/* Reset & Base Styles */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color Palette - Navy & White */
  --primary-navy: #0F172A;
  --secondary-navy: #1E293B;
  --accent-blue: #2563EB;
  --accent-blue-hover: #1D4ED8;
  --accent-blue-light: #EFF6FF;
  
  --bg-main: #F8FAFC;
  --bg-card: #FFFFFF;
  --border-color: #E2E8F0;
  
  --text-dark: #0F172A;
  --text-medium: #475569;
  --text-light: #94A3B8;
  
  /* Status Colors */
  --color-success: #10B981;
  --color-success-light: #ECFDF5;
  --color-error: #EF4444;
  --color-error-light: #FEF2F2;
  --color-warning: #F59E0B;
  
  /* Shared Aesthetics */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.1);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --primary-navy: #F8FAFC;
  --secondary-navy: #E2E8F0;
  --accent-blue: #3B82F6;
  --accent-blue-hover: #60A5FA;
  --accent-blue-light: #1E293B;
  
  --bg-main: #0B0F19;
  --bg-card: #111827;
  --border-color: #1F2937;
  
  --text-dark: #F9FAFB;
  --text-medium: #D1D5DB;
  --text-light: #6B7280;
  
  --color-success-light: #064E3B;
  --color-error-light: #7F1D1D;
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-medium);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

/* Layout Containers */
header {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

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

.logo-icon {
  background: linear-gradient(135deg, var(--accent-blue), #1D4ED8);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.logo-text h1 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.logo-text span {
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-dark);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  font-size: 1.2rem;
}

.theme-toggle-btn:hover {
  background-color: var(--accent-blue-light);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

main {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
}

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

/* Dashboard Panels */
.panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.panel-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

/* Inputs & Form Elements */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-light);
  font-size: 1.2rem;
  pointer-events: none;
}

input[type="text"],
select {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-main);
  color: var(--text-dark);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition-smooth);
}

select {
  appearance: none;
  cursor: pointer;
}

.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: "\f0d7"; /* FontAwesome/phosphor down arrow logic or raw caret */
  content: "▼";
  font-size: 0.7rem;
  color: var(--text-light);
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

input[type="text"]:focus,
select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 4px var(--accent-blue-light);
  background-color: var(--bg-card);
}

.input-hint {
  font-size: 0.75rem;
  color: var(--text-light);
  display: flex;
  justify-content: space-between;
  margin-top: 0.25rem;
}

/* Character counter & warnings */
.input-hint span.error-msg {
  color: var(--color-error);
  font-weight: 500;
}

/* Customization Accordion */
details {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-main);
  overflow: hidden;
  transition: var(--transition-smooth);
}

details[open] {
  background-color: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

summary {
  padding: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  user-select: none;
  outline: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-light);
  transition: var(--transition-smooth);
}

details[open] summary::after {
  content: "−";
}

summary:hover {
  background-color: var(--accent-blue-light);
  color: var(--accent-blue);
}

.accordion-content {
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.color-pickers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.color-input-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-main);
}

input[type="color"] {
  -webkit-appearance: none;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  background: none;
}

input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

input[type="color"]::-webkit-color-swatch {
  border: 1px solid var(--border-color);
  border-radius: 50%;
}

.color-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dark);
  text-transform: uppercase;
}

/* Custom Checkbox Toggle */
.toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--text-light);
  transition: .4s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent-blue);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* Action Button */
.btn-generate {
  background: linear-gradient(135deg, var(--accent-blue), #1D4ED8);
  color: white;
  border: none;
  padding: 1rem 2rem;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  transition: var(--transition-smooth);
  width: 100%;
}

.btn-generate:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
  background: linear-gradient(135deg, #3B82F6, var(--accent-blue));
}

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

.btn-generate:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Spinner and Animation */
.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
  display: none;
}

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

/* Output Preview Card */
.preview-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  background-color: var(--bg-main);
  min-height: 280px;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.preview-card.has-content {
  border-style: solid;
  border-color: var(--border-color);
  background-color: var(--bg-card);
  background-image: 
    radial-gradient(var(--border-color) 1px, transparent 1px),
    radial-gradient(var(--border-color) 1px, transparent 1px);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
}

.preview-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--text-light);
  text-align: center;
}

.preview-placeholder-icon {
  font-size: 3rem;
  opacity: 0.5;
}

.preview-output-container {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
}

.barcode-wrapper {
  padding: 1.5rem;
  background-color: white; /* Barcode scanner friendly white bg */
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid #E2E8F0;
  transition: var(--transition-smooth);
}

.barcode-wrapper canvas, 
.barcode-wrapper svg {
  max-width: 100%;
  height: auto !important;
  display: block;
}

.barcode-info-tag {
  background-color: var(--accent-blue-light);
  color: var(--accent-blue);
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Action Grid for Exports */
.action-grid {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  width: 100%;
}

@media (max-width: 480px) {
  .action-grid {
    grid-template-columns: 1fr;
  }
}

.btn-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-dark);
}

.btn-action:hover {
  background-color: var(--bg-main);
  border-color: var(--text-light);
}

.btn-action.btn-primary-action {
  background-color: var(--primary-navy);
  color: white;
  border: none;
}

.btn-action.btn-primary-action:hover {
  background-color: var(--secondary-navy);
  opacity: 0.95;
}

/* History Logs */
.history-section {
  grid-column: 1 / -1;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.history-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-clear-history {
  background: transparent;
  border: none;
  color: var(--color-error);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.btn-clear-history:hover {
  background-color: var(--color-error-light);
}

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

.history-empty {
  text-align: center;
  padding: 3rem 0;
  color: var(--text-light);
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.history-empty-icon {
  font-size: 2.5rem;
  opacity: 0.4;
}

.history-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  background-color: var(--bg-main);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: var(--transition-smooth);
  position: relative;
}

.history-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-blue);
  background-color: var(--bg-card);
}

.history-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.history-card-badge {
  font-size: 0.7rem;
  font-weight: 700;
  background-color: var(--border-color);
  color: var(--text-medium);
  padding: 0.2rem 0.5rem;
  border-radius: 50px;
  text-transform: uppercase;
}

.history-card-delete {
  background: transparent;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 0.9rem;
}

.history-card-delete:hover {
  color: var(--color-error);
}

.history-card-body {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dark);
  word-break: break-all;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-card-time {
  font-size: 0.7rem;
  color: var(--text-light);
}

.history-card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.btn-history-action {
  flex: 1;
  padding: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-card);
  color: var(--text-medium);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.btn-history-action:hover {
  background-color: var(--accent-blue-light);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 9999;
}

.toast {
  background-color: var(--bg-card);
  border-left: 4px solid var(--accent-blue);
  box-shadow: var(--shadow-lg);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-dark);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(100px);
  opacity: 0;
  animation: slideIn 0.3s forwards cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transition: var(--transition-smooth);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

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

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

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

/* Monospace text for Barcode Input Label details */
.format-spec {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  background-color: var(--bg-main);
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

/* Printing styles */
@media print {
  body {
    background-color: white !important;
    color: black !important;
  }
  
  header,
  main > .panel:first-of-type,
  .action-grid,
  .history-section,
  .toast-container,
  .header-controls,
  .panel-title,
  .barcode-info-tag {
    display: none !important;
  }
  
  main {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  
  .panel {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
  
  .preview-card {
    border: none !important;
    background: white !important;
    min-height: auto !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    height: 100vh !important;
  }
  
  .preview-output-container {
    display: flex !important;
  }
  
  .barcode-wrapper {
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
  }
  
  .barcode-wrapper canvas,
  .barcode-wrapper svg {
    max-width: 5in !important;
    max-height: 5in !important;
    width: auto !important;
    height: auto !important;
  }
}

/* Supabase Auth Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.2s ease-out;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 440px;
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  font-size: 1.75rem;
  color: var(--text-light);
  cursor: pointer;
  line-height: 1;
  transition: var(--transition-smooth);
}

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

.modal-tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.modal-tab {
  flex: 1;
  text-align: center;
  padding: 0.75rem 0;
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-light);
  cursor: pointer;
  position: relative;
  transition: var(--transition-smooth);
}

.modal-tab.active {
  color: var(--accent-blue);
}

.modal-tab.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent-blue);
}

.modal-form {
  display: flex;
  flex-direction: column;
}

.modal-form-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.modal-form-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.modal-form input[type="email"],
.modal-form input[type="password"] {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-main);
  color: var(--text-dark);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition-smooth);
  box-sizing: border-box;
}

.modal-form input[type="email"]:focus,
.modal-form input[type="password"]:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 4px var(--accent-blue-light);
  background-color: var(--bg-card);
}

/* Cloud Status Indicator styling */
.cloud-status-badge {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
}

.cloud-status-badge.synced {
  color: var(--color-success);
  background-color: var(--color-success-light);
  border-color: var(--color-success);
}

.cloud-status-badge.local {
  color: var(--text-light);
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}