/* ===================================
   Blog Admin Styles
   Custom styles for blog administration
   =================================== */

/* ===================================
   Admin Layout
   =================================== */

.admin-dashboard {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
  background: var(--tn-bg-primary);
  max-width: 1600px;
  margin: 0 auto;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.3);
}

/* ===================================
   Admin Sidebar
   =================================== */

.admin-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: var(--space-xl);
  padding-bottom: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  overflow-y: auto;
  background: var(--glass-bg-dark);
  border-right: 1px solid var(--glass-border);
}

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

.admin-logo h3 {
  margin: 0;
  font-size: var(--text-xl);
}

/* Admin Navigation */
.admin-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  color: var(--tn-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.admin-nav-link:hover {
  background: var(--glass-bg-light);
  color: var(--tn-text-primary);
}

.admin-nav-link.active {
  background: var(--glass-bg-secondary);
  color: var(--tn-blue);
  border: 1px solid var(--glass-border-active);
}

/* Admin User */
.admin-user {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--glass-bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  margin-top: auto;
}

.admin-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-blue-purple);
}

/* Admin Actions */
.admin-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: 0 var(--space-md);
  margin-top: auto;
  padding-top: var(--space-xl);
}

.admin-actions .button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
}

/* ===================================
   Admin Content
   =================================== */

.admin-content {
  padding: var(--space-2xl) var(--space-3xl);
  overflow-y: auto;
}

.admin-section {
  display: none;
}

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

.admin-content h1 {
  margin-bottom: var(--space-2xl);
  font-size: var(--text-3xl);
}

/* Admin Stats */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.admin-stat-card {
  text-align: center;
  padding: var(--space-2xl);
}

.admin-stat-value {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--tn-blue);
  margin-bottom: var(--space-sm);
}

.admin-stat-label {
  color: var(--tn-text-secondary);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

/* Admin Tables */
.admin-recent {
  padding: var(--space-2xl);
}

.admin-recent h2 {
  margin-bottom: var(--space-xl);
}

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

.admin-table th {
  text-align: left;
  padding: var(--space-md);
  font-weight: var(--font-semibold);
  color: var(--tn-text-secondary);
  border-bottom: 1px solid var(--glass-border);
}

.admin-table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--glass-border);
}

.admin-table tbody tr:hover {
  background: var(--glass-bg-light);
}

.admin-table-actions {
  display: flex;
  gap: var(--space-sm);
}

.admin-table-actions button {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-sm);
}

/* ===================================
   Admin Forms
   =================================== */

.admin-form-section {
  margin-bottom: var(--space-2xl);
  padding: var(--space-xl);
}

.admin-form-section h3 {
  margin-bottom: var(--space-xl);
}

.admin-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.admin-form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.admin-form-group label {
  font-weight: var(--font-medium);
  color: var(--tn-text-secondary);
}

.admin-form-group input,
.admin-form-group select,
.admin-form-group textarea {
  width: 100%;
}

/* Admin Editor */
.admin-editor {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  height: 600px;
  margin-bottom: var(--space-2xl);
}

.admin-editor-input,
.admin-editor-preview {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  overflow: hidden;
}

.admin-editor-input h3,
.admin-editor-preview h3 {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--glass-border);
}

.admin-editor-textarea {
  flex: 1;
  width: 100%;
  background: transparent;
  border: none;
  color: var(--tn-text-primary);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  resize: none;
  padding: var(--space-md);
}

.admin-editor-textarea:focus {
  outline: none;
}

#post-preview {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
}

/* Admin Form Actions */
.admin-form-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
}

/* ===================================
   Posts Management
   =================================== */

.admin-posts-header {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.admin-posts-header input {
  flex: 1;
  max-width: 400px;
}

.admin-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.admin-post-card {
  position: relative;
  cursor: pointer;
  transition: all var(--transition-base);
}

.admin-post-card:hover {
  transform: translateY(-4px);
}

.admin-post-status {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 1;
}

.admin-post-actions {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  display: flex;
  gap: var(--space-sm);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.admin-post-card:hover .admin-post-actions {
  opacity: 1;
}

/* ===================================
   Toast Notifications
   =================================== */

.toast-container {
  position: fixed;
  top: var(--space-xl);
  right: var(--space-xl);
  z-index: var(--z-tooltip);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.toast {
  padding: var(--space-md) var(--space-xl);
  background: var(--glass-bg-dark);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 300px;
  animation: slideInRight var(--transition-spring);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast-success {
  border-color: rgba(158, 206, 106, 0.3);
}

.toast-error {
  border-color: rgba(247, 118, 142, 0.3);
}

.toast-info {
  border-color: rgba(125, 207, 255, 0.3);
}

/* ===================================
   Media Library
   =================================== */

.admin-media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.admin-media-item {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius-lg);
  cursor: pointer;
  position: relative;
  background: var(--glass-bg-secondary);
  border: 1px solid var(--glass-border);
  transition: all var(--transition-base);
}

.admin-media-item:hover {
  transform: scale(1.05);
  border-color: var(--glass-border-active);
  box-shadow: var(--shadow-lg);
}

.admin-media-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.admin-media-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm);
  background: var(--glass-bg-dark);
  backdrop-filter: blur(var(--blur-md));
  font-size: var(--text-xs);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.admin-media-item:hover .admin-media-overlay {
  opacity: 1;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 1024px) {
  .admin-editor {
    grid-template-columns: 1fr;
  }
  
  .admin-editor-preview {
    display: none;
  }
}

@media (max-width: 768px) {
  .admin-dashboard {
    grid-template-columns: 1fr;
  }
  
  .admin-sidebar {
    position: fixed;
    left: -260px;
    z-index: var(--z-modal);
    transition: left var(--transition-base);
  }
  
  .admin-sidebar.open {
    left: 0;
  }
  
  .admin-content {
    padding: var(--space-lg);
  }
  
  .admin-stats {
    grid-template-columns: 1fr 1fr;
  }
  
  .admin-form-grid {
    grid-template-columns: 1fr;
  }
  
  .admin-posts-header {
    flex-direction: column;
  }
  
  .admin-posts-header input {
    max-width: 100%;
  }
  
  .toast-container {
    top: var(--space-md);
    right: var(--space-md);
    left: var(--space-md);
  }
  
  .toast {
    min-width: auto;
  }
}

/* Mobile Menu Toggle */
.admin-menu-toggle {
  display: none;
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  z-index: var(--z-modal);
  padding: var(--space-sm);
  background: var(--glass-bg-dark);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

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

/* Loading Spinner */
.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid rgba(122, 162, 247, 0.2);
  border-radius: 50%;
  border-top-color: #7aa2f7;
  animation: spin 1s ease-in-out infinite;
}

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

/* Media Section Styles */
.admin-media-header {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.admin-media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.media-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.media-empty-state svg {
  margin: 0 auto 2rem;
  display: block;
}

.media-empty-state p {
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

/* Analytics Section Styles */
.admin-analytics-period {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.analytics-period-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.analytics-period-btn:hover {
  color: var(--text-primary);
}

.analytics-period-btn.active {
  color: var(--primary);
}

.analytics-period-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
}

.admin-analytics-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.admin-stat-change {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.admin-stat-change.positive {
  color: var(--success);
}

.admin-stat-change.negative {
  color: var(--danger);
}

.admin-analytics-section {
  margin-bottom: 2rem;
  padding: 2rem;
}

.admin-analytics-section h3 {
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.analytics-chart-placeholder {
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius);
}