/* TechSolution — no-nonsense bahi-khata UI. Green = inflow/active, Red = due/overdue/expired. */
:root{--bg:#f1f5f9;--card:#fff;--ink:#0f172a;--mut:#475569;--line:#cbd5e1;--soft:#e2e8f0;--g:#15803d;--gbg:#dcfce7;--r:#b91c1c;--rbg:#fee2e2;--y:#a16207;--ybg:#fef9c3;--b:#1d4ed8;--bbg:#dbeafe}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Devanagari","Noto Sans",sans-serif}
a{color:var(--b)}
h1,h2,h3{margin:0 0 8px;line-height:1.25}
h1{font-size:20px}h2{font-size:17px}h3{font-size:15px}
.wrap{max-width:1100px;margin:0 auto;padding:10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px;margin:0 0 10px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.row>.grow{flex:1 1 auto;min-width:0}
.grid2>*,.grid3>*{min-width:0}
input[type=date]{min-width:0;max-width:100%}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.stats .card{padding:8px}.stats b{font-size:19px!important}
.c-name{min-width:128px}
.apphead .row{flex-wrap:nowrap;align-items:flex-start}
.rhead{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}.rhead>div:first-child{flex:1;min-width:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
@media (max-width:560px){.grid3{grid-template-columns:1fr 1fr}}
.muted{color:var(--mut)}.small{font-size:12.5px}.tiny{font-size:11.5px}
.right{text-align:right}.center{text-align:center}.nowrap{white-space:nowrap}
.hide{display:none!important}
.g{color:var(--g)!important}.r{color:var(--r)!important}
/* buttons + inputs */
button,.btn{font:inherit;font-weight:600;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;padding:9px 12px;min-height:40px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}
button:disabled{opacity:.5;cursor:not-allowed}
.btn-g{background:var(--g);border-color:var(--g);color:#fff}
.btn-r{background:var(--r);border-color:var(--r);color:#fff}
.btn-b{background:var(--b);border-color:var(--b);color:#fff}
.btn-dark{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-sm{min-height:32px;padding:5px 9px;font-size:13px}
.btn-block{width:100%}
label{display:block;font-size:13px;font-weight:600;color:var(--mut);margin:6px 0 3px}
input,select,textarea{font:inherit;width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 10px;background:#fff;color:var(--ink);min-height:40px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--b);outline-offset:0;border-color:var(--b)}
input[type=checkbox],input[type=radio]{width:auto;min-height:0;transform:scale(1.25);margin:0 6px 0 2px}
.chk{display:block;font-weight:500;color:var(--ink);margin:7px 0;line-height:1.5}.chk input{vertical-align:-2px}
textarea{min-height:70px}
/* top admin control bar */
.topbar{position:sticky;top:0;z-index:30;background:#0f172a;color:#fff;display:flex;gap:6px;align-items:center;overflow-x:auto;padding:6px 8px;white-space:nowrap}
.topbar a,.topbar button,.topbar select{color:#fff;background:#1e293b;border:1px solid #334155;border-radius:7px;padding:6px 9px;font-size:13px;min-height:34px;text-decoration:none;width:auto}
.topbar a.on{background:#2563eb;border-color:#2563eb}
.topbar .tb-l{font-weight:700;color:#93c5fd;margin-right:4px}
/* app header */
.apphead{background:#fff;border-bottom:1px solid var(--line);padding:8px 10px}
.apphead .shop{font-weight:800;font-size:16px}
.meter{font-size:12px;color:var(--mut)}
.bar{height:6px;background:var(--soft);border-radius:4px;overflow:hidden;margin-top:3px}
.bar>i{display:block;height:100%;background:var(--g)}
.bar.warn>i{background:var(--r)}
.banner{padding:8px 10px;font-weight:600;font-size:14px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.banner.ok{background:var(--gbg);color:#14532d;border-bottom:1px solid #86efac}
.banner.warn{background:var(--ybg);color:#713f12;border-bottom:1px solid #fde047}
.banner.bad{background:var(--rbg);color:#7f1d1d;border-bottom:1px solid #fca5a5}
/* money cards */
.money{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mcard{border-radius:10px;padding:10px;border:2px solid}
.mcard .lbl{font-size:13px;font-weight:700}
.mcard .amt{font-size:24px;font-weight:800;margin:2px 0}
.mcard.in{background:var(--gbg);border-color:var(--g);color:#14532d}
.mcard.due{background:var(--rbg);border-color:var(--r);color:#7f1d1d}
@media (max-width:380px){.mcard .amt{font-size:20px}}
/* tabs */
.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;position:sticky;top:0;z-index:20;background:var(--bg);padding:6px 0}
.tabs button{flex-direction:column;gap:0;font-size:12px;line-height:1.2;padding:6px 2px;min-height:52px;border-radius:8px}
.tabs button b{font-size:18px}
.tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
/* tables (bahi-khata) */
.tbl{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
.tbl th{background:#f8fafc;color:var(--mut);font-size:12px;text-align:left;padding:7px 6px;border-bottom:2px solid var(--line);position:sticky;top:0}
.tbl td{padding:7px 6px;border-bottom:1px solid var(--soft);vertical-align:middle}
.tbl tr:nth-child(even) td{background:#fbfdff}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tblwrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;max-height:70vh;overflow-y:auto}
.thumb{width:44px;height:44px;border-radius:6px;object-fit:cover;background:var(--soft);display:block}
.badge{display:inline-block;font-size:11.5px;font-weight:700;padding:2px 7px;border-radius:999px;border:1px solid;white-space:nowrap}
.b-g{background:var(--gbg);color:#14532d;border-color:#86efac}
.b-r{background:var(--rbg);color:#7f1d1d;border-color:#fca5a5}
.b-y{background:var(--ybg);color:#713f12;border-color:#fde047}
.b-b{background:var(--bbg);color:#1e3a8a;border-color:#93c5fd}
.b-k{background:#f1f5f9;color:#334155;border-color:#cbd5e1}
/* modal */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:50;display:flex;align-items:flex-end;justify-content:center}
.modal .sheet{background:#fff;width:100%;max-width:640px;max-height:92vh;overflow:auto;border-radius:14px 14px 0 0;padding:12px 12px 18px}
@media (min-width:700px){.modal{align-items:center}.modal .sheet{border-radius:14px}}
.sheet .mh{display:flex;justify-content:space-between;align-items:center;position:sticky;top:-12px;background:#fff;padding:4px 0 8px;z-index:2;border-bottom:1px solid var(--soft);margin-bottom:8px}
.toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);background:#0f172a;color:#fff;padding:10px 14px;border-radius:10px;z-index:80;max-width:92vw;font-size:14px;box-shadow:0 4px 18px rgba(0,0,0,.25)}
.toast.bad{background:var(--r)}.toast.good{background:var(--g)}
/* photo engine */
.ph-grid{display:flex;gap:8px;flex-wrap:wrap}
.ph-item{width:104px}
.ph-item img{width:104px;height:104px;object-fit:cover;border-radius:8px;border:1px solid var(--line);display:block}
.zap{display:inline-block;background:var(--gbg);color:#14532d;border:1px solid #86efac;font-size:11.5px;font-weight:700;padding:3px 6px;border-radius:6px;margin-top:4px;line-height:1.25}
.qbox{border:1px dashed var(--line);border-radius:10px;padding:10px;background:#f8fafc}
.pre{background:#0f172a;color:#e2e8f0;border-radius:8px;padding:10px;font:12px/1.45 ui-monospace,Menlo,Consolas,monospace;white-space:pre-wrap;word-break:break-word;max-height:380px;overflow:auto}
.qr{display:flex;justify-content:center;padding:6px}
.qr canvas,.qr img{width:200px;height:200px;image-rendering:pixelated;border:6px solid #fff;outline:1px solid var(--line)}
.lockcard{border:2px solid var(--r);background:var(--rbg);color:#7f1d1d;margin-top:30px}
.login{max-width:420px;margin:24px auto}
.logo{font-weight:900;font-size:22px}.logo span{color:var(--g)}
.list-item{display:flex;gap:8px;align-items:center;padding:8px;border-bottom:1px solid var(--soft)}
.pick{max-height:220px;overflow:auto;border:1px solid var(--line);border-radius:8px}
.pick .list-item{cursor:pointer}.pick .list-item:hover{background:#f8fafc}
.lines td input{min-height:34px;padding:5px 6px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{border:0;border-radius:0;min-height:36px}
.seg button.on{background:var(--ink);color:#fff}
/* public shop */
.shopgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
.pcard img{width:100%;aspect-ratio:1/1;object-fit:cover;background:var(--soft);display:block}
.pcard .pb{padding:8px;display:flex;flex-direction:column;gap:4px;flex:1}
.pcard .pn{font-weight:700;font-size:14px}
.pcard .pp{font-weight:800;color:var(--g)}
.cartbar{position:sticky;bottom:0;background:#fff;border-top:2px solid var(--g);padding:10px;display:flex;gap:8px;align-items:center;z-index:10}
/* receipt */
.receipt{max-width:560px;margin:10px auto;background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px;position:relative;overflow:hidden}
.receipt .wm{position:absolute;inset:0;pointer-events:none;display:flex;align-items:center;justify-content:center;font-size:44px;font-weight:900;color:rgba(15,23,42,.06);transform:rotate(-28deg);white-space:nowrap;text-transform:uppercase}
.receipt .tot td{font-weight:800}
@media print{.noprint,.topbar{display:none!important}body{background:#fff}.receipt{border:0;margin:0;max-width:none}.wm{color:rgba(15,23,42,.08)!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}}
.kv{display:grid;grid-template-columns:auto 1fr;gap:3px 10px;font-size:14px}
.kv b{color:var(--mut);font-weight:600}
details>summary{cursor:pointer;font-weight:700;padding:4px 0}
.steps li{margin:3px 0}