:root{
  --bg:#f6fafd; --card:#fff; --ink:#0f172a; --muted:#5b6b86; --line:#e6ebf2;
  --g1:#439a40; --g2:#5fc5a3; --green:#3f9a45; --red:#e5303c; --soft:#eef2f7;
  --radius:24px;
}
*{box-sizing:border-box;margin:0}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans Malayalam",sans-serif;background:var(--bg);color:var(--ink);font-size:14px;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a{color:inherit;text-decoration:none}
.wrap{max-width:1008px;margin:0 auto;padding:0 16px}

/* top bar */
.nav{background:#fff;border-bottom:1px solid var(--line);height:56px}
.nav .wrap{display:flex;align-items:center;height:56px;position:relative}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px}
.logo{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--g1),var(--g2));display:grid;place-items:center;color:#fff}
.logo svg{width:16px;height:16px}
.links{position:absolute;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.links a{padding:6px 12px;border-radius:10px;color:var(--muted);font-weight:500}
.links a.on{background:var(--soft);color:var(--ink)}
.links a:hover{color:var(--ink)}
.icon-btn{margin-left:auto;padding:6px;border-radius:8px;display:grid;place-items:center}
.icon-btn:hover{background:var(--soft)}
svg.i{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

main{padding:28px 0 48px}
h1{font-size:24px;font-weight:700;letter-spacing:-.01em}
h2{font-size:16px;font-weight:600}
.head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.sect{font-size:18px;font-weight:600;margin:32px 0 16px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 1px 3px rgba(15,23,42,.08);padding:24px;margin-bottom:24px}
.card.flush{padding:0;overflow:hidden}
.card.flush>h2{padding:16px 16px;border-bottom:1px solid var(--line);font-size:16px}
.muted{color:var(--muted)}
.center{text-align:center}

/* buttons / forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:36px;padding:0 16px;border-radius:12px;font-weight:600;font-size:13px;background:#f6f9fc;border:1px solid var(--line);box-shadow:0 1px 2px rgba(15,23,42,.08)}
.btn:hover{background:var(--soft)}
.btn.primary{background:linear-gradient(90deg,var(--g1),var(--g2));color:#fff;border:0}
.btn.primary:hover{filter:brightness(1.05)}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
label{display:block;font-weight:500;margin:0 0 6px;font-size:13px}
.field{margin-bottom:16px}
.field .row{display:flex;justify-content:space-between;align-items:baseline}
.field .row a{font-size:12px;color:var(--muted)}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],select{width:100%;height:36px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 1px 2px rgba(15,23,42,.05);outline:0}
input:focus,select:focus{border-color:var(--g2);box-shadow:0 0 0 3px rgba(95,197,163,.25)}
input[readonly]{background:#f3f6fa}
input[disabled]{color:#8a97ab;background:#fafbfd}
::placeholder{color:#7d8aa0}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 12px}
.grid3[hidden]{display:none}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px 12px}
.toggle{display:flex;gap:12px;align-items:flex-start;margin:0 0 20px;cursor:pointer}
.toggle input{width:18px;height:18px;margin-top:2px;accent-color:var(--g1);flex:none}
.toggle b{display:block;font-weight:600}
.toggle small{color:var(--muted);font-size:12px}
.err{color:var(--red);font-size:13px;margin-bottom:12px;min-height:0}
.ok{color:var(--green);font-size:13px;margin-bottom:12px;word-break:break-all}

.seg{display:grid;grid-template-columns:1fr 1fr;background:var(--soft);padding:3px;border-radius:12px;margin-bottom:20px}
.seg button{height:30px;border-radius:10px;font-weight:500;color:var(--muted)}
.seg button.on{background:#f8fbfe;color:var(--ink);box-shadow:0 1px 2px rgba(15,23,42,.12)}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:500;font-size:13px}
.chip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c)}
.chip.on{background:var(--c);border-color:var(--c);color:#fff}
.chip.on::before{background:#fff}
.swatches{display:flex;gap:8px;margin-bottom:16px}
.sw{width:32px;height:32px;border-radius:50%;background:var(--c);border:2px solid transparent;padding:0}
.sw.on{border-color:#0f172a}

/* dashboard */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}
.stat{margin:0;padding:20px;border-radius:24px}
.stat .lab{display:flex;justify-content:space-between;color:var(--muted);font-size:14px}
.stat .num{font-size:32px;font-weight:700;margin-top:10px;letter-spacing:-.01em}
.g{color:var(--green)} .r{color:var(--red)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.two .card{min-height:0}
.row-item{display:flex;align-items:center;gap:10px}
.dot{width:8px;height:8px;border-radius:50%;flex:none;background:var(--c)}
.list>div{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.list .t{font-weight:600;font-size:13px}
.list .s{font-size:12px;color:var(--muted)}
.list.big>div{padding:14px 0}
.list.big .amt{font-size:16px;font-weight:600}
.bar{height:6px;border-radius:6px;background:var(--soft);margin-top:6px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--c);border-radius:6px}
.pm>div{display:flex;justify-content:space-between;padding:8px 0;font-weight:500}
.pm b{font-weight:700;font-size:15px}

/* rows with border (transactions / settings) */
.rows>div{display:flex;align-items:center;gap:12px;padding:16px;border-top:1px solid var(--line)}
.rows>div:first-child{border-top:0}
.rows .main{flex:1;min-width:0}
.rows .t{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis}
.rows .s{font-size:12px;color:var(--muted);display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-top:4px}
.tag{display:inline-flex;align-items:center;gap:4px;font-size:11px;padding:1px 8px;border-radius:999px;border:1px solid var(--line);color:var(--c);background:#fff}
.tag::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c)}
.note{font-size:10px;line-height:1.3;color:var(--muted);margin-top:2px;max-width:320px;overflow-wrap:anywhere}
.boxes{font-size:11px;font-weight:600;color:#b8890b;margin-top:2px}
.rows .amt{font-weight:700;font-size:16px}
.del{padding:6px;border-radius:8px;color:#0f172a}
.del:hover{background:var(--soft);color:var(--red)}
.empty{padding:24px;text-align:center;color:var(--muted)}
.more{display:block;margin:0 auto 24px}

/* auth */
.auth{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px}
.auth .brand{margin-bottom:32px}
.auth .card{width:100%;max-width:448px;padding:32px;margin:0}
.auth h1{font-size:24px}
.auth .sub{color:var(--muted);margin:4px 0 24px}
.auth .alt{text-align:center;color:var(--muted);margin-top:16px}
.auth .alt a{cursor:pointer}.auth .alt a:hover{color:var(--ink)}

.skeleton{height:120px;border-radius:24px;background:linear-gradient(90deg,#eef2f7,#f8fafc,#eef2f7);background-size:200% 100%;animation:sk 1.1s infinite linear}
@keyframes sk{to{background-position:-200% 0}}
#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:#0f172a;color:#fff;padding:10px 18px;border-radius:12px;opacity:0;pointer-events:none;transition:.2s}
#toast.show{opacity:1;transform:translate(-50%,0)}

/* receivables */
.btns{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.narrow{max-width:640px;margin:0 auto}
.back{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-weight:500}
.back:hover{color:var(--ink)}
.rcv-total{background:var(--soft);border-radius:16px;padding:16px;margin-bottom:24px}
.rcv-total .big{font-size:36px;font-weight:700;margin-top:4px;letter-spacing:-.01em}
.rule{border:0;border-top:1px solid var(--line);margin:24px 0}
.rhead{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}
.rhead h2,.rh2{font-size:18px;font-weight:600}
.rh2{margin:24px 0 12px}
.rcard,.rdone{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 14px;margin-bottom:12px}
.rcard{border:1.5px solid var(--c,var(--line))}
.rtop{display:flex;align-items:center;gap:8px}
.rname{font-weight:500;font-size:16px;flex:1;min-width:0;overflow-wrap:anywhere}
.rname .chip{height:auto;min-height:32px;padding:5px 14px;overflow-wrap:anywhere;font-size:14px}
.rorig{font-size:12px;color:var(--muted);margin:10px 0 12px}
.rbal{display:flex;gap:8px}
.rbal input{flex:1;min-width:0;height:40px;border-radius:12px}
.rsave{height:40px;min-width:92px;color:var(--ink)}
.rsave[disabled]{opacity:1;color:#8a97ab;background:var(--soft)}
.rsave:not([disabled]){background:linear-gradient(90deg,var(--g1),var(--g2));color:#fff;border:0}
.rsave.saved{background:#d7f3e0!important;color:#2f8a4e!important}
.badge{font-size:11px;font-weight:500;padding:2px 10px;border-radius:999px;white-space:nowrap}
.badge.pend{background:#fde3d8;color:#b5461f}
.badge.paid{background:#d7f3e0;color:#2f8a4e}
.rdone{display:flex;align-items:center;gap:8px;background:#f8fafc}
.rdone>div:first-child{flex:1;min-width:0}
.strike{text-decoration:line-through;color:var(--muted)}
.small{font-size:12px}
.links .ni{display:none}
@media(max-width:760px){
  .nav .wrap{height:56px}
  .links{position:fixed;left:0;right:0;bottom:0;top:auto;transform:none;z-index:20;background:#fff;border-top:1px solid var(--line);justify-content:space-around;gap:0;padding:8px 4px calc(8px + env(safe-area-inset-bottom))}
  .links a{display:flex;flex-direction:column;align-items:center;gap:4px;flex:1;padding:2px 0;font-size:11px;font-weight:500;border-radius:0;background:none;color:var(--muted)}
  .links a.on{background:none;color:var(--g1)}
  .links .ni{display:block}
  .links .ni svg{width:22px;height:22px}
  main{padding-bottom:96px}
  #toast{bottom:84px}
  .stats,.two,.grid2{grid-template-columns:1fr}
  .stat .num{font-size:26px}
  .card{padding:20px}
  .card.flush{padding:0}
  .note{max-width:none}
}