:root {
    --plum:#3D1C4E; --plum-light:#5a2d72; --plum-dark:#280f34;
    --gold:#C9973A; --gold-light:#E8B96A; --gold-pale:#FDF3E0;
    --surface:#FAFAF8; --card:#FFFFFF; --border:#E8E0F0;
    --text:#1A0D25; --text-muted:#7B6A8B; --text-light:#B0A3BE;
    --success:#2E7D5B; --success-bg:#E8F5EE;
    --danger:#C0392B; --danger-bg:#FDEDEC;
    --warning:#D4891A; --warning-bg:#FEF3E0;
    --info:#1A6E9E; --info-bg:#E3F1FA;
    --sidebar-w:220px; --header-h:62px;
  }
  * { box-sizing:border-box; margin:0; padding:0; }
  body { font-family:'DM Sans',sans-serif; background:var(--surface); color:var(--text); height:100vh; overflow:hidden; display:flex; flex-direction:column; }

  /* HEADER */
  header { background:var(--plum); height:var(--header-h); display:flex; align-items:center; padding:0 20px; gap:14px; flex-shrink:0; position:relative; z-index:100; }
  .logo { display:flex; align-items:center; gap:10px; }
  .logo-icon { width:36px; height:36px; background:var(--gold); border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:18px; }
  .logo-text { font-family:'Cormorant Garamond',serif; font-size:20px; font-weight:600; color:#FFF; line-height:1.1; }
  .logo-text span { color:var(--gold-light); font-weight:400; font-size:12px; display:block; }

  /* SCANNER INDICATOR */
  .scanner-bar {
    background:rgba(255,255,255,0.08);
    border:1px solid rgba(255,255,255,0.18);
    border-radius:8px;
    padding:6px 14px;
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:rgba(255,255,255,0.8);
    cursor:pointer;
    transition:background 0.15s;
    position:relative;
  }
  .scanner-bar input {
    position:absolute;
    opacity:0;
    width:1px;
    height:1px;
    border:none;
    background:transparent;
    outline:none;
  }
  .scanner-dot { width:8px; height:8px; border-radius:50%; background:#6FD4A8; animation:pulse 2s infinite; flex-shrink:0; }
  .scanner-dot.inactive { background:#888; animation:none; }
  .scanner-dot.flash { background:#FFD700 !important; animation:none; }
  @keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

  .header-spacer { flex:1; }
  .header-info { display:flex; align-items:center; gap:18px; font-size:13px; color:rgba(255,255,255,0.7); }
  .header-info strong { color:#fff; }
  .btn-header { background:rgba(255,255,255,0.12); border:1px solid rgba(255,255,255,0.2); color:#fff; padding:6px 14px; border-radius:6px; font-size:13px; cursor:pointer; font-family:'DM Sans',sans-serif; transition:background 0.15s; }
  .btn-header:hover { background:rgba(255,255,255,0.22); }

  /* APP BODY */
  .app-body { display:flex; flex:1; overflow:hidden; }

  /* SIDEBAR */
  nav { width:var(--sidebar-w); background:var(--plum-dark); display:flex; flex-direction:column; padding:16px 0; flex-shrink:0; }
  .nav-section-label { font-size:10px; font-weight:600; color:rgba(255,255,255,0.35); letter-spacing:1.2px; text-transform:uppercase; padding:14px 20px 6px; }
  .nav-item { display:flex; align-items:center; gap:10px; padding:10px 20px; color:rgba(255,255,255,0.65); cursor:pointer; font-size:14px; transition:all 0.15s; border-left:3px solid transparent; margin:1px 0; }
  .nav-item .nav-icon { font-size:16px; width:20px; text-align:center; flex-shrink:0; }
  .nav-item:hover { background:rgba(255,255,255,0.07); color:#fff; }
  .nav-item.active { background:rgba(201,151,58,0.15); color:var(--gold-light); border-left-color:var(--gold); font-weight:500; }
  .nav-footer { margin-top:auto; padding:14px 20px; font-size:11px; color:rgba(255,255,255,0.3); text-align:center; border-top:1px solid rgba(255,255,255,0.07); }

  /* PAGES */
  .page { display:none; flex:1; overflow:hidden; }
  .page.active { display:flex; }
  .scroll { overflow-y:auto; flex:1; }
  .scroll::-webkit-scrollbar { width:5px; }
  .scroll::-webkit-scrollbar-thumb { background:var(--border); border-radius:10px; }

  /* PAGE HEADER */
  .page-header { padding:16px 24px; border-bottom:1px solid var(--border); background:var(--card); display:flex; align-items:center; gap:12px; flex-shrink:0; }
  .page-title { font-family:'Cormorant Garamond',serif; font-size:22px; font-weight:600; color:var(--plum); flex:1; }
  .page-subtitle { font-size:13px; color:var(--text-muted); margin-top:2px; }

  /* BUTTONS */
  .btn { padding:9px 18px; border-radius:8px; font-size:13px; font-weight:500; cursor:pointer; border:none; font-family:'DM Sans',sans-serif; transition:all 0.15s; display:inline-flex; align-items:center; gap:6px; }
  .btn-primary { background:var(--plum); color:#fff; }
  .btn-primary:hover { background:var(--plum-light); }
  .btn-gold { background:var(--gold); color:#fff; }
  .btn-gold:hover { background:var(--gold-light); color:var(--plum); }
  .btn-outline { background:transparent; color:var(--plum); border:1px solid var(--border); }
  .btn-outline:hover { background:var(--surface); }
  .btn-danger { background:var(--danger-bg); color:var(--danger); border:1px solid #F5C6C0; }
  .btn-success { background:var(--success-bg); color:var(--success); border:1px solid #A8D8C0; }
  .btn-sm { padding:5px 12px; font-size:12px; }
  .btn-icon { padding:6px 8px; border-radius:6px; }
  .btn-block { width:100%; justify-content:center; }
  .btn:disabled { opacity:0.5; cursor:not-allowed; }

  /* BADGES */
  .badge { display:inline-flex; align-items:center; padding:3px 8px; border-radius:20px; font-size:11px; font-weight:500; }
  .badge-success { background:var(--success-bg); color:var(--success); }
  .badge-warning { background:var(--warning-bg); color:var(--warning); }
  .badge-danger { background:var(--danger-bg); color:var(--danger); }
  .badge-info { background:var(--info-bg); color:var(--info); }
  .badge-gold { background:var(--gold-pale); color:var(--gold); }

  /* CARDS */
  .card { background:var(--card); border:1px solid var(--border); border-radius:12px; overflow:hidden; }
  .card-body { padding:16px; }
  .stat-card { background:var(--card); border:1px solid var(--border); border-radius:12px; padding:18px 20px; position:relative; overflow:hidden; }
  .stat-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:var(--gold); }
  .stat-label { font-size:12px; color:var(--text-muted); font-weight:500; margin-bottom:6px; }
  .stat-value { font-family:'Cormorant Garamond',serif; font-size:28px; font-weight:700; color:var(--plum); }
  .stat-sub { font-size:12px; color:var(--text-muted); margin-top:4px; }
  .stat-icon { position:absolute; top:16px; right:16px; font-size:22px; opacity:0.3; }

  /* FORMS */
  .form-group { margin-bottom:14px; }
  .form-label { display:block; font-size:12px; font-weight:500; color:var(--text-muted); margin-bottom:5px; }
  .form-control { width:100%; padding:9px 12px; border:1px solid var(--border); border-radius:8px; font-size:14px; font-family:'DM Sans',sans-serif; background:var(--card); color:var(--text); transition:border-color 0.15s; }
  .form-control:focus { outline:none; border-color:var(--plum); }
  .form-control::placeholder { color:var(--text-light); }
  select.form-control { cursor:pointer; }

  /* TABLE */
  table { width:100%; border-collapse:collapse; }
  th { font-size:11px; font-weight:600; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.5px; padding:10px 14px; text-align:left; border-bottom:1px solid var(--border); background:var(--surface); }
  td { padding:11px 14px; font-size:14px; border-bottom:1px solid var(--border); vertical-align:middle; }
  tr:last-child td { border-bottom:none; }
  tr:hover td { background:var(--surface); }

  /* GRID */
  .grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
  .grid-3 { display:grid; grid-template-columns:1fr 1fr 1fr; gap:16px; }
  .grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
  .pad { padding:20px 24px; }

  /* SEARCH BAR */
  .search-bar { position:relative; display:flex; align-items:center; }
  .search-icon { position:absolute; left:10px; font-size:14px; color:var(--text-light); }
  .search-bar input { padding-left:32px; }

  /* MODAL */
  .modal-overlay { display:none; position:fixed; inset:0; background:rgba(30,10,40,0.55); z-index:500; align-items:center; justify-content:center; padding:20px; }
  .modal-overlay.active { display:flex; }
  .modal { background:var(--card); border-radius:16px; width:100%; max-width:520px; max-height:90vh; display:flex; flex-direction:column; overflow:hidden; }
  .modal-header { padding:18px 24px 14px; border-bottom:1px solid var(--border); display:flex; align-items:center; gap:10px; flex-shrink:0; }
  .modal-title { font-family:'Cormorant Garamond',serif; font-size:20px; font-weight:600; color:var(--plum); flex:1; }
  .modal-body { padding:20px 24px; overflow-y:auto; flex:1; }
  .modal-footer { padding:14px 24px; border-top:1px solid var(--border); display:flex; gap:10px; justify-content:flex-end; flex-shrink:0; }
  .modal-close { background:none; border:none; font-size:20px; color:var(--text-muted); cursor:pointer; padding:2px 6px; }

  /* TOAST */
  .toast-container { position:fixed; bottom:20px; right:20px; z-index:9999; display:flex; flex-direction:column; gap:8px; }
  .toast { background:var(--plum); color:#fff; padding:12px 20px; border-radius:10px; font-size:14px; min-width:240px; border-left:4px solid var(--gold); animation:slideIn 0.25s ease; box-shadow:0 4px 20px rgba(61,28,78,0.3); }
  .toast.success { background:var(--success); border-left-color:#6FD4A8; }
  .toast.danger { background:var(--danger); border-left-color:#F5A0A0; }
  @keyframes slideIn { from{transform:translateX(100%);opacity:0} to{transform:translateX(0);opacity:1} }

  /* ===== POS ===== */
  #page-pos { flex-direction:row; }
  .pos-left { flex:1; display:flex; flex-direction:column; overflow:hidden; border-right:1px solid var(--border); }
  .pos-toolbar { padding:12px 16px; background:var(--card); border-bottom:1px solid var(--border); display:flex; gap:10px; flex-shrink:0; align-items:center; }
  .category-tabs { display:flex; gap:6px; overflow-x:auto; flex:1; }
  .category-tabs::-webkit-scrollbar { display:none; }
  .cat-tab { padding:5px 13px; border-radius:20px; border:1px solid var(--border); font-size:12px; cursor:pointer; white-space:nowrap; font-family:'DM Sans',sans-serif; transition:all 0.15s; background:var(--card); color:var(--text-muted); }
  .cat-tab.active { background:var(--plum); color:#fff; border-color:var(--plum); }
  .cat-tab:hover:not(.active) { background:var(--surface); color:var(--text); }
  .products-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(135px,1fr)); gap:10px; padding:14px; overflow-y:auto; flex:1; }
  .product-tile { background:var(--card); border:1px solid var(--border); border-radius:10px; padding:12px; cursor:pointer; transition:all 0.15s; text-align:center; position:relative; }
  .product-tile:hover { border-color:var(--plum); box-shadow:0 2px 12px rgba(61,28,78,0.1); transform:translateY(-1px); }
  .product-tile.out-of-stock { opacity:0.5; cursor:not-allowed; }
  .product-tile .p-emoji { font-size:26px; margin-bottom:6px; }
  .product-tile .p-name { font-size:12px; font-weight:500; color:var(--text); line-height:1.3; margin-bottom:4px; }
  .product-tile .p-price { font-size:13px; font-weight:600; color:var(--plum); }
  .product-tile .p-stock { font-size:10px; color:var(--text-muted); margin-top:2px; }
  .product-tile .p-barcode { font-size:9px; color:var(--text-light); margin-top:2px; }
  .product-tile .stock-badge { position:absolute; top:6px; right:6px; font-size:9px; padding:2px 5px; border-radius:4px; }

  /* CART */
  .pos-right { width:360px; display:flex; flex-direction:column; background:var(--card); flex-shrink:0; }
  .cart-header { padding:12px 16px; border-bottom:1px solid var(--border); display:flex; align-items:center; gap:8px; flex-shrink:0; }
  .cart-title { font-family:'Cormorant Garamond',serif; font-size:18px; font-weight:600; color:var(--plum); flex:1; }
  .cart-count { background:var(--plum); color:#fff; width:22px; height:22px; border-radius:50%; font-size:11px; font-weight:600; display:flex; align-items:center; justify-content:center; }
  .cart-customer { padding:8px 12px; border-bottom:1px solid var(--border); display:flex; align-items:center; gap:8px; font-size:13px; background:var(--surface); flex-shrink:0; }
  .cart-customer select { font-size:13px; flex:1; padding:5px 8px; border:1px solid var(--border); border-radius:6px; background:var(--card); color:var(--text); font-family:'DM Sans',sans-serif; }
  .cart-items { flex:1; overflow-y:auto; }
  .cart-item { padding:10px 12px; border-bottom:1px solid var(--border); display:flex; gap:8px; align-items:flex-start; }
  .cart-item-info { flex:1; min-width:0; }
  .cart-item-name { font-size:13px; font-weight:500; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
  .cart-item-meta { font-size:11px; color:var(--text-muted); margin-top:1px; }
  .cart-item-price { font-size:13px; font-weight:600; color:var(--plum); white-space:nowrap; }
  .qty-control { display:flex; align-items:center; gap:5px; margin-top:5px; }
  .qty-btn { width:22px; height:22px; border-radius:5px; border:1px solid var(--border); background:var(--surface); cursor:pointer; font-size:14px; display:flex; align-items:center; justify-content:center; color:var(--plum); font-weight:600; transition:all 0.1s; }
  .qty-btn:hover { background:var(--plum); color:#fff; border-color:var(--plum); }
  .qty-val { font-size:14px; font-weight:600; min-width:20px; text-align:center; }
  .cart-footer { flex-shrink:0; border-top:1px solid var(--border); }
  .cart-totals { padding:10px 12px; }
  .total-row { display:flex; justify-content:space-between; font-size:13px; margin-bottom:5px; color:var(--text-muted); }
  .total-row.grand { font-size:17px; font-weight:700; color:var(--plum); margin-top:7px; padding-top:7px; border-top:1px solid var(--border); }
  .discount-row { display:flex; gap:8px; padding:0 12px 8px; }
  .payment-btns { padding:10px 12px; display:flex; flex-direction:column; gap:8px; }
  .pay-method-group { display:flex; gap:5px; }
  .pay-method-btn { flex:1; padding:7px 4px; border-radius:7px; border:1.5px solid var(--border); background:var(--card); color:var(--text-muted); font-size:11px; font-weight:500; cursor:pointer; text-align:center; transition:all 0.15s; font-family:'DM Sans',sans-serif; }
  .pay-method-btn.active { border-color:var(--plum); background:var(--plum); color:#fff; }
  .empty-cart { flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; padding:40px 20px; color:var(--text-muted); text-align:center; }
  .empty-cart .ec-icon { font-size:44px; margin-bottom:12px; opacity:0.4; }

  /* VARIANT MODAL */
  .variant-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; }
  .variant-btn { padding:10px; border:1.5px solid var(--border); border-radius:8px; background:var(--card); cursor:pointer; text-align:center; font-size:13px; font-family:'DM Sans',sans-serif; transition:all 0.15s; color:var(--text); }
  .variant-btn:hover { border-color:var(--plum); color:var(--plum); }
  .variant-btn.active { border-color:var(--plum); background:var(--plum); color:#fff; }
  .color-swatch { display:inline-block; width:12px; height:12px; border-radius:50%; border:1px solid rgba(0,0,0,0.1); margin-right:4px; vertical-align:middle; }

  /* BARCODE LABEL */
  .barcode-label-preview {
    border:1px dashed var(--border);
    border-radius:8px;
    padding:10px;
    text-align:center;
    background:white;
  }
  .label-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; }
  .label-item { border:1px solid #ddd; padding:8px; text-align:center; border-radius:4px; background:white; cursor:pointer; transition:all 0.15s; }
  .label-item:hover { border-color:var(--plum); }
  .label-item.selected { border-color:var(--plum); background:var(--gold-pale); }

  /* DASHBOARD */
  .chart-bar-container { display:flex; align-items:flex-end; gap:6px; height:120px; padding:8px 0; }
  .chart-bar-wrap { flex:1; display:flex; flex-direction:column; align-items:center; gap:3px; height:100%; justify-content:flex-end; }
  .chart-bar { background:var(--plum); border-radius:4px 4px 0 0; width:100%; transition:background 0.15s; cursor:pointer; }
  .chart-bar:hover { background:var(--gold); }
  .chart-bar-label { font-size:10px; color:var(--text-muted); }
  .chart-bar-val { font-size:9px; color:var(--text-muted); }

  /* RECEIPT */
  .receipt { font-family:'Courier New',monospace; background:#fff; border:1px solid #ddd; border-radius:8px; padding:20px; font-size:13px; }
  .receipt-title { text-align:center; font-size:16px; font-weight:700; margin-bottom:4px; }
  .receipt-sub { text-align:center; font-size:11px; color:#666; margin-bottom:10px; }
  .receipt-divider { border:none; border-top:1px dashed #ccc; margin:8px 0; }
  .receipt-row { display:flex; justify-content:space-between; margin:4px 0; font-size:12px; }
  .receipt-total { font-weight:700; font-size:14px; }
  .receipt-thanks { text-align:center; margin-top:10px; font-size:11px; color:#666; }

  /* CUSTOMER */
  .customer-avatar { width:36px; height:36px; border-radius:50%; background:var(--gold-pale); color:var(--gold); display:flex; align-items:center; justify-content:center; font-weight:600; font-size:13px; flex-shrink:0; }

  /* ===== PRINT STYLES ===== */
  @media print {
    /* hide everything */
    body > * { display:none !important; }
    /* show only the active print target */
    .print-target { display:block !important; }

    /* ---- THERMAL RECEIPT (80mm) ---- */
    .print-receipt {
      width:72mm;
      margin:0 auto;
      font-family:'Courier New',monospace;
      font-size:11pt;
      color:#000;
    }
    .print-receipt .r-center { text-align:center; }
    .print-receipt .r-shop { font-size:14pt; font-weight:700; }
    .print-receipt .r-sub { font-size:9pt; margin-bottom:6pt; }
    .print-receipt .r-line { border-top:1px dashed #000; margin:5pt 0; }
    .print-receipt .r-row { display:flex; justify-content:space-between; font-size:10pt; margin:2pt 0; }
    .print-receipt .r-total { font-weight:700; font-size:12pt; }
    .print-receipt .r-barcode { margin:6pt auto; display:block; }
    .print-receipt .r-thanks { text-align:center; font-size:9pt; margin-top:8pt; }
    .print-receipt .r-barcode-wrap { text-align:center; margin:4pt 0; }

    /* ---- BARCODE LABELS ---- */
    .print-labels { width:210mm; margin:0; padding:5mm; }
    .print-labels .labels-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:4mm; }
    .print-labels .label-cell { border:0.5pt solid #ccc; padding:3mm; text-align:center; page-break-inside:avoid; }
    .print-labels .label-cell svg { max-width:100%; height:auto; }
    .print-labels .label-name { font-size:8pt; font-weight:700; margin-bottom:2mm; }
    .print-labels .label-price { font-size:10pt; font-weight:700; margin-top:1mm; }
    .print-labels .label-details { font-size:7pt; color:#555; }

    /* ---- EOD REPORT ---- */
    .print-eod { width:72mm; font-family:'Courier New',monospace; font-size:10pt; color:#000; margin:0 auto; }
    .print-eod .e-center { text-align:center; }
    .print-eod .e-line { border-top:1px dashed #000; margin:4pt 0; }
    .print-eod .e-row { display:flex; justify-content:space-between; margin:3pt 0; font-size:10pt; }
    .print-eod .e-bold { font-weight:700; }
    .print-eod .e-big { font-size:16pt; font-weight:700; text-align:center; margin:6pt 0; }
  }

  /* Hidden print containers shown only during print */
  #print-receipt-container, #print-labels-container, #print-eod-container { display:none; }

/* ============================================================
   ADDITIONAL STYLES FOR PHP/MySQL VERSION
   ============================================================ */

/* Loading state */
.loading-state {
  grid-column: 1/-1;
  text-align: center;
  padding: 50px 20px;
  color: var(--text-muted);
  font-size: 14px;
}
.loading-state::before {
  content: '⏳ ';
}

/* Spinner button */
.btn-loading {
  opacity: 0.7;
  cursor: not-allowed;
  pointer-events: none;
}
.btn-loading::before {
  content: '⏳ ';
}

/* Connection error */
.error-state {
  background: var(--danger-bg);
  color: var(--danger);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin: 10px 0;
  border: 1px solid #F5C6C0;
}