:root{--bg:#f6f7f5;--card:#fff;--ink:#1c2420;--mut:#5d6b64;--line:#d5dbd6;--acc:#1f6b4a;--acc2:#e6f1eb;--bad:#b3261e;--warn:#fff4d6}
*{box-sizing:border-box}body{margin:0;font:14px/1.45 "Hanken Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Bengali",sans-serif;background:var(--bg);color:var(--ink)}
main{padding:18px 22px;max-width:100%;overflow-x:auto}h1{font-size:21px;margin:.2em 0 .6em}h2{font-size:16px;margin:.3em 0 .5em}h1 small,h2 small{font-weight:400;color:var(--mut);font-size:.75em}
a{color:var(--acc)}.muted,.note{color:var(--mut);max-width:110ch}.note{font-size:12px}
nav.top{display:flex;gap:4px;align-items:center;background:var(--acc);color:#fff;padding:8px 16px;flex-wrap:wrap}nav.top b{margin-right:14px}nav.top a{color:#fff;text-decoration:none;padding:5px 10px;border-radius:5px}
nav.top a.on,nav.top a:hover{background:rgba(255,255,255,.18)}nav.top .sp{flex:1}.tag{background:var(--acc2);color:var(--acc);border-radius:10px;padding:2px 9px;font-size:12px}nav.top .tag{margin-right:8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin:14px 0}.card.narrow{max-width:340px;margin:8vh auto}.sub{border-top:1px solid var(--line);padding:8px 0}
label{display:inline-flex;flex-direction:column;gap:3px;font-size:12px;color:var(--mut);margin:0 10px 10px 0;vertical-align:top}label.wide{display:flex;margin:14px 0}label.inline{flex-direction:row;align-items:center;font-size:14px;color:var(--ink)}
input,select,textarea{font:inherit;color:var(--ink);padding:5px 7px;border:1px solid var(--line);border-radius:5px;background:#fff;max-width:100%}textarea{width:100%;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px}
.card.narrow label{display:flex}.row{display:flex;flex-wrap:wrap;align-items:flex-end}.row h2{width:100%}
.btn{background:var(--acc);color:#fff;border:1px solid var(--acc);border-radius:6px;padding:6px 14px;font:inherit;cursor:pointer;text-decoration:none;display:inline-block;margin:0 6px 10px 0}.btn.ghost{background:#fff;color:var(--acc)}.btn.small{padding:2px 9px;font-size:12px;margin:0}
.link{background:none;border:0;color:var(--bad);cursor:pointer;font:inherit;padding:0}.flash{padding:9px 13px;border-radius:6px;margin:0 0 12px;background:var(--acc2)}.flash.warn{background:var(--warn)}
table{border-collapse:collapse}table.grid{background:#fff;margin:8px 0}table.grid th,table.grid td{border:1px solid var(--line);padding:4px 7px;text-align:left;vertical-align:middle}table.grid th{background:#eef1ee;font-size:12px}
table.grid input{border-color:transparent;background:transparent;padding:3px 4px}table.grid input:focus,table.grid input:hover{border-color:var(--line);background:#fff}table.marks input{border-color:var(--line);background:#fff;text-align:center}
tr.none td{color:var(--mut)}.bad{color:var(--bad);font-weight:600}details summary{cursor:pointer;color:var(--acc);font-size:13px}details form{margin-top:8px}
.pills a{display:inline-block;padding:3px 9px;margin:0 4px 5px 0;border:1px solid var(--line);border-radius:14px;background:#fff;text-decoration:none;font-size:12.5px}.pills a.on{background:var(--acc);color:#fff;border-color:var(--acc)}
.bar{margin-bottom:12px}
/* ---------- printable reports ---------- */
body.report main{font-family:"Times New Roman",Times,"Noto Serif Bengali",serif;color:#000}
.l{text-align:left!important}.c,.center{text-align:center}.sheet-head{text-align:center;margin:0 0 8px;font-size:14px}
table.tab{font-size:9.5px;background:#fff}table.tab th,table.tab td{border:1px solid #000;padding:1px 3px;text-align:center;white-space:nowrap}table.tab td.m{font-weight:700}table.tab small{font-weight:400}table.tab.comb{font-size:11px}table.tab.comb td{padding:2px 4px}table.tab td.l{white-space:normal;min-width:110px}table.tab td.l:last-of-type,table.tab.comb td:nth-last-child(2){min-width:190px}
.signs{display:flex;justify-content:space-between;margin-top:46px;font-size:12px}.signs span{border-top:1px solid #000;padding-top:3px;min-width:150px;text-align:center}
.page{background:#fff;width:279mm;min-height:190mm;padding:6mm;margin:0 auto 14px;border:1px solid var(--line);position:relative;font-size:12.5px}.page.avg,.page:not(.gs):not(.tr){width:186mm;min-height:auto}
.page h2{margin:2px 0;font-size:17px}.page h3{margin:1px 0;font-size:13.5px}.logo{height:46px}.serial{text-align:right;font-size:12px}
.top3{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:10px;align-items:start}.gs .top3{grid-template-columns:.75fr 1.25fr 1.3fr}.gs h3{font-size:12.5px}.classes{font-size:12px;padding-top:44px}
table.scale{font-size:11px;width:auto}table.scale th,table.scale td{padding:0 6px;text-align:center}table.clist{font-size:10px;width:100%}table.clist td,table.clist th{padding:0 4px;text-align:center;vertical-align:top}
.who{display:flex;gap:40px;justify-content:center;margin:9px 0;font-size:13.5px}
table.box{width:100%;margin-top:8px}table.box th,table.box td{border:1px solid #000;padding:3px 6px;text-align:center}table.box.big td,table.box.big th{padding:5px 8px;font-size:13.5px}td.cg{font-size:15px}
.body2{display:grid;grid-template-columns:2.1fr 1fr;gap:10px;align-items:start}
.foot3{display:grid;grid-template-columns:1.2fr 1fr 1fr;margin-top:26px;line-height:1.7}.nb{font-size:11px;margin-top:14px}
.yrs{column-count:2;column-gap:8px}table.yr{font-size:10.5px;break-inside:avoid;margin:0 0 6px;table-layout:fixed}table.yr caption{text-align:left;font-weight:700;border:1px solid #000;border-bottom:0;padding:1px 4px}table.yr th:nth-child(1){width:15%}table.yr th:nth-child(3){width:9%}table.yr th:nth-child(4){width:11%}table.yr th:nth-child(5){width:12%}table.yr td,table.yr th{padding:1px 4px}table.agg{font-size:11px;margin-top:0}.back .foot3{margin-top:14px}
@media print{.noprint{display:none!important}body{background:#fff}main{padding:0;overflow:visible}.page{border:0;margin:0;width:auto!important;min-height:0!important;padding:0 1mm;break-after:page}.page:last-of-type{break-after:auto}table.tab thead{display:table-header-group}tr{break-inside:avoid}}

/* ---------- left navigation ---------- */
.shell{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:100vh}
.side{background:var(--acc);color:#fff;padding:16px 12px;display:flex;flex-direction:column;gap:10px;position:sticky;top:0;height:100vh;overflow-y:auto}
.side .brand{font-size:15px;line-height:1.25}.side .tag{align-self:flex-start}
.side nav{display:flex;flex-direction:column;gap:2px;margin-top:6px}
.side nav a{color:#fff;text-decoration:none;padding:8px 10px;border-radius:6px}.side nav a:hover{background:rgba(255,255,255,.14)}.side nav a.on{background:#fff;color:var(--acc);font-weight:600}
.side .sep{font-size:11px;text-transform:uppercase;letter-spacing:.08em;opacity:.7;margin:14px 10px 4px}
.side .who-am{margin-top:auto;font-size:12.5px;padding:0 10px}.side .who-am a{color:#fff}
@media (max-width:760px){.shell{grid-template-columns:1fr}.side{position:static;height:auto}.side nav{flex-direction:row;flex-wrap:wrap}.side .sep{width:100%;margin:6px 10px 0}}
@media print{.shell{display:block}}
.signs span{font-weight:400}
.selbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 10px;margin:8px 0;position:sticky;top:0;z-index:2}.selbar .btn,.selbar label{margin:0}
table.tab tr.hall td{background:#e8e8e8;text-align:left;padding:2px 6px}table.tab tr.prev td{color:#444}

/* ---------- average sheet ---------- */
@font-face{font-family:"Noto Serif Bengali";font-weight:400;font-display:block;src:url(fonts/noto-serif-bengali-bengali-400-normal.woff2) format("woff2")}
@font-face{font-family:"Noto Serif Bengali";font-weight:700;font-display:block;src:url(fonts/noto-serif-bengali-bengali-700-normal.woff2) format("woff2")}
.page.avgsheet{width:186mm;min-height:270mm;font-family:"Noto Serif Bengali","Noto Sans Bengali","Kalpurush","SolaimanLipi","Vrinda",serif;font-size:14px;break-after:page}
.avgsheet h2{font-size:22px;margin:4px 0 0}.avgsheet .sub{font-size:15px;margin-bottom:14px}.avgsheet .logo{height:62px}
.avgsheet .meta{display:flex;justify-content:space-between;font-weight:700;margin:5px 0;padding-right:18mm}.avgsheet .en{font-family:Arial,Helvetica,sans-serif}
.avgsheet table.box th{font-weight:400;padding:3px 4px;line-height:1.25}.avgsheet table.box td{padding:0 4px;font:13px/17px Arial,Helvetica,sans-serif}
.avgfoot{display:grid;grid-template-columns:1fr 1.3fr;margin-top:18px;line-height:1.9;font-weight:700}.avgfoot .ind{margin-left:22mm}

.side .syl{display:flex;flex-wrap:wrap;gap:4px;align-items:center;font-size:12.5px}.side .syl span{width:100%;font-size:11px;text-transform:uppercase;letter-spacing:.08em;opacity:.7}.side .syl a{color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.45);border-radius:6px;padding:4px 9px}.side .syl a.on{background:#fff;color:var(--acc);font-weight:600}
.demo{background:#fff6d6;border:1px solid #e2c044;color:#4d3d00;border-radius:8px;padding:8px 12px;margin:0 0 14px;font-size:13.5px}.demo .btn{margin-left:8px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}.chip{border:1px solid var(--acc);color:var(--acc);background:#fff;border-radius:14px;padding:3px 10px;font-size:13px;cursor:pointer}.chip small{opacity:.7}.chip:hover{background:var(--acc2)}table.grid input.wide{width:100%;min-width:180px}.warnlist{background:#fff3f0;border:1px solid #d9806c;border-radius:8px;padding:8px 14px;margin:10px 0}.warnlist li{margin:2px 0}
.tchip{display:inline-flex;align-items:center;gap:6px;background:var(--acc2);border:1px solid #b9d8c8;color:#123;border-radius:8px;padding:3px 4px 3px 9px;margin:2px 4px 2px 0;font-size:13.5px;font-weight:600}.tchip small{font-weight:400;opacity:.75}.tchip button{border:0;background:transparent;cursor:pointer;font-size:15px;line-height:1;padding:2px 5px;border-radius:5px;color:#555}.tchip button:hover{background:#fff;color:#b00}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0 14px}.tabs a{padding:6px 13px;border:1px solid var(--acc);border-radius:8px;text-decoration:none;color:var(--acc);background:#fff}.tabs a.on{background:var(--acc);color:#fff;font-weight:600}table.grid td.mid{vertical-align:middle}.load{display:inline-block;height:8px;border-radius:4px;background:var(--acc);vertical-align:middle;margin-right:6px}

.lvcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:10px;margin:12px 0}.lvcards a.lv>span:last-child{margin-top:auto;white-space:nowrap}
.lvcards a.lv{display:flex;flex-direction:column;gap:8px;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--mut);text-decoration:none;font-size:13px}
.lvcards a.lv:hover{border-color:var(--acc)}.lvcards a.lv b{color:var(--ink)}
.lvcards .lvh{display:flex;flex-direction:column;align-items:flex-start;gap:6px}.lvcards .lvh b{font-size:12px;line-height:1.3;text-transform:uppercase;letter-spacing:.04em}
.lvcards .lvh i{font-style:normal;font-size:11.5px;background:var(--acc2);color:var(--acc);padding:2px 7px;border-radius:5px;white-space:nowrap}
.lvcards a.lv.on{background:var(--acc);border-color:var(--acc);color:#d9ece2}.lvcards a.lv.on b{color:#fff}.lvcards a.lv.on .lvh i{background:rgba(255,255,255,.18);color:#fff}
.stcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin:0 0 14px}
.stcards>div{display:flex;flex-direction:column;gap:4px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--card)}
.stcards small{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--mut);font-weight:600}.stcards b{font-size:18px;color:var(--ink)}.stcards span{font-size:12.5px;color:var(--mut)}
@media print{.lvcards,.stcards{display:none}}
.btn.danger{color:var(--bad);border-color:var(--bad)}.btn.danger:hover{background:var(--bad);color:#fff}.btn[disabled]{opacity:.45;cursor:not-allowed}.btn[disabled]:hover{background:#fff;color:var(--bad)}
.exlist{display:flex;flex-direction:column;gap:3px;margin:6px 0;max-height:320px;overflow:auto}.exlist b{margin-top:6px;font-size:12px;color:var(--mut)}.exlist label{display:flex!important;flex-direction:row!important;gap:6px;align-items:center;font-size:13px;text-align:left;margin:0}.exlist label input{width:auto;margin:0}.exlist label small{margin-left:4px}td .exlist{min-width:360px}
.tag.lock{background:#fff4d6;color:#7a5600;margin-right:6px}
a.small{font-size:12px;white-space:nowrap}

/* ---------- type ---------- */
@font-face{font-family:"Hanken Grotesk";font-weight:400;font-display:swap;src:url(fonts/hanken-grotesk-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Hanken Grotesk";font-weight:500;font-display:swap;src:url(fonts/hanken-grotesk-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Hanken Grotesk";font-weight:600;font-display:swap;src:url(fonts/hanken-grotesk-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Hanken Grotesk";font-weight:700;font-display:swap;src:url(fonts/hanken-grotesk-latin-700-normal.woff2) format("woff2")}
:root{--humus:#2e2219;--topsoil:#5b3d27;--subsoil:#a8742f;--parent:#c8b48a;--rock:#8d8a83;--stone:#f3f2ee}
:focus-visible{outline:2px solid var(--subsoil);outline-offset:2px}

/* ---------- landing / log in: a soil profile beside the sign-in ---------- */
body.landing{background:var(--stone)}body.landing main{padding:0;overflow:visible}
.land{display:grid;grid-template-columns:minmax(260px,38%) 1fr;min-height:100vh}
.profile{display:flex;flex-direction:column;background:var(--humus);color:#fff;position:relative}
.profile .surface{height:72px;background:var(--acc);display:flex;align-items:flex-end;gap:9%;padding:0 8%;overflow:hidden}
.profile .surface span{width:3px;height:26px;background:#3f8f67;border-radius:2px 2px 0 0;transform:skewX(-8deg)}.profile .surface span:nth-child(even){height:38px;transform:skewX(9deg)}.profile .surface span:nth-child(3n){height:18px}
.hz{display:grid;grid-template-columns:3.2rem 1fr auto;align-items:baseline;gap:0 14px;padding:18px 8% 0;border-top:1px solid rgba(255,255,255,.08);animation:dig .7s cubic-bezier(.2,.7,.2,1) both;animation-delay:calc(var(--i) * 110ms)}
.hz b{font-size:30px;font-weight:700;letter-spacing:-.02em;line-height:1}.hz span{font-size:15px;font-weight:500}.hz small{font-size:12.5px;opacity:.75;font-variant-numeric:tabular-nums}
.hz-o{flex:.55;background:var(--humus)}.hz-a{flex:1.1;background:var(--topsoil)}.hz-b{flex:1.6;background:var(--subsoil)}
.hz-c{flex:1.3;background:var(--parent);color:var(--humus)}.hz-r{flex:.9;color:#fff;background:var(--rock);background-image:radial-gradient(ellipse 16px 10px at 22% 38%,rgba(255,255,255,.10) 98%,transparent),radial-gradient(ellipse 11px 7px at 71% 70%,rgba(0,0,0,.10) 98%,transparent);background-size:90px 54px,70px 46px}
.hz-b{background-image:radial-gradient(circle,rgba(46,34,25,.18) 1.4px,transparent 1.6px);background-size:14px 12px}
.hz-c{background-image:radial-gradient(ellipse 6px 3.5px at 30% 40%,rgba(91,61,39,.16) 99%,transparent),radial-gradient(ellipse 4px 3px at 75% 80%,rgba(91,61,39,.12) 99%,transparent);background-size:46px 30px,38px 26px}
@keyframes dig{from{clip-path:inset(0 0 100% 0)}to{clip-path:inset(0 0 0 0)}}
@media (prefers-reduced-motion:reduce){.hz{animation:none}}
.enter{padding:9vh clamp(22px,7vw,96px) 40px;max-width:640px;align-self:center}
.inst{display:flex;gap:14px;align-items:center;margin-bottom:44px}.inst img{border-radius:50%;background:#fff}.inst b{display:block;font-size:15px;font-weight:600}.inst span{color:var(--mut);font-size:14px}
.enter h1{font-size:clamp(34px,4.4vw,52px);line-height:1.04;letter-spacing:-.025em;font-weight:700;color:var(--humus);margin:0 0 18px;max-width:12ch}
.lede{font-size:17px;line-height:1.55;color:#4a4038;max-width:46ch;margin:0 0 30px}
.signin{display:grid;gap:14px;max-width:340px;margin:0 0 22px}.signin label{display:flex;margin:0;font-size:13px;color:#4a4038;font-weight:500;gap:5px}
.signin input{padding:10px 12px;font-size:15px;border:1px solid #cfc9bd;border-radius:6px;background:#fff}.signin input:focus{border-color:var(--acc);outline:2px solid rgba(31,107,74,.25);outline-offset:0}
.signin .btn{justify-self:start;padding:10px 26px;font-size:15px;font-weight:600;margin:4px 0 0;border-radius:6px}
.enter .flash{max-width:340px}.fine{font-size:13px;color:var(--mut);max-width:40ch}
@media (max-width:760px){.land{grid-template-columns:1fr;grid-template-rows:auto 1fr}.profile{flex-direction:row;height:84px}.profile .surface{display:none}
 .hz{flex:1!important;display:flex;flex-direction:column;justify-content:flex-end;padding:0 0 10px 10px;border:0;gap:2px}.hz b{font-size:20px}.hz span{font-size:11px}.hz small{display:none}
 .enter{padding:32px 18px}.inst{margin-bottom:28px}}

/* ---------- home ---------- */
.side a.brand{color:#fff;text-decoration:none;font-weight:700}
.dash{max-width:1180px}
.hello{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;padding:6px 0 22px;border-bottom:1px solid var(--line);margin-bottom:24px}
.hello h1{font-size:30px;letter-spacing:-.02em;margin:0 0 8px;color:var(--humus)}.hello p{margin:0;color:#4a4038;font-size:15px;max-width:68ch;line-height:1.55}
.hello time{text-align:right;color:var(--mut);font-size:13px;white-space:nowrap}.hello time b{display:block;color:var(--ink);font-size:15px;font-weight:600}
.dgrid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start}
.dash h2{font-size:15px;font-weight:600;margin:0 0 10px;color:var(--humus)}
.xr{display:grid;grid-template-columns:minmax(180px,1.2fr) minmax(170px,1fr) auto;gap:18px;align-items:center;padding:14px 0;border-top:1px solid var(--line)}
.xr:last-of-type{border-bottom:1px solid var(--line)}
.xn a{font-weight:600;font-size:15.5px;color:var(--ink);text-decoration:none}.xn a:hover{color:var(--acc);text-decoration:underline}.xn small{display:block;color:var(--mut);font-size:12.5px;margin-top:2px}
.xp{display:grid;grid-template-columns:1fr auto;gap:2px 10px;align-items:center}.xp small{grid-column:1/-1;color:var(--mut);font-size:12px}.xp b{font-size:13px;font-variant-numeric:tabular-nums;width:3.2em;text-align:right}
.track{height:6px;border-radius:3px;background:#e4e0d6;overflow:hidden}.track span{display:block;height:100%;background:var(--subsoil);border-radius:3px}
.xr.is-locked .track span{background:var(--rock)}.xr.is-locked .xp small{color:var(--topsoil);font-weight:600}
.xa{display:flex;gap:14px;font-size:13px;white-space:nowrap}.xa a{text-decoration:none;font-weight:500}.xa a:hover{text-decoration:underline}
.side2>section{margin-bottom:30px}
.go{list-style:none;margin:0;padding:0}.go li{border-top:1px solid var(--line)}.go li:last-child{border-bottom:1px solid var(--line)}
.go a{display:block;padding:10px 0;text-decoration:none;font-weight:600;color:var(--ink)}.go a:hover{color:var(--acc)}.go small{display:block;font-weight:400;color:var(--mut);font-size:12.5px}
.chg{list-style:none;margin:0;padding:0;font-size:13px}.chg li{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-top:1px solid var(--line)}.chg time{color:var(--mut);white-space:nowrap;font-size:12px}
.more{margin:10px 0 0;font-size:13px}.empty{color:var(--mut);font-size:14px}
@media (max-width:980px){.dgrid{grid-template-columns:1fr}.xr{grid-template-columns:1fr;gap:8px}.hello{flex-direction:column;align-items:flex-start}.hello time{text-align:left}}

.inline-f{display:flex;gap:6px;align-items:center;margin:2px 0}.inline-f select,.inline-f input{padding:3px 6px}
.qparts td.off{background:#f1efea}.qparts td.off input,.qparts td.off select{opacity:.4}.qparts select{padding:2px 3px}
.qparts tr.alt td{background:#faf8f3;border-top-style:dashed}.qparts tr.alt td.off{background:#f1efea}
table.marks th.altc,table.marks td.altc{background:#f6efe2}