/* Custom styles for ICS Advisory Dashboard - Dark Theme */

:root {
  /* Dark Theme Color Palette - DHS/CISA Government Colors */
  --primary-color: #0077C8;     /* CISA Blue */
  --secondary-color: #002868;   /* DHS Navy Blue */
  --accent-color: #1e3a8a;      /* Government Blue */
  --danger-color: #dc2626;      /* Critical/Danger Red */
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --info-color: #0ea5e9;        /* Sky Blue */
  
  /* Dark Theme Background Colors - Enhanced with Slate Tones */
  --bg-primary: #0f172a;        /* Slate 900 */
  --bg-secondary: #1e293b;      /* Slate 800 */
  --bg-tertiary: #334155;       /* Slate 700 */
  --bg-card: #1e293b;           /* Slate 800 */
  --bg-hover: #334155;          /* Slate 700 */
  
  /* Dark Theme Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #1e293b;
  
  /* Border and Shadow Colors - Updated for Government Theme */
  --border-color: #475569;      /* Slate 600 */
  --border-light: #64748b;      /* Slate 500 */
  --shadow-color: rgba(0, 0, 0, 0.5);
  --shadow-hover: rgba(0, 119, 200, 0.3);  /* CISA Blue shadow */
  
  /* Legacy variables for compatibility */
  --dark-color: var(--bg-secondary);
  --light-color: var(--text-primary);
}

/* Essential fallback styles when Bootstrap CSS doesn't load */
.container, .container-fluid {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.col-12 { width: 100%; }
.col-lg-6, .col-md-6 { width: 50%; }
.col-lg-8 { width: 66.67%; }
.col-lg-4, .col-md-4 { width: 33.33%; }

.col-12, .col-lg-6, .col-md-6, .col-lg-8, .col-lg-4, .col-md-4 {
  padding: 0 15px;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .col-lg-6, .col-md-6, .col-lg-8, .col-lg-4, .col-md-4 {
    width: 100%;
    margin-bottom: 1rem;
  }
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

/* Smooth scrolling and modern touches */
html {
  scroll-behavior: smooth;
}

/* Dark theme for main container */
.main-content {
  background-color: var(--bg-primary);
  min-height: 100vh;
}

.navbar-brand {
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--text-primary) !important;
  transition: all 0.3s ease;
}

.navbar-brand:hover {
  color: var(--primary-color) !important;
  transform: translateY(-1px);
}

.page-header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
  border-radius: 0.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 10px 25px var(--shadow-color);
}

/* Essential card styling fallbacks */
.card {
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  background-color: var(--bg-card);
  color: var(--text-primary);
  box-shadow: 0 4px 6px -1px var(--shadow-color), 0 2px 4px -1px var(--shadow-color);
  transition: all 0.3s ease;
  margin-bottom: 1rem;
  backdrop-filter: blur(10px);
}

.card:hover {
  box-shadow: 0 10px 25px var(--shadow-hover), 0 4px 6px -1px var(--shadow-color);
  transform: translateY(-4px);
  border-color: var(--primary-color);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  margin-bottom: 0.75rem;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.card-subtitle {
  color: var(--text-secondary);
}

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

/* Button fallbacks */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 0.5rem;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  text-align: center;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--shadow-color);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

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

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

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

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

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

.btn-light:hover {
  background-color: var(--text-secondary);
  border-color: var(--text-secondary);
}

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

.btn-outline-light:hover {
  color: var(--bg-primary);
  background-color: var(--text-primary);
  border-color: var(--text-primary);
}

/* Badge fallbacks */
.badge {
  display: inline-block;
  padding: 0.5em 0.8em;
  font-size: 0.8em;
  font-weight: 600;
  line-height: 1;
  color: var(--text-primary);
  text-align: center;
  white-space: nowrap;
  border-radius: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.bg-danger, .badge.bg-danger { 
  background-color: var(--danger-color) !important;
  color: var(--text-primary) !important;
}
.bg-warning, .badge.bg-warning { 
  background-color: var(--warning-color) !important; 
  color: var(--text-inverse) !important;
}
.bg-info, .badge.bg-info { 
  background-color: var(--info-color) !important;
  color: var(--text-primary) !important;
}
.bg-success, .badge.bg-success { 
  background-color: var(--success-color) !important;
  color: var(--text-primary) !important;
}

/* Alert fallbacks */
.alert {
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: 0.5rem;
  background-color: var(--bg-card);
  color: var(--text-primary);
}

.alert-danger {
  color: var(--danger-color);
  background-color: rgba(220, 38, 38, 0.1);
  border-color: rgba(220, 38, 38, 0.2);
}

.alert-warning {
  color: var(--warning-color);
  background-color: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.2);
}

.alert-info {
  color: var(--info-color);
  background-color: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.2);
}

/* Table fallbacks */
.table {
  width: 100%;
  margin-bottom: 1rem;
  color: var(--text-primary);
  border-collapse: collapse;
  background-color: var(--bg-card);
}

.table th,
.table td {
  padding: 1rem;
  vertical-align: top;
  border-top: 1px solid var(--border-color);
}

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

.table-dark {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.table-dark th,
.table-dark td {
  border-color: var(--border-color);
}

.table-hover tbody tr:hover {
  background-color: var(--bg-hover);
  transition: background-color 0.3s ease;
}

/* Form fallbacks */
.form-select, .form-control {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

.form-select:focus, .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 119, 200, 0.25);
  outline: none;
}

.form-label {
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* Navbar fallbacks */
.navbar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1rem;
  background-color: var(--bg-secondary) !important;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 4px var(--shadow-color);
}

.navbar-dark {
  background-color: var(--bg-secondary) !important;
}

.navbar-brand {
  padding-top: 0.3125rem;
  padding-bottom: 0.3125rem;
  margin-right: 1rem;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--text-primary) !important;
}

.navbar-nav {
  display: flex;
  flex-direction: row;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.nav-item {
  margin-left: 1rem;
}

.nav-link {
  color: var(--text-secondary) !important;
  text-decoration: none;
  padding: 0.5rem 0;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary) !important;
  transform: translateY(-1px);
}

.nav-link.active {
  color: var(--primary-color) !important;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary-color);
}

/* Chart placeholder styles */
.chart-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 300px;
  background-color: var(--bg-card);
  border: 2px dashed var(--border-color);
  border-radius: 0.75rem;
  color: var(--text-muted);
  font-size: 1.1rem;
  text-align: center;
  transition: all 0.3s ease;
}

.chart-placeholder:hover {
  border-color: var(--primary-color);
  background-color: var(--bg-hover);
}

/* Utility classes */
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.text-center { text-align: center !important; }
.text-muted { color: var(--text-muted) !important; }
.text-primary { color: var(--primary-color) !important; }
.text-light { color: var(--text-primary) !important; }
.bg-primary { background-color: var(--primary-color) !important; }
.h4 { font-size: 1.5rem; }
.h5 { font-size: 1.25rem; }
.h6 { font-size: 1rem; }
.display-4 { font-size: 2.5rem; font-weight: 700; }
.display-5 { font-size: 2rem; font-weight: 700; }
.lead { font-size: 1.25rem; font-weight: 300; color: var(--text-secondary); }
.d-flex { display: flex !important; }
.justify-content-between { justify-content: space-between !important; }
.align-items-center { align-items: center !important; }
.list-unstyled { padding-left: 0; list-style: none; }
.fw-bold { font-weight: 700 !important; }
.gap-3 { gap: 1rem !important; }
.g-4 > * { padding: 1rem; }

/* Responsive utilities */
@media (max-width: 576px) {
  .navbar-nav {
    flex-direction: column;
    background-color: var(--bg-tertiary);
    border-radius: 0.5rem;
    margin-top: 1rem;
    padding: 1rem;
  }
  .nav-item {
    margin-left: 0;
    margin-top: 0.5rem;
  }
  
  .nav-link {
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
  }
  
  .nav-link:hover {
    background-color: var(--bg-hover);
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .stats-card {
    padding: 1.5rem;
  }
}

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

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

.dashboard-card {
  min-height: 300px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
}

.stats-card {
  text-align: center;
  padding: 2rem;
  border-radius: 1rem;
  border: none;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.stats-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px var(--shadow-hover);
}

.stats-number {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: linear-gradient(45deg, currentColor, rgba(255,255,255,0.8));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-icon {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

.card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  color: var(--secondary-color);
}

.hero-section {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 50%, var(--primary-color) 100%);
  color: var(--text-primary);
  padding: 5rem 0;
  margin-bottom: 3rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(0, 119, 200, 0.3) 0%, transparent 50%), 
              radial-gradient(circle at 80% 20%, rgba(0, 40, 104, 0.3) 0%, transparent 50%);
  pointer-events: none;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.chart-container {
  position: relative;
  height: 400px;
  margin: 2rem 0;
  background-color: var(--bg-card);
  border-radius: 1rem;
  padding: 1rem;
}

.table-responsive {
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px var(--shadow-color);
  background-color: var(--bg-card);
}

@media (max-width: 768px) {
  .hero-section {
    padding: 3rem 0;
  }
  
  .stats-number {
    font-size: 2.5rem;
  }
  
  .feature-icon {
    font-size: 3rem;
  }
  
  .navbar-nav {
    flex-direction: column;
    background-color: var(--bg-tertiary);
    border-radius: 0.5rem;
    margin-top: 1rem;
    padding: 1rem;
  }
  
  .nav-item {
    margin-left: 0;
    margin-top: 0.5rem;
  }
  
  .nav-link {
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
  }
  
  .nav-link:hover {
    background-color: var(--bg-hover);
  }
}

/* Additional modern enhancements */
.site-footer {
  background-color: var(--bg-secondary) !important;
  border-top: 1px solid var(--border-color);
}

.site-footer h5, .site-footer h6 {
  color: var(--text-primary);
}

.site-footer p {
  color: var(--text-secondary);
}

.site-footer a {
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.site-footer a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

/* Scrollbar styling for webkit browsers */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Loading animation for interactive elements */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.loading {
  animation: pulse 2s infinite;
}

/* Focus improvements for accessibility */
.btn:focus, .nav-link:focus, .form-control:focus, .form-select:focus {
  box-shadow: 0 0 0 0.2rem rgba(0, 119, 200, 0.25);
  outline: none;
}

/* Text selection styling */
::selection {
  background-color: var(--primary-color);
  color: var(--text-primary);
}

::-moz-selection {
  background-color: var(--primary-color);
  color: var(--text-primary);
}