/* VK Neuro-Agents - Global Styles */
/* Dark Theme Design System */

:root {
  /* Backgrounds */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  
  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Accents */
  --accent-primary: #10b981;
  --accent-secondary: #14b8a6;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  
  /* Status */
  --status-online: #10b981;
  --status-offline: #64748b;
  --status-warning: #f59e0b;
  --status-error: #ef4444;
  
  /* Borders */
  --border-color: #334155;
  --border-radius: 12px;
}

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

body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

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

.sidebar {
  width: 260px;
  background: var(--bg-primary);
  border-right: 1px solid var(--border-color);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}

.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 24px;
  overflow-y: auto;
  max-width: 1440px;
}

/* Header */
.header {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

/* User Info */
.user-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
}

/* Navigation */
.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 24px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

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

.nav-item svg {
  width: 20px;
  height: 20px;
}

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  margin-bottom: 24px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* Stat Card */
.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-icon.primary {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-primary);
}

.stat-icon.blue {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
}

.stat-icon.purple {
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-purple);
}

.stat-icon.pink {
  background: rgba(236, 72, 153, 0.1);
  color: var(--accent-pink);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.btn-danger {
  background: var(--status-error);
  color: white;
}

.btn-danger:hover {
  opacity: 0.9;
}

.btn-icon {
  padding: 8px;
  width: 36px;
  height: 36px;
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* Tables */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  color: var(--text-primary);
  font-size: 14px;
}

tr:hover {
  background: var(--bg-tertiary);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 500;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-primary);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--status-warning);
}

.badge-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--status-error);
}

.badge-info {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

/* Status Messages */
.status {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  margin: 16px 0;
}

.status.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-primary);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.status.error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--status-error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.status.warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--status-warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Links */
.link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.link:hover {
  color: var(--accent-secondary);
  text-decoration: underline;
}

/* Divider */
.divider {
  margin: 24px 0;
  position: relative;
  text-align: center;
}

.divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-color);
}

.divider span {
  background: var(--bg-secondary);
  padding: 0 16px;
  color: var(--text-muted);
  font-size: 13px;
  position: relative;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

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

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* Utility Classes */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }

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

.hidden { display: none; }

/* Responsive */
@media (max-width: 1024px) {
  .sidebar {
    width: 200px;
  }
  
  .main-content {
    margin-left: 200px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sidebar {
    display: none;
  }
  
  .main-content {
    margin-left: 0;
    padding: 16px;
  }
  
  .header {
    flex-direction: column;
    gap: 16px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile Responsive */
@media (max-width: 1024px) {
  .mobile-header {
    display: flex !important;
  }
  
  .sidebar {
    transform: translateX(-100%) !important;
  }
  
  .sidebar-open {
    transform: translateX(0) !important;
  }
  
  .sidebar-overlay {
    display: block !important;
  }
  
  .main-content {
    margin-left: 0 !important;
    padding-top: 80px !important;
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
  
  .stats-grid {
    grid-template-columns: 1fr !important;
  }
  
  .card-header {
    flex-direction: column !important;
    gap: 16px !important;
    align-items: flex-start !important;
  }
  
  table {
    font-size: 12px !important;
    overflow-x: auto !important;
  }
  
  th, td {
    padding: 10px !important;
  }
  
  .btn {
    padding: 10px 16px !important;
    font-size: 13px !important;
  }
}

.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  padding: 0 16px;
  align-items: center;
  justify-content: space-between;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 140;
}

.sidebar {
  transition: transform 0.3s ease !important;
}