:root{
  --navy:#0A1B45; --blue:#003C96; --sky:#1E96F0; --ink:#0D1B3E; --mute:#5B6B8C; --surface:#F0F4FA; --card:#fff;
  --line:#D9E2F0; --ok:#16A34A; --warn:#D97706; --bad:#DC2626; --radius:12px;
  --shadow:0 1px 2px rgba(13,27,62,.06),0 6px 20px rgba(13,27,62,.06);
}
*{box-sizing:border-box}
[x-cloak]{display:none !important}
html,body{margin:0;height:100%}
body{font:14px/1.45 'Segoe UI',system-ui,-apple-system,Roboto,sans-serif;color:var(--ink);background:var(--surface)}
h1,h2,h3{margin:0;font-weight:700}
.muted{color:var(--mute)} .tiny{font-size:12px} .grow{flex:1} .error{color:var(--bad);font-weight:600;margin:6px 0}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap} .row.end{justify-content:flex-end} .row.between{justify-content:space-between}
.right{text-align:right} .center{text-align:center} .nowrap{white-space:nowrap}

/* inputs */
label{display:block;font-weight:600;font-size:12.5px;margin:12px 0 4px;color:#30406a}
input,select,textarea{width:100%;font:inherit;padding:9px 12px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);outline:none;transition:border .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--sky);box-shadow:0 0 0 3px rgba(30,150,240,.18)}
input[type=checkbox]{width:auto;accent-color:var(--sky)}
input[type=number]{-moz-appearance:textfield} input[type=number]::-webkit-inner-spin-button{opacity:.4}

/* buttons */
.btn{font:600 14px 'Segoe UI',system-ui,sans-serif;padding:9px 16px;border-radius:10px;border:1.5px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;transition:transform .05s,box-shadow .15s,background .15s;white-space:nowrap}
.btn:hover{box-shadow:var(--shadow)} .btn:active{transform:translateY(1px)} .btn:disabled{opacity:.55;cursor:not-allowed}
.btn.primary{background:linear-gradient(135deg,#1E96F0,#0A5BD0);border-color:transparent;color:#fff}
.btn.success{background:linear-gradient(135deg,#1DB66B,#12894F);border-color:transparent;color:#fff}
.btn.danger{background:#fff;color:var(--bad);border-color:#F3C2C2}
.btn.big{padding:13px 20px;font-size:16px;width:100%}
.btn.small{padding:5px 10px;font-size:12.5px;border-radius:8px}
.link{background:none;border:0;color:var(--sky);font-weight:600;cursor:pointer}
.icon-btn{background:none;border:0;font-size:18px;cursor:pointer;color:inherit;padding:6px 8px;border-radius:8px} .icon-btn:hover{background:rgba(127,150,200,.18)}

/* login */
.login{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:linear-gradient(160deg,#07123A,#0A1B45 55%,#003C96)}
.login-art{position:relative;color:#fff;padding:56px;display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.login-art .rings{position:absolute;right:-180px;top:-180px;width:640px;height:640px;border-radius:50%;box-shadow:0 0 0 70px rgba(80,170,255,.06),0 0 0 140px rgba(80,170,255,.05),0 0 0 210px rgba(80,170,255,.04)}
.login-logo{width:240px;background:#fff;border-radius:22px;padding:16px 26px;margin-bottom:36px;position:relative}
.login-art h1{font-size:44px;line-height:1.08;letter-spacing:-1px;max-width:560px;position:relative} .login-art h1 span{color:#3DCBFF}
.login-art p{color:#B9CBEA;font-size:17px;max-width:460px;position:relative}
.login-card{align-self:center;justify-self:center;width:min(400px,92vw);background:#fff;border-radius:22px;padding:34px;box-shadow:0 30px 80px rgba(0,0,0,.4)}
.login-mark{width:54px;border-radius:14px;margin-bottom:12px} .login-card h2{font-size:24px} .login-card .btn{margin-top:16px}
.pw{position:relative} .pw .link{position:absolute;right:10px;top:50%;transform:translateY(-50%)}

/* shell */
.app{display:grid;grid-template-columns:232px 1fr;height:100vh}
.side{background:linear-gradient(180deg,#0F2766,#0A1B45);color:#fff;display:flex;flex-direction:column;overflow:auto}
.brand{display:flex;gap:10px;align-items:center;padding:18px 18px 12px} .brand img{width:38px;height:38px;border-radius:10px}
.brand b{letter-spacing:3px;font-size:15px;display:block} .brand small{letter-spacing:4px;font-size:10px;color:#8FB6F5}
nav{flex:1;padding:6px 10px;display:flex;flex-direction:column;gap:2px}
nav a{color:#CFE0FF;text-decoration:none;padding:10px 12px;border-radius:10px;font-weight:600;font-size:13.5px}
nav a:hover{background:rgba(120,170,255,.14)} nav a.active{background:linear-gradient(90deg,#1E96F0,#0A5BD0);color:#fff;box-shadow:0 4px 14px rgba(30,150,240,.4)}
.who{display:flex;gap:10px;align-items:center;padding:14px;border-top:1px solid rgba(255,255,255,.1)}
.who small{display:block;color:#8FB6F5;font-size:11px} .who>div:nth-child(2){flex:1;min-width:0} .who b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.avatar{width:34px;height:34px;border-radius:50%;background:#1E96F0;display:flex;align-items:center;justify-content:center;font-weight:700}
.main{display:flex;flex-direction:column;min-width:0;height:100vh}
.top{display:flex;align-items:center;gap:14px;height:60px;padding:0 20px;background:#fff;border-bottom:1px solid var(--line);flex:none}
.top h2{font-size:18px;color:var(--blue)} .shopname{font-weight:700;color:var(--blue)} .clock{color:var(--mute);font-size:13px}
.burger{display:none}
.content{flex:1;overflow:auto;padding:20px}
.scrim{display:none}

/* cards, tables */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.card h3{font-size:15px;margin-bottom:10px;color:var(--blue)}
.grid{display:grid;gap:16px} .g4{grid-template-columns:repeat(4,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g2{grid-template-columns:1fr 1fr}
.stat{position:relative;overflow:hidden} .stat .v{font-size:26px;font-weight:800;letter-spacing:-.5px} .stat .l{color:var(--mute);font-weight:600}
.stat::after{content:'';position:absolute;right:-26px;top:-26px;width:90px;height:90px;border-radius:50%;background:radial-gradient(circle,rgba(30,150,240,.22),transparent 70%)}
.stat.warn::after{background:radial-gradient(circle,rgba(217,119,6,.25),transparent 70%)} .stat.bad::after{background:radial-gradient(circle,rgba(220,38,38,.22),transparent 70%)} .stat.ok::after{background:radial-gradient(circle,rgba(22,163,74,.22),transparent 70%)}
.tbl{width:100%;border-collapse:collapse} .tbl th{font-size:11.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--mute);text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);background:#F7F9FD;position:sticky;top:0}
.tbl td{padding:9px 10px;border-bottom:1px solid #EDF1F8;vertical-align:middle} .tbl tr:hover td{background:#F8FBFF}
.tbl .r{text-align:right} .tbl .c{text-align:center}
.scroll-x{overflow:auto;max-height:calc(100vh - 230px);border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.pill{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:700;background:#E8F3FE;color:#0A5CB8}
.pill.ok{background:#E3F6EA;color:#12783F} .pill.warn{background:#FFF1D9;color:#9A5B00} .pill.bad{background:#FDE5E5;color:#B42318} .pill.grey{background:#EEF1F6;color:#58657f}
.thumb{width:40px;height:40px;object-fit:contain;border-radius:8px;background:#F3F6FB;border:1px solid var(--line)}
.bars{display:flex;align-items:flex-end;gap:4px;height:120px;padding-top:8px}
.bars div{flex:1;background:linear-gradient(180deg,#3DCBFF,#1E96F0);border-radius:5px 5px 0 0;min-height:2px;position:relative}
.bars div:hover::after{content:attr(data-tip);position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background:#0D1B3E;color:#fff;padding:3px 7px;border-radius:6px;font-size:11px;white-space:nowrap;margin-bottom:4px}
.axis{display:flex;justify-content:space-between;color:var(--mute);font-size:11px;margin-top:4px}
.list-row{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line)} .list-row:last-child{border:0}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px} .toolbar input[type=search],.toolbar .search{max-width:340px}

/* modal + toast */
.modal-bg{position:fixed;inset:0;background:rgba(7,18,58,.55);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}
.modal{background:#fff;border-radius:18px;padding:24px;width:min(520px,100%);max-height:92vh;overflow:auto;box-shadow:0 30px 80px rgba(0,0,0,.4)}
.modal.wide{width:min(760px,100%)} .modal h3{font-size:18px;color:var(--blue);margin-bottom:6px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px} .form-grid .full{grid-column:1/-1}
.toasts{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:99}
.toast{background:#0D1B3E;color:#fff;padding:11px 16px;border-radius:12px;box-shadow:var(--shadow);font-weight:600;max-width:380px;border-left:5px solid #3DCBFF}
.toast.ok{border-color:#2EC27E} .toast.err{border-color:#FF6B6B;background:#3A0F14}

/* POS */
.pos{display:grid;grid-template-columns:1fr 390px;gap:16px;height:calc(100vh - 100px)}
.pos-left{display:flex;flex-direction:column;min-height:0;min-width:0}
.search-row{display:flex;gap:10px;margin-bottom:10px}
.search-row input{font-size:16px;padding:12px 14px;border-color:#9DD4F7}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:6px;scrollbar-width:thin}
.chip{flex:none;padding:6px 14px;border-radius:20px;background:#fff;border:1.5px solid var(--line);font-weight:600;font-size:13px;cursor:pointer;color:#35466f}
.chip.on{background:var(--sky);border-color:var(--sky);color:#fff}
.items{flex:1;overflow:auto;display:grid;grid-auto-rows:max-content;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px;align-content:start;padding:2px 2px 12px}
.icard{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;cursor:pointer;box-shadow:var(--shadow);transition:transform .12s,box-shadow .15s,border-color .15s;position:relative;text-align:left;padding:0}
.icard:hover{transform:translateY(-2px);border-color:var(--sky);box-shadow:0 10px 26px rgba(30,150,240,.22)}
.icard .ph{height:112px;background:linear-gradient(160deg,#EAF3FF,#F7FAFF);display:flex;align-items:center;justify-content:center;position:relative}
.icard .ph img{max-width:86%;max-height:92px;object-fit:contain;mix-blend-mode:multiply}
.icard .ph .noimg{font-size:26px;opacity:.3}
.icard .nm{font-weight:700;font-size:13px;padding:8px 10px 0;line-height:1.25;height:38px;overflow:hidden}
.icard .bt{display:flex;justify-content:space-between;align-items:center;padding:6px 10px 4px}
.icard .pr{font-weight:800;color:var(--blue)} .icard .plus{width:30px;height:30px;border-radius:50%;background:var(--sky);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700}
.icard .stk{margin:0 10px 10px;font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:20px;display:inline-block}
.stk.ok{background:#E3F6EA;color:#12783F} .stk.low{background:#FFF1D9;color:#9A5B00} .stk.out{background:#FDE5E5;color:#B42318}
.cartbox{display:flex;flex-direction:column;min-height:0;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.cartbox .sec{padding:12px 14px;border-bottom:1px solid var(--line)}
.cart-lines{flex:1;overflow:auto;padding:4px 14px}
.cl{display:grid;grid-template-columns:1fr auto;gap:2px 8px;padding:9px 0;border-bottom:1px dashed var(--line)}
.cl .nm{font-weight:700;font-size:13.5px} .cl .sub{color:var(--mute);font-size:12px}
.qtybox{display:flex;align-items:center;gap:4px} .qtybox button{width:26px;height:26px;border-radius:8px;border:1.5px solid var(--line);background:#fff;font-weight:700;cursor:pointer}
.qtybox input{width:60px;padding:4px 6px;text-align:center;border-radius:8px} .dsc{width:52px !important}
.totals{padding:10px 14px;background:#F7F9FD;border-top:1px solid var(--line)} .totals .t{display:flex;justify-content:space-between;padding:2px 0}
.totals .g{font-size:20px;font-weight:800;color:var(--blue)}
.cust-pick{position:relative} .dropdown{position:absolute;left:0;right:0;top:100%;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);z-index:20;max-height:220px;overflow:auto}
.dropdown button{display:flex;justify-content:space-between;width:100%;padding:8px 12px;border:0;background:#fff;text-align:left;cursor:pointer;font:inherit} .dropdown button:hover{background:#EAF3FF}
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:8px 0}
.method{padding:12px 6px;border-radius:12px;border:2px solid var(--line);background:#fff;font-weight:700;cursor:pointer;text-align:center}
.method.on{border-color:var(--sky);background:#EAF5FF;color:#0A5CB8}
.bigtotal{font-size:34px;font-weight:800;color:var(--blue);text-align:center;letter-spacing:-1px}
.ok-badge{width:64px;height:64px;border-radius:50%;background:#E3F6EA;color:#12783F;font-size:34px;display:flex;align-items:center;justify-content:center;margin:0 auto 8px}

/* price check */
.pc{max-width:760px;margin:30px auto;text-align:center}
.pc input{font-size:24px;padding:18px 22px;border-radius:18px;text-align:center;border:2px solid var(--sky)}
.pc .res{margin-top:26px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--shadow)}
.pc .res img{height:200px;max-width:100%;object-fit:contain;mix-blend-mode:multiply}
.pc .price{font-size:64px;font-weight:800;color:var(--blue);letter-spacing:-2px}

/* responsive */
@media (max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)} .pos{grid-template-columns:1fr 340px}}
@media (max-width:860px){
  .login{grid-template-columns:1fr} .login-art{display:none}
  .app{grid-template-columns:1fr} .side{position:fixed;left:0;top:0;bottom:0;width:250px;z-index:40;transform:translateX(-105%);transition:transform .2s} .side.open{transform:none}
  .scrim{display:block;position:fixed;inset:0;background:rgba(7,18,58,.5);z-index:30} .burger{display:inline-block} .clock,.shopname{display:none}
  .g3,.g2{grid-template-columns:1fr} .pos{grid-template-columns:1fr;height:auto} .items{max-height:60vh} .cartbox{min-height:420px}
  .content{padding:12px} .form-grid{grid-template-columns:1fr}
}
@media print{.side,.top,.toasts{display:none !important}}

/* ledger customer list */
.dropdown-row{display:flex;justify-content:space-between;gap:10px;width:100%;padding:9px 10px;border:0;border-bottom:1px solid #EDF1F8;background:#fff;text-align:left;cursor:pointer;font:inherit;border-radius:8px}
.dropdown-row:hover{background:#F0F7FF} .dropdown-row.on{background:#E3F1FF}

/* tabs used by Warehouse */
.tabs{display:inline-flex;gap:4px;background:#E6ECF6;padding:4px;border-radius:12px}
.tabs button{font:600 14px 'Segoe UI',system-ui,sans-serif;border:0;background:transparent;color:var(--mute);padding:7px 16px;border-radius:9px;cursor:pointer}
.tabs button.on{background:#fff;color:var(--blue);box-shadow:var(--shadow)}
.tabs .pill{margin-left:6px}

/* two-column pages stack on phones */
@media (max-width:820px){.split{grid-template-columns:1fr !important}.g2,.g3,.g4{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.g2,.g3,.g4{grid-template-columns:1fr}}