:root{--bg:#071426;--panel:#0b172b;--line:#22395c;--text:#e5eefb;--blue:#2563eb;--cyan:#06b6d4;--green:#16a34a;--red:#dc2626;--yellow:#facc15}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#071426;color:var(--text)}a{text-decoration:none;color:inherit}.layout{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}.side{background:#06101f;border-right:1px solid var(--line);padding:20px;position:sticky;top:0;height:100vh;overflow:auto}.brand{font-size:24px;font-weight:900;color:#38bdf8}.sub{font-size:12px;color:#93a9c9;font-weight:900;margin:4px 0 24px}.side a{display:block;padding:12px;border-radius:14px;color:#dbeafe;font-weight:900;margin-bottom:8px}.side a:hover{background:#11233d}.main{padding:22px;min-width:0}.top{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:18px}.top h1{margin:0;color:#fff;font-size:28px}.pill{display:inline-flex;border-radius:999px;background:#102544;border:1px solid var(--line);padding:8px 12px;color:#bfdbfe;font-weight:900;font-size:12px}.grid{display:grid;gap:16px}.stats{grid-template-columns:repeat(4,1fr);margin-bottom:18px}.stat{background:linear-gradient(145deg,#0b172b,#102544);border:1px solid var(--line);border-radius:22px;padding:20px}.stat strong{display:block;font-size:34px;color:#38bdf8}.panel{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:20px;margin-bottom:18px}.panel h2{margin:0 0 14px}.btn{border:0;border-radius:999px;background:var(--blue);color:white;padding:11px 16px;font-weight:900;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.btn.green{background:var(--green)}.btn.red{background:var(--red)}.btn.yellow{background:var(--yellow);color:#111827}.btn.cyan{background:var(--cyan)}.btn.gray{background:#334155}.btn:disabled{opacity:.55}input,select,textarea{width:100%;border:1px solid #334155;background:#020617;color:white;border-radius:14px;padding:12px;font-size:14px}label{display:block;font-size:12px;color:#bfdbfe;font-weight:900;margin:10px 0 6px}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.form-grid.two{grid-template-columns:repeat(2,1fr)}.hint{font-size:12px;color:#93c5fd;line-height:1.5}.table{width:100%;border-collapse:collapse;font-size:13px}.table th,.table td{border-bottom:1px solid var(--line);padding:12px;text-align:left;vertical-align:middle}.thumb{width:58px;height:58px;border-radius:14px;object-fit:cover;background:#020617}.badge{display:inline-block;padding:5px 9px;border-radius:999px;background:#102544;color:#bfdbfe;font-size:12px;font-weight:900}.badge.low{background:#451a03;color:#fed7aa}.badge.out{background:#450a0a;color:#fecaca}.image-preview{width:160px;height:120px;background:#020617;border:1px dashed #334155;border-radius:18px;display:flex;align-items:center;justify-content:center;overflow:hidden;color:#93c5fd;font-size:12px}.image-preview img{width:100%;height:100%;object-fit:cover}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}.product-card{background:#0b172b;border:1px solid var(--line);border-radius:20px;padding:12px;cursor:pointer;transition:.15s}.product-card:hover{transform:translateY(-2px);border-color:#38bdf8}.product-card img{width:100%;height:110px;object-fit:cover;border-radius:15px;background:#020617}.product-card h3{font-size:15px;margin:10px 0 4px}.product-card .price{color:#facc15;font-weight:900}.pos-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:18px}.cart{position:sticky;top:20px;align-self:start}.cart-item{display:grid;grid-template-columns:1fr auto;gap:10px;border-bottom:1px solid var(--line);padding:10px 0}.qty{display:flex;align-items:center;gap:6px}.qty button{width:28px;height:28px;border:0;border-radius:8px;background:#1e3a5f;color:white;font-weight:900}.totals{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}.totals div{display:flex;justify-content:space-between;margin:8px 0;font-weight:900}.grand{font-size:22px;color:#facc15}.receipt{background:white;color:#111827;font-family:monospace;padding:20px;border-radius:12px;max-width:360px}.receipt h3{text-align:center;margin:0 0 8px}.receipt .line{border-top:1px dashed #111;margin:10px 0}.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-box{width:min(430px,94%);background:#0b172b;border:1px solid var(--line);border-radius:28px;padding:32px}.burger{display:none}.overlay{display:none}@media(max-width:1000px){.layout{display:block;padding-top:60px}.burger{display:block;position:fixed;top:12px;left:12px;z-index:3000;background:#38bdf8;color:#06101f;border:0;border-radius:12px;padding:10px 14px;font-weight:900}.side{position:fixed;left:-270px;top:0;width:250px;z-index:2000;transition:.2s}body.menu-open .side{left:0}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:1900}body.menu-open .overlay{display:block}.stats,.form-grid,.form-grid.two,.pos-layout{grid-template-columns:1fr}.main{padding:16px}.cart{position:static}}@media print{body *{visibility:hidden}.receipt,.receipt *{visibility:visible}.receipt{position:absolute;left:0;top:0;width:280px}.no-print{display:none!important}}
.cart-list-scroll{max-height:330px;overflow-y:auto;padding-right:6px;border-bottom:1px solid var(--line);margin-bottom:10px}
.receipt-modal{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:5000;display:flex;align-items:center;justify-content:center;padding:20px}
.receipt-modal-inner{background:#0b172b;border:1px solid var(--line);border-radius:22px;padding:18px;max-width:430px;width:100%;max-height:92vh;overflow:auto}
.receipt-actions{display:flex;gap:10px;justify-content:center;margin-top:12px}
.receipt{width:80mm;max-width:100%;margin:auto;background:white;color:#111827;font-family:monospace;padding:16px;border-radius:8px;font-size:13px;line-height:1.35}
.receipt-logo{display:block;max-width:70px;max-height:70px;object-fit:contain;margin:0 auto 8px}
.logo-preview{width:150px;height:110px;border:1px dashed #334155;border-radius:18px;background:#020617;display:flex;align-items:center;justify-content:center;overflow:hidden;color:#93c5fd}
.logo-preview img{max-width:100%;max-height:100%;object-fit:contain;padding:8px}
.report-tools{display:flex;gap:10px;justify-content:flex-end;margin-bottom:12px;flex-wrap:wrap}
@media(max-width:1000px){.cart-list-scroll{max-height:260px}.receipt{width:76mm}.product-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.product-grid{grid-template-columns:1fr}.receipt{width:72mm;font-size:12px}.cart-list-scroll{max-height:240px}}
@media print{.receipt-modal{position:absolute;inset:0;background:white;padding:0}.receipt-modal-inner{border:0;padding:0;max-width:none}.receipt-actions,.no-print,.side,.burger,.overlay{display:none!important}.receipt,.receipt *{visibility:visible}.receipt{position:absolute;left:0;top:0;width:80mm;border-radius:0}}

/* v1.2 product list and report scroll upgrade */
.table-scroll{
  max-height:520px;
  overflow:auto;
  border:1px solid var(--line);
  border-radius:18px;
}
.table-scroll .table{
  min-width:980px;
}
.table-scroll .table th{
  position:sticky;
  top:0;
  z-index:5;
  background:#0b172b;
  box-shadow:0 1px 0 var(--line);
}
.table-scroll::-webkit-scrollbar{
  width:10px;
  height:10px;
}
.table-scroll::-webkit-scrollbar-thumb{
  background:#1e3a5f;
  border-radius:99px;
}
.table-scroll::-webkit-scrollbar-track{
  background:#071426;
}
.products-toolbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:14px;
}
.products-toolbar input,
.products-toolbar select{
  max-width:260px;
}
.product-action-wrap{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
@media(max-width:900px){
  .table-scroll{max-height:430px}
  .table-scroll .table{min-width:900px}
  .products-toolbar{align-items:stretch}
  .products-toolbar input,.products-toolbar select{max-width:none}
}

/* v1.3 POS Lite upgrade */
.barcode-box{display:flex;gap:10px;align-items:center;margin-bottom:14px}
.barcode-box input{font-size:18px;font-weight:900;border-color:#38bdf8}
.analytics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:18px}
.analytics-card{background:linear-gradient(145deg,#0b172b,#102544);border:1px solid var(--line);border-radius:22px;padding:20px}
.analytics-card strong{display:block;font-size:30px;color:#facc15}
.alert-row-low{background:rgba(250,204,21,.06)}
.alert-row-out{background:rgba(220,38,38,.10)}
.restore-box{border:1px dashed #38bdf8;border-radius:18px;padding:18px;background:#071426}
@media(max-width:900px){.analytics-grid{grid-template-columns:1fr}.barcode-box{flex-direction:column;align-items:stretch}}

/* v1.4 cashier polish */
.pos-status-bar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  background:linear-gradient(135deg,#0b172b,#102544);
  border:1px solid var(--line);
  border-radius:22px;
  padding:14px 16px;
  margin-bottom:16px;
}
.status-left,.status-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.clock-pill{
  background:#071426;
  border:1px solid #1e3a5f;
  color:#bfdbfe;
  border-radius:999px;
  padding:10px 14px;
  font-weight:900;
}
.scan-mini{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:12px;
}
.scan-mini input{
  max-width:340px;
  border-color:#1e3a5f;
  font-size:14px;
}
.scan-mini .hint{margin:0}
.analytics-hero{
  background:linear-gradient(135deg,#0b172b,#12345b);
  border:1px solid var(--line);
  border-radius:28px;
  padding:24px;
  margin-bottom:18px;
}
.analytics-hero h2{margin:0 0 8px;font-size:28px}
.analytics-grid.pretty{grid-template-columns:repeat(3,1fr)}
.analytics-card.pretty{
  position:relative;
  overflow:hidden;
  min-height:150px;
  border-radius:28px;
  padding:24px;
}
.analytics-card.pretty:after{
  content:"";
  position:absolute;
  width:160px;
  height:160px;
  border-radius:50%;
  right:-60px;
  top:-60px;
  background:rgba(56,189,248,.14);
}
.analytics-card .label{color:#bfdbfe;font-weight:900}
.analytics-card .mini{color:#93c5fd;margin-top:8px;line-height:1.6}
.cash-card{
  background:linear-gradient(145deg,#052e16,#0b172b);
  border:1px solid #16a34a;
  border-radius:24px;
  padding:22px;
}
.cash-card strong{display:block;font-size:36px;color:#86efac}
.quick-cash{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
@media(max-width:1000px){
  .analytics-grid.pretty{grid-template-columns:1fr}
  .scan-mini{display:block}
  .scan-mini input{max-width:none}
  .pos-status-bar{align-items:stretch}
}

/* v1.5 final sidebar + checkout safety */
.side{transition:width .22s ease,left .22s ease}
.side-collapse{
  position:absolute;
  top:14px;
  right:10px;
  width:34px;
  height:34px;
  border:0;
  border-radius:12px;
  background:#102544;
  color:#38bdf8;
  font-weight:900;
  cursor:pointer;
}
.nav-ico{
  display:inline-flex;
  width:24px;
  justify-content:center;
  margin-right:10px;
}
body.side-collapsed .layout{grid-template-columns:82px minmax(0,1fr)}
body.side-collapsed .side{width:82px;padding:18px 10px}
body.side-collapsed .nav-label,body.side-collapsed .sub{display:none}
body.side-collapsed .brand{font-size:20px;text-align:center;margin-top:38px}
body.side-collapsed .nav-ico{margin-right:0;font-size:20px}
body.side-collapsed .side a{display:flex;align-items:center;justify-content:center;padding:13px 8px}
body.side-collapsed .side-collapse{right:23px}
#completeSaleBtn.disabled,#completeSaleBtn:disabled{
  opacity:.45;
  cursor:not-allowed;
  filter:grayscale(.35);
}
.payment-warning{
  color:#fecaca;
  background:#450a0a;
  border:1px solid #dc2626;
  border-radius:12px;
  padding:8px 10px;
  margin:10px 0;
  display:none;
  font-weight:900;
}
@media(max-width:1000px){
  body.side-collapsed .layout{display:block}
  body.side-collapsed .side{width:250px}
  body.side-collapsed .nav-label,body.side-collapsed .sub{display:inline}
  body.side-collapsed .side a{justify-content:flex-start}
}

/* v1.6 fixed final */
.side-toggle-fixed{
  position:absolute;
  top:14px;
  right:12px;
  width:36px;
  height:36px;
  border:0;
  border-radius:14px;
  background:#12345b;
  color:#38bdf8;
  font-weight:900;
  cursor:pointer;
}
.nav-ico{display:inline-flex;width:24px;justify-content:center;margin-right:10px}
body.side-collapsed .layout{grid-template-columns:84px minmax(0,1fr)}
body.side-collapsed .side{width:84px;padding:18px 10px}
body.side-collapsed .nav-label,body.side-collapsed .sub{display:none!important}
body.side-collapsed .brand{font-size:20px;margin-top:40px;text-align:center}
body.side-collapsed .nav-ico{margin-right:0;font-size:20px}
body.side-collapsed .side a{display:flex;justify-content:center;align-items:center;padding:13px 8px}
.payment-warning{color:#fecaca;background:#450a0a;border:1px solid #dc2626;border-radius:12px;padding:8px 10px;margin:10px 0;display:none;font-weight:900}
#completeSaleBtn:disabled{opacity:.45;cursor:not-allowed;filter:grayscale(.4)}
.cash-help{background:#071426;border:1px solid #1e3a5f;border-radius:16px;padding:14px;margin:10px 0 16px;color:#bfdbfe;line-height:1.6}
.cash-help b{color:#facc15}
@media(max-width:1000px){
  body.side-collapsed .layout{display:block}
  body.side-collapsed .side{width:250px}
  body.side-collapsed .nav-label,body.side-collapsed .sub{display:inline!important}
  body.side-collapsed .side a{justify-content:flex-start}
}

/* v1.7 real sidebar dropdown */
.menu-drop{
  width:100%;
  border:0;
  background:#102544;
  color:#dbeafe;
  border-radius:14px;
  padding:12px;
  margin:8px 0;
  font-weight:900;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:15px;
}
.menu-drop:hover,.menu-drop.active{background:#12345b;color:#38bdf8}
.drop-panel{display:none;padding:4px 0 8px 14px;border-left:1px solid #1e3a5f;margin-left:10px}
.drop-panel.open{display:block}
.drop-panel a{font-size:14px;margin:3px 0;padding:9px 10px;background:transparent}
.drop-panel a:hover{background:#0f2745;color:#38bdf8}
.side .brand{padding-right:0}

/* SAFE FIX: no PHP structure edits */
.product-grid{
  max-height:430px!important;
  overflow-y:auto!important;
  overflow-x:hidden!important;
  padding-right:8px!important;
}
.product-grid::-webkit-scrollbar{
  width:10px;
}
.product-grid::-webkit-scrollbar-thumb{
  background:#1e3a5f;
  border-radius:99px;
}
.product-grid::-webkit-scrollbar-track{
  background:#071426;
}
.safe-hide-side-btn,
.safe-show-side-btn{
  position:fixed;
  left:10px;
  z-index:6000;
  border:0;
  border-radius:10px;
  padding:8px 11px;
  font-weight:900;
  cursor:pointer;
}
.safe-hide-side-btn{
  top:10px;
  background:#12345b;
  color:#38bdf8;
}
.safe-show-side-btn{
  top:10px;
  background:#38bdf8;
  color:#06101f;
  display:none;
}
body.safe-side-hidden .layout{
  grid-template-columns:0 minmax(0,1fr)!important;
}
body.safe-side-hidden .side{
  transform:translateX(-260px)!important;
  width:0!important;
  min-width:0!important;
  padding:0!important;
  overflow:hidden!important;
  border-right:0!important;
}
body.safe-side-hidden .main{
  padding-left:18px!important;
}
@media(max-width:1000px){
  .product-grid{
    max-height:360px!important;
  }
}