:root{
  --canvas:#F5F6F1;
  --stage:#E6E8DF;
  --surface:#FFFFFF;
  --ink-1:#1C2531;
  --ink-2:#586170;
  --ink-3:#8A92A0;
  --line:#E6E8DE;
  --line-strong:#C9CDC0;
  --action:#202B3E;
  --action-hover:#2A3648;
  --focus:#3E63DD;
  --rent:#3D5C9C;
  --water:#1E7A6C;
  --power:#A3711C;
  --annotation:#5D44A8;
  --annotation-bg:#F4F1FB;
  --annotation-line:#D9D1EF;
  --success:#1F7A54;
  --success-bg:#EAF3EE;
  --success-line:#C2DDCE;
  --attention:#7E5712;
  --attention-bg:#F7F1DF;
  --attention-line:#E4D3A6;
  --serif:"Source Serif 4",Georgia,serif;
  --ui:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
body{
  margin:0;background:var(--canvas);color:var(--ink-1);
  font-family:var(--ui);font-size:15px;line-height:22px;font-weight:400;
  -webkit-font-smoothing:antialiased;
  padding-bottom:calc(64px + env(safe-area-inset-bottom));
}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;padding:0}
a{color:inherit}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}
.amt{font-variant-numeric:tabular-nums}
.cur{color:var(--ink-2)}

.topbar{
  position:sticky;top:0;z-index:10;background:var(--canvas);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;max-width:560px;margin:0 auto;
}
.topbar .brand{font-family:var(--serif);font-size:20px;font-weight:600;letter-spacing:-.01em}
.topbar .ctx{font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .spacer{flex:1}
.backbtn{width:40px;height:40px;flex:none;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-left:-8px}
.backbtn:hover{background:#ECEEE6}

.wrap{max-width:560px;margin:0 auto;padding:14px 20px 40px;min-height:60vh}

.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:10;
  background:var(--surface);border-top:1px solid var(--line);
  display:flex;justify-content:space-around;
  padding:6px 8px calc(6px + env(safe-area-inset-bottom));
}
.tabbar button{
  flex:1;max-width:180px;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:6px 0;border-radius:10px;font-size:11px;font-weight:500;color:var(--ink-2);
}
.tabbar button svg{color:var(--ink-3)}
.tabbar button.active{color:var(--ink-1)}
.tabbar button.active svg{color:var(--ink-1)}

.h1{font-family:var(--serif);font-size:22px;line-height:28px;font-weight:600;letter-spacing:-.01em;margin:6px 0 0}
.wordmark{font-family:var(--serif);font-size:30px;line-height:36px;font-weight:600;letter-spacing:-.015em;margin:0}
.tagline{font-family:var(--serif);font-size:20px;line-height:26px;font-weight:500;margin:10px 0 0}
.h2{font-size:17px;line-height:24px;font-weight:600;margin:24px 0 10px}
.h2:first-child{margin-top:8px}
.sec{font-size:13px;line-height:18px;color:var(--ink-2);margin:0}
.cap{font-size:12px;line-height:16px;color:var(--ink-2);margin:0}
.body{font-size:15px;line-height:22px;margin:0}
.gap{margin-top:16px}
.gap-lg{margin-top:24px}

.list{margin:12px -20px 0}
.row{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:14px 20px;min-height:60px;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:none}
.row:hover{background:#EFF0E9}
.row .main{flex:1;min-width:0}
.row .title{font-size:15px;line-height:22px;font-weight:500}
.row .subline{font-size:13px;line-height:18px;color:var(--ink-2);margin-top:2px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.row .right{flex:none;text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.row .chev{flex:none;color:var(--ink-3)}

.chip{display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;font-size:12px;line-height:16px;font-weight:500;border:1px solid}
.chip.attention{background:var(--attention-bg);border-color:var(--attention-line);color:var(--attention)}
.chip.success{background:var(--success-bg);border-color:var(--success-line);color:var(--success)}
.chip.neutral{background:var(--surface);border-color:var(--line-strong);color:var(--ink-2)}

.mark{width:8px;height:8px;border-radius:2px;flex:none;display:inline-block}
.mark.rent{background:var(--rent)}
.mark.water{background:var(--water)}
.mark.power{background:var(--power)}
.amt{font-size:15px;line-height:22px;font-weight:500}
.amt.lg{font-size:20px;line-height:26px;font-weight:600}
.tag{display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:6px;border:1px solid var(--annotation);color:var(--annotation);background:var(--surface);font-size:12px;line-height:16px;font-weight:500}

.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:4px 16px}
.crow{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.crow:last-child{border-bottom:none}
.crow .k{font-size:15px;line-height:22px}
.crow .k .sec{margin-top:1px}
.crow .v{font-size:15px;line-height:22px;font-weight:500;text-align:right}

.shead{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0 2px}
.shead .who{font-size:15px;line-height:22px;font-weight:600}
.swhen{padding:0 0 12px}
.srows{border-top:1px solid var(--line)}
.srow{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.srow .slabel{display:flex;align-items:center;gap:10px;font-size:15px;line-height:22px}
.srow.total{border-bottom:none;border-top:1px solid var(--line-strong);padding-top:13px;margin-top:-1px}
.srow.total .slabel{font-weight:600}
.srow.total .amt{font-size:20px;line-height:26px;font-weight:600}

.frow{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.frow:last-child{border-bottom:none}
.frow .flabel{flex:1;min-width:0}
.frow .flabel .k{font-size:15px;line-height:22px}
.fctl{flex:none;width:142px}
.inp{width:100%;height:52px;border:1px solid var(--line-strong);border-radius:12px;background:var(--surface);color:var(--ink-1);font-family:var(--ui);font-size:16px;padding:0 14px;font-variant-numeric:tabular-nums}
.inp:focus{outline:none;border-color:var(--ink-1);box-shadow:0 0 0 3px rgba(62,99,221,.18)}
.inp-wrap{position:relative}
.inp-wrap .rupee{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-2);font-size:15px;pointer-events:none}
.inp-wrap .inp{padding-left:30px}
input[type=date].inp{padding-left:14px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:52px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-size:15px;line-height:22px;font-weight:600;text-align:center}
.btn.primary{background:var(--action);color:#F5F6F1}
.btn.primary:hover{background:var(--action-hover)}
.btn.secondary{background:var(--surface);border-color:var(--line-strong);color:var(--ink-1)}
.btn.secondary:hover{border-color:var(--ink-2)}
.btn.full{width:100%}
.btn[disabled]{opacity:.5;cursor:default}
.btnlink{font-size:13px;font-weight:500;color:var(--ink-2);text-decoration:underline}
.btnlink:hover{color:var(--ink-1)}

.search{position:relative;margin-top:14px}
.search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--ink-3);pointer-events:none}
.search .inp{height:44px;padding-left:38px}
.pagefoot{display:flex;align-items:center;justify-content:space-between;padding:12px 0 0}
.pager{display:flex;gap:8px}
.pgbtn{height:36px;padding:0 14px;border:1px solid var(--line-strong);border-radius:10px;background:var(--surface);font-size:13px;line-height:18px;font-weight:500}
.pgbtn:hover:not(:disabled){border-color:var(--ink-2)}
.pgbtn:disabled{opacity:.4;cursor:default}

details.addform{margin-top:20px}
details.addform summary{list-style:none;display:flex;align-items:center;justify-content:center;height:52px;border:1px solid var(--line-strong);border-radius:12px;background:var(--surface);font-size:15px;font-weight:600;cursor:pointer}
details.addform summary::-webkit-details-marker{display:none}
details.addform[open] summary{border-color:var(--ink-2)}
details.addform .formcard{margin-top:12px}

.entry{padding:14px 0;border-bottom:1px solid var(--line)}
.entry:last-child{border-bottom:none}
.entry-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.entry-sub{margin-top:6px;display:flex;align-items:flex-start;gap:8px;flex-wrap:wrap}
.corr{margin-top:12px;margin-left:2px;padding:2px 0 2px 14px;border-left:2px solid var(--annotation)}
.entry-actions{margin-top:8px}

.note{margin-top:20px;border:1px dashed var(--annotation-line);background:var(--annotation-bg);border-radius:12px;padding:10px 12px;font-size:12px;line-height:17px;color:var(--ink-2)}
.note b{font-weight:600;color:var(--annotation)}

.center{display:flex;flex-direction:column;align-items:center;text-align:center;padding:28px 8px 12px}
.center .h1{margin-top:20px}
.center .body{color:var(--ink-2);margin-top:10px;max-width:36ch}
.center .cap{margin-top:14px}
.glyph{color:var(--ink-1)}

.chart-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0 6px}
.chart-head .who{font-size:15px;line-height:22px;font-weight:600}
.legend{display:flex;align-items:center;gap:12px;font-size:12px;line-height:16px;color:var(--ink-2)}
.legend .li{display:inline-flex;align-items:center;gap:6px}
.chart{display:block;width:100%;height:auto}
.chart .pw{fill:var(--power)}
.chart .wt{fill:var(--water)}
.chart .grid{stroke:var(--line)}
.chart .base{stroke:var(--line-strong)}
.chart text{font-family:var(--ui);font-size:11px;fill:var(--ink-2)}

.empty{padding:30px 8px;text-align:center;color:var(--ink-2)}
.empty .big{font-family:var(--serif);font-size:18px;font-weight:600;color:var(--ink-1);margin-bottom:4px}

.toast{
  position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom));
  background:var(--ink-1);color:#F5F6F1;font-size:13px;padding:10px 16px;border-radius:12px;
  z-index:20;max-width:min(480px,90vw);
}
.toast.error{background:#7A2E2E}

@media (min-width:640px){
  .topbar,.wrap{border-left:1px solid var(--line);border-right:1px solid var(--line);background:var(--canvas)}
  .tabbar{padding-bottom:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}