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

body {
  font-family: -apple-system, Arial, sans-serif;
  background: #F5F5F5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── HEADER ── */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: #212121;
  display: flex;
  align-items: center;
  padding: 0 12px;
  z-index: 200;
}
.header-btn {
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 22px;
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.header-title {
  flex: 1;
  color: #FFFFFF;
  font-size: 18px;
  font-weight: 700;
  padding-left: 8px;
}
.header-right {
  display: flex;
  align-items: center;
}
.cart-btn {
  position: relative;
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 22px;
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cart-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  background: #F44336;
  color: #FFFFFF;
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}
.cart-badge.visible {
  display: flex;
}
.shift-badge {
  background: #4CAF50;
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  margin-left: 8px;
}
.shift-badge.closed {
  background: #F44336;
}
.sync-badge {
  background: #4CAF50;
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  margin-left: 8px;
  cursor: pointer;
  white-space: nowrap;
}
.sync-badge.offline {
  background: #FF9800;
}
.sync-badge.pending {
  background: #2196F3;
}
.sync-badge.dead {
  background: #F44336;
}

/* ── MAIN CONTENT ── */
.app-body {
  padding-top: 56px;
  min-height: 100vh;
}

/* ── DRAWER OVERLAY ── */
.drawer-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 300;
}
.drawer-overlay.visible {
  display: block;
}

/* ── SIDE DRAWER ── */
.drawer {
  position: fixed;
  top: 0;
  left: -280px;
  width: 280px;
  height: 100%;
  background: #FFFFFF;
  z-index: 400;
  transition: left 0.2s;
  overflow-y: auto;
}
.drawer.open {
  left: 0;
}
.drawer-header {
  background: #212121;
  color: #FFFFFF;
  padding: 16px;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  min-height: 56px;
}
.drawer-close {
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 22px;
  cursor: pointer;
  margin-right: 12px;
  min-width: 32px;
  min-height: 32px;
}
.drawer-menu {
  list-style: none;
  padding: 8px 0;
}
.drawer-menu li a {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  font-size: 16px;
  color: #212121;
  text-decoration: none;
  min-height: 52px;
  border-bottom: 1px solid #F5F5F5;
}
.drawer-menu li a:active {
  background: #F5F5F5;
}
.drawer-menu li a .menu-icon {
  margin-right: 16px;
  font-size: 20px;
  width: 28px;
  text-align: center;
}
.drawer-divider {
  height: 1px;
  background: #E0E0E0;
  margin: 8px 0;
}
.drawer-menu li a.danger {
  color: #F44336;
}

/* ── SCREENS ── */
.screen {
  display: none;
  min-height: calc(100vh - 56px);
}
.screen.active {
  display: block;
}

/* ── PANEL NAVIGATION ── */
.panel {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #FFFFFF;
  z-index: 250;
  overflow-y: auto;
}
.panel.active {
  display: block;
}
.panel-header {
  position: sticky;
  top: 0;
  background: #212121;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  padding: 0 12px;
  min-height: 56px;
  z-index: 10;
}
.panel-back {
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 22px;
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 8px;
}
.panel-title {
  flex: 1;
  font-size: 17px;
  font-weight: 700;
}
.panel-body {
  padding: 16px;
}
.panel-footer {
  position: sticky;
  bottom: 0;
  background: #FFFFFF;
  padding: 12px 16px;
  border-top: 1px solid #E0E0E0;
}

/* ── REGISTER SCREEN ── */
.search-bar {
  padding: 10px 12px;
  background: #FFFFFF;
  border-bottom: 1px solid #E0E0E0;
}
.search-bar input {
  width: 100%;
  padding: 10px 14px;
  font-size: 16px;
  border: 1px solid #E0E0E0;
  border-radius: 4px;
  outline: none;
}
.category-bar {
  display: flex;
  overflow-x: auto;
  padding: 8px 12px;
  background: #FFFFFF;
  border-bottom: 1px solid #E0E0E0;
  -webkit-overflow-scrolling: touch;
}
.category-bar::-webkit-scrollbar { display: none; }
.cat-btn {
  flex-shrink: 0;
  padding: 8px 16px;
  margin-right: 8px;
  font-size: 14px;
  font-weight: 600;
  border: 2px solid #E0E0E0;
  border-radius: 4px;
  background: #FFFFFF;
  color: #616161;
  cursor: pointer;
  min-height: 40px;
  white-space: nowrap;
}
.cat-btn.active {
  background: #4CAF50;
  border-color: #4CAF50;
  color: #FFFFFF;
}
.product-grid {
  display: flex;
  flex-wrap: wrap;
  padding: 8px;
  background: #F5F5F5;
}
.product-tile {
  width: calc(50% - 8px);
  margin: 4px;
  background: #FFFFFF;
  border-radius: 4px;
  padding: 16px 12px;
  cursor: pointer;
  border: 1px solid #E0E0E0;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.product-tile:active {
  background: #E8F5E9;
  border-color: #4CAF50;
}
.tile-name {
  font-size: 14px;
  font-weight: 600;
  color: #212121;
  margin-bottom: 6px;
}
.tile-price {
  font-size: 16px;
  font-weight: 700;
  color: #4CAF50;
}

/* ── CART PANEL ── */
.cart-items {
  padding: 0;
}
.cart-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid #F0F0F0;
}
.cart-item-info {
  flex: 1;
}
.cart-item-name {
  font-size: 15px;
  font-weight: 600;
  color: #212121;
}
.cart-item-price {
  font-size: 13px;
  color: #757575;
  margin-top: 2px;
}
.cart-qty {
  display: flex;
  align-items: center;
  margin-left: 12px;
}
.qty-btn {
  width: 32px;
  height: 32px;
  border: 1px solid #E0E0E0;
  background: #F5F5F5;
  font-size: 18px;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qty-num {
  width: 36px;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
}
.cart-item-total {
  font-size: 15px;
  font-weight: 700;
  color: #212121;
  margin-left: 12px;
  min-width: 56px;
  text-align: right;
}
.cart-summary {
  padding: 16px;
  background: #FAFAFA;
  border-top: 1px solid #E0E0E0;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 15px;
  color: #616161;
}
.summary-row.total {
  font-size: 18px;
  font-weight: 700;
  color: #212121;
  padding-top: 8px;
  border-top: 1px solid #E0E0E0;
  margin-top: 8px;
}
.cart-actions {
  display: flex;
  padding: 12px 16px;
  border-top: 1px solid #E0E0E0;
}
.cart-action-btn {
  flex: 1;
  padding: 12px 8px;
  margin-right: 8px;
  font-size: 14px;
  font-weight: 600;
  border: 2px solid #E0E0E0;
  border-radius: 4px;
  background: #FFFFFF;
  cursor: pointer;
  min-height: 48px;
}
.cart-action-btn:last-child { margin-right: 0; }
.cart-action-btn.hold { color: #FF9800; border-color: #FF9800; }
.cart-action-btn.void { color: #F44336; border-color: #F44336; }
.cart-action-btn.disc { color: #2196F3; border-color: #2196F3; }

/* ── PAYMENT PANEL ── */
.payment-methods {
  display: flex;
  flex-wrap: wrap;
  padding: 16px;
}
.pay-method-btn {
  width: calc(50% - 8px);
  margin: 4px;
  padding: 20px 12px;
  font-size: 16px;
  font-weight: 700;
  border: 2px solid #E0E0E0;
  border-radius: 4px;
  background: #FFFFFF;
  cursor: pointer;
  min-height: 70px;
  text-align: center;
}
.pay-method-btn.selected {
  border-color: #4CAF50;
  background: #E8F5E9;
  color: #4CAF50;
}
.pay-input-section {
  padding: 16px;
}
.pay-label {
  font-size: 14px;
  color: #757575;
  margin-bottom: 8px;
  display: block;
}
.pay-input {
  width: 100%;
  padding: 14px;
  font-size: 20px;
  border: 2px solid #E0E0E0;
  border-radius: 4px;
  text-align: center;
  outline: none;
}
.pay-input:focus { border-color: #4CAF50; }
.change-display {
  font-size: 22px;
  font-weight: 700;
  color: #4CAF50;
  text-align: center;
  padding: 12px;
}

/* ── BUTTONS ── */
.btn-primary {
  width: 100%;
  padding: 16px;
  background: #4CAF50;
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  min-height: 52px;
}
.btn-primary:active { background: #388E3C; }
.btn-primary:disabled { background: #BDBDBD; }
.btn-danger {
  width: 100%;
  padding: 16px;
  background: #F44336;
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  min-height: 52px;
}
.btn-secondary {
  width: 100%;
  padding: 14px;
  background: #FFFFFF;
  color: #212121;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid #E0E0E0;
  border-radius: 4px;
  cursor: pointer;
  min-height: 48px;
}

/* ── LISTS ── */
.list-item {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  background: #FFFFFF;
  border-bottom: 1px solid #F0F0F0;
  min-height: 60px;
}
.list-item-info { flex: 1; }
.list-item-title {
  font-size: 15px;
  font-weight: 600;
  color: #212121;
}
.list-item-sub {
  font-size: 13px;
  color: #757575;
  margin-top: 2px;
}
.list-item-right {
  font-size: 15px;
  font-weight: 700;
  color: #212121;
  margin-left: 12px;
}
.list-item-action {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  min-height: 36px;
  margin-left: 8px;
}
.action-blue { background: #E3F2FD; color: #1976D2; }
.action-green { background: #E8F5E9; color: #388E3C; }
.action-red { background: #FFEBEE; color: #D32F2F; }
.action-orange { background: #FFF3E0; color: #F57C00; }

/* ── BADGES ── */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.badge-green { background: #E8F5E9; color: #388E3C; }
.badge-orange { background: #FFF3E0; color: #F57C00; }
.badge-red { background: #FFEBEE; color: #D32F2F; }
.badge-blue { background: #E3F2FD; color: #1976D2; }

/* ── FORMS ── */
.form-section {
  padding: 16px;
}
.form-field {
  margin-bottom: 16px;
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #757575;
  margin-bottom: 6px;
  text-transform: uppercase;
}
.form-input {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  border: 1px solid #E0E0E0;
  border-radius: 4px;
  outline: none;
  background: #FFFFFF;
}
.form-input:focus { border-color: #4CAF50; }
.form-select {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  border: 1px solid #E0E0E0;
  border-radius: 4px;
  background: #FFFFFF;
  outline: none;
}

/* ── TABLES ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #FFFFFF;
  font-size: 14px;
}
.data-table th {
  padding: 10px 12px;
  background: #F5F5F5;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  color: #757575;
  text-transform: uppercase;
  border-bottom: 2px solid #E0E0E0;
}
.data-table td {
  padding: 12px;
  border-bottom: 1px solid #F0F0F0;
  color: #212121;
}
.data-table tr:active td { background: #F5F5F5; }

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: #9E9E9E;
}
.empty-state-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state-text { font-size: 16px; }

/* ── FAB ── */
.fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 28px;
  background: #4CAF50;
  color: #FFFFFF;
  font-size: 28px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* ── MODAL OVERLAY ── */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay.visible { display: flex; }
.modal {
  background: #FFFFFF;
  border-radius: 8px;
  width: 100%;
  max-width: 400px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
}
.modal h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #212121;
}
.modal input, .modal select {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border: 1px solid #E0E0E0;
  border-radius: 4px;
  margin-bottom: 12px;
  outline: none;
}
.modal-btn {
  width: 100%;
  padding: 14px;
  background: #4CAF50;
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  min-height: 48px;
  margin-bottom: 8px;
}
.modal-btn-cancel {
  background: #F5F5F5;
  color: #212121;
}

/* ── REPORT CARDS ── */
.report-card {
  background: #FFFFFF;
  border-radius: 4px;
  padding: 16px;
  margin-bottom: 12px;
  border-left: 4px solid #4CAF50;
}
.report-card-title {
  font-size: 13px;
  color: #757575;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 6px;
}
.report-card-value {
  font-size: 24px;
  font-weight: 700;
  color: #212121;
}
.report-card-sub {
  font-size: 13px;
  color: #9E9E9E;
  margin-top: 4px;
}

/* ── UTILS ── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-green { color: #4CAF50; }
.text-red { color: #F44336; }
.text-gray { color: #9E9E9E; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.p-16 { padding: 16px; }
.divider {
  height: 1px;
  background: #E0E0E0;
  margin: 12px 0;
}


/* Signed-in user under the store name in the drawer */
.drawer-title {
  display: flex;
  flex-direction: column;
}
.drawer-user {
  font-size: 12px;
  font-weight: 400;
  color: #BDBDBD;
}

/* Permissions: controls the signed-in user can't use (js/app/access.js sets the classes) */
body.no-discount #discBtn,
body.no-refund #saleRefundBtn,
body.no-inventory-edit #addProductBtn,
body.no-inventory-edit .inv-write,
body.no-purchases-edit #newPurchaseBtn,
body.no-purchases-edit .po-write,
body.no-customers-edit #addCustomerBtn,
body.no-customers-edit .cust-write {
  display: none !important;
}