:root{
  --ink:#16201B; --muted:#4F5D56; --line:#DFE4DE; --line2:#EDF0EC; --bg:#F3F5F1; --card:#fff;
  --brand:#0E6B57; --brand-dk:#09493C; --brand-bg:#E6F2EE; --side:#12241E; --side2:#1C362D; --side-on:#245043;
  --gold:#E8A33D; --warn-bg:#FDF3E3; --warn:#6B4110; --bad-bg:#FBE4DC; --bad:#8A2A0E; --info-bg:#E4EAF7; --info:#1E3A7B;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font-family:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-size:15px;line-height:1.45}
a{color:var(--brand)}a:hover{color:var(--brand-dk)}
h1,h2,h3{margin:0;letter-spacing:-0.02em}
h1{font-size:26px}h2{font-size:18px}h3{font-size:16px}
.num{font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.sr{position:absolute;left:0;top:0;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid #7FB8A8;outline-offset:2px}

/* layout */
.shell{display:flex;min-height:100vh}
.side{width:236px;flex:none;background:var(--side);color:#fff;padding:20px 14px;display:flex;flex-direction:column;gap:3px;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px 16px;text-decoration:none;color:#fff}
.brand-logo{display:flex;align-items:center;justify-content:center;background:#fff;border-radius:12px;padding:8px 12px;margin:0 2px 14px;text-decoration:none}
.brand-logo img{height:38px;width:auto;display:block}
.topbar .brand-logo{margin:0;padding:5px 10px;border-radius:10px}.topbar .brand-logo img{height:28px}
.biz{display:flex;align-items:center;gap:10px}
.biz-logo{width:40px;height:40px;flex:none;border-radius:8px;background:#fff;object-fit:contain;padding:3px}
.biz-text{min-width:0}.biz-text b,.biz-text span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.auth-logo{display:block;align-self:flex-start}.auth-logo img{height:52px;width:auto;display:block}
.logo-box{width:220px;height:110px;border:1px dashed #A7B3AB;border-radius:12px;display:flex;align-items:center;justify-content:center;background:#fff;overflow:hidden;flex:none}
.logo-box img{max-width:100%;max-height:100%;object-fit:contain}
.logo{width:34px;height:34px;border-radius:9px;background:var(--gold);color:var(--side);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.brand b{font-size:21px;letter-spacing:-0.02em}
.biz{background:var(--side2);border-radius:10px;padding:10px 12px;margin-bottom:12px}
.biz b{font-size:14px}.biz span{color:#A9BCB2;font-size:12px}
.nav{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:#C7D5CD;text-decoration:none;font-size:14px;font-weight:500;min-height:42px}
.nav:hover{background:var(--side2);color:#fff}
.nav.on{background:var(--side-on);color:#fff;font-weight:700}
.nav svg{width:18px;height:18px;flex:none}
.side-foot{margin-top:auto;padding:12px 12px 0;border-top:1px solid #23423A;color:#A9BCB2;font-size:12px;display:flex;flex-direction:column;gap:6px}
.side-foot button{background:none;border:0;color:#C7D5CD;font:inherit;font-size:13px;padding:6px 0;text-align:left;cursor:pointer}
.side-foot button:hover{color:#fff}
.main{flex:1;min-width:0;padding:24px 30px 48px;display:flex;flex-direction:column;gap:20px}
.topbar{display:none}
.page-head{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.page-head .sub{font-size:13px;color:var(--muted);font-weight:600}
.banner{background:var(--warn-bg);border:1px solid #F0D3A3;color:var(--warn);border-radius:12px;padding:10px 14px;font-size:14px}

/* cards & grids */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.pad{padding:18px 20px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.kpi{padding:16px 18px;display:flex;flex-direction:column;gap:4px}
.kpi .l{font-size:13px;color:var(--muted);font-weight:600}
.kpi .v{font-size:26px;font-weight:600;letter-spacing:-0.02em}
.kpi .s{font-size:13px;font-weight:600;color:var(--muted)}
.row{display:flex;flex-wrap:wrap;gap:18px}
.row>.grow{flex:2 1 520px;min-width:0}
.row>.side-col{flex:1 1 300px;min-width:0}
.stack{display:flex;flex-direction:column;gap:12px}
.between{display:flex;justify-content:space-between;align-items:center;gap:10px}
.kv{display:flex;justify-content:space-between;gap:12px;padding:6px 0}

/* tables */
.tbl-wrap{overflow-x:auto;position:relative}
.card,.field,label{position:relative}
table{border-collapse:collapse;width:100%}
th{text-align:left;font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap;background:#F8FAF7}
td{padding:11px 14px;border-bottom:1px solid var(--line2);font-size:14px;vertical-align:middle}
tr.click{cursor:pointer}tr.click:hover td{background:#F8FAF7}
.r{text-align:right}.c{text-align:center}
.empty{padding:36px 20px;text-align:center;color:var(--muted)}

/* chips */
.chip{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:99px;white-space:nowrap;background:#EEF0ED;color:#3D4A43}
.chip.paid{background:#DDF0E8;color:#0B5444}.chip.partial{background:var(--info-bg);color:var(--info)}
.chip.unpaid{background:var(--warn-bg);color:var(--warn)}.chip.cancelled,.chip.bad{background:var(--bad-bg);color:var(--bad)}

/* forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 16px;border-radius:10px;font:inherit;font-size:14px;font-weight:700;cursor:pointer;text-decoration:none;border:1px solid #CBD3CC;background:#fff;color:var(--ink);white-space:nowrap}
.btn:hover{background:#F3F5F1;color:var(--ink)}
.btn.pri{background:var(--brand);border-color:var(--brand);color:#fff}.btn.pri:hover{background:var(--brand-dk)}
.btn.danger{color:var(--bad);border-color:#E9B8A8}
.btn.big{min-height:54px;font-size:16px;width:100%}
.btn.sm{min-height:36px;padding:0 12px;font-size:13px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.key{font-family:'JetBrains Mono',monospace;font-size:11px;opacity:.75;font-weight:500}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label,.lbl{font-size:13px;color:var(--muted);font-weight:600}
input,select,textarea{font:inherit;font-size:14px;color:var(--ink);background:#fff;border:1px solid #CBD3CC;border-radius:10px;padding:0 12px;min-height:44px;width:100%}
textarea{padding:10px 12px;min-height:80px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--brand);outline:3px solid #CFE5DD;outline-offset:0}
input[type=checkbox]{width:20px;height:20px;min-height:0;accent-color:var(--brand)}
.check{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.form-err{background:var(--bad-bg);color:var(--bad);border-radius:10px;padding:10px 12px;font-size:14px;font-weight:600}
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.filters .field{width:auto}
.seg{display:inline-flex;background:#E6EAE5;padding:4px;border-radius:12px;gap:4px;flex-wrap:wrap}
.seg button{min-height:38px;padding:0 14px;border:0;border-radius:9px;font:inherit;font-size:13px;font-weight:700;background:transparent;color:var(--muted);cursor:pointer}
.seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}

/* bill screen */
.pos{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-start}
.pos-main{flex:3 1 560px;min-width:0;display:flex;flex-direction:column;gap:14px}
.pos-side{flex:1 1 340px;min-width:0;display:flex;flex-direction:column;gap:14px;position:sticky;top:16px}
.search{position:relative}
.search .box{display:flex;align-items:center;gap:10px;border:2px solid var(--brand);border-radius:12px;padding:0 12px;background:#fff;min-height:52px}
.search .box input{border:0;outline:0;min-height:48px;padding:0;font-size:15px}
.search .box input:focus{outline:0}
.dropdown{position:absolute;left:0;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px -12px rgba(0,0,0,.25);z-index:20;max-height:340px;overflow-y:auto}
.dropdown button{display:flex;width:100%;justify-content:space-between;gap:12px;padding:11px 14px;border:0;border-bottom:1px solid var(--line2);background:#fff;font:inherit;font-size:14px;text-align:left;cursor:pointer;min-height:48px;align-items:center}
.dropdown button:hover,.dropdown button.act{background:var(--brand-bg)}
.qty{display:inline-flex;align-items:center;border:1px solid #CBD3CC;border-radius:8px;overflow:hidden}
.qty button{width:34px;height:36px;border:0;background:#F8FAF7;font-size:17px;cursor:pointer}
.qty input{width:62px;min-height:36px;border:0;border-radius:0;text-align:center;padding:0 4px}
.cell-in{width:96px;min-height:36px;text-align:right;padding:0 8px}
.x{width:36px;height:36px;border:0;background:transparent;color:var(--bad);font-size:20px;cursor:pointer;border-radius:8px}
.x:hover{background:var(--bad-bg)}
.pay-modes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.pay-modes button{min-height:44px;border-radius:10px;border:1px solid #CBD3CC;background:#fff;font:inherit;font-size:14px;font-weight:700;cursor:pointer}
.pay-modes button.on{border:2px solid var(--brand);background:var(--brand-bg);color:#0B5444}
.total-big{font-size:32px;font-weight:600;color:var(--brand)}
.cust-card{background:var(--brand-bg);border-radius:10px;padding:10px 12px;font-size:13px;line-height:1.5}

/* bars */
.bars{display:flex;align-items:flex-end;gap:12px;height:200px;border-bottom:1px solid var(--line);padding:0 4px;margin-top:18px}
.bars .b{flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px;height:100%}
.bars .bar{width:100%;max-width:56px;border-radius:6px 6px 0 0;background:#B9D3C9;min-height:2px}
.bars .bar.today{background:var(--brand)}
.bars-x{display:flex;gap:12px;padding:8px 4px 0}.bars-x div{flex:1 1 0;text-align:center;font-size:12px;color:var(--muted);font-weight:600}

/* modal & toast */
.modal-back{position:fixed;inset:0;background:rgba(18,36,30,.45);display:flex;align-items:flex-start;justify-content:center;padding:6vh 16px;z-index:50;overflow-y:auto}
.modal{background:#fff;border-radius:16px;width:100%;max-width:560px;padding:22px;display:flex;flex-direction:column;gap:16px;box-shadow:0 24px 60px -20px rgba(0,0,0,.4)}
.modal.wide{max-width:760px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.toasts{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;z-index:60;width:min(92vw,420px)}
.toast{background:var(--ink);color:#fff;padding:12px 16px;border-radius:12px;font-size:14px;font-weight:600;box-shadow:0 10px 30px -10px rgba(0,0,0,.4)}
.toast.err{background:var(--bad)}

/* auth */
.auth{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:var(--side)}
.auth .card{width:100%;max-width:440px;padding:28px;display:flex;flex-direction:column;gap:16px}
.auth .brand{color:var(--ink);padding:0}

/* phones & tablets */
@media (max-width:900px){
  .shell{flex-direction:column}
  .topbar{display:flex;align-items:center;justify-content:space-between;background:var(--side);color:#fff;padding:10px 16px;position:sticky;top:0;z-index:30}
  .topbar .brand{padding:0}
  .topbar button{background:var(--side2);color:#fff;border:0;border-radius:10px;min-height:44px;padding:0 14px;font:inherit;font-weight:700}
  .side{position:fixed;inset:0 30% 0 0;max-width:300px;height:100%;z-index:40;transform:translateX(-100%);transition:transform .2s}
  .side.open{transform:none;box-shadow:0 0 0 100vw rgba(0,0,0,.35)}
  .main{padding:16px 16px 40px}
  .grid2,.grid3{grid-template-columns:1fr}
  .pos-side{position:static}
  h1{font-size:22px}
}
@media print{.side,.topbar,.no-print{display:none!important}.main{padding:0}}

/* branches */
.branch-pick{display:flex;flex-direction:column;gap:4px;background:var(--side2);border-radius:10px;padding:8px 12px;margin:-4px 0 12px;font-size:14px}
.branch-pick .lbl{color:#A9BCB2;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.branch-pick select{background:var(--side);color:#fff;border:1px solid #2F5548;border-radius:8px;padding:7px 8px;font:inherit;font-size:14px;min-height:38px}
.branch-tag{display:inline-block;font-size:11px;font-weight:700;color:var(--info);background:var(--info-bg);border-radius:6px;padding:1px 6px;white-space:nowrap}
.stock-split{font-size:11px;color:var(--muted);font-weight:500;line-height:1.35}

/* invoice themes */
.themes{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.theme-card{border:2px solid var(--line);border-radius:12px;background:#fff;padding:8px;cursor:pointer;display:flex;flex-direction:column;gap:8px;font:inherit;text-align:left;color:var(--ink)}
.theme-card:hover{border-color:#9DB8AE}
.theme-card.on{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-bg)}
.theme-card b{font-size:14px}.theme-card span{font-size:12px;color:var(--muted)}
.mini{height:120px;border-radius:6px;border:1px solid var(--line2);overflow:hidden;display:flex;flex-direction:column;gap:5px;padding:8px;background:#fff}
.mini i{display:block;border-radius:2px;background:#E3E7E3;height:5px}
.preview-frame{width:100%;height:640px;border:1px solid var(--line);border-radius:12px;background:#fff}