:root{
  --ink:#16221c; --ink2:#22322a; --ink-text:#c9d3cc; --paper:#f4f5f1; --surface:#ffffff;
  --line:#e0e4dc; --line2:#eef0eb; --text:#1c2520; --muted:#66716a;
  --green:#1b7446; --green-d:#135a36; --green-l:#e6f2eb;
  --due:#b3401a; --due-l:#fbece6; --warn:#9a6500; --warn-l:#fbf2dc; --info:#2c5a86; --info-l:#e7eff7;
  --r:10px; --r-s:6px;
  --font:"Hind Siliguri", "Segoe UI", system-ui, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--font);font-size:15px;line-height:1.5;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased}
a{color:var(--green-d)}
a:hover{color:var(--green)}
h1,h2,h3{line-height:1.25;margin:0}
.ic{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}

/* shell */
.shell{display:flex;min-height:100vh}
.side{width:248px;background:var(--ink);color:var(--ink-text);position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:30;overflow-y:auto}
.brand{display:flex;align-items:center;gap:10px;padding:18px 18px 16px;color:#fff;text-decoration:none;border-bottom:1px solid var(--ink2)}
.brand b{display:block;font-size:16px;font-weight:700;line-height:1.2}
.brand small,.login-brand small{display:block;font-size:12px;color:#8fa096}
.mark{width:34px;height:34px;border-radius:8px;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;flex:none}
.nav{padding:10px 10px 20px;flex:1}
.nav-link,.group summary{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-s);color:var(--ink-text);text-decoration:none;cursor:pointer;font-size:14.5px;list-style:none;user-select:none}
.group summary::-webkit-details-marker{display:none}
.group summary::after{content:"";margin-left:auto;width:6px;height:6px;border-right:1.5px solid #7d8d83;border-bottom:1.5px solid #7d8d83;transform:rotate(-45deg);transition:transform .15s}
.group[open] summary::after{transform:rotate(45deg)}
.nav-link:hover,.group summary:hover{background:var(--ink2);color:#fff}
.nav-link.on{background:var(--green);color:#fff}
.group[open] summary{color:#fff}
.sub{display:flex;flex-direction:column;margin:2px 0 6px 19px;border-left:1px solid #33443a;padding-left:10px}
.sub a{color:#a9b6ae;text-decoration:none;font-size:14px;padding:5px 8px;border-radius:5px}
.sub a:hover{color:#fff;background:var(--ink2)}
.sub a.on{color:#fff;background:var(--ink2);box-shadow:inset 2px 0 0 #4fbf82}
.side-foot{padding:10px 18px;font-size:12px;color:#5f7166}
.main{margin-left:248px;flex:1;min-width:0;display:flex;flex-direction:column}
.top{height:60px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:0 22px;position:sticky;top:0;z-index:20}
.top-search{flex:1;max-width:460px}
.top-search input{width:100%;height:38px;border:1px solid var(--line);background:var(--paper);border-radius:var(--r-s);padding:0 12px;font:inherit;font-size:14px}
.who{display:flex;align-items:center;gap:10px;margin-left:auto}
.who b{display:block;font-size:14px;line-height:1.2}.who small{display:block;font-size:12px;color:var(--muted)}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--green-l);color:var(--green-d);display:grid;place-items:center;font-weight:700}
.icon-btn{border:0;background:none;color:var(--muted);width:34px;height:34px;border-radius:var(--r-s);display:grid;place-items:center;cursor:pointer}
.icon-btn:hover{background:var(--paper);color:var(--text)}
.inline{display:inline}
.content{padding:24px 26px 60px;max-width:1400px;width:100%}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.head h1{font-size:24px;font-weight:700}
.sub-t{margin:2px 0 0;color:var(--muted);font-size:14px}
.head-actions{display:flex;gap:8px;flex-wrap:wrap}
.only-m{display:none}
.scrim{display:none}

/* buttons & inputs */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 14px;border-radius:var(--r-s);border:1px solid var(--line);background:var(--surface);color:var(--text);font:inherit;font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:#c6ccc3;color:var(--text)}
.btn.primary{background:var(--green);border-color:var(--green);color:#fff}
.btn.primary:hover{background:var(--green-d)}
.btn.danger{color:var(--due);border-color:#efcdbf}
.btn.danger:hover{background:var(--due-l)}
.btn.sm{height:30px;padding:0 10px;font-size:13px}
.btn.block{width:100%;height:42px}
.btn.link{border:0;background:none;padding:0;height:auto;color:var(--green-d);font-weight:600}
.input,select.input,textarea.input{width:100%;height:38px;border:1px solid #d3d8d0;border-radius:var(--r-s);padding:0 10px;font:inherit;font-size:14.5px;background:#fff;color:var(--text)}
textarea.input{height:auto;min-height:72px;padding:8px 10px}
.input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px #1b74461f}
.input.num{text-align:right;font-variant-numeric:tabular-nums}
.field{display:block;font-size:13px;font-weight:600;color:#3b4640;margin-bottom:12px}
.field .input{margin-top:4px;font-weight:400}
.field small{display:block;font-weight:400;color:var(--muted);margin-top:3px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:0 16px}
.form-grid .span2{grid-column:span 2}
.form-actions{display:flex;gap:8px;justify-content:flex-end;padding-top:6px}
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin-bottom:14px}
.filters label{font-size:12px;font-weight:600;color:var(--muted);display:flex;flex-direction:column;gap:3px}
.filters .input{width:auto;min-width:150px}

/* panels */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:16px}
.panel h2{font-size:16px;font-weight:700;margin-bottom:12px}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:10px}
.panel-head h2{margin:0}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:2fr 1fr}.g2e{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}

/* dashboard figures: ledger-style strip instead of card grid */
.ledger{display:grid;grid-template-columns:repeat(4,1fr);background:var(--surface);border:1px solid var(--line);border-radius:var(--r);margin-bottom:16px;overflow:hidden}
.ledger > div{padding:16px 18px;border-right:1px solid var(--line2)}
.ledger > div:last-child{border-right:0}
.ledger .lbl{font-size:13px;color:var(--muted)}
.ledger .fig{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;margin-top:2px;letter-spacing:-.01em}
.ledger .fig.due{color:var(--due)}.ledger .fig.pos{color:var(--green-d)}
.ledger .hint{font-size:12.5px;color:var(--muted)}
.ledger .hint a{color:inherit}
.today{display:flex;gap:26px;flex-wrap:wrap;padding:14px 18px;background:var(--ink);color:#fff;border-radius:var(--r);margin-bottom:16px;align-items:center}
.today .t-date{font-size:13px;color:#9fb2a6;margin-right:auto}
.today .t-date b{display:block;color:#fff;font-size:18px}
.today span{font-size:12.5px;color:#9fb2a6;display:block}
.today strong{font-size:19px;font-variant-numeric:tabular-nums}
.quick{display:flex;flex-wrap:wrap;gap:8px}

/* tables */
.tw{overflow-x:auto;margin:0 -2px}
.t{width:100%;border-collapse:collapse;font-size:14px}
.t th{text-align:left;font-weight:600;font-size:12.5px;color:var(--muted);padding:9px 10px;border-bottom:1px solid var(--line);white-space:nowrap;background:#fafbf8}
.t td{padding:9px 10px;border-bottom:1px solid var(--line2);vertical-align:middle}
.t tr:hover td{background:#fafbf8}
.t .r,.r{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.t .c{text-align:center}
.t .acts{white-space:nowrap;text-align:right}
.t tfoot td{font-weight:700;border-top:1px solid var(--line);border-bottom:0;background:#fafbf8}
.t .due-c{color:var(--due);font-weight:600}
.t .muted,.muted{color:var(--muted)}
.t small{color:var(--muted)}
.empty{text-align:center;padding:36px 16px;color:var(--muted);background:var(--surface);border:1px dashed #d3d8d0;border-radius:var(--r)}
.panel .empty{border:0;padding:24px}
.badge{display:inline-block;font-size:12px;font-weight:600;padding:1px 9px;border-radius:20px;line-height:20px}
.badge.good{background:var(--green-l);color:var(--green-d)}
.badge.bad{background:var(--due-l);color:var(--due)}
.badge.warn{background:var(--warn-l);color:var(--warn)}
.badge.info{background:var(--info-l);color:var(--info)}
.badge.mute{background:#eef0eb;color:var(--muted)}
.pager{display:flex;gap:10px;align-items:center;justify-content:flex-end;margin-top:12px;font-size:14px;color:var(--muted)}
.alert{padding:10px 14px;border-radius:var(--r-s);margin-bottom:14px;font-size:14px;border:1px solid}
.alert.ok{background:var(--green-l);border-color:#c3e0cf;color:var(--green-d)}
.alert.err{background:var(--due-l);border-color:#f0cbbd;color:#8e3313}
.alert.info{background:var(--info-l);border-color:#c9d9ea;color:var(--info)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;font-size:14px}
.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:500}

/* item entry */
.items .t td{padding:6px 6px}
.items .t .input{height:34px}
.items .col-name{min-width:220px}
.items .col-n{width:110px}
.items .col-s{width:160px}
.picker{position:relative;margin-bottom:10px}
.picker .input{height:42px;font-size:15px;padding-left:12px}
.picker-list{position:absolute;left:0;right:0;top:44px;background:#fff;border:1px solid var(--line);border-radius:var(--r-s);box-shadow:0 10px 24px #16221c1f;max-height:320px;overflow-y:auto;z-index:15;display:none}
.picker-list.show{display:block}
.picker-list button{display:flex;width:100%;justify-content:space-between;gap:12px;border:0;background:none;padding:9px 12px;text-align:left;font:inherit;font-size:14px;cursor:pointer;border-bottom:1px solid var(--line2)}
.picker-list button:hover,.picker-list button.hl{background:var(--green-l)}
.picker-list small{color:var(--muted);white-space:nowrap}
.totals{margin-left:auto;width:min(360px,100%);font-size:14.5px}
.totals .row{display:flex;justify-content:space-between;align-items:center;padding:5px 0;gap:10px}
.totals .row .input{width:130px}
.totals .grand{border-top:1px solid var(--line);margin-top:4px;padding-top:9px;font-size:18px;font-weight:700}
.totals .due-row{color:var(--due);font-weight:600}
.x-btn{border:0;background:none;color:#a0aaa3;font-size:20px;cursor:pointer;line-height:1;width:28px;height:28px;border-radius:5px}
.x-btn:hover{color:var(--due);background:var(--due-l)}

/* modal */
dialog{border:0;border-radius:var(--r);padding:0;width:min(480px,calc(100% - 24px));box-shadow:0 20px 50px #0003}
dialog::backdrop{background:#16221c8c}
dialog form{padding:20px}
dialog h3{font-size:18px;margin-bottom:14px}

/* login */
.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:var(--ink)}
.login-card{background:#fff;border-radius:14px;padding:28px;width:min(380px,100%)}
.login-card.wide{width:min(480px,100%)}
.login-card h1{font-size:22px;margin:18px 0 14px}
.login-brand{display:flex;align-items:center;gap:10px}
.login-brand b{font-size:17px}

/* print document (invoice, quotation, purchase) */
.doc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px;max-width:860px;margin:0 auto}
.doc-top{display:flex;justify-content:space-between;gap:20px;border-bottom:2px solid var(--text);padding-bottom:14px;margin-bottom:18px}
.doc-top h2{font-size:22px}
.doc-top .kind{text-align:right}
.doc-top .kind b{font-size:20px;letter-spacing:.02em}
.doc-parties{display:flex;justify-content:space-between;gap:20px;margin-bottom:16px;font-size:14px}
.doc .t th{background:none;color:var(--text);border-bottom:1.5px solid var(--text)}
.doc-foot{display:flex;justify-content:space-between;gap:20px;margin-top:16px}
.doc-note{font-size:13px;color:var(--muted);max-width:360px}
.sign{display:flex;justify-content:space-between;margin-top:56px;font-size:13px;color:var(--muted)}
.sign span{border-top:1px solid #999;padding-top:4px;min-width:160px;text-align:center}
.stamp{display:inline-block;border:2px solid;padding:2px 12px;border-radius:6px;font-weight:700;transform:rotate(-4deg);font-size:15px}
.stamp.paid{color:var(--green)}.stamp.due{color:var(--due)}.stamp.partial{color:var(--warn)}
.labels{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:8px}
.label{border:1px dashed #bbb;padding:8px;text-align:center;font-size:12px;break-inside:avoid;background:#fff}
.label svg{max-width:100%;height:52px}
.label b{display:block;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

@media print{
  body{background:#fff}
  .side,.top,.head,.no-print,.alert,.scrim{display:none!important}
  .main{margin:0}.content{padding:0;max-width:none}
  .doc{border:0;padding:0;max-width:none}
  .panel{border:0;padding:0}
  .labels{gap:4px}
}
@media (max-width:1100px){.ledger{grid-template-columns:repeat(2,1fr)}.ledger > div:nth-child(2){border-right:0}.ledger > div:nth-child(-n+2){border-bottom:1px solid var(--line2)}.g2,.g3{grid-template-columns:1fr}}
@media (max-width:820px){
  .side{transform:translateX(-100%);transition:transform .2s}
  .side.show{transform:none}
  .scrim.show{display:block;position:fixed;inset:0;background:#0006;z-index:25}
  .main{margin-left:0}
  .only-m{display:grid}
  .top{padding:0 12px;gap:8px}
  .content{padding:16px 14px 50px}
  .g2e{grid-template-columns:1fr}
  .form-grid .span2{grid-column:auto}
  .doc{padding:18px}
  .doc-top,.doc-parties,.doc-foot{flex-direction:column}
  .doc-top .kind{text-align:left}
}
@media (max-width:560px){.hide-s{display:none}.ledger{grid-template-columns:1fr}.ledger > div{border-right:0;border-bottom:1px solid var(--line2)}.head h1{font-size:21px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.only-print{display:none}@media print{.only-print{display:inline}}