/* Knavigate Admin Portal Styles */

/* CSS Variables for Theme Support */
:root {
  /* Color Palette - Updated to match main site */
  --primary-gradient: linear-gradient(135deg, #38bdf8 0%, #2563eb 25%, #1e3a8a 50%, #f97316 75%, #fbbf24 100%);
  --accent-primary: #2563eb;
  --accent-secondary: #f97316;
  --accent-tertiary: #38bdf8;
  
  /* Neutral Colors */
  --neutral-50: #f8fafc;
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1;
  --neutral-400: #94a3b8;
  --neutral-500: #64748b;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;
  
  /* Status Colors */
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Neural network colors - matching main site */
  --neural-primary: #38bdf8;
  --neural-secondary: #f97316;
  --neural-tertiary: #2563eb;
  
  /* Subtle Background Color Variations - matching main site */
  --bg-blue-tint: #f0f7ff;
  --bg-orange-tint: #fef5f0;
  --bg-neutral-warm: #f5f3f0;
  
  /* Admin Theme Colors */
  --admin-bg-primary: #0a0a0f;
  --admin-bg-secondary: #12121a;
  --admin-bg-tertiary: #1a1a24;
  --admin-surface: #20202e;
  --admin-surface-hover: #2a2a3e;
  --admin-border: #30304a;
  --admin-text-primary: #ffffff;
  --admin-text-secondary: #a0a0b0;
  --admin-text-muted: #70708a;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Typography */
  --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.25s ease-in-out;
  --transition-slow: 0.35s ease-in-out;
  
  /* Layout */
  --header-height: 70px;
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 60px;
  
  /* Z-indexes */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Light Theme Variables */
.theme-light {
  --admin-bg-primary: #ffffff;
  --admin-bg-secondary: #f8fafc;
  --admin-bg-tertiary: #f1f5f9;
  --admin-surface: #ffffff;
  --admin-surface-hover: #f8fafc;
  --admin-border: #e2e8f0;
  --admin-text-primary: #1e293b;
  --admin-text-secondary: #475569;
  --admin-text-muted: #64748b;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-primary);
  background-color: var(--admin-bg-primary);
  color: var(--admin-text-primary);
  line-height: 1.6;
  transition: var(--transition-normal);
  overflow-x: hidden;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--accent-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: var(--z-tooltip);
  transition: top var(--transition-normal);
}

.skip-link:focus {
  top: 6px;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

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

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--admin-bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--admin-border);
  border-top: 3px solid var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-lg);
}

.loading-screen p {
  color: var(--admin-text-secondary);
  font-size: 0.875rem;
}

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

/* Auth Check Screen */
.auth-check {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--admin-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.auth-container {
  background: var(--admin-surface);
  padding: var(--spacing-2xl);
  border-radius: 12px;
  border: 1px solid var(--admin-border);
  box-shadow: var(--shadow-xl);
  text-align: center;
  max-width: 400px;
  width: 90%;
}

.auth-header {
  margin-bottom: var(--spacing-xl);
}

.auth-logo {
  height: 48px;
  margin-bottom: var(--spacing-lg);
}

.auth-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--admin-text-primary);
}

.auth-content p {
  color: var(--admin-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.auth-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--admin-border);
  border-top: 2px solid var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

/* Admin Interface Layout */
.admin-interface {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.admin-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  z-index: var(--z-fixed);
  transition: var(--transition-normal);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--admin-text-primary);
  font-size: 1.125rem;
  padding: var(--spacing-sm);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.sidebar-toggle:hover {
  background: var(--admin-surface-hover);
}

.admin-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-img {
  height: 32px;
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--admin-text-primary);
}

.header-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.breadcrumb {
  color: var(--admin-text-secondary);
  font-size: 0.875rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--admin-text-primary);
  font-size: 1rem;
  padding: var(--spacing-sm);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--admin-surface-hover);
}

/* Profile Dropdown */
.admin-profile {
  position: relative;
}

.profile-toggle {
  background: none;
  border: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.profile-toggle:hover {
  background: var(--admin-surface-hover);
}

.profile-avatar {
  width: 32px;
  height: 32px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.875rem;
}

.profile-email {
  color: var(--admin-text-primary);
  font-size: 0.875rem;
  font-weight: 500;
}

.profile-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-md);
  min-width: 240px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-fast);
  z-index: var(--z-dropdown);
}

.admin-profile:hover .profile-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.profile-info {
  margin-bottom: var(--spacing-md);
}

.profile-role {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--admin-text-primary);
}

.profile-last-login {
  font-size: 0.75rem;
  color: var(--admin-text-muted);
  margin-top: var(--spacing-xs);
}

.profile-divider {
  border: none;
  height: 1px;
  background: var(--admin-border);
  margin: var(--spacing-md) 0;
}

.profile-action {
  width: 100%;
  background: none;
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  color: var(--admin-text-primary);
  font-size: 0.875rem;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.profile-action:hover {
  background: var(--admin-surface-hover);
}

.profile-action.logout-btn {
  color: var(--error);
}

.profile-action.logout-btn:hover {
  background: rgba(239, 68, 68, 0.1);
}

/* Sidebar */
.admin-sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  background: var(--admin-bg-secondary);
  border-right: 1px solid var(--admin-border);
  overflow-y: auto;
  transform: translateX(0);
  transition: var(--transition-normal);
  z-index: var(--z-sticky);
}

.admin-sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar-nav {
  padding: var(--spacing-lg) var(--spacing-md);
}

.nav-section {
  margin-bottom: var(--spacing-xl);
}

.nav-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--admin-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
  padding: 0 var(--spacing-md);
}

.nav-list {
  list-style: none;
}

.nav-item {
  margin-bottom: var(--spacing-xs);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  color: var(--admin-text-secondary);
  text-decoration: none;
  border-radius: 8px;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  background: var(--admin-surface-hover);
  color: var(--admin-text-primary);
}

.nav-link.active {
  background: var(--accent-primary);
  color: white;
}

.nav-link i {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

.nav-badge {
  background: var(--accent-primary);
  color: white;
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 10px;
  margin-left: auto;
}

.sidebar-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-lg);
  border-top: 1px solid var(--admin-border);
  background: var(--admin-bg-secondary);
}

.system-status {
  text-align: center;
}

.status-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

.status-dot.offline {
  background: var(--error);
}

.status-indicator span {
  font-size: 0.875rem;
  color: var(--admin-text-secondary);
}

.status-info small {
  font-size: 0.75rem;
  color: var(--admin-text-muted);
}

/* Main Content */
.admin-main {
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
  background: var(--admin-bg-primary);
  transition: var(--transition-normal);
}

.admin-sidebar.collapsed + .admin-main {
  margin-left: var(--sidebar-collapsed-width);
}

.page-container {
  padding: var(--spacing-xl);
  max-width: 1200px;
  width: 90%;
  margin-left: auto;
  margin-right: auto;
}

/* Admin Pages */
.admin-page {
  display: none;
}

.admin-page.active {
  display: block;
}

.page-header {
  margin-bottom: var(--spacing-2xl);
}

.page-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--admin-text-primary);
  margin-bottom: var(--spacing-sm);
}

.page-subtitle {
  color: var(--admin-text-secondary);
  font-size: 1rem;
}

.page-iframe {
  width: 100%;
  height: calc(100vh - var(--header-height) - 120px);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  background: var(--admin-surface);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.stat-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  transition: var(--transition-fast);
}

.stat-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.stat-content {
  flex: 1;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--admin-text-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  color: var(--admin-text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.stat-change {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
}

.stat-change.positive {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
}

.stat-change.negative {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

.stat-change.neutral {
  background: rgba(148, 163, 184, 0.1);
  color: var(--admin-text-muted);
}

/* Dashboard Sections */
.dashboard-section {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--admin-text-primary);
}

/* Activity List */
.activity-list {
  space-y: var(--spacing-md);
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: 8px;
  border: 1px solid transparent;
  transition: var(--transition-fast);
}

.activity-item:hover {
  background: var(--admin-bg-tertiary);
  border-color: var(--admin-border);
}

.activity-icon {
  width: 40px;
  height: 40px;
  background: var(--admin-bg-tertiary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 0.875rem;
}

.activity-content {
  flex: 1;
}

.activity-content p {
  color: var(--admin-text-primary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.activity-time {
  color: var(--admin-text-muted);
  font-size: 0.75rem;
}

/* Health Grid */
.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
}

.health-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--admin-bg-tertiary);
  border-radius: 8px;
}

.health-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--success);
}

.health-indicator.warning {
  background: var(--warning);
}

.health-indicator.error {
  background: var(--error);
}

.health-status {
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 6px;
}

.health-status.online {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
}

/* Buttons */
.btn-primary {
  background: var(--primary-gradient);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--admin-surface);
  color: var(--admin-text-primary);
  border: 1px solid var(--admin-border);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.modal-content {
  background: var(--admin-surface);
  border-radius: 12px;
  border: 1px solid var(--admin-border);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--admin-text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--admin-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  padding: var(--spacing-lg);
  border-top: 1px solid var(--admin-border);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }
  
  .admin-sidebar.open {
    transform: translateX(0);
  }
  
  .admin-main {
    margin-left: 0;
  }
  
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}

@media (max-width: 768px) {
  .header-center {
    display: none;
  }
  
  .logo-text {
    display: none;
  }
  
  .profile-email {
    display: none;
  }
  
  .page-container {
    padding: var(--spacing-lg);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .health-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .page-title {
    font-size: 1.5rem;
  }
  
  .stat-card {
    flex-direction: column;
    text-align: center;
  }
  
  .section-header {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
  }
}

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

/* Focus Styles */
button:focus,
a:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --admin-border: #ffffff;
    --admin-text-secondary: #ffffff;
  }
  
  .theme-light {
    --admin-border: #000000;
    --admin-text-secondary: #000000;
  }
}