:root{
  --green:#2e6b1f;--green-d:#1f4d14;--lime:#8dc63f;--tint:#eef5e4;
  --ink:#1b2418;--muted:#66725f;--line:#dce1d3;--paper:#f5f6f1;--card:#fff;
  --amber:#8a5600;--amber-bg:#fdf1d6;--red:#b42318;--red-bg:#fdecea;--ok-bg:#e9f4df;--grey-bg:#ebede6;
  --r:8px;--side:232px;
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 15px/1.5 var(--sans)}
a{color:var(--green)}
h1,h2,h3{margin:0;font-weight:600;line-height:1.25}
h2{font-size:1.05rem}
small,.muted{color:var(--muted)}
.ic{width:20px;height:20px;flex:none}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}

/* ---------- shell ---------- */
.side{display:none}
.top{position:sticky;top:0;z-index:20;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:8px 14px;padding-top:calc(8px + env(safe-area-inset-top))}
.top .brand img{height:34px;display:block}
.top .ttl{font-weight:600}
.main{padding:14px 14px calc(92px + env(safe-area-inset-bottom));max-width:1100px;margin:0 auto}
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--card);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);align-items:center;padding-bottom:env(safe-area-inset-bottom)}
.tabbar a,.tabbar button{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0;font:500 11px var(--sans);color:var(--muted);text-decoration:none;background:none;border:0;cursor:pointer}
.tabbar .on{color:var(--green)}
.tabbar .fab{width:52px;height:52px;border-radius:50%;background:var(--green);color:#fff;justify-self:center;justify-content:center;margin-top:-18px;padding:0;border:4px solid var(--paper)}
.tabbar .fab .ic{width:24px;height:24px}
.sheet-more[hidden]{display:none}
.sheet-more{position:fixed;inset:0;z-index:40}
.sheet-bg{position:absolute;inset:0;background:rgba(20,30,15,.45)}
.sheet-box{position:absolute;left:0;right:0;bottom:0;background:var(--card);border-radius:14px 14px 0 0;padding:10px 8px calc(14px + env(safe-area-inset-bottom))}
.sheet-box a{display:flex;align-items:center;gap:12px;padding:14px 12px;color:var(--ink);text-decoration:none;border-radius:var(--r)}
.sheet-box a:active{background:var(--tint)}

@media(min-width:900px){
  .top,.tabbar,.sheet-more{display:none}
  .side{display:flex;flex-direction:column;gap:14px;position:fixed;inset:0 auto 0 0;width:var(--side);background:var(--card);border-right:1px solid var(--line);padding:18px 14px}
  .side .brand img{width:100%;max-width:170px;display:block;margin:0 auto 4px}
  .side nav{display:flex;flex-direction:column;gap:2px}
  .side nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--r);color:var(--ink);text-decoration:none;font-weight:500}
  .side nav a:hover{background:var(--paper)}
  .side nav a.on{background:var(--tint);color:var(--green-d);box-shadow:inset 3px 0 0 var(--lime)}
  .who{margin-top:auto;font-size:13px;color:var(--muted)}
  .who div{display:flex;flex-direction:column;margin-bottom:4px;color:var(--ink)}
  .who small{font-size:12px}
  .main{margin-left:var(--side);max-width:none;padding:26px 32px 40px}
  .main>*{max-width:1040px}
}

/* ---------- basics ---------- */
.flash{padding:10px 14px;border-radius:var(--r);margin-bottom:12px;font-size:14px;background:var(--ok-bg);color:#27500a}
.flash.err{background:var(--red-bg);color:var(--red)}
.flash.warn{background:var(--amber-bg);color:var(--amber)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px}
.card.narrow{max-width:26rem}
.card>h2{margin-bottom:12px}
.pagehead{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.pagehead h1{font-size:1.35rem}
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:1fr}.g3{grid-template-columns:1fr}.g4{grid-template-columns:1fr 1fr}
@media(min-width:700px){.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}}
label{display:block;font-size:13px;color:var(--muted);font-weight:500}
label>input,label>select,label>textarea{margin-top:4px}
input,select,textarea{width:100%;font:400 16px var(--sans);color:var(--ink);background:#fff;border:1px solid #c9d1bd;border-radius:var(--r);padding:10px 11px;min-height:44px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(141,198,63,.3)}
input[type=checkbox]{width:auto;min-height:0}
textarea{resize:vertical}
.hint{font-size:12px;color:var(--muted);margin-top:4px}
.fielderr{font-size:12px;color:var(--red);margin-top:4px}
input.bad{border-color:var(--red)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 16px;border-radius:var(--r);border:1px solid #c9d1bd;background:#fff;color:var(--ink);font:500 15px var(--sans);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--paper)}
.btn.primary{background:var(--green);border-color:var(--green);color:#fff}
.btn.primary:hover{background:var(--green-d)}
.btn.danger{color:var(--red);border-color:#e6b9b3}
.btn.small{min-height:36px;padding:0 12px;font-size:14px}
.btn.wide{width:100%}
.btn[disabled]{opacity:.55;cursor:wait}

.chip{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;background:var(--grey-bg);color:#444b3f}
.chip.dispatched{background:var(--amber-bg);color:var(--amber)}
.chip.delivered{background:var(--ok-bg);color:#27500a}
.chip.cancelled{background:var(--red-bg);color:var(--red)}
.num{font-family:var(--mono);font-weight:500;letter-spacing:-.01em;white-space:nowrap}
.right{text-align:right}

/* ---------- dashboard ---------- */
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
@media(min-width:700px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.stat small{display:block;font-size:12px}
.stat b{font-size:1.35rem;font-weight:600;font-variant-numeric:tabular-nums}
.stat.hi{background:var(--tint);border-color:#cfe2b8}

/* ---------- lists: table on desktop, cards on phone ---------- */
.tbl{width:100%;border-collapse:collapse}
.tbl th{font-size:12px;color:var(--muted);font-weight:500;text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}
.tbl td{padding:10px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl a.rowlink{text-decoration:none;color:inherit}
@media(max-width:699px){
  .tbl thead{display:none}
  .tbl,.tbl tbody,.tbl tr,.tbl td{display:block;width:100%}
  .tbl tr{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:10px;position:relative}
  .tbl td{border:0;padding:2px 0}
  .tbl td[data-l]::before{content:attr(data-l) ' ';font-size:12px;color:var(--muted)}
  .tbl td.main-c{font-weight:600;font-size:16px}
  .tbl td.right{text-align:left}
  .tbl td.tag{position:absolute;top:10px;right:12px;width:auto}
  .card .tbl tr{border-radius:10px}
}
.filters{display:grid;gap:10px;grid-template-columns:1fr 1fr;margin-bottom:12px}
.filters .wide2{grid-column:1/-1}
@media(min-width:900px){.filters{grid-template-columns:2fr 1fr 1fr 1fr auto;align-items:end}.filters .wide2{grid-column:auto}}
.pager{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:10px}
.empty{text-align:center;padding:28px 12px;color:var(--muted)}
.empty b{display:block;color:var(--ink);font-size:1.05rem;margin-bottom:4px}

/* ---------- challan form ---------- */
.noband{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--tint);border:1px solid #cfe2b8;border-radius:12px;padding:12px 16px;margin-bottom:14px}
.noband .num{font-size:1.6rem;color:var(--green-d)}
.noband small{display:block}
.ac{position:relative}
.ac-list{position:absolute;left:0;right:0;top:100%;margin-top:4px;background:#fff;border:1px solid #b7c2a8;border-radius:var(--r);z-index:15;max-height:280px;overflow:auto;box-shadow:0 8px 24px rgba(27,36,24,.12)}
.ac-list[hidden]{display:none}
.ac-list{color:var(--ink);font-weight:400;text-align:left}
.ac-opt{padding:10px 12px;border-bottom:1px solid var(--line);cursor:pointer;font-size:14px}
.ac-opt:last-child{border-bottom:0}
.ac-opt.act,.ac-opt:hover{background:var(--tint)}
.ac-opt small{display:block;font-size:12px}
.ac-add{color:var(--green);font-weight:500}
.picked{margin-top:8px;padding:9px 12px;background:var(--paper);border-radius:var(--r);font-size:13px;line-height:1.5}
.picked b{font-weight:600}
.picked .x{float:right;background:none;border:0;color:var(--muted);cursor:pointer;padding:0}
.lines{display:flex;flex-direction:column;gap:10px}
.line{display:grid;gap:8px;grid-template-columns:1fr 1fr;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:10px;position:relative}
.line .l-desc{grid-column:1/-1}
.line .l-amt{display:flex;flex-direction:column;justify-content:flex-end;text-align:right}
.line .l-amt b{font-family:var(--mono);font-weight:500;padding:10px 0}
.line .l-del{position:absolute;top:-8px;right:-8px;width:28px;height:28px;border-radius:50%;background:#fff;border:1px solid #c9d1bd;color:var(--muted);display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0}
.line .l-del .ic{width:14px;height:14px}
.line label span{display:block;font-size:12px}
@media(min-width:760px){
  .line{grid-template-columns:2.4fr .9fr .8fr .9fr 1fr;align-items:end;padding:10px 12px}
  .line .l-desc{grid-column:auto}
  .line .l-del{top:auto;right:-10px;bottom:16px}
}
.totals{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);flex-wrap:wrap}
.totals .big{font-size:1.4rem;font-family:var(--mono);font-weight:500}
.actionbar{display:flex;gap:10px;flex-wrap:wrap;position:sticky;bottom:calc(76px + env(safe-area-inset-bottom));background:linear-gradient(to top,var(--paper) 70%,transparent);padding:10px 0 4px}
.actionbar .btn{flex:1 1 140px}
@media(min-width:900px){.actionbar{bottom:0}.actionbar .btn{flex:0 0 auto}}
dialog{border:0;border-radius:14px;padding:18px;width:min(92vw,30rem);box-shadow:0 20px 60px rgba(0,0,0,.3)}
dialog::backdrop{background:rgba(20,30,15,.5)}
dialog h2{margin-bottom:12px}

/* ---------- challan detail ---------- */
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:14px}
.kv dt{color:var(--muted)}.kv dd{margin:0}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.log{font-size:13px}.log li{padding:6px 0;border-bottom:1px solid var(--line);list-style:none}
.log{padding:0;margin:0}
.log em{color:var(--muted);font-style:normal}

/* ---------- login ---------- */
body.login{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px}
.login-card{width:100%;max-width:24rem;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:12px}
.login-card img{width:170px;margin:0 auto}
.login-card h1{font-size:1.15rem;text-align:center;margin-bottom:4px}

/* ---------- printable challan (screen + print) ---------- */
body.doc{background:#d9dccf}
.doc-bar{position:sticky;top:0;z-index:10;background:var(--card);border-bottom:1px solid var(--line);padding:8px 12px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.doc-bar .sp{flex:1}
.doc-wrap{padding:14px 0 40px;overflow:hidden}
.paper{position:relative;width:190mm;min-height:270mm;margin:0 auto;background:#fff;color:#000;padding:0;font:400 13px/1.35 var(--sans);transform-origin:top center}
.paper .frame{border:1.2px solid #000;min-height:270mm;display:flex;flex-direction:column}
.paper table{border-collapse:collapse;width:100%}
.paper td,.paper th{border:1px solid #000;padding:4px 7px;vertical-align:top}
.paper .ph td{border:0;border-bottom:1.2px solid #000}
.paper .ph img{height:64px;display:block}
.paper .ph h1{font-size:22px;letter-spacing:.02em;text-align:center}
.paper .lab{font-weight:600}
.paper .blk{font-size:13px}
.paper .blk b{font-weight:600}
.paper .items th{text-align:center;font-weight:600;background:#fff}
.paper .items td{height:26px}
.paper .r{text-align:right}.paper .c{text-align:center}
.paper .tot td{font-weight:600}
.paper .sig{margin-top:auto;padding:14px 18px 10px;text-align:right}
.paper .sig img{height:84px;display:inline-block;mix-blend-mode:multiply}
.paper .sig div{font-weight:600}
.paper .foot{text-align:center;font-size:12px;padding:4px;border-top:1px solid #000}
.paper .wm{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:110px;font-weight:700;letter-spacing:.08em;color:rgba(180,35,24,.14);transform:rotate(-28deg);pointer-events:none}
.paper .wm.draft{color:rgba(90,90,90,.14)}
@page{size:A4;margin:10mm}
@media print{
  body.doc{background:#fff}
  .doc-bar,.no-print{display:none!important}
  .doc-wrap{padding:0;overflow:visible}
  .paper{width:auto;min-height:0;margin:0;transform:none!important;zoom:1!important}
  .paper .frame{min-height:275mm}
}