:root{--navy:#211843;--navy-2:#2e2458;--purple:#76258a;--purple-dark:#5c1c6c;--gold:#be941c;--teal:#0b6b63;--teal-soft:#ddf4f1;--purple-soft:#f1e6f4;--gold-soft:#fbf1d6;--red:#8f1d14;--red-soft:#fde8e7;--bg:#f6f5f9;--card:#fff;--line:#e4e1ec;--line-2:#eeecf3;--ink:#1c1830;--muted:#5e5a6e;color:var(--ink);background:var(--bg);font-family:Hind Siliguri,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0}a{color:var(--purple)}h1{color:var(--navy);margin:0;font-size:26px}h2{color:var(--navy);margin:0 0 10px;font-size:18px}.muted{color:var(--muted);font-size:14px}.small{font-size:13px}.shell{min-height:100vh;display:flex}.side{background:var(--navy);color:#fff;flex-direction:column;flex:none;gap:4px;width:240px;padding:20px 14px;display:flex}.side.teacher{background:var(--teal)}.brand{align-items:center;gap:10px;padding:0 4px 18px;display:flex}.brand img{object-fit:contain;background:#fff;border-radius:10px;width:46px;height:46px}.brand b{font-size:15px;line-height:1.2;display:block}.brand span{color:#cfc8e6;font-size:12px}.nav a{color:#fff;border-radius:8px;padding:10px 12px;font-size:15px;text-decoration:none;display:block}.nav a.active{color:var(--navy);background:#fff;font-weight:600}.side.teacher .nav a.active{color:var(--teal)}.side-foot{flex-direction:column;gap:8px;margin-top:auto;padding-top:20px;display:flex}.lang{background:#0003;border-radius:10px;gap:4px;padding:4px;display:flex}.lang button{min-height:38px;font:inherit;cursor:pointer;color:#fff;background:0 0;border:0;border-radius:8px;flex:1;font-weight:600}.lang button.on{background:var(--gold);color:var(--navy)}.linkbtn{color:#e7e3f3;font:inherit;cursor:pointer;text-align:left;background:0 0;border:0;padding:6px 4px}.main{flex-direction:column;flex:1;gap:18px;min-width:0;padding:28px 32px;display:flex}@media (width<=760px){.shell{flex-direction:column}.side{width:auto;padding:12px}.brand{padding-bottom:8px}.nav{gap:4px;display:flex;overflow-x:auto}.nav a{white-space:nowrap}.side-foot{flex-direction:row;align-items:center;padding-top:8px}.main{padding:16px}}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.spread{justify-content:space-between}.grid2{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.grid4{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}@media (width<=760px){.grid2,.grid4{grid-template-columns:minmax(0,1fr)}}.kpi{border-top:4px solid var(--purple)}.kpi b{color:var(--navy);font-size:28px;display:block}label.f{flex-direction:column;gap:5px;min-width:0;font-size:14px;font-weight:500;display:flex}input,select,textarea{font:inherit;min-height:42px;color:var(--ink);background:#fff;border:1px solid #d3cee0;border-radius:8px;width:100%;padding:9px 11px;font-size:15px}textarea{min-height:70px}.btn{font:inherit;background:var(--purple);color:#fff;cursor:pointer;border:0;border-radius:8px;min-height:42px;padding:8px 16px;font-size:15px;font-weight:600}.btn:disabled{opacity:.6;cursor:default}.btn.ghost{color:var(--purple);border:1px solid var(--purple);background:#fff}.btn.danger{color:var(--red);background:#fff;border:1px solid #e5c3c0}.btn.sm{min-height:34px;padding:4px 10px;font-size:14px}.badge{white-space:nowrap;border-radius:999px;padding:2px 9px;font-size:12px;font-weight:600;display:inline-block}.b-ok{background:var(--teal-soft);color:var(--teal)}.b-off{color:var(--muted);background:#eeecf3}.b-warn{background:var(--gold-soft);color:#6e5208}.err{background:var(--red-soft);color:var(--red);border-radius:8px;padding:10px 12px;font-size:14px}.ok{background:var(--teal-soft);color:var(--teal);border-radius:8px;padding:10px 12px;font-size:14px}.hint{background:var(--gold-soft);color:#6e5208;border-radius:8px;padding:10px 12px;font-size:13px}.tablewrap{overflow-x:auto}table.t{border-collapse:collapse;width:100%;font-size:14px}table.t th{text-align:left;color:var(--muted);border-bottom:1px solid var(--line);white-space:nowrap;padding:9px 8px;font-weight:600}table.t td{border-bottom:1px solid var(--line-2);vertical-align:top;padding:9px 8px}table.t tr.click{cursor:pointer}table.t tr.click:hover td{background:#fbf8fc}.overlay{z-index:10;background:#21184373;justify-content:center;align-items:flex-start;padding:30px 12px;display:flex;position:fixed;inset:0;overflow-y:auto}.modal{background:#fff;border-radius:14px;flex-direction:column;gap:14px;width:min(760px,100%);padding:22px;display:flex}fieldset{border:1px solid var(--line);border-radius:10px;flex-direction:column;gap:10px;margin:0;padding:12px;display:flex}legend{color:var(--navy);padding:0 6px;font-size:14px;font-weight:600}.cal{border-collapse:collapse;table-layout:fixed;width:100%;min-width:760px;font-size:12.5px}.cal th{color:var(--navy);text-align:left;border-bottom:1px solid var(--line);padding:6px}.cal td{border-bottom:1px solid var(--line-2);border-left:1px solid var(--line-2);vertical-align:top;padding:3px}.cal td.t{color:var(--muted);white-space:nowrap;border-left:0;width:76px}.chip{border-radius:6px;margin-bottom:3px;padding:3px 6px;line-height:1.3}.chip b{display:block}.center{justify-content:center;align-items:center;min-height:100vh;padding:16px;display:flex}.loginbox{flex-direction:column;gap:14px;width:min(400px,100%);display:flex}.loginbox img{object-fit:contain;background:#fff;border-radius:16px;align-self:center;width:90px;height:90px}.stack{flex-direction:column;gap:12px;display:flex}h3{color:var(--navy);margin:4px 0 8px;font-size:15px}.line{border-bottom:1px solid var(--line-2);padding:10px 0}.timebox{text-align:center;background:var(--teal-soft);width:96px;color:var(--teal);border-radius:8px;padding:4px 0}.timebox b{display:block}.pill{cursor:pointer;background:#fff;border:1px solid #d3cee0;border-radius:999px;align-items:center;gap:6px;min-height:38px;padding:7px 13px;font-size:14px;display:inline-flex}.pill input{width:auto;min-height:0;accent-color:var(--purple);margin:0}.pill.on{border-color:var(--purple);color:var(--purple);background:#f6eef8;font-weight:600}.b-red{background:var(--red-soft);color:var(--red)}a.kpi{color:inherit;text-decoration:none}.warnk{border-top-color:var(--gold)}details summary{cursor:pointer;color:var(--navy);padding:6px 0;font-weight:600}@media (width<=700px){.modal{padding:16px}.pill{padding:6px 10px;font-size:13px}}.daytabs{grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;display:grid}.daytab{font:inherit;border:1px solid var(--line);cursor:pointer;min-height:52px;color:var(--navy);background:#fff;border-radius:10px;flex-direction:column;align-items:center;gap:2px;padding:8px 2px;display:flex}.daytab span{color:var(--muted);font-size:12px}.daytab.today{border-color:var(--gold)}.daytab.on{background:var(--teal);border-color:var(--teal);color:#fff}.daytab.on span{color:#d6f1ee}.grid3{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.kpi small{font-size:15px;font-weight:500}.studentrow,.logrow{font:inherit;color:inherit;border:0;border-bottom:1px solid var(--line-2);cursor:pointer;background:0 0;align-items:center;gap:12px;width:100%;padding:10px 4px;display:flex}.studentrow.on{background:#f6eef8;border-radius:8px}.logrow .timebox{flex:none;width:104px}.bar{background:#eeecf3;border-radius:99px;height:6px;margin-top:6px;overflow:hidden}.bar i{background:var(--teal);border-radius:99px;height:100%;display:block}@media (width<=760px){.grid3{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.grid3 .kpi{padding:10px}.grid3 .kpi b{font-size:20px}.grid3 .kpi .muted{font-size:12px}.side-foot{flex-wrap:wrap;gap:4px 12px}.side-foot .linkbtn{padding:2px 0;font-size:13px}.brand img{width:38px;height:38px}.daytab{min-height:46px;padding:6px 0;font-size:13px}.hide-sm{display:none}}.commentbox{border-left:4px solid var(--purple);background:#f6eef8;border-radius:8px;padding:10px 12px}.slotline{border-bottom:1px dashed var(--line);flex-direction:column;gap:4px;padding-bottom:8px;display:flex}.alertcard{color:#6e5208;background:var(--gold-soft);border-color:var(--gold);flex-direction:column;gap:4px;text-decoration:none;display:flex}.navbadge{background:var(--gold);min-width:20px;color:var(--navy);text-align:center;border-radius:99px;margin-left:6px;padding:0 6px;font-size:12px;font-weight:700;display:inline-block}