/* ── Dark theme (default) ── */
:root {
  --primary:   #635bff;
  --success:   #00a846;
  --danger:    #d32f2f;
  --warning:   #f57c00;
  --info:      #0277bd;
  --dark:      #f5f5f5;
  --dark2:     #ffffff;
  --dark3:     #e8e8f0;
  --text:      #1a1a2e;
  --text-muted:#666680;
  --border:    rgba(0,0,0,0.1);
  --card:      #ffffff;
  --surface:   #ffffff;
  --surface2:  #f4f5fb;
  --bg:        #e8eaf4;
  --sidebar-w: 240px;
}
body { background: var(--bg); }
.sidebar { background: #ffffff; border-right: 1px solid rgba(0,0,0,0.1); box-shadow: 2px 0 8px rgba(0,0,0,0.06); }
.sidebar-logo { color: var(--primary); }
.topbar { background: #ffffff; box-shadow: 0 1px 4px rgba(0,0,0,0.08); }
.form-control { background: #f5f5f5; color: var(--text); border-color: rgba(0,0,0,0.15); }
.form-control:focus { border-color: var(--primary); background: #fff; }
.numpad-btn { background: #f5f5f5; color: var(--text); }
.numpad-display { background: #f5f5f5; color: var(--success); }
.product-tile { background: #fff; border-color: rgba(0,0,0,0.1); }
.product-tile:hover { background: #f0eeff; border-color: var(--primary); }
.pos-cart { background: #fafafa; }
.modal { background: #ffffff; }
.modal-header, .modal-footer { background: #ffffff; }
.mobile-cart-sheet { background: #ffffff; }
.pay-method { border-color: rgba(0,0,0,0.15); }
.pay-method.selected { background: #f0eeff; border-color: var(--primary); }
.btn-outline { border-color: rgba(0,0,0,0.2); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
select.form-control option { background: #ffffff; color: var(--text); }
.cat-tab { background: #f0f0f0; color: var(--text-muted); border-color: rgba(0,0,0,0.1); }
.cat-tab.active, .cat-tab:hover { background: var(--primary); color: white; }
.stat-card { background: #ffffff; }
.table th { color: var(--text-muted); }
.table tr:hover td { background: rgba(99,91,255,0.04); }
.alert-success { background: rgba(0,168,70,.08); }
.alert-danger   { background: rgba(211,47,47,.08); }

/* Dark theme */
[data-theme="dark"] {
  --primary:   #635bff;
  --success:   #00c853;
  --danger:    #e53935;
  --warning:   #ffb300;
  --info:      #0288d1;
  --dark:      #0f0f1a;
  --dark2:     #16213e;
  --dark3:     #0f3460;
  --text:      #e0e0e0;
  --text-muted:#9e9e9e;
  --border:    rgba(255,255,255,0.08);
  --card:      #1e2a45;
  --surface:   #1e2a45;
  --surface2:  #243252;
  --bg:        #0f0f1a;
}
[data-theme="dark"] body { background: var(--bg); }
[data-theme="dark"] .sidebar { background: #16213e; border-right: 1px solid rgba(255,255,255,0.06); box-shadow: none; }
[data-theme="dark"] .sidebar-logo { color: var(--primary); }
[data-theme="dark"] .topbar { background: #16213e; box-shadow: 0 1px 4px rgba(0,0,0,0.3); }
[data-theme="dark"] .form-control { background: #1e2a45; color: var(--text); border-color: rgba(255,255,255,0.1); }
[data-theme="dark"] .form-control:focus { border-color: var(--primary); background: #243252; }
[data-theme="dark"] .numpad-btn { background: #1e2a45; color: var(--text); }
[data-theme="dark"] .numpad-display { background: #1e2a45; color: var(--success); }
[data-theme="dark"] .product-tile { background: #1e2a45; border-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .product-tile:hover { background: #243252; border-color: var(--primary); }
[data-theme="dark"] .pos-cart { background: #16213e; }
[data-theme="dark"] .modal { background: #1e2a45; }
[data-theme="dark"] .modal-header, [data-theme="dark"] .modal-footer { background: #1e2a45; }
[data-theme="dark"] .mobile-cart-sheet { background: #1e2a45; }
[data-theme="dark"] .pay-method { border-color: rgba(255,255,255,0.1); }
[data-theme="dark"] .pay-method.selected { background: rgba(99,91,255,0.15); border-color: var(--primary); }
[data-theme="dark"] .btn-outline { border-color: rgba(255,255,255,0.15); color: var(--text); }
[data-theme="dark"] .btn-outline:hover { border-color: var(--primary); color: var(--primary); }
[data-theme="dark"] select.form-control option { background: #1e2a45; color: var(--text); }
[data-theme="dark"] .cat-tab { background: #1e2a45; color: var(--text-muted); border-color: rgba(255,255,255,0.08); }
[data-theme="dark"] .cat-tab.active, [data-theme="dark"] .cat-tab:hover { background: var(--primary); color: white; }
[data-theme="dark"] .stat-card { background: #1e2a45; }
[data-theme="dark"] .table th { color: var(--text-muted); }
[data-theme="dark"] .table tr:hover td { background: rgba(99,91,255,0.08); }
[data-theme="dark"] .alert-success { background: rgba(0,200,83,.1); }
[data-theme="dark"] .alert-danger   { background: rgba(229,57,53,.1); }
[data-theme="light"] .alert-warning  { background: rgba(245,124,0,.08); }

* { box-sizing: border-box; margin: 0; padding: 0; }
/* iOS touch fix - global */
[onclick], [ontouchend], button, a, select, input, textarea, label {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
body { font-family: 'Inter', 'Segoe UI', sans-serif; background: var(--bg, var(--dark)); color: var(--text); min-height: 100vh; }

/* ── Sidebar ── */
.sidebar {
  position: fixed; top: 0; left: 0; width: var(--sidebar-w);
  height: 100vh; background: var(--dark2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; z-index: 1000; overflow-y: auto;
}
.sidebar-logo { padding: 20px; font-size: 22px; font-weight: 700; color: var(--primary);
  border-bottom: 1px solid var(--border); letter-spacing: 1px; }
.sidebar-logo span { color: var(--text); font-weight: 300; }
.sidebar-nav { flex: 1; padding: 12px 0; }
.nav-section { padding: 6px 16px; font-size: 10px; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--text-muted); margin-top: 12px; }
.nav-link { display: flex; align-items: center; gap: 10px; padding: 10px 20px;
  color: var(--text-muted); text-decoration: none; font-size: 14px; font-weight: 500;
  border-radius: 0; transition: all .15s; border-left: 3px solid transparent; }
.nav-link:hover { background: rgba(99,91,255,.1); color: var(--text); border-left-color: var(--primary); }
.nav-link.active { background: rgba(99,91,255,.15); color: var(--primary); border-left-color: var(--primary); font-weight: 600; }
.nav-link .icon { font-size: 18px; width: 22px; text-align: center; }
/* Subnav group */
.nav-sub-toggle { display:flex; align-items:center; gap:10px; padding:10px 20px;
  color:var(--text-muted); font-size:14px; font-weight:500; cursor:pointer;
  border-left:3px solid transparent; transition:all .15s; user-select:none; }
.nav-sub-toggle:hover { background:rgba(99,91,255,.1); color:var(--text); border-left-color:var(--primary); }
.nav-caret { margin-left:auto; font-size:11px; transition:transform .2s; }
.nav-sub-items { overflow:hidden; max-height:0; transition:max-height .25s ease; }
.nav-sub-group.open .nav-sub-items { max-height:200px; }
.nav-sub-group.open .nav-caret { transform:rotate(180deg); }
.nav-sub-group.open .nav-sub-toggle { color:var(--primary); }
.nav-sub-item { display:block; padding:8px 20px 8px 44px; font-size:13px;
  color:var(--text-muted); text-decoration:none; border-left:3px solid transparent;
  transition:all .15s; }
.nav-sub-item:hover { background:rgba(99,91,255,.08); color:var(--text); }
.nav-sub-item.active { color:var(--primary); font-weight:600; border-left-color:var(--primary); }

.sidebar-user { padding: 16px 20px; border-top: 1px solid var(--border); display: flex; gap: 10px; align-items: center; }
.user-avatar { width: 36px; height: 36px; background: var(--primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; color: white; }
.user-name { font-size: 13px; font-weight: 600; }
.user-role { font-size: 11px; color: var(--text-muted); }

/* ── Main ── */
.main { margin-left: var(--sidebar-w); min-height: 100vh; }
.topbar { background: var(--dark2); border-bottom: 1px solid var(--border);
  padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; }
.topbar-title { font-size: 18px; font-weight: 700; }
.page-content { padding: 24px; }

/* ── Cards ── */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.card-header { font-size: 14px; font-weight: 600; color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 16px; display: flex; align-items: center; justify-content: space-between; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px;
  display: flex; flex-direction: column; gap: 4px; }
.stat-value { font-size: 32px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.stat-change { font-size: 12px; }
.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px;
  border-radius: 8px; font-size: 14px; font-weight: 500; cursor: pointer;
  border: none; text-decoration: none; transition: all .15s; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: #524aff; color: white; }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #00b248; }
.btn-danger  { background: var(--danger);  color: white; }
.btn-danger:hover  { background: #c62828; }
.btn-warning { background: var(--warning); color: #111; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-label { font-size: 13px; font-weight: 500; color: var(--text-muted); margin-bottom: 6px; display: block; }
.form-control { width: 100%; background: var(--dark); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px; color: var(--text); font-size: 14px;
  transition: border-color .15s; }
.form-control:focus { outline: none; border-color: var(--primary); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control option { background: var(--dark2); }

/* ── Tables ── */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted);
  padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; font-weight: 600; }
.table td { padding: 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:hover td { background: rgba(255,255,255,.02); }
.table tr:last-child td { border-bottom: none; }

/* ── Badges ── */
.badge { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 20px;
  font-size: 11px; font-weight: 600; }
.badge-primary { background: rgba(99,91,255,.2); color: var(--primary); }
.badge-success { background: rgba(0,200,83,.15); color: var(--success); }
.badge-danger  { background: rgba(229,57,53,.15); color: var(--danger); }
.badge-warning { background: rgba(255,179,0,.15); color: var(--warning); }
.badge-info    { background: rgba(2,136,209,.15); color: var(--info); }

/* ── POS Terminal ── */
.pos-layout { display: grid; grid-template-columns: 1fr 380px; height: calc(100vh - 53px); height: calc(100dvh - 53px); overflow: hidden; }
/* Ensure cat-tabs never get covered */
.pos-products { position: relative; }
.cat-tabs { position: sticky; top: 0; background: var(--bg, var(--dark)); z-index: 10; padding: 4px 0 8px; margin: 0 -4px; }
.pos-products { overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 16px; }
.pos-cart { background: var(--dark2); border-left: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden; min-height: 0; }
.cat-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.cat-tab { padding: 8px 16px; border-radius: 20px; font-size: 13px; font-weight: 600;
  cursor: pointer; border: 1px solid var(--border); color: var(--text-muted); background: transparent;
  transition: all .15s; }
.cat-tab.active, .cat-tab:hover { background: var(--primary); color: white; border-color: var(--primary); }
/* Subcategory tab row — identical style to cat-tab */
.sub-cat-tab { padding: 8px 16px; border-radius: 20px; font-size: 13px; font-weight: 600;
  cursor: pointer; border: 1px solid var(--border); color: var(--text-muted); background: transparent;
  transition: all .15s; white-space: nowrap; flex-shrink: 0; }
.sub-cat-tab.active, .sub-cat-tab:hover { background: var(--primary); color: white; border-color: var(--primary); }
[data-theme="dark"] .sub-cat-tab { background: #1e2a45; color: var(--text-muted); border-color: rgba(255,255,255,0.08); }
[data-theme="dark"] .sub-cat-tab.active, [data-theme="dark"] .sub-cat-tab:hover { background: var(--primary); color: white; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.product-tile { background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 12px; text-align: center; cursor: pointer; transition: all .15s;
  display: flex; flex-direction: column; gap: 6px; align-items: center;
  touch-action: manipulation; -webkit-tap-highlight-color: rgba(99,91,255,0.2);
  user-select: none; -webkit-user-select: none; }
.product-tile:hover { border-color: var(--primary); background: rgba(99,91,255,.08); transform: translateY(-2px); }
.product-tile:active { transform: translateY(0); }
.product-tile .p-icon { font-size: 32px; }
.product-tile .p-name { font-size: 13px; font-weight: 600; line-height: 1.3; }
.product-tile .p-price { font-size: 14px; font-weight: 700; color: var(--success); }
.product-tile .p-stock { font-size: 11px; color: var(--text-muted); }
.product-tile .p-thumb { width: 64px; height: 64px; border-radius: 8px; background-size: cover; background-position: center; flex-shrink: 0; }
.product-tile.has-img { padding: 10px 8px; }
.product-tile.has-img .p-name { font-size: 12px; }

/* ── Cart ── */
.cart-header { padding: 16px; border-bottom: 1px solid var(--border); }
.cart-items { flex: 1 1 0; min-height: 80px; overflow-y: auto; padding: 8px 0; }
.cart-header, .cart-footer { flex: 0 0 auto; }
.cart-item { display: flex; align-items: center; gap: 10px; padding: 10px 16px;
  border-bottom: 1px solid var(--border); }
.cart-item-name { flex: 1; font-size: 14px; font-weight: 500; }
.cart-item-qty { display: flex; align-items: center; gap: 6px; }
.qty-btn { width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--border);
  background: transparent; color: var(--text); cursor: pointer; font-size: 16px;
  display: flex; align-items: center; justify-content: center; transition: all .15s; }
.qty-btn:hover { background: var(--primary); border-color: var(--primary); }
.cart-item-price { font-size: 14px; font-weight: 600; min-width: 60px; text-align: right; }
.remove-btn { color: var(--text-muted); background: none; border: none; cursor: pointer; font-size: 16px; padding: 4px; }
.remove-btn:hover { color: var(--danger); }
.cart-footer { padding: 16px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 8px; }
.cart-total-row { display: flex; justify-content: space-between; font-size: 14px; color: var(--text-muted); }
.cart-grand-total { display: flex; justify-content: space-between; font-size: 22px; font-weight: 700;
  padding: 8px 0; border-top: 1px solid var(--border); }

/* ── Payment Modal ── */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.75); backdrop-filter: blur(3px); z-index: 50000; display: none; align-items: center; justify-content: center; padding: 16px; overflow-y: auto; }
.modal-backdrop.show { display: flex; }
.modal { background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  width: 100%; max-width: 520px; max-height: 92vh;
  display: flex; flex-direction: column; box-shadow: 0 24px 64px rgba(0,0,0,.5);
  margin: auto; flex-shrink: 0; }
.modal-header { padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0; background: var(--surface); border-radius: 16px 16px 0 0; }
.modal-title { font-size: 18px; font-weight: 700; }
.modal-body { padding: 16px 20px; overflow-y: auto; flex: 1; -webkit-overflow-scrolling: touch; }
.modal-footer { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end;
  flex-shrink: 0; background: var(--surface); border-radius: 0 0 16px 16px; }
.close-btn { background: none; border: none; color: var(--text-muted); font-size: 24px; cursor: pointer;
  touch-action: manipulation; }
.poscr-row { display:flex; justify-content:space-between; align-items:center; padding:5px 0; font-size:14px; color:#e5e7eb; border-bottom:1px solid #2a2a2a; }
.poscr-row:last-child { border-bottom:none; }

/* ── Payment method tabs ── */
.pay-methods { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 20px; }
.pay-method { padding: 12px; border: 2px solid var(--border); border-radius: 10px;
  text-align: center; cursor: pointer; transition: all .15s; }
.pay-method .pm-icon { font-size: 24px; display: block; margin-bottom: 4px; }
.pay-method .pm-label { font-size: 12px; font-weight: 600; }
.pay-method.selected { border-color: var(--primary); background: rgba(99,91,255,.1); }

/* ── Numpad ── */
.numpad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.numpad-btn { padding: 13px; background: var(--dark); border: 1px solid var(--border);
  border-radius: 8px; font-size: 19px; font-weight: 600; cursor: pointer;
  color: var(--text); text-align: center;
  touch-action: manipulation; /* eliminates 300ms tap delay on mobile */
  -webkit-tap-highlight-color: rgba(99,91,255,0.3);
  user-select: none; -webkit-user-select: none; }
.numpad-btn:hover, .numpad-btn:active { background: var(--primary); border-color: var(--primary); color: white; }
.numpad-display { background: var(--dark); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 16px; font-size: 28px; font-weight: 700; text-align: right;
  margin-bottom: 10px; min-height: 50px; color: var(--success); }

/* ── Alerts ── */
.alert { padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 16px; }
.alert-success { background: rgba(0,200,83,.1); border: 1px solid rgba(0,200,83,.3); color: var(--success); }
.alert-danger   { background: rgba(229,57,53,.1); border: 1px solid rgba(229,57,53,.3); color: var(--danger); }
.alert-warning  { background: rgba(255,179,0,.1);  border: 1px solid rgba(255,179,0,.3);  color: var(--warning); }

/* ── Utilities ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; gap: 10px; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); } .text-danger { color: var(--danger); }
.text-primary { color: var(--primary); }
.fw-bold { font-weight: 700; }
.fs-sm { font-size: 12px; } .fs-lg { font-size: 18px; }
.low-stock { color: var(--danger) !important; }
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.search-box { position: relative; }
.search-box input { padding-left: 44px; height: 48px; font-size: 16px; border-radius: 12px; }
.search-box::before { content: '🔍'; position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-size: 20px; z-index: 1; }
.tag { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 4px;
  font-size: 11px; font-weight: 600; background: rgba(99,91,255,.15); color: var(--primary); }
.scrollable { overflow-y: auto; }
.receipt { font-family: 'Courier New', monospace; background: white; color: black; padding: 20px; border-radius: 8px; max-width: 360px; }

@@media print {
  .sidebar, .topbar, .no-print { display: none !important; }
  .main { margin-left: 0; }
  .receipt { border: none; box-shadow: none; }
}

/* ── Hamburger button ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--text);
  border-radius: 2px;
}

/* ── Sidebar overlay ── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 999;
}
.sidebar-overlay.show { display: block; }

/* ── Mobile POS floating cart button ── */
.mobile-cart-fab {
  position: fixed;
  bottom: 16px; left: 16px; right: 16px;
  background: var(--primary);
  color: white;
  border-radius: 14px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  display: none;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  z-index: 400;
  box-shadow: 0 4px 20px rgba(99,91,255,.5);
}

/* ── Mobile cart bottom sheet ── */
.mobile-cart-sheet {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--dark2);
  border-radius: 20px 20px 0 0;
  border-top: 1px solid var(--border);
  z-index: 600;
  transform: translateY(100%);
  transition: transform .3s ease;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}
.mobile-cart-sheet.open { transform: translateY(0); }
.mobile-sheet-handle {
  width: 40px; height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin: 12px auto 0;
  cursor: pointer;
}
.mobile-sheet-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px 12px;
  border-bottom: 1px solid var(--border);
}
.mobile-sheet-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}
.mobile-sheet-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}
.mobile-sheet-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 599;
}
.mobile-sheet-overlay.show { display: block; }

/* ── Mobile responsive ── */
@media (max-width: 767px) {
  .hamburger { display: flex; }

  .sidebar {
    transform: translateX(-100%);
    transition: transform .25s ease;
    z-index: 1000;
    width: 260px;
  }
  .sidebar.open { transform: translateX(0); }

  .main { margin-left: 0; }
  .page-content { padding: 12px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr !important; }

  /* ── POS on mobile: scrollable products + FAB cart ── */
  .pos-layout {
    display: block;
    height: auto;
    overflow: visible;
  }

  .pos-products {
    height: auto;
    overflow-y: visible;
    padding: 12px;
    padding-bottom: 90px; /* room for FAB */
  }

  /* Hide the desktop cart panel on mobile */
  .pos-cart { display: none !important; }

  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .product-tile { padding: 14px 10px; }
  .product-tile .p-icon { font-size: 28px; }

  .cat-tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; }
  .cat-tab { white-space: nowrap; flex-shrink: 0; }

  .search-box input { height: 52px; font-size: 18px; padding-left: 48px; border-radius: 14px; }
  .search-box::before { font-size: 22px; left: 14px; }

  .topbar { padding: 10px 14px; }
  .topbar-title { font-size: 15px; }

  .table { font-size: 13px; }
  .table th, .table td { padding: 8px 6px; }

  .modal { width: 96vw; max-width: 96vw; margin: 8px auto; }
  .numpad-btn { padding: 14px; font-size: 20px; }
  .cart-footer .tip-btn { padding: 4px 8px; font-size: 12px; }
  .pay-methods { grid-template-columns: repeat(3,1fr); }
}

/* ── Modifier Modal ── */
.modifier-option {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; margin-bottom: 8px;
  border: 2px solid var(--border); border-radius: 10px;
  cursor: pointer; transition: all .15s;
  touch-action: manipulation;
}
.modifier-option:hover { border-color: var(--primary); background: rgba(99,91,255,.05); }
.modifier-option.selected { border-color: var(--primary); background: rgba(99,91,255,.12); }
.modifier-option .mod-check { color: var(--primary); font-size: 16px; opacity: 0; width: 18px; }
.modifier-option.selected .mod-check { opacity: 1; }
.modifier-option .mod-name { flex: 1; font-weight: 600; font-size: 14px; }
.modifier-option .mod-price { font-size: 13px; color: var(--success); font-weight: 600; }

/* ── Gratuity buttons ── */
.tip-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* KDS nav section label */
.nav-section-label {
  font-size: 10px; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--text-muted);
  padding: 14px 18px 4px; opacity: .6;
}


/* 📱 Payment modal as bottom sheet on mobile */
@media (max-width: 767px) {
  #paymentModal.modal-backdrop {
    align-items: flex-end;
    padding: 0;
  }
  #paymentModal .modal {
    max-width: 100%;
    max-height: 92vh;
    border-radius: 20px 20px 0 0;
    border-bottom: none;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  #paymentModal .modal-header::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin: 0 auto 10px;
  }
  #paymentModal #modalTotal {
    font-size: 52px !important;
  }
  #paymentModal .pay-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  #paymentModal .pay-method {
    flex-direction: column;
    padding: 14px 6px;
    gap: 4px;
  }
  #paymentModal .pm-icon { font-size: 22px; }
  #paymentModal .pm-label { font-size: 11px; }
  #paymentModal .numpad-btn {
    padding: 18px 0;
    font-size: 22px;
  }
  #paymentModal .numpad-display {
    font-size: 36px;
    padding: 14px;
  }
  #paymentModal .modal-footer {
    position: sticky;
    bottom: 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 14px 16px;
    z-index: 10;
  }
  #paymentModal #confirmPayBtn {
    padding: 18px;
    font-size: 18px;
    border-radius: 14px;
    width: 100%;
  }
  #paymentModal .modal-tip-btn {
    padding: 10px 12px;
    font-size: 14px;
  }
  #paymentModal .btn-sm {
    padding: 10px 12px !important;
    font-size: 14px !important;
  }
}
/* ── Tablet (iPad / 768px–1199px) ── */
@media (min-width: 768px) and (max-width: 1199px) {
  .sidebar { transform: translateX(-100%); transition: transform .25s ease; z-index: 1050; width: 240px; pointer-events: none; }
  .sidebar.open { transform: translateX(0); pointer-events: all; }
  .hamburger { display: flex; }
  .main { margin-left: 0 !important; }
  .pos-layout { grid-template-columns: 1fr 280px; }
  .pos-products { pointer-events: all; touch-action: manipulation; position: relative; z-index: 1; }
  .pos-cart { pointer-events: all; touch-action: manipulation; position: relative; z-index: 1; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
  .product-tile { padding: 16px 8px; min-height: 90px; touch-action: manipulation; cursor: pointer; -webkit-tap-highlight-color: rgba(99,91,255,0.2); }
  .product-tile .p-icon { font-size: 28px; }
  #modeProducts, #modeTables { padding: 11px 0 !important; font-size: 14px !important; }
  .cat-tab { padding: 9px 14px; font-size: 13px; touch-action: manipulation; }
  .cart-footer .btn { padding: 12px; font-size: 14px; }
}








/* Safari iOS viewport fix */
@supports (-webkit-touch-callout: none) {
  .pos-layout {
    height: -webkit-fill-available;
    height: calc(100dvh - 53px);
  }
}

/* iPad cart footer fix — scroll inside footer so Pay/Fire always visible */
@media (min-width: 768px) and (max-width: 1199px) {
  .pos-cart {
    display: flex !important;
    flex-direction: column !important;
    height: 100% !important;
    overflow: hidden !important;
  }
  .cart-items {
    flex: 1 1 0 !important;
    overflow-y: auto !important;
    min-height: 120px !important;
    max-height: calc(100vh - 420px) !important;
  }
  .cart-footer {
    flex-shrink: 0 !important;
    overflow-y: auto !important;
    max-height: 42vh !important;
    padding: 8px 12px !important;
    gap: 4px !important;
  }
  .cart-footer .cart-total-row { font-size: 12px !important; padding: 1px 0 !important; }
  .cart-footer .tip-btn { padding: 4px 8px !important; font-size: 11px !important; }
  .cart-footer .cart-grand-total { font-size: 16px !important; padding: 4px 0 !important; }
  .cart-footer #payBtn { padding: 12px !important; font-size: 15px !important; margin-top: 4px !important; }
  .cart-footer #fireBtn { padding: 10px !important; font-size: 13px !important; }
  .cart-footer .form-control { padding: 6px 8px !important; font-size: 12px !important; }
}

/* Also fix for Safari dvh */
@supports (-webkit-touch-callout: none) {
  .pos-layout {
    height: calc(100svh - 53px) !important;
  }
}

/* iPad cart footer — hide low-priority rows to make room for Pay/Fire */
@media (min-width: 768px) and (max-width: 1199px) {

  
  /* Compact tip buttons into single row */
  .cart-footer .tip-btn { padding: 3px 7px !important; font-size: 11px !important; }
  
  /* Smaller grand total */  
  .cart-footer .cart-grand-total { font-size: 18px !important; padding: 6px 0 !important; }
  
  /* Big Pay button */
  .cart-footer #payBtn { padding: 14px !important; font-size: 16px !important; font-weight: 700 !important; }
  .cart-footer #fireBtn { padding: 11px !important; font-size: 14px !important; }
  
  /* Shrink hold + no-sale */
  .cart-footer #holdBtn, .cart-footer .btn-outline.btn-block { padding: 8px !important; font-size: 12px !important; }
  
  /* Reduce cart-total-row padding */
  .cart-footer .cart-total-row { padding: 2px 0 !important; }
  .cart-footer { gap: 3px !important; padding: 8px !important; }
}

/* Tablet compact mode - applied via JS */
.tablet-compact .cart-footer { gap: 2px !important; padding: 6px 10px !important; }
.tablet-compact .cart-total-row { padding: 1px 0 !important; font-size: 12px !important; }
.tablet-compact .tip-btn { padding: 2px 6px !important; font-size: 10px !important; }
.tablet-compact .cart-grand-total { font-size: 17px !important; padding: 4px 0 !important; }
.tablet-compact #payBtn { padding: 13px !important; font-size: 15px !important; }
.tablet-compact #fireBtn { padding: 10px !important; font-size: 13px !important; }
.tablet-compact #discountInput { display: none; }
.tablet-compact .cart-total-row:has(#discountInput) { display: none !important; }