@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+Bengali:wght@400;500;600;700;800&display=swap');
:root{--bg:#061523;--side:#082036;--surface:#0d2238;--surface2:#112a44;--surface3:#173653;--line:#234663;--text:#f2f8ff;--muted:#8fb0cb;--brand:#13b8a6;--brand2:#62e1d4;--blue:#55a8ff;--amber:#ffbd4a;--red:#ff7180;--green:#48d59b;--shadow:0 18px 48px rgba(0,0,0,.26);--radius:16px}
:root.light{--bg:#eef5f8;--side:#fff;--surface:#fff;--surface2:#f6fafc;--surface3:#e8f1f5;--line:#d4e2e9;--text:#10283b;--muted:#61798b;--brand:#087f73;--brand2:#099e90;--shadow:0 14px 35px rgba(25,60,80,.1)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:"Noto Sans Bengali",Inter,sans-serif}button,input,select,textarea{font:inherit}button{transition:.2s}button:focus-visible,input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:1px}.app-shell{min-height:100vh;display:flex}.sidebar{position:fixed;inset:0 auto 0 0;width:245px;background:linear-gradient(180deg,var(--side),#071725);border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:40}.light .sidebar{background:#fff}.brand{height:82px;padding:0 20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line)}.school-mark{width:43px;height:43px;flex:0 0 43px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),#08758a);color:#fff;font-size:19px;font-weight:800;box-shadow:0 8px 22px rgba(19,184,166,.22)}.school-mark.large{width:68px;height:68px;border-radius:20px;font-size:28px}.brand b{display:block;font-size:14px;line-height:1.35}.brand small{display:block;margin-top:4px;color:var(--muted);font:700 9px Inter;letter-spacing:.08em}nav{padding:17px 12px;display:grid;gap:4px;overflow:auto}.nav-item{height:45px;padding:0 12px;border:0;border-radius:11px;background:transparent;color:var(--muted);display:flex;align-items:center;gap:11px;text-align:left;cursor:pointer}.nav-item span{width:25px;height:25px;display:grid;place-items:center;border-radius:8px;font:700 15px Inter}.nav-item b{font-size:13px}.nav-item:hover{background:var(--surface2);color:var(--text)}.nav-item.active{color:var(--brand2);background:rgba(19,184,166,.13);box-shadow:inset 3px 0 var(--brand)}.nav-item.active span{background:rgba(19,184,166,.15)}.developer{margin:auto 13px 14px;padding:12px;border:1px solid rgba(19,184,166,.22);border-radius:12px;background:rgba(19,184,166,.06);display:grid;gap:3px;font:600 10px Inter}.developer span{color:var(--muted)}.developer a{color:var(--brand2);text-decoration:none}.workspace{width:calc(100% - 245px);margin-left:245px}.topbar{height:82px;padding:0 28px;position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:13px;background:rgba(6,21,35,.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.light .topbar{background:rgba(238,245,248,.9)}.topbar h1{margin:0;font-size:20px}.topbar p{margin:4px 0 0;color:var(--muted);font-size:11px}.top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.icon-btn{width:39px;height:39px;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--muted);cursor:pointer}.menu{display:none}.install-btn{height:39px;padding:0 14px;border:1px solid rgba(19,184,166,.5);border-radius:11px;background:rgba(19,184,166,.14);color:var(--brand2);font-size:12px;font-weight:700;cursor:pointer}.install-btn[hidden]{display:none}.profile{height:46px;min-width:148px;padding:5px 10px 5px 5px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--text);display:flex;align-items:center;gap:8px;text-align:left}.profile>span{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:var(--surface3);color:var(--brand2);font:800 11px Inter}.profile b,.profile small{display:block}.profile b{font-size:11px}.profile small{font:500 9px Inter;color:var(--muted)}.content{padding:23px 28px 40px}.page{display:none}.page.active{display:block}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.metric{position:relative;overflow:hidden;min-height:125px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,var(--surface2),var(--surface));box-shadow:var(--shadow)}.metric:after{content:'';position:absolute;width:85px;height:85px;border-radius:50%;right:-29px;top:-31px;background:rgba(255,255,255,.05)}.metric.teal:after{background:rgba(19,184,166,.16)}.metric.blue:after{background:rgba(85,168,255,.14)}.metric.amber:after{background:rgba(255,189,74,.13)}.metric.red:after{background:rgba(255,113,128,.13)}.metric span{color:var(--muted);font-size:12px}.metric strong{display:block;margin-top:13px;font:800 26px Inter}.metric small{display:block;margin-top:6px;color:var(--muted);font-size:10px}.metric.teal strong{color:var(--brand2)}.metric.blue strong{color:var(--blue)}.metric.amber strong{color:var(--amber)}.metric.red strong{color:var(--red)}.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);overflow:hidden}.panel-head{min-height:67px;padding:15px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-head h2{margin:0;font-size:15px}.panel-head p{margin:4px 0 0;color:var(--muted);font-size:10px}.dashboard-grid{display:grid;grid-template-columns:1.4fr .7fr;gap:14px;margin:14px 0}.quick{padding:15px;display:grid;grid-template-columns:1fr 1fr;gap:9px}.quick button{min-height:62px;padding:8px;border:1px solid var(--line);border-radius:11px;background:var(--surface2);color:var(--text);font-weight:600;cursor:pointer}.quick button:hover{border-color:var(--brand);color:var(--brand2)}.class-chart{min-height:190px;padding:18px;display:flex;align-items:flex-end;gap:10px}.class-bar{flex:1;display:flex;height:160px;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px}.class-bar i{width:min(38px,72%);min-height:3px;border-radius:7px 7px 3px 3px;background:linear-gradient(var(--brand2),var(--brand));box-shadow:0 6px 18px rgba(19,184,166,.18)}.class-bar b{font:700 10px Inter;color:var(--muted)}.split{display:grid;grid-template-columns:minmax(340px,.78fr) minmax(0,1.35fr);gap:14px}.grow{min-width:0}.form-body{padding:18px;display:grid;gap:14px}.form-body label{display:grid;gap:6px;color:var(--muted)}label>span{font-size:10px;font-weight:700;letter-spacing:.04em}input,select,textarea{width:100%;min-height:42px;padding:9px 11px;border:1px solid var(--line);border-radius:10px;background:var(--surface2);color:var(--text)}textarea{min-height:78px;resize:vertical}input::placeholder{color:#69849c}.grid2,.grid3{display:grid;gap:11px}.grid2{grid-template-columns:1fr 1fr}.grid3{grid-template-columns:repeat(3,1fr)}.primary,.secondary,.danger{min-height:42px;padding:9px 14px;border-radius:10px;font-weight:700;cursor:pointer}.primary{border:0;background:linear-gradient(90deg,#62e1d4,#13b8a6);color:#04201e}.secondary{border:1px solid var(--line);background:var(--surface2);color:var(--text)}.danger{border:1px solid rgba(255,113,128,.4);background:rgba(255,113,128,.11);color:var(--red)}.small{min-height:39px}.wide{width:100%}.muted{color:var(--muted);line-height:1.6}.search{width:min(270px,100%)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:12px 15px;border-bottom:1px solid var(--line);text-align:left;font-size:11px;white-space:nowrap}th{color:var(--muted);font-size:9px;letter-spacing:.05em;background:var(--surface2)}.empty{text-align:center!important;color:var(--muted);padding:30px!important}.amount-in{color:var(--green)}.amount-due{color:var(--red)}.badge{display:inline-flex;padding:4px 7px;border-radius:999px;background:rgba(19,184,166,.12);color:var(--brand2);font-size:9px}.action{padding:6px 9px;border:1px solid var(--line);border-radius:8px;background:var(--surface2);color:var(--text);cursor:pointer}.toolbar>div:last-child{display:flex;gap:8px;align-items:center}.toolbar input,.toolbar select{width:auto;min-width:145px}.attendance-list{padding:15px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.attendance-row{padding:12px;border:1px solid var(--line);border-radius:11px;background:var(--surface2);display:flex;align-items:center;gap:10px}.attendance-row>span{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:var(--surface3);color:var(--brand2);font-weight:800}.attendance-row div{min-width:0;flex:1}.attendance-row b,.attendance-row small{display:block}.attendance-row b{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attendance-row small{color:var(--muted);font-size:9px}.attendance-choice{display:flex;gap:4px}.attendance-choice label{cursor:pointer}.attendance-choice input{position:absolute;opacity:0}.attendance-choice span{display:block;padding:6px 8px;border:1px solid var(--line);border-radius:7px;color:var(--muted);font-size:10px}.attendance-choice input:checked+span{background:var(--brand);color:#04201e;border-color:var(--brand)}.attendance-choice label:last-child input:checked+span{background:var(--red);color:#fff;border-color:var(--red)}.form-actions{padding:14px 18px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}.calc{padding:12px;border:1px solid rgba(19,184,166,.3);border-radius:10px;background:rgba(19,184,166,.08);color:var(--brand2);font-size:12px}.report{margin:14px 0}.auth{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 15% 15%,rgba(19,184,166,.17),transparent 35%),#061523}.auth[hidden]{display:none}.auth-card{width:min(900px,100%);min-height:540px;display:grid;grid-template-columns:.9fr 1.1fr;border:1px solid var(--line);border-radius:25px;overflow:hidden;background:var(--surface);box-shadow:0 32px 80px rgba(0,0,0,.45)}.auth-brand{padding:48px 40px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;background:linear-gradient(145deg,#0c3141,#071929);border-right:1px solid var(--line)}.auth-brand h1{margin:22px 0 9px;font:800 27px/1.4 "Noto Sans Bengali"}.auth-brand p{margin:0;color:var(--muted);line-height:1.7}.secure-chip{margin-top:35px;padding:9px 12px;border:1px solid rgba(19,184,166,.3);border-radius:9px;color:var(--brand2);font-size:10px}.auth-main{padding:34px 46px}.auth-tabs{display:flex;padding:4px;border-radius:11px;background:var(--surface2)}.auth-tabs button{flex:1;padding:9px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-weight:700;font-size:11px;cursor:pointer}.auth-tabs button.active{background:var(--surface3);color:var(--brand2)}.auth-form{margin-top:30px}.auth-form[hidden]{display:none}.auth-form h2{margin:0 0 5px;font-size:24px}.auth-form>p{margin:0 0 22px;color:var(--muted);font-size:12px}.auth-form label{display:grid;gap:6px;margin-bottom:14px}.form-message{min-height:23px;margin-top:9px;color:var(--red);font-size:11px;text-align:center}.toast{position:fixed;z-index:300;right:22px;bottom:22px;max-width:350px;padding:12px 16px;border:1px solid var(--brand);border-radius:11px;background:var(--surface3);box-shadow:var(--shadow);opacity:0;transform:translateY(25px);pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translateY(0)}.scrim{display:none}
.brand-link{margin-top:22px;color:var(--brand2);font:700 15px Inter,sans-serif;text-decoration:none;border-bottom:1px solid rgba(98,225,212,.45);transition:.2s}.brand-link:hover{color:#fff;border-bottom-color:var(--brand2)}.brand-link:focus-visible{outline:2px solid var(--brand2);outline-offset:5px;border-radius:2px}.auth-brand .secure-chip{margin-top:22px}.mobile-auth-contact{display:none}
@media(max-width:1150px){.metrics{grid-template-columns:1fr 1fr}.dashboard-grid,.split{grid-template-columns:1fr}.attendance-list{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.sidebar{width:min(84vw,285px);transform:translateX(-102%);transition:.25s}body.menu-open .sidebar{transform:translateX(0)}.workspace{width:100%;margin:0}.menu{display:block}.topbar{height:74px;padding:0 13px}.topbar h1{font-size:16px}.topbar p{display:none}.content{padding:14px}.profile{width:43px;min-width:43px;padding:4px}.profile div{display:none}.scrim{position:fixed;inset:0;z-index:35;background:rgba(0,0,0,.55)}body.menu-open .scrim{display:block}.panel-head{align-items:flex-start;flex-direction:column}.toolbar>div:last-child{width:100%;flex-wrap:wrap}.toolbar input,.toolbar select,.toolbar button{width:100%}.grid3{grid-template-columns:1fr}.attendance-list{grid-template-columns:1fr}.auth-card{grid-template-columns:1fr}.auth-brand{display:none}.auth-main{padding:28px 23px}.mobile-auth-contact{display:flex;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:10px}.mobile-auth-contact a{color:var(--brand2);font:700 16px Inter,sans-serif;text-decoration:none;min-height:34px;display:flex;align-items:center}.mobile-auth-contact a:focus-visible{outline:2px solid var(--brand2);outline-offset:3px;border-radius:4px}.class-chart{gap:5px}}
@media(max-width:500px){.metrics{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}.quick{grid-template-columns:1fr}.top-actions{gap:5px}.install-btn{padding:0 8px;font-size:10px}.form-actions{align-items:stretch;flex-direction:column}.form-actions .primary{width:100%}}
@media print{.sidebar,.topbar,.auth,.toast,.report .metric,.report+.panel{box-shadow:none}.sidebar,.topbar,.auth,.toast,.scrim,.page:not([data-view="reports"]),.page[data-view="reports"]>.panel:first-child{display:none!important}.workspace{width:100%;margin:0}.content{padding:0}.page[data-view="reports"]{display:block!important}.panel,.metric{box-shadow:none}}