:root{
  --paper:#F7F9F6; --card:#FFFFFF; --ink:#17263D; --ink-2:#55647C; --ink-3:#8593A8;
  --rule:#DCE7DF; --rule-strong:#B6CDBE; --margin:#D9867E;
  --green:#1F6B4A; --green-soft:#E2F0E7; --red:#B3261E; --red-soft:#F9E3E0;
  --amber:#8F5B00; --amber-soft:#FBEFD6; --blue:#1D4DA3; --blue-soft:#E3EBFA;
  --focus:#1D4DA3; --shadow:0 12px 40px rgba(23,38,61,.18);
  --font:"Barlow",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-head:"Barlow Semi Condensed","Barlow",system-ui,Arial,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0F1713; --card:#15201A; --ink:#E4EDE8; --ink-2:#A2B4AA; --ink-3:#71857A;
    --rule:#223329; --rule-strong:#30493B; --margin:#7A3A34;
    --green:#62C495; --green-soft:#163326; --red:#F08D84; --red-soft:#3A1C19;
    --amber:#E9B75E; --amber-soft:#382B12; --blue:#93B5F6; --blue-soft:#172642;
    --focus:#93B5F6; --shadow:0 12px 40px rgba(0,0,0,.5); color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#0F1713; --card:#15201A; --ink:#E4EDE8; --ink-2:#A2B4AA; --ink-3:#71857A;
  --rule:#223329; --rule-strong:#30493B; --margin:#7A3A34;
  --green:#62C495; --green-soft:#163326; --red:#F08D84; --red-soft:#3A1C19;
  --amber:#E9B75E; --amber-soft:#382B12; --blue:#93B5F6; --blue-soft:#172642;
  --focus:#93B5F6; --shadow:0 12px 40px rgba(0,0,0,.5); color-scheme:dark;
}
:root{box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*,*::before,*::after{box-sizing:inherit}
html,body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.45}
body{min-height:100%}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
.muted{color:var(--ink-2)} .faint{color:var(--ink-3)}
h1,h2,h3{font-family:var(--font-head);margin:0;letter-spacing:.005em}

/* top bar */
header.top{background:var(--card);border-bottom:1px solid var(--rule-strong)}
.top-inner{max-width:1240px;margin:0 auto;padding:14px 20px 0;display:flex;flex-wrap:wrap;gap:6px 20px;align-items:flex-end;justify-content:space-between}
.brand h1{font-size:24px;line-height:1.1}
.brand p{margin:2px 0 0;color:var(--ink-2);font-size:13.5px}
.who{display:flex;align-items:center;gap:10px;font-size:13.5px;padding-bottom:10px}
.who img{width:28px;height:28px;border-radius:50%}
.role{padding:3px 9px;border-radius:4px;font-weight:600;font-size:12.5px;background:var(--green-soft);color:var(--green)}
.role.view{background:var(--amber-soft);color:var(--amber)}
nav.tabs{max-width:1240px;margin:0 auto;padding:0 20px;display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
nav.tabs button{background:none;border:0;padding:10px 14px 11px;cursor:pointer;font-weight:600;color:var(--ink-2);border-bottom:3px solid transparent;white-space:nowrap}
nav.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--green)}
nav.tabs .count{display:inline-block;min-width:20px;padding:0 6px;margin-left:6px;border-radius:10px;background:var(--red);color:#fff;font-size:12px;line-height:18px;text-align:center}

main{max-width:1240px;margin:0 auto;padding:20px 20px 60px}
.banner{padding:12px 14px;border-radius:6px;background:var(--amber-soft);color:var(--amber);margin-bottom:16px;font-weight:500}
.banner.err{background:var(--red-soft);color:var(--red)}

.bar{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin-bottom:14px}
.bar .grow{flex:1}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
input,select,textarea{background:var(--card);border:1px solid var(--rule-strong);border-radius:5px;padding:8px 10px;min-height:38px;width:100%}
textarea{min-height:70px;resize:vertical}
input[type=checkbox]{width:auto;min-height:0}
.btn{border:1px solid var(--rule-strong);background:var(--card);border-radius:5px;padding:8px 14px;min-height:38px;font-weight:600;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--ink-3)}
.btn.primary{background:var(--green);border-color:var(--green);color:#fff}
.btn.danger{color:var(--red);border-color:var(--red)}
.btn.blue{background:var(--blue);border-color:var(--blue);color:#fff}
:root[data-theme="dark"] .btn.primary,:root[data-theme="dark"] .btn.blue{color:#0F1713}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn.primary,:root:not([data-theme="light"]) .btn.blue{color:#0F1713}}
.btn.link{border:0;background:none;padding:4px 0;min-height:0;color:var(--blue);font-weight:600}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* figures */
.figs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--rule-strong);border-radius:6px;background:var(--card);margin-bottom:22px}
.fig{padding:14px 16px;border-left:1px solid var(--rule)}
.fig:first-child{border-left:0}
.fig .k{font-size:13px;color:var(--ink-2);font-weight:600}
.fig .v{font-family:var(--font-head);font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;margin-top:2px}
.fig .s{font-size:13px;color:var(--ink-3)}
.fig.alert .v{color:var(--red)}
.cols{display:grid;grid-template-columns:3fr 2fr;gap:22px}
section.panel h2{font-size:19px;margin-bottom:8px}

/* the ledger */
.ledger.plain{background-image:none}
.totals{display:flex;flex-wrap:wrap;gap:6px 22px;justify-content:flex-end;padding:10px 4px;font-variant-numeric:tabular-nums;color:var(--ink-2)}
.totals b{color:inherit;font-weight:700}
.totals span:first-child{margin-right:auto}
.ledger{background:var(--card);border:1px solid var(--rule-strong);border-radius:6px;overflow-x:auto;
  background-image:linear-gradient(to right,transparent 42px,var(--margin) 42px,var(--margin) 43px,transparent 43px,transparent 46px,var(--margin) 46px,var(--margin) 47px,transparent 47px);
  background-repeat:no-repeat}
table{border-collapse:collapse;width:100%}
th,td{padding:9px 10px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
th{font-size:13px;color:var(--ink-2);font-weight:600;border-bottom:1px solid var(--rule-strong);white-space:nowrap}
td.sn,th.sn{width:44px;text-align:center;color:var(--ink-3);font-size:12.5px;padding-left:4px;padding-right:8px}
tbody tr.click{cursor:pointer}
tbody tr.click:hover td{background:var(--green-soft)}
tfoot td{font-weight:700;border-bottom:0;border-top:2px solid var(--rule-strong)}
td .sub{display:block;font-size:13px;color:var(--ink-2)}
.amt-out{color:var(--red)} .amt-in{color:var(--green)}
.empty{padding:28px 16px;text-align:center;color:var(--ink-2)}

.chip{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12.5px;font-weight:600;white-space:nowrap}
.chip.pending{background:var(--amber-soft);color:var(--amber)}
.chip.approved{background:var(--blue-soft);color:var(--blue)}
.chip.part{background:var(--blue-soft);color:var(--blue);outline:1px dashed var(--blue)}
.chip.paid{background:var(--green-soft);color:var(--green)}
.chip.rejected{background:var(--red-soft);color:var(--red)}
.chip.cancelled{background:var(--rule);color:var(--ink-2);text-decoration:line-through}
.chip.urgent{background:var(--red);color:#fff}

.meter{height:8px;background:var(--rule);border-radius:4px;overflow:hidden;min-width:90px}
.meter i{display:block;height:100%;background:var(--green)}
.meter i.warn{background:var(--amber)} .meter i.over{background:var(--red)}

/* drawer */
.scrim{position:fixed;inset:0;background:rgba(10,20,15,.45);display:none;z-index:40}
.scrim.on{display:block}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(640px,100%);background:var(--paper);box-shadow:var(--shadow);z-index:50;
  transform:translateX(105%);transition:transform .22s ease;display:flex;flex-direction:column;
  padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
.drawer.on{transform:none}
@media (prefers-reduced-motion:reduce){.drawer{transition:none}}
.drawer-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--rule-strong);background:var(--card)}
.drawer-head h2{font-size:21px}
.drawer-body{overflow-y:auto;padding:16px 18px 40px;flex:1}
.x{border:0;background:none;font-size:26px;line-height:1;cursor:pointer;color:var(--ink-2);padding:4px 8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.meta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px 16px;margin:4px 0 16px}
.meta div span{display:block;font-size:12.5px;color:var(--ink-3);font-weight:600}
.block{background:var(--card);border:1px solid var(--rule-strong);border-radius:6px;padding:14px;margin-bottom:14px}
.block h3{font-size:17px;margin-bottom:10px}
.lines td,.lines th{padding:6px 6px}
.lines input{min-height:34px;padding:6px 8px}
.lines .del{border:0;background:none;color:var(--red);font-size:20px;cursor:pointer}
.row-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.log{font-size:13.5px;color:var(--ink-2);margin:0;padding-left:18px}
.att{display:flex;flex-wrap:wrap;gap:8px}
.att a{display:block;border:1px solid var(--rule-strong);border-radius:5px;padding:4px;background:var(--card);font-size:12px;max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--blue)}
.att img{display:block;width:120px;height:90px;object-fit:cover;border-radius:3px;margin-bottom:3px}

/* the stamp */
.stamp{display:inline-block;transform:rotate(-7deg);border:3px double currentColor;border-radius:6px;padding:4px 12px 3px;font-family:var(--font-head);
  font-weight:700;font-size:20px;letter-spacing:.06em;text-align:center;line-height:1.05;opacity:.88}
.stamp small{display:block;font-family:var(--font);font-size:11px;font-weight:600;letter-spacing:0}
.stamp.g{color:var(--green)} .stamp.r{color:var(--red)} .stamp.b{color:var(--blue)}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--paper);
  padding:10px 16px;border-radius:6px;font-weight:600;z-index:60;display:none;max-width:90vw}
.toast.on{display:block}
.toast.err{background:var(--red);color:#fff}

#print-area{display:none}
@media print{
  body>*:not(#print-area){display:none!important}
  #print-area{display:block;color:#000;font-family:Arial,sans-serif;padding:10mm}
  #print-area table td,#print-area table th{border:1px solid #999;padding:5px}
  .sig{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
  .sig div{border-top:1px solid #000;padding-top:4px;font-size:12px;text-align:center}
}

@media (max-width:860px){
  .cols{grid-template-columns:1fr}
  .figs{grid-template-columns:1fr 1fr}
  .fig:nth-child(3){border-left:0}
  .fig:nth-child(n+3){border-top:1px solid var(--rule)}
}
@media (max-width:640px){
  main{padding:14px 12px 60px}
  .top-inner{padding:12px 12px 0} nav.tabs{padding:0 8px}
  .meta,.grid3{grid-template-columns:1fr 1fr}
  .grid2{grid-template-columns:1fr}
  .ledger{background-image:none}
  table.resp thead{display:none}
  table.resp tr{display:grid;grid-template-columns:1fr auto;gap:2px 12px;padding:10px 12px;border-bottom:1px solid var(--rule)}
  table.resp td{border:0;padding:0}
  table.resp td.sn,table.resp td.hide-m{display:none}
  table.resp td.num{grid-column:2}
  table.resp tfoot tr{display:flex;justify-content:space-between}
}

/* ---------- standalone app additions ---------- */
.login-wrap{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.login{width:min(380px,100%);background:var(--card);border:1px solid var(--rule-strong);border-radius:8px;padding:26px 22px 26px 38px;
  background-image:linear-gradient(to right,transparent 18px,var(--margin) 18px,var(--margin) 19px,transparent 19px,transparent 22px,var(--margin) 22px,var(--margin) 23px,transparent 23px);background-repeat:no-repeat}
.login h1{font-size:26px;line-height:1.1;margin-bottom:4px}
.login p{margin:0 0 18px;color:var(--ink-2);font-size:14px}
.login .field{margin-bottom:14px}
.login input{font-size:18px;min-height:46px;letter-spacing:.02em}
.login .btn{width:100%;min-height:46px;font-size:16px}
.login .err{color:var(--red);font-weight:600;min-height:22px;margin:0 0 8px;font-size:14px}
.who .btn.link{font-size:13.5px}
.menu{position:relative}
.menu-pop{position:absolute;right:0;top:calc(100% + 6px);background:var(--card);border:1px solid var(--rule-strong);border-radius:6px;box-shadow:var(--shadow);min-width:170px;z-index:30;display:none}
.menu-pop.on{display:block}
.menu-pop button{display:block;width:100%;text-align:left;background:none;border:0;padding:10px 14px;cursor:pointer;font-weight:600}
.menu-pop button:hover{background:var(--green-soft)}
.inactive td{color:var(--ink-3)}
.sync{font-size:12.5px;color:var(--ink-3)}

/* ---------- demand form on phones ---------- */
.add-item{min-height:34px;padding:5px 12px;font-size:14px}
#d-lines select{min-height:34px;padding:6px 8px}
@media (max-width:640px){
  #demand-form .grid3,#demand-form .grid2,#pay-form .grid3,#approve-form .grid2{grid-template-columns:1fr}
  #demand-form .field[style*="span 2"]{grid-column:auto!important}
  #demand-form input,#demand-form select,#demand-form textarea{font-size:16px;min-height:44px}
  #d-lines,#d-lines tbody,#d-lines tfoot{display:block;width:100%}
  #d-lines thead{display:none}
  #d-lines tbody tr{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;padding:12px;margin-bottom:10px;
    border:1px solid var(--rule-strong);border-radius:6px;background:var(--card);position:relative}
  #d-lines tbody td{padding:0;border:0;display:block}
  #d-lines tbody td:nth-child(1){grid-column:1/-1;padding-right:34px}
  #d-lines tbody td:nth-child(5){grid-column:1/-1;text-align:right;font-weight:700;font-size:16px}
  #d-lines tbody td:nth-child(5)::before{content:"Amount ";font-weight:500;color:var(--ink-2);font-size:13px}
  #d-lines tbody td:nth-child(6){position:absolute;top:10px;right:6px}
  #d-lines .del{font-size:26px;padding:4px 8px;line-height:1}
  #d-lines tfoot tr{display:flex;justify-content:space-between;align-items:center;gap:10px}
  #d-lines tfoot td{border:0;padding:4px 0}
  #d-lines tfoot td:empty{display:none}
  #d-total{font-size:18px}
  #demand-form .row-actions{position:sticky;bottom:0;background:var(--paper);padding:10px 0 calc(10px + env(safe-area-inset-bottom,0px));margin:0;border-top:1px solid var(--rule)}
  #demand-form .row-actions .btn{flex:1;min-height:48px;font-size:16px}
}
@media (max-width:640px){
  #d-lines tbody td:nth-child(2)::before{content:"Qty"}
  #d-lines tbody td:nth-child(3)::before{content:"Unit"}
  #d-lines tbody td:nth-child(4)::before{content:"Rate (Rs)"}
  #d-lines tbody td:nth-child(2)::before,#d-lines tbody td:nth-child(3)::before,#d-lines tbody td:nth-child(4)::before{display:block;font-size:12.5px;font-weight:600;color:var(--ink-2);margin-bottom:3px}
  #d-lines tfoot tr{flex-wrap:wrap}
  #d-lines tfoot td:first-child{flex:1 1 100%}
  #d-lines tfoot td:first-child .btn{width:100%}
  #d-lines tfoot td#d-total-cell{flex:1 1 100%;text-align:right;white-space:nowrap}
  #demand-form>div[style*="overflow-x"]{overflow:visible!important}
}

/* ---------- accounts ---------- */
.subnav{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}
.subnav button{border:1px solid var(--rule-strong);background:var(--card);border-radius:20px;padding:6px 14px;font-weight:600;cursor:pointer;color:var(--ink-2)}
.subnav button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.ledger-t td i{color:var(--ink-2)}
@media (max-width:640px){
  .subnav{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin:0 -12px 12px;padding:0 12px}
  .subnav button{white-space:nowrap}
  .figs .fig .s{font-size:12px}
  #receipt-form .grid2,#item-form .grid2{grid-template-columns:1fr}
}

/* ---------- audit ---------- */
.audit-md h3{font-size:17px;margin:14px 0 6px}
.audit-md h3:first-child{margin-top:0}
.audit-md ul{margin:0 0 6px;padding-left:20px}
.audit-md li{margin:3px 0}
.audit-md p{margin:6px 0}
.flag{margin-bottom:10px}
.flag .btn.link{margin-right:8px}

/* ---------- WhatsApp share ---------- */
.btn.wa{background:#1FAA59;border-color:#1FAA59;color:#fff}
.btn.wa::before{content:"";display:inline-block;width:16px;height:16px;margin-right:7px;vertical-align:-3px;border-radius:50%;border:2px solid #fff;border-bottom-left-radius:2px}
@media (max-width:640px){ .drawer .row-actions .btn.wa{flex:1 1 100%;min-height:48px;font-size:16px} }

@media (max-width:640px){
  .det-lines thead{display:none}
  .det-lines,.det-lines tbody,.det-lines tfoot{display:block;width:100%}
  .det-lines tbody tr{display:grid;grid-template-columns:auto auto 1fr auto;gap:2px 6px;padding:10px 0;border-bottom:1px solid var(--rule)}
  .det-lines tbody td{border:0;padding:0;text-align:left!important;color:var(--ink-2);font-size:14px}
  .det-lines tbody td:nth-child(1){grid-column:1/-1;color:var(--ink);font-weight:600;font-size:15px}
  .det-lines tbody td:nth-child(4)::before{content:"× "}
  .det-lines tbody td:nth-child(5){text-align:right!important;color:var(--ink);font-weight:600;font-size:15px}
  .det-lines tfoot tr{display:flex;justify-content:space-between;padding-top:8px}
  .det-lines tfoot td{border:0;padding:0}
}