/* =====================================================
   ADMIN PANEL STYLES
   =====================================================
   Specific styles for the admin dashboard and editor.
   Includes authentication, post management, and editing interface.
   ===================================================== */

/* -----------------------------------------------------
   LOGIN PAGE
   ----------------------------------------------------- */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background-color: var(--color-surface);
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: var(--spacing-2xl) var(--spacing-xl);
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-header h1 {
  font-size: var(--text-2xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.login-header p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* -----------------------------------------------------
   ADMIN DASHBOARD LAYOUT
   ----------------------------------------------------- */

.admin-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

@media (max-width: 1024px) {
  .admin-layout {
    flex-direction: column;
  }
  
  .admin-sidebar {
    position: fixed;
    top: var(--spacing-md);
    left: var(--spacing-md);
    bottom: var(--spacing-md);
    width: 250px;
    z-index: 50;
    
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }
  
  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-main-content {
    margin-left: 0 !important;
    width: 100% !important;
    padding-top: var(--spacing-md) !important;
  }
}

/* Admin Sidebar */
.admin-sidebar {
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  position: fixed;
  top: calc(var(--navbar-height, 64px) + var(--spacing-md));
  left: 0;
  bottom: 0;
  width: 250px;
  z-index: 40;
}

.admin-sidebar-header {
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-md);
}

.admin-sidebar-header h2 {
  font-size: var(--text-xl);
  color: var(--color-text);
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-muted);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

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

.admin-nav-item.active {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
}

.admin-nav-icon {
  width: 20px;
  text-align: center;
}

/* Admin Main Content */
.admin-main-content {
  margin-left: 250px;
  padding: var(--spacing-xl);
  min-height: calc(100vh - var(--navbar-height, 64px));
  flex: 1;
  width: calc(100% - 250px);
  box-sizing: border-box;
}

@media (max-width: 1024px) {
  .admin-main-content {
    margin-left: 0 !important;
    padding-top: var(--spacing-md) !important;
  }
}

/* -----------------------------------------------------
   DASHBOARD WIDGETS
   ----------------------------------------------------- */

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Recent Posts Table */
.recent-posts-table {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

.table-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
}

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

.table-container {
  overflow-x: auto;
}

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

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

th {
  background-color: var(--color-surface);
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

tr:hover {
  background-color: rgba(37, 99, 235, 0.02);
}

.status-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--border-radius-full);
}

.status-public {
  background-color: #dcfce7;
  color: #16a34a;
}

.status-draft {
  background-color: #fef3c7;
  color: #ca8a04;
}

.status-private {
  background-color: #fee2e2;
  color: #dc2626;
}

/* -----------------------------------------------------
   POST EDITOR
   ----------------------------------------------------- */

.editor-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
}

@media (max-width: 1024px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }
}

/* Editor Main Area */
.editor-main {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

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

.editor-title-input {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  width: 100%;
  padding: var(--spacing-sm) 0;
  border: none;
  background: transparent;
}

.editor-title-input:focus {
  outline: none;
}

.editor-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Sidebar */
.editor-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.sidebar-section {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.section-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Form Fields in Editor */
.editor-form-group {
  margin-bottom: var(--spacing-lg);
}

.editor-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.editor-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

/* Content Editor (plain textarea styled to match the rest of the editor) */
.rich-editor-container {
  min-height: 400px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  background-color: var(--color-background);
}

.content-textarea {
  width: 100%;
  min-height: 400px;
  border: none;
  background: transparent;
  resize: vertical;
  font-family: var(--font-family-mono, monospace);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
}

.content-textarea:focus {
  outline: none;
}

.editor-help-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--text-xs);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-full);
  color: var(--color-text);
}

.tag-chip button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1;
  padding: 0;
}

.tag-chip button:hover {
  color: var(--color-danger, #dc2626);
}

.current-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

/* Tag Input */
.tag-input-container {
  display: flex;
  gap: var(--spacing-sm);
}

.tag-input {
  flex: 1;
  min-height: 40px;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background-color: var(--color-background);
  color: var(--color-text);
}

.tag-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.suggested-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.suggested-tag-chip {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--text-xs);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.suggested-tag-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* -----------------------------------------------------
   POST ACTIONS MODAL
   ----------------------------------------------------- */

.post-actions-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--text-2xl);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--spacing-sm);
}

.modal-close:hover {
  color: var(--color-text);
}

.action-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.action-item:last-child {
  border-bottom: none;
}

.action-info h4 {
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.action-info p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin: 0;
}

/* -----------------------------------------------------
   CONFIRMATION MODAL
   ----------------------------------------------------- */

.confirmation-modal .modal-content {
  text-align: center;
}

.confirmation-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
}

.confirmation-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.confirmation-message {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
}

.modal-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

/* -----------------------------------------------------
   NOTIFICATIONS / TOASTS
   ----------------------------------------------------- */

.toast-container {
  position: fixed;
  top: calc(var(--navbar-height, 64px) + var(--spacing-lg));
  right: var(--spacing-lg);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

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

.toast-success {
  background-color: #dcfce7;
  color: #16a34a;
  border-left: 4px solid #16a34a;
}

.toast-error {
  background-color: #fee2e2;
  color: #dc2626;
  border-left: 4px solid #dc2626;
}

.toast-warning {
  background-color: #fef3c7;
  color: #ca8a04;
  border-left: 4px solid #ca8a04;
}

/* -----------------------------------------------------
   LOADING STATES
   ----------------------------------------------------- */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.loading-overlay .loading-spinner {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

/* -----------------------------------------------------
   RESPONSIVE ADJUSTMENTS
   ----------------------------------------------------- */

@media (max-width: 768px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: fixed;
    top: var(--spacing-md);
    left: var(--spacing-md);
    bottom: var(--spacing-md);
    width: 250px;
    
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-main-content {
    margin-left: 0 !important;
    padding-top: var(--spacing-md) !important;
    padding-bottom: var(--spacing-lg);
  }

  .editor-layout {
    grid-template-columns: 1fr;
  }

  .dashboard-stats {
    grid-template-columns: 1fr;
  }

  .table-header {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
  }

  .table-actions {
    width: 100%;
    justify-content: space-between;
  }
}

/* -----------------------------------------------------
   UTILITY CLASSES FOR ADMIN
   ----------------------------------------------------- */

.admin-hidden { display: none !important; }
.admin-flex { display: flex; }
.admin-grid { display: grid; }

.admin-spacer-sm { height: var(--spacing-sm); }
.admin-spacer-md { height: var(--spacing-md); }
.admin-spacer-lg { height: var(--spacing-lg); }