/* Design Tokens & Theme variables */
:root {
  --bg-primary: #0d0b0a;
  --bg-secondary: #151210;
  --bg-tertiary: #1f1a17;
  --accent-coffee: #e6b89c;
  --accent-coffee-rgb: 230, 184, 156;
  --accent-coffee-dark: #b88662;
  --accent-hub: #a8dadc;
  --text-main: #fcfaf7;
  --text-muted: #9c8e85;
  --border-color: rgba(230, 184, 156, 0.12);
  --border-hover: rgba(230, 184, 156, 0.35);
  
  --success: #34d399;
  --danger: #f87171;
  --warning: #fbbf24;
  --info: #60a5fa;

  --card-bg: rgba(31, 26, 23, 0.65);
  --glass-bg: rgba(21, 18, 16, 0.85);
  
  --font-sans: 'Outfit', sans-serif;
  --font-serif: 'Playfair Display', serif;
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 20px -3px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 25px 35px -5px rgba(0, 0, 0, 0.5);
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s ease;
  --sidebar-width: 250px;
}

/* Reset Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  height: 100vh;
  overflow: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-coffee);
}

/* Shell Layout */
.app-container {
  display: flex;
  width: 100vw;
  height: 100vh;
  position: relative;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

.app-container.hidden {
  display: none !important;
}

/* Auth Screens: Login Overlay */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at center, #231c18 0%, var(--bg-primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: opacity var(--transition-normal);
}

.login-overlay.hidden {
  opacity: 0;
  pointer-events: none;
  display: none !important;
}

.login-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: 24px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(230, 184, 156, 0.05);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.login-brand {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.login-logo {
  background-color: rgba(230, 184, 156, 0.08);
  color: var(--accent-coffee);
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  margin-bottom: 0.5rem;
}

.login-logo i {
  width: 28px;
  height: 28px;
}

.login-brand h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
}

.login-brand span {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.btn-login {
  width: 100%;
  background-color: var(--accent-coffee);
  color: var(--bg-primary);
  border: none;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px rgba(230, 184, 156, 0.25);
  transition: all var(--transition-normal);
  margin-top: 0.5rem;
}

.btn-login:hover {
  background-color: var(--text-main);
  box-shadow: 0 6px 20px rgba(230, 184, 156, 0.35);
  transform: translateY(-1px);
}

.login-footer {
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px dashed var(--border-color);
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.login-footer code {
  color: var(--accent-coffee);
  background-color: var(--bg-tertiary);
  padding: 0.05rem 0.25rem;
  border-radius: 4px;
}

/* Sidebar Navigation */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
  flex-shrink: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.logo-icon {
  background-color: var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-coffee);
  border: 1px solid rgba(230, 184, 156, 0.2);
}

.brand-text h2 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.brand-text span {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.version-badge {
  background-color: rgba(230, 184, 156, 0.08);
  color: var(--accent-coffee);
  border: 1px solid var(--border-color);
  font-size: 0.6rem;
  padding: 0.05rem 0.3rem;
  border-radius: 4px;
  font-weight: 600;
  opacity: 0.7;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex-grow: 1;
}

.nav-item {
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: all var(--transition-normal);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-item i {
  width: 18px;
  height: 18px;
}

.nav-item:hover {
  background-color: rgba(230, 184, 156, 0.05);
  color: var(--accent-coffee);
}

.nav-item.active {
  background-color: var(--accent-coffee);
  color: var(--bg-primary);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(230, 184, 156, 0.2);
}

.nav-item.admin-only {
  border-left: 2px dashed rgba(230, 184, 156, 0.3);
  padding-left: 0.85rem;
}

.nav-item.admin-only.hidden {
  display: none !important;
}

.sidebar-footer {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.operator-profile {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--accent-coffee-dark);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--accent-coffee);
}

.operator-info {
  display: flex;
  flex-direction: column;
}

.operator-name {
  font-size: 0.8rem;
  font-weight: 600;
}

.operator-role {
  font-size: 0.65rem;
  color: var(--success);
}

.btn-logout {
  background: none;
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 0.65rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition-normal);
  width: 100%;
}

.btn-logout:hover {
  background-color: rgba(248, 113, 113, 0.08);
}

/* Main Content Area */
.main-content {
  flex-grow: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.tab-content {
  display: none;
  width: 100%;
  height: 100%;
  flex-direction: column;
  animation: fadeIn var(--transition-normal);
}

.tab-content.active {
  display: flex;
}

.tab-content.admin-only.hidden {
  display: none !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Content Headers */
.content-header {
  height: 65px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  flex-shrink: 0;
}

.content-header h1 {
  font-size: 1.35rem;
  font-weight: 600;
  font-family: var(--font-serif);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* POS Workspace Layout */
.pos-workspace {
  display: flex;
  flex-grow: 1;
  overflow: hidden;
  height: calc(100vh - 65px);
}

/* Left Section: Client Mode + Categories + Product Grid */
.products-section {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  overflow-y: auto;
  background-color: var(--bg-primary);
  gap: 1rem;
}

/* Customer Selector Card */
.customer-mode-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1rem 1.25rem;
}

.mode-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.mode-header h4 {
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--accent-coffee);
}

.mode-header h4 i {
  width: 16px;
  height: 16px;
}

.mode-toggle {
  display: flex;
  background-color: var(--bg-tertiary);
  padding: 0.25rem;
  border-radius: 30px;
  border: 1px solid var(--border-color);
}

.mode-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: 30px;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.mode-btn.active {
  background-color: var(--accent-coffee);
  color: var(--bg-primary);
}

.customer-input-box {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.customer-input-box label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.customer-input-box input {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  transition: border-color var(--transition-normal);
}

.customer-input-box input:focus {
  outline: none;
  border-color: var(--accent-coffee);
}

/* Autocomplete search and badge for Resident selection */
.autocomplete-container {
  position: relative;
  width: 100%;
}

.resident-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-top: 0.25rem;
  max-height: 150px;
  overflow-y: auto;
  z-index: 50;
  display: none;
  box-shadow: var(--shadow-md);
}

.resident-dropdown.active {
  display: block;
}

.resident-item {
  padding: 0.6rem 1rem;
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(230, 184, 156, 0.05);
}

.resident-item:hover {
  background-color: rgba(230, 184, 156, 0.08);
  color: var(--accent-coffee);
}

.selected-resident-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(230, 184, 156, 0.08);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1rem;
  border-radius: 8px;
  margin-top: 0.25rem;
}

.badge-content {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.badge-content #badge-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.badge-content #badge-debt {
  font-size: 0.7rem;
  color: var(--accent-coffee);
}

.btn-clear-selection {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem;
  border-radius: 4px;
}

.btn-clear-selection:hover {
  color: var(--danger);
  background-color: rgba(248, 113, 113, 0.08);
}

/* Category Filter Tabs */
.categories-container {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  flex-shrink: 0;
}

.category-tab {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  cursor: pointer;
  white-space: nowrap;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.category-tab i {
  width: 14px;
  height: 14px;
}

.category-tab:hover {
  border-color: var(--accent-coffee);
  color: var(--accent-coffee);
}

.category-tab.active {
  background-color: var(--accent-coffee);
  border-color: var(--accent-coffee);
  color: var(--bg-primary);
  font-weight: 600;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 1rem;
  padding-bottom: 1.5rem;
}

.product-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-coffee);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.product-card-icon {
  background-color: rgba(230, 184, 156, 0.05);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-coffee);
  margin-bottom: 0.85rem;
  border: 1px solid rgba(230, 184, 156, 0.1);
  transition: all var(--transition-normal);
}

.product-card-icon i {
  width: 20px;
  height: 20px;
}

.product-info h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.product-info p {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.3;
  height: 2.6em;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin-bottom: 0.75rem;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.product-price {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-coffee);
}

.btn-add-item {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-add-item i {
  width: 14px;
  height: 14px;
}

/* Card Hover */
.product-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

.product-card:hover::before {
  opacity: 1;
}

.product-card:hover .product-card-icon {
  background-color: var(--accent-coffee);
  color: var(--bg-primary);
  border-color: var(--accent-coffee);
}

.product-card:hover .btn-add-item {
  background-color: var(--accent-coffee);
  color: var(--bg-primary);
  border-color: var(--accent-coffee);
}

/* Right Section: Shopping Cart */
.cart-section {
  width: 360px;
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-shrink: 0;
}

.cart-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-title {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.cart-title i {
  color: var(--accent-coffee);
  width: 18px;
  height: 18px;
}

.cart-title h3 {
  font-size: 0.95rem;
  font-weight: 600;
}

.item-count-badge {
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  font-weight: 500;
}

.btn-clear-cart {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem;
  border-radius: 4px;
  transition: all var(--transition-normal);
}

.btn-clear-cart:hover {
  color: var(--danger);
  background-color: rgba(248, 113, 113, 0.08);
}

.cart-items {
  flex-grow: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.empty-cart-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
  height: 100%;
  gap: 0.5rem;
}

.empty-cart-state i {
  width: 36px;
  height: 36px;
  opacity: 0.3;
  color: var(--accent-coffee);
}

.empty-cart-state p {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.empty-cart-state span {
  font-size: 0.7rem;
}

.cart-item {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  animation: slideIn var(--transition-fast);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: translateX(0); }
}

.cart-item-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.cart-item-name {
  font-size: 0.8rem;
  font-weight: 600;
}

.cart-item-price {
  font-size: 0.75rem;
  color: var(--accent-coffee);
  font-weight: 700;
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.qty-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
}

.qty-btn:hover {
  background-color: var(--accent-coffee);
  color: var(--bg-primary);
  border-color: var(--accent-coffee);
}

.qty-val {
  font-size: 0.8rem;
  font-weight: 600;
  min-width: 12px;
  text-align: center;
}

.btn-remove-item {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
}

.btn-remove-item:hover {
  color: var(--danger);
}

.btn-remove-item i {
  width: 14px;
  height: 14px;
}

/* Totals Box and Payment selections */
.cart-summary {
  background-color: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.btn-toggle-discount {
  background: none;
  border: none;
  color: var(--accent-coffee);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}

.btn-toggle-discount.active {
  color: var(--success);
}

.summary-row.total {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  border-top: 1px dashed var(--border-color);
  padding-top: 0.5rem;
}

.summary-row.total span:last-child {
  color: var(--accent-coffee);
}

.checkout-methods h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 0.4rem;
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
}

.payment-grid:has(.payment-btn.hidden) {
  grid-template-columns: repeat(3, 1fr); /* default */
}

/* When 4 buttons are present (for residents) */
.payment-grid {
  grid-template-columns: repeat(3, 1fr);
}
.payment-grid.has-four {
  grid-template-columns: repeat(4, 1fr);
}

.payment-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: 6px;
  padding: 0.5rem 0.15rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  transition: all var(--transition-normal);
}

.payment-btn.hidden {
  display: none !important;
}

.payment-btn i {
  width: 16px;
  height: 16px;
}

.payment-btn span {
  font-size: 0.7rem;
  font-weight: 600;
}

.payment-btn:hover {
  border-color: var(--accent-coffee);
  color: var(--accent-coffee);
}

.payment-btn.selected {
  background-color: rgba(230, 184, 156, 0.12);
  border-color: var(--accent-coffee);
  color: var(--accent-coffee);
}

/* Account target select box */
.checkout-account-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

.checkout-account-group.hidden {
  display: none !important;
}

.checkout-account-group label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.checkout-account-group select {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.45rem;
  border-radius: 6px;
  font-size: 0.8rem;
}

.btn-checkout {
  background-color: var(--accent-coffee);
  color: var(--bg-primary);
  border: none;
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition: all var(--transition-normal);
  margin-top: 0.25rem;
}

.btn-checkout:hover:not(.disabled):not(:disabled) {
  background-color: var(--accent-coffee-dark);
}

.btn-checkout.disabled, .btn-checkout:disabled {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* MODALS LAYOUT */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 440px;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96);
  transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.05rem;
  font-family: var(--font-serif);
}

.btn-close-modal {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-close-modal:hover {
  color: var(--danger);
}

.modal-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  background-color: var(--bg-tertiary);
}

/* Checkout simulated boxes */
.checkout-summary-box {
  background: linear-gradient(135deg, var(--bg-tertiary), rgba(230, 184, 156, 0.05));
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}

.checkout-summary-box .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.checkout-summary-box .value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-coffee);
}

.method-badge {
  margin-top: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 500;
}

.method-badge i {
  width: 12px;
  height: 12px;
  color: var(--accent-coffee);
}

/* Input structures in modals */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.input-group label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.input-group input, .input-group select {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  font-size: 0.85rem;
}

.input-group input:focus, .input-group select:focus {
  outline: none;
  border-color: var(--accent-coffee);
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.change-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(52, 211, 153, 0.06);
  border: 1px solid rgba(52, 211, 153, 0.15);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  color: var(--success);
  font-size: 0.85rem;
  font-weight: 600;
}

.change-display strong {
  font-size: 1.1rem;
}

/* Pix and NFC simulations */
.pix-simulation-box, .card-simulation-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
}

.qr-code-placeholder {
  background-color: #fff;
  padding: 0.85rem;
  border-radius: 12px;
  border: 3px solid var(--accent-coffee);
}

.qr-mockup {
  width: 110px;
  height: 110px;
  position: relative;
  background: 
    repeating-linear-gradient(0deg, transparent, transparent 3px, #0d0b0a 3px, #0d0b0a 6px),
    repeating-linear-gradient(90deg, #0d0b0a, #0d0b0a 3px, transparent 3px, transparent 6px);
}

.qr-corner {
  position: absolute;
  width: 24px;
  height: 24px;
  border: 6px solid #0d0b0a;
  background-color: #fff;
}

.qr-corner.top-left { top: 0; left: 0; }
.qr-corner.top-right { top: 0; right: 0; }
.qr-corner.bottom-left { bottom: 0; left: 0; }

.qr-center {
  position: absolute;
  width: 32px;
  height: 32px;
  background-color: #fff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-coffee-dark);
}

.qr-center i {
  width: 18px;
  height: 18px;
}

.pix-key {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.pix-key code {
  background-color: var(--bg-tertiary);
  color: var(--accent-coffee);
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
}

.badge-waiting {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background-color: rgba(251, 191, 36, 0.06);
  border: 1px solid rgba(251, 191, 36, 0.15);
  color: var(--warning);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.7rem;
}

.spinner {
  width: 12px;
  height: 12px;
  border: 2px solid rgba(251, 191, 36, 0.2);
  border-top-color: var(--warning);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.nfc-icon {
  width: 48px;
  height: 48px;
  color: var(--accent-coffee);
  margin-bottom: 0.25rem;
}

.animate-pulse {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

/* Button Classes */
.btn-primary, .btn-secondary, .btn-danger, .btn-outline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 8px;
  padding: 0.55rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-primary {
  background-color: var(--accent-coffee);
  color: var(--bg-primary);
  border: none;
}

.btn-primary:hover {
  background-color: var(--accent-coffee-dark);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  color: var(--text-main);
  border-color: var(--text-muted);
}

.btn-danger {
  background-color: rgba(248, 113, 113, 0.1);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.25);
}

.btn-danger:hover {
  background-color: var(--danger);
  color: var(--bg-primary);
}

.btn-outline {
  background: none;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  color: var(--accent-coffee);
  border-color: var(--accent-coffee);
}

/* Finance Workspace */
.finance-workspace {
  display: flex;
  flex-grow: 1;
  overflow: hidden;
  height: calc(100vh - 65px);
  padding: 1.25rem;
  gap: 1.25rem;
}

.accounts-side {
  width: 260px;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex-shrink: 0;
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-title h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.btn-add-account-mini {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--accent-coffee);
  width: 24px;
  height: 24px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.accounts-list-container {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  overflow-y: auto;
}

.account-card-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.account-card-item span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.account-card-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-coffee);
}

.ledger-main {
  flex-grow: 1;
  height: 100%;
}

/* Dashboard elements */
.dashboard-charts-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 1rem;
}

/* Custom CSS Progress Bars for categories */
.category-breakdown-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.progress-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
}

.progress-bar-bg {
  width: 100%;
  height: 8px;
  background-color: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--accent-coffee);
  border-radius: 4px;
  transition: width 0.8s ease-out;
}

/* Credit Card Mockup styling */
.credit-card-mockup {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, #2b1f1a 0%, #15110f 100%);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.credit-card-mockup::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 120px;
  height: 120px;
  background: rgba(230, 184, 156, 0.03);
  border-radius: 50%;
  pointer-events: none;
}

.card-chip {
  width: 32px;
  height: 24px;
  background: linear-gradient(135deg, #d4af37 0%, #aa7c11 100%);
  border-radius: 4px;
}

.card-logo {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.card-num {
  font-size: 1.1rem;
  font-family: monospace;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin: 0.5rem 0;
}

.card-balances {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(230, 184, 156, 0.08);
  padding-top: 0.65rem;
}

.bal-col {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.bal-col span {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.bal-col strong {
  font-size: 0.95rem;
  color: var(--accent-coffee);
}

.accordion-section h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* History Ledger lists */
.history-container {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  overflow-y: auto;
  flex-grow: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon.purple { background-color: rgba(167, 139, 250, 0.08); color: #a78bfa; border: 1px solid rgba(167, 139, 250, 0.15); }
.stat-icon.gold { background-color: rgba(251, 191, 36, 0.08); color: #fbbf24; border: 1px solid rgba(251, 191, 36, 0.15); }
.stat-icon.green { background-color: rgba(52, 211, 153, 0.08); color: #34d399; border: 1px solid rgba(52, 211, 153, 0.15); }

.stat-icon i {
  width: 20px;
  height: 20px;
}

.stat-details {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.stat-value {
  font-size: 1.15rem;
  font-weight: 700;
}

.table-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
}

.table-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.table-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
}

.table-filters select {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
}

.table-responsive {
  width: 100%;
}

.sales-table, .products-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.sub-tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-weight: normal;
  cursor: pointer;
  padding: 0.5rem 1rem;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
  margin-bottom: -0.5rem;
  position: relative;
  z-index: 10;
}

.sub-tab-btn:hover {
  color: var(--text-main);
}

.sub-tab-btn.active {
  color: var(--accent-coffee);
  font-weight: bold;
  border-bottom: 2px solid var(--accent-coffee);
}

.sales-table th, .products-table th {
  background-color: var(--bg-tertiary);
  padding: 0.75rem 1.25rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.sales-table td, .products-table td {
  padding: 0.85rem 1.25rem;
  font-size: 0.8rem;
  border-bottom: 1px solid var(--border-color);
}

.sales-table tbody tr:hover, .products-table tbody tr:hover {
  background-color: rgba(230, 184, 156, 0.01);
}

.text-danger { color: var(--danger) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }

/* Status pill indicator */
.status-pill {
  padding: 0.2rem 0.5rem;
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

.status-pill.success {
  background-color: rgba(52, 211, 153, 0.08);
  color: var(--success);
  border: 1px solid rgba(52, 211, 153, 0.15);
}

.status-pill.danger {
  background-color: rgba(248, 113, 113, 0.08);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.15);
}

.status-pill.warning {
  background-color: rgba(251, 191, 36, 0.08);
  color: var(--warning);
  border: 1px solid rgba(251, 191, 36, 0.15);
}

.table-product-icon {
  background-color: var(--bg-tertiary);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-coffee);
  border: 1px solid var(--border-color);
}

.table-product-icon i {
  width: 16px;
  height: 16px;
}

.btn-actions-cell {
  display: flex;
  gap: 0.4rem;
}

.btn-icon-only {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-icon-only:hover {
  border-color: var(--accent-coffee);
  color: var(--accent-coffee);
}

.btn-icon-only.delete:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.btn-icon-only i {
  width: 12px;
  height: 12px;
}

/* Toast Notifications styling */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1100;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-coffee);
  border-radius: 6px;
  padding: 0.85rem 1.15rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all var(--transition-normal);
}

.toast-container.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.toast-content i {
  color: var(--accent-coffee);
  width: 18px;
  height: 18px;
}

.toast-content span {
  font-size: 0.8rem;
  font-weight: 500;
}

/* Responsive constraints */
@media (max-width: 1024px) {
  .app-container {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    flex-direction: row;
    padding: 0.85rem 1.25rem;
  }
  .brand { margin-bottom: 0; }
  .nav-menu {
    flex-direction: row;
    margin-left: 1.5rem;
  }
  .nav-item { width: auto; padding: 0.5rem 0.85rem; }
  .nav-item.admin-only { border-left: none; border-top: 2px dashed rgba(230, 184, 156, 0.3); padding-top: 0.35rem; }
  .sidebar-footer { margin-top: 0; flex-direction: row; }
  .operator-profile { border-top: none; padding-top: 0; }
  .btn-logout { width: auto; }
  
  .pos-workspace {
    flex-direction: column;
    height: calc(100vh - 125px);
  }
  .cart-section {
    width: 100%;
    height: 300px;
    border-left: none;
    border-top: 1px solid var(--border-color);
  }
  
  .finance-workspace {
    flex-direction: column;
    height: calc(100vh - 125px);
  }
  .accounts-side { width: 100%; }
}

/* ========================================== */
/* KDS (KITCHEN DISPLAY SYSTEM) STYLES */
/* ========================================== */
.kds-workspace {
  display: flex;
  height: calc(100vh - 65px);
  padding: 1.5rem;
  gap: 1.5rem;
  overflow: hidden;
  background-color: var(--bg-primary);
}

.kds-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
}

.kds-column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
}

.kds-column-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.kds-cards-container {
  flex-grow: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.kds-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.kds-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-coffee);
}

.kds-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 0.5rem;
}

.kds-card-title {
  font-weight: 600;
  color: var(--text-main);
  font-size: 1rem;
}

.kds-card-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.kds-card-items {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.kds-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.kds-item-qty {
  background-color: rgba(230, 184, 156, 0.1);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
  color: var(--accent-coffee);
  border: 1px solid rgba(230, 184, 156, 0.2);
  min-width: 32px;
  text-align: center;
}

.kds-card-footer {
  display: flex;
  justify-content: flex-end;
  padding-top: 0.5rem;
  margin-top: 0.5rem;
}