html,body{margin:0}
[hidden]{display:none!important}
img{max-width:100%}
/* Layout: dark forest-green sidebar + work area; section bars in Infinite green; documents read like forms */
:root{
  --bg:#F2F4F1; --surface:#FFFFFF; --surface-2:#F6F8F5; --line:#DCE3DA; --ink:#16241B; --muted:#5C6B60;
  --brand:#2E4A39; --brand-ink:#2A4D37; --brand-soft:#E5ECE4;
  --side:#16261C; --side-ink:#C6D3C8; --side-hi:#5E7E61; --sage:#7E9A7B;
  --thead:#6E8371; --thead-ink:#FFFFFF;
  --hero:radial-gradient(ellipse 60% 80% at 88% 38%,rgba(126,154,123,.55),transparent 70%),repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 128px),linear-gradient(150deg,#1A2B20 0%,#22372A 55%,#33503D 100%);
  --ok:#1E8E4E; --ok-soft:#E3F4EA; --warn:#B7791F; --warn-soft:#FBF1DE; --bad:#C2413A; --bad-soft:#FBE7E5; --info:#2B6CB0; --info-soft:#E4EEF9; --grey-soft:#EDF1F0;
  --f-body:"IBM Plex Sans Thai",system-ui,sans-serif; --f-mono:"IBM Plex Mono",ui-monospace,monospace;
  --r:8px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E1511; --surface:#151F18; --surface-2:#1A261E; --line:#2A382E; --ink:#E3EBE4; --muted:#97A99B;
  --brand:#3A5C46; --brand-ink:#A5C6AC; --brand-soft:#1D3024; --side:#0B120D; --side-ink:#AFC0B2;
  --thead:#2D3E32; --thead-ink:#E3EBE4;
  --ok:#4CC27E; --ok-soft:#163525; --warn:#E0A84A; --warn-soft:#3A2D14; --bad:#EE7A70; --bad-soft:#3D1D1A; --info:#73A7E8; --info-soft:#18283D; --grey-soft:#1D2C2A;
  color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E1511; --surface:#151F18; --surface-2:#1A261E; --line:#2A382E; --ink:#E3EBE4; --muted:#97A99B;
  --brand:#3A5C46; --brand-ink:#A5C6AC; --brand-soft:#1D3024; --side:#0B120D; --side-ink:#AFC0B2;
  --thead:#2D3E32; --thead-ink:#E3EBE4;
  --ok:#4CC27E; --ok-soft:#163525; --warn:#E0A84A; --warn-soft:#3A2D14; --bad:#EE7A70; --bad-soft:#3D1D1A; --info:#73A7E8; --info-soft:#18283D; --grey-soft:#1D2C2A;
  color-scheme:dark}
*{box-sizing:border-box}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.55}
button,input,select,textarea{font:inherit;color:inherit}
.app{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100%}
/* sidebar */
.side{background:linear-gradient(180deg,#1C3024 0%,#142219 60%,#101b14 100%);color:var(--side-ink);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow:auto}
.side .logo{padding:22px 20px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.side .logo img{width:196px;max-width:100%;display:block}
.side .logo small{display:block;margin-top:10px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#A9BDA9}
.nav{padding:10px 0;display:flex;flex-direction:column;gap:2px}
.nav .grp{padding:14px 20px 6px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;opacity:.55}
.nav button{all:unset;cursor:pointer;display:flex;align-items:center;gap:10px;padding:9px 20px;margin-right:12px;border-radius:0 22px 22px 0;color:var(--side-ink)}
.nav button:hover{background:rgba(255,255,255,.06)}
.nav button.on{background:var(--side-hi);color:#fff;font-weight:600}
.nav button:focus-visible{outline:2px solid var(--side-hi);outline-offset:-2px}
.nav .badge{margin-left:auto;background:rgba(255,255,255,.14);border-radius:10px;padding:0 8px;font-size:12px}
.nav button.on .badge{background:rgba(0,0,0,.18)}
.side .foot{margin-top:auto;padding:16px 20px;font-size:12px;opacity:.6;border-top:1px solid rgba(255,255,255,.08)}
/* top */
.main{min-width:0;display:flex;flex-direction:column}
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--surface);border-bottom:3px solid var(--sage,#7E9A7B);display:flex;align-items:center;gap:12px;padding:10px 24px;flex-wrap:wrap}
.top .menu-btn{display:none}
.top .who{margin-left:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.top label{font-size:12px;color:var(--muted)}
.top select{padding:6px 10px;border:1px solid var(--line);border-radius:6px;background:var(--surface-2);max-width:340px}
#whoName{font-weight:600;font-size:14px;min-width:0;overflow-wrap:anywhere}
.role-pill{font-size:12px;font-weight:600;padding:3px 10px;border-radius:12px;background:var(--brand-soft);color:var(--brand-ink)}
.crumb{background:var(--grey-soft);margin:18px 24px 0;padding:10px 16px;border-radius:6px;font-size:14px}
.crumb a{color:var(--brand-ink);cursor:pointer;text-decoration:none}
.crumb a:hover{text-decoration:underline}
.content{padding:18px 24px 48px;display:flex;flex-direction:column;gap:20px}
h1.pt{font-size:24px;color:var(--brand-ink);margin:0;font-weight:700;text-wrap:balance}
h1.pt .mono{font-family:var(--f-mono);font-size:21px}
.sub{color:var(--muted);font-size:13px;margin:2px 0 0}
/* panels */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.panel>.ph{background:linear-gradient(100deg,#2B4535,#3B5A45);color:#fff;font-weight:600;padding:10px 18px;font-size:15px;display:flex;align-items:center;gap:8px}
.panel>.ph::before{content:"#";opacity:.75}
.panel>.pb{padding:18px}
.row-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.btns{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
/* forms */
.fgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 28px}
.f{display:grid;grid-template-columns:150px minmax(0,1fr);gap:10px;align-items:center}
.f>span{text-align:right;font-weight:600;font-size:14px}
.f>span i{color:var(--bad);font-style:normal}
.f.full{grid-column:1/-1}
.f.top-al{align-items:start}
input[type=text],input[type=date],input[type=number],input[type=email],select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--surface);min-width:0}
textarea{min-height:72px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:-1px;border-color:var(--brand)}
input[readonly]{background:var(--surface-2);color:var(--muted)}
.btn{border:0;border-radius:6px;padding:8px 16px;cursor:pointer;font-weight:600;display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;white-space:nowrap}
.btn:hover{filter:brightness(1.07)}
.btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.btn.grey{background:#6B7E7A}
.btn.ok{background:var(--ok)} .btn.bad{background:var(--bad)} .btn.info{background:var(--info)}
.btn.ghost{background:transparent;color:var(--brand-ink);border:1px solid var(--line)}
.btn.sm{padding:4px 10px;font-size:13px}
.btn[disabled]{opacity:.45;cursor:not-allowed;filter:none}
.center{display:flex;justify-content:center;gap:8px;margin-top:16px;flex-wrap:wrap}
.note{font-size:13px;color:var(--muted)}
.note.red{color:var(--bad)}
/* tables */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:6px}
table{border-collapse:collapse;width:100%;font-size:14px}
th{background:var(--thead);color:var(--thead-ink);font-weight:600;padding:9px 10px;text-align:center;white-space:nowrap}
td{padding:9px 10px;border-top:1px solid var(--line);vertical-align:middle}
tbody tr:nth-child(even) td{background:var(--surface-2)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
td.c{text-align:center}
td.mono,.mono{font-family:var(--f-mono);font-size:13px;white-space:nowrap}
tfoot td{background:var(--surface-2);font-weight:600}
.empty{padding:22px;text-align:center;color:var(--muted)}
.link{color:var(--brand-ink);cursor:pointer;font-weight:600;text-decoration:none;background:none;border:0;padding:0}
.link:hover{text-decoration:underline}
.icon-btn{background:none;border:0;cursor:pointer;color:var(--brand-ink);padding:2px 6px;border-radius:4px}
.icon-btn:hover{background:var(--brand-soft)}
/* chips */
.chip{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12.5px;font-weight:600;white-space:nowrap}
.chip.wait{background:var(--warn-soft);color:var(--warn)}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.bad{background:var(--bad-soft);color:var(--bad)}
.chip.info{background:var(--info-soft);color:var(--info)}
.chip.grey{background:var(--grey-soft);color:var(--muted)}
/* dashboard */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 18px;display:grid;grid-template-columns:48px 1fr;gap:4px 14px;align-items:center;cursor:pointer;text-align:left}
.card:hover{border-color:var(--brand)}
.card .ic{grid-row:span 2;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;color:#fff}
.card .ic svg{width:24px;height:24px}
.card .lb{font-weight:600}
.card .n{font-size:28px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.card .amt{grid-column:2;font-size:12.5px;color:var(--muted)}
.ic.t{background:var(--brand)} .ic.b{background:var(--info)} .ic.r{background:var(--bad)} .ic.a{background:var(--warn)}
.range{text-align:right}
.range b{color:var(--brand-ink);font-size:18px}
/* workflow */
.flow{display:flex;justify-content:center;align-items:flex-start;gap:0;flex-wrap:wrap;padding:8px 0 4px}
.step{display:flex;flex-direction:column;align-items:center;width:170px;text-align:center;font-size:13px}
.step .dot{width:78px;height:78px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#fff;background:var(--line);font-size:13px;padding:6px;line-height:1.2}
.step.done .dot{background:var(--ok)} .step.now .dot{background:var(--surface);color:var(--warn);border:4px solid var(--warn)} .step.rej .dot{background:var(--bad)}
.step b{margin-top:8px}
.step small{color:var(--muted)}
.bar{width:46px;height:4px;background:var(--line);margin-top:37px}
.bar.done{background:var(--ok)}
/* detail kv */
.kv{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 28px}
.kv div{display:grid;grid-template-columns:170px minmax(0,1fr);gap:10px}
.kv dt{font-weight:600;text-align:right}
.kv dd{margin:0;min-width:0;overflow-wrap:anywhere}
.totals{display:grid;grid-template-columns:auto 140px;gap:2px 18px;justify-content:end;padding:10px 12px;font-variant-numeric:tabular-nums}
.totals span:nth-child(odd){text-align:right;font-weight:600}
.totals span:nth-child(even){text-align:right}
.totals .grand{font-size:17px;color:var(--brand-ink);font-weight:700}
.calc{max-width:640px;margin-left:auto}
.calc tr.ded td:last-child{color:var(--bad)}
.calc tr.sum td{font-weight:600;background:var(--grey-soft)!important}
.calc tr.grand td{font-weight:700;color:var(--brand-ink);font-size:16px;background:var(--brand-soft)!important}
.kind{display:inline-block;font-size:11.5px;font-weight:700;padding:1px 7px;border-radius:4px;background:var(--info-soft);color:var(--info);white-space:nowrap}
.kind.wo{background:var(--brand-soft);color:var(--brand-ink)}
.sum-pill{background:var(--ok-soft);color:var(--ok);font-weight:700;font-size:20px;padding:4px 22px;border-radius:20px;font-variant-numeric:tabular-nums}
/* announcement */
.ann{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:20px}
.ann h3{margin:0 0 6px;color:var(--brand-ink)}
.ann ul{margin:6px 0 0;padding-left:20px}
/* mail */
.mail{border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:14px 16px;display:flex;flex-direction:column;gap:6px}
.mail .mh{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.mail .ms{font-weight:700}
.mail pre{white-space:pre-wrap;font-family:var(--f-body);margin:0;font-size:14px;background:var(--surface-2);padding:10px;border-radius:6px}
/* upload */
.up{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.up select{width:auto;min-width:220px}
.up input[type=text]{width:auto;flex:1;min-width:160px}
.filebtn{position:relative;overflow:hidden}
.filebtn input{position:absolute;inset:0;opacity:0;cursor:pointer}
/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(5,20,18,.55);display:grid;place-items:center;z-index:50;padding:16px}
.modal{background:var(--surface);border-radius:10px;max-width:520px;width:100%;padding:20px 22px;display:flex;flex-direction:column;gap:12px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.modal h3{margin:0;color:var(--brand-ink)}
.toast{position:fixed;right:20px;bottom:calc(20px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:8px;z-index:60;max-width:360px;font-size:14px;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.demo-tag{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:var(--warn-soft);color:var(--warn);padding:2px 8px;border-radius:4px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}
/* quotation document (paper: always white) */
:root{--paper:#FFFFFF;--paper-ink:#1A1A1A;--paper-line:#222}
.sheet-wrap{overflow-x:auto;padding:4px 0 8px}
.sheet{background:var(--paper);color:var(--paper-ink);width:794px;max-width:100%;margin:0 auto;padding:56px 64px 40px;box-shadow:0 4px 24px rgba(0,0,0,.12);border-radius:4px;min-height:1000px;display:flex;flex-direction:column;gap:22px;color-scheme:light}
.qd-head{display:flex;align-items:center;gap:28px}
.qd-head img{width:180px}
.qd-head h2{margin:0;font-size:22px;text-decoration:underline;text-underline-offset:6px;flex:1;text-align:center}
.qd-lead{margin:8px 0 0;text-indent:48px;font-size:16px;line-height:1.8}
.qd-t{border-collapse:collapse;width:100%;font-size:15px}
.qd-t th,.qd-t td{border:1px solid var(--paper-line);padding:9px 14px;text-align:left;vertical-align:top;background:var(--paper)!important;color:var(--paper-ink)}
.qd-t th{width:34%;font-weight:700}
.qd-ok{display:inline-block;margin-left:8px;font-size:12px;color:#2E6B43;border:1px solid #2E6B43;border-radius:10px;padding:0 8px}
.qd-note{font-size:12.5px;color:#555;margin:0}
.qd-foot{margin-top:auto;text-align:right;font-size:14px;line-height:1.8}
@media screen and (max-width:860px){.sheet{padding:28px 20px;min-height:0}.qd-head{flex-direction:column;gap:12px}.qd-head img{width:150px}.qd-t th{width:40%}}
@media print{@page{size:A4;margin:0}html,body{background:#fff;height:auto}.side,.top,.crumb,.no-print,#auth,.toast{display:none!important}.app{display:block}.content,.sheet-wrap{padding:0!important;gap:0}.sheet{box-shadow:none;width:210mm;height:296mm;min-height:0;padding:20mm 20mm 14mm;border-radius:0;overflow:hidden;gap:18px}.qd-head{flex-direction:row}.qd-head img{width:170px}}
/* auth */
.auth{min-height:100%;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
.auth .brand{background:var(--hero);color:#EEF3EE;padding:48px 44px;display:flex;flex-direction:column;gap:28px}
.auth .brand img{width:280px;max-width:100%}
.auth .brand h2{font-size:30px;line-height:1.3;margin:0;text-wrap:balance}
.auth .brand p{margin:0;opacity:.8;max-width:42ch}
.auth .brand ol{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:14px;counter-reset:s}
.auth .brand li{display:grid;grid-template-columns:32px 1fr;gap:12px;align-items:start;counter-increment:s}
.auth .brand li::before{content:counter(s);width:32px;height:32px;border-radius:50%;background:var(--side-hi);color:#fff;display:grid;place-items:center;font-weight:700}
.auth .brand li b{display:block;color:#fff}
.auth .brand small{margin-top:auto;opacity:.55;font-size:12px}
.auth .pane{padding:40px 24px;display:flex;flex-direction:column;align-items:center;gap:18px;overflow:auto}
.abox{width:100%;max-width:460px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:26px 28px;display:flex;flex-direction:column;gap:14px}
.abox h1{margin:0;font-size:22px;color:var(--brand-ink)}
.abox .lead{margin:-6px 0 0;color:var(--muted);font-size:14px}
.tabs{display:flex;border-bottom:1px solid var(--line);margin:-6px 0 4px}
.tabs button{all:unset;cursor:pointer;flex:1;text-align:center;padding:10px;font-weight:600;color:var(--muted);border-bottom:3px solid transparent}
.tabs button.on{color:var(--brand-ink);border-color:var(--brand)}
.tabs button:focus-visible{outline:2px solid var(--brand)}
.stepper{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;font-size:12px;color:var(--muted)}
.stepper div{border-top:4px solid var(--line);padding-top:4px}
.stepper div.on{border-color:var(--brand);color:var(--brand-ink);font-weight:600}
.vf{display:flex;flex-direction:column;gap:4px}
.vf>span{font-weight:600;font-size:14px}
.pwrap{position:relative}.pwrap input{padding-right:64px}
.pwrap button{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:0;color:var(--brand-ink);cursor:pointer;font-size:13px;font-weight:600}
.otp-in{font-family:var(--f-mono);font-size:26px!important;letter-spacing:.45em;text-align:center}
.msg{padding:9px 12px;border-radius:6px;font-size:14px}
.msg.err{background:var(--bad-soft);color:var(--bad)} .msg.info{background:var(--ok-soft);color:var(--ok)} .msg.note{background:var(--info-soft);color:var(--info)}
.rules{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:2px 10px;font-size:13px}
.rules li{color:var(--muted)} .rules li::before{content:"○ "} .rules li.ok{color:var(--ok)} .rules li.ok::before{content:"✓ "}
.alinks{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:14px}
.btn.wide{width:100%;justify-content:center;padding:11px}
.demo-box{width:100%;max-width:460px;border:1px dashed var(--warn);border-radius:10px;padding:14px 16px;background:var(--surface);font-size:13.5px;display:flex;flex-direction:column;gap:8px}
.demo-box h4{margin:0;color:var(--warn);font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.otp-big{font-family:var(--f-mono);font-size:24px;letter-spacing:.25em;font-weight:700;color:var(--brand-ink)}
.chk{display:flex;gap:8px;align-items:center;font-size:14px}
@media (max-width:860px){.auth{grid-template-columns:1fr}.auth .brand{padding:24px 16px;gap:14px}.auth .brand ol,.auth .brand p{display:none}.auth .brand h2{font-size:20px}.auth .pane{padding:20px 16px}.abox{padding:20px 18px}.rules{grid-template-columns:1fr}}
@media (max-width:1100px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.ann,.split{grid-template-columns:1fr}}
@media (max-width:860px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;inset:0 auto 0 0;width:260px;z-index:40;transform:translateX(-100%);transition:transform .2s}
  .side.open{transform:none}
  .top .menu-btn{display:inline-flex}
  .fgrid,.kv{grid-template-columns:1fr}
  .f,.kv div{grid-template-columns:1fr;gap:4px}
  .f>span,.kv dt{text-align:left}
  .content{padding:16px 16px 40px}.crumb{margin:14px 16px 0}.top{padding:10px 16px}
  .cards{grid-template-columns:1fr}
  .step{width:120px}.bar{width:20px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.vcard{border:1px solid var(--line,#e3e8ec);border-radius:10px;padding:10px 12px;background:var(--surface-2)}
.vcard .note{margin:2px 0 0}
.flow.sm .step{width:104px;font-size:12px}.flow.sm .dot{width:50px;height:50px;font-size:11px;padding:4px}.flow.sm .step.now .dot{border-width:3px}.flow.sm .bar{width:14px;margin-top:24px}
.step.skip .dot{background:var(--grey-soft);color:var(--muted)}
.waitbox{border:1px solid var(--line);border-left:4px solid var(--warn);background:var(--warn-soft);border-radius:8px;padding:10px 14px;margin-bottom:14px;font-size:14px}
.waitbox.mine{border-left-color:var(--brand);background:var(--brand-soft)}.waitbox.late{border-left-color:var(--bad);background:var(--bad-soft)}
pre.msum{white-space:pre-wrap;font-family:var(--f-body);background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin:8px 0;font-size:13px}
ol.wf{margin:6px 0 0;padding-left:22px;display:flex;flex-direction:column;gap:6px}ol.wf .kind{margin-right:4px}
@media (max-width:860px){.flow.sm .step{width:86px}.flow.sm .bar{width:8px}}