:root{
  --ink:#1b2236; --ink-2:#2a3350; --paper:#f3f5f9; --card:#fff; --line:#dfe4ec; --muted:#667085;
  --accent:#1f4fd8; --accent-d:#173ba6; --ok:#14804a; --warn:#b54708; --bad:#b42318; --r:8px;
}
*{box-sizing:border-box}
html{font-size:15px}
body{margin:0;background:var(--paper);color:#1d2433;font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;line-height:1.45}
a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline}
.shell{display:flex;min-height:100vh}
.side{width:224px;background:var(--ink);color:#c9d1e6;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex:none}
.brand{padding:20px 20px 16px;font-size:18px;font-weight:700;color:#fff;line-height:1.2}
.brand small{display:block;font-weight:400;font-size:12px;color:#8e9ac0;margin-top:3px}
.side nav{display:flex;flex-direction:column;padding:6px 10px;gap:2px;flex:1}
.side nav a{color:#c9d1e6;padding:9px 12px;border-radius:6px;font-size:14px}
.side nav a:hover{background:var(--ink-2);text-decoration:none;color:#fff}
.side nav a.on{background:var(--accent);color:#fff;font-weight:600}
.side-foot{padding:14px 20px;border-top:1px solid #2e3858;font-size:13px;display:flex;flex-direction:column;gap:6px}
.side-foot a{color:#9fb0e6}.side-foot .who{color:#fff;font-weight:600}
.main{flex:1;min-width:0}
.top{display:flex;align-items:center;gap:14px;padding:14px 28px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top h1{font-size:19px;margin:0;flex:1}
.top-actions{display:flex;gap:8px}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:6px;font-size:18px;padding:4px 10px;cursor:pointer}
.content{padding:24px 28px 60px;max-width:1280px}
.btn{display:inline-block;border:1px solid #c5ccd8;background:#fff;color:#1d2433;padding:8px 14px;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;line-height:1.2}
.btn:hover{background:#f5f7fb;text-decoration:none}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{background:var(--accent-d)}
.btn.danger{color:var(--bad);border-color:#f0c4be}.btn.danger:hover{background:#fff4f2}
.btn.sm{padding:5px 10px;font-size:13px}
.flash{padding:10px 14px;border-radius:6px;margin-bottom:16px;font-size:14px;border:1px solid}
.flash.ok{background:#ecfdf3;border-color:#abefc6;color:#067647}
.flash.err{background:#fef3f2;border-color:#fecdca;color:var(--bad)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:18px}
.card>h2,.card>h3{margin:0 0 12px;font-size:15px}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px}
.stat .l{font-size:13px;color:var(--muted)}
.stat .v{font-size:24px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.stat .s{font-size:12.5px;color:var(--muted);margin-top:2px}
.stat.warn .v{color:var(--bad)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;font-weight:600;color:var(--muted);font-size:12.5px;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:9px 10px;border-bottom:1px solid #edf0f5;vertical-align:top}
.tbl tbody tr:hover{background:#fafbfd}
.tbl .r,.r{text-align:right}.tbl .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl tfoot td{font-weight:700;border-top:2px solid var(--line);border-bottom:0}
.tbl .acts{white-space:nowrap;text-align:right}.tbl .acts a{margin-left:10px;font-size:13px}
.scroll{overflow-x:auto}
.empty{padding:26px;text-align:center;color:var(--muted)}
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;background:#eef1f6;color:#475467;white-space:nowrap}
.b-sent{background:#e8efff;color:#1f4fd8}.b-accepted,.b-paid{background:#e3f7ec;color:var(--ok)}
.b-rejected,.b-overdue{background:#fde8e6;color:var(--bad)}.b-converted{background:#efe8fd;color:#6941c6}
.b-unpaid{background:#fff1dc;color:var(--warn)}.b-partial{background:#fff6d6;color:#8a5a00}.b-cancelled{background:#eceef2;color:#98a2b3;text-decoration:line-through}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;align-items:end}
.filters label{font-size:12px;color:var(--muted);display:block;margin-bottom:3px}
input,select,textarea{font:inherit;font-size:14px;padding:8px 10px;border:1px solid #c5ccd8;border-radius:6px;background:#fff;color:inherit;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid #b5c8ff;border-color:var(--accent)}
.filters input,.filters select{width:auto;min-width:130px}
textarea{resize:vertical}
.f{margin-bottom:12px}.f>label{display:block;font-size:12.5px;font-weight:600;color:#475467;margin-bottom:4px}
.f .hint{font-size:12px;color:var(--muted);margin-top:3px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pager{display:flex;gap:6px;margin-top:14px}.pager a,.pager b{padding:4px 10px;border:1px solid var(--line);border-radius:6px;font-size:13px;background:#fff}.pager b{background:var(--accent);color:#fff;border-color:var(--accent)}
.muted{color:var(--muted)}.small{font-size:13px}
.err-list{background:#fef3f2;border:1px solid #fecdca;color:var(--bad);border-radius:6px;padding:10px 14px;margin-bottom:16px;font-size:14px}
.err-list ul{margin:4px 0 0 18px;padding:0}
/* document form */
.docform{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}
.docform .side-col{position:sticky;top:76px}
.totals-box{width:340px;max-width:100%;margin-left:auto;margin-top:6px}
.items-wrap{overflow-x:auto}
table.items-edit{width:100%;border-collapse:collapse;min-width:900px}
.items-edit th{font-size:12px;color:var(--muted);text-align:left;padding:4px 4px;font-weight:600}
.items-edit td{padding:3px 3px;vertical-align:top}
.items-edit input,.items-edit textarea{padding:6px 7px;font-size:13.5px}
.items-edit .c-n{width:26px;color:var(--muted);padding-top:10px;text-align:center}
.items-edit .c-hsn{width:96px}.items-edit .c-qty{width:76px}.items-edit .c-unit{width:72px}.items-edit .c-rate{width:110px}.items-edit .c-disc{width:66px}.items-edit .c-gst{width:66px}
.items-edit .c-amt{width:104px;text-align:right;padding-top:9px;font-variant-numeric:tabular-nums;font-weight:600}
.items-edit .c-x{width:30px}
.rm{border:0;background:#fff0ee;color:var(--bad);border-radius:6px;width:28px;height:30px;font-size:17px;cursor:pointer}
table.items-edit.tax-none .c-gst{display:none}
.tot-row{display:flex;justify-content:space-between;padding:5px 0;font-size:14px;font-variant-numeric:tabular-nums}
.tot-row.grand{border-top:2px solid var(--ink);margin-top:6px;padding-top:10px;font-size:18px;font-weight:700}
.tot-row.hide{display:none}
.next-no{font-size:22px;font-weight:700;color:var(--accent)}
.login-box{max-width:380px;margin:9vh auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px}
.login-box h1{margin:0 0 4px;font-size:22px}
@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:1fr}.g2{grid-template-columns:1fr}
  .docform{grid-template-columns:1fr}.docform .side-col{position:static}
  .side{position:fixed;left:-240px;z-index:20;transition:left .2s}.side.open{left:0}
  .menu-btn{display:block}.content{padding:16px}.top{padding:12px 16px}.top-actions .btn:not(.primary){display:none}
  .row2,.row3{grid-template-columns:1fr}
}

input[type=checkbox]{width:auto}
.maskbar{display:flex;justify-content:flex-end;margin:-6px 0 12px}
.print-only{display:none}
.stmt-head{display:flex;justify-content:space-between;gap:20px;margin-bottom:14px}
.stmt-head h2{margin:0 0 4px;font-size:18px}
.neg{color:var(--bad)}
@media print{
  .side,.top,.filters,.noprint,.flash,.pager{display:none!important}
  .content{padding:0;max-width:none}.main{display:block}body{background:#fff}
  .card{border:0;padding:0;margin:0}.print-only{display:block}
  @page{size:A4 portrait;margin:10mm}
}