/* Part 1: Variables and Base Styles */
:root {
  /* Core Brand Colors */
  --brand-primary: #2C3E50;
  --brand-secondary: #34495E;
  --brand-accent: #E74C3C;
  
  /* Extended Color Palette */
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-danger: #dc3545;
  --color-info: #17a2b8;
  
  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-gray-100: #F8F9FA;
  --color-gray-200: #E9ECEF;
  --color-gray-300: #DEE2E6;
  --color-gray-400: #CED4DA;
  --color-gray-500: #ADB5BD;
  --color-gray-600: #6C757D;
  --color-gray-700: #495057;
  --color-gray-800: #343A40;
  --color-gray-900: #212529;
  --color-black: #000000;

  /* Semantic Colors */
  --text-primary: var(--color-gray-900);
  --text-secondary: var(--color-gray-600);
  --text-light: var(--color-white);
  --text-muted: var(--color-gray-500);
  
  /* Background Colors */
  --bg-primary: var(--color-white);
  --bg-secondary: var(--color-gray-100);
  --bg-tertiary: var(--color-gray-200);
  
  /* Border Colors */
  --border-color: var(--color-gray-300);
  --border-color-focus: var(--brand-primary);

  /* Component Colors */
  --btn-primary-bg: var(--brand-primary);
  --btn-primary-text: var(--color-white);
  --btn-danger-bg: var(--color-danger);
  --btn-danger-text: var(--color-white);
  --btn-warning-bg: var(--color-warning);
  --btn-warning-text: var(--color-gray-900);

  /* Layout */
  --sidebar-width: 250px;
  --header-height: 60px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-base: all 0.2s ease-in-out;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 2.5rem;
}

/* Dark Mode Variables */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: var(--color-gray-900);
    --bg-secondary: var(--color-gray-800);
    --bg-tertiary: var(--color-gray-700);
    
    --text-primary: var(--color-gray-100);
    --text-secondary: var(--color-gray-300);
    --text-muted: var(--color-gray-400);
    
    --border-color: var(--color-gray-700);
  }
}

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

body {
  font-family: 'SF Pro Text', -apple-system, BlinkMacSystemFont, "Segoe UI", 
               Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* Layout Components */
.app-container {
  display: flex;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--space-4);
  background-color: var(--bg-primary);
  min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--brand-primary);
  color: var(--text-light);
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.sidebar-content {
  padding: var(--space-4) 0;
}

.logo {
  padding: var(--space-4);
  margin-bottom: var(--space-5);
  text-align: center;
}

.nav-section {
  padding: var(--space-2) var(--space-4);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-top: var(--space-4);
}

.nav-item {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition-base);
  gap: var(--space-3);
}

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

.nav-item.active {
  background-color: var(--brand-accent);
}
/* Component Styles */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
  gap: var(--space-2);
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}

.btn-primary:hover {
  background-color: var(--brand-secondary);
}

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

.btn-warning {
  background-color: var(--btn-warning-bg);
  color: var(--btn-warning-text);
}

.btn-block {
  width: 100%;
}

/* Cards */
.card {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-4);
}

.card-body {
  padding: var(--space-4);
}

.card-title {
  margin-bottom: var(--space-3);
  font-weight: 600;
}

.card-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
}

/* Forms */
.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: var(--space-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: var(--transition-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--border-color-focus);
  box-shadow: 0 0 0 2px rgba(44, 62, 80, 0.1);
}

.form-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--space-1);
}

/* Alerts */
.alert {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  border: 1px solid transparent;
}

.alert-success {
  background-color: var(--color-success);
  color: var(--text-light);
}

.alert-danger {
  background-color: var(--color-danger);
  color: var(--text-light);
}

.alert-warning {
  background-color: var(--color-warning);
  color: var(--text-primary);
}

.alert-info {
  background-color: var(--color-info);
  color: var(--text-light);
}

/* Badges */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.badge.success {
  background-color: var(--color-success);
  color: var(--text-light);
}

.badge.warning {
  background-color: var(--color-warning);
  color: var(--text-primary);
}

.badge.danger {
  background-color: var(--color-danger);
  color: var(--text-light);
}

.badge.info {
  background-color: var(--color-info);
  color: var(--text-light);
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  margin-bottom: var(--space-4);
  border-collapse: collapse;
}

.table th,
.table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.table th {
  font-weight: 600;
  background-color: var(--bg-tertiary);
}

.table tbody tr:hover {
  background-color: var(--bg-secondary);
}

/* List Groups */
.list-group {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.list-group-item {
  padding: var(--space-3);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.list-group-item:not(:last-child) {
  border-bottom: none;
}

/* Mobile Header */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--brand-primary);
  color: var(--text-light);
  padding: 0 var(--space-4);
  z-index: 1000;
  align-items: center;
}

/* Pattern CAPTCHA */
.pattern-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  max-width: 300px;
  margin: 0 auto;
}

.pattern-item {
  aspect-ratio: 1;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  transition: var(--transition-base);
  background-color: var(--bg-primary);
}

.pattern-item:hover {
  border-color: var(--brand-primary);
  background-color: var(--bg-secondary);
}

.pattern-item.selected {
  background-color: var(--bg-tertiary);
  border-color: var(--brand-primary);
  transform: scale(0.95);
}

.pattern-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1050;
}

.modal.show {
  display: block;
}

.modal-dialog {
  position: relative;
  width: 90%;
  max-width: 500px;
  margin: var(--space-5) auto;
}

.modal-content {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: var(--space-4);
}

.modal-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

/* Login Page Styles */
.login-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - var(--header-height));
  padding: var(--space-4);
}

.login-container {
  background: var(--bg-primary);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 400px;
}

.oauth-section {
  margin-bottom: var(--space-4);
}

.oauth-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3);
  margin-bottom: var(--space-2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: var(--transition-base);
}

/* Document Tree */
.document-tree {
  font-family: monospace;
  padding: var(--space-3);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  line-height: 1.5;
}

.tree-node {
  padding-left: var(--space-2);
  margin: var(--space-1) 0;
}

.tree-toggle {
  background: none;
  border: none;
  padding: 0 var(--space-1);
  cursor: pointer;
  color: var(--text-primary);
  width: 24px;
  text-align: center;
}

.tree-children {
  margin-left: var(--space-4);
  border-left: 1px dashed var(--border-color);
  padding-left: var(--space-2);
}

/* Loading Overlay */
.loading-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.loading-overlay.active {
  display: flex;
}

.loader {
  width: 50px;
  height: 50px;
  border: 5px solid var(--brand-primary);
  border-top: 5px solid var(--brand-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--space-3);
}

/* Utility Classes */
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }

.ml-2 { margin-left: var(--space-2); }
.mr-2 { margin-right: var(--space-2); }

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

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-header {
    display: flex;
  }

  .sidebar {
    transform: translateX(-100%);
    z-index: 1001;
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding-top: calc(var(--header-height) + var(--space-3));
  }

  .desktop-logo {
    display: none;
  }

  .mobile-logo {
    width: 32px;
    height: 32px;
  }

  .card {
    margin: var(--space-2);
  }

  .table-responsive {
    margin: 0 calc(-1 * var(--space-3));
    width: calc(100% + (2 * var(--space-3)));
  }
}

/* Logo and Header Styles */
.mobile-logo,
.desktop-logo {
  object-fit: contain;
}

.desktop-logo {
  width: 128px;
  height: 128px;
}

.app-name {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--text-light);
}

/* Balance Display */
.balance-display {
  background-color: var(--bg-secondary);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.balance-amount {
  font-size: 2rem;
  font-weight: bold;
  color: var(--brand-primary);
}

/* Service Cards */
.service-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
  transition: var(--transition-base);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
}

.tier-option {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

/* Transaction History */
.transaction-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3);
  border-bottom: 1px solid var(--border-color);
}

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

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

/* Progress Navigation */
.progress-nav {
  background: var(--bg-secondary);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin: var(--space-4) 0;
}

.progress-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--space-2);
}

/* Suggestions Container */
.suggestions-container {
  position: absolute;
  width: 100%;
  max-height: 200px;
  overflow-y: auto;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.suggestion-item {
  padding: var(--space-2);
  cursor: pointer;
  transition: var(--transition-base);
}

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

/* Member Management */
.member-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
}

.member-services {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Print Styles */
@media print {
  .sidebar,
  .mobile-header,
  .btn,
  .no-print {
    display: none !important;
  }

  .main-content {
    margin: 0 !important;
    padding: 0 !important;
  }

  body {
    background: white !important;
    color: black !important;
  }

  .card {
    box-shadow: none !important;
    border: 1px solid var(--border-color) !important;
  }

  a {
    text-decoration: none !important;
    color: black !important;
  }
}

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

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

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--brand-accent);
  outline-offset: 2px;
}

/* Ensure proper contrast in dark mode */
@media (prefers-color-scheme: dark) {
  .btn-primary {
    background-color: var(--brand-accent);
  }

  .card {
    background-color: var(--bg-secondary);
  }

  .form-control {
    background-color: var(--bg-tertiary);
    color: var(--text-light);
  }

  .table th {
    background-color: var(--brand-primary);
    color: var(--text-light);
  }
}

/* Fix any remaining compatibility issues */
.alert-dismissible {
  padding-right: 4rem;
}

.close {
  padding: var(--space-2);
  background: transparent;
  border: none;
  color: currentColor;
  opacity: 0.5;
  cursor: pointer;
}

.form-check {
  padding-left: 1.5rem;
}

.form-check-input {
  margin-left: -1.5rem;
}

/* Ensure all icons are properly styled */
.fas, .far, .fab {
  margin-right: var(--space-2);
}

/* Additional utility classes needed by Pug templates */
.w-100 { width: 100%; }
.h-100 { height: 100%; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.font-weight-bold { font-weight: bold; }

/* Static Pages - Additional Styles */
.static-page {
  max-width: 1200px;
  margin: 0 auto;
}

.hero-section {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
}

.hero-subtitle {
  color: var(--text-secondary);
  margin: var(--space-3) 0 var(--space-4);
}

.features-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
  margin: var(--space-5) 0;
}

.feature {
  padding: var(--space-4);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  text-align: center;
}

.content-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-4);
}

/* Reuse existing card styles for CTA sections */
.footer-cta {
  composes: card;
  text-align: center;
  padding: var(--space-5);
  margin-top: var(--space-5);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-section {
    padding: var(--space-4);
  }
  
  .features-section {
    grid-template-columns: 1fr;
  }
}