:root{
  --bg:#0d1117;--panel:#151b23;--panel2:#1b232e;--line:#26303c;--txt:#e6edf3;--dim:#8b98a9;
  --acc:#3b82f6;--acc2:#22c55e;--warn:#f59e0b;--bad:#ef4444;--r:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--txt);font:13px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif}
.hidden{display:none!important}
.muted{color:var(--dim)}.tiny{font-size:11.5px}.w100{width:100%}
.err{color:var(--bad);font-size:12px;min-height:16px;margin:6px 0}
a{color:var(--acc)}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(900px 500px at 20% -10%,#16263d 0%,var(--bg) 60%)}
.login-card{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px}
.brand-lg{font-size:22px;font-weight:800;letter-spacing:.5px}
.brand-lg span{color:var(--acc)}
.field{margin-top:12px}
label{display:block;font-size:11px;color:var(--dim);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}
input,select,textarea{width:100%;background:var(--panel2);border:1px solid var(--line);color:var(--txt);padding:8px 10px;border-radius:8px;font:inherit;font-size:13px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--acc)}
input[type=checkbox]{width:auto}
.demo-box{margin-top:16px;border-top:1px dashed var(--line);padding-top:12px}
table.mini{font-size:11.5px;color:var(--dim);width:100%;border-collapse:collapse;margin-top:6px}
table.mini td{padding:2px 4px}

/* app shell */
header{position:sticky;top:0;z-index:30;background:rgba(13,17,23,.95);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);padding:9px 14px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.logo{font-weight:800;font-size:14px;letter-spacing:.4px}
.logo span{color:var(--acc)} .logo em{color:var(--dim);font-style:normal;font-size:11px;margin-left:3px}
nav{display:flex;gap:3px;flex-wrap:wrap;margin-left:auto}
nav button{background:transparent;border:1px solid transparent;color:var(--dim);padding:6px 10px;border-radius:8px;cursor:pointer;font-size:12.5px;font-family:inherit}
nav button:hover{color:var(--txt);background:var(--panel)}
nav button.on{background:var(--acc);color:#fff;border-color:var(--acc)}
.lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang button{background:transparent;border:0;color:var(--dim);padding:6px 9px;cursor:pointer;font-size:12px;font-family:inherit}
.lang button.on{background:var(--panel2);color:var(--txt)}
.who{display:flex;align-items:center;gap:8px}
main{padding:16px;max-width:1480px;margin:0 auto}
section{display:none}section.on{display:block}
h2{font-size:16px;margin-bottom:12px;font-weight:700}
h3{font-size:12.5px;color:var(--dim);text-transform:uppercase;letter-spacing:.8px;margin:18px 0 8px;font-weight:700}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin-bottom:14px}
.grid{display:grid;gap:12px}
.g4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.row>div{flex:1;min-width:130px}
button.btn{background:var(--acc);color:#fff;border:0;padding:9px 15px;border-radius:8px;cursor:pointer;font-weight:600;font-family:inherit;font-size:13px}
button.btn.sec{background:var(--panel2);border:1px solid var(--line);color:var(--txt)}
button.btn.danger{background:#3a1d1d;border:1px solid #5b2a2a;color:#ffb4b4}
button.btn.ok{background:#12351f;border:1px solid #235c37;color:#8ef0b4}
button.btn.tiny{padding:5px 9px;font-size:11.5px;border-radius:7px}
button.btn:hover{filter:brightness(1.12)}button.btn:disabled{opacity:.45;cursor:not-allowed}
table{width:100%;border-collapse:collapse;font-size:12.5px}
th{text-align:left;color:var(--dim);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.5px;padding:8px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:8px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:hover td{background:rgba(255,255,255,.02)}
.num{text-align:right;font-variant-numeric:tabular-nums}
.pos{color:var(--acc2)}.neg{color:var(--bad)}.warn{color:var(--warn)}
.pill{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;background:var(--panel2);border:1px solid var(--line);color:var(--txt)}
.pill.g{background:#10291c;border-color:#1e4a31;color:#6ee7a8}
.pill.r{background:#2b1414;border-color:#4d2323;color:#fca5a5}
.pill.y{background:#2a2110;border-color:#4d3d17;color:#fcd34d}
.pill.b{background:#12203a;border-color:#24406e;color:#93c5fd}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px}
.kpi .l{font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.6px}
.kpi .v{font-size:21px;font-weight:800;margin-top:6px;font-variant-numeric:tabular-nums}
.scroll{overflow-x:auto}
.hint{font-size:11.5px;color:var(--dim);margin-top:6px}
.calc{background:var(--panel2);border:1px dashed var(--line);border-radius:8px;padding:11px}
.calc div{display:flex;justify-content:space-between;padding:3px 0;font-size:12.5px}
.calc div.b{font-weight:800;border-top:1px solid var(--line);margin-top:5px;padding-top:7px;font-size:14px}
.empty{color:var(--dim);text-align:center;padding:24px;font-size:12.5px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--acc2);color:#04210f;
  padding:10px 18px;border-radius:999px;font-weight:700;opacity:0;transition:.25s;pointer-events:none;z-index:99;font-size:13px}
.toast.on{opacity:1}
.toast.bad{background:var(--bad);color:#fff}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:80;padding:16px}
.modal-in{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;max-width:760px;width:100%;max-height:86vh;overflow:auto}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip-f{background:var(--panel2);border:1px solid var(--line);border-radius:999px;padding:6px 12px;cursor:pointer;font-size:12.5px}
.chip-f.on{background:var(--acc);border-color:var(--acc);color:#fff}

/* print / documents */
.printarea{display:none}
.doc{background:#fff;color:#111;font-family:Helvetica,Arial,sans-serif;font-size:11pt;padding:14mm}
.doc .dh{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:2pt solid #123;padding-bottom:3mm}
.doc .dh .co{font-size:15pt;font-weight:800}
.doc .dh .sm{font-size:8.5pt;color:#555;line-height:1.45;margin-top:1mm}
.doc h1{font-size:19pt;letter-spacing:2px;text-align:right;color:#123}
.doc table{width:100%;border-collapse:collapse;margin-top:5mm;font-size:10pt}
.doc th{background:#123;color:#fff;text-transform:none;letter-spacing:0;font-size:9pt;padding:2.2mm 2.5mm;border:0}
.doc td{padding:2.2mm 2.5mm;border-bottom:.4pt solid #dde}
.doc .tot{text-align:right;font-weight:800;background:#123;color:#fff;font-size:12pt}
.doc .meta{display:flex;justify-content:space-between;gap:8mm;margin-top:5mm;font-size:10pt;line-height:1.55}
.doc .lbl{font-size:7.5pt;letter-spacing:1px;text-transform:uppercase;color:#123;font-weight:700}
.doc .bank{margin-top:6mm;border-top:1.2pt solid #123;padding-top:3mm;font-size:10pt}
.doc .ft{margin-top:6mm;font-size:8pt;color:#777;font-style:italic}
@media print{
  body{background:#fff}
  header,main,.toast,.modal{display:none!important}
  .printarea{display:block!important}
  @page{size:A4;margin:0}
}
@media(max-width:760px){nav{width:100%;margin-left:0}.logo{width:100%}.who{width:100%}}

/* guide / onboarding */
.guide-list{margin:10px 0 0 20px;line-height:1.7}
.guide-list li{margin:5px 0}
.doc .guide-list{margin-left:18px;line-height:1.5}

/* ============ mobile ============ */
.menu-btn{display:none;background:transparent;border:1px solid var(--line);color:var(--txt);
  border-radius:8px;padding:7px 11px;font-size:17px;line-height:1;cursor:pointer}
.menu-btn.on{background:var(--acc);border-color:var(--acc);color:#fff}

@media(max-width:760px){
  header{padding:8px 10px;gap:8px}
  .logo{width:auto;font-size:13px;margin-right:auto}
  .lang button{padding:7px 8px}
  .menu-btn{display:block}
  .who{order:5;width:100%;justify-content:space-between;gap:6px}
  .who .pill{font-size:11px;padding:4px 8px}
  #nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--panel);
    border-bottom:1px solid var(--line);padding:10px;gap:4px;flex-direction:column;margin:0;
    box-shadow:0 16px 32px rgba(0,0,0,.5);max-height:72vh;overflow:auto;z-index:45}
  #nav.open{display:flex}
  #nav button{width:100%;text-align:left;padding:12px;font-size:14.5px}
  main{padding:10px;overflow-x:hidden}
  h2{font-size:17px}
  h3{font-size:13.5px}
  .grid.g4{grid-template-columns:1fr 1fr}
  .grid.g3,.grid.g2{grid-template-columns:1fr}
  .row{flex-direction:column;align-items:stretch;gap:8px}
  .row>div{width:100%;flex:1 1 auto!important}
  .row>div[style*="flex:0 0 auto"]{width:auto}
  .btn{padding:11px 16px;font-size:14px}
  .btn.tiny{padding:8px 10px;font-size:12.5px}
  input,select,textarea{font-size:16px;padding:10px}
  .card{padding:10px}
  .scroll,.card.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
  table{min-width:640px}
  .modal{padding:0}
  .modal-in{height:100%;max-height:100%;max-width:none;border-radius:0;padding:14px}
  .modal-in table{min-width:560px}
  .kpi .v{font-size:17px}
  .toast{left:12px;right:12px;bottom:12px;text-align:center}
  #r-lines{overflow-x:auto}
  .guide-list{margin-left:16px}
}
@media(max-width:400px){.grid.g4{grid-template-columns:1fr}}

/* brand logo */
.logo{display:flex;align-items:center;gap:8px}
.logo-mark{height:24px;width:auto;display:block}
.logo span{color:var(--txt)}
.brand-img{height:64px;width:auto;display:block}