:root{--navy:#102d40;--navy-2:#19445b;--orange:#ef8a26;--orange-soft:#fff1df;--bg:#f4f7fa;--text:#183449;--muted:#687d8e;--line:#e1e8ee;--green:#15735a;--red:#b63d3d;--radius:14px}*{box-sizing:border-box}html{font-size:16px}body{margin:0;color:var(--text);background:var(--bg);font-family:Inter,"Segoe UI",Arial,sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}a:hover{color:#c4670e}button,input,select,textarea{font:inherit}button,a,input,textarea,select,summary{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button,summary{cursor:pointer}button{border:0}svg{display:block}.icon{width:21px;height:21px;flex-shrink:0}.sidebar{position:fixed;inset:0 auto 0 0;width:258px;background:var(--navy);color:#ccdae4;display:flex;flex-direction:column;padding:28px 17px 14px;z-index:30}.brand{display:flex;gap:12px;align-items:center;color:#fff;font-weight:750;font-size:27px;line-height:1.1;padding:0 12px 25px}.brand:hover{color:white}.brand small{display:block;font-size:12px;font-weight:500;letter-spacing:1.6px;margin-top:8px}.brand-mark{background:var(--orange);color:#fff;display:grid;place-items:center;width:40px;height:44px;border-radius:12px 12px 12px 3px;font-size:29px;font-weight:800}.school-mini{display:flex;gap:11px;align-items:center;margin:0 5px 20px;padding:14px 8px;border-block:1px solid #ffffff1a;font-size:14px;color:#fff}.school-mini small{display:block;color:#94b0c2;font-size:12px}.school-letter{background:#244557;border:1px solid #4a6473;border-radius:8px;width:34px;height:36px;display:grid;place-items:center;flex-shrink:0}.sidebar nav{overflow-y:auto;scrollbar-width:thin;flex:1}.nav-group{font-size:12px;text-transform:uppercase;letter-spacing:1.4px;color:#88a5b9;margin:19px 13px 7px}.nav-link{display:flex;align-items:center;gap:12px;padding:10px 13px;margin:3px 0;border-radius:8px;font-size:14px;position:relative}.nav-link.active{background:#264658;color:#fff}.nav-link.active:before{content:'';position:absolute;left:0;height:20px;width:3px;background:var(--orange);border-radius:4px}.nav-link.active .icon{color:#ffb45c}.nav-link:hover{background:#214357;color:white}.sidebar-bottom{margin-top:18px;border-top:1px solid #ffffff1a;padding:16px 3px 0;display:flex;gap:10px;align-items:center;font-size:13px}.sidebar-bottom a{flex:1;color:white;overflow-wrap:anywhere}.sidebar-bottom small{display:block;font-size:12px;color:#9fb3c3}.sidebar-bottom .icon-button{color:#afc2d0}.avatar{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:#d8e9ed;color:#234d60;font-weight:700;flex-shrink:0}.avatar.small{width:34px;height:34px;background:var(--orange-soft);color:#ac590c}.app-shell{margin-left:258px}.topbar{height:78px;padding:0 38px;border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:space-between;gap:20px}.breadcrumb{font-size:14px;color:var(--muted)}.breadcrumb span{margin:0 12px;color:#a7b6c0}.breadcrumb strong{color:var(--text);font-weight:500}.date-label{font-size:13px;color:var(--muted)}main{max-width:1580px;margin:auto;padding:34px 38px 20px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:27px}.eyebrow{font-size:12px;font-weight:650;color:var(--muted);letter-spacing:1px;text-transform:uppercase;margin-bottom:5px}h1{font-size:29px;line-height:1.25;letter-spacing:-.7px;margin:0;font-weight:700}h2{font-size:19px;line-height:1.35;margin:0 0 7px}h3{font-size:17px;margin:0 0 7px}p{margin:8px 0 16px}.muted{color:var(--muted);font-size:14px}.page-heading p{margin:8px 0 0}.actions,.row{display:flex;align-items:center;gap:12px}.actions{flex-wrap:wrap}.between{justify-content:space-between}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;border:1px solid transparent;border-radius:8px;padding:9px 17px;background:var(--orange);color:#172f40;font-size:14px;font-weight:650;text-align:center}.btn:hover{background:#df7918;color:#122c3d}.btn.secondary{background:#fff;color:var(--text);border-color:var(--line)}.btn.secondary:hover{border-color:#a6b7c4}.btn.danger{background:#fff0f0;color:var(--red);border-color:#f1cbcb}.btn.small{font-size:13px;padding:6px 11px;min-height:34px}.btn:disabled{opacity:.5;cursor:wait}.text-link{font-size:14px;font-weight:600;color:#a85a10;display:inline-flex;align-items:center;gap:7px}.icon-button{background:transparent;color:inherit;display:inline-grid;place-items:center;padding:7px;border-radius:7px}.icon-button:hover{background:#7c9ab522}.mobile-menu{display:none}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;margin-bottom:22px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:19px}.panel-head h2{margin:0}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:25px}.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;position:relative}.stat-label{font-size:13px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;gap:6px}.stat-icon{background:#eef4f8;color:#35657e;display:grid;place-items:center;width:33px;height:33px;border-radius:9px}.stat:nth-child(2) .stat-icon{background:var(--orange-soft);color:#b46917}.stat:nth-child(3) .stat-icon{background:#edf2ff;color:#536fb0}.stat:nth-child(4) .stat-icon{background:#e7f5ef;color:var(--green)}.stat-value{font-size:31px;font-weight:700;letter-spacing:-.5px;margin:4px 0}.stat-caption{font-size:12px;color:var(--muted)}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;align-items:start}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px}.dashboard-grid .course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-card{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}.course-cover{padding:20px;min-height:96px;background:#edf3f8;display:flex;justify-content:space-between;align-items:flex-start}.course-card:nth-child(3n+2) .course-cover{background:#fff1de}.course-card:nth-child(3n) .course-cover{background:#eaf4ee}.course-code{font-size:26px;font-weight:750;color:#34556f;letter-spacing:-1px}.course-cover .icon{width:34px;height:34px;opacity:.5}.course-body{padding:18px}.course-meta{font-size:12px;color:var(--muted);margin:6px 0 15px}.course-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:13px;font-size:12px;color:var(--muted);gap:10px}.course-body h3{font-size:17px}.badge{display:inline-flex;align-items:center;line-height:1.25;font-size:12px;font-weight:600;border-radius:5px;padding:5px 8px;background:#edf2f6;color:#536979;white-space:nowrap}.badge-paid,.badge-present,.badge-live{color:#147059;background:#e7f5ef}.badge-unpaid,.badge-pending,.badge-scheduled,.badge-excused{color:#9b6117;background:#fff0d9}.badge-failed,.badge-absent{color:#ad3e3e;background:#ffebeb}.badge-sick,.badge-video,.badge-link{color:#49609e;background:#edf0fc}.list-row{display:flex;align-items:center;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}.list-row:last-child{border:0}.list-row .grow{flex:1;min-width:0}.list-row p{margin:3px 0 0;font-size:13px;color:var(--muted)}.list-row strong{font-size:14px;font-weight:650}.date-tile{width:46px;flex-shrink:0;border-radius:8px;background:#edf3f7;text-align:center;padding:6px 2px;font-size:19px;font-weight:700;line-height:1.2}.date-tile small{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;margin-bottom:4px}.schedule-card{border-left:3px solid var(--orange);padding:4px 0 4px 13px;margin:21px 0}.schedule-card p{font-size:13px;color:var(--muted);margin:4px 0 10px}.schedule-card h3{font-size:15px}.progress-bars{display:flex;align-items:flex-end;gap:14px;height:140px;padding:12px 4px 0}.bar-group{flex:1;height:100%;display:flex;align-items:center;flex-direction:column;justify-content:flex-end;gap:8px;min-width:0}.bar-track{height:90px;width:100%;max-width:25px;background:#edf3f6;border-radius:5px;position:relative;overflow:hidden}.bar-fill{position:absolute;bottom:0;width:100%;background:#2a697f;border-radius:5px}.bar-group:last-child .bar-fill{background:var(--orange)}.bar-group small{font-size:12px;color:var(--muted)}.chart-value{font-size:12px;color:var(--muted)}.table-wrap{overflow:auto}.table-panel{padding:0;overflow:hidden}.table-panel .panel-head{padding:22px 23px 0}table{width:100%;border-collapse:collapse;font-size:14px;text-align:left}th{font-size:12px;letter-spacing:.3px;background:#f7f9fb;color:#6b7e8b;font-weight:650;text-transform:uppercase;white-space:nowrap;padding:13px 18px;border-block:1px solid var(--line)}td{padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:middle}tr:last-child td{border-bottom:0}td small{display:block;font-size:12px;color:var(--muted);margin-top:2px}td .actions{gap:7px}td select{min-width:115px}.filters{display:flex;align-items:end;gap:14px;flex-wrap:wrap;margin-bottom:22px}.filters .field{margin:0;min-width:170px}.filters .field.search{flex:1}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:19px;font-size:14px;min-width:0}.field>span{font-weight:550}input:not([type=checkbox]):not([type=radio]),textarea,select{width:100%;min-height:44px;border:1px solid #ced9e1;border-radius:7px;padding:10px 12px;background:#fff;color:var(--text);font-size:14px}textarea{resize:vertical;line-height:1.6}input:focus,select:focus,textarea:focus{outline:3px solid #f5a44530;border-color:var(--orange)}:focus-visible{outline:3px solid #ed942e;outline-offset:3px}input[type=checkbox],input[type=radio]{accent-color:#cf721b;width:17px;height:17px}.check{display:flex;align-items:center;gap:10px;font-size:14px;margin:18px 0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px}.form-grid .full{grid-column:1/-1}.form-narrow{max-width:840px}.form-actions{display:flex;gap:12px;border-top:1px solid var(--line);padding-top:22px;margin-top:18px}.notice{border-radius:10px;padding:14px 18px;margin-bottom:21px;font-size:14px;border:1px solid #d8e8ef;background:#edf6fa}.notice.success{background:#ecf8f1;border-color:#cae8d6;color:#1c6944}.notice.error{background:#fff0f0;border-color:#edcaca;color:#9b3030}.notice.warning{background:#fff6e9;border-color:#f1d7ac;color:#886019}.notice ul{margin:7px 0;padding-left:20px}.empty{padding:40px 20px;text-align:center;color:var(--muted);font-size:14px}.empty>.icon{margin:auto;width:32px;height:32px;color:#9cb1c2}.empty p{margin:13px 0}.prose{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.85}.content-split{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}.definition{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.definition>span{color:var(--muted)}.definition strong{font-weight:600;text-align:right}details.panel>summary{font-size:17px;font-weight:650}details[open].panel>summary{margin-bottom:24px}details:not(.panel)>summary{font-size:14px;font-weight:600;cursor:pointer;margin:12px 0}.question{border:1px solid var(--line);padding:22px;border-radius:12px;background:#fff;margin-bottom:20px}.question legend{float:left;width:100%;font-weight:650;margin-bottom:16px}.question:after{content:'';display:block;clear:both}.option{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid var(--line);border-radius:8px;margin:9px 0;font-size:15px;cursor:pointer}.option:has(input:checked){background:var(--orange-soft);border-color:var(--orange)}.exam-toolbar{position:sticky;top:12px;z-index:5;background:var(--navy);color:white;padding:16px 22px;border-radius:12px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.timer{font-size:23px;font-weight:700;font-variant-numeric:tabular-nums}.saved{font-size:13px;color:#bedad8}.grade-number{font-size:62px;font-weight:750;letter-spacing:-2px;color:var(--green)}.result-box{text-align:center;padding:45px 20px}.room-stage{background:#102d40;border-radius:14px;padding:28px;color:#fff;min-height:280px;margin:20px 0}.participant-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.participant{background:#204356;border:1px solid #375467;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-direction:column;min-height:145px;padding:15px;font-size:14px}.participant .avatar{margin-bottom:12px;width:52px;height:52px;background:#335d74;color:#fff;font-size:23px}.room-stage>p{font-size:13px;color:#b4c9d7}.money{font-variant-numeric:tabular-nums;white-space:nowrap}.pagination{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;font-size:13px;color:var(--muted)}.pagination .pages{display:flex;gap:8px}.calendar-day{min-width:125px}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.app-footer{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:#8396a5;border-top:1px solid var(--line);padding:21px 0 0;margin-top:34px}.skip-link{position:absolute;top:-80px;left:20px;z-index:50;background:#fff;padding:12px}.skip-link:focus{top:8px}.login-shell{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}.login-intro{background:linear-gradient(145deg,#102d40,#185771);color:white;padding:65px 12%;display:flex;flex-direction:column;justify-content:space-between}.login-intro .brand{padding:0;font-size:32px}.login-intro h1{font-size:45px;max-width:460px;letter-spacing:-1.2px;line-height:1.2;margin:45px 0 22px}.login-intro p{color:#c0d6e2;max-width:440px;font-size:16px}.login-intro small{color:#a9c5d5}.login-form{display:flex;align-items:center;justify-content:center;padding:45px 9%;background:#fff}.login-form>div{width:100%;max-width:390px}.login-form h2{font-size:28px}.login-form .btn{width:100%;margin-top:7px}.demo-list{font-size:12px;border-top:1px solid var(--line);padding-top:20px;margin-top:30px;color:var(--muted)}.demo-list code{font-size:12px}.small-note{font-size:12px;color:var(--muted)}.truncate{overflow-wrap:anywhere}.separator{height:1px;background:var(--line);margin:22px 0}.score-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.score-cell{background:#f7f9fb;border-radius:9px;padding:16px}.score-cell strong{display:block;font-size:23px}.score-cell span{font-size:12px;color:var(--muted)}@media(min-width:1600px){main{padding-inline:46px}}@media(max-width:1200px){.sidebar{width:230px}.app-shell{margin-left:230px}main{padding:28px 25px}.topbar{padding:0 25px}.dashboard-grid{grid-template-columns:1fr 285px;gap:18px}.stats{gap:12px}.stat{padding:15px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-grid .course-grid{grid-template-columns:1fr}.stat-label{font-size:12px}}@media(max-width:960px){.dashboard-grid,.content-split{grid-template-columns:1fr}.dashboard-grid .course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.login-intro{padding:45px 10%}.login-intro h1{font-size:35px}.date-label{display:none}.two-col{grid-template-columns:1fr}.topbar{height:65px}}@media(max-width:760px){.sidebar{transform:translateX(-100%);transition:transform .18s;width:258px}.sidebar.open{transform:translateX(0);box-shadow:15px 0 50px #1235}.app-shell{margin-left:0}.mobile-menu{display:inline-grid}main{padding:24px 18px}.topbar{padding:0 18px}.page-heading{align-items:flex-start;flex-direction:column}.page-heading h1{font-size:27px}.stats{gap:12px}.dashboard-grid .course-grid,.course-grid{grid-template-columns:1fr 1fr}.panel{padding:19px}.panel.table-panel{padding:0}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.filters>*{flex:1}.login-shell{grid-template-columns:1fr}.login-intro{padding:27px}.login-intro h1,.login-intro p,.login-intro>small{display:none}.login-form{padding:35px 24px}.participant-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar-right{gap:5px}.breadcrumb{font-size:12px}.breadcrumb span{margin:0 5px}}@media(max-width:440px){.dashboard-grid .course-grid,.course-grid{grid-template-columns:1fr}.stat{padding:12px}.stat-value{font-size:27px}.stat-icon{width:27px;height:27px}.stat-icon .icon{width:17px}.course-cover{min-height:75px}.score-grid{grid-template-columns:1fr}.exam-toolbar{flex-wrap:wrap}.participant-grid{grid-template-columns:1fr}.app-footer{flex-wrap:wrap}.actions .btn{padding-inline:10px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media print{body{background:white;font-size:12px}.sidebar,.topbar,.app-footer,.no-print,.page-heading .actions,.filters,.notice{display:none!important}.app-shell{margin:0}main{padding:0;max-width:none}.panel{border:0;padding:8px 0;break-inside:avoid}.table-wrap{overflow:visible}th,td{font-size:12px;padding:8px}.page-heading h1{font-size:22px}a{color:inherit}.badge{background:none!important;border:1px solid #ccc}.form-actions{display:none}.page-heading{margin-bottom:16px}}
