:root {
  --primary-color: #003d82;
  --primary-light: #0052a3;
  --primary-dark: #002952;
  --accent-gold: #d4af37;
  --accent-gold-light: #f4d03f;
  --secondary-color: #4a5568;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --info-color: #3b82f6;
  --dark-color: #1a202c;
  --light-bg: #f7fafc;
  --card-shadow: 0 10px 40px rgba(0, 61, 130, 0.1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--light-bg);
  color: #2d3748;
}

/* Login Page Styles */
.login-page {
  background: linear-gradient(135deg, #003d82 0%, #001f3f 50%, #000814 100%);
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 82, 163, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.hero-section {
  padding: 80px 0;
  min-height: calc(100vh - 56px);
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1;
}

.login-icon {
  font-size: 4rem;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.login-icon i {
  display: block;
}

.card {
  border-radius: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(212, 175, 55, 0.1);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(10px);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 61, 130, 0.2) !important;
}

.input-group-text {
  background-color: var(--light-bg);
  border-right: none;
  border-color: #e2e8f0;
}

.form-control {
  border-left: none;
  border-color: #e2e8f0;
  padding: 12px 16px;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 61, 130, 0.1);
}

.input-group:focus-within .input-group-text {
  border-color: var(--primary-color);
  background-color: rgba(0, 61, 130, 0.05);
}

.input-group:focus-within .form-control {
  border-color: var(--primary-color);
}

/* Feature Icons */
.feature-icon {
  font-size: 3rem;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-icon i {
  display: block;
}

/* Dashboard Styles */
.dashboard-page {
  background: linear-gradient(to bottom, var(--light-bg) 0%, #ffffff 100%);
}

.user-avatar {
  font-size: 4rem;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.user-avatar i {
  display: block;
}

.list-group-item {
  border: none;
  border-radius: 12px;
  margin-bottom: 8px;
  transition: all 0.3s ease;
  color: #4a5568;
  font-weight: 500;
}

.list-group-item:hover {
  background: linear-gradient(90deg, rgba(0, 61, 130, 0.08) 0%, transparent 100%);
  transform: translateX(5px);
  color: var(--primary-color);
}

.list-group-item.active {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-color: var(--primary-color);
  color: white;
  box-shadow: 0 4px 12px rgba(0, 61, 130, 0.3);
}

.list-group-item i {
  margin-right: 10px;
  width: 20px;
  text-align: center;
}

/* Card Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: fadeInUp 0.6s ease;
}

/* Table Styles */
.table {
  margin-bottom: 0;
}

.table thead th {
  border-bottom: 2px solid #e2e8f0;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--secondary-color);
  letter-spacing: 1px;
  padding: 16px;
  background: linear-gradient(to bottom, var(--light-bg), white);
}

.table tbody tr {
  transition: all 0.2s ease;
  border-bottom: 1px solid #f1f5f9;
}

.table tbody tr:hover {
  background: linear-gradient(90deg, rgba(0, 61, 130, 0.03) 0%, transparent 100%);
  transform: scale(1.01);
}

.table tbody td {
  padding: 16px;
  vertical-align: middle;
}

/* Navbar Styles */
.navbar {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}

.navbar-brand i {
  margin-right: 8px;
  color: var(--accent-gold);
}

.bg-primary {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%) !important;
}

/* Button Styles */
.btn {
  border-radius: 10px;
  padding: 12px 28px;
  font-weight: 600;
  transition: all 0.3s ease;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border: none;
  box-shadow: 0 4px 12px rgba(0, 61, 130, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 61, 130, 0.4);
}

.btn-light {
  background: white;
  color: var(--primary-color);
  border: 2px solid white;
  font-weight: 600;
}

.btn-light:hover {
  background: transparent;
  color: white;
  border-color: white;
  transform: translateY(-2px);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

.btn i {
  margin-right: 5px;
}

/* Badge Styles */
.badge {
  padding: 8px 14px;
  font-weight: 600;
  border-radius: 8px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-size: 0.7rem;
}

.bg-success {
  background: linear-gradient(135deg, #10b981, #059669) !important;
}

.bg-warning {
  background: linear-gradient(135deg, #f59e0b, #d97706) !important;
}

.bg-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626) !important;
}

/* Alert Styles */
.alert {
  border-radius: 12px;
  border: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.alert-info {
  background: linear-gradient(135deg, #e0f2fe, #dbeafe);
  color: #0c4a6e;
  border-left: 4px solid var(--info-color);
}

.alert-danger {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  color: #7f1d1d;
  border-left: 4px solid var(--danger-color);
}

/* Card Headers */
.card-header {
  background: linear-gradient(135deg, var(--light-bg), white) !important;
  border-bottom: 2px solid #e2e8f0;
  padding: 20px;
  font-weight: 700;
}

.card-body {
  padding: 24px;
}

/* Stats Cards */
.card.bg-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light)) !important;
  border: none;
  box-shadow: 0 8px 24px rgba(0, 61, 130, 0.3);
}

.card.bg-success {
  background: linear-gradient(135deg, #10b981, #059669) !important;
  border: none;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}

.card.bg-warning {
  background: linear-gradient(135deg, #f59e0b, #d97706) !important;
  border: none;
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
}

/* Footer */
footer {
  margin-top: auto;
  background: linear-gradient(135deg, var(--primary-dark), #000814) !important;
  border-top: 3px solid var(--accent-gold);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-section {
    padding: 40px 0;
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .lead {
    font-size: 1rem;
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Loading Animation */
.spinner-border {
  width: 3rem;
  height: 3rem;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Feature Cards */
.feature-card {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(0, 61, 130, 0.08) !important;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 61, 130, 0.15) !important;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
  transition: transform 0.3s ease;
}

/* Gold Accent Elements */
.text-gold {
  color: var(--accent-gold);
}

.border-gold {
  border-color: var(--accent-gold) !important;
}

/* Premium Look */
h1, h2, h3, h4, h5, h6 {
  color: var(--primary-dark);
  font-weight: 700;
  letter-spacing: -0.5px;
}

.display-4 {
  font-weight: 800;
  letter-spacing: -1px;
}

/* Glassmorphism Effect */
.card.shadow-lg {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Professional Spacing */
section {
  padding: 80px 0;
}

/* Smooth Transitions */
* {
  transition: color 0.2s ease, background-color 0.2s ease;
}