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

:root {
  /* Default: Dark Theme variables (adapted to HSL for smooth scaling) */
  --bg-color: #0d0e12;
  --card-bg: #161822;
  --text-color: #e3e6ee;
  --text-muted: #868c9f;
  --border-color: #242936;
  
  --primary-color: #794ffc;
  --primary-hover: #6138db;
  --primary-gradient: linear-gradient(135deg, #794ffc, #a885ff);
  
  --secondary-color: #00bcd4;
  --secondary-gradient: linear-gradient(135deg, #00bcd4, #33d9eb);
  
  --success-color: #00e676;
  --success-hover: #00c853;
  --success-gradient: linear-gradient(135deg, #00b0ff, #00e676);
  
  --danger-color: #ff5252;
  --danger-outline: rgba(255, 82, 82, 0.2);
  --warning-color: #ffd740;
  
  --info-gradient: linear-gradient(135deg, #2979ff, #00b0ff);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.4);
  
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --transition-speed: 0.3s;
  --border-radius: 12px;
}

/* Light Theme Variables override */
body.light-theme {
  --bg-color: #f3f4f9;
  --card-bg: #ffffff;
  --text-color: #1e2229;
  --text-muted: #6b7280;
  --border-color: #e5e7eb;
  
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --primary-gradient: linear-gradient(135deg, #6366f1, #818cf8);
  
  --secondary-color: #0ea5e9;
  --secondary-gradient: linear-gradient(135deg, #0ea5e9, #38bdf8);
  
  --success-color: #10b981;
  --success-hover: #059669;
  --success-gradient: linear-gradient(135deg, #0ea5e9, #10b981);
  
  --danger-color: #ef4444;
  --danger-outline: rgba(239, 68, 68, 0.1);
  --warning-color: #f59e0b;
  
  --info-gradient: linear-gradient(135deg, #3b82f6, #60a5fa);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.5;
  transition: background-color var(--transition-speed), color var(--transition-speed);
  overflow-x: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==========================================================================
   LAYOUT: APP HEADER
   ========================================================================== */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

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

.header-logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 50%;
  border: 2px solid var(--primary-color);
}

.header-logo h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-tabs {
  display: flex;
  background-color: var(--bg-color);
  padding: 0.35rem;
  border-radius: 30px;
  border: 1px solid var(--border-color);
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

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

.tab-btn.active {
  background-color: var(--card-bg);
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 0;
  transition: transform 0.2s ease;
}

.tab-btn:hover .icon {
  transform: translateY(-1px);
}

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

.theme-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed);
}

.theme-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background-color: rgba(121, 79, 252, 0.05);
}

/* Hide toggle icons based on active class */
body.light-theme .sun-icon { display: none; }
body:not(.light-theme) .moon-icon { display: none; }

/* ==========================================================================
   APP CONTENT PANELS & CARDS
   ========================================================================== */
.app-content {
  padding: 2rem;
  max-width: 1600px;
  margin: 0 auto;
  min-height: calc(100vh - 80px);
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

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

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

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed), background-color var(--transition-speed), border-color var(--transition-speed);
  position: relative;
  overflow: hidden;
}

/* ==========================================================================
   MODULE 1: PUNTO DE VENTA (POS)
   ========================================================================== */
.pos-layout {
  display: grid;
  grid-template-columns: 1fr 450px;
  gap: 1.5rem;
  align-items: start;
}

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

.pos-products {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Search Card styling */
.search-card {
  padding: 1rem;
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  background-color: var(--bg-color);
  border: 1.5px solid var(--border-color);
  border-radius: 30px;
  padding: 0.5rem 1.25rem;
  position: relative;
  transition: border-color var(--transition-speed);
}

.search-input-wrapper:focus-within {
  border-color: var(--primary-color);
}

.search-icon {
  color: var(--text-muted);
  margin-right: 0.75rem;
}

.search-input-wrapper input {
  background: transparent;
  border: none;
  color: var(--text-color);
  font-size: 1rem;
  width: 100%;
  outline: none;
  font-family: var(--font-family);
}

.clear-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.clear-btn:hover {
  color: var(--text-color);
}

/* Dropdown Search results */
.search-results-dropdown {
  position: absolute;
  top: calc(100% + 5px);
  left: 1.5rem;
  right: 1.5rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  z-index: 50;
  max-height: 300px;
  overflow-y: auto;
}

.search-results-dropdown.hidden {
  display: none;
}

.search-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background-color 0.2s;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover, .search-result-item.highlighted {
  background-color: rgba(121, 79, 252, 0.08);
}

.result-name {
  font-weight: 500;
}

.result-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.result-price {
  font-weight: 700;
  color: var(--primary-color);
}

/* POS Quick Navigation & Grid */
.pos-helper-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.filter-categories {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.category-btn {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.35rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

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

.category-btn.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.quick-products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  max-height: 400px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.quick-prod-card {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 120px;
}

.quick-prod-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.quick-prod-card:active {
  transform: translateY(0);
}

.quick-prod-name {
  font-size: 0.9rem;
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.quick-prod-stock {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.quick-prod-stock.low-stock {
  color: var(--danger-color);
  font-weight: 600;
}

.quick-prod-price {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--secondary-color);
}

/* POS CART PANEL */
.cart-card {
  display: flex;
  flex-direction: column;
  min-height: 600px;
  max-height: calc(100vh - 120px);
}

.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.cart-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
}

.cart-table-wrapper {
  flex-grow: 1;
  overflow-y: auto;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.cart-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.cart-table th, .cart-table td {
  padding: 0.75rem 0.5rem;
  text-align: left;
}

.cart-table th {
  background-color: var(--bg-color);
  color: var(--text-muted);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border-color);
}

.cart-table tbody tr {
  border-bottom: 1px solid var(--border-color);
}

.cart-table tbody tr:last-child {
  border-bottom: none;
}

.cart-item-name {
  font-weight: 600;
  display: block;
}

.cart-item-code {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.qty-control {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

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

.qty-btn:hover {
  background-color: var(--border-color);
}

.qty-val {
  font-weight: 600;
  min-width: 20px;
  text-align: center;
}

.cart-checkout-summary {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background-color: var(--bg-color);
  padding: 1.25rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
}

.total-row {
  font-size: 1.35rem;
  font-weight: 800;
  margin-top: 0.25rem;
}

.divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 0.25rem 0;
}

/* Payment & Cash Calc */
.payment-method-selection label {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.35rem;
}

.payment-options {
  display: flex;
  gap: 0.5rem;
}

.payment-option {
  flex: 1;
  position: relative;
  cursor: pointer;
}

.payment-option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.payment-option span {
  display: block;
  text-align: center;
  padding: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-muted);
  transition: all 0.2s;
}

.payment-option input:checked + span {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
}

.cash-calculator {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cash-calculator .input-group {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cash-calculator label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.cash-calculator input {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.5rem;
  border-radius: 6px;
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 600;
  outline: none;
  width: 100%;
}

.cash-calculator input:focus {
  border-color: var(--primary-color);
}

.change-output {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  min-width: 120px;
}

.change-output span:first-child {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.change-output span:last-child {
  font-size: 1.3rem;
  font-weight: 700;
}

/* ==========================================================================
   BUTTONS STYLING
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  font-family: var(--font-family);
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
  text-decoration: none;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-lg {
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
}

.btn-primary {
  background-image: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(121, 79, 252, 0.25);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(121, 79, 252, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
}

.btn-outline:hover {
  border-color: var(--text-muted);
  background-color: rgba(255, 255, 255, 0.02);
}

.btn-outline.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
}

.btn-danger-outline {
  background: transparent;
  border: 1px solid var(--danger-color);
  color: var(--danger-color);
}

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

.btn-danger {
  background-color: var(--danger-color);
  color: #ffffff;
}

.btn-danger:hover {
  background-color: #ff3333;
}

.icon-white {
  color: #ffffff;
}

/* ==========================================================================
   MODULE 2: INVENTARIO (INVENTORY)
   ========================================================================== */
.inventory-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.search-filters {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-grow: 1;
}

.search-filters .search-input-wrapper {
  max-width: 400px;
  flex-grow: 1;
}

/* Custom checkbox wrapper */
.checkbox-container {
  display: flex;
  align-items: center;
  position: relative;
  padding-left: 2rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  height: 20px;
  width: 20px;
  background-color: var(--bg-color);
  border: 1.5px solid var(--border-color);
  border-radius: 6px;
  transition: all 0.2s;
}

.checkbox-container:hover input ~ .checkmark {
  border-color: var(--text-muted);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Tables styling */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.inventory-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.inventory-table th, .inventory-table td {
  padding: 1rem;
}

.inventory-table th {
  background-color: var(--bg-color);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.inventory-table tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.2s;
}

.inventory-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.01);
}

.inventory-table tbody tr:last-child {
  border-bottom: none;
}

.badge-low-stock {
  background-color: rgba(255, 82, 82, 0.1);
  color: var(--danger-color);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.8rem;
}

.badge-normal-stock {
  background-color: rgba(0, 230, 118, 0.1);
  color: var(--success-color);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.8rem;
}

.action-buttons {
  display: flex;
  gap: 0.5rem;
}

.action-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.35rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.action-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background-color: rgba(121, 79, 252, 0.05);
}

.action-btn.delete-btn:hover {
  border-color: var(--danger-color);
  color: var(--danger-color);
  background-color: var(--danger-outline);
}

/* ==========================================================================
   MODULE 3: REPORTES (REPORTS)
   ========================================================================== */
.reports-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.reports-filter-card h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.filter-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.custom-dates {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: var(--border-radius);
}

.custom-dates input {
  background: transparent;
  border: none;
  color: var(--text-color);
  outline: none;
  font-family: var(--font-family);
  font-size: 0.85rem;
}

.custom-dates span {
  color: var(--text-muted);
}

/* Metrics Dashboard grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.stat-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #ffffff;
  border: none;
}

.bg-primary-gradient {
  background-image: var(--primary-gradient);
}
.bg-secondary-gradient {
  background-image: var(--secondary-gradient);
}
.bg-success-gradient {
  background-image: var(--success-gradient);
}
.bg-info-gradient {
  background-image: var(--info-gradient);
}

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

.stat-label {
  font-size: 0.85rem;
  opacity: 0.85;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  margin-top: 0.25rem;
}

.stat-icon {
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-large {
  width: 26px;
  height: 26px;
}

/* Reports Split details grid */
.reports-details-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 992px) {
  .reports-details-grid {
    grid-template-columns: 1fr;
  }
}

.list-sales-card h3, .top-products-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.table-container-small {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.report-sales-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.report-sales-table th, .report-sales-table td {
  padding: 0.75rem 1rem;
}

.report-sales-table th {
  background-color: var(--bg-color);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1;
}

.report-sales-table tbody tr {
  border-bottom: 1px solid var(--border-color);
}

.report-sales-table tbody tr:last-child {
  border-bottom: none;
}

/* Top Products list bar */
.top-products-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.top-prod-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.top-prod-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}

.top-prod-name {
  font-weight: 600;
}

.top-prod-count {
  font-weight: 700;
  color: var(--secondary-color);
}

.bar-wrapper {
  background-color: var(--bg-color);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
}

.bar-fill {
  background-image: var(--primary-gradient);
  height: 100%;
  border-radius: 4px;
  width: 0%;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   MODAL DIALOG
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.modal-overlay.hidden {
  display: none;
  opacity: 0;
}

.modal-content {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 550px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalSlideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes modalSlideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

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

.modal-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
}

.close-modal-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.75rem;
  cursor: pointer;
  line-height: 1;
}

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

.modal-content form {
  padding: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.form-group input {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.65rem 1rem;
  border-radius: 6px;
  outline: none;
  font-family: var(--font-family);
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

.form-group input:focus {
  border-color: var(--primary-color);
}

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

.barcode-input-container {
  display: flex;
  gap: 0.5rem;
}

.barcode-input-container input {
  flex-grow: 1;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* ==========================================================================
   TOAST SYSTEM (NOTIFICATIONS)
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 1000;
}

.toast {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 250px;
  animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  border-left: 4px solid var(--primary-color);
}

.toast.success {
  border-left-color: var(--success-color);
}

.toast.danger {
  border-left-color: var(--danger-color);
}

.toast.warning {
  border-left-color: var(--warning-color);
}

@keyframes toastSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast.fade-out {
  animation: toastFadeOut 0.4s ease forwards;
}

@keyframes toastFadeOut {
  to { transform: translateY(-10px); opacity: 0; }
}

/* Helper Utilities */
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.bold { font-weight: 700; }
.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.hidden { display: none !important; }

/* ==========================================================================
   TICKET PRINT AREA (HIDDEN BY DEFAULT ON SCREEN)
   ========================================================================== */
#ticket-print-area {
  display: none; /* Hidden on screen */
}

/* ==========================================================================
   PRINT MEDIA CUSTOM RULES (@media print)
   ========================================================================== */
@media print {
  /* Hide all main screen application elements */
  body, .app-header, .app-content, .modal-overlay, .toast-container {
    display: none !important;
  }
  
  /* Reset document for ticket printing */
  html, body {
    background-color: #ffffff !important;
    color: #000000 !important;
    font-size: 11pt !important;
    font-family: 'Courier New', Courier, monospace !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 80mm !important; /* Standard receipt width */
  }

  #ticket-print-area {
    display: block !important;
    width: 80mm !important;
    padding: 3mm !important;
    box-sizing: border-box;
  }

  .ticket-header {
    text-align: center;
    margin-bottom: 4mm;
  }

  .ticket-logo {
    display: block;
    margin: 0 auto 2mm auto;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    filter: grayscale(1);
    border: 1px solid #000000;
  }

  .ticket-header h2 {
    font-size: 14pt;
    margin-bottom: 1mm;
    font-weight: bold;
    letter-spacing: 0.5px;
  }

  .ticket-header p {
    font-size: 8pt;
    margin-bottom: 0.5mm;
  }

  .ticket-sub {
    font-size: 7pt;
    text-transform: uppercase;
  }

  .ticket-info {
    font-size: 8.5pt;
    margin-bottom: 2mm;
    line-height: 1.3;
  }

  .ticket-info p {
    margin-bottom: 0.5mm;
  }

  .ticket-divider {
    font-size: 9pt;
    text-align: center;
    margin: 2mm 0;
    letter-spacing: -1px;
  }

  .ticket-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 8.5pt;
    margin-bottom: 3mm;
  }

  .ticket-table th, .ticket-table td {
    padding: 0.8mm 0;
    text-align: left;
    vertical-align: top;
  }

  .ticket-table th {
    font-weight: bold;
    border-bottom: 1px dashed #000000;
    font-size: 8pt;
  }

  .col-qty {
    width: 10%;
    text-align: center !important;
  }
  .col-desc {
    width: 65%;
  }
  .col-total {
    width: 25%;
    text-align: right !important;
  }

  .ticket-table tbody tr td {
    border-bottom: none;
  }

  .ticket-totals {
    font-size: 9.5pt;
    margin-top: 2mm;
    display: flex;
    flex-direction: column;
    gap: 1mm;
  }

  .ticket-total-row {
    display: flex;
    justify-content: space-between;
  }

  .ticket-total-row .bold {
    font-size: 11pt;
    font-weight: bold;
  }

  .ticket-footer {
    text-align: center;
    font-size: 8pt;
    margin-top: 6mm;
    line-height: 1.4;
  }
}

/* ==========================================================================
   LICENSE & TRIAL SYSTEM STYLING
   ========================================================================== */
.trial-banner {
  background: linear-gradient(90deg, #d97706, #b45309);
  color: #ffffff;
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 101;
  animation: slideDown 0.3s ease;
}

.trial-banner-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

.license-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(13, 14, 18, 0.85);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: fadeIn 0.4s ease;
}

.license-overlay-card {
  width: 100%;
  max-width: 480px;
  text-align: center;
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  animation: modalSlideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.license-logo {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.5rem auto;
  border-radius: 50%;
  border: 2px solid var(--primary-color);
  object-fit: contain;
}

.license-overlay-card h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

.license-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.install-code-box {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  padding: 0.85rem 1.25rem;
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  text-align: left;
}

.install-code-box .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.install-code-box .code-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.install-code-box strong {
  font-size: 1.25rem;
  letter-spacing: 1px;
  font-family: monospace;
  color: var(--text-color);
}

.license-contact {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}