:root{
  --bg:#f4f7ee; --surface:#fff; --surface-2:#eef3e5; --line:#dce5d0;
  --fg:#16220e; --muted:#5a6850; --navy:#025b09; --navy-deep:#013d06;
  --saffron:#a2c144; --saffron-soft:#eff6d9; --green:#15803d; --green-soft:#e3f6ea;
  --red:#b42318; --red-soft:#fde8e6; --r:10px;
  --display:'Poppins','Hind',system-ui,sans-serif; --body:'Hind','Noto Sans Devanagari',system-ui,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.5}
a{color:var(--navy)}
h1,h2,h3{font-family:var(--display);margin:0;line-height:1.3}
h2{font-size:18px;margin-bottom:12px}
.layout{display:flex;min-height:100vh}
.side{width:236px;flex:none;background:var(--navy-deep);color:#c9d8b8;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;gap:10px;align-items:center;padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand .mark{width:40px;height:40px;border-radius:50%;background:#fff;display:grid;place-items:center;overflow:hidden;flex:none}
.brand b{display:block;color:#fff;font-family:var(--display)}
.brand small{color:#d3e69a;font-size:12px}
.side nav{display:flex;flex-direction:column;padding:10px 8px;gap:2px;flex:1}
.side .grp{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#93a882;padding:12px 10px 4px}
.side nav a{display:flex;gap:10px;align-items:center;padding:6px 10px;border-radius:8px;color:#c9d8b8;text-decoration:none;font-weight:500}
.side nav a small{display:block;font-size:11px;opacity:.65;line-height:1}
.side nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.side nav a.on{background:var(--saffron);color:#025b09}
.side-foot{padding:14px 16px;border-top:1px solid rgba(255,255,255,.08);font-size:14px;display:grid;gap:6px}
.side-foot a{color:#d3e69a}
.main{flex:1;min-width:0;padding:0 24px 40px}
.top{display:flex;align-items:center;gap:12px;padding:18px 0}
.top h1{font-size:22px;flex:1}
.today{color:var(--muted);font-size:14px}
.menu-btn{display:none;font-size:22px;background:none;border:0;cursor:pointer;color:var(--fg)}
@media (max-width:900px){
  .side{position:fixed;left:-260px;z-index:50;transition:left .2s;box-shadow:0 0 40px rgba(0,0,0,.3)}
  .side.open{left:0}
  .menu-btn{display:block}
  .main{padding:0 14px 40px}
}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:18px;min-width:0}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:18px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.stat span{font-size:13px;color:var(--muted);font-weight:600}
.stat b{display:block;font-family:var(--display);font-size:24px;font-variant-numeric:tabular-nums}
.stat.green b{color:var(--green)} .stat.red b{color:var(--red)} .stat.navy b{color:var(--navy)}
.tbl{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:15px}
th{text-align:left;font-size:13px;color:var(--muted);font-weight:600;padding:8px 10px;border-bottom:2px solid var(--line);white-space:nowrap}
td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
tr:hover td{background:var(--surface-2)}
form.inline{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.fields{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
label{display:grid;gap:4px;font-size:13px;font-weight:600;color:var(--muted)}
input,select,textarea{font:inherit;font-size:15px;padding:8px 10px;border:1.5px solid var(--line);border-radius:8px;background:#fff;color:var(--fg);width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--navy)}
.btn{display:inline-flex;align-items:center;gap:6px;font:600 14px var(--display);padding:9px 16px;border-radius:8px;border:0;cursor:pointer;text-decoration:none;background:var(--navy);color:#fff;white-space:nowrap}
.btn:hover{filter:brightness(1.1)}
.btn.sm{padding:5px 10px;font-size:12px}
.btn.alt{background:var(--surface-2);color:var(--navy)}
.btn.saffron{background:var(--saffron);color:#025b09}
.btn.green{background:var(--green)}
.btn.red{background:var(--red)}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-weight:600}
.flash.ok{background:var(--green-soft);color:var(--green)}
.flash.err{background:var(--red-soft);color:var(--red)}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:1px 9px;border-radius:999px;background:var(--surface-2);color:var(--navy)}
.pill.red{background:var(--red-soft);color:var(--red)} .pill.green{background:var(--green-soft);color:var(--green)} .pill.saffron{background:var(--saffron-soft);color:#4b6510}
.muted{color:var(--muted)} .right{text-align:right}
.due{color:var(--red);font-weight:700} .paid{color:var(--green);font-weight:700}
.empty{padding:30px;text-align:center;color:var(--muted)}
.bare{min-height:100vh;display:grid;place-items:center;padding:20px;background:var(--navy-deep)}
.login{background:#fff;border-radius:14px;padding:28px;width:100%;max-width:380px;display:grid;gap:14px}
.login h1{font-size:22px;color:var(--navy)}
/* attendance toggles */
.att-row{display:flex;gap:6px}
.att-row input{display:none}
.att-row label{display:inline-grid;place-items:center;width:38px;height:34px;border-radius:8px;border:1.5px solid var(--line);cursor:pointer;color:var(--muted);font-size:14px}
.att-row input:checked+label.p{background:var(--green);border-color:var(--green);color:#fff}
.att-row input:checked+label.a{background:var(--red);border-color:var(--red);color:#fff}
.att-row input:checked+label.l{background:var(--saffron);border-color:var(--saffron);color:#025b09}
/* receipt */
.receipt{max-width:720px;margin:20px auto;background:#fff;border:1px solid var(--line);padding:26px;font-size:15px}
.receipt .head{text-align:center;border-bottom:2px solid var(--navy);padding-bottom:10px;margin-bottom:14px}
.receipt .head h2{color:var(--navy);margin:0;font-size:22px}
.receipt .meta{display:grid;grid-template-columns:1fr 1fr;gap:4px 20px;margin-bottom:14px}
.receipt .sign{display:flex;justify-content:space-between;margin-top:46px;font-size:13px;color:var(--muted)}
@media print{
  .side,.top,.no-print,.flash{display:none!important}
  body{background:#fff} .main{padding:0} .card{border:0;padding:0}
  .receipt{border:0;margin:0}
}