:root{
  --bg:#f5f3ee; --card:#fff; --ink:#17201c; --muted:#6b746f; --line:#e6e2d9; --soft:#efece4;
  --side:#0f1f1a; --side-ink:#c9d6cf; --side-hi:#1c3329;
  --brand:#127a55; --brand-2:#0e9f6e; --in:#0e8f62; --in-bg:#e4f4ec; --out:#d2453c; --out-bg:#fbe9e7;
  --due:#b7791f; --due-bg:#fbf1dc; --tr:#5b6bb5; --tr-bg:#e9ecf8;
  --r:14px; --sh:0 1px 2px rgba(20,30,25,.05),0 4px 16px rgba(20,30,25,.05);
  --num:'Space Grotesk','Hind Siliguri',system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:15px/1.55 'Hind Siliguri',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
.boot{display:grid;place-items:center;height:100vh;color:var(--muted)}
.muted{color:var(--muted)} .small{font-size:13px}
.num{font-family:var(--num);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.pos{color:var(--in)} .neg{color:var(--out)}

/* ---------- login ---------- */
.wm-login-body{min-height:100vh;background:var(--side)}
.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;max-width:1100px;margin:0 auto;align-items:center;gap:48px;padding:32px 24px}
.login-brand{color:#e8efe9}
.login-brand h1{font:700 44px/1.1 var(--num);margin:18px 0 10px}
.login-brand p{color:var(--side-ink);font-size:18px;max-width:420px}
.login-points{list-style:none;padding:0;margin:28px 0 0;color:var(--side-ink)}
.login-points li{padding:8px 0 8px 28px;position:relative}
.login-points li:before{content:"";position:absolute;left:0;top:15px;width:14px;height:8px;border-left:2px solid var(--brand-2);border-bottom:2px solid var(--brand-2);transform:rotate(-45deg)}
.logo-mark{width:56px;height:56px;border-radius:16px;background:var(--brand-2);color:#fff;display:grid;place-items:center;font:700 30px/1 'Hind Siliguri'}
.login-card{background:var(--card);border-radius:20px;padding:36px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-card h2{margin:0;font-size:24px}
.login-card form{margin-top:20px;display:grid;gap:14px}
.alert{background:var(--out-bg);color:var(--out);padding:10px 14px;border-radius:10px;margin-top:14px}
@media(max-width:820px){.login-wrap{grid-template-columns:1fr;gap:24px;padding:24px 16px}.login-brand h1{font-size:32px}.login-points{display:none}.login-card{padding:24px}}

/* ---------- forms ---------- */
label{display:grid;gap:5px;font-size:13px;color:var(--muted);font-weight:500}
label.check{display:flex;align-items:center;gap:8px;color:var(--ink);font-size:14px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=month],input[type=search],select,textarea{
  width:100%;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 12px;font-size:15px;color:var(--ink);outline:none;transition:border .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(14,159,110,.15)}
textarea{min-height:70px;resize:vertical}
.btn{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 16px;cursor:pointer;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:background .15s,transform .05s;text-decoration:none;color:var(--ink)}
.btn:hover{background:var(--soft)} .btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.45;cursor:default}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff} .btn.primary:hover{background:#0d6646}
.btn.danger{color:var(--out)} .btn.sm{padding:5px 10px;font-size:13px;border-radius:8px}
.btn.block{width:100%;justify-content:center;padding:12px}
.btn.ghost{border-color:transparent;background:transparent}
.seg{display:inline-flex;background:var(--soft);border-radius:10px;padding:3px}
.seg button{border:0;background:transparent;padding:7px 16px;border-radius:8px;cursor:pointer;font-weight:600;color:var(--muted)}
.seg button.on{background:#fff;color:var(--ink);box-shadow:var(--sh)}
.seg button.on.in{color:var(--in)} .seg button.on.out{color:var(--out)}

/* ---------- layout ---------- */
.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.side{background:var(--side);color:var(--side-ink);padding:22px 14px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}
.side .brand{display:flex;align-items:center;gap:10px;color:#fff;font:700 20px var(--num);padding:0 8px 22px}
.side .brand .logo-mark{width:36px;height:36px;border-radius:10px;font-size:20px}
.nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--side-ink);text-decoration:none;font-weight:500;margin-bottom:2px}
.nav a:hover{background:var(--side-hi);color:#fff}
.nav a.on{background:var(--brand);color:#fff}
.nav svg{width:19px;height:19px;flex:none}
.side .me{margin-top:auto;padding:12px;border-top:1px solid var(--side-hi);font-size:13px;word-break:break-all}
.side .me b{color:#fff;display:block;font-size:14px}
.side .me a{color:var(--side-ink)}
.main{min-width:0;padding:26px 32px 60px}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.top h1{margin:0;font-size:26px;font-weight:700}
.top .actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.mob-top{display:none}
.tabbar{display:none}

/* ---------- cards ---------- */
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:18px 20px;min-width:0}
.card h3{margin:0 0 12px;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g2{grid-template-columns:repeat(2,1fr)}
.g-dash{grid-template-columns:1.4fr 1fr}
.kpi{padding:16px 18px}
.kpi .l{font-size:13px;color:var(--muted);font-weight:500}
.kpi .v{font:600 26px/1.2 var(--num);margin-top:4px}
.kpi .s{font-size:12px;color:var(--muted);margin-top:2px}
.kpi.hero{background:var(--side);color:#fff}
.kpi.hero .l,.kpi.hero .s{color:var(--side-ink)}
.mt{margin-top:16px}

/* balances */
.bal-list{display:grid;gap:2px}
.bal{display:flex;justify-content:space-between;align-items:center;padding:9px 4px;border-bottom:1px dashed var(--line)}
.bal:last-child{border-bottom:0}
.bal .n{display:flex;align-items:center;gap:10px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--brand-2);flex:none}

/* tables */
.tbl-wrap{overflow-x:auto;margin:0 -20px;padding:0 20px}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;font-weight:600;color:var(--muted);font-size:12.5px;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap;background:var(--card)}
.tbl td{padding:10px;border-bottom:1px solid var(--soft);vertical-align:middle}
.tbl tr:hover td{background:#faf9f6}
.tbl .r{text-align:right} .tbl .c{text-align:center}
.tbl tfoot td{font-weight:700;border-top:2px solid var(--line);border-bottom:0}
.tbl tr.click{cursor:pointer}
.chip{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;background:var(--soft);color:var(--muted);white-space:nowrap}
.chip.in{background:var(--in-bg);color:var(--in)} .chip.out{background:var(--out-bg);color:var(--out)}
.chip.due{background:var(--due-bg);color:var(--due)} .chip.tr{background:var(--tr-bg);color:var(--tr)}
.chip.ok{background:var(--in-bg);color:var(--in)}
.empty{padding:30px;text-align:center;color:var(--muted)}

/* tx list */
.tx-row{display:grid;grid-template-columns:40px 1fr auto;gap:12px;align-items:center;padding:11px 2px;border-bottom:1px solid var(--soft);cursor:pointer}
.tx-row:last-child{border-bottom:0}
.tx-ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-weight:700;font-size:18px}
.tx-ic.in{background:var(--in-bg);color:var(--in)} .tx-ic.out{background:var(--out-bg);color:var(--out)} .tx-ic.tr{background:var(--tr-bg);color:var(--tr)}
.tx-main{min-width:0}
.tx-main .p{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tx-main .d{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tx-amt{text-align:right;font:600 15px var(--num);white-space:nowrap}
.tx-amt small{display:block;font:400 12px 'Hind Siliguri';color:var(--muted)}
.day-h{font-size:12.5px;color:var(--muted);font-weight:600;padding:12px 2px 2px;display:flex;justify-content:space-between}

/* filters */
.filters{display:grid;grid-template-columns:2fr repeat(5,1fr);gap:10px;margin-bottom:14px}
.sumbar{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;margin-bottom:10px;color:var(--muted)}
.sumbar b{font-family:var(--num);color:var(--ink)}
.sumbar b.pos{color:var(--in)} .sumbar b.neg{color:var(--out)}
.pager{display:flex;justify-content:space-between;align-items:center;margin-top:14px;gap:10px}

/* chart */
.chart{width:100%;height:220px;display:block}
.chart text{font:11px var(--num);fill:var(--muted)}
.legend{display:flex;gap:16px;font-size:13px;color:var(--muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}

/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(15,25,20,.45);display:flex;align-items:flex-start;justify-content:center;z-index:50;padding:40px 16px;overflow-y:auto;animation:fade .15s}
.modal{background:#fff;border-radius:18px;width:100%;max-width:520px;box-shadow:0 30px 80px rgba(0,0,0,.25);animation:pop .18s}
.modal.wide{max-width:720px}
.modal-h{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--soft)}
.modal-h h3{margin:0;font-size:18px}
.modal-b{padding:18px 22px;display:grid;gap:14px}
.modal-f{padding:14px 22px;border-top:1px solid var(--soft);display:flex;justify-content:space-between;gap:8px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.x{border:0;background:var(--soft);width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:18px;line-height:1}
@keyframes fade{from{opacity:0}} @keyframes pop{from{opacity:0;transform:translateY(10px) scale(.98)}}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--side);color:#fff;padding:11px 20px;border-radius:12px;z-index:99;box-shadow:0 10px 30px rgba(0,0,0,.25);animation:pop .2s}
.toast.err{background:var(--out)}
.fab{display:none}

/* calculator */
.calc-row{display:grid;grid-template-columns:70px 1fr 100px;gap:8px;align-items:center;margin-bottom:6px}
.calc-row input{padding:6px 10px}

/* wifi */
.wifi-head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.progress{height:10px;background:var(--soft);border-radius:8px;overflow:hidden;margin-top:12px}
.progress div{height:100%;background:var(--brand-2)}

/* responsive */
@media(max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g-dash{grid-template-columns:1fr}.filters{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:820px){
  .shell{grid-template-columns:1fr}
  .side{display:none}
  .main{padding:12px 16px 100px}
  .mob-top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--side);color:#fff;position:sticky;top:0;z-index:20}
  .mob-top .brand{display:flex;align-items:center;gap:8px;font:700 18px var(--num)}
  .mob-top .logo-mark{width:30px;height:30px;font-size:17px;border-radius:9px}
  .mob-top a{color:var(--side-ink);font-size:13px}
  .tabbar{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:30;padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
  .tabbar a{display:grid;justify-items:center;gap:2px;font-size:11px;color:var(--muted);text-decoration:none;padding:4px 0}
  .tabbar a.on{color:var(--brand)}
  .tabbar svg{width:22px;height:22px}
  .top h1{font-size:22px}
  .top .actions .btn:not(.primary){padding:7px 10px}
  .g3,.g2{grid-template-columns:1fr}
  .g4{grid-template-columns:1fr 1fr;gap:10px}
  .kpi .v{font-size:19px}
  .card{padding:14px 16px}
  .tbl-wrap{margin:0 -16px;padding:0 16px}
  .filters{grid-template-columns:1fr 1fr}
  .filters .f-q{grid-column:1/-1}
  .row2{grid-template-columns:1fr}
  .modal-bg{padding:0;align-items:flex-end}
  .modal{border-radius:18px 18px 0 0;max-width:none;max-height:92vh;overflow-y:auto}
  .fab{display:grid;place-items:center;position:fixed;right:18px;bottom:78px;width:56px;height:56px;border-radius:18px;background:var(--brand);color:#fff;border:0;font-size:28px;box-shadow:0 10px 24px rgba(18,122,85,.4);z-index:25;cursor:pointer}
  .hide-m{display:none}
}

.alert.ok{background:var(--in-bg);color:var(--in)}
.auth-tabs{display:flex;margin-bottom:20px}.auth-tabs button{flex:1}
.auth-pane[hidden]{display:none}