:root{--card: #ffffff;--panel: #f8fafc;--text: #0f172a;--muted: #6b7280;--border: #e5e7eb;--primary: #2563eb;--shadow: 0 2px 10px rgba(0,0,0,.04);--overlay: rgba(0,0,0,.45)}:root.dark,[data-theme=dark],.dark,.theme-dark{--card: #0b1220;--panel: #0f172a;--text: #e5e7eb;--muted: #9aa4b2;--border: #1f2937;--primary: #60a5fa;--shadow: 0 4px 24px rgba(0,0,0,.5);--overlay: rgba(0,0,0,.7)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]):not(.theme-light):not(.light){--card: #0b1220;--panel: #0f172a;--text: #e5e7eb;--muted: #9aa4b2;--border: #1f2937;--primary: #60a5fa;--shadow: 0 4px 24px rgba(0,0,0,.5);--overlay: rgba(0,0,0,.7)}}.course-layout{display:grid;grid-template-columns:1fr 320px;gap:16px;align-items:start}@media (max-width: 1024px){.course-layout{grid-template-columns:1fr}}.course-main{min-width:0}.course-aside{position:relative}.course-aside .actions{position:sticky;top:16px}.card{background:var(--card);color:var(--text);border:1px solid var(--border);border-radius:12px;padding:16px;box-shadow:var(--shadow)}.section-title{font-weight:600;margin-bottom:12px;color:var(--text)}.course-title{display:flex;gap:16px;justify-content:space-between;align-items:end;margin-bottom:12px}.course-title h1{margin:4px 0 0}.muted{color:var(--muted)}.muted.small{font-size:12px}.modal,.modal .modal-card,.modal .modal-body,.modal .modal-header,.modal .modal-footer{background:var(--card)!important;color:var(--text)!important;border-color:var(--border)!important}.ui.modal{background:var(--card)!important;color:var(--text)!important;border:1px solid var(--border)!important;border-radius:12px!important;box-shadow:var(--shadow)!important}.ui.modal>.header{background:var(--card)!important;color:var(--text)!important;border-bottom:1px solid var(--border)!important}.ui.modal>.content{background:var(--card)!important;color:var(--text)!important}.ui.modal>.actions{background:var(--panel)!important;border-top:1px solid var(--border)!important}.modal-backdrop,.ui.dimmer.modals.visible.active,.ui.page.dimmer.visible.active,.ui.dimmer.visible.active{background:var(--overlay)!important}.card input,.card textarea,.card select,.card .ui.input>input,.card .ui.dropdown,.card .ui.form textarea,.modal input,.modal textarea,.modal select,.modal .ui.input>input,.modal .ui.dropdown,.modal .ui.form textarea,.ui.modal input,.ui.modal textarea,.ui.modal select,.ui.modal .ui.input>input,.ui.modal .ui.dropdown,.ui.modal .ui.form textarea{background:var(--panel)!important;color:var(--text)!important;border:1px solid var(--border)!important}.card input[type=file],.modal input[type=file],.ui.modal input[type=file]{background:var(--panel)!important;color:var(--text)!important;border:1px solid var(--border)!important}.card ::placeholder,.modal ::placeholder,.ui.modal ::placeholder{color:color-mix(in srgb,var(--muted) 80%,transparent)}.member-toolbar{display:flex;gap:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;margin-bottom:12px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer}.chip.active{border-color:var(--primary);box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 25%,transparent)}.chip .chip-dot{width:8px;height:8px;border-radius:50%;background:var(--primary)}.chip .chip-count{opacity:.7}.member-list{display:grid;gap:8px}.member-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;background:var(--panel);color:var(--text)}.member-row .member-name{font-weight:500}.tag{font-size:12px;padding:4px 8px;border-radius:999px;border:1px solid var(--border);background:var(--card);color:var(--text)}.tag.t{background:color-mix(in srgb,var(--panel) 88%,#10b981 12%);border-color:color-mix(in srgb,var(--border) 70%,#10b981 30%)}.tag.s{background:color-mix(in srgb,var(--panel) 88%,#6366f1 12%);border-color:color-mix(in srgb,var(--border) 70%,#6366f1 30%)}.tag.o{background:color-mix(in srgb,var(--panel) 88%,#f59e0b 12%);border-color:color-mix(in srgb,var(--border) 70%,#f59e0b 30%)}.tag.m{background:color-mix(in srgb,var(--panel) 88%,#ef4444 12%);border-color:color-mix(in srgb,var(--border) 70%,#ef4444 30%)}.tag.l{background:color-mix(in srgb,var(--panel) 92%,#9ca3af 8%);border-color:color-mix(in srgb,var(--border) 80%,#9ca3af 20%)}.activity-grid{display:grid;grid-template-columns:1fr;gap:12px}.activity-card{display:flex;flex-direction:column;gap:8px;padding:12px;border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:10px;background:var(--card);color:var(--text);box-shadow:var(--shadow);transition:box-shadow .15s ease}.activity-card:hover{box-shadow:var(--shadow)}.activity-card .activity-head{display:flex;align-items:center;gap:8px}.activity-card .pill{font-size:12px;font-weight:600;padding:2px 8px;border-radius:6px;background:color-mix(in srgb,var(--panel) 90%,var(--text) 10%);color:var(--text);border:1px solid var(--border)}.activity-card.fin .pill{background:color-mix(in srgb,var(--panel) 85%,#f59e0b 15%);border-color:color-mix(in srgb,var(--border) 70%,#f59e0b 30%)}.activity-card.tsk .pill{background:color-mix(in srgb,var(--panel) 85%,#1d4ed8 15%);border-color:color-mix(in srgb,var(--border) 70%,#1d4ed8 30%)}.activity-card.txt .pill{background:color-mix(in srgb,var(--panel) 85%,#6d28d9 15%);border-color:color-mix(in srgb,var(--border) 70%,#6d28d9 30%)}.activity-card .activity-body{display:grid;gap:8px}.activity-card .activity-title{font-weight:600}.activity-card .activity-meta{display:flex;gap:10px;align-items:center}.activity-card .activity-meta .spacer{flex:1 1 auto}.activity-card .clickable{cursor:pointer}.row-gap{display:flex;align-items:center;gap:8px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}.group+.group{margin-top:12px}.group .label{font-size:12px;color:var(--muted);margin-bottom:6px}.icon-btn{border:1px solid var(--border);border-radius:8px;background:var(--panel);color:var(--text);padding:6px 8px}.icon-btn:hover{background:color-mix(in srgb,var(--panel) 92%,black 8%)}.insert-bar{background:var(--panel);color:var(--text);border:1px dashed var(--border);border-radius:12px;padding:6px 10px}.files-list{display:grid;gap:6px}.file-row{display:flex;align-items:center;gap:8px;padding:6px 8px;background:var(--panel);color:var(--text);border:1px dashed var(--border);border-radius:10px}.mb-6{margin-bottom:6px}.mb-8{margin-bottom:8px}:root{--bg:#f6f8fb;--panel:#ffffff;--card:#ffffff;--text:#0f172a;--muted:#64748b;--border:#e5e7eb;--primary:#4f46e5;--primary-600:#4338ca;--radius:14px;--shadow:0 8px 28px rgba(2,8,23,.06);color-scheme:light}html.theme-dark,body.theme-dark,[data-theme=dark],body[data-theme=dark]{--bg:#111827;--panel:#0f172a;--card:#1c2433;--text:#e5e7eb;--muted:#a8b2c4;--border:#2b3a50;--primary:#7c83ff;--primary-600:#6b72ff;--shadow:0 10px 30px rgba(0,0,0,.32);color-scheme:dark}html,body,#root{height:100%}*{box-sizing:border-box}body{margin:0;background:var(--bg)!important;color:var(--text)!important;font-family:Inter,system-ui,Roboto,Arial,sans-serif}html.theme-dark body,body.theme-dark{background:var(--bg)!important;color:var(--text)!important}.app-shell{display:flex;min-height:100vh}.app-sidebar{position:fixed;inset:0 auto 0 0;width:280px;padding:16px;background:var(--panel);border-right:1px solid var(--border);z-index:10}.app-content{flex:1;padding:24px;margin-left:280px}.brand{font-size:20px;font-weight:800;margin:6px 0 14px;letter-spacing:.3px}.app-nav{display:grid;gap:10px;margin:8px 0 12px}.app-nav .item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;background:var(--card);color:var(--text)!important;border:1.5px solid var(--border);box-shadow:var(--shadow);transition:.15s ease;text-decoration:none}.app-nav .item:hover{transform:translateY(-1px);border-color:var(--primary)}.app-nav .item .icon{opacity:.9}.app-profile{margin-top:auto;padding-top:12px;border-top:1px solid var(--border)}.app-nav{gap:12px}.app-nav .item{padding:14px 16px;border-radius:14px;font-size:17px;font-weight:600;letter-spacing:.2px}.app-nav .item .icon{font-size:18px;margin-top:1px;opacity:.95}.app-nav .item:hover{transform:translateY(-1px);border-color:var(--primary);box-shadow:0 8px 24px #02081714}.app-nav .item.active{background:var(--primary);color:#fff!important;border-color:var(--primary);box-shadow:0 10px 26px #4f46e559}.app-nav .item.active .icon{color:#fff;opacity:1}.app-nav .item:focus-visible{outline:3px solid rgba(79,70,229,.35);outline-offset:2px}.app-profile .item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;background:var(--card);border:1.5px solid var(--border);text-decoration:none;transition:.15s ease}.app-profile .item:hover{transform:translateY(-1px);border-color:var(--primary)}.brand-link{display:inline-block;padding:6px 8px;border-radius:10px;color:var(--text);text-decoration:none;transition:.15s ease}.brand-link:hover{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow)}.ui.segment,.ui.message,.ui.modal,.ui.table,.ui.card,.ui.menu,.ui.list,.ui.form,.ui.input>input,.ui.dropdown{background:var(--card)!important;color:var(--text)!important;border:1px solid var(--border)!important;border-radius:var(--radius)!important;box-shadow:var(--shadow)!important}.ui.table thead th{background:var(--panel)!important;color:var(--muted)!important;position:sticky;top:0;z-index:1;font-weight:600}.ui.table tr td,.ui.table tr th{border-top:1px solid var(--border)!important;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:420px}.ui.table.compact td{padding:8px 10px!important}.ui.table.compact th{padding:10px!important}.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ui.button{border-radius:10px!important;border:1.5px solid var(--border)!important;background:var(--panel)!important;color:var(--text)!important;transition:.15s}.ui.button:hover{transform:translateY(-1px);box-shadow:0 6px 16px #00000026!important}.ui.primary.button{background:var(--primary)!important;border-color:transparent!important;color:#fff!important}.ui.primary.button:hover{background:var(--primary-600)!important}.ui.red.button{background:#ef4444!important;border:none!important;color:#fff!important}.ui.green.button{background:#22c55e!important;border:none!important;color:#06290f!important}.ui.yellow.button{background:#f59e0b!important;border:none!important;color:#241a05!important}.ui.input>input,.ui.form input,.ui.form textarea,select,.ui.dropdown,select.ui.dropdown{background:var(--panel)!important;color:var(--text)!important;border:1px solid var(--border)!important;border-radius:10px!important}.ui.input>input::placeholder,.ui.form input::placeholder,.ui.form textarea::placeholder{color:var(--muted)!important}.ui.menu{background:var(--panel)!important;color:var(--text)!important;border:1px solid var(--border)!important}.ui.menu .item{color:var(--text)!important}.ui.menu .item.active{background:var(--card)!important;color:var(--text)!important}.ui.selection.dropdown,.ui.dropdown,.ui.dropdown .menu{background:var(--panel)!important;color:var(--text)!important;border:1px solid var(--border)!important}.ui.selection.dropdown .menu>.item,.ui.dropdown .menu>.item{color:var(--text)!important}.ui.info.message{background:color-mix(in srgb,var(--card) 85%,#60a5fa 15%)!important}.ui.yellow.message,.ui.warning.message{background:color-mix(in srgb,var(--card) 88%,#fbbf24 12%)!important}.ui.red.message,.ui.error.message{background:color-mix(in srgb,var(--card) 88%,#ef4444 12%)!important}.hero{border-radius:18px;overflow:hidden;position:relative;min-height:220px;box-shadow:var(--shadow)}.hero__media{position:absolute;top:0;right:0;bottom:0;left:0;background:center/cover no-repeat;filter:saturate(.95) brightness(.88);transform:scale(1.03)}.hero__overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#080c1480,#080c14bf)}.hero__content{position:relative;padding:22px;display:grid;grid-template-columns:220px 1fr;gap:20px}.hero__logo{width:220px;height:220px;border-radius:16px;border:1px solid var(--border);background:var(--panel) center/cover no-repeat}.hero__title{font-size:28px;font-weight:800;margin:0 0 8px}.hero__desc{color:var(--muted);max-height:92px;overflow:auto}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.activity-card{border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:12px;background:var(--card);padding:12px;box-shadow:var(--shadow)}.activity-card .title{font-weight:700;margin-bottom:6px}.badges{display:flex;gap:6px;flex-wrap:wrap}.badge{font-size:12px;padding:4px 8px;border-radius:999px;border:1px solid var(--border);color:var(--muted);background:var(--panel)}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{padding:6px 10px;border-radius:999px;border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;-webkit-user-select:none;user-select:none}.chip.active{border-color:var(--primary);box-shadow:0 0 0 2px #6366f126}.card{background:var(--card)!important;color:var(--text)!important;border:1px solid var(--border)!important;border-radius:var(--radius)!important;box-shadow:var(--shadow)!important}.ui.attached.segment{background:var(--panel)!important;color:var(--text)!important;border:1px solid var(--border)!important;border-top-left-radius:0!important;border-top-right-radius:0!important}.ui.top.attached.tabular.menu,.ui.tabular.menu{background:var(--panel)!important;border:1px solid var(--border)!important;border-bottom:none!important;border-top-left-radius:var(--radius)!important;border-top-right-radius:var(--radius)!important;box-shadow:var(--shadow)!important}.ui.tabular.menu .item{color:var(--text)!important;border-color:transparent!important}.ui.tabular.menu .item.active{background:var(--card)!important;color:var(--text)!important;border-left:1px solid var(--border)!important;border-right:1px solid var(--border)!important;border-top:2px solid var(--primary)!important}.sticky,th[style*="position: sticky"],td[style*="position: sticky"]{background:var(--panel)!important}.ui.very.compact.table,.ui.compact.table{background:var(--panel)!important;color:var(--text)!important}.ui.table tbody tr:nth-child(2n){background:color-mix(in srgb,var(--panel) 92%,black 8%)!important}.theme-dark .final-col,[data-theme=dark] .final-col{background:#ffd28214!important}.final-col{background:#ffd2821f!important;border-left:1px solid var(--border)!important;border-right:1px solid var(--border)!important;font-weight:600}.table-scroll{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}tr.active,tr.selected{background:color-mix(in srgb,var(--panel) 80%,var(--primary) 20%)!important}.muted{color:var(--muted)!important}.small{font-size:12px}.ui.header,.ui.items .item .content,.ui.items .item .meta,.ui.items .item .description{color:var(--text)!important}.ui.label,.ui.basic.label,.ui.grey.label{background:var(--panel)!important;color:var(--text)!important;border:1px solid var(--border)!important}.ui.label .detail{color:var(--muted)!important}.card a,.ui.segment a,.ui.label>a{color:var(--primary)!important}.insert-bar,.files-list .file-row{background:var(--panel)!important;color:var(--text)!important;border:1px dashed var(--border)!important}.ui.basic.table,.ui.very.basic.table{background:var(--panel)!important;color:var(--text)!important}.ui.basic.table td,.ui.basic.table th,.ui.very.basic.table td,.ui.very.basic.table th{border-top:1px solid var(--border)!important}.subject-card,.subject-tile,.marks-card,.marks-subject,.journal-subject,.journal-day,.journal-week{background:var(--card)!important;color:var(--text)!important;border:1px solid var(--border)!important;border-radius:var(--radius)!important;box-shadow:var(--shadow)!important}