:root{--primary:#1769e0;--primary-dark:#0d52b9;--primary-soft:#edf5ff;--bg:#f5f7fa;--surface:#fff;--text:#172033;--muted:#657187;--border:#e4e9f0;--green:#17875d;--green-bg:#eaf8f2;--amber:#a66508;--amber-bg:#fff6e6;--red:#c43b3b;--red-bg:#fff0f0;--sidebar:#12213a;--shadow:0 12px 32px rgba(28,48,78,.08)}
*{box-sizing:border-box}
html{font-size:14px}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.svg-sprite{display:none}.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:232px;background:var(--sidebar);color:#d5deec;display:flex;flex-direction:column;z-index:20}
.brand{height:74px;display:flex;align-items:center;gap:11px;padding:0 22px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-mark{width:34px;height:34px;border-radius:8px;background:#fff;color:var(--primary);display:grid;place-items:center;font-size:21px;font-weight:800}
.brand strong,.brand span{display:block}.brand strong{color:#fff;font-size:15px;letter-spacing:.02em}.brand span{font-size:11px;color:#91a2ba;margin-top:3px}
.nav-list{padding:18px 12px;display:flex;flex-direction:column;gap:4px}.nav-item{position:relative;width:100%;height:44px;border:0;border-radius:7px;background:transparent;color:#b5c2d4;display:flex;align-items:center;gap:12px;padding:0 12px;text-align:left;transition:.2s}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}.nav-item.active{background:#216bce;color:#fff}.nav-icon{display:grid;place-items:center}.nav-icon svg{width:19px;height:19px}.nav-count{margin-left:auto;font-size:12px}.nav-dot{margin-left:auto;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:#e24c4c;color:#fff;font-size:11px;display:grid;place-items:center}.nav-separator{height:1px;background:rgba(255,255,255,.08);margin:10px 4px}
.sidebar-footer{margin-top:auto;padding:14px 12px}.security-note{display:flex;gap:9px;padding:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.07);border-radius:8px}.security-note svg{width:17px;color:#75aef6}.security-note strong,.security-note span{display:block}.security-note strong{font-size:11px;color:#dce7f7}.security-note span{font-size:10px;color:#8597b1;margin-top:3px}.user-card{display:flex;align-items:center;gap:9px;margin-top:14px;padding:8px}.user-card strong,.user-card span{display:block}.user-card strong{font-size:12px;color:#fff}.user-card span{font-size:10px;color:#8597b1;margin-top:2px}.user-card button{margin-left:auto;border:0;background:none;color:#8192aa}.user-card svg{width:17px}
.main{margin-left:232px;min-height:100vh}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 30px;position:sticky;top:0;z-index:10}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12px}.breadcrumb span,.breadcrumb i{color:#8a94a5;font-style:normal}.breadcrumb strong{font-weight:600}.top-actions{margin-left:auto;display:flex;align-items:center;gap:10px}.global-search,.search-input{height:36px;display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:7px;background:#fafbfc;padding:0 10px}.global-search svg,.search-input svg{width:16px;color:#7b8799}.global-search input,.search-input input{border:0;outline:0;background:transparent;width:220px;font-size:12px}.global-search kbd{font-size:10px;color:#8994a5;border:1px solid #dce2ea;background:#fff;border-radius:4px;padding:2px 5px}.icon-button{position:relative;border:0;background:transparent;width:36px;height:36px;border-radius:7px;display:grid;place-items:center;color:#5c687a}.icon-button:hover{background:#f1f4f8}.notification{position:absolute;width:7px;height:7px;border-radius:50%;background:#e14c4c;right:7px;top:6px;border:1px solid white}.avatar{border:0;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#dceaff;color:#145abd;font-weight:700}.avatar.small{width:32px;height:32px;font-size:12px}.mobile-menu{display:none;border:0;background:none}
.content{padding:30px;max-width:1480px;margin:auto}.page-hidden{display:none!important}.welcome-row,.page-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.welcome-row h1,.page-heading h1{font-size:23px;margin:0 0 7px;letter-spacing:-.02em}.welcome-row p,.page-heading p{margin:0;color:var(--muted);font-size:13px}.button{height:38px;border-radius:7px;padding:0 15px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:7px;font-weight:600;font-size:12px;transition:.2s}.button svg{width:16px}.button.primary{background:var(--primary);color:#fff}.button.primary:hover{background:var(--primary-dark)}.button.secondary{border-color:#dce3ec;background:#fff;color:#344157}.button.secondary:hover,.button.ghost:hover{background:#f6f8fb}.button.ghost{border-color:transparent;background:#fff;color:#4e5c70}.button.full{width:100%}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}.stat-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:18px 19px}.stat-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.stat-icon{width:36px;height:36px;border-radius:8px;display:grid;place-items:center}.stat-icon svg{width:18px}.stat-icon.blue{background:var(--primary-soft);color:var(--primary)}.stat-icon.green{background:var(--green-bg);color:var(--green)}.stat-icon.amber{background:var(--amber-bg);color:var(--amber)}.stat-icon.red{background:var(--red-bg);color:var(--red)}.stat-card>strong{font-size:25px;line-height:1;margin-right:8px}.stat-card>span{font-size:12px;color:var(--muted)}.trend,.muted-note{font-size:10px}.trend.up{color:var(--green)}.trend.warn{color:var(--amber)}.muted-note{color:#909aac}
.dashboard-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:18px;margin-bottom:18px}.panel{background:#fff;border:1px solid var(--border);border-radius:10px}.panel-head{height:72px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.panel-head h2{font-size:15px;margin:0 0 5px}.panel-head p{font-size:11px;color:var(--muted);margin:0}.text-button{border:0;background:none;color:var(--primary);display:flex;align-items:center;gap:2px;font-size:11px}.text-button svg{width:15px}
.todo-list{padding:4px 0}.todo-item{width:100%;border:0;background:#fff;display:flex;align-items:center;gap:12px;text-align:left;padding:12px 20px;transition:.18s}.todo-item:hover{background:#f8fafc}.todo-icon{width:34px;height:34px;border-radius:7px;display:grid;place-items:center;flex:0 0 auto}.todo-icon svg{width:16px}.todo-icon.amber{background:var(--amber-bg);color:var(--amber)}.todo-icon.blue{background:var(--primary-soft);color:var(--primary)}.todo-icon.red{background:var(--red-bg);color:var(--red)}.todo-icon.green{background:var(--green-bg);color:var(--green)}.todo-main{flex:1}.todo-main strong,.todo-main small{display:block}.todo-main strong{font-size:12px;margin-bottom:5px}.todo-main small{font-size:10px;color:var(--muted)}.todo-time{font-size:10px;color:#8c97a8}.chevron{width:15px;color:#9aa4b3}
.completion-panel{padding-bottom:16px}.donut-wrap{display:grid;place-items:center;padding:20px 0 12px}.donut{width:126px;height:126px;border-radius:50%;background:conic-gradient(var(--primary) 0 78%,#e9edf3 78%);display:grid;place-items:center;position:relative}.donut:after{content:"";position:absolute;inset:12px;border-radius:50%;background:#fff}.donut div{position:relative;z-index:1;text-align:center}.donut strong,.donut span{display:block}.donut strong{font-size:23px}.donut span{font-size:9px;color:var(--muted);margin-top:4px}.completion-list{padding:0 22px 15px}.completion-list div{display:flex;justify-content:space-between;padding:6px 0;font-size:11px}.completion-list span{color:var(--muted)}.legend{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:7px}.legend.complete{background:var(--primary)}.legend.partial{background:#83afe9}.legend.empty{background:#dce3ec}.completion-panel>.button{width:calc(100% - 40px);margin:0 20px}
.teacher-section{overflow:hidden}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th{text-align:left;background:#fafbfc;color:#728096;font-size:10px;font-weight:600;padding:10px 20px;border-bottom:1px solid var(--border)}td{font-size:11px;padding:12px 20px;border-bottom:1px solid #edf0f4}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:#fbfcfe}.teacher-cell{display:flex;align-items:center;gap:9px}.teacher-avatar{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:#e8f1ff;color:var(--primary);font-weight:700}.teacher-cell strong,.teacher-cell span{display:block}.teacher-cell strong{font-size:12px}.teacher-cell span{font-size:10px;color:var(--muted);margin-top:3px}.tag{display:inline-block;background:#f0f4f8;color:#536176;border-radius:4px;padding:4px 7px;margin-right:4px;font-size:10px}.status{display:inline-flex;align-items:center;gap:5px;border-radius:10px;padding:3px 8px;font-size:10px}.status:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}.status.success{background:var(--green-bg);color:var(--green)}.status.warning{background:var(--amber-bg);color:var(--amber)}.status.neutral{background:#f0f3f7;color:#66758a}.link-status{color:var(--green)}.row-action{border:0;background:none;color:var(--primary);font-size:11px}
.heading-actions{display:flex;gap:9px}.filter-bar{display:flex;align-items:center;gap:9px;padding:16px 18px;border-bottom:1px solid var(--border)}.filter-bar select{height:36px;border:1px solid var(--border);border-radius:7px;background:#fff;padding:0 30px 0 10px;color:#425067;font-size:11px}.filter-count{margin-left:auto;color:var(--muted);font-size:11px}.filter-count strong{color:var(--text)}.manager-table th,.manager-table td{padding:13px 16px}.progress-cell{display:flex;align-items:center;gap:8px}.progress{width:64px;height:5px;background:#e9edf3;border-radius:3px;overflow:hidden}.progress i{display:block;height:100%;background:var(--primary);border-radius:3px}.pagination{height:58px;padding:0 18px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border);color:var(--muted);font-size:11px}.pagination div{display:flex;gap:5px}.pagination button{width:30px;height:30px;border:1px solid var(--border);background:#fff;border-radius:5px;display:grid;place-items:center}.pagination button svg{width:14px}.pagination button.current{background:var(--primary);color:#fff;border-color:var(--primary)}.pagination button:disabled{opacity:.45}
.review-layout{display:grid;grid-template-columns:350px 1fr;gap:18px;min-height:620px}.queue-tabs{height:56px;display:flex;border-bottom:1px solid var(--border);padding:0 16px;gap:24px}.queue-tabs button{border:0;border-bottom:2px solid transparent;background:none;color:var(--muted);font-weight:600}.queue-tabs button.active{color:var(--primary);border-color:var(--primary)}.queue-tabs span{background:var(--red-bg);color:var(--red);padding:1px 5px;border-radius:8px;margin-left:3px}.queue-item{width:100%;padding:16px;border:0;border-bottom:1px solid var(--border);background:#fff;text-align:left;display:flex;gap:10px}.queue-item:hover,.queue-item.active{background:#f5f9ff}.queue-item.active{box-shadow:inset 3px 0 var(--primary)}.queue-item>div{flex:1}.queue-item strong,.queue-item span,.queue-item small{display:block}.queue-item strong{font-size:12px}.queue-item span{font-size:10px;color:#57657a;margin:5px 0}.queue-item small{color:#97a0af;font-size:9px}.review-detail{padding:24px}.empty-state{height:100%;min-height:480px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#8a95a7}.empty-state svg{width:46px;height:46px;padding:11px;border-radius:50%;background:#eff4fa;color:#718096}.empty-state h3{color:#435067;font-size:14px;margin:15px 0 6px}.empty-state p{margin:0;font-size:11px}.review-profile{display:flex;align-items:center;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--border)}.review-profile .teacher-avatar{width:42px;height:42px}.review-profile div:nth-child(2){flex:1}.review-profile h2{margin:0 0 5px;font-size:17px}.review-profile p{margin:0;color:var(--muted);font-size:11px}.change-card{margin-top:18px;border:1px solid var(--border);border-radius:8px;overflow:hidden}.change-card h3{margin:0;padding:12px 15px;background:#f8fafc;border-bottom:1px solid var(--border);font-size:12px}.change-row{display:grid;grid-template-columns:110px 1fr 1fr;gap:14px;padding:14px 15px;font-size:11px}.change-row span{color:var(--muted)}.change-row div{padding:10px;border-radius:6px;background:#f7f9fb}.change-row div.new{background:#edf8f3;color:#126a49}.review-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.placeholder-page{min-height:calc(100vh - 64px);display:flex;flex-direction:column;align-items:center;justify-content:center}.placeholder-icon{width:60px;height:60px;border-radius:15px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary)}.placeholder-icon svg{width:27px}.placeholder-page h1{font-size:20px;margin:16px 0 7px}.placeholder-page p{color:var(--muted);margin:0 0 18px}
.drawer-backdrop,.modal-backdrop{position:fixed;inset:0;background:rgba(16,28,48,.35);opacity:0;pointer-events:none;transition:.22s;z-index:40}.drawer-backdrop.show,.modal-backdrop.show{opacity:1;pointer-events:auto}.teacher-drawer{position:fixed;right:0;top:0;bottom:0;width:min(620px,100%);background:#fff;z-index:41;transform:translateX(100%);transition:.25s;display:flex;flex-direction:column;box-shadow:-15px 0 40px rgba(20,35,60,.13)}.teacher-drawer.open{transform:translateX(0)}.drawer-head{height:74px;padding:0 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.eyebrow{color:var(--primary);font-size:10px;font-weight:600}.drawer-head h2{margin:4px 0 0;font-size:18px}.profile-summary{margin:20px 24px;padding:16px;background:#f7f9fc;border:1px solid var(--border);border-radius:9px;display:flex;align-items:center;gap:13px}.profile-photo{width:54px;height:60px;border-radius:8px;background:#dbeaff;display:grid;place-items:center;color:var(--primary);font-size:20px;font-weight:700}.profile-summary>div:nth-child(2){flex:1}.profile-summary h3{margin:0 0 4px}.profile-summary p{margin:0 0 7px;color:var(--muted);font-size:10px}.tags span{font-size:9px;padding:3px 6px;background:#e7eef8;color:#53647c;border-radius:3px;margin-right:4px}.drawer-tabs{padding:0 24px;display:flex;border-bottom:1px solid var(--border);gap:28px}.drawer-tabs button{height:42px;border:0;border-bottom:2px solid transparent;background:none;color:var(--muted);font-size:11px}.drawer-tabs button.active{color:var(--primary);border-color:var(--primary);font-weight:600}.drawer-body{padding:22px 24px;overflow:auto;flex:1}.info-block{margin-bottom:24px}.info-block h3{font-size:13px;margin:0 0 13px}.info-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--border);border-radius:8px;overflow:hidden}.info-item{padding:12px 14px;border-bottom:1px solid var(--border)}.info-item:nth-child(odd){border-right:1px solid var(--border)}.info-item:nth-last-child(-n+2){border-bottom:0}.info-item span,.info-item strong{display:block}.info-item span{font-size:9px;color:var(--muted);margin-bottom:5px}.info-item strong{font-size:11px;font-weight:500}.private-value{display:flex!important;align-items:center;gap:6px}.private-value svg{width:12px;color:#9b710e}.file-card{display:flex;align-items:center;gap:11px;border:1px solid var(--border);border-radius:7px;padding:12px;margin-bottom:8px}.file-icon{width:34px;height:38px;border-radius:5px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center}.file-icon svg{width:17px}.file-card>div:nth-child(2){flex:1}.file-card strong,.file-card span{display:block}.file-card strong{font-size:11px}.file-card span{font-size:9px;color:var(--muted);margin-top:4px}.file-card button{border:0;background:none;color:var(--primary);font-size:10px}.drawer-footer{padding:14px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:9px}
.modal{position:fixed;z-index:51;top:50%;left:50%;width:min(720px,calc(100% - 32px));max-height:90vh;background:#fff;border-radius:12px;box-shadow:0 24px 70px rgba(15,31,55,.2);transform:translate(-50%,-48%) scale(.98);opacity:0;pointer-events:none;transition:.2s;overflow:hidden}.modal.show{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}.modal form{display:flex;flex-direction:column;max-height:90vh}.modal-head{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between}.modal-head h2{font-size:18px;margin:0 0 5px}.modal-head p{font-size:11px;color:var(--muted);margin:0}.modal-body{padding:22px 24px;overflow:auto}.form-section{margin-bottom:22px}.form-section h3{font-size:12px;margin:0 0 12px;padding-bottom:9px;border-bottom:1px solid var(--border)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-grid label{display:flex;flex-direction:column;gap:7px}.form-grid label>span{font-size:11px;font-weight:600}.form-grid b{color:var(--red)}.form-grid input,.form-grid select,.form-grid textarea{width:100%;border:1px solid #dce3eb;border-radius:6px;padding:0 11px;outline:0;background:#fff;color:var(--text)}.form-grid input,.form-grid select{height:39px}.form-grid textarea{padding-top:10px;resize:vertical}.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,105,224,.1)}.full-field{grid-column:1/-1}.form-grid small{font-size:9px;color:var(--muted)}.private-tag{display:inline-flex;align-items:center;gap:3px;font-style:normal;font-weight:400;color:#9a6d08;margin-left:6px}.private-tag svg{width:10px}.upload-area{width:100%;min-height:105px;border:1px dashed #b9c8dc;border-radius:8px;background:#f9fbfd;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}.upload-area:hover{border-color:var(--primary);background:#f5f9ff}.upload-area svg{color:var(--primary)}.upload-area strong{font-size:11px;color:#3f4e63}.upload-area span{font-size:9px}.modal-footer{padding:14px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:9px}
.public-modal{position:fixed;inset:0;z-index:60;background:#e9edf3;display:none;overflow:auto}.public-modal.show{display:block}.public-toolbar{height:54px;background:#16233a;color:#fff;padding:0 22px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:1}.public-toolbar>span{font-size:12px}.public-toolbar button{border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;border-radius:5px;height:30px;padding:0 10px;margin-left:6px;font-size:10px;display:inline-flex;align-items:center;gap:5px}.public-toolbar svg{width:14px}.public-page{width:min(900px,calc(100% - 30px));margin:25px auto;background:#fff;box-shadow:var(--shadow)}.public-header{height:66px;padding:0 36px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.public-brand{display:flex;align-items:center;gap:9px}.public-brand .brand-mark{background:var(--primary);color:#fff;width:30px;height:30px;font-size:17px}.public-header>span{font-size:10px;color:var(--muted);letter-spacing:.12em}.public-content{padding:50px 70px}.public-hero{display:flex;gap:34px;align-items:center;padding-bottom:46px;border-bottom:1px solid #dce3eb}.public-portrait{width:165px;height:200px;background:#e4ecf7;display:grid;place-items:center;font-size:48px;color:var(--primary);font-weight:700}.verified{display:inline-flex;align-items:center;gap:5px;background:var(--primary-soft);color:var(--primary);padding:5px 9px;font-size:10px}.verified svg{width:12px}.public-hero h1{font-size:34px;margin:15px 0 8px;letter-spacing:.05em}.public-hero p{font-size:15px;color:#536176;margin:0 0 20px}.public-tags span{border:1px solid #d9e0e9;padding:6px 10px;margin-right:7px;font-size:10px;color:#536176}.public-section{display:grid;grid-template-columns:50px 1fr;gap:20px;padding:38px 0;border-bottom:1px solid var(--border)}.section-no{font-size:11px;color:var(--primary);font-weight:700}.public-section h2{font-size:17px;margin:0 0 16px}.public-section p{margin:0;color:#506076;line-height:2;font-size:12px}.credential-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.credential-grid article{display:flex;align-items:center;gap:12px;background:#f7f9fc;border:1px solid var(--border);padding:15px}.credential-grid svg{color:var(--primary)}.credential-grid strong,.credential-grid span{display:block}.credential-grid strong{font-size:11px}.credential-grid span{font-size:9px;color:var(--muted);margin-top:5px}.course-list{margin:0;padding:0;list-style:none}.course-list li{padding:12px 0;border-top:1px solid var(--border);font-size:12px}.course-list span{color:var(--primary);font-size:9px;margin-right:15px}.public-footer{background:#16233a;color:#fff;padding:25px 36px;display:flex;align-items:center;justify-content:space-between}.public-footer strong,.public-footer span{display:block}.public-footer strong{font-size:14px}.public-footer span{font-size:10px;color:#a8b6ca;margin-top:5px}.public-footer button{height:38px;border:0;border-radius:5px;background:#fff;color:#173a6a;padding:0 17px;font-weight:600;font-size:11px}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:#16233a;color:#fff;border-radius:7px;padding:11px 16px;display:flex;gap:8px;align-items:center;z-index:70;opacity:0;pointer-events:none;transition:.25s;font-size:11px}.toast.show{opacity:1;transform:translate(-50%,0)}.toast svg{width:15px;color:#72d6ac}
@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}.completion-panel{display:grid;grid-template-columns:1fr 1fr}.completion-panel .panel-head{grid-column:1/-1}.completion-panel>.button{align-self:center}.review-layout{grid-template-columns:300px 1fr}.global-search{display:none}}
@media(max-width:760px){.sidebar{transform:translateX(-100%);transition:.25s}.sidebar.open{transform:translateX(0);box-shadow:20px 0 50px rgba(0,0,0,.2)}.main{margin-left:0}.mobile-menu{display:grid;place-items:center;margin-right:10px}.topbar{padding:0 16px}.content{padding:20px 15px}.stats-grid{grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:14px}.welcome-row,.page-heading{align-items:flex-start;gap:16px}.welcome-row h1,.page-heading h1{font-size:20px}.dashboard-grid{display:block}.completion-panel{display:none}.review-panel{margin-bottom:15px}.todo-time{display:none}.filter-bar{flex-wrap:wrap}.filter-count{width:100%;margin:4px 0 0}.review-layout{grid-template-columns:1fr}.review-detail{display:none}.form-grid{grid-template-columns:1fr}.full-field{grid-column:auto}.public-content{padding:28px 22px}.public-hero{align-items:flex-start;gap:18px}.public-portrait{width:105px;height:140px}.public-hero h1{font-size:25px}.credential-grid{grid-template-columns:1fr}.public-section{grid-template-columns:32px 1fr}.public-header{padding:0 20px}.public-footer{padding:20px;gap:12px}.global-search{display:none}}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr}.welcome-row{flex-direction:column}.top-actions .avatar{display:none}.todo-main small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:210px}.profile-summary{margin:15px}.drawer-tabs,.drawer-body{padding-left:15px;padding-right:15px}.drawer-tabs{gap:18px}.public-page{width:100%;margin:0}.public-hero{display:block}.public-portrait{width:100%;height:190px;margin-bottom:20px}.public-section{display:block}.section-no{display:block;margin-bottom:9px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.catalog-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px}.course-cards{padding:6px 18px 18px}.course-card{display:flex;align-items:center;gap:14px;padding:15px 2px;border-bottom:1px solid var(--border)}.course-card:last-child{border-bottom:0}.course-code{width:48px;height:48px;border-radius:8px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:10px;font-weight:700}.course-card>div:nth-child(2){flex:1}.course-card h3{font-size:12px;margin:0 0 6px}.course-card p,.course-card span{font-size:10px;color:var(--muted);margin:0}.course-card span{display:block;margin-top:5px}.tag-groups{padding:4px 20px 20px}.tag-groups section{padding:16px 0;border-bottom:1px solid var(--border)}.tag-groups h3{font-size:11px;margin:0 0 10px}.tag-cloud{display:flex;flex-wrap:wrap;gap:7px}.tag-cloud button{border:1px solid var(--border);background:#f8fafc;border-radius:5px;padding:6px 8px;color:#506077;font-size:10px}.tag-cloud button:hover{border-color:#9dbce7;color:var(--primary)}.tag-cloud span{color:#98a2b1;margin-left:4px}.compact-stats .stat-card{display:flex;align-items:baseline;gap:8px}.share-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:18px}.share-card{border:1px solid var(--border);border-radius:9px;overflow:hidden}.share-cover{height:120px;background:#eaf2fc;position:relative;display:grid;place-items:center}.share-cover .status{position:absolute;top:10px;right:10px;background:#fff}.share-avatar{width:62px;height:72px;background:#cfdef1;color:var(--primary);display:grid;place-items:center;font-size:22px;font-weight:700;border-radius:6px 6px 0 0;align-self:end}.share-info{padding:15px}.share-info h3{font-size:14px;margin:0 0 5px}.share-info p{height:30px;color:var(--muted);font-size:10px;margin:0}.share-data{display:flex;margin:13px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.share-data span{width:50%;padding:10px 0;color:var(--muted);font-size:9px}.share-data span+span{border-left:1px solid var(--border);padding-left:14px}.share-data strong{display:block;color:var(--text);font-size:14px;margin-top:3px}.share-actions{display:flex;gap:7px}.share-actions .button{flex:1}.share-check{font-size:9px;color:var(--amber);margin:13px 0 18px}.unpublished .share-cover{background:#f1f3f6}.permission-layout{display:grid;grid-template-columns:270px 1fr;gap:18px}.role-item{width:100%;border:0;border-bottom:1px solid var(--border);background:#fff;padding:14px 16px;display:flex;align-items:center;gap:10px;text-align:left}.role-item:hover,.role-item.active{background:#f5f9ff}.role-item.active{box-shadow:inset 3px 0 var(--primary)}.role-icon{width:32px;height:32px;border-radius:7px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center}.role-icon svg{width:16px}.role-item>span:nth-child(2){flex:1}.role-item strong,.role-item small{display:block}.role-item strong{font-size:11px}.role-item small{font-size:9px;color:var(--muted);margin-top:4px}.role-item>svg{width:14px;color:#9ba5b4}.permission-section{padding:22px;border-bottom:1px solid var(--border)}.permission-section h3{font-size:12px;margin:0 0 14px}.permission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.permission-grid label{display:flex;align-items:center;gap:8px;padding:12px;border:1px solid var(--border);border-radius:6px;font-size:10px}.sensitive-rows>div{display:flex;align-items:center;padding:13px 0;border-bottom:1px solid var(--border)}.sensitive-rows>div:last-child{border:0}.sensitive-rows>div>span{flex:1}.sensitive-rows strong,.sensitive-rows small{display:block}.sensitive-rows strong{font-size:11px}.sensitive-rows small{font-size:9px;color:var(--muted);margin-top:4px}.sensitive-rows select,.date-input{height:36px;border:1px solid var(--border);border-radius:6px;padding:0 9px;background:#fff;font-size:10px}.audit-type{font-size:10px;color:var(--primary);background:var(--primary-soft);padding:4px 7px;border-radius:4px}.audit-type.sensitive{color:var(--amber);background:var(--amber-bg)}.form-accordion{border:1px solid var(--border);border-radius:8px;margin-bottom:10px;overflow:hidden}.form-accordion summary{list-style:none;cursor:pointer;padding:14px 15px;font-size:11px;font-weight:600;display:flex;justify-content:space-between;background:#fafbfc}.form-accordion summary::-webkit-details-marker{display:none}.form-accordion[open] summary{border-bottom:1px solid var(--border)}.form-accordion summary>span{font-size:9px;color:var(--muted);font-weight:400}.accordion-content{padding:15px}.upload-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:13px}.mini-upload{min-height:68px;border:1px dashed #b9c8dc;border-radius:6px;background:#fafcff;color:#405067;font-size:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}.mini-upload:hover{border-color:var(--primary);color:var(--primary)}.mini-upload small{font-size:8px;color:var(--muted)}.switch-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.switch-row strong,.switch-row small{display:block}.switch-row strong{font-size:11px}.switch-row small{font-size:9px;color:var(--muted);margin-top:4px}.proxy-fields{display:none}.proxy-fields.show{display:grid}
@media(max-width:1000px){.catalog-grid,.permission-layout{grid-template-columns:1fr}.tag-panel,.role-list{order:2}.share-grid{grid-template-columns:1fr 1fr}.permission-grid{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.share-grid{grid-template-columns:1fr}.permission-grid,.upload-grid{grid-template-columns:1fr}.sensitive-rows>div{align-items:flex-start;flex-direction:column;gap:10px}.sensitive-rows select{width:100%}}
.share-actions.stacked .button{padding-left:8px;padding-right:8px}.share-actions.stacked svg{width:13px}.admin-share-modal{position:fixed;z-index:55;left:50%;top:50%;width:min(720px,calc(100% - 30px));max-height:90vh;background:#fff;border-radius:11px;box-shadow:0 24px 70px rgba(16,31,54,.23);transform:translate(-50%,-47%) scale(.98);opacity:0;pointer-events:none;transition:.2s;display:flex;flex-direction:column}.admin-share-modal.show{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}.admin-share-head{padding:19px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between}.admin-share-head>div>span{font-size:9px;color:var(--primary)}.admin-share-head h2{font-size:17px;margin:5px 0}.admin-share-head p{font-size:9px;color:var(--muted);margin:0}.share-type-tabs{padding:14px 22px 0;display:grid;grid-template-columns:1fr 1fr;gap:10px}.share-type-tabs>button{border:1px solid var(--border);border-radius:7px;background:#fff;padding:12px;display:flex;align-items:center;gap:10px;text-align:left}.share-type-tabs>button.active{border-color:#91b9ef;background:#f5f9ff}.share-type-tabs>button>span{width:25px;height:25px;border-radius:50%;background:#edf2f8;color:#708097;display:grid;place-items:center;font-size:8px}.share-type-tabs>button.active>span{background:var(--primary);color:#fff}.share-type-tabs strong,.share-type-tabs small{display:block}.share-type-tabs strong{font-size:10px}.share-type-tabs small{font-size:8px;color:var(--muted);margin-top:3px}.admin-share-body{padding:18px 22px;overflow:auto}.admin-risk{display:flex;gap:9px;padding:11px;background:var(--amber-bg);color:#725c2d;border-radius:6px}.admin-risk.safe{background:var(--green-bg);color:#22694e}.admin-risk svg{width:17px;flex:0 0 auto}.admin-risk strong,.admin-risk p{font-size:9px;margin:0}.admin-risk p{margin-top:4px;line-height:1.6}.share-link-box{height:42px;border:1px solid var(--border);border-radius:6px;margin-top:15px;background:#fafbfc;display:flex;align-items:center;padding-left:12px}.share-link-box span{flex:1;font-size:10px}.share-link-box button{height:100%;border:0;border-left:1px solid var(--border);background:#fff;color:var(--primary);padding:0 12px;font-size:9px;display:flex;align-items:center;gap:5px}.share-link-box svg{width:13px}.admin-share-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:13px}.option-tile{min-height:82px;border:1px solid var(--border);background:#fff;border-radius:7px;text-align:left;padding:12px}.option-tile:hover{border-color:#9abcec;background:#fafcff}.option-tile svg{width:17px;color:var(--primary)}.option-tile strong,.option-tile span{display:block}.option-tile strong{font-size:10px;margin:7px 0 3px}.option-tile span{font-size:8px;color:var(--muted)}.admin-share-body h3{font-size:10px;margin:17px 0 8px}.admin-data-list{border:1px solid var(--border);border-radius:6px;overflow:hidden}.admin-data-list label{min-height:54px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;padding:9px 12px}.admin-data-list label:last-child{border:0}.admin-data-list label>span{flex:1}.admin-data-list strong,.admin-data-list small{display:block}.admin-data-list strong{font-size:9px}.admin-data-list small{font-size:8px;color:var(--muted);margin-top:3px}.admin-data-list em{font-style:normal;color:var(--amber);font-size:8px}.admin-bank-options{padding:11px;background:#fffbf2;border:1px solid #ead8ae;border-radius:6px;margin-top:9px}.admin-bank-options label{display:flex;justify-content:space-between;align-items:center;font-size:9px}.admin-bank-options select{height:32px;border:1px solid #dfcda6;background:#fff;border-radius:5px;font-size:8px;padding:0 8px}.admin-bank-options p{font-size:8px;color:#7d642f;margin:7px 0 0}.admin-access-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.admin-access-grid label{display:flex;flex-direction:column;gap:5px}.admin-access-grid span{font-size:9px;font-weight:600}.admin-access-grid input,.admin-access-grid select{height:37px;border:1px solid var(--border);border-radius:6px;background:#fff;padding:0 9px;font-size:9px}.admin-share-footer{padding:13px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
.bulk-share-bar{min-height:58px;padding:10px 18px;border-bottom:1px solid var(--border);background:#f8fbff;display:flex;align-items:center;gap:14px}.bulk-share-bar label{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:600}.bulk-share-bar>span{color:var(--muted);font-size:11px}.bulk-share-bar>span strong{color:var(--primary)}.bulk-share-bar .button.ghost{margin-left:auto;background:transparent}.share-card{position:relative;transition:border-color .2s,box-shadow .2s}.share-card.selected{border-color:#78aaf0;box-shadow:0 0 0 2px rgba(23,105,224,.1)}.share-select{position:absolute;z-index:2;top:10px;left:10px;width:28px;height:28px;border:1px solid var(--border);border-radius:7px;background:#fff;display:grid;place-items:center;box-shadow:0 3px 10px rgba(20,43,76,.08);cursor:pointer}.share-select span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.share-select input{width:15px;height:15px;accent-color:var(--primary)}.batch-share-result{margin:14px 18px 0;padding:15px;border:1px solid #bcd8ca;border-radius:8px;background:var(--green-bg);display:grid;grid-template-columns:180px minmax(0,1fr) auto;gap:12px;align-items:center}.batch-share-result strong,.batch-share-result span{display:block}.batch-share-result strong{font-size:11px;color:var(--green)}.batch-share-result span{font-size:9px;color:#527565;margin-top:4px}.batch-share-result textarea{height:64px;resize:none;border:1px solid #b9d7c8;border-radius:6px;background:#fff;padding:8px;font-size:9px;line-height:1.6}
@media(max-width:600px){.admin-share-modal{left:0;right:0;top:auto;bottom:0;width:100%;max-height:92vh;border-radius:14px 14px 0 0;transform:translateY(100%)}.admin-share-modal.show{transform:translateY(0)}.share-type-tabs{padding-left:14px;padding-right:14px}.admin-share-body,.admin-share-head,.admin-share-footer{padding-left:15px;padding-right:15px}.admin-access-grid{grid-template-columns:1fr}.admin-share-footer .button{flex:1}}
.invite-modal{width:min(680px,calc(100% - 30px));max-height:90vh}.invite-flow{display:flex;align-items:center;padding:18px;background:#f6f9fd;border:1px solid var(--border);border-radius:9px;margin-bottom:20px}.invite-flow>div{display:flex;align-items:center;gap:9px;flex:1}.invite-flow b{width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:10px}.invite-flow strong,.invite-flow small{display:block}.invite-flow strong{font-size:10px}.invite-flow small{font-size:8px;color:var(--muted);margin-top:3px}.invite-flow>i{width:22px;height:1px;background:#cdd8e7;margin:0 8px}.invite-expiry{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;font-size:11px}.invite-expiry select{height:36px;border:1px solid var(--border);border-radius:6px;background:#fff;padding:0 30px 0 10px}.generated-invite{margin-top:16px;padding:15px;border-radius:8px;background:var(--green-bg);border:1px solid #bfe5d5}.generated-invite>span{font-size:10px;color:var(--green);font-weight:700}.generated-invite>div{display:flex;gap:8px;margin:9px 0}.generated-invite input{flex:1;min-width:0;border:1px solid #b8d8ca;border-radius:6px;padding:0 10px;font-size:10px}.generated-invite small{font-size:9px;color:#4c7866}.single-course-panel{max-width:850px}.single-course{padding:24px 8px}.single-course .course-code{width:62px;height:62px}.single-course h3{font-size:16px}.single-course>em{font-style:normal}.button:focus-visible,.nav-item:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
@media(max-width:650px){.invite-modal{left:0;right:0;top:auto;bottom:0;width:100%;max-height:92vh;border-radius:14px 14px 0 0;transform:translateY(100%)}.invite-modal.show{transform:translateY(0)}.invite-flow{display:block}.invite-flow>div{margin:8px 0}.invite-flow>i{display:none}.generated-invite>div{display:block}.generated-invite input,.generated-invite button{width:100%;height:38px}.generated-invite button{margin-top:8px}}
@media(max-width:650px){.bulk-share-bar{align-items:flex-start;flex-wrap:wrap}.bulk-share-bar .button{flex:1}.bulk-share-bar .button.ghost{margin-left:0}.batch-share-result{grid-template-columns:1fr}.batch-share-result .button{width:100%}}
.row-actions{display:flex;align-items:center;gap:10px}.row-action.danger{color:var(--red)}.row-action.danger:hover{color:#9f2020;text-decoration:underline}.row-action:disabled{opacity:.55;cursor:not-allowed}
.teacher-bulk-bar{min-height:52px;padding:9px 18px;border-bottom:1px solid var(--border);background:#f8fbff;display:flex;align-items:center;gap:14px}.teacher-bulk-bar label{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:600}.teacher-bulk-bar>span{font-size:10px;color:var(--muted)}.teacher-bulk-bar>span strong{color:var(--primary)}.teacher-bulk-bar .button{margin-left:auto}.button.danger{background:#fff;color:var(--red);border:1px solid #efc1c1}.button.danger:hover{background:#fff5f5}.sensitive-value{font-variant-numeric:tabular-nums;white-space:nowrap}.top-avatar-link{text-decoration:none}
.course-card-actions{display:flex;align-items:center;gap:8px}.course-card-actions .button{height:32px;padding:0 10px}.course-status{min-width:54px;justify-content:center}.course-modal-backdrop{position:fixed;inset:0;z-index:72;background:rgba(12,24,42,.42);opacity:0;pointer-events:none;transition:.2s}.course-modal-backdrop.show{opacity:1;pointer-events:auto}.course-modal{position:fixed;z-index:73;left:50%;top:50%;width:min(650px,calc(100% - 30px));max-height:92vh;background:#fff;border-radius:13px;box-shadow:0 24px 70px rgba(8,22,43,.22);transform:translate(-50%,-47%) scale(.98);opacity:0;pointer-events:none;transition:.2s;overflow:hidden}.course-modal.show{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}.course-modal form{display:flex;flex-direction:column;max-height:92vh}.course-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.course-form-grid label:not(.course-active){display:flex;flex-direction:column;gap:7px}.course-form-grid label>span{font-size:11px;font-weight:600}.course-form-grid b{color:var(--red)}.course-form-grid input,.course-form-grid textarea{width:100%;border:1px solid #dce3eb;border-radius:7px;padding:0 11px;outline:0}.course-form-grid input{height:40px}.course-form-grid textarea{padding-top:10px;resize:vertical}.course-form-grid input:focus,.course-form-grid textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,105,224,.1)}.course-active{display:flex;align-items:flex-start;gap:10px;padding:13px;border:1px solid var(--border);border-radius:8px;background:#f8fbff}.course-active input{width:16px;height:16px}.course-active strong,.course-active small{display:block}.course-active small{font-size:9px;color:var(--muted);margin-top:4px}.form-error{min-height:18px;padding-top:8px;color:var(--red);font-size:10px}
.delete-confirm-backdrop{position:fixed;inset:0;z-index:80;background:rgba(12,24,42,.46);opacity:0;pointer-events:none;transition:.2s}.delete-confirm-backdrop.show{opacity:1;pointer-events:auto}.delete-confirm-modal{position:fixed;z-index:81;left:50%;top:50%;width:min(430px,calc(100% - 30px));padding:28px;background:#fff;border-radius:14px;box-shadow:0 24px 70px rgba(8,22,43,.24);transform:translate(-50%,-46%) scale(.97);opacity:0;pointer-events:none;transition:.2s;text-align:center}.delete-confirm-modal.show{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}.delete-confirm-icon{width:50px;height:50px;margin:0 auto 15px;border-radius:50%;display:grid;place-items:center;background:var(--red-bg);color:var(--red)}.delete-confirm-icon svg{width:22px}.delete-confirm-modal h2{margin:0 0 9px;font-size:18px}.delete-confirm-modal>p{margin:0;color:#425067;font-size:12px;line-height:1.7;overflow-wrap:anywhere}.delete-confirm-warning{margin:17px 0;padding:11px;border-radius:7px;background:#fff6f6;color:#8f3636;font-size:10px;line-height:1.7;text-align:left}.delete-confirm-actions{display:flex;justify-content:flex-end;gap:9px}.button.danger.solid{background:var(--red);border-color:var(--red);color:#fff}.button.danger.solid:hover{background:#a92f2f}
.my-teacher-link{height:40px;margin-top:10px;padding:0 10px;border:1px solid rgba(34,211,238,.18);border-radius:7px;color:#dceafd;text-decoration:none;display:flex;align-items:center;gap:8px;font-size:11px}.my-teacher-link:hover{background:rgba(34,211,238,.09);color:#fff}.my-teacher-link svg{width:15px;color:var(--brand-cyan)}.my-teacher-link svg:last-child{margin-left:auto;width:13px}
.brand-mark{width:38px;height:38px;border-radius:0;background:transparent;display:grid;place-items:center;flex:0 0 auto}.brand-mark img{width:100%;height:100%;display:block;object-fit:contain}.public-brand .brand-mark{width:32px;height:32px;background:transparent}
@media(max-width:650px){.teacher-bulk-bar{flex-wrap:wrap}.teacher-bulk-bar .button{width:100%;margin-left:0}}
@media(max-width:650px){.course-form-grid{grid-template-columns:1fr}.course-modal{left:0;right:0;top:auto;bottom:0;width:100%;max-height:94vh;border-radius:15px 15px 0 0;transform:translateY(100%)}.course-modal.show{transform:translateY(0)}.course-card{align-items:flex-start;flex-wrap:wrap}.course-card-actions{width:100%;justify-content:flex-end}}
.ai-settings-section{border-top:1px solid var(--line);margin-top:22px;padding-top:22px}.settings-section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.settings-section-head h3{margin:0 0 5px}.settings-section-head p{margin:0;color:var(--muted);font-size:12px}.ai-settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}.ai-settings-grid label{display:flex;flex-direction:column;gap:6px}.ai-settings-grid label.full-field{grid-column:1/-1}.ai-settings-grid label>span{font-size:11px;font-weight:600}.ai-settings-grid input{min-height:38px;border:1px solid var(--line);border-radius:6px;padding:0 10px;background:#fff;color:var(--ink)}.settings-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:15px}.settings-actions small{color:var(--muted);font-size:11px}@media(max-width:600px){.ai-settings-grid{grid-template-columns:1fr}.ai-settings-grid label.full-field{grid-column:auto}.settings-actions{align-items:stretch;flex-direction:column}.settings-actions .button{width:100%}}
.password-dialog-mask{position:fixed;inset:0;z-index:200;background:rgba(7,22,42,.48);display:grid;place-items:center;padding:20px}.password-dialog{position:relative;width:min(420px,100%);background:#fff;border-radius:14px;padding:28px;box-shadow:0 24px 70px rgba(0,0,0,.25)}.password-dialog h2{margin:0 0 8px;font-size:20px}.password-dialog p{margin:0 0 20px;color:var(--muted);font-size:13px}.password-dialog label{display:block;margin:13px 0;font-size:12px;font-weight:600}.password-dialog input{display:block;width:100%;box-sizing:border-box;margin-top:6px;height:42px;border:1px solid var(--line);border-radius:7px;padding:0 11px}.password-dialog-close{position:absolute;right:14px;top:12px;border:0;background:none;font-size:24px;color:var(--muted);cursor:pointer}.password-dialog-error{min-height:18px;color:#d14343;font-size:12px}.password-dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:12px}