding:12px 16px;min-width:220px;transition:.2s}.toast.error{border-color:#efc7ca;color:#a93b42}.toast.out{opacity:0;transform:translateY(5px)}
@media(max-width:1100px){.dashboard-grid{grid-template-columns:1fr}.birthday-card{grid-column:auto}.birthday-list{grid-template-columns:repeat(2,minmax(170px,1fr))}}@media(max-width:640px){.page-root{padding:16px 12px 44px}.topbar{padding:14px 12px}.topbar h1{font-size:21px}.top-summary{display:none}.card{padding:16px;border-radius:15px}.stat-grid.four{grid-template-columns:repeat(2,1fr)}.overview-metrics{align-items:flex-start;flex-direction:column}.birthday-list{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full,.form-actions.full{grid-column:auto}.modal-backdrop{padding:10px}.modal{max-height:94vh}.modal-body{padding:18px}.modal-head{height:64px;padding:0 18px}}
.data-card{padding:0;overflow:hidden}.toolbar{padding:20px;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line)}.toolbar h2{margin-bottom:6px}.toolbar p{margin:0;font-size:12px}.toolbar-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}.search-box{height:40px;display:flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:10px;padding:0 10px;background:#fff;min-width:250px}.search-box input{border:0;outline:none;min-width:0;width:100%;background:transparent}.table-wrap{overflow:auto;max-width:100%}.data-table{width:100%;border-collapse:collapse;min-width:900px}.data-table th,.data-table td{padding:12px 14px;border-bottom:1px solid #ECE8E0;text-align:left;font-size:13px;vertical-align:middle}.data-table th{background:#f7fafa;color:#7E7970;font-weight:700;position:sticky;top:0;z-index:2}.data-table tbody tr:hover{background:#FCFBF9}.truncate-cell{max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-actions{display:flex;gap:5px;white-space:nowrap}
@media(max-width:900px){.toolbar{flex-direction:column}.toolbar-actions{justify-content:flex-start;width:100%}.search-box{min-width:min(100%,300px);flex:1}}@media(max-width:640px){.toolbar-actions .btn{padding:8px 10px}.search-box{min-width:100%}}
.attendance-page{display:grid;gap:20px}.attendance-hero{max-width:1100px}.attendance-editor>.stat-grid{max-width:460px;margin-bottom:18px}.attendance-editor .stat{padding:14px 10px}.attendance-editor .stat strong{font-size:26px}.attendance-controls{display:grid;grid-template-columns:minmax(260px,440px) 220px;gap:20px;align-items:end;margin-bottom:6px}.quick-control{display:grid;gap:7px}.quick-control>span{font-size:13px;color:#5C5750;font-weight:600}.attendance-hint{margin:8px 0 12px;color:var(--muted);font-size:13px}.attendance-list{border:1px solid var(--line);border-radius:15px;overflow:hidden}.attendance-row{display:grid;grid-template-columns:110px 110px minmax(260px,1fr);gap:12px;align-items:center;padding:11px 14px;border-bottom:1px solid #ECE8E0;background:#fff}.attendance-row:last-child{border-bottom:0}.student-name{font-size:14px}.attendance-row select,.attendance-note{height:40px;border:1px solid #DDD6CA;border-radius:10px;padding:0 11px;background:#fff}.attendance-note{min-width:0}.sticky-actions{position:sticky;bottom:-24px;background:linear-gradient(180deg,rgba(255,255,255,.92),#fff 35%);display:flex;justify-content:flex-end;gap:10px;padding:20px 0 3px;margin-top:5px}.date-open{display:flex;gap:8px}.date-open input{border:1px solid var(--line);border-radius:10px;padding:8px 10px}.history-list{display:grid}.history-row{border:0;border-bottom:1px solid #ECE8E0;background:#fff;display:grid;grid-template-columns:1fr auto 24px;gap:14px;align-items:center;text-align:left;padding:15px 4px}.history-row:hover{background:#F7F5F1}.history-row>span:first-child{display:grid;gap:3px}.history-row small{color:var(--muted)}.history-stats{display:flex;gap:10px;font-size:12px}.teal-text{color:var(--teal)}.blue-text{color:var(--blue)}.orange-text{color:var(--orange)}.red-text{color:var(--red)}.small-text{font-size:12px;margin:4px 0 0}
@media(max-width:700px){.attendance-controls{grid-template-columns:1fr}.attendance-row{grid-template-columns:90px 100px minmax(190px,1fr)}.attendance-list{overflow-x:auto}.date-open{width:100%;flex-wrap:wrap}.history-row{grid-template-columns:1fr 20px}.history-stats{grid-column:1/-1;grid-row:2}.section-head{align-items:flex-start;flex-wrap:wrap}}
.grades-page{display:grid;gap:20px}.grade-head{padding:0}.grade-toolbar{border-bottom:0}.select-control{height:40px;border:1px solid var(--line);border-radius:10px;padding:0 34px 0 10px;background:#fff}.subject-stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;padding:0 20px 20px}.subject-stat{border:1px solid var(--line);border-radius:15px;padding:16px;background:linear-gradient(145deg,#fff,#F7F5F1);display:grid;gap:5px}.subject-stat>span{font-weight:700}.subject-stat>strong{font-size:30px;color:var(--teal-dark)}.subject-stat>small{color:var(--muted)}.subject-stat>div{display:flex;flex-wrap:wrap;gap:7px;margin-top:7px}.subject-stat>div b{font-size:11px;font-weight:600;background:#F5F1EA;border-radius:999px;padding:4px 7px;color:#6E6961}.score-head{padding:18px 20px 0}.score-table th small{font-weight:400;color:var(--muted)}.score-input{width:82px;height:34px;border:1px solid #DDD6CA;border-radius:8px;padding:0 8px}.ranking-card{overflow:hidden}.rank-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 22px}.rank-item{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid #ECE8E0;font-size:13px}.rank-no{width:26px;height:26px;border-radius:8px;background:var(--teal-soft);color:var(--teal-dark);display:grid;place-items:center;font-weight:700}.rank-item b{color:var(--teal-dark)}.subject-editor{display:grid;gap:8px}.subject-edit-row{display:grid;grid-template-columns:1.5fr repeat(3,1fr) 52px;gap:8px}.subject-edit-row input{min-width:0;border:1px solid #D9D2C6;border-radius:9px;padding:9px}.section-head.tight{margin-bottom:10px}.action-spacer{flex:1}.empty-state{text-align:center;padding:60px 20px}.empty-icon{font-size:46px;color:var(--teal);margin-bottom:10px}.empty-state h2{margin:0 0 8px}.empty-state p{color:var(--muted);margin:0 0 20px}
@media(max-width:800px){.subject-edit-row{grid-template-columns:1fr 1fr}.subject-edit-row .icon-text{justify-self:start}.rank-grid{grid-template-columns:1fr}}@media(max-width:520px){.subject-edit-row{grid-template-columns:1fr}.grade-toolbar .toolbar-actions{align-items:stretch}.grade-toolbar .select-control{width:100%}}
.module-stack{display:grid;gap:20px}.mini-field{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted)}.mini-field input{width:60px;height:38px;border:1px solid var(--line);border-radius:9px;padding:0 7px}.blackboard{width:min(460px,80%);margin:4px auto 28px;border-radius:10px;background:#4A4038;color:#fff;text-align:center;padding:11px;letter-spacing:.3em;box-shadow:0 5px 12px rgba(39,77,74,.15)}.seat-grid{display:grid;grid-template-columns:repeat(var(--seat-cols),minmax(120px,1fr));gap:12px;overflow:auto;padding-bottom:8px}.seat-card{border:1px solid var(--line);border-radius:13px;padding:10px;background:#fff;display:grid;gap:7px;min-width:120px;transition:.15s}.seat-card:hover{border-color:#D9B8A5}.seat-no{font-size:11px;color:var(--muted)}.seat-card select{min-width:0;border:1px solid #DDD6CA;border-radius:8px;padding:7px;background:#fff}.seat-card small{color:var(--muted);min-height:14px}.seat-grid.swap-mode .seat-card{cursor:pointer}.seat-card.selected-seat{border:2px solid var(--teal);background:var(--teal-soft)}.duty-grid{display:grid;grid-template-columns:repeat(5,minmax(180px,1fr));gap:12px;overflow:auto}.duty-card{border:1px solid var(--line);border-radius:15px;padding:14px;min-width:180px;display:grid;gap:12px}.duty-day{display:flex;align-items:center;justify-content:space-between}.duty-students{display:flex;gap:6px;flex-wrap:wrap}.duty-students span{background:var(--teal-soft);color:var(--teal-dark);border-radius:999px;padding:5px 8px;font-size:12px}.duty-students em{font-style:normal;color:var(--muted);font-size:12px}.duty-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.checkbox-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:18px}.check-option{border:1px solid var(--line);border-radius:10px;padding:9px;display:flex;align-items:center;gap:7px;font-size:13px}.duty-task{margin-top:5px}.committee-grid{padding:20px;display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.committee-card{border:1px solid var(--line);border-radius:15px;padding:16px;display:grid;gap:5px}.role-label{font-size:12px;color:var(--teal-dark);font-weight:700}.committee-card strong{font-size:18px}.committee-card small{color:var(--muted)}.committee-card>div{display:flex;gap:5px;margin-top:5px}.wide-cell{max-width:280px;min-width:180px;line-height:1.6}.timetable-card{overflow:hidden}.timetable-table{width:100%;border-collapse:separate;border-spacing:0;min-width:900px}.timetable-table th,.timetable-table td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:9px;vertical-align:top}.timetable-table thead th{background:#F5F3EF;text-align:center}.timetable-table tbody th{width:90px;background:#F7F5F1;text-align:center}.timetable-table tbody th strong,.timetable-table tbody th small{display:block}.timetable-table tbody th small{color:var(--muted);margin-top:3px;font-weight:400}.timetable-table input{width:100%;border:0;background:transparent;text-align:center;padding:6px;outline:none}.timetable-table input:first-child{font-weight:700;color:var(--text)}.timetable-table input:focus{background:var(--teal-soft);border-radius:7px}.timetable-table .cell-note{font-size:11px;color:var(--muted)}
@media(max-width:800px){.checkbox-grid{grid-template-columns:repeat(2,1fr)}}
@media print{body{background:#fff}.sidebar,.topbar,.toolbar-actions,.btn,.text-btn,.sidebar-scrim,.toast-root{display:none!important}.main-area{margin:0;width:100%}.page-root{padding:0;max-width:none}.card{box-shadow:none;border:0;padding:0}.seat-grid{overflow:visible;gap:8px}.seat-card{break-inside:avoid}.timetable-table{min-width:0;font-size:11px}.timetable-table input{font-size:11px}.section-head{margin-bottom:12px}}

/* V2.1 global polish */
:root{--bg:#F5F3EF;--panel:#fff;--line:#E7E2D9;--text:#1F1E1B;--muted:#8A857C;--teal:#C96442;--teal-dark:#A8552F;--teal-soft:#F5E8DF;--blue:#2f7de1;--orange:#d97a08;--red:#d84850;--shadow:0 6px 22px rgba(80,60,40,.06);--radius:15px}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid rgba(201,100,66,.18);outline-offset:2px}
.ui-icon{display:block;flex:0 0 auto}
.sidebar{width:228px;padding:14px 10px}.main-area{margin-left:228px;width:calc(100% - 228px)}
.brand{height:64px;padding:0 5px 12px;gap:10px}.brand-mark{width:44px;height:44px;border-radius:12px;font-size:0}.brand strong{font-size:17px}.brand span{font-size:11px}
.nav-list{gap:4px;padding-top:12px}.nav-item{padding:10px 12px;border-radius:10px;gap:10px;font-size:14px}.nav-icon{width:22px;display:grid;place-items:center}.nav-item.active{box-shadow:inset 3px 0 0 var(--teal)}
.sidebar-footer{padding:12px 8px 2px;gap:8px;border-top:1px solid #ECE8E0}.footer-action{display:flex;align-items:center;gap:8px;border:0;background:transparent;padding:7px 0;color:var(--teal-dark);font-size:13px;text-align:left}.footer-action-icon{display:none}
.topbar{min-height:74px;padding:12px 26px;gap:14px}.topbar h1{font-size:22px;margin-bottom:2px}.topbar p{font-size:12px}.topbar-title{min-width:180px}.top-summary{margin-left:auto;display:grid;gap:2px;text-align:right}.top-summary strong{font-size:13px}.top-summary span{font-size:11px}.top-actions{display:flex;align-items:center;gap:9px;border-left:1px solid var(--line);padding-left:14px}.save-status{display:flex;align-items:center;gap:6px;color:var(--teal-dark);font-size:12px;white-space:nowrap}.save-status.error{color:var(--red)}.top-data-btn{display:flex;align-items:center;gap:7px;padding:8px 11px;font-size:12px}.page-root{padding:20px 26px 46px;max-width:1720px}.card{border-radius:15px;box-shadow:var(--shadow)}
.btn{border-color:#E2DCD2;border-radius:9px;padding:8px 12px;background:#fff}.btn:hover{border-color:#DFC5B4;background:#FCFBF9}.btn.primary{background:var(--teal);border-color:var(--teal)}.danger-outline{background:#fff}
.modal{border-radius:16px}.modal-head{height:66px;padding:0 20px}.modal-body{padding:20px}.modal-close{font-size:25px}
.toast{border-radius:10px;box-shadow:0 8px 24px rgba(60,45,30,.12)}
@media(max-width:1100px){.top-summary{display:none}}
@media(max-width:900px){.sidebar{width:228px}.main-area{margin-left:0;width:100%}.top-actions{margin-left:auto}.save-status{display:none}.page-root{padding:18px}}
@media(max-width:620px){.top-data-btn span:last-child{display:none}.top-data-btn{width:38px;height:38px;display:grid;place-items:center;padding:0}.topbar{padding:10px 12px}.page-root{padding:14px 10px 38px}}

/* V2.1 dashboard */
.dashboard-v21{display:grid;gap:16px}.metric-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.metric-card{border:1px solid var(--line);background:#fff;border-radius:14px;padding:16px;display:flex;align-items:center;gap:12px;text-align:left;box-shadow:var(--shadow);min-height:88px}.metric-card:hover{border-color:#D9B8A5;transform:translateY(-1px)}.metric-card-icon{width:42px;height:42px;border-radius:12px;background:var(--teal-soft);color:var(--teal-dark);display:grid;place-items:center}.metric-card>span:last-child{display:grid;gap:4px}.metric-card strong{font-size:24px;line-height:1}.metric-card small{font-size:11px;color:var(--muted)}
.dashboard-main-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.8fr);gap:16px}.compact-card{padding:16px}.compact-card .section-head{margin-bottom:10px}.compact-card .section-head>div{display:flex;align-items:center;gap:9px}.compact-card .section-head h2{font-size:16px}.section-count{font-size:11px;color:var(--muted);background:#F1EEE7;border-radius:999px;padding:4px 7px}.compact-card .todo-item{padding:10px 0}.compact-card .notice-row{padding:10px 3px}
.attendance-strip{padding:14px 16px;display:grid;grid-template-columns:minmax(230px,.55fr) 1fr;gap:20px;align-items:center}.attendance-strip-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.attendance-strip-head>div{display:grid;gap:4px}.attendance-strip-head strong{font-size:15px}.attendance-strip-head span{font-size:11px;color:var(--muted)}.attendance-strip-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.attendance-strip-stats button{border:0;background:#F7F5F1;border-radius:10px;padding:9px;display:grid;grid-template-columns:auto auto;justify-content:center;gap:8px;align-items:baseline}.attendance-strip-stats b{font-size:21px}.attendance-strip-stats span{font-size:11px;color:var(--muted)}
.dashboard-lower-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:16px}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.tool-tile{border:1px solid var(--line);background:#fff;border-radius:11px;padding:11px;display:flex;gap:10px;text-align:left;align-items:center}.tool-tile:hover{border-color:#D9B8A5;background:#FCFBF9}.tool-tile>.ui-icon{color:var(--teal-dark)}.tool-tile>span{display:grid;gap:2px}.tool-tile strong{font-size:13px}.tool-tile small{font-size:10px;color:var(--muted)}.birthday-compact-list{display:grid;gap:7px}.birthday-compact{border:0;background:#fff;display:flex;gap:10px;align-items:center;text-align:left;padding:7px;border-radius:9px}.birthday-compact:hover{background:#f5faf9}.birthday-compact>span:last-child{display:grid;gap:2px}.birthday-compact strong{font-size:13px}.birthday-compact small{font-size:11px;color:var(--muted)}
/* notification template */
.notice-template{display:grid;gap:14px}.template-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.student-picker-head,.preview-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.student-picker-head>div:first-child,.preview-head>div:first-child{display:flex;align-items:center;gap:8px}.student-picker-head span,.preview-head span{font-size:11px;color:var(--muted)}.student-picker-tools{display:flex;align-items:center;gap:7px}.student-picker-tools input{height:34px;border:1px solid var(--line);border-radius:8px;padding:0 10px;min-width:200px}.student-picker-list{max-height:190px;overflow:auto;border:1px solid var(--line);border-radius:11px;padding:8px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.student-pick{display:flex;align-items:center;gap:7px;border:1px solid #ECE8E0;border-radius:8px;padding:7px 8px}.student-pick>span{display:grid;gap:2px;min-width:0}.student-pick strong{font-size:12px}.student-pick small{font-size:10px;color:var(--muted)}.notice-preview{width:100%;resize:vertical;border:1px solid var(--line);border-radius:10px;padding:12px;line-height:1.7;background:#FCFBF9;outline:none}.preview-head>div:last-child{display:flex;gap:5px}
@media(max-width:1150px){.metric-cards{grid-template-columns:repeat(2,1fr)}.dashboard-main-grid,.dashboard-lower-grid{grid-template-columns:1fr}.attendance-strip{grid-template-columns:1fr}.student-picker-list{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.metric-cards{grid-template-columns:1fr}.tool-grid{grid-template-columns:repeat(2,1fr)}.attendance-strip-stats{grid-template-columns:repeat(2,1fr)}.template-grid{grid-template-columns:1fr}.student-picker-head{align-items:flex-start;flex-direction:column}.student-picker-tools{width:100%;flex-wrap:wrap}.student-picker-tools input{min-width:100%}.student-picker-list{grid-template-columns:repeat(2,1fr)}}

/* V2.1 duty table */
.duty-v21{gap:16px}.duty-table{width:100%;border-collapse:collapse;min-width:920px}.duty-table th,.duty-table td{padding:12px 14px;border-bottom:1px solid #ECE8E0;text-align:left;font-size:13px;vertical-align:middle}.duty-table th{background:#f6f9f9;color:#597074;font-size:12px}.duty-table tbody tr{cursor:pointer}.duty-table tbody tr:hover{background:#F7F5F1}.duty-table tbody tr.active{background:#eff9f8}.duty-group-pill{display:inline-flex;align-items:center;border-radius:999px;background:#e8f1ff;color:#3672c7;padding:4px 9px;font-size:11px;white-space:nowrap}.duty-member-cell{max-width:420px}.duty-note-cell{max-width:240px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.duty-progress{border:0;background:none;padding:0;display:flex;align-items:center;gap:9px;min-width:120px}.duty-progress>span{width:78px;height:6px;border-radius:999px;background:#E7E2D9;overflow:hidden}.duty-progress i{display:block;height:100%;background:var(--teal);border-radius:999px}.duty-progress b{font-size:11px;color:var(--muted)}.duty-detail{padding:16px}.duty-detail .section-head{margin-bottom:10px}.duty-detail .section-head>div{display:flex;align-items:center;gap:8px}.duty-detail-members{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.duty-detail-members>span:not(.muted){font-size:11px;background:#F1EEE7;border-radius:999px;padding:5px 8px}.duty-task-chips{display:flex;flex-wrap:wrap;gap:8px}.duty-task-chip{border:1px solid #EFE7DA;background:#edf8f7;color:#577174;border-radius:999px;padding:7px 11px}.duty-task-chip.done{background:var(--teal);border-color:var(--teal);color:#fff}.duty-detail-note{margin:12px 0 0;color:var(--muted);font-size:12px}.duty-v21 .toolbar{padding:16px}.duty-v21 .toolbar h2{margin:3px 0 4px}.duty-v21 .toolbar p{margin:0}.duty-v21 .checkbox-grid{max-height:270px;overflow:auto;padding-right:3px}

/* V2.1 student profile */
.student-name-link{border:0;background:none;padding:0;color:var(--teal-dark);font-weight:700;text-align:left}.student-name-link:hover{text-decoration:underline}.student-profile{display:grid;gap:14px}.profile-hero{display:grid;grid-template-columns:56px 1fr auto;gap:13px;align-items:center;padding:2px 0 10px}.profile-avatar{width:56px;height:56px;border-radius:16px;background:var(--teal-soft);color:var(--teal-dark);display:grid;place-items:center;font-size:24px;font-weight:700}.profile-hero h3{margin:0 0 4px;font-size:21px}.profile-hero p{margin:0;color:var(--muted);font-size:12px}.profile-grid.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.profile-panel{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff}.profile-panel h4{margin:0 0 11px;font-size:14px}.profile-panel-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.profile-panel-head>span{font-size:11px;color:var(--muted)}.profile-dl{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0}.profile-dl>div{display:grid;gap:3px}.profile-dl>div.wide{grid-column:1/-1}.profile-dl dt{font-size:10px;color:var(--muted)}.profile-dl dd{margin:0;font-size:12px;line-height:1.5}.profile-attendance{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.profile-attendance span{background:#f7faf9;border-radius:9px;padding:9px;text-align:center;font-size:10px;color:var(--muted)}.profile-attendance b{display:block;font-size:20px;margin-bottom:2px}.profile-exam-main{display:grid;grid-template-columns:1fr 92px;gap:10px;align-items:stretch}.profile-exam-main>div:first-child{display:grid;grid-template-columns:1fr auto;gap:3px 10px;align-items:end}.profile-exam-main>div:first-child strong{grid-column:1/-1;font-size:13px}.profile-exam-main>div:first-child small{color:var(--muted)}.profile-exam-main>div:first-child b{font-size:24px;color:var(--teal-dark)}.profile-rank{background:var(--teal-soft);border-radius:10px;padding:9px;display:grid;place-items:center}.profile-rank span{font-size:10px;color:var(--muted)}.profile-rank strong{font-size:25px;color:var(--teal-dark)}.profile-subjects{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.profile-subject{background:#F7F5F1;border-radius:8px;padding:6px 8px;display:flex;align-items:baseline;gap:4px}.profile-subject span{font-size:10px;color:var(--muted)}.profile-subject strong{font-size:13px}.profile-subject small{font-size:9px;color:var(--muted)}.profile-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.profile-tags>span:not(.muted){background:var(--teal-soft);color:var(--teal-dark);border-radius:999px;padding:5px 8px;font-size:11px}.profile-position{display:grid;grid-template-columns:48px 1fr;gap:8px;padding:8px 0;border-top:1px solid #ECE8E0}.profile-position span{font-size:10px;color:var(--muted)}.profile-position strong{font-size:12px}.profile-contact-list{display:grid}.profile-contact-list>div:not(.empty){display:grid;grid-template-columns:88px 110px 1fr;gap:10px;padding:8px 0;border-top:1px solid #ECE8E0;align-items:start}.profile-contact-list time,.profile-contact-list span{font-size:11px;color:var(--muted)}.profile-contact-list strong{font-size:12px}.empty.compact{padding:18px 8px}
@media(max-width:720px){.profile-grid.two{grid-template-columns:1fr}.profile-hero{grid-template-columns:48px 1fr}.profile-hero .btn{grid-column:1/-1;justify-self:start}.profile-avatar{width:48px;height:48px}.profile-contact-list>div:not(.empty){grid-template-columns:80px 1fr}.profile-contact-list span{grid-column:1/-1}.profile-attendance{grid-template-columns:repeat(2,1fr)}}

/* V2.1 data center */
.footer-action-icon{display:inline-grid;place-items:center;width:20px;height:20px;flex:0 0 20px}
.data-center{display:grid;gap:14px}.data-summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.data-summary-grid>div{border:1px solid var(--line);border-radius:12px;background:#FAF9F7;padding:13px 14px;display:grid;gap:5px}.data-summary-grid span{font-size:11px;color:var(--muted)}.data-summary-grid strong{font-size:18px}.data-center-panel{border:1px solid var(--line);border-radius:13px;padding:14px 15px;background:#fff}.data-center-panel h3{margin:0;font-size:14px}.data-center-panel .section-head{margin-bottom:11px}.align-left{justify-content:flex-start}.snapshot-list{display:grid}.snapshot-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid #ECE8E0}.snapshot-row:first-child{border-top:0}.snapshot-row>div{display:grid;gap:3px}.snapshot-row strong{font-size:12px}.snapshot-row small{font-size:10px;color:var(--muted)}.danger-zone{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fffafa;border-color:#f1d7d9}.danger-zone p{margin:5px 0 0;font-size:11px;color:var(--muted)}.danger-outline{color:var(--red);border-color:#e6b8bc}.danger-outline:hover{border-color:var(--red);background:#fff5f5}
@media(max-width:720px){.data-summary-grid{grid-template-columns:repeat(2,1fr)}.danger-zone{align-items:flex-start;flex-direction:column}}

/* Network authentication */
.app-shell.locked{filter:blur(2px);pointer-events:none;user-select:none}
.auth-screen{position:fixed;inset:0;z-index:3000;background:linear-gradient(135deg,#edf9f7 0%,#f6f9fb 55%,#e9f4fb 100%);display:grid;place-items:center;padding:24px}
.auth-card{width:min(430px,100%);background:#fff;border:1px solid #dfe9e8;border-radius:20px;box-shadow:0 24px 70px rgba(26,62,68,.16);padding:34px}
.auth-logo{width:56px;height:56px;border-radius:15px;display:grid;place-items:center;background:#F5E8DF;color:#C96442;margin-bottom:18px}
.auth-card h1{font-size:24px;margin:0 0 8px}.auth-card p{color:#687b80;line-height:1.7;margin:0 0 20px}.auth-card label{display:grid;gap:8px;font-weight:650;color:#334b50}.auth-card input{height:48px;border:1px solid #cedddb;border-radius:11px;padding:0 14px;font:inherit;font-size:18px;letter-spacing:.15em}.auth-submit{width:100%;height:46px;margin-top:14px}.auth-error{min-height:22px;color:#c43c3c;font-size:13px;margin-top:10px}.auth-message{background:#fff3e5;color:#8b5b16;border:1px solid #f1d4a6;border-radius:10px;padding:10px 12px;margin-bottom:15px;line-height:1.55}.auth-card small{display:block;color:#89999c;margin-top:18px;line-height:1.6}.save-status.syncing{color:#8a6a16}

/* V2.2 privacy, timeline and mobile workflow */
.profile-timeline{display:grid;margin-top:4px}.timeline-item{display:grid;grid-template-columns:92px 1fr;gap:12px;padding:11px 0;border-top:1px solid #ECE8E0;position:relative}.timeline-item:first-child{border-top:0}.timeline-item time{font-size:11px;color:var(--muted)}.timeline-item>div{display:grid;gap:4px}.timeline-item strong{font-size:12px}.timeline-item span{font-size:11px;color:var(--muted);line-height:1.55}.timeline-item>div:before{content:"";position:absolute;left:80px;top:17px;width:6px;height:6px;border-radius:50%;background:var(--teal)}
.mobile-forced .main-area{margin-left:0;width:100%}.mobile-forced .sidebar{transform:translateX(-100%);width:min(86vw,290px);transition:.2s}.mobile-forced .sidebar.open{transform:translateX(0)}.mobile-forced .menu-toggle{display:inline-grid;place-items:center}.mobile-forced .top-summary{display:none}.mobile-forced .page-root{padding:14px 10px 88px}.mobile-forced .topbar{min-height:68px;padding:10px 12px}.mobile-forced .card{border-radius:14px;padding:14px}.mobile-forced .btn,.mobile-forced .nav-item,.mobile-forced .text-btn{min-height:44px}.mobile-forced .toolbar-actions{width:100%;align-items:stretch}.mobile-forced .toolbar-actions>.btn{flex:1 1 auto}.mobile-forced .table-wrap{overflow:auto;-webkit-overflow-scrolling:touch}
@media(max-width:720px){.btn,.nav-item,.text-btn,.check-button{min-height:44px}.timeline-item{grid-template-columns:78px 1fr}.timeline-item>div:before{left:68px}.profile-dl{grid-template-columns:1fr}.profile-dl>div.wide{grid-column:auto}.topbar-title p{display:none}.topbar{min-height:66px}.data-table th,.data-table td{white-space:nowrap}.modal-body{overscroll-behavior:contain}.auth-card{padding:24px 20px}}

/* V2.2 network data center */
.modal.xl{width:min(1120px,calc(100vw - 36px))}.data-center-loading{min-height:260px;display:grid;place-items:center;color:var(--muted)}.network-data-center{display:grid;gap:14px}.network-status-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:9px}.network-status-grid>div{border:1px solid var(--line);border-radius:12px;background:#FAF9F7;padding:12px;display:grid;align-content:start;gap:5px;min-width:0}.network-status-grid span,.network-status-grid small{font-size:10px;color:var(--muted)}.network-status-grid strong{font-size:16px;overflow:hidden;text-overflow:ellipsis}.pair-panel{display:grid;grid-template-columns:1fr 220px;gap:18px;align-items:center}.pair-address{display:flex;align-items:center;gap:8px;margin:10px 0}.pair-address code{flex:1;min-width:0;background:#F5F3EF;border:1px solid var(--line);border-radius:9px;padding:11px 12px;font-size:13px;overflow:auto}.pair-url{word-break:break-all;margin-bottom:10px}.pair-qr{width:210px;height:210px;border:1px solid var(--line);border-radius:13px;padding:9px;background:#fff;display:grid;place-items:center}.pair-qr svg{width:100%;height:100%;display:block}.qr-fallback{text-align:center;color:var(--muted);font-size:12px;line-height:1.7}.backup-list,.audit-list{display:grid}.backup-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid #ECE8E0}.backup-row:first-child{border-top:0}.backup-row>div:first-child{display:grid;gap:3px;min-width:0}.backup-row strong{font-size:11px;word-break:break-all}.backup-row small{font-size:10px;color:var(--muted)}.backup-actions{display:flex;gap:6px;flex:0 0 auto}.backup-actions a{text-decoration:none}.audit-row{display:grid;grid-template-columns:145px 90px 1fr 190px;gap:10px;align-items:center;padding:9px 0;border-top:1px solid #ECE8E0}.audit-row:first-child{border-top:0}.audit-row time,.audit-row span,.audit-row small{font-size:10px;color:var(--muted)}.audit-row strong{font-size:11px}.access-code-form{display:flex;gap:8px;max-width:360px}.access-code-form input{height:40px;border:1px solid var(--line);border-radius:9px;padding:0 11px;letter-spacing:.12em;flex:1;min-width:0}
@media(max-width:900px){.network-status-grid{grid-template-columns:repeat(3,1fr)}.audit-row{grid-template-columns:120px 80px 1fr}.audit-row small{grid-column:2/-1}.pair-panel{grid-template-columns:1fr 190px}.pair-qr{width:180px;height:180px}}
@media(max-width:620px){.modal.xl{width:calc(100vw - 14px)}.network-status-grid{grid-template-columns:repeat(2,1fr)}.pair-panel{grid-template-columns:1fr}.pair-qr{width:min(260px,100%);height:auto;aspect-ratio:1/1;justify-self:center}.pair-address{align-items:stretch;flex-direction:column}.backup-row{align-items:flex-start;flex-direction:column}.audit-row{grid-template-columns:1fr 1fr}.audit-row span,.audit-row small{grid-column:1/-1}.access-code-form{flex-direction:column;max-width:none}}
.lan-address-list{display:grid;gap:8px;margin:10px 0}.lan-address-option{display:flex;align-items:center;gap:10px;width:100%;padding:9px 11px;border:1px solid var(--line,#d9e5e3);border-radius:10px;background:#fff;text-align:left;cursor:pointer}.lan-address-option span{font-size:12px;color:#73817f;min-width:56px}.lan-address-option code{font-size:13px;color:#263532;overflow-wrap:anywhere}.lan-address-option.active{border-color:#D67F5E;background:#effafa;box-shadow:0 0 0 2px rgba(25,167,162,.08)}.lan-address-option.active span{color:#C96442;font-weight:700}.lan-help{margin:8px 0 12px;line-height:1.55}

/* Todo status history */
.todo-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 6px}.todo-filter{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:999px;padding:5px 10px;font-size:11px}.todo-filter:hover{border-color:#DFC5B4;color:var(--teal-dark)}.todo-filter.active{background:var(--teal-soft);border-color:#EDDCCE;color:var(--teal-dark);font-weight:700}.todo-item.done{opacity:.82}.todo-item.done .item-main strong{text-decoration:line-through;color:var(--muted)}.todo-item.done .item-main>span{color:#688284}.check-button.checked{display:grid;place-items:center;background:var(--teal);border-color:var(--teal);color:#fff;font-size:12px;font-weight:800}
.period-editor{display:grid;gap:9px;margin:12px 0 18px}.period-edit-row{display:grid;grid-template-columns:minmax(90px,1.2fr) 120px 22px 120px minmax(150px,auto);align-items:center;gap:8px;border:1px solid var(--line);border-radius:12px;padding:9px;background:#FCFBF9}.period-edit-row>input{min-width:0;height:38px;border:1px solid #D9D2C6;border-radius:9px;padding:0 9px;background:#fff}.period-edit-row>span{text-align:center;color:var(--muted)}.period-row-actions{display:flex;justify-content:flex-end;gap:3px}.timetable-head{padding:20px 20px 0}.timetable-table{min-width:1180px}.timetable-table tbody th{width:118px;min-width:118px}.timetable-table tbody th small{font-size:11px;white-space:nowrap}.timetable-table td{min-width:125px}
@media(max-width:720px){.period-edit-row{grid-template-columns:1fr 1fr}.period-edit-row>span{display:none}.period-row-actions{grid-column:1/-1;justify-content:flex-start}.timetable-table{min-width:1080px}}
.worklog-page{display:grid;gap:18px}.worklog-head{padding:20px}.worklog-summary{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}.worklog-summary span{background:#F5F3EF;border:1px solid var(--line);border-radius:999px;padding:7px 11px;font-size:12px;color:var(--muted)}.worklog-summary b{color:var(--text);font-size:15px}.worklog-tabs,.grade-tabs{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:10px}.grade-tab{border:1px solid transparent;background:transparent;border-radius:9px;padding:8px 12px;color:var(--muted)}.grade-tab.active{background:var(--teal-soft);color:var(--teal-dark);font-weight:700}.worklog-search{display:flex;gap:8px;margin-top:14px}.worklog-search input{flex:1;min-width:160px;border:1px solid var(--line);border-radius:10px;padding:9px 11px}.worklog-list{padding:0;overflow:hidden}.worklog-item{display:flex;align-items:flex-start;gap:16px;padding:18px 20px;border-bottom:1px solid #ECE8E0}.worklog-item:last-child{border-bottom:0}.worklog-item-main{min-width:0;flex:1}.worklog-meta{display:flex;gap:8px;color:var(--muted);font-size:12px}.worklog-item h3{margin:6px 0;font-size:16px}.worklog-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.65;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.worklog-item>.row-actions{flex:0 0 auto}.worklog-item .text-btn{min-height:34px}
@media(max-width:640px){.worklog-item{flex-direction:column}.worklog-item>.row-actions{width:100%}.worklog-search{flex-direction:column}}
.grade-tabs-wrap{padding:0 20px 18px}.grade-analysis-stack{display:grid;gap:18px}.grade-local-stats{padding:0}.layer-pills{display:flex;gap:5px!important}.layer-pills i{font-style:normal;font-size:11px;border:1px solid var(--line);border-radius:7px;padding:3px 6px;background:#fff}.borderline-table{min-width:650px}.borderline-badge{display:inline-block;background:#fff3dc;color:#8a5a08;border-radius:999px;padding:4px 8px;font-size:11px}.ai-grade-panel{min-height:280px}.ai-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.ai-result{margin-top:18px;min-height:140px;border:1px solid var(--line);border-radius:12px;background:#F7F5F1;padding:16px;white-space:pre-wrap;line-height:1.75;color:#40585b}.ai-result.loading{color:var(--muted)}
@media(max-width:640px){.grade-tabs-wrap{padding:0 14px 14px}.ai-actions{align-items:stretch}.ai-actions>*{width:100%}}
.ai-error{color:var(--red);margin-bottom:12px;white-space:pre-wrap}.ai-result .btn{margin-top:4px}

/* V2.4 AI settings */
.ai-settings-page{max-width:760px}.ai-settings-card{display:grid;gap:18px}.ai-settings-status{display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700;border:1px solid var(--line);background:#f7f9f9;color:var(--muted)}.ai-settings-status.ok{background:var(--teal-soft);border-color:#EDDCCE;color:var(--teal-dark)}.ai-settings-status.error{background:#fff1f1;border-color:#f1c5c7;color:var(--red)}.ai-settings-actions{justify-content:flex-start}

/* V2.4 AI assistant */
.ai-assistant-page{display:grid;gap:18px}.ai-assistant-head{display:flex;align-items:center;justify-content:space-between}.ai-assistant-head h2{margin:3px 0 0}.ai-assistant-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.ai-assistant-card{min-height:132px;text-align:left;display:grid;align-content:start;gap:8px}.ai-assistant-card[type="button"]{width:100%;color:var(--text)}.ai-assistant-card[type="button"]:hover{border-color:#DFC5B4;box-shadow:0 9px 28px rgba(27,65,65,.1)}.ai-assistant-card strong{font-size:17px}.ai-assistant-card>span{font-size:13px;color:var(--muted);line-height:1.55}.ai-assistant-select-card select{height:40px;border:1px solid var(--line);border-radius:9px;background:#fff;padding:0 10px;min-width:0}.ai-assistant-select-card .btn{justify-self:start}.ai-assistant-result-card{min-height:260px}.ai-assistant-output{white-space:pre-wrap;line-height:1.85}.ai-result-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}.ai-empty-state{margin-bottom:12px;color:var(--muted)}
@media(max-width:760px){.ai-assistant-grid{grid-template-columns:1fr}.ai-assistant-card{min-height:auto}.ai-result-actions .btn{flex:1 1 auto}}

/* V2.5 practical dashboard */
.dashboard-aux-grid{display:grid;grid-template-columns:minmax(230px,.68fr) minmax(340px,1.05fr) minmax(340px,1.05fr);gap:16px}.holiday-countdown-list{display:grid;gap:8px}.holiday-countdown{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid #e2eceb;border-radius:12px;padding:11px 12px;background:#FCFBF9}.holiday-countdown.primary{background:linear-gradient(135deg,#e9f8f6,#f8fcfc);border-color:#EDDCCE}.holiday-countdown>span{display:grid;gap:3px}.holiday-countdown b{font-size:14px}.holiday-countdown small{font-size:10px;color:var(--muted)}.holiday-countdown>strong{font-size:21px;color:var(--teal-dark);white-space:nowrap}.duty-scroll-window{height:190px;overflow:hidden;position:relative}.duty-scroll-window:before,.duty-scroll-window:after{content:"";position:absolute;left:0;right:0;height:16px;z-index:2;pointer-events:none}.duty-scroll-window:before{top:0;background:linear-gradient(#fff,rgba(255,255,255,0))}.duty-scroll-window:after{bottom:0;background:linear-gradient(rgba(255,255,255,0),#fff)}.duty-scroll-track{display:grid;gap:8px;animation:dutyScroll 24s linear infinite}.duty-scroll-track:hover{animation-play-state:paused}.duty-scroll-item{display:grid;grid-template-columns:64px 54px minmax(0,1fr);gap:8px 9px;align-items:center;border:1px solid #e4eceb;border-radius:11px;padding:9px 10px;background:#fff}.duty-scroll-item.today{border-color:#E3C9B8;background:#f1faf9}.duty-scroll-day{font-size:11px;font-weight:700;color:var(--teal-dark)}.duty-scroll-group{font-size:10px;border-radius:999px;background:#edf4ff;color:#4776b8;padding:3px 6px;text-align:center}.duty-scroll-item strong{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.duty-scroll-item small{grid-column:3/4;color:var(--muted);font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@keyframes dutyScroll{from{transform:translateY(0)}to{transform:translateY(-50%)}}.student-record-overview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.student-record-row{border:1px solid #e4eceb;background:#fff;border-radius:11px;padding:9px;display:flex;align-items:center;gap:9px;text-align:left;min-width:0}.student-record-row:hover{border-color:#DFC5B4;background:#FCFBF9}.student-record-row .avatar{width:32px;height:32px;border-radius:10px;flex:0 0 auto}.student-record-main{display:grid;gap:2px;min-width:0;flex:1}.student-record-main strong{font-size:12px}.student-record-main small{font-size:9px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.student-record-row>b{font-size:16px;color:var(--teal-dark)}.demo-data-zone{display:flex;align-items:center;justify-content:space-between;gap:18px}.demo-data-zone h3{margin:0 0 5px}.demo-data-zone p{margin:0;color:var(--muted);font-size:11px;line-height:1.6}@media(max-width:1250px){.dashboard-aux-grid{grid-template-columns:1fr 1fr}.student-record-card{grid-column:1/-1}}@media(max-width:760px){.dashboard-aux-grid{grid-template-columns:1fr}.student-record-card{grid-column:auto}.student-record-overview{grid-template-columns:1fr}.demo-data-zone{align-items:flex-start;flex-direction:column}}@media(prefers-reduced-motion:reduce){.duty-scroll-track{animation:none}}

/* V2.5.1 class settings */
.top-summary-button{border:0;background:transparent;padding:5px 8px;border-radius:9px;text-align:right;color:inherit;display:grid;gap:2px;justify-items:end}.top-summary-button:hover{background:#f1f7f6}.top-summary-button strong{font-size:13px}.top-summary-button span{font-size:11px;color:var(--muted)}.class-settings-form{margin:2px 0}


/* V2.6 phone connection */
.phone-connect-page{display:grid;gap:18px}.phone-status-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.phone-status-row>span{background:var(--surface,#fff);border:1px solid var(--border,#E5E1D8);border-radius:12px;padding:12px 14px;color:var(--muted,#8A857C)}.phone-status-row strong{display:block;color:var(--text,#1f2937);margin-top:4px}.phone-connect-main{display:grid;grid-template-columns:minmax(300px,.9fr) minmax(320px,1.1fr);gap:18px}.phone-qr-card,.phone-connect-info{background:var(--surface,#fff);border:1px solid var(--border,#E5E1D8);border-radius:16px;padding:20px}.phone-steps{display:grid;gap:6px;margin:12px 0 16px}.phone-steps p{margin:0;color:var(--muted,#8A857C)}.phone-qr{display:flex;justify-content:center;align-items:center;min-height:250px}.phone-qr svg{width:min(280px,100%);height:auto}.phone-address-row{display:flex;gap:10px;align-items:center;margin:10px 0 12px}.phone-address-row code{flex:1;min-width:0;overflow-wrap:anywhere;background:var(--soft,#f6f8fb);padding:11px 12px;border-radius:10px}.phone-access-code{display:flex;align-items:center;gap:8px;margin:16px 0;padding:12px;border-radius:10px;background:var(--soft,#f6f8fb)}.phone-access-code small{color:var(--muted,#8A857C)}.phone-help{margin-top:12px;border-top:1px solid var(--border,#E5E1D8);padding-top:12px}.phone-help summary{cursor:pointer;font-weight:700}.phone-help p{margin:8px 0;color:var(--muted,#8A857C)}.phone-alt-list{display:grid;gap:8px;margin-top:10px}.phone-alt-address{border:1px solid var(--border,#E5E1D8);background:var(--surface,#fff);border-radius:9px;padding:9px 10px;text-align:left;cursor:pointer;overflow-wrap:anywhere}.phone-connect-card{display:flex;align-items:center;justify-content:space-between;gap:16px}.phone-connect-card h3{margin:0 0 4px}.phone-connect-card p{margin:0;color:var(--muted,#8A857C)}.phone-first-hint{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 16px;border-radius:14px;background:var(--soft,#f6f8fb);border:1px solid var(--border,#E5E1D8);margin-bottom:14px}.phone-first-hint span{display:grid;gap:2px}.phone-first-hint small{color:var(--muted,#8A857C)}
@media(max-width:760px){.phone-status-row,.phone-connect-main{grid-template-columns:1fr}.phone-address-row,.phone-connect-card,.phone-first-hint{align-items:stretch;flex-direction:column}.phone-address-row{display:grid}.phone-qr{min-height:220px}.phone-qr svg{max-width:240px}}
.phone-network-warning{margin:12px 0 16px;border:1px solid #e2b15e;border-radius:12px;background:#fff8e8;padding:13px 15px;display:grid;gap:5px}.phone-network-warning strong{font-size:13px;color:#7a4a00}.phone-network-warning p{margin:0;font-size:12px;line-height:1.65;color:#604a25}.phone-network-warning small{font-size:10px;line-height:1.55;color:#866b3d}

/* V2.6.3 multi-dimensional grade analysis */
.grade-data-analysis{display:grid;gap:14px}.grade-analysis-nav{display:flex;gap:8px;flex-wrap:wrap}.analysis-chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;color:var(--muted);cursor:pointer}.analysis-chip.active{background:var(--teal-soft);border-color:#E5D3C2;color:var(--teal-dark);font-weight:700}.metric-strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-bottom:16px}.metric-strip span{border:1px solid var(--line);border-radius:12px;padding:12px;background:#F7F5F1;color:var(--muted);font-size:12px}.metric-strip b{display:block;color:var(--teal-dark);font-size:21px;margin-bottom:2px}.grade-layer{display:inline-grid;place-items:center;min-width:30px;height:28px;border-radius:8px;font-weight:800}.layer-A{background:#e2f4ec;color:#A8552F}.layer-B{background:#e8f1fb;color:#315f8a}.layer-C{background:#fff0e4;color:#9b5a24}.student-layer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.student-layer-card{border:1px solid var(--line);border-radius:14px;padding:14px;background:#FCFBF9}.student-layer-title{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px}.student-layer-title div{display:grid}.student-layer-title small{color:var(--muted);font-weight:400}.student-layer-list{display:grid;gap:6px;margin-top:12px}.student-layer-list button{border:0;background:#fff;border-radius:9px;padding:8px 10px;display:flex;justify-content:space-between;gap:10px;cursor:pointer;text-align:left}.student-layer-list button:hover{background:var(--teal-soft)}.student-layer-list small{color:var(--muted)}.analysis-filters{display:flex;gap:8px;flex-wrap:wrap}.trend-up{color:#A8552F;font-weight:700}.trend-down{color:#b04949;font-weight:700}.bias-badge{display:inline-block;border-radius:999px;padding:4px 9px;background:#edf5f4;color:#5C5347;font-size:11px}.bias-badge.mild{background:#fff4dc;color:#8b650e}.bias-badge.strong{background:#ffe9e5;color:#a3483e}
@media(max-width:800px){.metric-strip{grid-template-columns:repeat(2,1fr)}.student-layer-grid{grid-template-columns:1fr}.analysis-filters{align-items:stretch}.analysis-filters>*{flex:1 1 180px}}

/* V2.6.5 date timetable + weekend visibility */
.timetable-toolbar{align-items:center;flex-wrap:wrap}.timetable-view-switch{display:flex;gap:4px;padding:3px;border:1px solid var(--line);border-radius:11px;background:#f7fbfa}.timetable-view-switch .btn{border-color:transparent}.timetable-date-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.timetable-date-nav input[type="date"]{height:36px;border:1px solid var(--line);border-radius:9px;padding:0 9px;background:#fff;color:var(--text)}.timetable-range{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:14px 20px 10px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:#F7F5F1}.timetable-range strong{color:var(--teal-dark)}.timetable-range span{font-size:13px}.timetable-range small{color:var(--muted);margin-left:auto}.timetable-day-head{display:grid;gap:3px;justify-items:center;min-width:92px}.timetable-day-head>span{font-size:12px;color:var(--muted);font-weight:500}.timetable-day-head>small{font-size:10px;color:var(--muted);font-weight:400}.timetable-restore-day{font-size:10px!important;padding:2px 5px!important}.timetable-table td.date-override{background:#edf8f5}.timetable-table td.date-override input:first-child{color:var(--teal-dark)}.timetable-table.date-mode thead th{vertical-align:middle}
@media(max-width:900px){.timetable-toolbar{align-items:flex-start}.timetable-view-switch,.timetable-date-nav{width:100%}.timetable-date-nav input[type="date"]{flex:1;min-width:140px}.timetable-range small{width:100%;margin-left:0}}
@media print{.timetable-view-switch,.timetable-date-nav,.timetable-range small,.timetable-restore-day{display:none!important}.timetable-range{margin:0 0 10px;border:0;padding:0}.timetable-table td.date-override{background:#fff}}

/* V2.7.2 collapsible navigation */
.nav-group-toggle{width:100%;border:0;background:transparent;display:flex;align-items:center;gap:9px;color:var(--muted);text-align:left;border-radius:9px;padding:7px 10px;font-size:12px;font-weight:700}.nav-group-toggle:hover{background:#f5f9f8;color:var(--teal-dark)}.nav-group-toggle.active-parent{color:var(--teal-dark)}.nav-group-icon{width:22px;display:grid;place-items:center;flex:0 0 22px}.nav-group-title{min-width:0;flex:1}.nav-group-chevron{display:grid;place-items:center;transition:transform .16s ease;transform:rotate(90deg)}.nav-group.is-collapsed .nav-group-chevron{transform:rotate(0)}.nav-group.is-collapsed .nav-group-items{display:none}.nav-label{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-collapse-btn{display:none}

/* V2.8 Modern UI */
:root{
  --bg:#FAF9F7;--panel:#FFFFFF;--text:#1F1E1B;--muted:#8A857C;--weak:#8A857C;
  --line:#E7E2D9;--teal:#C96442;--teal-dark:#A8552F;--teal-soft:#F5E8DF;
  --blue:#3B82F6;--orange:#D88720;--red:#CF4A52;
  --radius-sm:8px;--radius-card:10px;--radius-modal:12px;--control-h:40px;
  --shadow-float:0 12px 36px rgba(60,48,38,.10)
}

/* V2.9 materials inbox + assistant operating layer */
.materials-page{display:grid;gap:16px}.materials-header{align-items:flex-end}.materials-header>div:first-child{max-width:720px}.materials-header .eyebrow{margin:0 0 6px;color:var(--teal-dark);font-size:12px;font-weight:700;letter-spacing:.08em}.material-overview{display:grid;grid-template-columns:132px 132px 132px minmax(280px,1fr);border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}.material-overview>div{min-height:92px;padding:18px 20px;display:grid;align-content:center;border-right:1px solid var(--line)}.material-overview>div:last-child{border-right:0}.material-overview b{font-size:28px;line-height:1;color:#263630;font-variant-numeric:tabular-nums}.material-overview span{margin-top:7px;color:var(--muted);font-size:12px}.material-overview .needs-review b{color:#b76423}.material-overview-copy strong{font-size:14px}.material-overview-copy span{line-height:1.6}.material-tabs{margin:0;padding:0 2px;border-bottom:1px solid var(--line);background:transparent}.material-view{min-height:320px}
.materials-inbox-list,.suggestion-list,.memory-list{display:grid;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}.material-row{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:15px;align-items:start;padding:18px 20px;border-top:1px solid var(--line)}.material-row:first-child{border-top:0}.material-source,.material-mini-source{display:grid;place-items:center;background:var(--teal-soft);color:var(--teal-dark);font-size:11px;font-weight:700}.material-source{width:42px;height:42px;border-radius:11px}.material-mini-source{width:30px;height:30px;border-radius:8px}.material-row-main{min-width:0}.material-row-title{display:flex;align-items:center;gap:10px}.material-row-title strong{font-size:15px}.material-row-main p{margin:7px 0;color:#4d5c56;font-size:13px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.material-meta{display:flex;flex-wrap:wrap;gap:6px 12px;color:var(--muted);font-size:11px}.material-row-actions{display:flex;gap:8px}.status-chip{border-radius:999px;padding:4px 8px;background:#eef2f0;color:#53615b;font-size:10px;font-weight:600}.status-chip.review{background:#fff3e5;color:#9d571f}.status-chip.failed{background:#fff0f0;color:#b14343}.status-chip.archived{background:#f1f1f1;color:#727272}.material-warning{margin-top:8px;padding:8px 10px;border-radius:8px;background:#fff7e9;color:#8b571f;font-size:11px;line-height:1.55}
.review-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:12px;padding:14px 16px;border:1px solid #eadbc5;border-radius:12px;background:#fffaf2}.review-toolbar>div{display:grid;gap:3px}.review-toolbar strong{font-size:14px}.review-toolbar span{color:var(--muted);font-size:12px}.suggestion-card{display:grid;grid-template-columns:68px minmax(0,1fr) auto;gap:16px;padding:18px 20px;border-top:1px solid var(--line)}.suggestion-card:first-child{border-top:0}.suggestion-change{align-self:start;border-radius:8px;padding:7px 8px;background:#edf6f2;color:var(--teal-dark);font-size:11px;font-weight:700;text-align:center}.suggestion-card.update .suggestion-change{background:#fff4e7;color:#9d571f}.suggestion-card.cancel .suggestion-change{background:#fff0f0;color:#a43f3f}.suggestion-main{min-width:0}.suggestion-title{display:flex;align-items:center;gap:9px}.suggestion-title>span{color:var(--muted);font-size:11px}.suggestion-title strong{font-size:15px}.suggestion-main>p{margin:7px 0;color:#47554f;font-size:13px;line-height:1.65}.suggestion-meta{display:flex;flex-wrap:wrap;gap:6px 12px;color:var(--muted);font-size:11px}.suggestion-main blockquote{margin:11px 0 0;padding:8px 11px;border-left:2px solid #E5D8C8;background:#F7F5F1;color:#65716c;font-size:11px;line-height:1.55}.suggestion-actions{display:flex;align-items:flex-start;gap:7px;white-space:nowrap}
.suggestion-diff{display:grid;grid-template-columns:minmax(0,1fr) 24px minmax(0,1fr);gap:9px;align-items:center;margin:11px 0;padding:11px;border:1px solid #eadcc7;border-radius:9px;background:#fffaf3}.suggestion-diff>span{display:grid;gap:3px}.suggestion-diff small{color:var(--muted);font-size:9px}.suggestion-diff strong{font-size:12px}.suggestion-diff b{color:#7e6650;font-size:10px;font-weight:500}.suggestion-diff>i{font-style:normal;color:#a97945;text-align:center}.suggestion-diff.missing{border-color:#efc7ca;background:#fff5f5}.field>small{color:var(--muted);font-size:10px;line-height:1.5}
.memory-row{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:18px 20px;border-top:1px solid var(--line)}.memory-row:first-child{border-top:0}.memory-row>div:first-child{display:grid;gap:6px}.memory-row strong{font-size:15px}.memory-row p{margin:0;color:#47554f;font-size:13px;line-height:1.65}.memory-row small{color:var(--muted)}.memory-category{width:max-content;border-radius:999px;padding:3px 8px;background:var(--teal-soft);color:var(--teal-dark);font-size:10px}.materials-empty{display:grid;justify-items:center;gap:7px;padding:54px 20px;text-align:center}.materials-empty.compact{padding:24px}.materials-empty strong{font-size:16px}.materials-empty p{margin:0;color:var(--muted);line-height:1.65}
.capture-intro,.ask-intro{display:grid;gap:4px;margin-bottom:16px;padding:13px 15px;border-radius:10px;background:#f1f7f4}.capture-intro strong,.ask-intro strong{font-size:14px}.capture-intro span,.ask-intro span{color:var(--muted);font-size:12px}.material-dropzone{min-height:118px;border:1.5px dashed #D9C5B2;border-radius:12px;background:#f8fbf9;display:grid;place-items:center;align-content:center;gap:6px;padding:18px;text-align:center;cursor:pointer;transition:.15s}.material-dropzone:hover,.material-dropzone.dragging{border-color:var(--teal);background:var(--teal-soft)}.material-dropzone input{position:absolute;width:1px;height:1px;opacity:0}.material-dropzone b{font-size:14px}.material-dropzone small{color:var(--muted)}.capture-file-list{margin:8px 0 0;padding:9px 11px;border-radius:8px;background:#f5f7f6;white-space:pre-wrap;color:#5e6965;font:11px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace}.capture-privacy-note{margin-top:14px;padding:10px 12px;border-left:2px solid #C9BFB2;background:#FAF9F7;color:#64706b;font-size:11px;line-height:1.6}.capture-progress{margin-top:10px;padding:10px 12px;border-radius:8px;background:#edf6f2;color:var(--teal-dark);font-size:12px}.material-detail{display:grid;gap:17px}.material-detail-meta{display:flex;flex-wrap:wrap;gap:8px}.material-detail-meta span{border-radius:999px;padding:4px 9px;background:#f0f3f1;color:#58645f;font-size:11px}.material-detail section{display:grid;gap:7px}.material-detail h3{margin:0;font-size:14px}.material-detail p{margin:0;line-height:1.7}.material-detail pre{max-height:260px;overflow:auto;margin:0;padding:12px;border-radius:8px;background:#F7F5F1;white-space:pre-wrap;font:12px/1.65 inherit}.attachment-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line)}.attachment-row span{display:grid;gap:3px}.attachment-row small{color:var(--muted)}
.capture-ai-choice{display:flex;align-items:flex-start;gap:10px;margin-top:14px;padding:11px 12px;border:1px solid var(--line);border-radius:9px;background:#fff}.capture-ai-choice>input{margin-top:3px}.capture-ai-choice>span{display:grid;gap:3px}.capture-ai-choice strong{font-size:12px}.capture-ai-choice small{color:var(--muted);font-size:10px;line-height:1.55}
.workspace-ask{display:grid;gap:15px}.ask-compose{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end}.ask-compose textarea{width:100%;resize:vertical}.workspace-answer{min-height:180px;border:1px solid var(--line);border-radius:12px;background:#FBFAF7;padding:16px}.workspace-answer-text{font-size:14px;line-height:1.85;white-space:normal}.workspace-source-list{display:grid;gap:6px;margin-top:16px;padding-top:13px;border-top:1px solid var(--line)}.workspace-source-list>strong{font-size:11px;color:var(--muted)}.workspace-source-list button{display:grid;grid-template-columns:54px minmax(0,1fr) auto;gap:9px;align-items:center;border:0;border-radius:8px;background:#f2f6f4;padding:8px 10px;text-align:left}.workspace-source-list button span{color:var(--teal-dark);font-size:10px}.workspace-source-list button b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.workspace-source-list button small{color:var(--muted);font-size:10px}.assistant-thinking{display:flex;align-items:center;gap:10px;color:var(--muted)}.assistant-thinking>span{width:9px;height:9px;border-radius:50%;background:var(--teal);animation:assistantPulse 1s infinite alternate}@keyframes assistantPulse{to{opacity:.28;transform:scale(.72)}}
.workspace-source-preview{display:grid;gap:10px;margin-top:4px;padding:14px;border:1px solid #EDE3D6;border-radius:11px;background:#f4f9f6}.workspace-source-preview-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.workspace-source-preview-head>div{display:grid;gap:3px}.workspace-source-preview-head small{color:var(--muted);font-size:10px}.workspace-source-preview-head strong{font-size:14px}.workspace-source-preview p{margin:0;line-height:1.65}.workspace-source-preview pre{max-height:220px;overflow:auto;margin:0;padding:10px;border-radius:8px;background:#fff;white-space:pre-wrap;font:11px/1.6 inherit}.workspace-source-files{display:flex;flex-wrap:wrap;gap:6px}.workspace-source-files span{border-radius:999px;padding:4px 8px;background:#fff;color:var(--muted);font-size:10px}
.dashboard-materials{display:grid}.dashboard-materials>button{min-height:54px;display:grid;grid-template-columns:32px minmax(0,1fr) auto;gap:10px;align-items:center;border:0;border-top:1px solid var(--line);background:transparent;padding:8px 0;text-align:left}.dashboard-materials>button:first-child{border-top:0}.dashboard-materials>button>span:nth-child(2){display:grid;gap:3px}.dashboard-materials strong{font-size:13px}.dashboard-materials small{color:var(--muted);font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dashboard-materials b{color:var(--muted);font-size:16px}.change-dot{width:10px;height:10px;margin-left:8px;border-radius:50%;background:var(--teal)}.change-dot.update{background:var(--orange)}.change-dot.cancel{background:var(--red)}.ai-assistant-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.ai-assistant-head>div:first-child{display:grid;gap:4px}.ai-assistant-head h2{margin:0}.ai-assistant-head span{color:var(--muted);font-size:12px}.ai-head-actions{display:flex;gap:8px}
.quick-record-sheet .quick-record-assistant{background:#eef7f3;border-color:#EDE3D6}.quick-record-sheet .quick-record-assistant strong{color:var(--teal-dark)}
.workbench-privacy-mode .material-row-main p,.workbench-privacy-mode .suggestion-main>p,.workbench-privacy-mode .suggestion-main blockquote,.workbench-privacy-mode .memory-row p,.workbench-privacy-mode .workspace-answer-text{filter:blur(5px);user-select:none}.workbench-privacy-mode .suggestion-title strong,.workbench-privacy-mode .memory-row strong{color:#6b7470}
.todo-sheet{display:grid;gap:18px}.todo-sheet-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--line)}.todo-sheet-head>div{display:grid;gap:3px}.todo-sheet-head span{color:var(--muted);font-size:11px}.todo-sheet section>h3{font-size:13px;margin:0 0 6px}.todo-sheet-row{min-height:56px;display:grid;grid-template-columns:22px minmax(0,1fr) auto;gap:10px;align-items:center;border-top:1px solid var(--line)}.todo-sheet-row>span{display:grid;gap:4px}.todo-sheet-row strong{font-size:13px}.todo-sheet-row small{color:var(--muted);font-size:11px}.todo-sheet details{border-top:1px solid var(--line);padding-top:12px}.todo-sheet summary{cursor:pointer;color:var(--muted);font-size:12px}.todo-sheet-completed{min-height:48px;display:flex;align-items:center;gap:9px;border-top:1px solid var(--line)}.todo-sheet-completed>span{color:var(--teal)}.todo-sheet-completed>div{display:grid;gap:3px}.todo-sheet-completed strong{font-size:12px}.todo-sheet-completed small{color:var(--muted);font-size:10px}
html,body{background:var(--bg);color:var(--text)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);padding:16px;box-shadow:none}
.btn{min-height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-sm);padding:8px 13px;font-size:13px;font-weight:500;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.btn:hover{border-color:#C9D4CE;background:#FBFAF7}.btn.primary{background:var(--teal);color:#fff;border-color:var(--teal)}.btn.primary:hover{background:var(--teal-dark)}
.btn.secondary{background:#fff;color:var(--text)}.text-btn{border:0;background:transparent;color:var(--teal-dark);padding:5px 4px;font-size:12px}
.field{gap:6px}.field span{font-size:12px;color:var(--muted);font-weight:500}.field input,.field select,.field textarea{min-height:40px;width:100%;border:1px solid #DDE3DF;border-radius:var(--radius-sm);padding:8px 11px;background:#fff;outline:none;font-size:13px}.field textarea{min-height:88px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:#C99B7E;box-shadow:0 0 0 3px rgba(40,116,93,.08)}
.modal{border-radius:var(--radius-modal);box-shadow:var(--shadow-float)}.modal-head{height:64px;padding:0 20px}.modal-head h2{font-size:18px;font-weight:600}.modal-body{padding:20px}
.page-root{padding:24px 28px 56px}.topbar{min-height:76px;padding:14px 28px}.topbar h1{font-size:22px;font-weight:600;letter-spacing:-.01em}.topbar p{font-size:13px}.top-summary strong{font-size:14px}
.page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}.page-header h2{margin:0;font-size:22px;font-weight:600;letter-spacing:-.01em}.page-header p{margin:5px 0 0;font-size:13px;color:var(--muted)}
.page-tabs{display:flex;gap:18px;border-bottom:1px solid var(--line);min-height:36px;overflow:auto}.page-tab{border:0;background:none;padding:7px 0 9px;color:var(--muted);font-size:13px;white-space:nowrap}.page-tab.active{color:var(--teal-dark);font-weight:600;border-bottom:2px solid var(--teal)}
.section-head{margin-bottom:14px}.section-head h2{font-size:17px;font-weight:600}.toolbar{padding:16px}.toolbar h2{font-size:18px;margin:0 0 4px}.toolbar p{font-size:12px}
.stat{border:0;border-radius:8px;padding:12px 8px;background:#FAF9F7}.stat strong{font-size:24px}.mini-metrics span{border:0;background:#FAF9F7;border-radius:8px;padding:8px 10px}
.quick-link{border:1px solid var(--line);padding:8px 11px;border-radius:8px}.birthday-row{border:0;border-bottom:1px solid var(--line);border-radius:0;padding:10px 2px}
.todo-item,.notice-row{padding:10px 2px;border-bottom:1px solid var(--line)}
.settings-page{max-width:880px}.settings-header{margin-bottom:8px}.settings-list{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}.settings-row{width:100%;min-height:68px;border:0;border-bottom:1px solid var(--line);background:#fff;padding:12px 16px;display:flex;align-items:center;gap:12px;text-align:left}.settings-row:last-child{border-bottom:0}.settings-row:hover{background:#FAF9F7}.settings-copy{display:grid;gap:4px;min-width:0;flex:1}.settings-copy strong{font-size:14px;font-weight:600}.settings-copy small{font-size:12px;color:var(--muted)}.settings-arrow{font-size:22px;color:var(--weak)}.settings-about{cursor:default}
.grade-tabs,.worklog-tabs{display:flex;gap:18px;border-bottom:1px solid var(--line)}.grade-tab{border:0;background:transparent;padding:8px 0 10px;color:var(--muted);font-size:13px}.grade-tab.active{color:var(--teal-dark);font-weight:600;border-bottom:2px solid var(--teal)}
.worklog-item{border-bottom:1px solid var(--line);padding:14px 2px}.worklog-item:last-child{border-bottom:0}.worklog-list{padding-top:4px}.worklog-summary span{background:#FAF9F7;border:0;border-radius:8px}
.data-card{box-shadow:none}.metric-card{box-shadow:none!important;border:1px solid var(--line)!important;border-radius:10px!important}.compact-card{box-shadow:none!important}
@media print{.sidebar,.sidebar-scrim,.topbar,.mobile-topbar,.mobile-bottom-nav{display:none!important}.main-area{margin:0!important;width:100%!important}.page-root{padding:0!important}}

/* V2.8 page-specific simplification */
.dashboard-v21,.dashboard-main-grid,.dashboard-lower-grid,.dashboard-aux-grid{gap:14px}.overview-card{background:#fff}.metric-cards{gap:10px}.metric-card{background:#fff}.metric-card:hover{background:#FAF9F7}.attendance-strip,.holiday-card,.birthday-compact{box-shadow:none}
.student-table-panel{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}.student-table-panel .table-wrap{margin:0}.student-page-header .search-box{min-width:220px}
.attendance-summary{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:14px}.attendance-history{padding:16px}.history-row{border-color:var(--line)}
.grade-page-header{align-items:flex-start}.grades-page>.grade-tabs-wrap{background:#fff;border:1px solid var(--line);border-radius:10px 10px 0 0;padding:0 16px}.grades-page>.card,.grades-page>.data-card{border-radius:0 0 10px 10px;border-top:0}.grade-toolbar{padding:0}.select-control{min-height:40px;border:1px solid var(--line);border-radius:8px;padding:0 10px;background:#fff;font-size:13px}
.worklog-controls{background:#fff;border:1px solid var(--line);border-radius:10px 10px 0 0;padding:12px 16px 0}.worklog-summary{margin-bottom:10px}.worklog-tabs{margin:0}.worklog-search{padding:10px 0;display:flex;gap:8px}.worklog-search input{min-height:38px;border:1px solid var(--line);border-radius:8px;padding:7px 10px;flex:1;min-width:0}.worklog-list{background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 10px 10px;padding:0 16px}.worklog-item h3{font-size:15px;margin:5px 0}.worklog-item p{font-size:13px;color:var(--muted);margin:0}
.module-stack{gap:14px}.seat-card,.duty-board-card,.timetable-card,.committee-card{box-shadow:none}.committee-grid{gap:10px}.committee-card{border-radius:10px}.timetable-card{border-radius:10px}.timetable-toolbar{padding:14px 16px;border-bottom:1px solid var(--line)}.timetable-table th,.timetable-table td{border-color:var(--line)}
.profile-panel{box-shadow:none!important;border:1px solid var(--line)!important;border-radius:10px!important}.profile-grid{gap:10px!important}.profile-hero{border-radius:10px!important;box-shadow:none!important}
:root{--radius:10px;--shadow:0 8px 24px rgba(15,23,42,.07)}
.brand-mark{background:var(--teal);box-shadow:none;border-radius:9px}.brand strong{font-weight:600}

/* Advanced assistance guide */
.advanced-help-page{max-width:980px;display:grid;gap:18px}
.advanced-help-hero,.advanced-help-section{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 24px}
.advanced-help-kicker{font-size:12px;font-weight:700;color:var(--teal-dark);margin-bottom:8px}
.advanced-help-hero h2{margin:0;font-size:24px;letter-spacing:-.02em}
.advanced-help-hero>p{max-width:760px;margin:10px 0 0;color:var(--muted);line-height:1.8}
.advanced-help-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.advanced-help-actions .btn{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.advanced-help-path{display:flex;align-items:center;gap:12px;margin-top:16px;padding:10px 12px;background:var(--bg);border-radius:8px;font-size:12px;color:var(--muted)}
.advanced-help-path code{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}
.advanced-help-section-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px}.advanced-help-section-head>span{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--teal-soft);color:var(--teal-dark);font-size:11px;font-weight:800}.advanced-help-section-head h3{margin:0;font-size:17px}.advanced-help-section-head p{margin:4px 0 0;font-size:12px;color:var(--muted)}
.advanced-help-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.advanced-help-steps li{padding:14px;background:var(--bg);border-radius:9px}.advanced-help-steps strong,.advanced-help-steps span{display:block}.advanced-help-steps strong{font-size:13px}.advanced-help-steps span{font-size:12px;color:var(--muted);line-height:1.6;margin-top:6px}
.advanced-help-examples{display:grid;grid-template-columns:1fr 1fr;gap:8px}.advanced-help-examples blockquote{margin:0;padding:13px 14px;border:0;background:var(--bg);border-radius:8px;font-size:13px;line-height:1.7;color:var(--text)}
.advanced-help-usecases{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.advanced-help-usecases article{padding:14px;background:var(--bg);border-radius:9px}.advanced-help-usecases strong,.advanced-help-usecases span{display:block}.advanced-help-usecases strong{font-size:13px;color:var(--text)}.advanced-help-usecases span{margin-top:6px;font-size:12px;line-height:1.7;color:var(--muted)}
.advanced-help-safety>p{margin:0;color:var(--muted);line-height:1.8;font-size:13px}.advanced-help-safety code{color:var(--text)}

/* Local design prototype — teacher-first today workspace */
.today-workbench{max-width:1440px;margin:0 auto;display:grid;gap:16px}
.today-context{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:4px 2px 2px}.today-context h2{margin:5px 0 4px;font-size:26px;font-weight:650;letter-spacing:-.025em}.today-context p{margin:0;color:var(--muted);font-size:13px}.today-kicker{display:block;color:var(--teal-dark);font-size:12px;font-weight:700;letter-spacing:.03em}.today-context-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}.privacy-toggle.active{background:#33312C;color:#fff;border-color:#33312C}
.attendance-gate{min-height:82px;display:grid;grid-template-columns:minmax(280px,1fr) auto auto;gap:22px;align-items:center;padding:15px 16px 15px 18px;border:1px solid var(--line);border-radius:10px;background:#fff}.attendance-gate.pending{background:#FFF9F0;border-color:#EEDDBE}.attendance-gate.done{background:#F5F3EF}.attendance-gate-copy{display:flex;align-items:center;gap:12px;min-width:0}.attendance-gate-copy .status-marker{width:10px;height:10px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px rgba(216,135,32,.11);flex:0 0 auto}.attendance-gate.done .status-marker{background:var(--teal);box-shadow:0 0 0 5px rgba(40,116,93,.10)}.attendance-gate-copy strong,.attendance-gate-copy small{display:block}.attendance-gate-copy strong{font-size:15px}.attendance-gate-copy small{margin-top:4px;color:var(--muted);font-size:12px}.attendance-inline-stats{display:flex;align-items:center;gap:16px;white-space:nowrap}.attendance-inline-stats span{font-size:11px;color:var(--muted)}.attendance-inline-stats b{margin-right:4px;color:var(--text);font-size:16px;font-variant-numeric:tabular-nums}
.today-layout{display:grid;grid-template-columns:minmax(0,1fr) 348px;gap:16px;align-items:start}.today-main,.today-side{display:grid;gap:16px}.focus-now{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}.focus-now-head{min-height:42px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line);background:#FBFAF7}.focus-now-head span{font-size:12px;font-weight:700;color:var(--teal-dark)}.focus-now-head small{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}.focus-now-body{min-height:116px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 20px}.focus-now-body h3{margin:0;font-size:28px;font-weight:650;letter-spacing:-.02em}.focus-now-body p{margin:7px 0 0;color:var(--muted);font-size:13px}.quick-action-row{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}.quick-action-row>button{min-height:72px;border:0;border-right:1px solid var(--line);background:#fff;padding:12px 14px;display:flex;align-items:center;gap:10px;text-align:left;color:var(--teal-dark)}.quick-action-row>button:last-child{border-right:0}.quick-action-row>button:hover{background:#F7F5F1}.quick-action-row span{min-width:0}.quick-action-row strong,.quick-action-row small{display:block}.quick-action-row strong{font-size:13px;color:var(--text)}.quick-action-row small{margin-top:3px;color:var(--muted);font-size:11px}
.action-section,.side-section{padding:16px}.follow-up-list,.today-todo-list,.today-schedule,.notice-brief-list,.recent-log-list{display:grid}.follow-up-row{min-height:64px;border:0;border-top:1px solid var(--line);background:#fff;padding:9px 0;display:grid;grid-template-columns:38px minmax(0,1fr) auto 18px;gap:11px;align-items:center;text-align:left}.follow-up-row:first-child{border-top:0}.follow-up-row:hover{background:#FAF9F7}.follow-up-avatar{width:36px;height:36px;border-radius:10px;background:var(--teal-soft);color:var(--teal-dark);display:grid;place-items:center;font-size:13px;font-weight:700}.follow-up-row.urgent .follow-up-avatar{background:#FCEFF0;color:var(--red)}.follow-up-main{min-width:0}.follow-up-main strong,.follow-up-main small,.follow-up-meta b,.follow-up-meta small{display:block}.follow-up-main strong{font-size:13px}.follow-up-main small{margin-top:4px;color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.follow-up-meta{text-align:right}.follow-up-meta b{font-size:11px;color:var(--teal-dark)}.follow-up-meta small{margin-top:4px;color:var(--muted);font-size:10px}.row-chevron{color:var(--weak);font-size:18px}
.today-todo-row{min-height:54px;display:grid;grid-template-columns:24px minmax(0,1fr) auto;gap:10px;align-items:center;border-top:1px solid var(--line)}.today-todo-row:first-child{border-top:0}.today-todo-row>span{min-width:0}.today-todo-row strong,.today-todo-row small{display:block}.today-todo-row strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.today-todo-row small{margin-top:4px;color:var(--muted);font-size:11px}.today-todo-row .check-button{width:20px;height:20px}
.schedule-row{min-height:58px;display:grid;grid-template-columns:46px minmax(0,1fr) auto;gap:10px;align-items:center;border-top:1px solid var(--line);padding:8px 0}.schedule-row:first-child{border-top:0}.schedule-row time{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.schedule-row span{min-width:0}.schedule-row strong,.schedule-row small{display:block}.schedule-row strong{font-size:13px}.schedule-row small{margin-top:3px;color:var(--muted);font-size:10px}.schedule-row>b{font-size:10px;color:var(--teal-dark);background:var(--teal-soft);border-radius:999px;padding:4px 7px}.schedule-row.current{margin:0 -8px;padding-left:8px;padding-right:8px;background:#F5F3EF;border-radius:8px;border-top-color:transparent}.duty-brief{width:100%;min-height:58px;border:0;background:#F7F9F8;border-radius:8px;padding:11px 12px;display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:left}.duty-brief span{min-width:0}.duty-brief strong,.duty-brief small{display:block}.duty-brief strong{font-size:12px}.duty-brief small{margin-top:4px;color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.duty-brief>b{color:var(--teal-dark);font-size:12px}.notice-brief-list{margin-top:8px}.notice-brief-list>button{min-height:42px;border:0;border-top:1px solid var(--line);background:#fff;padding:7px 0;display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left}.notice-brief-list span{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.notice-brief-list small{color:var(--muted);font-size:10px;white-space:nowrap}.recent-log-list>button{min-height:50px;border:0;border-top:1px solid var(--line);background:#fff;padding:8px 0;display:grid;grid-template-columns:40px minmax(0,1fr);gap:9px;align-items:center;text-align:left}.recent-log-list>button:first-child{border-top:0}.recent-log-list time{color:var(--muted);font-size:10px;font-variant-numeric:tabular-nums}.recent-log-list strong,.recent-log-list small{display:block}.recent-log-list strong{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.recent-log-list small{margin-top:3px;color:var(--muted);font-size:10px}
.privacy-on .privacy-sensitive{filter:blur(5px);user-select:none}.privacy-on .follow-up-avatar{background:#EFF1F0;color:#56605C}
.quick-record-sheet{display:grid;border:1px solid var(--line);border-radius:10px;overflow:hidden}.quick-record-sheet>button{min-height:68px;border:0;border-bottom:1px solid var(--line);background:#fff;padding:12px 14px;display:grid;gap:4px;text-align:left}.quick-record-sheet>button:last-child{border-bottom:0}.quick-record-sheet>button:hover{background:#F7F5F1}.quick-record-sheet strong{font-size:14px}.quick-record-sheet span{color:var(--muted);font-size:12px}.student-finder{display:grid;gap:12px}.student-finder-search{display:grid;gap:6px}.student-finder-search>span{font-size:12px;color:var(--muted)}.student-finder-search input{min-height:42px;border:1px solid var(--line);border-radius:8px;padding:8px 11px;outline:none}.student-finder-search input:focus{border-color:#C99B7E;box-shadow:0 0 0 3px rgba(40,116,93,.08)}.student-finder-list{max-height:54vh;overflow:auto;display:grid}.student-finder-list>button{min-height:58px;border:0;border-top:1px solid var(--line);background:#fff;padding:8px 2px;display:grid;grid-template-columns:38px minmax(0,1fr) 18px;gap:10px;align-items:center;text-align:left}.student-finder-list>button[hidden]{display:none}.student-finder-list>button:first-child{border-top:0}.student-finder-list>button:hover{background:#FAF9F7}.student-finder-list strong,.student-finder-list small{display:block}.student-finder-list strong{font-size:13px}.student-finder-list small{margin-top:3px;color:var(--muted);font-size:11px}.student-finder-list>b{color:var(--weak)}
@media(max-width:1180px){.today-layout{grid-template-columns:1fr}.today-side{grid-template-columns:repeat(2,minmax(0,1fr))}.schedule-section{grid-row:span 2}.attendance-gate{grid-template-columns:minmax(260px,1fr) auto}.attendance-inline-stats{grid-column:1/-1;grid-row:2}}
@media(max-width:860px){.today-context{align-items:flex-start;flex-direction:column}.today-context-actions{justify-content:flex-start}.quick-action-row{grid-template-columns:repeat(2,1fr)}.quick-action-row>button:nth-child(2){border-right:0}.quick-action-row>button:nth-child(-n+2){border-bottom:1px solid var(--line)}.today-side{grid-template-columns:1fr}.attendance-gate{grid-template-columns:1fr}.attendance-inline-stats{grid-column:auto;grid-row:auto;justify-content:flex-start;flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.metric-card,.toast,.nav-group-chevron{transition:none!important}.metric-card:hover{transform:none}}
.dashboard-ask{display:flex;align-items:center;gap:10px;margin:14px 0 4px;padding:10px 12px;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.dashboard-ask:focus-within{border-color:#DCA98F;box-shadow:0 0 0 3px rgba(201,100,66,.10)}.dashboard-ask-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--teal-soft);color:var(--teal-dark);flex:0 0 auto}.dashboard-ask input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:14px}.dashboard-ask .btn{flex:0 0 auto}
@media(max-width:860px){.dashboard-ask{margin-top:10px}}
.student-hub{display:grid;gap:16px}.student-hub-tabs{margin:0}.page-tab .hub-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--orange);margin-left:6px;vertical-align:2px}
.sticky-save-bar{position:sticky;bottom:0;display:flex;align-items:center;gap:12px;justify-content:flex-end;padding:10px 20px;background:linear-gradient(180deg,rgba(255,255,255,.94),#fff 60%);border-top:1px solid var(--line);border-radius:0 0 var(--radius) var(--radius);z-index:5}
.timetable-today, .timetable-table th.timetable-today{background:var(--teal-soft)!important}
.timetable-day-head .today-tag{display:inline-block;margin-left:6px;padding:1px 6px;border-radius:999px;background:var(--teal);color:#fff;font-size:11px}
.today-todo-row.todo-overdue{border-left:3px solid var(--red);padding-left:8px}
.today-todo-row.todo-overdue small b.red-text{font-weight:700}
.followup-state{display:inline-block;margin-left:6px;padding:1px 8px;border-radius:999px;font-size:11px;vertical-align:middle}
.followup-state.open{background:#FFF4E3;color:#8A5A00}
.followup-state.done{background:#EAF4EF;color:#8F4A2E}
.followup-state.cancelled{background:#F0F1F3;color:#5B6B7A}
.profile-contact-list .followup-state{display:block;margin:5px 0 0}
.collection-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}
.collection-row:last-child{border-bottom:none}
.collection-main{min-width:0}
.collection-main strong{display:block}
.collection-main small{color:var(--muted)}
.collection-status-row{display:flex;align-items:center;gap:8px;width:100%}
.collection-status-main{flex:1;min-width:0;display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left;background:#fff;border:1px solid var(--line);border-radius:8px;padding:9px 12px;font:inherit;cursor:pointer}
.collection-status-row b{color:var(--teal-dark)}
.collection-status-row[data-status="missing"] b{color:var(--red)}
.collection-status-row[data-status="unverified"] b{color:#8A5A00}
.collection-status-row[data-status="na"] b{color:var(--muted)}
.document-artifact .assistant-doc-preview{max-height:240px;overflow:auto;border:1px solid var(--line);border-radius:8px;margin:8px 0}
.assistant-doc-preview table{width:100%;border-collapse:collapse;font-size:12px}
.assistant-doc-preview th,.assistant-doc-preview td{border:1px solid var(--line);padding:5px 8px;text-align:left;white-space:nowrap}
.assistant-doc-preview th{background:var(--teal-soft);position:sticky;top:0}
.seat-constraint-chips span{display:inline-block;margin:0 8px 6px 0;padding:2px 10px;border-radius:999px;background:var(--teal-soft);color:var(--teal-dark);font-size:12px}
.teaching-artifact-list{display:grid;gap:6px;margin:8px 0}
.teaching-artifact-row{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.teaching-artifact-row strong{display:block;font-size:13px}
.teaching-artifact-row small{color:var(--muted)}

/* V2.11 assistant-first layout */
.nav-threads-block{padding:2px 0 10px;border-bottom:1px solid #ECE8E0;margin-bottom:10px}
.nav-new-thread{width:100%;border:1px solid var(--teal);background:var(--teal);color:#fff;border-radius:10px;padding:10px 12px;font-weight:700;text-align:left}
.nav-new-thread:hover{background:var(--teal-dark);border-color:var(--teal-dark)}
.nav-threads{display:grid;gap:2px;max-height:280px;overflow:auto;margin-top:8px}
.nav-thread{border:0;background:transparent;text-align:left;padding:8px 10px;border-radius:9px;display:flex;align-items:center;justify-content:space-between;gap:8px;color:#57534E}
.nav-thread:hover{background:#f3f8f8}
.nav-thread.active{background:var(--teal-soft);color:var(--teal-dark)}
.nav-thread span{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}
.nav-thread small{color:var(--muted);flex:0 0 auto;font-size:11px}
.nav-threads-empty{margin:6px 2px;font-size:12px;color:var(--muted)}
.assistant-fullscreen{display:flex;flex-direction:column;min-height:calc(100vh - 140px)}
.assistant-fullscreen .assistant-conversation{flex:1;max-width:900px;width:100%;margin:0 auto}
.assistant-fullscreen .assistant-composer{max-width:900px;width:100%;margin:0 auto}
.assistant-todaybar{max-width:900px;width:100%;margin:0 auto 6px;position:relative}
.assistant-todaybar-toggle{width:100%;border:1px solid var(--line);background:#fff;border-radius:12px;padding:9px 14px;display:flex;align-items:center;gap:12px;text-align:left;font-size:13px;color:var(--muted)}
.assistant-todaybar-toggle:hover{border-color:#D9B8A5}
.assistant-todaybar-toggle strong{color:var(--text);font-size:14px}
.assistant-todaybar-caret{margin-left:auto;color:var(--teal-dark);font-size:12px}
.assistant-today-panel{position:absolute;top:calc(100% + 6px);left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:14px;z-index:30}
.assistant-today-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.assistant-today-grid h4{margin:0 0 8px;font-size:13px;color:var(--teal-dark)}
.assistant-today-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 0;border-bottom:1px solid #ECE8E0;font-size:13px}
.assistant-today-row:last-child{border-bottom:0}
.assistant-today-row span{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.assistant-today-row small{color:var(--muted);flex:0 0 auto}
@media(max-width:900px){.assistant-today-grid{grid-template-columns:1fr}.assistant-fullscreen{min-height:calc(100vh - 120px)}.nav-threads{max-height:200px}}
.teaching-page{display:grid;gap:18px}
.teaching-page .page-header{padding:0}
.teaching-block .section-head{margin-bottom:12px}
.teaching-course-list,.teaching-source-list,.teaching-artifact-table{display:grid;gap:0}
.teaching-course-row,.teaching-source-row,.teaching-artifact-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 2px;border-bottom:1px solid #ECE8E0}
.teaching-course-row:last-child,.teaching-source-row:last-child,.teaching-artifact-row:last-child{border-bottom:0}
.teaching-course-row>span,.teaching-source-row>span,.teaching-artifact-row>span{min-width:0;display:grid;gap:3px}
.teaching-course-row small,.teaching-source-row small,.teaching-artifact-row small{color:var(--muted)}
.teaching-artifact-row>span{flex:1}

/* ===== V2.11 visual polish: AI-first chat surface (ChatGPT/Claude-grade) ===== */
:root{--app-bg:#F5F3EF;--sidebar-bg:#FCFBF9;--ink:#1F1E1B;--ink-2:#57534E;--ink-3:#8A857C;--line-soft:#E7E2D9;--accent:#C96442;--accent-ink:#A8552F;--accent-wash:#F5E8DF;--hover:#F1EDE5;--ring:rgba(201,100,66,.15);--r-lg:18px;--r-md:12px;--r-sm:9px}
body,html{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{background:var(--app-bg)}
.app-shell{background:var(--app-bg)}

/* ---- sidebar: quiet surface, borderless threads ---- */
.sidebar{background:var(--sidebar-bg);border-right:1px solid var(--line-soft)}
.brand{border-bottom:1px solid var(--line-soft)}
.brand strong{letter-spacing:-.01em}
.nav-list{padding-top:10px}
.nav-item{border-radius:var(--r-sm);font-size:13.5px;color:var(--ink-2);transition:background .15s ease,color .15s ease}
.nav-item:hover{background:var(--hover)}
.nav-item.active{background:var(--accent-wash);color:var(--accent-ink);font-weight:600}
.nav-group-label{font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:#A39D93;padding:14px 12px 4px}
.nav-threads-block{padding:4px 0 12px;border-bottom:1px solid var(--line-soft);margin-bottom:8px}
.nav-new-thread{width:100%;display:flex;align-items:center;gap:8px;border:1px dashed #D9C5B2;background:transparent;color:var(--accent-ink);border-radius:var(--r-md);padding:10px 12px;font-size:13.5px;font-weight:600;transition:.15s ease}
.nav-new-thread:hover{background:var(--accent-wash);border-color:var(--accent);border-style:solid}
.nav-threads{display:grid;gap:1px;max-height:264px;overflow:auto;margin-top:8px;padding:0 2px;scrollbar-width:thin}
.nav-thread{border:0;background:transparent;text-align:left;padding:8px 10px;border-radius:8px;display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--ink-2);transition:background .13s ease}
.nav-thread:hover{background:var(--hover)}
.nav-thread.active{background:var(--accent-wash);color:var(--accent-ink);font-weight:600}
.nav-thread span{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}
.nav-thread small{color:#A39D93;flex:0 0 auto;font-size:11px;font-variant-numeric:tabular-nums}
.nav-threads-empty{margin:8px 4px;font-size:12px;color:var(--ink-3)}

/* ---- topbar blends into chat surface ---- */
.topbar{background:transparent;border-bottom:1px solid transparent;backdrop-filter:saturate(1.2)}
.topbar h1{font-size:19px;letter-spacing:-.01em}

/* ---- assistant fullscreen column ---- */
.assistant-fullscreen{max-width:820px;margin:0 auto;min-height:calc(100vh - 150px);display:flex;flex-direction:column;padding:0 20px}

/* today strip: quiet meta line, not a form control */
.assistant-todaybar{position:relative;margin:0 auto 4px}
.assistant-todaybar-toggle{width:auto;display:inline-flex;align-items:center;gap:9px;border:0;background:transparent;border-radius:999px;padding:7px 13px;font-size:12.5px;color:var(--ink-3);transition:background .15s ease}
.assistant-todaybar-toggle:hover{background:var(--hover)}
.assistant-todaybar-toggle strong{color:var(--ink);font-size:13px;font-weight:650}
.assistant-todaybar-toggle span{color:var(--ink-3)}
.assistant-todaybar-caret{color:var(--accent-ink);font-size:11.5px}
.assistant-today-panel{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);width:min(760px,92vw);background:#fff;border:1px solid var(--line-soft);border-radius:16px;box-shadow:0 18px 48px rgba(60,48,38,.14);padding:18px;z-index:40}
.assistant-today-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.assistant-today-grid h4{margin:0 0 9px;font-size:12px;font-weight:700;letter-spacing:.05em;color:var(--accent-ink);text-transform:uppercase}
.assistant-today-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 9px;border-radius:8px;font-size:13px}
.assistant-today-row:hover{background:var(--hover)}
.assistant-today-row span{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink-2)}
.assistant-today-row small{color:var(--ink-3);flex:0 0 auto;font-size:11.5px}

/* conversation column */
.assistant-conversation{flex:1;display:flex;flex-direction:column;justify-content:flex-end;padding:8px 0 18px}
.assistant-message{max-width:100%}
.assistant-message.from-teacher{margin-left:auto;max-width:78%;background:var(--accent-wash);color:var(--ink);border-radius:18px 18px 4px 18px;padding:11px 15px;margin-block:6px}
.assistant-message.from-teacher .assistant-message-text{font-size:14.5px;line-height:1.65;white-space:pre-wrap}
.assistant-message.from-teacher .assistant-message-label{display:none}
.assistant-message.from-assistant{padding:4px 2px;margin-block:14px}
.assistant-message.from-assistant .assistant-message-label{font-size:11px;color:var(--ink-3);margin-bottom:6px}
.assistant-message.from-assistant .assistant-message-text{font-size:15px;line-height:1.75;color:var(--ink)}
.assistant-message.from-assistant .assistant-artifact,.assistant-message.from-assistant .assistant-proposals,.assistant-message.from-assistant .assistant-teaching-artifacts,.assistant-message.from-assistant .assistant-doc-preview{font-size:14px}

/* welcome hero */
.assistant-welcome{margin:auto 0;padding:40px 8px 28px;text-align:left}
.assistant-welcome-icon{display:none}
.assistant-welcome h3{font-size:30px;line-height:1.25;letter-spacing:-.02em;font-weight:750;margin:0 0 10px;background:linear-gradient(120deg,var(--ink) 30%,var(--accent-ink));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.assistant-welcome p{font-size:15px;color:var(--ink-3);margin:0 0 26px}
.assistant-examples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.assistant-examples button{border:1px solid var(--line-soft);background:#fff;border-radius:14px;padding:14px 15px;display:grid;gap:5px;text-align:left;font-size:13.5px;font-weight:600;color:var(--ink);box-shadow:0 1px 2px rgba(60,48,38,.04);transition:.16s ease}
.assistant-examples button span{font-size:12px;font-weight:400;color:var(--ink-3)}
.assistant-examples button:hover{border-color:#E3C9B8;box-shadow:0 6px 18px rgba(60,48,38,.08);transform:translateY(-1px)}

/* composer: floating capsule */
.assistant-composer{background:#fff;border:1px solid var(--line-soft);border-radius:20px;box-shadow:0 10px 34px rgba(60,48,38,.10);padding:12px 14px 10px;margin:0 auto 26px;transition:border-color .15s ease,box-shadow .15s ease}
.assistant-composer:focus-within{border-color:#DCA98F;box-shadow:0 10px 34px rgba(60,48,38,.10),0 0 0 4px var(--ring)}
.assistant-composer textarea{border:0;outline:none;resize:none;background:transparent;width:100%;font-size:14.5px;line-height:1.6;padding:4px 4px 8px}
.assistant-compose-actions{display:flex;align-items:center;gap:10px}
.assistant-attach{border:0;background:transparent;font-size:12.5px;color:var(--ink-3);padding:6px 8px;border-radius:8px}
.assistant-attach:hover{background:var(--hover);color:var(--ink-2)}
.assistant-compose-hint{margin-right:auto;font-size:11.5px;color:#A39D93}
.assistant-composer .btn.primary{border-radius:999px;padding:9px 20px}
.dragging{border-color:var(--accent)!important;border-style:dashed!important}

/* generic card & button harmonization */
.card{border-color:var(--line-soft)}
.btn{border-radius:10px;font-size:13.5px;transition:.15s ease}
.section-head.tight h3.card-title{font-size:16px;letter-spacing:-.01em}
@media(max-width:900px){.assistant-fullscreen{padding:0 4px}.assistant-examples{grid-template-columns:1fr}.assistant-message.from-teacher{max-width:88%}.assistant-today-grid{grid-template-columns:1fr}}

/* ===== V2.11b: rail nav + assistant workbench (NexUX-style) ===== */
.assistant-shell{display:flex;gap:16px;align-items:stretch;min-height:calc(100vh - 150px)}
.assistant-threads{width:248px;flex:0 0 248px;background:#fff;border:1px solid var(--line-soft);border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:10px}
.assistant-new-thread{width:100%;border:0;background:var(--accent-wash);color:var(--accent-ink);border-radius:12px;padding:11px 12px;font-size:13.5px;font-weight:700;text-align:center;transition:.15s ease}
.assistant-new-thread:hover{background:#F5E8DF}
.assistant-thread-list{flex:1;overflow:auto;display:grid;gap:2px;align-content:start;scrollbar-width:thin;max-height:56vh}
.assistant-thread-foot{border-top:1px solid var(--line-soft);padding-top:10px}
.assistant-channel-mini{width:100%;border:0;background:transparent;text-align:left;font-size:12px;padding:7px 8px;border-radius:8px;color:var(--ink-3)}
.assistant-channel-mini.ok{color:var(--accent-ink)}
.assistant-channel-mini.warn{color:var(--orange);background:#fdf6ec}
.assistant-channel-mini:hover{background:var(--hover)}
.assistant-main{flex:1;min-width:0;display:flex;flex-direction:column}
.assistant-greeting{margin:2px 0 14px}
.assistant-greeting h2{margin:0;font-size:24px;font-weight:750;letter-spacing:-.02em;color:var(--ink)}
.assistant-greeting p{margin:4px 0 0;font-size:12.5px;color:var(--ink-3)}
.assistant-briefing{display:grid;gap:10px;margin:0 0 14px;padding:14px 16px;background:#fff;border:1px solid var(--line-soft);border-radius:14px;box-shadow:0 1px 2px rgba(60,48,38,.04)}
.assistant-briefing-lead{margin:0;font-size:13.5px;line-height:1.55;color:var(--ink)}
.assistant-briefing-chips{display:flex;flex-wrap:wrap;gap:8px}
.assistant-chip.warn{border-color:#f2cdc9;background:#fdf4f3;color:#b3423f;font-weight:600}
.assistant-shell .assistant-conversation{flex:1;display:flex;flex-direction:column;justify-content:flex-end;overflow:auto;padding:6px 2px 14px;max-height:none}
.assistant-shell .assistant-welcome{margin:auto 0;text-align:left;padding:26px 4px}
.assistant-shell .assistant-welcome h3{font-size:24px;margin-bottom:8px}
.assistant-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px}
.assistant-chip{border:1px solid var(--line-soft);background:#fff;border-radius:999px;padding:8px 14px;font-size:12.5px;color:var(--ink-2);transition:.15s ease}
.assistant-chip:hover{border-color:#DCA98F;color:var(--accent-ink);background:#F6F1EA}
.assistant-shell .assistant-composer{margin:0 0 8px;border-radius:16px}
.assistant-message.from-assistant .assistant-message-text{white-space:pre-wrap}
.sidebar-threads{display:none}
@media(max-width:900px){
  .assistant-threads{display:none}
  .assistant-shell{flex-direction:column}
}
.assistant-shell{max-width:1240px;margin:0 auto}
.assistant-thread-list{overflow-x:hidden;max-width:100%}
.assistant-thread-list .nav-thread{width:100%}
.assistant-thread-list .nav-thread span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.assistant-shell{height:calc(100vh - 175px);min-height:520px}
@media(max-width:900px){.assistant-shell{height:calc(100vh - 210px);min-height:420px}}
.assistant-thread-list{max-height:none}
.assistant-fullscreen{min-height:0}