/* 
   Daily Sales Report System - CSS Stylesheet
   Premium Glassmorphic Design System with Dark & Light Themes
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Dark Mode Palette (Default) */
  --bg-primary: #0b0c10;
  --bg-secondary: #14151f;
  --bg-glass: rgba(20, 21, 31, 0.7);
  --bg-glass-hover: rgba(30, 32, 47, 0.85);
  --border-glass: rgba(255, 255, 255, 0.06);
  --border-glass-focused: rgba(124, 58, 237, 0.4);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-primary: #7c3aed; /* Violet */
  --accent-primary-rgb: 124, 58, 237;
  --accent-secondary: #06b6d4; /* Cyan */
  --accent-secondary-rgb: 6, 182, 212;
  
  --success: #10b981;
  --success-rgb: 16, 185, 129;
  --warning: #f59e0b;
  --warning-rgb: 245, 158, 11;
  --danger: #ef4444;
  --danger-rgb: 239, 68, 68;
  
  --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
  --glow-shadow: 0 0 15px rgba(124, 58, 237, 0.2);
  
  --font-display: 'Outfit', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --sidebar-width: 260px;
  --transition-speed: 0.3s;
  --border-radius-lg: 16px;
  --border-radius-md: 10px;
  --border-radius-sm: 6px;
}

[data-theme="light"] {
  /* Light Mode Palette */
  --bg-primary: #f6f8fc;
  --bg-secondary: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.75);
  --bg-glass-hover: rgba(241, 245, 249, 0.9);
  --border-glass: rgba(15, 23, 42, 0.08);
  --border-glass-focused: rgba(99, 102, 241, 0.5);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent-primary: #6366f1; /* Indigo */
  --accent-primary-rgb: 99, 102, 241;
  --accent-secondary: #0d9488; /* Teal */
  --accent-secondary-rgb: 13, 148, 136;
  
  --success: #0d9488;
  --success-rgb: 13, 148, 136;
  --warning: #d97706;
  --warning-rgb: 217, 119, 6;
  --danger: #dc2626;
  --danger-rgb: 220, 38, 38;
  
  --card-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.06);
  --glow-shadow: 0 0 15px rgba(99, 102, 241, 0.1);
}

/* Reset & Global */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* App Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-right: 1px solid var(--border-glass);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 100;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.logo-icon {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--glow-shadow);
}

.logo-text h2 {
  font-size: 1.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-theme="light"] .logo-text h2 {
  background: linear-gradient(135deg, #1e1b4b, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.nav-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
}

.nav-item {
  width: 100%;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition-speed) ease;
  border: 1px solid transparent;
}

.nav-link i {
  font-size: 1.2rem;
  transition: transform var(--transition-speed) ease;
}

.nav-link:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
  border-color: var(--border-glass);
}

.nav-link:hover i {
  transform: translateX(3px);
}

.nav-item.active .nav-link {
  background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.15), rgba(var(--accent-secondary-rgb), 0.05));
  color: var(--text-primary);
  border-color: var(--border-glass-focused);
  box-shadow: 0 4px 20px -5px rgba(var(--accent-primary-rgb), 0.3);
}

.nav-item.active .nav-link i {
  color: var(--accent-primary);
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Theme Toggle */
.theme-toggle-btn {
  background: var(--bg-glass-hover);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  padding: 0.75rem;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-speed) ease;
}

.theme-toggle-btn:hover {
  border-color: var(--border-glass-focused);
  box-shadow: var(--glow-shadow);
}

/* Main Content Area */
.main-content {
  margin-left: var(--sidebar-width);
  flex-grow: 1;
  padding: 2rem 3rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Top Header */
.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-glass);
}

.page-title h1 {
  font-size: 2rem;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.date-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-glass);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-glass);
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Views Container */
.view-panel {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.view-panel.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* KPI Cards Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  padding: 1.5rem;
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--card-shadow);
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glass-focused);
  box-shadow: var(--glow-shadow), var(--card-shadow);
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary));
  opacity: 0.8;
}

.stat-card.revenue::after { background: var(--accent-primary); }
.stat-card.profit::after { background: var(--success); }
.stat-card.sales::after { background: var(--accent-secondary); }
.stat-card.margin::after { background: var(--warning); }

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

.stat-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.stat-card.revenue .stat-icon { background: rgba(var(--accent-primary-rgb), 0.2); color: var(--accent-primary); }
.stat-card.profit .stat-icon { background: rgba(var(--success-rgb), 0.2); color: var(--success); }
.stat-card.sales .stat-icon { background: rgba(var(--accent-secondary-rgb), 0.2); color: var(--accent-secondary); }
.stat-card.margin .stat-icon { background: rgba(var(--warning-rgb), 0.2); color: var(--warning); }

.stat-value {
  font-size: 1.85rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--text-primary);
}

.stat-trend {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.stat-trend.up { color: var(--success); }
.stat-trend.down { color: var(--danger); }
.stat-trend.neutral { color: var(--text-muted); }

/* Dashboard Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  padding: 1.5rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chart-title h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
}

.chart-title p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.chart-wrapper {
  position: relative;
  width: 100%;
  height: 280px;
}

/* POS Interface */
.pos-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.5rem;
  height: calc(100vh - 180px);
}

@media (max-width: 1200px) {
  .pos-layout {
    grid-template-columns: 1fr 320px;
  }
}

/* Product Catalog Grid side */
.catalog-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  padding: 1.5rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.catalog-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.search-wrapper {
  position: relative;
  flex-grow: 1;
  min-width: 200px;
}

.search-wrapper i {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
}

.search-input {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-glass);
  padding: 0.6rem 0.75rem 0.6rem 2.25rem;
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  outline: none;
  font-size: 0.9rem;
  transition: all var(--transition-speed) ease;
}

.search-input:focus {
  border-color: var(--border-glass-focused);
  box-shadow: var(--glow-shadow);
}

.barcode-scan-shortcut-btn {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: none;
  color: white;
  padding: 0.6rem 1.25rem;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.barcode-scan-shortcut-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--glow-shadow);
}

.category-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
}

.category-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass-hover);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  padding: 0.4rem 1.25rem;
  border-radius: 20px;
  cursor: pointer;
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-speed) ease;
  height: 34px;
}

.category-tab.active {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  overflow-y: auto;
  flex-grow: 1;
  padding-right: 0.5rem;
  scrollbar-width: thin;
}

.product-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-speed) ease;
}

.product-card:hover {
  border-color: var(--border-glass-focused);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.stock-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 12px;
}

.stock-badge.in-stock { background: rgba(var(--success-rgb), 0.15); color: var(--success); }
.stock-badge.low-stock { background: rgba(var(--warning-rgb), 0.15); color: var(--warning); }
.stock-badge.out-stock { background: rgba(var(--danger-rgb), 0.15); color: var(--danger); }

.product-card-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.75rem;
}

.product-card-category {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.product-card-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  height: 2.6em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-barcode {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: monospace;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

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

.product-card-price {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--accent-secondary);
}

.add-card-btn {
  background: var(--bg-glass-hover);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed) ease;
}

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

/* POS Cart Sidebar */
.cart-panel {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

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

.cart-title-block h3 {
  font-size: 1.1rem;
}

.clear-cart-btn {
  background: transparent;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

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

.cart-item {
  background: var(--bg-primary);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  animation: slideIn 0.2s ease forwards;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}

.cart-item-info {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.cart-item-name {
  font-size: 0.85rem;
  font-weight: 600;
  max-width: 70%;
}

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

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

.cart-item-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.qty-counter {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-sm);
  background: var(--bg-glass);
}

.qty-btn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  width: 24px;
  height: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.qty-val {
  width: 30px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
}

.cart-item-total {
  font-size: 0.95rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--accent-secondary);
}

.cart-summary {
  padding: 1.25rem;
  background: var(--bg-glass-hover);
  border-top: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.summary-row.total {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  border-top: 1px solid var(--border-glass);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
}

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

.checkout-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: none;
  color: white;
  padding: 0.9rem;
  border-radius: var(--border-radius-md);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: var(--glow-shadow);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.checkout-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--accent-primary-rgb), 0.4);
}

.checkout-btn:disabled {
  background: var(--text-muted);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

/* Catalog Table Design / Standard Lists */
.list-panel {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--border-radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
}

.btn-primary:hover {
  background: #6d28d9;
  box-shadow: var(--glow-shadow);
}

.btn-secondary {
  background: var(--bg-glass-hover);
  border-color: var(--border-glass);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-glass);
  border-color: var(--border-glass-focused);
}

.btn-success {
  background: var(--success);
  color: white;
}

.btn-success:hover {
  background: #059669;
}

/* Custom Table Styles */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  scrollbar-width: thin;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.custom-table th {
  padding: 0.9rem 1rem;
  background: rgba(var(--accent-primary-rgb), 0.05);
  border-bottom: 2px solid var(--border-glass);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
}

.custom-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 0.9rem;
  vertical-align: middle;
}

.custom-table tbody tr {
  transition: background-color var(--transition-speed) ease;
}

.custom-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

[data-theme="light"] .custom-table tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.01);
}

.custom-table td.barcode-cell {
  font-family: monospace;
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* Filter Bar styles */
.filter-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  background: var(--bg-primary);
  padding: 1rem;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-glass);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.filter-group label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.filter-input {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  padding: 0.5rem 0.75rem;
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  outline: none;
  font-size: 0.85rem;
  transition: border-color var(--transition-speed);
}

.filter-input:focus {
  border-color: var(--border-glass-focused);
}

/* Modal Windows */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity var(--transition-speed) ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-lg);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform var(--transition-speed) cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: column;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-speed);
}

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

.modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Forms */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
}

.form-input {
  background: var(--bg-primary);
  border: 1px solid var(--border-glass);
  padding: 0.65rem 0.75rem;
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  outline: none;
  font-size: 0.9rem;
  transition: all var(--transition-speed) ease;
}

.form-input:focus {
  border-color: var(--border-glass-focused);
  box-shadow: var(--glow-shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-glass);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Barcode Display Modal Styles */
.barcode-preview-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius-md);
  margin: 1rem 0;
}

.barcode-preview-box svg {
  max-width: 100%;
}

.barcode-text-display {
  color: #0f172a !important;
  font-family: monospace;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

/* Barcode Sticker Generator */
.barcode-sheet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 1rem;
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius-md);
  max-height: 400px;
  overflow-y: auto;
}

.barcode-sticker {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px dashed #cbd5e1;
  padding: 0.5rem;
  background: white;
  color: black;
}

.barcode-sticker svg {
  max-height: 45px;
  max-width: 100%;
}

.barcode-sticker span {
  font-size: 0.65rem;
  font-weight: 600;
  color: black;
  margin-top: 0.25rem;
  font-family: monospace;
}

.barcode-sticker .product-name {
  font-size: 0.55rem;
  text-align: center;
  font-family: var(--font-body);
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Camera Scanner Container */
.scanner-container {
  position: relative;
  width: 100%;
  height: 250px;
  background: #000;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 2px solid var(--border-glass);
}

#reader {
  width: 100% !important;
  height: 100% !important;
}

#reader video {
  object-fit: cover !important;
}

.scanner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 2px solid transparent;
  pointer-events: none;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
}

.scanner-laser {
  width: 90%;
  height: 2px;
  background: var(--danger);
  position: absolute;
  top: 5%;
  left: 5%;
  box-shadow: 0 0 10px var(--danger);
  animation: laserScan 2.5s infinite linear;
}

@keyframes laserScan {
  0% { top: 5%; }
  50% { top: 95%; }
  100% { top: 5%; }
}

.scanner-corner {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 3px solid var(--accent-secondary);
}

.scanner-corner.top-left { top: 15px; left: 15px; border-right: none; border-bottom: none; }
.scanner-corner.top-right { top: 15px; right: 15px; border-left: none; border-bottom: none; }
.scanner-corner.bottom-left { bottom: 15px; left: 15px; border-right: none; border-top: none; }
.scanner-corner.bottom-right { bottom: 15px; right: 15px; border-left: none; border-top: none; }

/* Notification Toasts */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 2000;
}

.toast {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--card-shadow);
  transform: translateY(20px);
  opacity: 0;
  animation: toastIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  min-width: 280px;
}

@keyframes toastIn {
  to { transform: translateY(0); opacity: 1; }
}

.toast.success { border-color: rgba(var(--success-rgb), 0.4); }
.toast.success i { color: var(--success); }
.toast.warning { border-color: rgba(var(--warning-rgb), 0.4); }
.toast.warning i { color: var(--warning); }
.toast.error { border-color: rgba(var(--danger-rgb), 0.4); }
.toast.error i { color: var(--danger); }

/* Virtual Receipt Preview Styling */
.receipt-wrapper {
  background: white;
  color: black;
  font-family: 'Courier New', Courier, monospace;
  padding: 1.5rem;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  max-width: 320px;
  margin: 0 auto;
  border: 1px solid #e2e8f0;
}

.receipt-header {
  text-align: center;
  border-bottom: 1px dashed black;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.receipt-header h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

.receipt-header p {
  font-size: 0.75rem;
  line-height: 1.4;
  color: #334155;
}

.receipt-details-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
  color: #475569;
}

.receipt-divider {
  border-bottom: 1px dashed black;
  margin: 0.75rem 0;
}

.receipt-item-row {
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  margin-bottom: 0.5rem;
  color: black;
}

.receipt-item-main {
  display: flex;
  justify-content: space-between;
}

.receipt-item-sub {
  font-size: 0.7rem;
  color: #475569;
}

.receipt-totals {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.receipt-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
}

.receipt-total-row.grand-total {
  font-size: 1.05rem;
  font-weight: 700;
  border-top: 1px dashed black;
  padding-top: 0.5rem;
  margin-top: 0.25rem;
}

.receipt-footer {
  text-align: center;
  margin-top: 1.5rem;
  border-top: 1px dashed black;
  padding-top: 1rem;
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.receipt-barcode {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}

.receipt-barcode svg {
  max-height: 40px;
  max-width: 100%;
}

/* PRINT MEDIA CSS STYLING */
@media print {
  body * {
    visibility: hidden;
  }
  
  .modal-overlay.active {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: auto;
    background: white;
    display: block !important;
  }
  
  .modal-content {
    background: white !important;
    color: black !important;
    border: none !important;
    box-shadow: none !important;
    width: 100% !important;
    max-width: none !important;
    max-height: none !important;
    overflow: visible !important;
    transform: none !important;
  }
  
  .modal-body {
    padding: 0 !important;
    background: white !important;
    overflow: visible !important;
  }
  
  /* Print Receipt only */
  #receiptModal, #receiptModal * {
    visibility: visible;
  }
  
  #receiptModal {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    margin: 0;
    padding: 0;
    background: white;
    box-shadow: none;
    border: none;
  }
  
  .modal-header, .modal-footer {
    display: none !important;
  }
  
  .receipt-wrapper {
    visibility: visible;
    border: none;
    box-shadow: none;
    padding: 0;
    margin: 0 auto;
    width: 80mm; /* Standard receipt size */
  }
  
  .receipt-wrapper * {
    visibility: visible;
  }
  
  /* Print Barcode sticker sheets only */
  #barcodeLabelsModal, #barcodeLabelsModal * {
    visibility: visible;
  }
  
  #barcodeLabelsModal {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    margin: 0;
    padding: 0;
    background: white;
    box-shadow: none;
    border: none;
  }
  
  #barcodeLabelsModal .modal-header, #barcodeLabelsModal .modal-footer {
    display: none !important;
  }
  
  .barcode-sheet-grid {
    visibility: visible;
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 15px !important;
    overflow: visible !important;
    max-height: none !important;
    width: 100%;
    background: white;
  }
  
  .barcode-sticker {
    visibility: visible;
    border: 1px solid #000 !important;
    page-break-inside: avoid;
  }
  
  .barcode-sticker * {
    visibility: visible;
  }
}