/* ==========================================================================
   Modern Minimalist Design System inspired by NextEra Energy
   ========================================================================== */

/* CSS Variables -  */
:root {
  /* Primary Brand Colors - War Red Theme */
  --acn-primary: #BF0000;
  --acn-primary-light: #E60000;
  --acn-primary-dark: #8B0000;
  --acn-primary-bg: rgba(191, 0, 0, 0.05);
  --acn-primary-hover: rgba(191, 0, 0, 0.08);

  --acn-secondary: #F57C00;
  --acn-secondary-light: #FFA726;
  --acn-secondary-dark: #E65100;
  --acn-secondary-bg: rgba(245, 124, 0, 0.05);

  --acn-success: #2E7D32;
  --acn-success-light: #4CAF50;
  --acn-success-bg: rgba(46, 125, 50, 0.08);

  --acn-warning: #F57C00;
  --acn-warning-light: #FFA726;
  --acn-warning-bg: rgba(245, 124, 0, 0.08);

  --acn-danger: #BF0000;
  --acn-danger-light: #E60000;
  --acn-danger-bg: rgba(191, 0, 0, 0.08);

  --acn-info: #0277BD;
  --acn-info-light: #03A9F4;
  --acn-info-bg: rgba(2, 119, 189, 0.08);

  --acn-white: #FFFFFF;
  --acn-gray-50: #F8F8F8;
  --acn-gray-100: #F0F0F0;
  --acn-gray-200: #E0E0E0;
  --acn-gray-300: #BDBDBD;
  --acn-gray-400: #9E9E9E;
  --acn-gray-500: #757575;
  --acn-gray-600: #616161;
  --acn-gray-700: #424242;
  --acn-gray-800: #303030;
  --acn-gray-900: #212121;

  --acn-bg-primary: #FFFFFF;
  --acn-bg-secondary: #F8F8F8;
  --acn-bg-dark: #F0F0F0;
  --acn-bg-card: #FFFFFF;
  --acn-bg-overlay: rgba(0, 0, 0, 0.5);

  --acn-text-primary: #212121;
  --acn-text-secondary: #757575;
  --acn-text-tertiary: #9E9E9E;
  --acn-text-inverse: #FFFFFF;
  --acn-text-link: var(--acn-primary);
  --acn-text-link-hover: var(--acn-primary-light);

  --acn-border-light: #E0E0E0;
  --acn-border-medium: #BDBDBD;
  --acn-border-dark: #9E9E9E;

  --acn-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --acn-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --acn-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  --acn-shadow-copper: 0 4px 12px rgba(191, 0, 0, 0.15);
  --acn-shadow-none: none;

  /* Spacing System - Spacing Scale */
  --acn-space-xs: 4px;
  --acn-space-sm: 8px;
  --acn-space-md: 16px;
  --acn-space-lg: 24px;
  --acn-space-xl: 32px;
  --acn-space-2xl: 48px;
  --acn-space-3xl: 64px;
  --acn-space-4xl: 80px;

  /* Border Radius - Minimal Border Radius */
  --acn-radius-none: 0;
  --acn-radius-sm: 4px;
  --acn-radius-md: 8px;
  --acn-radius-lg: 12px;
  --acn-radius-xl: 16px;
  --acn-radius-full: 50%;

  /* Animation - Smooth Micro-interactions */
  --acn-transition-fast: 0.15s;
  --acn-transition-normal: 0.25s;
  --acn-transition-slow: 0.35s;
  --acn-ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --acn-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography System */
  --acn-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --acn-font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;

  /* Font Sizes */
  --acn-text-xs: 12px;
  --acn-text-sm: 14px;
  --acn-text-base: 16px;
  --acn-text-lg: 18px;
  --acn-text-xl: 20px;
  --acn-text-2xl: 24px;
  --acn-text-3xl: 30px;
  --acn-text-4xl: 36px;

  /* Font Weights */
  --acn-font-light: 300;
  --acn-font-normal: 400;
  --acn-font-medium: 500;
  --acn-font-semibold: 600;
  --acn-font-bold: 700;

  /* Line Heights */
  --acn-leading-tight: 1.25;
  --acn-leading-normal: 1.5;
  --acn-leading-relaxed: 1.75;

  /* Breakpoints - Responsive Breakpoints */
  --acn-breakpoint-sm: 640px;
  --acn-breakpoint-md: 768px;
  --acn-breakpoint-lg: 1024px;
  --acn-breakpoint-xl: 1280px;

  /* Z-index Levels */
  --acn-z-base: 0;
  --acn-z-dropdown: 1000;
  --acn-z-sticky: 1020;
  --acn-z-fixed: 1030;
  --acn-z-modal: 10000;
  --acn-z-popover: 1050;
  --acn-z-tooltip: 1060;
  --acn-z-toast: 9999;
}

/* ==========================================================================
   Global Base Styles - Modern Reset + Accenture Aesthetics
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: auto;
}

html,
body {
  font-family: var(--acn-font-family);
  background-color: var(--acn-bg-primary);
  color: var(--acn-text-primary);
  line-height: var(--acn-leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

@media (min-width: 1024px) and (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* Link Styles */
a {
  color: var(--acn-text-link);
  text-decoration: none;
  transition: color var(--acn-transition-normal) var(--acn-ease-out);
}

a:hover {
  color: var(--acn-text-link-hover);
}

a:focus {
  outline: 2px solid var(--acn-primary);
  outline-offset: 2px;
}

/* Form Element Base Styles */
input,
textarea,
select,
button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  transition: all var(--acn-transition-normal) var(--acn-ease-out);
}

button:focus {
  outline: 2px solid var(--acn-primary);
  outline-offset: 2px;
}

/* Image Optimization */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   Text Color Utilities
   ========================================================================== */

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

/* ==========================================================================
   Loading Mask - Modern Overlay
   ========================================================================== */

.loading-mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--acn-bg-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--acn-z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--acn-transition-normal) var(--acn-ease-out);
}

.loading-mask.show {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--acn-gray-300);
  border-top-color: var(--acn-primary);
  border-radius: var(--acn-radius-full);
  animation: spin 1s linear infinite;
}

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

/* ==========================================================================
   Navigation Bar Styles - Gradient Unified System
   ========================================================================== */

/* Header Navigation -  */
.top-header {
  background: linear-gradient(180deg, rgba(135, 206, 235, 0.95) 0%, rgba(70, 130, 180, 0.9) 100%) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3) !important;
  box-shadow: 0 4px 20px rgba(135, 206, 235, 0.4) !important;
}

/* Header Navigation Text Style Adjustments */
.brand-logo h1 {
  color: #ffffff !important;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3) !important;
}

.balance-label {
  color: #000000 !important;
}

.balance-amount {
  color: #ffffff !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
}

/* ==========================================================================
   Unified Bottom Navigation - White Background, Black Icons, Red When Active
   Unified Bottom Navigation - White Background, Black Icons, Red When Active
   ========================================================================== */

.bottom-navigation {
  position: fixed !important;
  bottom: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 70px !important;
  background: #FFFFFF !important;
  border-top: 1px solid #E0E0E0 !important;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.06) !important;
  z-index: 9999 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-around !important;
  padding: 8px 0 !important;
}

.nav-item {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 8px !important;
  color: #757575 !important;
  font-size: 11px !important;
  font-weight: 500 !important;
  transition: all 0.3s ease !important;
  cursor: pointer !important;
  position: relative !important;
  text-decoration: none !important;
  min-width: 60px !important;
  min-height: 54px !important;
  border-radius: 8px !important;
  gap: 2px !important;
}

.nav-item:hover {
    background-color: rgba(135, 206, 235, 0.1) !important;
    color: #87CEEB !important;
    transform: translateY(-1px) !important;
}

.nav-item.active {
    color: #FFFFFF !important;
    background: linear-gradient(135deg, #87CEEB 0%, #AFB4E6 100%) !important;
}

.nav-icon {
  width: 24px !important;
  height: 24px !important;
  stroke: currentColor !important;
  fill: currentColor !important;
  stroke-width: 2 !important;
  color: inherit !important;
}

.nav-label {
  display: block !important;
  font-size: 10px !important;
  margin-top: 2px !important;
  font-weight: 500 !important;
  color: inherit !important;
}

/* Mobile Responsive Optimization */
@media (max-width: 640px) {
  .bottom-navigation {
    height: 65px !important;
    padding: 6px 0 !important;
  }

  .nav-item {
    min-width: 50px !important;
    min-height: 48px !important;
    padding: 6px 4px !important;
    font-size: 10px !important;
    gap: 2px !important;
  }

  .nav-icon {
    width: 22px !important;
    height: 22px !important;
  }

  .nav-label {
    font-size: 9px !important;
    margin-top: 1px !important;
  }
}





/* ==========================================================================
   Form Button - Modern Button Design
   ========================================================================== */

.form-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--acn-space-md) var(--acn-space-xl);
  background-color: var(--acn-primary);
  color: var(--acn-white);
  border: 1px solid var(--acn-primary);
  border-radius: var(--acn-radius-md);
  font-size: var(--acn-text-base);
  font-weight: var(--acn-font-semibold);
  font-family: var(--acn-font-family);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--acn-transition-normal) var(--acn-ease-out);
  min-height: 48px;
  line-height: 1;
  gap: var(--acn-space-sm);
  box-shadow: var(--acn-shadow-none);
}

.form-button:hover {
  background-color: var(--acn-primary-dark);
  border-color: var(--acn-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--acn-shadow-md);
}

.form-button:active {
  transform: translateY(0);
}

.form-button:disabled {
  background-color: var(--acn-gray-400);
  border-color: var(--acn-gray-400);
  color: var(--acn-white);
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--acn-shadow-none);
}

/* ==========================================================================
   Toast Message Notifications - Modern Notification System
   ========================================================================== */

.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-100%);
  background: var(--acn-bg-card);
  color: var(--acn-text-primary);
  padding: var(--acn-space-lg) var(--acn-space-xl);
  border-radius: var(--acn-radius-md);
  border: 1px solid var(--acn-border-light);
  box-shadow: var(--acn-shadow-lg);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--acn-transition-normal) var(--acn-ease-out);
  max-width: 90%;
  text-align: center;
  font-weight: var(--acn-font-medium);
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Toast Type Styles */
.toast.success {
  background: #4CAF50;
  color: white;
  border-color: #45a049;
}

.toast.error {
  background: #f44336;
  color: white;
  border-color: #d32f2f;
}

.toast.warning {
  background: #ff9800;
  color: white;
  border-color: #f57c00;
}

.toast.info {
  background: #2196F3;
  color: white;
  border-color: #1976D2;
}

/* ==========================================================================
   Card Component - Modern Card System
   ========================================================================== */

.card {
  background-color: var(--acn-bg-card);
  border-radius: var(--acn-radius-lg);
  box-shadow: var(--acn-shadow-sm);
  border: 1px solid var(--acn-border-light);
  overflow: hidden;
  transition: all var(--acn-transition-normal) var(--acn-ease-out);
  margin-bottom: var(--acn-space-lg);
}

.card:hover {
  box-shadow: var(--acn-shadow-md);
  transform: translateY(-2px);
}

.card-header {
  padding: var(--acn-space-lg);
  border-bottom: 1px solid var(--acn-border-light);
  background-color: var(--acn-bg-secondary);
}

.card-title {
  font-size: var(--acn-text-lg);
  font-weight: var(--acn-font-semibold);
  color: var(--acn-text-primary);
  margin: 0;
}

.card-body {
  padding: var(--acn-space-lg);
}

.card-footer {
  padding: var(--acn-space-lg);
  border-top: 1px solid var(--acn-border-light);
  background-color: var(--acn-bg-secondary);
}

/* ==========================================================================
   Common Header - Modern Header Design
   ========================================================================== */

.header {
  height: 60px;
  background-color: var(--acn-bg-card);
  color: var(--acn-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-bottom: 1px solid var(--acn-border-light);
  box-shadow: var(--acn-shadow-sm);
  z-index: var(--acn-z-sticky);
}

.header-content {
  width: 100%;
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--acn-space-lg);
}

.title {
  font-size: var(--acn-text-xl);
  font-weight: var(--acn-font-semibold);
  color: var(--acn-text-primary);
  text-align: center;
  flex: 1;
}

.back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--acn-radius-md);
  background-color: transparent;
  color: var(--acn-text-secondary);
  transition: all var(--acn-transition-normal) var(--acn-ease-out);
  cursor: pointer;
  border: 1px solid var(--acn-border-light);
}

.back-btn:hover {
  background-color: var(--acn-primary-bg);
  color: var(--acn-primary);
  border-color: var(--acn-primary);
}

.back-btn svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   Modern Page Layout System
   ========================================================================== */

.page-container {
  min-height: 100vh;
  background-color: var(--acn-bg-primary);
  font-family: var(--acn-font-family);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--acn-space-lg);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--acn-space-lg);
}

.content-area {
  padding: var(--acn-space-xl) 0;
}

.content-section {
  margin-bottom: var(--acn-space-2xl);
}

/* ==========================================================================
   Spacing Utilities
   ========================================================================== */

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--acn-space-xs); }
.mt-sm { margin-top: var(--acn-space-sm); }
.mt-md { margin-top: var(--acn-space-md); }
.mt-lg { margin-top: var(--acn-space-lg); }
.mt-xl { margin-top: var(--acn-space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--acn-space-xs); }
.mb-sm { margin-bottom: var(--acn-space-sm); }
.mb-md { margin-bottom: var(--acn-space-md); }
.mb-lg { margin-bottom: var(--acn-space-lg); }
.mb-xl { margin-bottom: var(--acn-space-xl); }

.p-0 { padding: 0; }
.p-xs { padding: var(--acn-space-xs); }
.p-sm { padding: var(--acn-space-sm); }
.p-md { padding: var(--acn-space-md); }
.p-lg { padding: var(--acn-space-lg); }
.p-xl { padding: var(--acn-space-xl); }

/* ==========================================================================
   Flexbox Utilities
   ========================================================================== */

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }
.flex-1 { flex: 1; }
.flex-grow { flex-grow: 1; }
.flex-shrink { flex-shrink: 1; }

/* ==========================================================================
   Modern Button System
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--acn-space-md) var(--acn-space-lg);
  border-radius: var(--acn-radius-md);
  font-size: var(--acn-text-base);
  font-weight: var(--acn-font-medium);
  font-family: var(--acn-font-family);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--acn-transition-normal) var(--acn-ease-out);
  border: 1px solid transparent;
  min-height: 44px;
  gap: var(--acn-space-sm);
  box-shadow: var(--acn-shadow-none);
  line-height: 1;
}

.btn:focus {
  outline: 2px solid var(--acn-primary);
  outline-offset: 2px;
}

/* Button Sizes */
.btn-sm {
  padding: var(--acn-space-sm) var(--acn-space-md);
  font-size: var(--acn-text-sm);
  min-height: 36px;
}

.btn-lg {
  padding: var(--acn-space-lg) var(--acn-space-2xl);
  font-size: var(--acn-text-lg);
  min-height: 52px;
}

/* Button Style Variants */
.btn-primary {
  background-color: var(--acn-primary);
  color: var(--acn-white);
  border-color: var(--acn-primary);
}

.btn-primary:hover {
  background-color: var(--acn-primary-dark);
  border-color: var(--acn-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--acn-shadow-md);
}

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

.btn-secondary {
  background-color: var(--acn-gray-100);
  color: var(--acn-text-primary);
  border-color: var(--acn-border-light);
}

.btn-secondary:hover {
  background-color: var(--acn-gray-200);
  border-color: var(--acn-border-medium);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background-color: var(--acn-primary);
  color: var(--acn-white);
  transform: translateY(-1px);
}

.btn-ghost {
  background-color: transparent;
  color: var(--acn-text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--acn-gray-100);
  color: var(--acn-text-primary);
}

/* ==========================================================================
   Modern Form System
   ========================================================================== */

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

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

.form-control {
  width: 100%;
  padding: var(--acn-space-md);
  border: 1px solid var(--acn-border-light);
  border-radius: var(--acn-radius-md);
  background-color: var(--acn-bg-card);
  color: var(--acn-text-primary);
  font-size: var(--acn-text-base);
  font-family: var(--acn-font-family);
  transition: all var(--acn-transition-normal) var(--acn-ease-out);
  min-height: 44px;
}

.form-control:focus {
  border-color: var(--acn-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--acn-primary-bg);
}

.form-control::placeholder {
  color: var(--acn-text-tertiary);
}

/* Form Sizes */
.form-control-sm {
  padding: var(--acn-space-sm) var(--acn-space-md);
  font-size: var(--acn-text-sm);
  min-height: 36px;
}

.form-control-lg {
  padding: var(--acn-space-lg);
  font-size: var(--acn-text-lg);
  min-height: 52px;
}

/* Form Validation States */
.form-control.is-valid {
  border-color: var(--acn-success);
}

.form-control.is-valid:focus {
  box-shadow: 0 0 0 3px var(--acn-success-bg);
}

.form-control.is-invalid {
  border-color: var(--acn-danger);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px var(--acn-danger-bg);
}

.form-control:disabled {
  background-color: var(--acn-gray-100);
  color: var(--acn-text-tertiary);
  cursor: not-allowed;
}

/* ==========================================================================
   Modern List System
   ========================================================================== */

.list {
  background-color: var(--acn-bg-card);
  border-radius: var(--acn-radius-lg);
  border: 1px solid var(--acn-border-light);
  overflow: hidden;
  box-shadow: var(--acn-shadow-sm);
}

.list-item {
  padding: var(--acn-space-lg);
  border-bottom: 1px solid var(--acn-border-light);
  transition: all var(--acn-transition-normal) var(--acn-ease-out);
  cursor: pointer;
}

.list-item:hover {
  background-color: var(--acn-bg-secondary);
  transform: translateX(4px);
}

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

.list-item-content {
  display: flex;
  align-items: center;
  gap: var(--acn-space-md);
}

.list-item-title {
  font-size: var(--acn-text-base);
  font-weight: var(--acn-font-semibold);
  color: var(--acn-text-primary);
  margin-bottom: var(--acn-space-xs);
}

.list-item-subtitle {
  font-size: var(--acn-text-sm);
  color: var(--acn-text-secondary);
}

.list-item-meta {
  margin-left: auto;
  text-align: right;
}

.list-item-prefix {
  flex-shrink: 0;
}

.list-item-suffix {
  flex-shrink: 0;
  margin-left: auto;
}

.list-item-icon {
  width: 40px;
  height: 40px;
  background-color: var(--acn-primary-bg);
  color: var(--acn-primary);
  border-radius: var(--acn-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ==========================================================================
   Modern Modal System
   ========================================================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--acn-bg-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--acn-z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--acn-transition-normal) var(--acn-ease-out);
}

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

.modal-content {
  background-color: var(--acn-bg-card);
  border-radius: var(--acn-radius-lg);
  box-shadow: var(--acn-shadow-lg);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.9);
  transition: transform var(--acn-transition-normal) var(--acn-ease-out);
}

.modal.show .modal-content {
  transform: scale(1);
}

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

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

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--acn-radius-md);
  background-color: transparent;
  color: var(--acn-text-secondary);
  border: 1px solid var(--acn-border-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--acn-transition-normal) var(--acn-ease-out);
}

.modal-close:hover {
  background-color: var(--acn-gray-100);
  color: var(--acn-text-primary);
}

.modal-body {
  padding: var(--acn-space-lg);
  max-height: 60vh;
  overflow-y: auto;
}

.modal-footer {
  padding: var(--acn-space-lg);
  border-top: 1px solid var(--acn-border-light);
  display: flex;
  gap: var(--acn-space-sm);
  justify-content: flex-end;
}

/* ==========================================================================
   Empty State and Loading State
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: var(--acn-space-4xl);
  color: var(--acn-text-secondary);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--acn-space-lg);
  background-color: var(--acn-gray-100);
  border-radius: var(--acn-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--acn-text-tertiary);
}

.empty-state-title {
  font-size: var(--acn-text-xl);
  font-weight: var(--acn-font-semibold);
  color: var(--acn-text-primary);
  margin-bottom: var(--acn-space-sm);
}

.empty-state-text {
  font-size: var(--acn-text-base);
  line-height: var(--acn-leading-relaxed);
  margin-bottom: var(--acn-space-lg);
}

.empty-data {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--acn-space-4xl);
  text-align: center;
  color: var(--acn-text-secondary);
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--acn-space-4xl);
}

/* ==========================================================================
   Responsive Design Utilities
   ========================================================================== */

.hidden { display: none; }
.visible { display: block; }

/* Mobile Show/Hide */
.hidden-mobile { display: none; }
.visible-mobile { display: block; }

.hidden-desktop { display: block; }
.visible-desktop { display: none; }

/* ==========================================================================
   Responsive Breakpoint Optimization
   ========================================================================== */

/* Mobile Optimization */
@media (max-width: 640px) {
  .container {
    padding: 0 var(--acn-space-md);
  }

  .hidden-mobile { display: none !important; }
  .visible-mobile { display: block !important; }

  .nav-bar {
    height: 60px;
  }

  .nav-item {
    min-width: 60px;
    font-size: 10px;
  }

  .nav-item::before {
    width: 28px;
    height: 28px;
  }

  .modal-content {
    width: 95%;
    margin: var(--acn-space-lg);
  }
}

/* Tablet Optimization */
@media (min-width: 641px) and (max-width: 768px) {
  .nav-item {
    min-width: 70px;
  }
}

/* Desktop Optimization */
@media (min-width: 1024px) {
  .hidden-desktop { display: none !important; }
  .visible-desktop { display: block !important; }

  .container {
    padding: 0 var(--acn-space-xl);
  }

  .form-control {
    font-size: var(--acn-text-base);
  }
}

/* ==========================================================================
   Optimized Micro-interactions and Animations
   ========================================================================== */

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

/* Hover Lift Effect */
.hover-lift {
  transition: transform var(--acn-transition-normal) var(--acn-ease-out);
}

.hover-lift:hover {
  transform: translateY(-2px);
}

/* Press Effect */
.press-effect {
  transition: transform var(--acn-transition-fast) var(--acn-ease-out);
}

.press-effect:active {
  transform: translateY(1px);
}

/* Fade In Animation */
.fade-in {
  animation: fadeIn var(--acn-transition-slow) var(--acn-ease-out);
}

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

/* Slide In Animation */
.slide-in {
  animation: slideIn var(--acn-transition-slow) var(--acn-ease-out);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ==========================================================================
   Accessibility and Usability Optimization
   ========================================================================== */

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --acn-border-light: #999999;
    --acn-border-medium: #666666;
    --acn-text-secondary: #444444;
  }
}

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

/* Focus Visibility */
.focus-visible {
  outline: 2px solid var(--acn-primary);
  outline-offset: 2px;
}

/* Touch Device Optimization */
@media (pointer: coarse) {
  .btn,
  .nav-item,
  .form-control {
    min-height: 44px;
    touch-action: manipulation;
  }
}

/* Scrolling Optimization - Pause animations during scroll */
body.is-scrolling * {
  animation-play-state: paused !important;
  transition-duration: 0.05s !important;
}

/* Unified Back Button Style */
.back-button {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background-color: var(--acn-primary);
  border: none;
  border-radius: var(--acn-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--acn-transition-normal) var(--acn-ease-out);
  box-shadow: var(--acn-shadow-sm);
  z-index: 10;
}

.back-button:hover {
  background-color: var(--acn-primary-dark);
  box-shadow: var(--acn-shadow-md);
  transform: translateY(-50%) scale(1.05);
}

.back-button:active {
  transform: translateY(-50%) scale(0.95);
}

.back-button svg {
  width: 20px;
  height: 20px;
  color: #000000;  
  stroke: #000000;  
  transition: transform var(--acn-transition-fast) var(--acn-ease-out);
}

.back-button:hover svg {
  transform: translateX(-1px);
}

/* Ensure header container has relative positioning */
.header,
.page-header {
  position: relative;
}

/* Adjust title styles to accommodate back button */
.header .title,
.page-header .page-title h1,
.page-header .header-title h1 {
  text-align: center;
  width: 100%;
  padding-left: 56px; /* Leave space for back button */
  box-sizing: border-box;
}

/* ==========================================================================
   Common Header Styles - Unified Design (Green Background, White Text)
   ========================================================================== */

.common-header {
    background: linear-gradient(135deg, rgba(135, 206, 235, 0.95) 0%, rgba(175, 180, 230, 0.95) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 20px rgba(135, 206, 235, 0.3);
}

.common-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    max-width: 480px;
    margin: 0 auto;
    position: relative;
}

/* Page Title Style - White Font, Centered Display */
.common-header-title {
    color: #FFFFFF;
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    font-family: 'Inter', sans-serif;
    flex: 1;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.5px;
}

/* Header Logo Styles */
.header-logo {
    display: flex;
    align-items: center;
    width: 33.33%; /*  */
}

.logo-image {
    height: 56px;
    width: 100%;
    max-width: 140px;
    object-fit: contain;
    filter: brightness(0) drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

/* Header Center Area */
.header-center {
    width: 33.33%; /* */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Header Customer Service Button */
.header-customer-service {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    width: 33.33%; /*  */
}

.customer-service-btn {
    background: rgba(26, 26, 26, 0.15);
    border: none;
    color: #1a1a1a;
    cursor: pointer;
    padding: 8px;
    border-radius: 12px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.customer-service-btn:hover {
    background: rgba(26, 26, 26, 0.25);
    transform: translateY(-1px);
}

.customer-service-btn svg {
    stroke-width: 2;
    stroke: #1a1a1a;
}

/* Back Button Style - Adjusted for Gradient Background */
.common-header .back-button {
    position: absolute;
    left: 16px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #FFFFFF;
    cursor: pointer;
    padding: 10px;
    border-radius: 12px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.common-header .back-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.common-header .back-button svg {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
    stroke: #FFFFFF;
    color: #FFFFFF;
}

/* Common Header Responsive Design */
@media (max-width: 480px) {
    .common-header {
        padding: 16px 0;
    }
    
    .common-header-content {
        padding: 0 12px;
    }
    
    .logo-image {
        height: 46px;
        max-width: 115px;
    }
    
    .customer-service-btn {
        width: 36px;
        height: 36px;
        padding: 6px;
    }
    
    .customer-service-btn svg {
        width: 18px;
        height: 18px;
    }
    
    .common-header .back-button {
        padding: 8px;
    }
}

/* Common Header Animation Effects */
.common-header.fade-in {
    animation: headerFadeIn 0.6s ease-out forwards;
}

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

/* Ensure page content is not blocked by fixed header */
.page-container.with-common-header {
    padding-top: 0;
}

.page-container.with-common-header .main-content {
    margin-top: 0;
}