/* QR Code Generator Pro - Additional Styles */

/* CSS Variables */
:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #10b981;
  --accent-color: #f59e0b;
  --danger-color: #ef4444;
  --dark-bg: #0f172a;
  --dark-surface: #1e293b;
  --dark-surface-2: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #475569;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Animation for QR Code generation */
@keyframes qrGenerate {
  0% { transform: scale(0.8); opacity: 0; }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}

.qr-code-img {
  animation: qrGenerate 0.5s ease-out;
}

/* Enhanced form validation */
.form-input:invalid {
  border-color: var(--danger-color);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input:valid {
  border-color: var(--secondary-color);
}

/* Improved button states */
.generate-btn:disabled {
  background: var(--dark-surface-2);
  color: var(--text-muted);
  cursor: not-allowed;
}

.generate-btn:disabled:hover {
  transform: none;
  box-shadow: none;
}

/* Enhanced type buttons */
.type-btn {
  position: relative;
  overflow: hidden;
}

.type-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.type-btn:hover::before {
  left: 100%;
}

/* Improved scanner section */
.scanner-video {
  border: 2px solid var(--primary-color);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

/* Enhanced notifications */
.notification {
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Loading states */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
}

/* Enhanced mobile experience */
@media (max-width: 480px) {
  .header h1 {
    font-size: 1.8rem;
  }
  
  .type-buttons {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .qr-actions {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .action-btn {
    width: 100%;
    justify-content: center;
  }
}

/* Print styles */
@media print {
  .navbar,
  .scanner-section,
  .qr-actions,
  .footer {
    display: none !important;
  }
  
  .main-content {
    grid-template-columns: 1fr;
  }
  
  .qr-display {
    break-inside: avoid;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #ffffff;
    --text-muted: #ffffff;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for accessibility */
.type-btn:focus,
.form-input:focus,
.generate-btn:focus,
.action-btn:focus,
.scanner-btn:focus,
.theme-toggle:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Enhanced hover effects */
.qr-code-container:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

/* Success/Error states */
.success-state {
  border-color: var(--secondary-color) !important;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
}

.error-state {
  border-color: var(--danger-color) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--dark-surface-2);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Enhanced form groups */
.form-group {
  position: relative;
}

.form-group .form-label {
  transition: color 0.3s ease;
}

.form-group:focus-within .form-label {
  color: var(--primary-color);
}

/* Improved color picker */
.color-picker {
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

.color-picker:hover {
  border-color: var(--primary-color);
  transform: scale(1.05);
}

/* Enhanced size slider */
.size-slider {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--dark-surface-2);
  border-radius: 3px;
  outline: none;
}

.size-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
}

.size-slider::-webkit-slider-thumb:hover {
  background: var(--primary-dark);
  transform: scale(1.2);
}

.size-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
}

.size-slider::-moz-range-thumb:hover {
  background: var(--primary-dark);
  transform: scale(1.2);
}

/* History Section */
.history-section {
  background: var(--dark-surface);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  margin-top: 2rem;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.clear-history-btn {
  background: var(--danger-color);
  border: none;
  color: white;
  padding: 0.5rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

.clear-history-btn:hover {
  background: #dc2626;
  transform: scale(1.05);
}

.history-controls {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.history-list {
  max-height: 400px;
  overflow-y: auto;
}

.history-item {
  background: var(--dark-surface-2);
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  cursor: pointer;
}

.history-item:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.history-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.history-item-type {
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.8rem;
  font-weight: 500;
}

.history-item-date {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.history-item-preview {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.history-item-qr {
  width: 60px;
  height: 60px;
  border-radius: 0.5rem;
  background: white;
  padding: 0.5rem;
}

.history-item-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.history-item-content {
  flex: 1;
  min-width: 0;
}

.history-item-title {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-item-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-item-actions {
  display: flex;
  gap: 0.5rem;
}

.history-action-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem;
  border-radius: 0.25rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.8rem;
}

.history-action-btn:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

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

.history-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.history-empty i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* Logo Section */
.logo-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.section-subtitle {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.remove-logo-btn {
  background: var(--danger-color);
  border: none;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

.remove-logo-btn:hover {
  background: #dc2626;
}

.logo-preview {
  margin-top: 1rem;
  text-align: center;
}

.logo-preview img {
  max-width: 100px;
  max-height: 100px;
  border-radius: 0.5rem;
  border: 2px solid var(--border-color);
}

/* Effects Section */
.effects-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

/* Enhanced QR Code Display with Logo */
.qr-code-with-logo {
  position: relative;
  display: inline-block;
}

.qr-code-with-logo .qr-logo-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  border-radius: 0.5rem;
  padding: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.qr-code-with-logo .qr-logo-overlay img {
  display: block;
  border-radius: 0.25rem;
}

/* Batch Generation Section */
.batch-section {
  background: var(--dark-surface);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  margin-top: 2rem;
}

.batch-controls {
  margin-bottom: 2rem;
}

.form-help {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: block;
}

.batch-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--secondary-color), #059669);
  color: white;
  border: none;
  border-radius: 0.75rem;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 1rem;
}

.batch-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.batch-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.batch-progress {
  margin: 2rem 0;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--dark-surface-2);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  width: 0%;
  transition: width 0.3s ease;
}

.progress-text {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.batch-results {
  margin-top: 2rem;
}

.batch-results h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.batch-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.batch-item {
  background: var(--dark-surface-2);
  border-radius: 0.75rem;
  padding: 1rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.batch-item:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.batch-item-qr {
  width: 100px;
  height: 100px;
  background: white;
  border-radius: 0.5rem;
  padding: 0.5rem;
  margin: 0 auto 0.5rem;
}

.batch-item-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.batch-item-title {
  font-size: 0.8rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.batch-item-type {
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.7rem;
  font-weight: 500;
}

.download-all-btn {
  width: 100%;
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 0.75rem;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.download-all-btn:hover {
  background: #d97706;
  transform: translateY(-2px);
}

/* PWA Install Button */
.install-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 1rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: all 0.3s ease;
  display: none;
}

.install-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.install-btn.show {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Offline indicator */
.offline-indicator {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--danger-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  z-index: 1000;
  display: none;
}

.offline-indicator.show {
  display: block;
}

/* Enhanced animations */
@keyframes slideInUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.batch-item {
  animation: slideInUp 0.3s ease-out;
}

.batch-item:nth-child(odd) {
  animation-delay: 0.1s;
}

.batch-item:nth-child(even) {
  animation-delay: 0.2s;
}

/* Analytics Section - Modern Design */
.analytics-section {
  background: linear-gradient(135deg, var(--dark-surface) 0%, var(--dark-surface-2) 100%) !important;
  border-radius: 1.5rem !important;
  padding: 2.5rem !important;
  box-shadow: 
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 
    0 10px 10px -5px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
  border: 3px solid red !important;
  margin-top: 2rem !important;
  position: relative !important;
  overflow: hidden !important;
  display: block !important;
  visibility: visible !important;
}

.analytics-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
  border-radius: 1.5rem 1.5rem 0 0;
}

.refresh-stats-btn {
  background: linear-gradient(135deg, var(--secondary-color), #059669);
  border: none;
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
  position: relative;
  overflow: hidden;
}

.refresh-stats-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.refresh-stats-btn:hover::before {
  left: 100%;
}

.refresh-stats-btn:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  background: rgba(255, 255, 255, 0.03) !important;
  backdrop-filter: blur(10px) !important;
  border-radius: 1rem !important;
  padding: 2rem !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
  display: flex !important;
  align-items: center !important;
  gap: 1.5rem !important;
  position: relative !important;
  overflow: hidden !important;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(16, 185, 129, 0.1));
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.stat-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-8px) scale(1.02);
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(99, 102, 241, 0.2);
}

.stat-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.8rem;
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
  position: relative;
  z-index: 1;
}

.stat-icon::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 1rem;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-card:hover .stat-icon::after {
  opacity: 1;
}

.stat-content {
  flex: 1;
  position: relative;
  z-index: 1;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.chart-container {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border-radius: 1.5rem;
  padding: 2rem;
  margin-bottom: 2rem;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.chart-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.chart-container canvas {
  max-width: 100%;
  height: auto;
  border-radius: 1rem;
  position: relative;
  z-index: 1;
}

/* Chart responsive */
@media (max-width: 768px) {
  .chart-container {
    padding: 1.5rem;
  }
  
  .chart-container canvas {
    width: 100%;
    height: 180px;
  }
}

/* Empty chart state */
.empty-chart {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.empty-chart i {
  font-size: 4rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  opacity: 0.7;
  filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.3));
}

.empty-chart p {
  margin: 0.5rem 0;
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 500;
}

.empty-chart p:last-child {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.export-stats {
  text-align: center;
  margin-top: 2rem;
}

.export-btn {
  background: linear-gradient(135deg, var(--accent-color), #d97706);
  color: white;
  border: none;
  border-radius: 1rem;
  padding: 1.2rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.export-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.export-btn:hover::before {
  left: 100%;
}

.export-btn:hover {
  background: linear-gradient(135deg, #d97706, #b45309);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 15px 35px rgba(245, 158, 11, 0.4);
}

/* Template Section - Modern Design */
.template-section {
  background: linear-gradient(135deg, var(--dark-surface) 0%, var(--dark-surface-2) 100%) !important;
  border-radius: 1.5rem !important;
  padding: 2.5rem !important;
  box-shadow: 
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 
    0 10px 10px -5px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
  border: 3px solid blue !important;
  margin-top: 2rem !important;
  position: relative !important;
  overflow: hidden !important;
  display: block !important;
  visibility: visible !important;
}

.template-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-color), var(--primary-color), var(--secondary-color));
  border-radius: 1.5rem 1.5rem 0 0;
}

.add-template-btn {
  background: linear-gradient(135deg, var(--secondary-color), #059669);
  border: none;
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
  position: relative;
  overflow: hidden;
}

.add-template-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.add-template-btn:hover::before {
  left: 100%;
}

.add-template-btn:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.template-item {
  background: rgba(255, 255, 255, 0.03) !important;
  backdrop-filter: blur(10px) !important;
  border-radius: 1.5rem !important;
  padding: 2rem !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
  text-align: center !important;
  position: relative !important;
  overflow: hidden !important;
  cursor: pointer !important;
}

.template-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(99, 102, 241, 0.1));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.template-item:hover::before {
  opacity: 1;
}

.template-item:hover {
  border-color: var(--accent-color);
  transform: translateY(-12px) scale(1.03);
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(245, 158, 11, 0.2);
}

.template-preview {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--accent-color), #d97706);
  border-radius: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  font-size: 2.5rem;
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.template-preview::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  border-radius: 1.5rem;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.template-item:hover .template-preview::after {
  opacity: 1;
}

.template-item:hover .template-preview {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 15px 35px rgba(245, 158, 11, 0.4);
}

.template-name {
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.template-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.template-use-btn,
.template-edit-btn {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.9rem;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  min-width: 45px;
}

.template-use-btn::before,
.template-edit-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.template-use-btn:hover::before,
.template-edit-btn:hover::before {
  left: 100%;
}

.template-use-btn:hover {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border-color: var(--primary-color);
  color: white;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.template-edit-btn:hover {
  background: linear-gradient(135deg, var(--accent-color), #d97706);
  border-color: var(--accent-color);
  color: white;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
}

/* Template animations */
.template-item {
  animation: slideInUp 0.6s ease-out;
}

.template-item:nth-child(1) { animation-delay: 0.1s; }
.template-item:nth-child(2) { animation-delay: 0.2s; }
.template-item:nth-child(3) { animation-delay: 0.3s; }
.template-item:nth-child(4) { animation-delay: 0.4s; }
.template-item:nth-child(5) { animation-delay: 0.5s; }
.template-item:nth-child(6) { animation-delay: 0.6s; }

/* Settings Import/Export */
.settings-section {
  background: var(--dark-surface);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  margin-top: 2rem;
}

.settings-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.settings-btn {
  background: var(--dark-surface-2);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 500;
}

.settings-btn:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.settings-btn.export:hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
}

.settings-btn.import:hover {
  background: var(--accent-color);
  border-color: var(--accent-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .history-controls {
    grid-template-columns: 1fr;
  }
  
  .history-item-preview {
    flex-direction: column;
    text-align: center;
  }
  
  .history-item-qr {
    width: 80px;
    height: 80px;
  }

  .batch-list {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .batch-item-qr {
    width: 80px;
    height: 80px;
  }

  .install-btn {
    bottom: 10px;
    right: 10px;
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
  }

  .analytics-section,
  .template-section {
    padding: 1.5rem;
    margin-top: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
  }

  .stat-card {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
    gap: 1rem;
  }

  .stat-icon {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .stat-label {
    font-size: 0.9rem;
  }

  .template-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
  }

  .template-item {
    padding: 1.5rem;
  }

  .template-preview {
    width: 80px;
    height: 80px;
    font-size: 2rem;
  }

  .template-name {
    font-size: 1.1rem;
  }

  .template-actions {
    gap: 0.75rem;
  }

  .template-use-btn,
  .template-edit-btn {
    padding: 0.6rem 0.8rem;
    font-size: 0.8rem;
  }

  .settings-controls {
    grid-template-columns: 1fr;
  }
}

/* ===== Three-Column App Layout (Desktop/Tablet/Mobile) ===== */
/* Grid container for all app sections */
.container .main-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr; /* Column 1 is a bit wider for forms */
  gap: 2rem;
  align-items: start;
}

/* Column mappings */
.form-column { grid-column: 1; display: flex; flex-direction: column; gap: 1.25rem; }
.settings-section { grid-column: 1; }
.history-section { grid-column: 1; }

.qr-display { grid-column: 2; }
.scanner-section { grid-column: 2; }
.batch-section { grid-column: 2; }

.analytics-section { grid-column: 3; }
.template-section { grid-column: 3; }

/* Ensure sections take full column width */
.form-column,
.settings-section,
.history-section,
.qr-display,
.scanner-section,
.batch-section,
.analytics-section,
.template-section { width: 100%; }

/* Spacing normalization inside columns */
.form-column > * + * { margin-top: 0 !important; }

/* Tablet: 2 columns */
@media (max-width: 1200px) {
  .container .main-content { grid-template-columns: 1fr 1fr; }
  /* Left stack keeps the same; move right column into column 2 */
  .analytics-section { grid-column: 2; }
  .template-section { grid-column: 2; }
}

/* Large phones / small tablets: 1 column stacked */
@media (max-width: 768px) {
  .container .main-content { grid-template-columns: 1fr; gap: 1.25rem; }
  .form-column,
  .settings-section,
  .history-section,
  .qr-display,
  .scanner-section,
  .batch-section,
  .analytics-section,
  .template-section { grid-column: 1 !important; }
}

/* Very small phones: tighten paddings */
@media (max-width: 380px) {
  .form-section,
  .settings-section,
  .history-section,
  .qr-display,
  .scanner-section,
  .batch-section,
  .analytics-section,
  .template-section { padding: 1rem; }
  .type-buttons { grid-template-columns: repeat(3, 1fr); }
}

/* ===== ADVANCED FEATURES CSS ===== */

/* Analytics Tabs */
.analytics-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem 0.5rem 0 0;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  position: relative;
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

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

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-color);
}

/* Real-time Analytics */
.realtime-panel {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.realtime-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.realtime-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.realtime-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.realtime-value {
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 700;
}

.realtime-chart {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0.75rem;
  padding: 1rem;
  text-align: center;
}

/* Geographic Analytics */
.geographic-panel {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.map-container {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0.75rem;
  padding: 2rem;
  text-align: center;
  margin-bottom: 1.5rem;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-placeholder {
  color: var(--text-muted);
}

.map-placeholder i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.location-stats h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.location-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.location-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.location-name {
  color: var(--text-primary);
  font-weight: 500;
}

.location-count {
  color: var(--primary-color);
  font-weight: 600;
}

/* Device Analytics */
.device-panel {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.device-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.device-category h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.device-chart {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.device-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.device-name {
  min-width: 80px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.device-bar {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.device-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 4px;
  transition: width 0.3s ease;
}

.device-percent {
  min-width: 40px;
  color: var(--text-primary);
  font-weight: 600;
  text-align: right;
}

/* Dynamic QR Code Section */
.dynamic-qr-section {
  background: linear-gradient(135deg, var(--dark-surface) 0%, var(--dark-surface-2) 100%);
  border-radius: 1.5rem;
  padding: 2.5rem;
  box-shadow: 
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 
    0 10px 10px -5px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  border: 3px solid green;
  margin-top: 2rem;
  position: relative;
  overflow: hidden;
}

.dynamic-qr-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #10b981, #059669, #047857);
  border-radius: 1.5rem 1.5rem 0 0;
}

.create-dynamic-btn {
  background: linear-gradient(135deg, #10b981, #059669);
  border: none;
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
  position: relative;
  overflow: hidden;
}

.create-dynamic-btn:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.dynamic-qr-controls {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.dynamic-qr-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.dynamic-qr-item {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 1rem;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.dynamic-qr-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.dynamic-qr-info h4 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.dynamic-qr-info p {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.dynamic-qr-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.meta-item {
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 0.25rem 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0.25rem;
}

.dynamic-qr-actions {
  display: flex;
  gap: 0.5rem;
}

.dynamic-qr-actions .action-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-secondary);
  padding: 0.5rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.8rem;
}

.dynamic-qr-actions .action-btn:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
  transform: scale(1.1);
}

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

/* ===== COMPREHENSIVE RESPONSIVE DESIGN ===== */

/* Extra Large Screens (4K, Ultra-wide) */
@media (min-width: 1920px) {
  .container { max-width: 1800px; }
  .main-content { gap: 3rem; }
  .form-section,
  .settings-section,
  .history-section,
  .qr-display,
  .scanner-section,
  .batch-section,
  .analytics-section,
  .template-section { padding: 3rem; }
  
  .stat-card { padding: 2.5rem; }
  .template-item { padding: 2.5rem; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .template-grid { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
}

/* Large Desktop (1440px - 1919px) */
@media (min-width: 1440px) and (max-width: 1919px) {
  .container { max-width: 1400px; }
  .main-content { gap: 2.5rem; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .template-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
}

/* Desktop (1201px - 1439px) */
@media (min-width: 1201px) and (max-width: 1439px) {
  .container { max-width: 1200px; }
  .main-content { gap: 2rem; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .template-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
}

/* Large Tablet (992px - 1200px) */
@media (min-width: 992px) and (max-width: 1200px) {
  .container { max-width: 960px; }
  .main-content { gap: 1.5rem; }
  
  .form-section,
  .settings-section,
  .history-section,
  .qr-display,
  .scanner-section,
  .batch-section,
  .analytics-section,
  .template-section { padding: 1.5rem; }
  
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .template-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  
  .stat-card { padding: 1.5rem; }
  .template-item { padding: 1.5rem; }
}

/* Tablet Portrait (768px - 991px) */
@media (min-width: 768px) and (max-width: 991px) {
  .container { max-width: 720px; }
  .main-content { gap: 1.25rem; }
  
  .form-section,
  .settings-section,
  .history-section,
  .qr-display,
  .scanner-section,
  .batch-section,
  .analytics-section,
  .template-section { padding: 1.25rem; }
  
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .template-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
  
  .stat-card { 
    padding: 1.25rem; 
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .template-item { padding: 1.25rem; }
  .template-preview { width: 70px; height: 70px; font-size: 2rem; }
}

/* Large Mobile (576px - 767px) */
@media (min-width: 576px) and (max-width: 767px) {
  .container { max-width: 540px; }
  .main-content { gap: 1rem; }
  
  .form-section,
  .settings-section,
  .history-section,
  .qr-display,
  .scanner-section,
  .batch-section,
  .analytics-section,
  .template-section { padding: 1rem; }
  
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .template-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  
  .stat-card { 
    padding: 1rem; 
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
  
  .stat-icon { width: 45px; height: 45px; font-size: 1.3rem; }
  .stat-number { font-size: 1.8rem; }
  .stat-label { font-size: 0.85rem; }
  
  .template-item { padding: 1rem; }
  .template-preview { width: 60px; height: 60px; font-size: 1.8rem; }
  .template-name { font-size: 1rem; }
  
  .type-buttons { grid-template-columns: repeat(3, 1fr); }
}

/* Mobile (481px - 575px) */
@media (min-width: 481px) and (max-width: 575px) {
  .container { max-width: 100%; padding: 0 1rem; }
  .main-content { gap: 0.75rem; }
  
  .form-section,
  .settings-section,
  .history-section,
  .qr-display,
  .scanner-section,
  .batch-section,
  .analytics-section,
  .template-section { padding: 0.75rem; }
  
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  .template-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.75rem; }
  
  .stat-card { 
    padding: 0.75rem; 
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
  
  .stat-icon { width: 40px; height: 40px; font-size: 1.2rem; }
  .stat-number { font-size: 1.5rem; }
  .stat-label { font-size: 0.8rem; }
  
  .template-item { padding: 0.75rem; }
  .template-preview { width: 50px; height: 50px; font-size: 1.5rem; }
  .template-name { font-size: 0.9rem; }
  .template-actions { gap: 0.5rem; }
  .template-use-btn,
  .template-edit-btn { padding: 0.5rem; font-size: 0.75rem; }
  
  .type-buttons { grid-template-columns: repeat(3, 1fr); }
  .form-input { font-size: 14px; }
}

/* Small Mobile (320px - 480px) */
@media (min-width: 320px) and (max-width: 480px) {
  .container { max-width: 100%; padding: 0 0.75rem; }
  .main-content { gap: 0.5rem; }
  
  .header { padding: 1rem 0; }
  .header h1 { font-size: 1.5rem; }
  .header p { font-size: 0.9rem; }
  
  .form-section,
  .settings-section,
  .history-section,
  .qr-display,
  .scanner-section,
  .batch-section,
  .analytics-section,
  .template-section { padding: 0.75rem; }
  
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
  .template-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 0.5rem; }
  
  .stat-card { 
    padding: 0.75rem; 
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
  
  .stat-icon { width: 35px; height: 35px; font-size: 1rem; }
  .stat-number { font-size: 1.3rem; }
  .stat-label { font-size: 0.75rem; }
  
  .template-item { padding: 0.75rem; }
  .template-preview { width: 45px; height: 45px; font-size: 1.3rem; }
  .template-name { font-size: 0.85rem; }
  .template-actions { gap: 0.25rem; }
  .template-use-btn,
  .template-edit-btn { padding: 0.4rem; font-size: 0.7rem; }
  
  .type-buttons { grid-template-columns: repeat(2, 1fr); }
  .form-input { font-size: 14px; padding: 0.5rem; }
  
  .section-title { font-size: 1.1rem; }
  .generate-btn { padding: 0.75rem 1rem; font-size: 0.9rem; }
}

/* Extra Small Mobile (below 320px) */
@media (max-width: 319px) {
  .container { max-width: 100%; padding: 0 0.5rem; }
  .main-content { gap: 0.25rem; }
  
  .header { padding: 0.75rem 0; }
  .header h1 { font-size: 1.25rem; }
  .header p { font-size: 0.8rem; }
  
  .form-section,
  .settings-section,
  .history-section,
  .qr-display,
  .scanner-section,
  .batch-section,
  .analytics-section,
  .template-section { padding: 0.5rem; }
  
  .stats-grid { grid-template-columns: 1fr; gap: 0.5rem; }
  .template-grid { grid-template-columns: 1fr; gap: 0.5rem; }
  
  .stat-card { 
    padding: 0.5rem; 
    flex-direction: column;
    text-align: center;
    gap: 0.25rem;
  }
  
  .stat-icon { width: 30px; height: 30px; font-size: 0.9rem; }
  .stat-number { font-size: 1.1rem; }
  .stat-label { font-size: 0.7rem; }
  
  .template-item { padding: 0.5rem; }
  .template-preview { width: 40px; height: 40px; font-size: 1.1rem; }
  .template-name { font-size: 0.8rem; }
  .template-actions { gap: 0.25rem; }
  .template-use-btn,
  .template-edit-btn { padding: 0.3rem; font-size: 0.65rem; }
  
  .type-buttons { grid-template-columns: repeat(2, 1fr); }
  .form-input { font-size: 13px; padding: 0.4rem; }
  
  .section-title { font-size: 1rem; }
  .generate-btn { padding: 0.6rem 0.8rem; font-size: 0.8rem; }
}

/* ===== LANDSCAPE ORIENTATION OPTIMIZATIONS ===== */
@media (max-height: 500px) and (orientation: landscape) {
  .container { padding: 0.5rem; }
  .main-content { gap: 0.75rem; }
  
  .form-section,
  .settings-section,
  .history-section,
  .qr-display,
  .scanner-section,
  .batch-section,
  .analytics-section,
  .template-section { padding: 0.75rem; }
  
  .header { padding: 0.5rem 0; }
  .header h1 { font-size: 1.3rem; }
  .header p { font-size: 0.85rem; }
  
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .template-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
}

/* ===== HIGH DPI / RETINA DISPLAYS ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .qr-code-img { image-rendering: -webkit-optimize-contrast; }
  .template-preview i,
  .stat-icon i { text-rendering: optimizeLegibility; }
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .theme-toggle,
  .generate-btn,
  .scanner-btn,
  .batch-btn,
  .template-actions,
  .history-item-actions,
  .export-btn,
  .refresh-stats-btn,
  .add-template-btn,
  .settings-controls { display: none !important; }
  
  .container { max-width: 100%; }
  .main-content { grid-template-columns: 1fr; gap: 1rem; }
  
  .form-section,
  .settings-section,
  .history-section,
  .qr-display,
  .scanner-section,
  .batch-section,
  .analytics-section,
  .template-section { 
    padding: 1rem; 
    break-inside: avoid;
    page-break-inside: avoid;
  }
  
  .qr-code-img { max-width: 200px; height: auto; }
}