/* App Styles - Sharp/Angular Design with Dark/Light Theme Support */

:root {
  /* Base Colors */
  --primary: #0066FF;
  --primary-hover: #0052CC;
  --secondary: #FF6B6B;
  --secondary-hover: #FF5252;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  
  /* Light Theme */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F9FA;
  --bg-tertiary: #F1F3F4;
  --surface: #FFFFFF;
  --surface-elevated: #FFFFFF;
  --text-primary: #1A1A1A;
  --text-secondary: #4A4A4A;
  --text-muted: #6C757D;
  --text-inverse: #FFFFFF;
  --border: #E9ECEF;
  --border-light: #F1F3F4;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-lg: rgba(0, 0, 0, 0.15);
  --overlay: rgba(0, 0, 0, 0.5);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border radius - Sharp design */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Transitions */
  --transition: all 0.2s ease;
  
  --transition-slow: all 0.3s ease;
  
  /* Z-index */
  --z-header: 100;
  --z-nav: 100;
  --z-modal: 1000;
  --z-toast: 2000;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0A0A0A;
  --bg-secondary: #1A1A1A;
  --bg-tertiary: #2A2A2A;
  --surface: #1A1A1A;
  --surface-elevated: #2A2A2A;
  --text-primary: #FFFFFF;
  --text-secondary: #B0B0B0;
  --text-muted: #8A8A8A;
  --text-inverse: #1A1A1A;
  --border: #333333;
  --border-light: #444444;
  --shadow: rgba(0, 0, 0, 0.3);
  --shadow-lg: rgba(0, 0, 0, 0.5);
  --overlay: rgba(0, 0, 0, 0.8);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Disable zoom/pinch on touch devices */
* {
  touch-action: manipulation;
}

html {
  -webkit-text-size-adjust: none;
  -moz-text-size-adjust: none;
  -ms-text-size-adjust: none;
}

/* Disable double-tap zoom on buttons and interactive elements */
button,
input,
select,
textarea,
a {
  touch-action: manipulation;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  transition: opacity 0.3s ease;
}

.loading-content {
  text-align: center;
}

.loading-content .logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.logo-icon {
  color: var(--primary);
}

.logo-text {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Auth Screen */
.auth-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.auth-container {
  width: 100%;
  max-width: 400px;
  margin: 0 var(--spacing-md);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.auth-header .logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.auth-form {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: 0 10px 30px var(--shadow-lg);
  border: 1px solid var(--border);
}

.auth-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-semibold);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-group input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--text-primary);
  transition: var(--transition);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--bg-primary);
}

.auth-button {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: var(--transition);
}

.auth-button:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.auth-switch {
  text-align: center;
  margin-top: var(--spacing-lg);
}

.auth-switch a {
  color: var(--primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
}

.auth-switch a:hover {
  text-decoration: underline;
}

/* App Container */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg-primary);
}

/* App Header */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--spacing-md);
  z-index: var(--z-header);
  position: sticky;
  top: 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.header-content .logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  transform: scale(1.05);
}

/* Tab Content */
.tab-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 0 var(--spacing-md);
  padding-bottom: 80px; /* Space for bottom nav */
}

.tab-panel {
  display: none;
  flex: 1;
  padding: var(--spacing-lg) 0;
}

.tab-panel.active {
  display: flex;
  flex-direction: column;
  margin-bottom: 80px;

}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
}

.panel-title {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

/* Search */
.search-container {
  position: relative;
  width: 300px;
}

.search-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-right: 40px;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-primary);
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
}

.search-icon {
  position: absolute;
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.card-item {
  background: var(--surface-elevated);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: var(--transition-slow);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.card-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px var(--shadow-lg);
  border-color: var(--primary);
}

.card-item:hover::before {
  transform: scaleX(1);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.card-name {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.card-type {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
}

.card-code-preview {
  width: 100%;
  height: 120px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.card-code-preview canvas {
  max-width: 100%;
  max-height: 100%;
  transition: opacity 0.3s ease;
}

.card-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
  min-height: 400px;
}

.empty-icon {
  margin-bottom: var(--spacing-lg);
  color: var(--text-muted);
  opacity: 0.5;
}

.empty-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.empty-subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.empty-action {
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: var(--transition);
}

.empty-action:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

/* Add Form */
.add-form {
  max-width: 600px;
  margin: 0 auto;
}

.code-type-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.code-type-option {
  cursor: pointer;
}

.code-type-option input {
  display: none;
}

.code-type-visual {
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: var(--transition);
  min-height: 100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.code-type-option input:checked + .code-type-visual {
  border-color: var(--primary);
  background: rgba(0, 102, 255, 0.1);
}

.barcode-preview {
  width: 50px;
  height: 30px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--text-primary) 0px,
    var(--text-primary) 2px,
    transparent 2px,
    transparent 4px
  );
  margin: 0 auto var(--spacing-sm);
  flex-shrink: 0;
}

.qrcode-preview {
  width: 40px;
  height: 40px;
  background-image: url('/icons/qr-site.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  margin: 0 auto var(--spacing-sm);
  flex-shrink: 0;
}

.code-input-group {
  display: flex;
  gap: var(--spacing-sm);
}

.code-input-group input {
  flex: 1;
}

.scan-button {
  padding: var(--spacing-md);
  background: var(--secondary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  white-space: nowrap;
}

.scan-button:hover {
  background: var(--secondary-hover);
}

.code-preview {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  text-align: center;
}

.preview-container canvas {
  max-width: 100%;
  height: auto;
  margin-bottom: var(--spacing-sm);
  transition: opacity 0.3s ease;
}

.preview-label {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.submit-button {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--success);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: var(--transition);
}

.submit-button:hover {
  background: #059669;
  transform: translateY(-1px);
}

/* Profile Content */
.profile-content {
  max-width: 600px;
  margin: 0 auto;
}

.profile-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.profile-section h3 {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.profile-field {
  margin-bottom: var(--spacing-lg);
}

.profile-field:last-child {
  margin-bottom: 0;
}

.profile-field label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  font-size: 0.875rem;
}

.field-value {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  max-width: 100%;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.field-with-copy {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  max-width: 100%;
  overflow: hidden;
}

.field-with-copy .field-value {
  flex: 1;
  min-width: 0;
  word-break: break-all;
  overflow-wrap: break-word;
}

.copy-button, .edit-button {
  padding: var(--spacing-xs);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.copy-button:hover, .edit-button:hover {
  background: var(--bg-tertiary);
}

.editable-field {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.password-form .form-group {
  margin-bottom: var(--spacing-md);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
}

.stat-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.stat-value {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
  word-wrap: break-word;
  overflow-wrap: break-word;
  max-width: 100%;
}

/* Special styling for date field */
#join-date {
  font-size: 1.2rem;
  line-height: 1.3;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.profile-actions {
  display: flex;
  justify-content: center;
}

.logout-button {
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--error);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logout-button:hover {
  background: #DC2626;
  transform: translateY(-1px);
}

/* Settings Content */
.settings-content {
  max-width: 600px;
  margin: 0 auto;
}

.settings-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.settings-section h3 {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.setting-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.setting-info {
  flex: 1;
}

.setting-label {
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.setting-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.theme-selector, .language-selector {
  display: flex;
  gap: var(--spacing-md);
}

.theme-option, .language-option {
  cursor: pointer;
  text-align: center;
}

.theme-option input, .language-option input {
  display: none;
}

.theme-preview {
  width: 60px;
  height: 40px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-xs);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.theme-preview.light {
  background: #FFFFFF;
}

.theme-preview.dark {
  background: #1A1A1A;
}

.theme-preview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: var(--primary);
}

.theme-preview.light::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 4px;
  right: 4px;
  height: 2px;
  background: #E5E7EB;
}

.theme-preview.dark::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 4px;
  right: 4px;
  height: 2px;
  background: #374151;
}

.theme-option input:checked + .theme-preview,
.language-option input:checked + .language-info {
  border-color: var(--primary);
}

.language-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.language-flag {
  font-size: 1.25rem;
}

/* Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: var(--z-nav);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-sm);
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  border-radius: var(--radius-md);
  color: var(--text-muted);
}

.nav-item:hover {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.nav-item.active {
  color: var(--primary);
  background: rgba(0, 102, 255, 0.1);
}

.nav-icon {
  margin-bottom: var(--spacing-xs);
}

.nav-label {
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal.show {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--overlay);
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px var(--shadow-lg);
  position: relative;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
}

.scanner-modal-content {
  max-width: 600px;
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-code-container {
  display: flex;
  flex-direction: column;
  text-align: center;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.modal-code-container canvas {
  margin-bottom: var(--spacing-md);
  transition: opacity 0.3s ease;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* Canvas for QR codes - square */
.modal-code-container canvas.qr-canvas {
  max-width: 200px;
  height: 200px;
  width: 200px;
}

/* Canvas for barcodes - rectangular */
.modal-code-container canvas.barcode-canvas {
  max-width: 280px;
  height: 120px;
  width: 280px;
}

.modal-code-text {
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  display: inline-block;
  user-select: all;
}

.modal-actions {
  display: flex;
  gap: var(--spacing-md);
}

.modal-action-btn {
  flex: 1;
  padding: var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.modal-action-btn:not(.danger) {
  background: var(--primary);
  color: white;
}

.modal-action-btn:not(.danger):hover {
  background: var(--primary-hover);
}

.modal-action-btn.danger {
  background: var(--error);
  color: white;
}

.modal-action-btn.danger:hover {
  background: #DC2626;
}

/* Scanner */
.scanner-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.scanner-container video {
  width: 100%;
  height: auto;
  display: block;
}

.scanner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scanner-frame {
  width: 200px;
  height: 200px;
  border: 3px solid var(--primary);
  border-radius: var(--radius-md);
  position: relative;
}

.scanner-frame::before,
.scanner-frame::after {
  content: '';
  position: absolute;
  background: var(--primary);
}

.scanner-frame::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  animation: scanLine 2s ease-in-out infinite;
}

.scanner-instructions {
  text-align: center;
  color: var(--text-secondary);
  margin-top: var(--spacing-md);
}

@keyframes scanLine {
  0%, 100% { transform: translateY(-100px); opacity: 0; }
  50% { transform: translateY(0); opacity: 1; }
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: 0 8px 25px var(--shadow-lg);
  max-width: 350px;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  animation: toastIn 0.3s ease;
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left: 4px solid var(--error);
}

.toast.warning {
  border-left: 4px solid var(--warning);
}

.toast-icon {
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.toast-message {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

/* Desktop specific styles */
@media (min-width: 769px) {
  .code-type-visual {
    min-height: 120px;
    padding: var(--spacing-xl);
  }
  
  .barcode-preview {
    width: 60px;
    height: 35px;
  }
  
  .qrcode-preview {
    width: 45px;
    height: 45px;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .panel-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .search-container {
    width: 100%;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .code-type-selector {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .stat-value {
    font-size: 1.8rem;
  }
  
  #join-date {
    font-size: 1.1rem;
  }
  
  .theme-selector, .language-selector {
    width: 100%;
    flex-direction: row;
    justify-content: space-around;
    gap: var(--spacing-sm);
  }
  
  .setting-item {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .profile-content {
    max-width: none;
    margin: 0;
  }
  
  .profile-section {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
  }
  
  .profile-field {
    margin-bottom: var(--spacing-md);
  }
  
  .modal-actions {
    flex-direction: column;
  }
  
  .toast-container {
    top: 10px;
    right: 10px;
    left: 10px;
  }
  
  .toast {
    max-width: none;
  }
}

@media (max-width: 480px) {
  .tab-content {
    padding: 0 var(--spacing-sm);
  }
  
  .panel-title {
    font-size: 1.5rem;
  }
  
  .modal-content {
    margin: var(--spacing-sm);
    /* max-width: none;
    width: auto; */
  }
  
  .bottom-nav {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .nav-label {
    font-size: 0.6rem;
  }
  
  /* Responsive canvas sizes for mobile */
  .modal-code-container canvas.qr-canvas {
    max-width: 160px;
    height: 160px;
    width: 160px;
  }
  
  .modal-code-container canvas.barcode-canvas {
    max-width: 250px;
    height: 100px;
    width: 250px;
  }
  
  .profile-section {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
  }
  
  .profile-section h3 {
    font-size: 1.1rem;
  }
  
  .profile-field {
    margin-bottom: var(--spacing-sm);
  }
  
  .copy-button, .edit-button {
    padding: var(--spacing-xs);
    min-width: 36px;
    height: 36px;
  }
  
  .field-with-copy {
    gap: var(--spacing-xs);
  }
  
  .field-value {
    font-size: 0.9rem;
  }
  
  .stat-value {
    font-size: 1.5rem;
  }
  
  #join-date {
    font-size: 1rem;
    line-height: 1.2;
  }
  
  .stat-card {
    padding: var(--spacing-md);
  }
}

/* Print styles */
@media print {
  .app-header,
  .bottom-nav,
  .modal {
    display: none !important;
  }
  
  .tab-content {
    padding-bottom: 0;
  }
  
  .card-item {
    break-inside: avoid;
    box-shadow: none;
    border: 2px solid #000;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --border: #000000;
    --shadow: rgba(0, 0, 0, 0.5);
  }
  
  [data-theme="dark"] {
    --border: #FFFFFF;
    --text-secondary: #FFFFFF;
  }
}

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

/* Focus styles for accessibility */
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Smooth scrolling */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* Modal System Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--overlay);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal-overlay .modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px var(--shadow-lg);
  max-width: 450px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  transform: scale(0.9) translateY(20px);
  transition: all 0.3s ease;
  position: relative !important;
  top: auto !important;
  left: auto !important;
  right: auto !important;
  bottom: auto !important;
  display: block !important;
  z-index: auto !important;
  align-items: initial !important;
  justify-content: initial !important;
  padding: 0 !important;
}

.modal-overlay.show .modal {
  transform: scale(1) translateY(0);
}

.modal-overlay .modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border);
  min-height: 60px;
}

.modal-overlay .modal-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
}

.modal-overlay .modal-close {
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay .modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.modal-overlay .modal-body {
  padding: var(--spacing-lg);
  text-align: center;
}

.modal-overlay .modal-message {
  color: var(--text-secondary);
  /* margin: var(--spacing-md) 0 var(--spacing-xl) 0; */
  line-height: 1.5;
  font-size: 1rem;
  display: flex;
  align-items: center;
}

.modal-overlay .modal-input {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: var(--transition);
  margin-top: var(--spacing-sm);
}

.modal-overlay .modal-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.modal-overlay .modal-actions {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border);
}

.modal-overlay .modal-btn {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
  min-height: 44px;
}

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

.modal-overlay .modal-btn-primary:hover {
  background: var(--primary-hover);
}

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

.modal-overlay .modal-btn-secondary:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Ensure modal content is properly styled */
.modal-overlay .modal-header,
.modal-overlay .modal-body,
.modal-overlay .modal-actions {
  display: flex !important;
  visibility: visible !important;
}

.modal-overlay .modal-actions {
  display: flex !important;
}

/* Specific styles for app modal system to override conflicts */
.app-modal-system {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  background: var(--overlay) !important;
  backdrop-filter: blur(4px) !important;
  z-index: var(--z-modal) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: var(--spacing-md) !important;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.app-modal-system.show {
  opacity: 1 !important;
  visibility: visible !important;
}

.app-modal-system .app-modal-content {
  background: var(--surface) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: 0 20px 50px var(--shadow-lg) !important;
  max-width: 450px !important;
  width: 100% !important;
  max-height: 90vh !important;
  overflow: auto !important;
  transform: scale(0.9) translateY(20px);
  transition: all 0.3s ease;
  position: relative !important;
  display: block !important;
  top: auto !important;
  left: auto !important;
  right: auto !important;
  bottom: auto !important;
  z-index: auto !important;
}

.app-modal-system.show .app-modal-content {
  transform: scale(1) translateY(0) !important;
}

/* Modal type specific styles */
.modal-alert .modal-message {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  text-align: center;
}

.modal-alert .modal-message::before {
  content: "ℹ️";
  font-size: 1.5rem;
  flex-shrink: 0;
}

.modal-confirm .modal-message {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  text-align: center;
}

.modal-confirm .modal-message::before {
  content: "❓";
  font-size: 3rem;
  flex-shrink: 0;
}

.modal-prompt .modal-input {
  margin-bottom: 0;
}

/* Force modal visibility when needed */
.modal-overlay.show .modal {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

/* Responsive modal styles */
@media (max-width: 480px) {
  .modal-overlay {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .modal-overlay .modal {
    max-width: none;
    width: calc(100% - var(--spacing-sm));
    margin: 0 auto;
  }
  
  .modal-overlay .modal-header {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .modal-overlay .modal-body {
        flex-direction: row;
        padding: var(--spacing-md) var(--spacing-lg);
        align-items: center;
        justify-content: center;
        text-align: center;
        gap: 1rem;
  }
  
  .modal-overlay .modal-actions {
    flex-direction: column;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    gap: var(--spacing-md);
  }
  
  .modal-overlay .modal-btn {
    flex: none;
    width: 100%;
  }
  
  .modal-confirm .modal-message,
  .modal-alert .modal-message {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* Extra small screens */
@media (max-width: 360px) {
  .modal-overlay {
    padding: var(--spacing-xs);
  }
  
  .modal-overlay .modal {
    width: calc(100% - var(--spacing-xs));
  }
  
  .modal-overlay .modal-header,
  .modal-overlay .modal-body,
  .modal-overlay .modal-actions {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }
  
  /* App modal system responsive */
  .app-modal-system {
    padding: var(--spacing-xs) !important;
  }
  
  .app-modal-system .app-modal-content {
    width: calc(100% - var(--spacing-xs)) !important;
    max-width: none !important;
  }
}