/* ============================================================
   Techage POS — Main Stylesheet
   Colors: Navy Blue #000080 | Orange #FFA500 | White #FFFFFF
   ============================================================ */

:root {
  --navy:      #000080;
  --navy-dark: #00005a;
  --navy-mid:  #1a1aaa;
  --navy-soft: #e8e8f7;
  --orange:    #FFA500;
  --orange-dk: #e08c00;
  --orange-lt: #fff3cc;
  --white:     #ffffff;
  --gray-50:   #f8f9fa;
  --gray-100:  #f1f3f6;
  --gray-200:  #e2e6ea;
  --gray-400:  #9ba3af;
  --gray-600:  #5c6270;
  --gray-800:  #2d3141;
  --success:   #1a7a4a;
  --danger:    #b91c1c;
  --warning:   #d97706;
  --info:      #0369a1;
  --sidebar-w: 250px;
  --sidebar-w-collapsed: 64px;
  --topbar-h:  60px;
  --radius:    8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,128,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,128,0.12);
  --transition: .2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  background: var(--gray-100);
  color: var(--gray-800);
  min-height: 100vh;
  display: flex;
}

/* ── Ajax Overlay ───────────────────────────────────────────── */
#ajax-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 128, 0.45);
  backdrop-filter: blur(2px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
#ajax-overlay.show { display: flex; }
#ajax-overlay p { color: #fff; margin-top: 16px; font-size: 15px; letter-spacing: .3px; }

.loader-ring { display: inline-block; position: relative; width: 60px; height: 60px; }
.loader-ring div {
  box-sizing: border-box; display: block; position: absolute;
  width: 48px; height: 48px; margin: 6px;
  border: 5px solid transparent;
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: loader-spin 1.1s cubic-bezier(.5,0,.5,1) infinite;
}
.loader-ring div:nth-child(1){ animation-delay:-.45s; }
.loader-ring div:nth-child(2){ animation-delay:-.3s;  }
.loader-ring div:nth-child(3){ animation-delay:-.15s; }
@keyframes loader-spin { 0%{ transform:rotate(0) } 100%{ transform:rotate(360deg) } }

/* ── Pro Upgrade Modal ───────────────────────────────────────────── */
.modal-upgrade { position: fixed; inset: 0; background: rgba(0,0,128,0.85); backdrop-filter: blur(4px); z-index: 9999; display: none; align-items: center; justify-content: center; }
.modal-upgrade.show { display: flex; }
.modal-upgrade-content { background: #fff; border-radius: var(--radius-lg); max-width: 420px; width: 90%; padding: 32px; text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,0.3); animation: modalSlideIn .3s ease; }
@keyframes modalSlideIn { from { opacity: 0; transform: translateY(-30px); } to { opacity: 1; transform: translateY(0); } }
.modal-upgrade-icon { width: 80px; height: 80px; background: linear-gradient(135deg,var(--orange),#ff8c00); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.modal-upgrade-icon i { font-size: 36px; color: #fff; }
.modal-upgrade h2 { color: var(--navy); font-size: 22px; margin-bottom: 12px; }
.modal-upgrade-pro { display: inline-block; background: linear-gradient(135deg,var(--orange),#ff8c00); color: #fff; font-size: 11px; font-weight: 700; padding: 4px 12px; border-radius: 20px; letter-spacing: 1px; margin-bottom: 16px; text-transform: uppercase; }
.modal-upgrade p { color: var(--gray-600); line-height: 1.6; margin-bottom: 24px; font-size: 14px; }
.modal-upgrade-features { text-align: left; background: var(--gray-50); border-radius: var(--radius); padding: 16px; margin-bottom: 24px; }
.modal-upgrade-features h4 { color: var(--navy); font-size: 13px; margin-bottom: 12px; text-transform: uppercase; letter-spacing: .5px; }
.modal-upgrade-features ul { list-style: none; }
.modal-upgrade-features li { padding: 6px 0; font-size: 13px; color: var(--gray-800); }
.modal-upgrade-features li i { color: var(--success); margin-right: 8px; width: 16px; }
.modal-upgrade-cta { display: block; background: linear-gradient(135deg,var(--orange),#ff8c00); color: #fff; font-weight: 600; padding: 14px 24px; border-radius: var(--radius); text-decoration: none; transition: var(--transition); }
.modal-upgrade-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(255,165,0,0.4); color: #fff; }
.modal-upgrade-close { position: absolute; top: 20px; right: 20px; background: none; border: none; color: rgba(255,255,255,0.7); font-size: 24px; cursor: pointer; }
.modal-upgrade-close:hover { color: #fff; }

/* ── Premium Nav Links ───────────────────────────────────────── */
.nav-premium { position: relative; }
.nav-premium a { display: flex; align-items: center; gap: 8px; }
.nav-premium .fa-lock { font-size: 10px; margin-left: auto; color: var(--orange); }
.badge-pro { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); background: linear-gradient(135deg,var(--orange),#ff8c00); color: #fff; font-size: 8px; font-weight: 700; padding: 2px 6px; border-radius: 10px; letter-spacing: .5px; }

/* ── Sidebar ────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1000;
  transition: transform var(--transition);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: var(--navy-dark);
}
.brand-logo { width: 36px; height: 36px; flex-shrink: 0; }
.brand-name { color: var(--white); font-weight: 700; font-size: 15px; line-height: 1.2; }
.brand-sub  { color: var(--orange); font-size: 10px; letter-spacing: .6px; text-transform: uppercase; }

.sidebar-nav { list-style: none; padding: 8px 0; flex: 1; }
.sidebar-nav .nav-section {
  color: rgba(255,255,255,.4);
  font-size: 10px; letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 14px 18px 4px;
}
.sidebar-nav li a {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 18px;
  color: rgba(255,255,255,.75);
  text-decoration: none;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-right: 8px;
  transition: all var(--transition);
  font-size: 13.5px;
}
.sidebar-nav li a i { width: 18px; text-align: center; font-size: 15px; }
.sidebar-nav li a:hover {
  background: rgba(255,165,0,.15);
  color: var(--orange);
}
.sidebar-nav li a.active {
  background: var(--orange);
  color: var(--navy);
  font-weight: 600;
}

.sidebar-nav .has-submenu > a {
  cursor: pointer;
}
.sidebar-nav .has-submenu .submenu-arrow {
  margin-left: auto;
  font-size: 10px;
  transition: transform .2s;
}
.sidebar-nav .has-submenu.open .submenu-arrow {
  transform: rotate(180deg);
}
.sidebar-nav .submenu {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  background: rgba(0,0,0,.15);
}
.sidebar-nav .has-submenu.open > .submenu {
  max-height: 500px;
}
.sidebar-nav .submenu li a {
  padding: 8px 18px 8px 48px;
  font-size: 12.5px;
  margin-right: 0;
  border-radius: 0;
}
.sidebar-nav .submenu li a:hover {
  padding-left: 52px;
}
.sidebar-nav .submenu li a.active {
  background: var(--orange);
  color: var(--navy);
  font-weight: 600;
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 10px;
}
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--orange); color: var(--navy);
  display: grid; place-items: center; font-size: 16px; flex-shrink: 0;
}
.user-name { color: #fff; font-size: 13px; font-weight: 600; }
.user-role { color: rgba(255,255,255,.5); font-size: 11px; }
.btn-logout {
  margin-left: auto; color: rgba(255,255,255,.5); font-size: 17px;
  text-decoration: none; transition: color var(--transition);
}
.btn-logout:hover { color: #f87171; }

/* ── Collapsed Sidebar ──────────────────────────────────────────── */
#sidebar.collapsed { width: var(--sidebar-w-collapsed) !important; overflow: hidden; transition: width var(--transition); }
#sidebar.collapsed .brand-name,
#sidebar.collapsed .brand-sub,
#sidebar.collapsed .user-name,
#sidebar.collapsed .user-role,
#sidebar.collapsed .sidebar-nav li a span,
#sidebar.collapsed .sidebar-nav .nav-section,
#sidebar.collapsed .sidebar-nav .submenu-arrow,
#sidebar.collapsed .sidebar-nav .submenu,
#sidebar.collapsed .sidebar-nav li a .submenu-arrow { display: none !important; }
#sidebar.collapsed .sidebar-nav li a { justify-content: center !important; padding: 12px 0 !important; margin-right: 0 !important; }
#sidebar.collapsed .sidebar-nav li a i { margin-right: 0 !important; font-size: 18px; }
#sidebar.collapsed .sidebar-brand { justify-content: center !important; padding: 18px 0 !important; }
#sidebar.collapsed .sidebar-footer { justify-content: center !important; padding: 14px 0 !important; }
#sidebar.collapsed .sidebar-footer .user-avatar { margin: 0 !important; }
#sidebar.collapsed .btn-logout { margin-left: 0 !important; }

/* ── Main Wrap ──────────────────────────────────────────────── */
#main-wrap {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex; flex-direction: column;
  min-height: 100vh;
  transition: margin-left .2s ease;
}
body.sidebar-collapsed #main-wrap {
  margin-left: var(--sidebar-w-collapsed);
}

/* ── Topbar ─────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  display: flex; align-items: center; gap: 14px;
  padding: 0 24px;
  position: sticky; top: 0; z-index: 900;
  box-shadow: var(--shadow-sm);
}
.topbar-btn {
  border: none; background: none; color: var(--navy);
  font-size: 18px; cursor: pointer; padding: 4px 8px;
  border-radius: var(--radius);
  transition: background var(--transition);
  display: none;
}
.topbar-btn:hover { background: var(--navy-soft); }
.topbar-title { font-weight: 700; color: var(--navy); font-size: 16px; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-date  { color: var(--gray-600); font-size: 12.5px; }
.btn-pos-quick {
  background: var(--orange); color: var(--navy);
  border: none; border-radius: var(--radius); padding: 7px 14px;
  font-size: 13px; font-weight: 700; text-decoration: none;
  transition: background var(--transition);
}
.btn-pos-quick:hover { background: var(--orange-dk); color: var(--navy); }

/* ── Calculator Modal ───────────────────────────────────────── */
.calc-modal { border-radius: 20px; border: none; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.calc-modal-header { background: var(--navy); color: #fff; border-bottom: none; padding: 14px 18px; }
.calc-modal-header .btn-close { filter: brightness(0) invert(1); opacity: 0.7; }
.calc-modal-header .btn-close:hover { opacity: 1; }
.calc-modal-body { padding: 0; background: var(--navy-dark); }
.calc-screen { padding: 8px 20px 0; text-align: right; font-size: 14px; color: rgba(255,255,255,0.5); min-height: 28px; }
.calc-result { padding: 4px 20px 16px; text-align: right; font-size: 36px; font-weight: 700; color: #fff; min-height: 56px; word-break: break-all; }
.calc-keys { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,0.08); }
.key { border: none; padding: 18px; font-size: 20px; font-weight: 600; cursor: pointer; transition: all .1s; font-family: inherit; }
.key:active { transform: scale(0.95); }
.key.num { background: rgba(255,255,255,0.12); color: #fff; }
.key.num:hover { background: rgba(255,255,255,0.2); }
.key.zero { grid-column: span 2; }
.key.fn { background: rgba(255,255,255,0.08); color: var(--orange); }
.key.fn:hover { background: rgba(255,255,255,0.15); }
.key.op { background: var(--orange); color: var(--navy); font-size: 22px; }
.key.op:hover { background: var(--orange-dk); }
.key.eq { background: var(--success); color: #fff; font-size: 22px; }
.key.eq:hover { background: #15693f; }
.calc-modal-footer { background: var(--navy-dark); border-top: none; padding: 10px; }
.btn-calc-copy { background: rgba(255,255,255,0.1); color: #fff; border: none; border-radius: 8px; padding: 8px 20px; font-size: 13px; font-weight: 600; cursor: pointer; transition: background .15s; }
.btn-calc-copy:hover { background: rgba(255,255,255,0.2); color: #fff; }

/* ── Page Content ───────────────────────────────────────────── */
.page-content { padding: 24px; flex: 1; }

/* ── Stat Cards ─────────────────────────────────────────────── */
.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  display: flex; align-items: center; gap: 16px;
  transition: box-shadow var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-md); }
.stat-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: grid; place-items: center; font-size: 22px; flex-shrink: 0;
}
.stat-icon.navy   { background: var(--navy-soft); color: var(--navy); }
.stat-icon.orange { background: var(--orange-lt); color: var(--orange-dk); }
.stat-icon.green  { background: #d1fae5; color: var(--success); }
.stat-icon.red    { background: #fee2e2; color: var(--danger); }
.stat-label { font-size: 12px; color: var(--gray-600); text-transform: uppercase; letter-spacing: .5px; }
.stat-value { font-size: 14px; font-weight: 600; color: var(--navy); line-height: 1.1; margin-top: 2px; }
.stat-sub   { font-size: 11px; color: var(--gray-400); margin-top: 2px; }

/* ── Card ───────────────────────────────────────────────────── */
.card-pos {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.card-pos .card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--gray-200);
  background: var(--white);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex; align-items: center; justify-content: space-between;
}
.card-pos .card-header h6 {
  font-weight: 700; color: var(--navy); font-size: 14px;
  display: flex; align-items: center; gap: 8px; margin: 0;
}
.card-pos .card-body { padding: 20px; }

/* ── Table ──────────────────────────────────────────────────── */
.table-pos { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13.5px; }
.table-pos thead th {
  background: var(--navy);
  color: var(--white);
  padding: 11px 14px;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .4px;
  text-transform: uppercase;
  white-space: nowrap;
}
.table-pos thead th:first-child { border-radius: var(--radius) 0 0 0; }
.table-pos thead th:last-child  { border-radius: 0 var(--radius) 0 0; }
.table-pos tbody tr:hover td { background: var(--navy-soft); }
.table-pos tbody td { padding: 10px 14px; border-bottom: 1px solid var(--gray-200); vertical-align: middle; }
.table-pos tbody tr:last-child td { border-bottom: none; }

/* ── Badges ─────────────────────────────────────────────────── */
.badge-active   { background: #d1fae5; color: #065f46; font-size: 11px; padding: 3px 8px; border-radius: 20px; font-weight: 600; }
.badge-inactive { background: #fee2e2; color: #991b1b; font-size: 11px; padding: 3px 8px; border-radius: 20px; font-weight: 600; }
.badge-low      { background: var(--orange-lt); color: #92400e; font-size: 11px; padding: 3px 8px; border-radius: 20px; font-weight: 600; }
.badge-out      { background: #fee2e2; color: var(--danger); font-size: 11px; padding: 3px 8px; border-radius: 20px; font-weight: 600; }

/* ── POS Screen ─────────────────────────────────────────────── */
.pos-grid { display: grid; grid-template-columns: 1fr 380px; gap: 20px; height: calc(100vh - var(--topbar-h) - 48px); }
.pos-products { overflow-y: auto; }
.pos-panel { display: flex; flex-direction: column; gap: 12px; }
.pos-cart { flex: 1; overflow-y: auto; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.product-tile {
  background: var(--white); border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 10px;
  text-align: center; cursor: pointer; transition: all .15s;
  user-select: none;
}
.product-tile:hover { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(255,165,0,.15); }
.product-tile:active { transform: scale(.97); }
.product-tile.out-of-stock { opacity: .45; cursor: not-allowed; }
.product-tile-img { width:100%;height:80px;border-radius:8px;overflow:hidden;margin-bottom:8px;background:var(--gray-100);display:flex;align-items:center;justify-content:center; }
.product-tile-img img { width:100%;height:100%;object-fit:cover; }
.product-tile-img i { font-size:28px;color:var(--gray-400); }
.product-tile-name { font-size: 12px; font-weight: 600; color: var(--navy); line-height: 1.3; margin-bottom: 4px; }
.product-tile-price { font-size: 13px; font-weight: 800; color: var(--orange-dk); }
.product-tile-stock { font-size: 10px; color: var(--gray-400); margin-top: 2px; }

.cart-table { width: 100%; }
.cart-table td { padding: 7px 6px; font-size: 13px; vertical-align: middle; }
.cart-table tr { border-bottom: 1px solid var(--gray-200); }
.qty-ctrl { display: flex; align-items: center; gap: 4px; }
.qty-btn {
  width: 24px; height: 24px; border: 1px solid var(--gray-200);
  background: var(--gray-100); border-radius: 6px; font-size: 14px;
  cursor: pointer; display: grid; place-items: center; line-height: 1;
  transition: background .15s;
}
.qty-btn:hover { background: var(--orange-lt); border-color: var(--orange); }
.qty-display { min-width: 28px; text-align: center; font-weight: 700; }

.pos-totals { background: var(--navy-soft); border-radius: var(--radius-lg); padding: 14px 16px; }
.pos-totals .row-total { display: flex; justify-content: space-between; padding: 4px 0; font-size: 13px; }
.pos-totals .row-total.grand { font-size: 18px; font-weight: 800; color: var(--navy); border-top: 2px solid var(--navy); margin-top: 8px; padding-top: 8px; }

/* ── Forms ──────────────────────────────────────────────────── */
.form-label { font-weight: 600; font-size: 12.5px; color: var(--gray-800); margin-bottom: 5px; }
.form-control, .form-select {
  border: 1.5px solid var(--gray-200); border-radius: var(--radius);
  font-size: 13.5px; padding: 9px 12px; width: 100%;
  transition: border-color .15s, box-shadow .15s;
  background: var(--white); color: var(--gray-800);
}
.form-control:focus, .form-select:focus {
  outline: none; border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(0,0,128,.1);
}
.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px 12px;
  padding-right: 36px;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn-navy {
  background: var(--navy); color: var(--white);
  border: none; border-radius: var(--radius); padding: 9px 18px;
  font-size: 13.5px; font-weight: 600; cursor: pointer;
  transition: background var(--transition); text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
}
.btn-navy:hover { background: var(--navy-mid); color: var(--white); }
.btn-orange {
  background: var(--orange); color: var(--navy);
  border: none; border-radius: var(--radius); padding: 9px 18px;
  font-size: 13.5px; font-weight: 700; cursor: pointer;
  transition: background var(--transition); text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
}
.btn-orange:hover { background: var(--orange-dk); color: var(--navy); }
.btn-outline {
  background: transparent; color: var(--navy);
  border: 1.5px solid var(--navy); border-radius: var(--radius); padding: 8px 16px;
  font-size: 13px; font-weight: 600; cursor: pointer; transition: all var(--transition);
  text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
}
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-danger-sm {
  background: #fee2e2; color: var(--danger); border: none;
  border-radius: 6px; padding: 4px 8px; font-size: 12px; cursor: pointer;
  transition: background .15s;
}
.btn-danger-sm:hover { background: #fca5a5; }
.btn-warning-sm {
  background: #fef3c7; color: var(--warning); border: none;
  border-radius: 6px; padding: 4px 8px; font-size: 12px; cursor: pointer;
  transition: background .15s;
}
.btn-warning-sm:hover { background: #fde68a; }
.btn-sm-action {
  background: var(--navy-soft); color: var(--navy); border: none;
  border-radius: 6px; padding: 5px 10px; font-size: 12px; cursor: pointer;
  transition: background .15s; text-decoration: none; display: inline-flex; align-items: center; gap: 4px;
}
.btn-sm-action:hover { background: var(--navy); color: var(--white); }

/* ── Receipt ────────────────────────────────────────────────── */
.receipt-wrap {
  background: #fff; max-width: 340px; margin: 0 auto;
  padding: 24px 20px; font-family: 'Courier New', monospace; font-size: 12px;
  border: 1px solid #ccc;
}
.receipt-header { text-align: center; margin-bottom: 14px; }
.receipt-header h2 { font-size: 18px; font-weight: 900; color: var(--navy); margin-bottom: 2px; }
.receipt-divider { border: none; border-top: 1px dashed #999; margin: 8px 0; }
.receipt-row { display: flex; justify-content: space-between; padding: 2px 0; }
.receipt-total { font-weight: 900; font-size: 14px; }
@media print {
  .receipt-wrap { border: none; padding: 0; max-width: 100%; }
  .no-print { display: none !important; }
}

/* ── Low-stock alert bar ────────────────────────────────────── */
.stock-alert-bar {
  background: var(--orange-lt); border: 1px solid var(--orange);
  border-radius: var(--radius); padding: 10px 16px;
  display: flex; align-items: center; gap: 10px; font-size: 13px; color: #92400e;
}

/* ── Pagination ─────────────────────────────────────────────── */
.pagination .page-link { color: var(--navy); border-color: var(--gray-200); }
.pagination .page-link:hover { background: var(--navy-soft); border-color: var(--navy); color: var(--navy); }
.pagination .page-item.active .page-link { background: var(--navy); border-color: var(--navy); color: #fff; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 991px) {
  #sidebar { transform: translateX(-100%); }
  #sidebar.open { transform: translateX(0); }
  #main-wrap { margin-left: 0; }
  .topbar-btn { display: block; }
  .pos-grid { grid-template-columns: 1fr; height: auto; }
  .topbar-date { display: none; }
}
@media (max-width: 576px) {
  .page-content { padding: 14px; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px; }
}

/* ── Toastr overrides ───────────────────────────────────────── */
#toast-container > div { border-radius: var(--radius) !important; box-shadow: var(--shadow-md) !important; font-size: 13.5px !important; }
#toast-container .toast-success { background-color: var(--success) !important; }
#toast-container .toast-error   { background-color: var(--danger)  !important; }
#toast-container .toast-warning { background-color: var(--warning) !important; }
#toast-container .toast-info    { background-color: var(--info)    !important; }

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-400); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--navy); }

/* ── Modal overrides ────────────────────────────────────────── */
.modal-header { background: var(--navy); color: #fff; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.modal-header .modal-title { font-weight: 700; font-size: 15px; }
.modal-header .btn-close { filter: invert(1); }
.modal-content { border-radius: var(--radius-lg); border: none; box-shadow: 0 20px 60px rgba(0,0,128,.18); }

/* ── Search bar ─────────────────────────────────────────────── */
.search-input { position: relative; }
.search-input input { padding-left: 36px; }
.search-input i { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--gray-400); font-size: 14px; }

/* ── Empty state ────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--gray-400); }
.empty-state i { font-size: 48px; margin-bottom: 14px; display: block; }
.empty-state p { font-size: 15px; }