:root{
  --yellow:#ffc400;
  --yellow2:#ffda3d;
  --black:#0a0a0a;
  --panel:#151515;
  --panel2:#1c1c1c;
  --line:#303030;
  --text:#f4f4f4;
  --muted:#a7a7a7;
  --danger:#e05252;
  --ok:#35b56b;
  --warn:#e8a93a;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;background:#0d0d0d;color:var(--text);font-size:14px}
button,input,select,textarea{font:inherit}
input,select,textarea{
  width:100%;background:#101010;color:#fff;border:1px solid var(--line);
  border-radius:8px;padding:11px 12px;outline:none
}
input:focus,select:focus,textarea:focus{border-color:var(--yellow)}
label{display:block;color:#d7d7d7;font-size:12px;font-weight:700;margin:10px 0 6px}
.hidden{display:none!important}
.muted{color:var(--muted)}
.mt{margin-top:16px}
.login-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top,#242000,#080808 55%)}
.login-card{width:min(430px,100%);background:#111;border:1px solid #282828;border-radius:18px;padding:32px;box-shadow:0 20px 60px #0008}
.login-logo{display:block;max-width:240px;max-height:120px;object-fit:contain;margin:0 auto 10px}
.login-card h1{text-align:center;margin:8px 0 2px;color:var(--yellow);letter-spacing:2px}
.login-card .muted{text-align:center;margin-top:0}
.demo-box{margin-top:16px;padding:12px;background:#1d1a07;border:1px solid #463b08;border-radius:8px;color:#e8d67d;font-size:12px}
.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;background:#090909;border-right:1px solid #242424;padding:18px 12px;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:10px;padding:5px 7px 16px;border-bottom:1px solid #222;margin-bottom:12px}
.brand img{width:58px;height:42px;object-fit:contain}
.brand strong{display:block;color:var(--yellow);font-size:14px;letter-spacing:.5px}
.brand span{font-size:10px;color:#aaa}
nav{display:flex;flex-direction:column;gap:5px}
.nav-btn{border:0;background:transparent;color:#cfcfcf;text-align:left;padding:11px 12px;border-radius:8px;cursor:pointer}
.nav-btn:hover{background:#171717}
.nav-btn.active{background:var(--yellow);color:#000;font-weight:900}
.sidebar-bottom{margin-top:auto}
.user-chip{padding:10px 12px;background:#141414;border:1px solid #242424;border-radius:8px;margin-bottom:8px}
.main{min-width:0}
.topbar{position:sticky;top:0;z-index:5;background:#0d0d0deF;backdrop-filter:blur(10px);border-bottom:1px solid #242424;padding:14px 20px;display:flex;justify-content:space-between;align-items:center}
.topbar h2{margin:0 0 4px;font-size:22px}
.top-actions{display:flex;align-items:center;gap:8px}
.content{padding:20px}
.page{display:none}
.page.active{display:block}
.panel{background:var(--panel);border:1px solid #292929;border-radius:12px;padding:16px;box-shadow:0 8px 25px #0002}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}
.panel-head h3{margin:0;font-size:16px}
.panel-head p{margin:4px 0 0;font-size:12px}
.btn{border:0;border-radius:8px;padding:10px 14px;font-weight:800;cursor:pointer}
.btn-primary{background:var(--yellow);color:#080808}
.btn-primary:hover{background:var(--yellow2)}
.btn-ghost{background:#1b1b1b;color:#fff;border:1px solid #333}
.btn-danger{background:#3b1717;color:#ffb0b0;border:1px solid #612020}
.btn-small{padding:7px 9px;font-size:11px}
.btn-lg{padding:14px}
.btn-block{width:100%;margin-top:10px}
.icon-btn{width:34px;height:34px;border-radius:50%;border:0;background:#222;color:#fff;font-size:22px;cursor:pointer}
.badge{display:inline-block;padding:5px 8px;border-radius:999px;background:#17311f;color:#81eca8;border:1px solid #28593a;font-size:11px;font-weight:800}
.badge.warn{background:#3a2c11;color:#ffd477;border-color:#6b531b}
.badge.danger{background:#381818;color:#ff9e9e;border-color:#692a2a}
.stats-grid{display:grid;grid-template-columns:repeat(6,minmax(140px,1fr));gap:10px}
.stats-grid.compact{margin-top:12px}
.stat{background:linear-gradient(145deg,#171717,#121212);border:1px solid #292929;border-radius:10px;padding:14px}
.stat span{display:block;color:#a9a9a9;font-size:11px;margin-bottom:9px}
.stat strong{font-size:20px;color:#fff}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;min-width:680px}
th,td{text-align:left;padding:10px 9px;border-bottom:1px solid #292929;white-space:nowrap}
th{color:#999;font-size:11px;text-transform:uppercase;letter-spacing:.3px}
td{font-size:13px}
td strong{color:#fff}
.status-ok{color:#77e6a0}.status-low{color:#ffcf6f}.status-out{color:#ff8d8d}
.pos-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:16px}
.pos-toolbar{display:grid;grid-template-columns:1fr 220px;gap:10px;margin-bottom:14px}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.product-card{background:#1a1a1a;border:1px solid #303030;border-radius:10px;padding:14px;cursor:pointer;transition:.15s}
.product-card:hover{border-color:var(--yellow);transform:translateY(-1px)}
.product-card .cat{font-size:10px;color:#888;text-transform:uppercase}
.product-card h4{margin:7px 0 14px;font-size:14px}
.product-card .price{color:var(--yellow);font-size:17px;font-weight:900}
.product-card.disabled{opacity:.4;pointer-events:none}
.cart-panel{position:sticky;top:88px;height:fit-content}
.order-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.cart-items{margin:12px 0;max-height:390px;overflow:auto;border-top:1px solid #292929}
.cart-line{display:grid;grid-template-columns:1fr auto;gap:8px;padding:10px 0;border-bottom:1px solid #292929}
.cart-line h4{margin:0 0 5px;font-size:13px}
.cart-line small{color:#888}
.qty-controls{display:flex;align-items:center;gap:6px}
.qty-controls button{width:27px;height:27px;border:1px solid #363636;border-radius:6px;background:#202020;color:#fff;cursor:pointer}
.discount-row{display:grid;grid-template-columns:1fr 90px 70px;gap:7px;align-items:end;margin:12px 0}
.totals{border-top:1px solid #333;border-bottom:1px solid #333;padding:10px 0;margin:10px 0 14px}
.totals>div{display:flex;justify-content:space-between;padding:5px 0}
.totals .grand{font-size:18px;color:var(--yellow)}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px 14px}
.form-span{grid-column:1/-1}
.inline-form{display:grid;grid-template-columns:1.1fr 1fr 1.1fr 1.5fr auto;gap:8px;align-items:end}
.report-filter{display:flex;gap:7px;align-items:center}
.report-filter input{width:150px}
.summary-list>div,.kv>div{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid #292929}
.summary-list b,.kv b{color:#fff}
.progress{height:8px;background:#262626;border-radius:99px;overflow:hidden;margin-top:5px}
.progress>span{height:100%;background:var(--yellow);display:block}
.closing-preview{margin:14px 0;background:#101010;border:1px solid #292929;border-radius:8px;padding:12px}
.modal{position:fixed;inset:0;z-index:50;background:#000b;display:grid;place-items:center;padding:20px}
.modal-card{width:min(720px,100%);max-height:90vh;overflow:auto;background:#111;border:1px solid #363636;border-radius:14px;padding:18px;box-shadow:0 30px 80px #000}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.modal-head h3{margin:0}
.recipe-row{display:grid;grid-template-columns:1.4fr 1fr auto;gap:7px;margin:7px 0}
.receipt-card{width:min(420px,100%);background:white;color:#111}
.receipt{font-family:"Courier New",monospace;font-size:12px}
.receipt .r-logo{display:block;max-width:180px;max-height:90px;object-fit:contain;margin:0 auto}
.receipt h2{text-align:center;margin:8px 0}
.receipt .center{text-align:center}
.receipt hr{border:0;border-top:1px dashed #555;margin:10px 0}
.receipt .rline{display:flex;justify-content:space-between;gap:8px;padding:2px 0}
.receipt-actions{display:flex;gap:8px;margin-top:16px}
.file-btn{text-align:center;display:block}
.toast{position:fixed;right:20px;bottom:20px;z-index:99;background:#202020;border:1px solid #444;color:#fff;padding:12px 16px;border-radius:9px;opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}
.toast.show{opacity:1;transform:none}
.toast.good{border-color:#296a40}.toast.bad{border-color:#7a2f2f}
@media(max-width:1100px){
  .stats-grid{grid-template-columns:repeat(3,1fr)}
  .pos-layout{grid-template-columns:1fr}
  .cart-panel{position:static}
}
@media(max-width:780px){
  .app{grid-template-columns:1fr}
  .sidebar{position:static;height:auto;padding:10px}
  .brand{justify-content:center}
  nav{display:grid;grid-template-columns:repeat(3,1fr)}
  .nav-btn{text-align:center;font-size:11px}
  .sidebar-bottom{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
  .user-chip{margin:0}
  .topbar{top:0}
  .content{padding:10px}
  .grid-2{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
  .inline-form{grid-template-columns:1fr}
  .pos-toolbar{grid-template-columns:1fr}
}
@media print{
  body *{visibility:hidden}
  #receiptContent,#receiptContent *{visibility:visible}
  #receiptContent{position:absolute;left:0;top:0;width:100%;color:#000;background:#fff}
}