/* =============================================================================
   Devolvo - Modern Dark Fintech Design System
   Inspired by modern SaaS applications with emerald accent colors
   ============================================================================= */

/* =============================================================================
   CSS Custom Properties (Theme Variables)
   ============================================================================= */
:root {
  /* Primary Colors - Emerald */
  --primary: #059669;
  --primary-hover: #047857;
  --primary-light: rgba(5, 150, 105, 0.1);
  --primary-foreground: #ffffff;
  
  /* Secondary Colors - Emerald lighter */
  --secondary: #10b981;
  --secondary-hover: #059669;
  --secondary-light: rgba(16, 185, 129, 0.1);
  --secondary-foreground: #ffffff;
  
  /* Background Colors - Dark Theme */
  --background: #1e1e2f;
  --background-secondary: #252540;
  --background-tertiary: #2d2d4a;
  
  /* Foreground / Text Colors */
  --foreground: #f1f5f9;
  --foreground-muted: #94a3b8;
  --foreground-subtle: #64748b;
  
  /* Card & Surface Colors */
  --card: #252540;
  --card-hover: #2d2d4a;
  --card-foreground: #f1f5f9;
  
  /* Border Colors */
  --border: #374151;
  --border-light: #4b5563;
  
  /* Sidebar Colors */
  --sidebar: #1a1a2e;
  --sidebar-foreground: #f1f5f9;
  --sidebar-muted: #94a3b8;
  --sidebar-border: #2d2d4a;
  --sidebar-hover: #252540;
  --sidebar-active: var(--primary);
  
  /* Status Colors */
  --success: #22c55e;
  --success-light: rgba(34, 197, 94, 0.15);
  --success-foreground: #166534;
  
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.15);
  --warning-foreground: #92400e;
  
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  --danger-foreground: #991b1b;
  
  --info: #3b82f6;
  --info-light: rgba(59, 130, 246, 0.15);
  --info-foreground: #1e40af;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Layout */
  --sidebar-width: 16rem;
  --header-height: 4rem;
}

/* =============================================================================
   Base Styles & Reset
   ============================================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  min-height: 100vh;
}

/* =============================================================================
   Typography
   ============================================================================= */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--foreground);
  line-height: 1.3;
  margin-bottom: var(--space-4);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  margin-bottom: var(--space-4);
  color: var(--foreground-muted);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--secondary);
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--background-tertiary);
  color: var(--secondary);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
}

small {
  font-size: 0.875rem;
  color: var(--foreground-muted);
}

/* =============================================================================
   Layout - Sidebar Structure
   ============================================================================= */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.app-sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar);
  border-right: 1px solid var(--sidebar-border);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: transform var(--transition-base);
}

.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  background: var(--background);
}

.app-content {
  padding: var(--space-6);
  max-width: 1600px;
}

/* =============================================================================
   Sidebar Components
   ============================================================================= */
.sidebar-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--sidebar-foreground);
}

.sidebar-brand-icon {
  width: 2rem;
  height: 2rem;
  background: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-foreground);
  font-size: 1rem;
}

.sidebar-brand-text {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--sidebar-foreground);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4);
  overflow-y: auto;
}

.sidebar-nav-section {
  margin-bottom: var(--space-6);
}

.sidebar-nav-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sidebar-muted);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-2);
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--sidebar-foreground);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  margin-bottom: var(--space-1);
}

.sidebar-nav-item:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-foreground);
}

.sidebar-nav-item.active {
  background: var(--sidebar-active);
  color: var(--primary-foreground);
}

.sidebar-nav-item i,
.sidebar-nav-item svg {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  opacity: 0.8;
}

.sidebar-nav-item.active i,
.sidebar-nav-item.active svg {
  opacity: 1;
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--sidebar-border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--sidebar-foreground);
  transition: background var(--transition-fast);
}

.sidebar-user:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-foreground);
}

.sidebar-user-avatar {
  width: 2.25rem;
  height: 2.25rem;
  background: var(--primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-foreground);
  font-size: 0.875rem;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--sidebar-foreground);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-email {
  font-size: 0.75rem;
  color: var(--sidebar-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* =============================================================================
   Cards
   ============================================================================= */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--card-foreground);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card-title i {
  color: var(--primary);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border);
  background: var(--background-secondary);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* =============================================================================
   KPI / Stats Cards
   ============================================================================= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-base);
}

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

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.stat-card-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground-muted);
}

.stat-card-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.stat-card-icon.primary {
  background: var(--primary-light);
  color: var(--primary);
}

.stat-card-icon.warning {
  background: var(--warning-light);
  color: var(--warning);
}

.stat-card-icon.success {
  background: var(--success-light);
  color: var(--success);
}

.stat-card-icon.danger {
  background: var(--danger-light);
  color: var(--danger);
}

.stat-card-icon.info {
  background: var(--info-light);
  color: var(--info);
}

.stat-card-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--foreground);
  line-height: 1.2;
}

.stat-card-subtitle {
  font-size: 0.75rem;
  color: var(--foreground-muted);
  margin-top: var(--space-1);
}

/* =============================================================================
   Tables
   ============================================================================= */
.table-container {
  background: var(--card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table,
table.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  background: var(--card) !important;
  color: var(--foreground) !important;
  margin-bottom: 0 !important;
  --bs-table-bg: var(--card);
  --bs-table-color: var(--foreground);
  --bs-table-border-color: var(--border);
  --bs-table-striped-bg: var(--background-secondary);
  --bs-table-hover-bg: var(--background-secondary);
}

.table thead,
table.table thead {
  background: var(--background-secondary) !important;
}

.table thead tr,
table.table thead tr {
  background: var(--background-secondary) !important;
}

.table th,
table.table th {
  padding: var(--space-4) var(--space-5) !important;
  text-align: left;
  font-weight: 600 !important;
  font-size: 0.75rem !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--foreground-muted) !important;
  background: var(--background-secondary) !important;
  border-bottom: 1px solid var(--border) !important;
  border-top: none !important;
  white-space: nowrap;
}

.table td,
table.table td {
  padding: var(--space-4) var(--space-5) !important;
  border-bottom: 1px solid var(--border) !important;
  border-top: none !important;
  color: var(--foreground) !important;
  background: transparent !important;
  vertical-align: middle;
}

.table tbody,
table.table tbody {
  background: var(--card) !important;
}

.table tbody tr,
table.table tbody tr {
  background: var(--card) !important;
  transition: background var(--transition-fast);
}

.table tbody tr:hover,
table.table tbody tr:hover {
  background: var(--background-secondary) !important;
}

.table tbody tr:last-child td,
table.table tbody tr:last-child td {
  border-bottom: none !important;
}

/* Table text styles */
.table .text-mono,
code.text-mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--secondary) !important;
  background: var(--background-tertiary) !important;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.table .text-muted {
  color: var(--foreground-muted) !important;
}

.table .text-success {
  color: var(--success) !important;
  font-weight: 600;
}

.table .text-danger {
  color: var(--danger) !important;
}

.table .text-warning {
  color: var(--warning) !important;
}

/* Override Bootstrap table variants */
.table-light,
.table-hover tbody tr:hover > * {
  background: var(--background-secondary) !important;
  --bs-table-bg-state: var(--background-secondary);
}

/* =============================================================================
   Badges
   ============================================================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

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

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

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

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

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

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

.badge-muted {
  background: var(--background-tertiary);
  color: var(--foreground-muted);
}

/* Status-specific badges */
.badge-open {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.badge-won {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
}

.badge-lost {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

.badge-refunded {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.badge-claim {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.badge-chargeback {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

/* =============================================================================
   Buttons
   ============================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

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

.btn i {
  font-size: 0.875rem;
}

/* Primary button */
.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--primary-foreground);
}

/* Secondary button */
.btn-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
  border-color: var(--secondary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--secondary-hover);
  border-color: var(--secondary-hover);
  color: var(--secondary-foreground);
}

/* Outline button */
.btn-outline {
  background: transparent;
  color: var(--foreground);
  border-color: var(--border);
}

.btn-outline:hover:not(:disabled) {
  background: var(--background-secondary);
  border-color: var(--border-light);
  color: var(--foreground);
}

/* Ghost button */
.btn-ghost {
  background: transparent;
  color: var(--foreground-muted);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--background-secondary);
  color: var(--foreground);
}

/* Danger button */
.btn-danger {
  background: var(--danger);
  color: #ffffff;
  border-color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
  border-color: #dc2626;
  color: #ffffff;
}

/* Success button */
.btn-success {
  background: var(--success);
  color: #ffffff;
  border-color: var(--success);
}

.btn-success:hover:not(:disabled) {
  background: #16a34a;
  border-color: #16a34a;
  color: #ffffff;
}

/* Button sizes */
.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: 0.8125rem;
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: 1rem;
}

/* =============================================================================
   Forms
   ============================================================================= */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: var(--space-2);
}

.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--background-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--foreground);
  font-size: 0.875rem;
  font-family: inherit;
  transition: all var(--transition-fast);
}

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

.form-control::placeholder {
  color: var(--foreground-subtle);
}

.form-control:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 1rem;
  padding-right: var(--space-10);
}

.form-text {
  font-size: 0.75rem;
  color: var(--foreground-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: 0.75rem;
  color: var(--danger);
  margin-top: var(--space-1);
}

/* Input with icon */
.input-icon-wrapper {
  position: relative;
}

.input-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--foreground-muted);
  pointer-events: none;
}

.input-icon-wrapper .form-control {
  padding-left: var(--space-10);
}

/* =============================================================================
   Alerts
   ============================================================================= */
.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.alert i {
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.alert-success {
  background: var(--success-light);
  border-color: rgba(34, 197, 94, 0.3);
  color: #4ade80;
}

.alert-warning {
  background: var(--warning-light);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}

.alert-danger {
  background: var(--danger-light);
  border-color: rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.alert-info {
  background: var(--info-light);
  border-color: rgba(59, 130, 246, 0.3);
  color: #60a5fa;
}

.alert-dismissible {
  padding-right: var(--space-10);
  position: relative;
}

.alert-dismissible .btn-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: transparent;
  border: none;
  color: inherit;
  opacity: 0.7;
  cursor: pointer;
  padding: var(--space-1);
}

.alert-dismissible .btn-close:hover {
  opacity: 1;
}

/* =============================================================================
   Pagination
   ============================================================================= */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0 0;
}

.pagination .page-item {
  display: inline-flex;
}

.pagination .page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground-muted);
  background: var(--card);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.pagination .page-link:hover {
  background: var(--background-secondary);
  color: var(--foreground);
  border-color: var(--border-light);
}

.pagination .page-item.active .page-link {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.pagination .page-item.disabled .page-link {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* =============================================================================
   Empty States
   ============================================================================= */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
  width: 5rem;
  height: 5rem;
  background: var(--background-secondary);
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.empty-state-icon i {
  font-size: 2rem;
  color: var(--foreground-muted);
}

.empty-state-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: var(--space-2);
}

.empty-state-text {
  color: var(--foreground-muted);
  margin-bottom: var(--space-6);
  max-width: 24rem;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================================================
   Dropdowns
   ============================================================================= */
.dropdown-menu {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  min-width: 12rem;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--foreground);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--background-secondary);
  color: var(--foreground);
}

.dropdown-item.active {
  background: var(--primary-light);
  color: var(--primary);
}

.dropdown-item i {
  color: var(--foreground-muted);
  width: 1rem;
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-2) 0;
}

/* =============================================================================
   Modals
   ============================================================================= */
.modal-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.modal-title i {
  color: var(--primary);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

.modal-backdrop {
  background: rgba(0, 0, 0, 0.7);
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--foreground-muted);
  cursor: pointer;
  padding: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-close:hover {
  background: var(--background-secondary);
  color: var(--foreground);
}

.btn-close::before {
  content: '×';
  font-size: 1.5rem;
  line-height: 1;
}

/* =============================================================================
   Login Page
   ============================================================================= */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--background) 0%, #0f1419 100%);
  position: relative;
  overflow: hidden;
}

.login-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(5, 150, 105, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  width: 100%;
  max-width: 24rem;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-xl);
}

.login-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.login-logo {
  width: 4rem;
  height: 4rem;
  background: var(--primary);
  border-radius: var(--radius-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.login-logo i {
  font-size: 1.75rem;
  color: var(--primary-foreground);
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: var(--space-2);
}

.login-subtitle {
  color: var(--foreground-muted);
  font-size: 0.875rem;
}

/* =============================================================================
   Page Header
   ============================================================================= */
.page-header {
  margin-bottom: var(--space-6);
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.page-title i {
  color: var(--primary);
}

.page-subtitle {
  color: var(--foreground-muted);
  font-size: 0.875rem;
  margin: 0;
}

/* =============================================================================
   Utility Classes
   ============================================================================= */
.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-info { color: var(--info) !important; }
.text-muted { color: var(--foreground-muted) !important; }
.text-foreground { color: var(--foreground) !important; }

.bg-primary { background: var(--primary) !important; }
.bg-secondary { background: var(--secondary) !important; }
.bg-success { background: var(--success) !important; }
.bg-warning { background: var(--warning) !important; }
.bg-danger { background: var(--danger) !important; }
.bg-card { background: var(--card) !important; }

.fw-medium { font-weight: 500; }
.fw-semibold { font-weight: 600; }
.fw-bold { font-weight: 700; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Flex utilities */
.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* Spacing utilities */
.m-0 { margin: 0 !important; }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.me-2 { margin-right: var(--space-2); }
.me-3 { margin-right: var(--space-3); }
.ms-2 { margin-left: var(--space-2); }
.ms-auto { margin-left: auto; }

.p-0 { padding: 0 !important; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }

/* Width utilities */
.w-100 { width: 100%; }
.w-auto { width: auto; }

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

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

.fade-in {
  animation: fadeIn 0.3s ease-out forwards;
}

.slide-in-left {
  animation: slideInLeft 0.3s ease-out forwards;
}

/* Stagger animation delays */
.fade-in-1 { animation-delay: 0.05s; }
.fade-in-2 { animation-delay: 0.1s; }
.fade-in-3 { animation-delay: 0.15s; }
.fade-in-4 { animation-delay: 0.2s; }
.fade-in-5 { animation-delay: 0.25s; }

/* =============================================================================
   Responsive Design
   ============================================================================= */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 14rem;
  }
}

@media (max-width: 768px) {
  .app-sidebar {
    transform: translateX(-100%);
    width: 16rem;
  }
  
  .app-sidebar.open {
    transform: translateX(0);
  }
  
  .app-main {
    margin-left: 0;
  }
  
  .app-content {
    padding: var(--space-4);
  }
  
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .page-title {
    font-size: 1.25rem;
  }
  
  .table-container {
    overflow-x: auto;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .login-card {
    padding: var(--space-6);
    margin: var(--space-4);
    max-width: none;
  }
}

/* =============================================================================
   Mobile Menu Toggle
   ============================================================================= */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 1001;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--foreground);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
}

/* =============================================================================
   Scrollbar Styling
   ============================================================================= */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

/* =============================================================================
   Bootstrap Overrides
   ============================================================================= */
.navbar { display: none !important; }

.container-fluid {
  max-width: 100%;
  padding: 0;
}

/* Override Bootstrap colors */
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }
.text-muted { color: var(--foreground-muted) !important; }

.bg-primary { background-color: var(--primary) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-danger { background-color: var(--danger) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-info { background-color: var(--info) !important; }
.bg-secondary { background-color: var(--background-secondary) !important; }
.bg-light { background-color: var(--background-tertiary) !important; }

/* Fix Bootstrap form-control */
.form-control {
  background-color: var(--background-secondary) !important;
  border-color: var(--border) !important;
  color: var(--foreground) !important;
}

.form-control:focus {
  background-color: var(--background-secondary) !important;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px var(--primary-light) !important;
  color: var(--foreground) !important;
}

.form-select {
  background-color: var(--background-secondary) !important;
  border-color: var(--border) !important;
  color: var(--foreground) !important;
}

/* Bootstrap alert overrides */
.alert-success {
  background: var(--success-light) !important;
  border-color: rgba(34, 197, 94, 0.3) !important;
  color: #4ade80 !important;
}

.alert-danger, .alert-error {
  background: var(--danger-light) !important;
  border-color: rgba(239, 68, 68, 0.3) !important;
  color: #f87171 !important;
}

.alert-warning {
  background: var(--warning-light) !important;
  border-color: rgba(245, 158, 11, 0.3) !important;
  color: #fbbf24 !important;
}

.alert-info {
  background: var(--info-light) !important;
  border-color: rgba(59, 130, 246, 0.3) !important;
  color: #60a5fa !important;
}

/* Fix card backgrounds */
.card {
  background: var(--card) !important;
  border-color: var(--border) !important;
}

.card-header {
  background: var(--background-secondary) !important;
  border-color: var(--border) !important;
}

/* Fix Bootstrap tables - comprehensive override */
.table,
.table-hover,
.table-striped {
  --bs-table-bg: var(--card) !important;
  --bs-table-color: var(--foreground) !important;
  --bs-table-border-color: var(--border) !important;
  --bs-table-striped-bg: var(--background-secondary) !important;
  --bs-table-striped-color: var(--foreground) !important;
  --bs-table-hover-bg: var(--background-secondary) !important;
  --bs-table-hover-color: var(--foreground) !important;
  background-color: var(--card) !important;
  color: var(--foreground) !important;
}

.table > :not(caption) > * > * {
  background-color: var(--card) !important;
  border-bottom-color: var(--border) !important;
  color: var(--foreground) !important;
}

.table > thead {
  background-color: var(--background-secondary) !important;
}

.table > thead > tr > th {
  background-color: var(--background-secondary) !important;
  color: var(--foreground-muted) !important;
  border-bottom-color: var(--border) !important;
}

.table > tbody > tr {
  background-color: var(--card) !important;
}

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

.table > tbody > tr > td {
  background-color: transparent !important;
  color: var(--foreground) !important;
}

.table-responsive {
  border-radius: var(--radius-lg);
  background: var(--card) !important;
}

/* Fix modal backdrop */
.modal-backdrop.show {
  opacity: 0.7;
}