/* ============================================
   Data Studio SPA Layout Styles
   ============================================ */

.studio-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  grid-template-areas: "sidebar main";
  gap: var(--spacing-md);
  min-height: 600px;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

/* Sidebar */
.studio-sidebar {
  grid-area: sidebar;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  overflow-y: auto;
  max-height: calc(100vh - 250px);
  position: sticky;
  top: var(--spacing-md);
  transition: all var(--transition-base);
}

.studio-sidebar.collapsed {
  grid-template-columns: 60px 1fr;
}

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

.sidebar-header h2 {
  color: var(--color-primary);
  font-size: 1.5rem;
  margin: 0;
  font-weight: var(--font-weight-bold);
}

.sidebar-toggle {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.sidebar-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Navigation */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

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

.nav-category-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-category-icon {
  font-size: 1rem;
}

.nav-category-tools {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-tool {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 0.9375rem;
}

.nav-tool:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-hover);
  transform: translateX(4px);
}

.nav-tool.active {
  background: rgba(74, 158, 255, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.nav-tool-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.nav-tool-name {
  flex: 1;
}

/* Main Content Area */
.studio-main {
  grid-area: main;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
}

/* Tool viewport styles moved to unified-workspace.css */

.tool-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: var(--color-bg);
}

.tool-error {
  padding: var(--spacing-xl);
  text-align: center;
  color: var(--color-text-muted);
}

.tool-error h3 {
  color: #ff6b6b;
  margin-bottom: var(--spacing-sm);
}

.tool-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-muted);
  min-height: 400px;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-md);
}

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

.tool-loading p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* Workspace Panel - Keep existing workspace section visible */
.workspace-section {
  margin-top: var(--spacing-lg);
}

/* Tool Component Base Styles */
.tool-container {
  padding: var(--spacing-lg);
  height: 100%;
  overflow-y: auto;
}

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

.tool-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-primary);
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
}

.tool-icon {
  font-size: 1.5em;
}

.tool-description {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.tool-content {
  position: relative;
}

.tool-status {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.9375rem;
}

.tool-status.status-info {
  background: rgba(74, 158, 255, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(74, 158, 255, 0.3);
}

.tool-status.status-success {
  background: rgba(80, 200, 120, 0.1);
  color: #50c878;
  border: 1px solid rgba(80, 200, 120, 0.3);
}

.tool-status.status-warning {
  background: rgba(255, 184, 77, 0.1);
  color: #ffb84d;
  border: 1px solid rgba(255, 184, 77, 0.3);
}

.tool-status.status-error {
  background: rgba(255, 107, 107, 0.1);
  color: #ff6b6b;
  border: 1px solid rgba(255, 107, 107, 0.3);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .studio-layout {
    grid-template-columns: 240px 1fr;
  }
}

@media (max-width: 768px) {
  .studio-layout {
    grid-template-columns: 1fr;
    grid-template-areas: 
      "sidebar"
      "main";
  }

  .studio-sidebar {
    position: relative;
    max-height: 300px;
    top: 0;
  }

  .studio-sidebar.collapsed {
    max-height: 60px;
  }

  .sidebar-header h2 {
    font-size: 1.25rem;
  }

  .nav-tool-name {
    display: none;
  }

  .studio-sidebar.collapsed .nav-tool-name {
    display: none;
  }
}

@media (max-width: 480px) {
  .tool-container {
    padding: var(--spacing-md);
  }

  .tool-title {
    font-size: 1.5rem;
  }
}