/* XEND Wallet Styles */

:root {
  /* Enhanced App Colors */
  --primary-color: #0066ff;
  --primary-light: #4d94ff;
  --primary-dark: #0052cc;
  --secondary-color: #6366f1;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --info-color: #06b6d4;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-accent: #fafbfc;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --shadow-2xl: 0 25px 50px rgba(0,0,0,0.25);
  
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  --gradient-success: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
  --gradient-warning: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
  --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

#app {
  min-height: 100vh;
  position: relative;
  width: 100%;
  max-width: 100vw;
  margin: 0;
  background: var(--bg-secondary);
  overflow-x: hidden;
  backdrop-filter: blur(20px);
}

/* Enhanced Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(20px);
}

.loading-screen::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(255,255,255,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.loading-screen.hidden {
  display: none !important;
}

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

.logo {
  margin-bottom: 2rem;
}

.logo i {
  font-size: 4rem;
  margin-bottom: 1rem;
  display: block;
}

.logo h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255,255,255,0.3);
  border-top: 4px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 2rem auto;
}

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

/* Screen Management */
.screen {
  min-height: 100vh;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.screen.hidden {
  display: none;
}

/* Welcome Screen */
.welcome-content {
  text-align: center;
  max-width: 400px;
  width: 100%;
}

.welcome-content .logo {
  color: var(--primary-color);
  margin-bottom: 3rem;
}

.welcome-content .logo p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.welcome-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.settings-toggle {
  position: absolute;
  top: 2rem;
  right: 2rem;
}

/* PIN Screens */
.pin-content {
  text-align: center;
  max-width: 400px;
  width: 100%;
}

.pin-content h2 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.pin-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.pin-input, .pin-confirm {
  margin-bottom: 1.5rem;
}

.pin-input input, .pin-confirm input {
  width: 100%;
  padding: 1rem;
  font-size: 1.2rem;
  text-align: center;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-secondary);
  color: var(--text-primary);
  letter-spacing: 0.5rem;
}

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

/* Buttons */
.btn {
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  min-width: 140px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  font-family: inherit;
  letter-spacing: -0.025em;
}

.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;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  border: 1px solid transparent;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #003d99 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0, 102, 255, 0.1);
}

.btn-primary:active {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: #545b62;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

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

.btn-danger:hover {
  background: #c82333;
}

.btn-small {
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  min-width: auto;
  border-radius: 10px;
}

.btn-icon {
  padding: 0.4rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

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

.btn-icon:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 20px rgba(0, 123, 255, 0.3);
}

.btn-icon:active {
  transform: translateY(0) scale(1.02);
}

.btn-icon i {
  font-size: 0.9rem;
  transition: transform 0.3s ease;
}

.btn-icon:hover i {
  transform: scale(1.1);
}

/* Main Screen Layout */
#main-screen {
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Enhanced Header */
.header {
  background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(255,255,255,0.95) 100%);
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 12px rgba(0,0,0,0.1), 0 1px 3px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  min-height: 50px;
  width: 100%;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
  opacity: 0.6;
}

.header h1 {
  font-size: 1.3rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.3px;
  text-shadow: 0 1px 2px rgba(0,123,255,0.1);
  margin: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  justify-content: flex-start;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex: 0 0 auto;
}

.wallet-selector {
  position: relative;
}

.wallet-selector::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 123, 255, 0.1), rgba(0, 123, 255, 0.05));
  border-radius: 12px;
  pointer-events: none;
}

.wallet-selector select {
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  position: relative;
  z-index: 1;
  width: 100%;
  min-width: 150px;
}

.wallet-selector select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2), 0 4px 12px rgba(0,0,0,0.15);
  transform: translateY(-1px);
}

.wallet-selector select:hover {
    border-color: var(--primary-color);
    transform: translateY(-1px);
  }

/* Network Indicator */
#network-toggle {
  background: linear-gradient(135deg, var(--success-color), #28a745);
  color: white;
  border: 2px solid var(--success-color);
  min-width: 44px;
}

#network-toggle:hover {
  background: linear-gradient(135deg, #218838, var(--success-color));
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

#network-indicator {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  padding: 0;
}

/* Menu Button Special Styling */
#menu-btn {
  background: linear-gradient(135deg, var(--primary-color), #0056b3);
  color: white;
  border: 2px solid var(--primary-color);
}

#menu-btn:hover {
  background: linear-gradient(135deg, #0056b3, var(--primary-color));
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}



/* Enhanced Navigation */
.nav-tabs {
  display: flex;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  padding: 0 0.5rem;
  position: sticky;
  top: 73px;
  z-index: 99;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 -4px 6px rgba(0,0,0,0.05);
}

.nav-tab {
  flex: 1;
  padding: 1rem 0.5rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  min-width: 80px;
  border-radius: 12px;
  margin: 0.25rem;
  position: relative;
  font-weight: 500;
}

.nav-tab:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  transform: scale(1.05);
}

.nav-tab.active {
  background: var(--primary-color);
  color: white;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
  transform: translateY(-2px);
}

.nav-tab.active:hover {
  background: var(--primary-color);
  transform: scale(1.02);
}

.nav-tab i {
  font-size: 1.2rem;
}

.nav-tab span {
  font-size: 0.75rem;
  font-weight: 500;
}

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

.nav-tab i {
  font-size: 1.2rem;
}

.nav-tab span {
  font-size: 0.75rem;
  font-weight: 600;
}

/* Tab Content */
.tab-content {
  flex: 1;
  padding: 1.5rem;
  display: none;
  overflow-y: auto;
  background: var(--bg-secondary);
  min-height: calc(100vh - 200px);
}

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

/* Balance Card */
.balance-card {
  background: linear-gradient(135deg, var(--primary-color), #0056b3);
  color: white;
  padding: 2rem 1.5rem;
  border-radius: 20px;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 32px rgba(0, 123, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.balance-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.balance-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.balance-header h3 {
  font-size: 1.1rem;
  opacity: 0.9;
}

.status-badge {
  padding: 0.25rem 0.75rem;
  background: rgba(255,255,255,0.2);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-badge.activated {
  background: var(--success-color);
}

.status-badge.not-activated {
  background: var(--warning-color);
  color: var(--text-primary);
}

.balance-amount {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.balance-amount .currency {
  font-size: 1.5rem;
  opacity: 0.8;
  margin-left: 0.5rem;
}

.balance-details {
  display: flex;
  justify-content: space-between;
}

.balance-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.balance-item span:first-child {
  font-size: 0.875rem;
  opacity: 0.8;
}

.balance-item span:last-child {
  font-weight: 600;
}

/* Enhanced Account Info */
.account-info {
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: 16px;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.account-address label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.address-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: var(--transition);
}

.address-container:hover {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.address-container span {
  flex: 1;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  word-break: break-all;
}

/* Activation Notice */
.activation-notice {
  background: var(--warning-color);
  color: var(--text-primary);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  text-align: center;
}

.activation-notice.hidden {
  display: none;
}

.notice-content i {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

.notice-content h4 {
  margin-bottom: 0.5rem;
}

.notice-content p {
  margin-bottom: 1rem;
  opacity: 0.9;
}

/* Enhanced Quick Actions */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.action-btn {
  padding: 1.5rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.action-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s;
}

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

.action-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
  border-color: var(--primary-color);
}

.action-btn:active {
  transform: translateY(-2px) scale(1.01);
}

.action-btn i {
  font-size: 1.75rem;
  transition: transform 0.3s ease;
}

.action-btn:hover i {
  transform: scale(1.1);
}

.action-btn span {
  font-weight: 600;
  font-size: 0.875rem;
  text-align: center;
}

/* Forms */
.send-form {
  width: 100%;
  background: var(--bg-primary);
  padding: 2rem 1.5rem;
  border-radius: 20px;
  margin: 0;
  box-shadow: 0 8px 32px rgba(0, 123, 255, 0.1);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.send-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), #0056b3);
}

.send-form h3 {
  margin-bottom: 2rem;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), #0056b3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
  letter-spacing: -0.025em;
}

.form-group input, .form-group select {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-accent);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
  box-shadow: var(--shadow-xs);
}

.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md), 0 0 0 3px rgba(0, 102, 255, 0.1);
  background: var(--bg-primary);
  transform: translateY(-1px);
}

.form-group {
  position: relative;
}

.form-group .btn-icon {
  position: absolute;
  right: 0.5rem;
  top: 2rem;
}

/* Fee Section */
.fee-section {
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: 16px;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

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

.fee-editor {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
}

.fee-editor.hidden {
  display: none;
}

.fee-editor input {
  flex: 1;
}

/* Receive Content */
.receive-content {
  text-align: center;
  max-width: 400px;
  margin: 0 auto;
}

.receive-content h3 {
  margin-bottom: 2rem;
}

.qr-container {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  display: inline-block;
  text-align: center;
  margin: 20px 0;
}

.qr-container canvas {
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: white;
  margin: 10px 0;
}

/* Payment Request Form */
.payment-request-form {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.payment-request-form h3 {
  margin: 0 0 15px 0;
  color: var(--text-primary);
  font-size: 1.1em;
  font-weight: 600;
}

.form-row {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
}

.form-group {
  flex: 1;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  color: var(--text-secondary);
  font-size: 0.9em;
  font-weight: 500;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 0.95em;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.1);
}

.form-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 20px;
}

.btn-generate {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

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

.btn-reset {
  background: var(--secondary-color);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-reset:hover {
  background: var(--hover-bg);
}

/* QR Display Section */
.qr-display {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.qr-info {
  margin-top: 15px;
  padding: 15px;
  background: var(--secondary-bg);
  border-radius: 8px;
  text-align: left;
}

.qr-info h4 {
  margin: 0 0 10px 0;
  color: var(--text-primary);
  font-size: 1em;
  font-weight: 600;
}

.qr-info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
}

.qr-info-item:last-child {
  border-bottom: none;
}

.qr-info-label {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9em;
}

.qr-info-value {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9em;
  word-break: break-all;
}

.qr-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 20px;
  flex-wrap: wrap;
}

.qr-actions .btn {
  flex: 1;
  min-width: 120px;
  max-width: 200px;
}

.address-display {
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  word-break: break-all;
  font-family: 'Courier New', monospace;
}

.share-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Tokens */
.tokens-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 1.5rem 0;
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border: 1px solid var(--border-color);
  position: relative;
}

.tokens-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--success-color), #28a745);
  border-radius: 16px 16px 0 0;
}

.tokens-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--success-color), #28a745);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

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

.token-item {
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.token-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 123, 255, 0.05), transparent);
  transition: left 0.5s ease;
}

.token-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 123, 255, 0.15);
  border-color: var(--primary-color);
}

.token-item:hover::before {
  left: 100%;
}

.token-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.token-symbol {
  font-weight: 600;
  font-size: 1.1rem;
}

.token-issuer {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-family: 'Courier New', monospace;
}

.token-balance {
  font-weight: 600;
  font-size: 1.1rem;
}

/* NFT styles */
.nfts-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 1.5rem 0;
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border: 1px solid var(--border-color);
  position: relative;
}

.nfts-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--info-color), #0ea5e9);
  border-radius: 16px 16px 0 0;
}

.nfts-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--info-color), #0ea5e9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.nft-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.nft-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1rem;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.stat-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  transform: translateY(-2px);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nft-filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.filter-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-group select {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: var(--transition);
}

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

.nfts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.nft-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
}

.nft-card:hover {
  box-shadow: 0 16px 48px rgba(0,0,0,0.15);
  transform: translateY(-4px);
  border-color: var(--primary-light);
}

.nft-image {
  width: 100%;
  height: 200px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.nft-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
  border-radius: 8px 8px 0 0;
  background: var(--bg-secondary);
  /* Ensure proper loading for various formats including WebP */
  image-rendering: auto;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

.nft-card:hover .nft-image img {
  transform: scale(1.05);
}

.nft-placeholder {
  color: var(--text-secondary);
  font-size: 3rem;
}

.nft-info {
  padding: 1rem;
}

.nft-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.nft-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.nft-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.nft-id {
  font-family: 'Courier New', monospace;
  background: var(--bg-secondary);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
}

.nft-actions-card {
  display: flex;
  gap: 0.5rem;
}

.nft-actions-card .btn {
  flex: 1;
  padding: 0.5rem;
  font-size: 0.75rem;
}

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

.empty-state i {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h4 {
  margin: 0 0 0.5rem 0;
  color: var(--text-primary);
}

.empty-state p {
  margin: 0 0 1.5rem 0;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* NFT Empty state */
.nft-empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.nft-empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.nft-empty-state h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.nft-empty-state p {
    margin-bottom: 2rem;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

/* Checkbox group styles */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.checkbox-label:hover {
    background: var(--bg-accent);
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
    margin-top: 2px;
}

.checkbox-label small {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 2px;
}

/* Loading and error states */
.loading-placeholder,
.error-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-style: italic;
}

.error-state {
    color: var(--error);
}

/* History */
.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 1.5rem 0;
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border: 1px solid var(--border-color);
  position: relative;
}

.history-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--warning-color), #ffc107);
  border-radius: 16px 16px 0 0;
}

.history-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--warning-color), #ffc107);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

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

.history-item {
  background: var(--bg-primary);
  padding: 1rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  backdrop-filter: blur(10px);
}

.history-item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--bg-secondary);
  color: var(--primary-color);
  font-size: 1.1rem;
  align-self: flex-start;
}

.history-item-icon.validated {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.history-item-icon.pending {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning-color);
}

.history-item-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.history-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.history-item-type {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  line-height: 1.3;
}

.history-item-amount {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  text-align: right;
}

.history-item-amount.incoming {
  color: var(--success-color);
}

.history-item-amount.outgoing {
  color: var(--danger-color);
}

.history-item-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.history-item-date {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.history-item-hash {
  font-family: 'Courier New', monospace;
  color: var(--text-secondary);
  font-size: 0.7rem;
  word-break: break-all;
}

.history-item-memo {
  padding: 0.5rem;
  background: var(--bg-secondary);
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-left: 3px solid var(--primary-color);
  line-height: 1.3;
}

/* Pagination Controls */
.pagination-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--bg-primary);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.pagination-controls.hidden {
  display: none;
}

.page-info {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.pagination-controls .btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
}

.pagination-controls .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-controls .btn i {
  font-size: 0.8rem;
}

.history-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 193, 7, 0.05), transparent);
  transition: left 0.5s ease;
}

.history-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 193, 7, 0.15);
  border-color: var(--warning-color);
}

.history-item:hover::before {
  left: 100%;
}

.history-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.history-type {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.history-address {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-family: 'Courier New', monospace;
}

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

.history-amount {
  font-weight: 600;
  font-size: 1.1rem;
}

.history-amount.positive {
  color: var(--success-color);
}

.history-amount.negative {
  color: var(--danger-color);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(8px);
  animation: fadeIn 0.3s ease;
}

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

.modal-content {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: 24px;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  border: 1px solid var(--border-color);
  animation: modalSlideIn 0.3s ease;
}

/* NFT Details Modal Styles */
.nft-details-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.nft-details-image {
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--bg-secondary);
  border-radius: 16px;
  padding: 1rem;
  min-height: 200px;
}

.nft-details-image img {
  max-width: 100%;
  max-height: 300px;
  border-radius: 12px;
  object-fit: contain;
}

.nft-details-image .nft-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.nft-details-image .nft-placeholder i {
  font-size: 2rem;
  opacity: 0.5;
}

.nft-details-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.nft-detail-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nft-detail-row label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.nft-detail-row span {
  color: var(--text-secondary);
  font-size: 0.9rem;
  word-break: break-all;
}

.nft-detail-row .token-id,
.nft-detail-row .address,
.nft-detail-row .uri {
  font-family: 'Courier New', monospace;
  background: var(--bg-secondary);
  padding: 0.5rem;
  border-radius: 8px;
  font-size: 0.8rem;
}

@media (min-width: 768px) {
  .modal-content {
    max-width: 600px;
  }
  
  .nft-details-container {
    flex-direction: row;
    align-items: flex-start;
  }
  
  .nft-details-image {
    flex: 1;
    min-width: 250px;
  }
  
  .nft-details-info {
    flex: 1;
  }
  
  .nft-detail-row {
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .nft-detail-row label {
    min-width: 80px;
    flex-shrink: 0;
  }
  
  .nft-detail-row span {
    flex: 1;
  }
}

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

@keyframes modalSlideIn {
  from {
    transform: translateY(-50px) scale(0.9);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

/* Settings Panel */
.settings-panel {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100%;
  background: var(--bg-primary);
  border-left: 1px solid var(--border-color);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 999;
  box-shadow: -10px 0 30px rgba(0,0,0,0.2);
  backdrop-filter: blur(10px);
}

.settings-panel.active {
  right: 0;
}

.settings-panel.hidden {
  display: none;
}

.settings-content {
  padding: 2rem 1.5rem;
  height: 100%;
  overflow-y: auto;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.wallet-section {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.wallet-section .setting-item {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
}

.wallet-section .setting-item label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.settings-options {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.setting-item label {
  font-weight: 600;
  color: var(--text-secondary);
}

.setting-item select, .setting-item input[type="checkbox"] {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.toast {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1rem 1.5rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 320px;
  animation: slideIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  backdrop-filter: blur(10px);
  border: 2px solid var(--border-color);
}

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

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

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

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

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

/* Responsive Design */
@media (max-width: 768px) {
  .screen {
    padding: 1rem;
  }
  
  .header {
    padding: 1rem;
  }
  
  .tab-content {
    padding: 1rem;
  }
  
  .nav-tab span {
    display: none;
  }
  
  .balance-card {
    padding: 1.5rem;
  }
  
  .balance-amount {
    font-size: 2rem;
  }
  
  .quick-actions {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .settings-panel {
    width: 100%;
    right: -100%;
  }
  
  .modal-content {
    width: 95%;
    padding: 1.5rem;
  }
  
  .toast-container {
    top: 1rem;
    right: 1rem;
    left: 1rem;
  }
  
  .toast {
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .welcome-actions {
    gap: 0.75rem;
  }
  
  .btn {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
  }
  
  .balance-details {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .share-buttons {
    flex-direction: column;
  }
  
  .fee-editor {
    flex-direction: column;
  }
}

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

/* Custom RPC Setting */
#custom-rpc-setting {
    margin-top: 10px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

#custom-rpc-setting label {
    display: block;
    margin-bottom: 8px;
    color: #e0e0e0;
    font-size: 14px;
    font-weight: 500;
}

#custom-rpc-input {
    width: 100%;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: #ffffff;
    font-size: 14px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

#custom-rpc-input:focus {
    outline: none;
    border-color: #4CAF50;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

#custom-rpc-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

#custom-rpc-setting small {
    display: block;
    margin-top: 5px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
}

/* Wallet Actions */
.wallet-actions {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.wallet-action-btn {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.wallet-action-btn i {
    font-size: 16px;
}

.wallet-action-btn.btn-primary {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.wallet-action-btn.btn-primary:hover {
    background: linear-gradient(135deg, #45a049, #3d8b40);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.4);
}

.wallet-action-btn.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.wallet-action-btn.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

/* Settings Footer */
.settings-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.settings-footer .community-links h4 {
    color: #4CAF50;
    margin: 0 0 15px 0;
    font-size: 16px;
    font-weight: 600;
}

.settings-footer .community-links ul {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.settings-footer .community-links li {
    position: relative;
    margin-bottom: 8px;
}

.settings-footer .community-links li::before {
    content: '•';
    color: #4CAF50;
    margin-right: 8px;
    font-weight: bold;
}

.settings-footer .community-links a {
    color: #e0e0e0;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.settings-footer .community-links a:hover {
    color: #4CAF50;
}

.settings-footer .footer-attribution {
    text-align: center;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.settings-footer .footer-attribution p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

.settings-footer .footer-attribution a {
    color: #4CAF50;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.settings-footer .footer-attribution a:hover {
    color: #66BB6A;
    text-shadow: 0 0 10px rgba(76, 175, 80, 0.3);
}

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

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }
.text-muted { color: var(--text-muted); }