:root{--ink:#172033;--muted:#758096;--line:#e7e9ef;--paper:#f7f8fb;--white:#fff;--navy:#22243f;--violet:#6f62d9;--violet-soft:#eeecff;--blue:#4d8ee8;--mint:#2da785;--amber:#d89032;--radius:14px;--shadow:0 16px 45px rgba(40,45,72,.08);font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;background:var(--paper)}button,input{font:inherit}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}button{cursor:pointer}.demo-ribbon{position:fixed;z-index:20;right:18px;top:14px;background:#fff4cf;color:#815d10;border:1px solid #eedda4;padding:7px 12px;border-radius:999px;font-size:12px;font-weight:700;box-shadow:0 3px 15px #96762018}.shell{display:grid;grid-template-columns:246px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:var(--navy);color:#d6d8e5;padding:28px 18px 18px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;color:white;text-decoration:none;padding:0 10px 35px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px 3px 11px 3px;background:linear-gradient(145deg,#8d81ed,#544ab3);font-family:Georgia,serif;font-weight:700;font-size:20px}.brand b{display:block;letter-spacing:1.8px;font-size:13px}.brand small,.profile small{display:block;color:#969cb3;font-size:11px;margin-top:3px}.nav{width:100%;border:0;background:transparent;color:#aeb3c8;border-radius:10px;padding:11px 12px;text-align:left;margin:2px 0;display:flex;gap:12px;align-items:center}.nav:hover,.nav:focus-visible{background:#ffffff0c;color:white}.nav.active{background:#ffffff14;color:white;font-weight:650;box-shadow:inset 3px 0 #8c81e8}.nav-label{font-size:10px;letter-spacing:1.6px;text-transform:uppercase;color:#767d98;margin:25px 12px 7px}.storage{margin:auto 10px 18px;padding-top:18px;border-top:1px solid 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tr:hover{background:#fafaff}.file-name{border:0;background:none;display:flex;align-items:center;gap:11px;text-align:left;color:var(--ink)}.file-name b{display:block;font-size:12px}.file-name small{display:block;color:#9aa1af;font-size:10px;margin-top:3px}.file-icon{width:36px;height:36px;border-radius:9px;display:grid;place-items:center;background:#f6e6ef;color:#b44775;font-size:8px;font-weight:800}.file-icon.folder{background:#f0eefe;color:#7368ce;font-size:18px}.file-icon.blue{background:#e9f3ff;color:#4f91d9}.file-icon.doc{background:#eaf2ff;color:#4e7fce}.badge{border-radius:999px;padding:5px 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small{font-size:10px;color:#a2a8b6}.metric-icon{float:right;width:34px;height:34px;border-radius:10px;display:grid;place-items:center}.violet{background:#eeecff!important;color:#665ac4!important}.mint{background:#e6f6f1;color:#258970}.amber{background:#fff1dc;color:#bb7622}.panel{overflow:hidden}.panel-head{display:flex;justify-content:space-between;align-items:center;padding:21px 22px;border-bottom:1px solid var(--line)}.panel-head p{margin:0;color:#8b93a3;font-size:11px}.people-list>div,.grant-list>div{display:grid;grid-template-columns:auto 1.4fr .5fr 1fr auto;gap:12px;align-items:center;padding:14px 22px;border-bottom:1px solid #eff0f4;font-size:11px}.people-list b,.grant-list b{display:block}.people-list small,.grant-list small{color:#969dab}.purple{background:#796dcc}.blue-bg{background:#4d8ee8!important;color:white!important}.green-bg{background:#2da785!important;color:white!important}.role{background:#eeecff;color:#6157bb;border-radius:999px;padding:5px 9px;width:max-content}.student-role{background:#eaf3ff;color:#3f7fbf}.groups{color:#727a8c}.access-grid{display:grid;grid-template-columns:250px 1fr;min-height:420px}.tree{border-right:1px solid var(--line);padding:14px}.tree button{display:block;width:100%;text-align:left;border:0;background:none;padding:9px 10px;border-radius:8px;color:#596174;font-size:11px}.tree .indent{padding-left:25px}.tree .indent2{padding-left:43px}.tree .selected-folder{background:var(--violet-soft);color:#5d52bb;font-weight:700}.grant-list>div{grid-template-columns:auto 1fr 1fr auto}.group-mark{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-weight:800}.permissions{display:flex;gap:5px}.permissions i{font-style:normal;font-size:9px;padding:4px 7px;border-radius:999px;background:#eaf7f2;color:#27836b}.permissions i.off{background:#f1f2f5;color:#a1a6b1;text-decoration:line-through}.timeline{padding:8px 23px 20px}.timeline p{position:relative;padding:13px 0 13px 25px;margin:0;border-bottom:1px solid #f0f1f4;font-size:11px}.timeline i{position:absolute;left:2px;top:17px;width:8px;height:8px;border-radius:50%;background:var(--violet);box-shadow:0 0 0 5px var(--violet-soft)}.timeline small{display:block;color:#9aa1ae;margin-top:5px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:#22243f;color:white;padding:11px 17px;border-radius:10px;font-size:12px;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}button:focus-visible,input:focus-visible{outline:3px solid #6f62d955;outline-offset:2px}@media(max-width:820px){.shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:15;left:-260px;width:246px;transition:.2s}.menu-open .sidebar{left:0}.demo-ribbon{top:auto;bottom:12px}.mobile-menu{display:block;border:0;background:white;border-radius:8px;padding:8px;margin-right:12px}main{padding:0 18px 35px}header{height:90px;justify-content:flex-start}.header-actions{margin-left:auto}.secondary{display:none}.table-wrap{overflow-x:auto}table{min-width:720px}.summary-grid{grid-template-columns:1fr}.access-grid{grid-template-columns:1fr}.tree{border-right:0;border-bottom:1px solid var(--line)}.people-list>div{grid-template-columns:auto 1fr auto}.people-list .groups{display:none}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.brand-logo{width:34px;height:34px;flex:none;object-fit:contain;border-radius:8px;background:#fff}

.subject-list{padding:0 22px}.subject-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid #eff0f4}.subject-row:last-child{border-bottom:0}.subject-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--violet-soft);color:#6257bf;font-family:Georgia,"Songti SC",serif;font-weight:700}.subject-name{min-width:0}.subject-name b,.subject-name small{display:block}.subject-name b{font-size:13px;overflow-wrap:anywhere}.subject-name small{margin-top:4px;color:var(--muted);font-size:10px}.subject-status{padding:5px 9px;border-radius:999px;font-size:10px;font-weight:700;white-space:nowrap}.subject-status.is-active{background:#eaf7f2;color:#27836b}.subject-status.is-inactive{background:#f1f2f5;color:#7f8797}.subject-toggle{min-width:96px}.subject-empty{display:grid;gap:6px;padding:42px 12px;text-align:center;color:var(--muted)}.subject-empty b{color:var(--ink);font-family:Georgia,"Songti SC",serif;font-size:17px}.subject-empty span{font-size:11px}@media(max-width:820px){.subject-toggle{display:inline-block}}@media(max-width:620px){.subject-list{padding:0 16px}.subject-row{grid-template-columns:auto minmax(0,1fr) auto}.subject-status{display:none}.subject-toggle{grid-column:2/4;justify-self:start}.panel-head{align-items:flex-start;gap:15px}.panel-head>div{min-width:0}}
.teacher-subject-field{margin:0;padding:12px 0 0;border:0;border-top:1px solid var(--line)}.teacher-subject-field legend{padding:0;font-weight:700;font-size:12px}.teacher-subject-field>p{margin:5px 0 10px;color:var(--muted);font-size:10px}.teacher-subject-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.subject-check{display:flex!important;align-items:center;gap:8px;margin:0!important;padding:9px 10px;border:1px solid var(--line);border-radius:9px;background:#fafaff;cursor:pointer}.subject-check:has(input:checked){border-color:#8c81e8;background:var(--violet-soft);color:#554aaa}.subject-check input{width:16px;height:16px;accent-color:var(--violet)}.subject-option-empty{display:block;padding:10px;border-radius:9px;background:#f7f8fb;color:var(--muted);font-size:10px;line-height:1.5}@media(max-width:520px){.teacher-subject-options{grid-template-columns:1fr}}
.teacher-subject-field.is-disabled{opacity:.62}.teacher-subject-field.is-disabled .subject-check{cursor:not-allowed}#userDialog{max-height:calc(100dvh - 28px);overflow:auto}
.subject-teachers{line-height:1.5}.subject-teachers strong{display:inline!important;margin-right:5px;color:#596174;font-size:10px}
.teacher-edit-link{border:0;background:none;padding:0;color:var(--violet);font:inherit;font-weight:700;text-decoration:underline;text-underline-offset:2px}.teacher-edit-link:hover{color:#5146ad}.admin-row-actions{display:flex;align-items:center;justify-content:flex-end;gap:4px}.edit-role-note{padding:9px 11px;border-radius:9px;background:#f7f8fb;color:var(--muted);font-size:11px}.edit-role-note b{color:var(--ink)}#editUserDialog,#editSubjectDialog,#editGrantDialog{max-height:calc(100dvh - 28px);overflow:auto}@media(max-width:620px){.admin-row-actions{grid-column:2/4;justify-content:flex-start;flex-wrap:wrap}}
.folder-announcement{margin:0 0 18px;padding:18px 20px;border:1px solid #d9e3f0;border-left:4px solid #315a86;border-radius:12px;background:#f7faff;color:#18324d}.announcement-heading{display:flex;align-items:center;gap:12px}.announcement-heading>div{display:flex;flex:1;flex-direction:column;gap:2px}.announcement-heading small{color:#65768a}.announcement-icon{display:grid;width:28px;height:28px;place-items:center;border-radius:50%;background:#315a86;color:#fff;font-family:Georgia,serif;font-weight:700}.folder-announcement>p{margin:14px 0 0;white-space:pre-wrap;line-height:1.65}.folder-announcement textarea{width:100%;resize:vertical}.folder-announcement form{margin-top:16px}.announcement-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:12px}
.announcement-files{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px}.announcement-files:empty{display:none}.announcement-files>a{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid #cbd9e8;border-radius:9px;background:#fff;color:#244d77;text-decoration:none;font-weight:650}.announcement-files>a:hover{border-color:#315a86;background:#f0f6fc}.announcement-files .file-icon{width:25px;height:25px;font-size:8px}.open-announcement-folder{margin-left:auto}
.grant-user-filter{display:flex;align-items:center;gap:9px;margin-left:auto;margin-right:10px;color:#737d91;font-size:11px}.grant-user-filter select{min-width:190px;padding:9px 34px 9px 11px;border:1px solid #dfe2e9;border-radius:9px;background:#fff;color:#30384b;font:inherit}