/* =========================================================
   ADMIN DASHBOARD & MCP AGENT HUB STYLES
   Sidebar, Metrics, Split Markdown Editor, Data Tables,
   MCP Playground & Client Configurations
   ========================================================= */

.admin-body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
}

/* Sidebar */
.admin-sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-nav {
  padding: 1.25rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
  overflow-y: auto;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-link:hover, .sidebar-link.active {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.sidebar-link.active {
  color: var(--text-accent);
  border-color: var(--border-glow);
}

.sidebar-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-profile {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.admin-profile-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-glow);
}

/* Main Admin Content */
.admin-main {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.admin-topbar {
  height: 72px;
  padding: 0 2rem;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
}

.admin-content {
  padding: 2rem;
  flex: 1;
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.metric-card {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
}

.metric-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.metric-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-primary);
}

.metric-val {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-display);
}

/* Split Markdown Editor */
.editor-container {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.75rem;
}

.editor-main-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.toolbar-btn {
  padding: 0.35rem 0.65rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toolbar-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.editor-split-pane {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  min-height: 520px;
}

.markdown-textarea {
  width: 100%;
  height: 100%;
  min-height: 520px;
  padding: 1.25rem;
  background: #0d1117;
  color: #e6edf3;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.6;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  outline: none;
  resize: vertical;
}

.markdown-textarea:focus {
  border-color: var(--accent-primary);
}

.markdown-preview-pane {
  padding: 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow-y: auto;
  min-height: 520px;
  max-height: 700px;
}

/* Editor Metadata Sidebar */
.editor-meta-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  height: fit-content;
}

/* Data Tables */
.table-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.admin-table th {
  padding: 1rem 1.25rem;
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-subtle);
}

.admin-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.admin-table tr:hover td {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.table-post-title {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.table-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

/* MCP AI Agent Hub */
.mcp-hub-header {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.1) 100%);
  border: 1px solid var(--border-glow);
  margin-bottom: 2rem;
}

.mcp-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  font-weight: 600;
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

.mcp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.mcp-card {
  padding: 1.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.mcp-card-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.config-code-block {
  background: #0d1117;
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #c9d1d9;
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--border-subtle);
}

/* MCP Interactive Tool Tester */
.mcp-playground {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.tool-run-row {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 1.25rem;
}

.mcp-output-box {
  background: #0d1117;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #58a6ff;
  max-height: 350px;
  overflow-y: auto;
  white-space: pre-wrap;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1.5rem;
}

.modal-card {
  width: 100%;
  max-width: 500px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

/* Responsive */
@media (max-width: 1024px) {
  .admin-sidebar {
    width: 72px;
  }
  .sidebar-link span, .sidebar-header h2, .admin-profile div {
    display: none;
  }
  .admin-main {
    margin-left: 72px;
  }
  .editor-container {
    grid-template-columns: 1fr;
  }
  .mcp-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .editor-split-pane {
    grid-template-columns: 1fr;
  }
  .markdown-preview-pane {
    display: none; /* toggleable on mobile */
  }
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }
}