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

    :root {
      --primary-color: #2563eb;
      --primary-dark: #1d4ed8;
      --secondary-color: #64748b;
      --success-color: #22c55e;
      --warning-color: #f59e0b;
      --danger-color: #ef4444;
      --bg-color: #f1f5f9;
      --panel-bg: #ffffff;
      --panel-border: #e2e8f0;
      --text-primary: #1e293b;
      --text-secondary: #64748b;
      --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);

      /* New UI variables */
      --category-bg: #f8fafc;
      --layer-hover: #f0f7ff;
      --border-light: #f1f5f9;
      --accent: #4f6bed;
      --accent-light: #e8ebfd;
      --accent-dark: #3d54c7;
      --text-muted: #94a3b8;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      background: var(--bg-color);
      color: var(--text-primary);
      height: 100vh;
      overflow: hidden;
    }

    /* Header */
    .header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 60px;
      background: var(--panel-bg);
      border-bottom: 1px solid var(--panel-border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      z-index: 1000;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .logo-icon {
      height: 44px;
      width: auto;
    }

    .logo-icon img {
      height: 100%;
      width: auto;
      object-fit: contain;
    }

    .logo-text {
      font-size: 20px;
      font-weight: 700;
      background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .btn-icon {
      width: 40px;
      height: 40px;
      padding: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 66px;
    }

    .btn {
      padding: 8px 16px;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      border: none;
      transition: all 0.2s;
    }

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

    .btn-primary:hover {
      background: var(--primary-dark);
    }

    .btn-secondary {
      background: #e2e8f0;
      color: var(--text-primary);
    }

    .btn-secondary:hover {
      background: #cbd5e1;
    }

    /* Main Layout */
    .main-container {
      display: flex;
      height: calc(100vh - 60px);
      margin-top: 60px;
    }

    /* Map Container */
    .map-container {
      flex: 1;
      position: relative;
    }

    #map {
      width: 100%;
      height: 100%;
      /* Match CartoDB Positron basemap background color to prevent white flash */
      background: #e8e8e8;
    }

    /* Left Panel - API Status */
    .layer-panel {
      width: 280px;
      background: var(--panel-bg);
      border-right: 1px solid var(--panel-border);
      overflow-y: auto;
      flex-shrink: 0;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: width 0.25s ease, min-width 0.25s ease;
    }

    .layer-panel.collapsed {
      width: 0;
      min-width: 0;
      overflow: hidden;
      border-right: none;
    }

    /* Sidebar Sections */
    .panel-section {
      padding: 10px 16px;
    }

    .panel-section.collapsible .section-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      user-select: none;
      padding: 4px 0;
      margin: -4px 0 12px 0;
      border-radius: 4px;
      transition: background 0.15s;
    }

    .panel-section.collapsible .section-header:hover {
      background: var(--bg-color);
      margin-left: -8px;
      margin-right: -8px;
      padding-left: 8px;
      padding-right: 8px;
    }

    .collapse-icon {
      color: var(--text-muted);
      transition: transform 0.2s ease;
    }

    .panel-section.collapsed .collapse-icon {
      transform: rotate(-90deg);
    }

    .panel-section.collapsed .section-content {
      display: none;
    }

    .section-header {
      margin-bottom: 6px;
    }

    .section-label {
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.6px;
      color: var(--text-secondary);
    }

    .section-content {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    /* Sidebar Buttons */
    .sidebar-btn {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: flex-start;
      gap: 10px;
      padding: 10px 14px;
      font-size: 13px;
      font-weight: 500;
      border-radius: 8px;
      text-align: left;
    }

    .sidebar-btn svg {
      flex-shrink: 0;
    }

    .sidebar-btn-compact {
      padding: 8px 14px;
      font-size: 12px;
    }

    /* Panel Divider */
    .panel-divider {
      height: 1px;
      background: var(--panel-border);
      margin: 4px 16px;
    }

    /* Navigation Links Section */
    .panel-section-nav {
      margin-top: auto;
      padding-top: 8px;
      border-top: 1px solid var(--panel-border);
    }

    .nav-link {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 14px;
      color: var(--text-primary);
      text-decoration: none;
      font-size: 13px;
      font-weight: 500;
      border-radius: 8px;
      transition: all 0.15s;
      background: #f8fafc;
      border: 1px solid var(--panel-border);
    }

    .nav-link:hover {
      background: var(--layer-hover);
      border-color: #c7d2df;
    }

    .nav-link svg {
      flex-shrink: 0;
    }

    .nav-arrow {
      margin-left: auto;
      color: var(--text-muted);
    }

    .nav-badge {
      background: #10b981;
      color: white;
      font-size: 9px;
      font-weight: 600;
      padding: 2px 6px;
      border-radius: 3px;
      text-transform: uppercase;
    }

    .nav-link-featured {
      background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
      border: 1px solid #bbf7d0;
    }

    .nav-link-featured:hover {
      background: linear-gradient(135deg, #dcfce7 0%, #d1fae5 100%);
    }

    .panel-header {
      padding: 16px;
      border-bottom: 1px solid var(--panel-border);
      position: sticky;
      top: 0;
      background: var(--panel-bg);
      z-index: 10;
    }

    .panel-title {
      font-size: 14px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--text-secondary);
    }

    /* API Status Section */
    .api-status-section {
      padding: 16px;
      border-bottom: 1px solid var(--panel-border);
    }

    .api-status-title {
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--text-secondary);
      margin-bottom: 12px;
    }

    .api-status-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 8px;
    }

    .api-status-item {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 10px;
      background: #f8fafc;
      border-radius: 6px;
      font-size: 12px;
    }

    .api-status-light {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--secondary-color);
      flex-shrink: 0;
      position: relative;
    }

    .api-status-light.connected {
      background: var(--success-color);
      box-shadow: 0 0 8px var(--success-color);
    }

    .api-status-light.connected::after {
      content: '';
      position: absolute;
      top: -2px;
      left: -2px;
      right: -2px;
      bottom: -2px;
      border-radius: 50%;
      background: var(--success-color);
      opacity: 0.3;
      animation: pulse 2s ease-in-out infinite;
    }

    .api-status-light.error {
      background: var(--danger-color);
      box-shadow: 0 0 8px var(--danger-color);
    }

    .api-status-light.checking {
      background: var(--warning-color);
      animation: blink 1s ease-in-out infinite;
    }

    @keyframes pulse {
      0%, 100% { transform: scale(1); opacity: 0.3; }
      50% { transform: scale(1.5); opacity: 0; }
    }

    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }

    .api-status-name {
      color: var(--text-primary);
      font-weight: 500;
    }

    .api-status-item.connected .api-status-name {
      color: var(--text-primary);
    }

    .api-status-item.error .api-status-name {
      color: var(--text-secondary);
    }

    /* Map Container */
    .map-container {
      flex: 1;
      position: relative;
    }

    #map {
      width: 100%;
      height: 100%;
      background: #e2e8f0;
    }

    /* Right Panel - AOI Summary */
    .aoi-panel {
      width: 360px;
      background: var(--panel-bg);
      border-left: 1px solid var(--panel-border);
      overflow-y: auto;
      flex-shrink: 0;
      display: none;
    }

    .aoi-panel.visible {
      display: block;
    }

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

    .aoi-title {
      font-size: 16px;
      font-weight: 600;
    }

    .aoi-close {
      width: 28px;
      height: 28px;
      border-radius: 6px;
      border: none;
      background: transparent;
      color: var(--text-secondary);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
    }

    .aoi-close:hover {
      background: var(--panel-border);
      color: var(--text-primary);
    }

    .aoi-summary {
      padding: 16px;
    }

    /* Loading progress bar */
    .loading-progress {
      padding: 20px 12px;
      text-align: center;
    }

    .loading-progress .progress-text {
      font-size: 13px;
      color: var(--text-secondary);
      margin-bottom: 12px;
    }

    .loading-progress .progress-bar-container {
      width: 100%;
      height: 8px;
      background: #e2e8f0;
      border-radius: 4px;
      overflow: hidden;
      margin-bottom: 8px;
    }

    .loading-progress .progress-bar-fill {
      height: 100%;
      background: linear-gradient(90deg, #3b82f6, #60a5fa);
      border-radius: 4px;
      transition: width 0.3s ease;
    }

    .loading-progress .progress-info {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .loading-progress .progress-percent {
      font-size: 12px;
      font-weight: 600;
      color: var(--primary-color);
    }

    .loading-progress .progress-time {
      font-size: 11px;
      color: var(--text-secondary);
    }

    .summary-item {
      display: flex;
      align-items: center;
      padding: 12px;
      background: #f8fafc;
      border-radius: 8px;
      margin-bottom: 8px;
      gap: 8px;
    }

    .summary-item-name {
      font-size: 14px;
      font-weight: 500;
      flex: 1;
    }

    .summary-item-count {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-color);
    }

    /* Layer visibility toggle button */
    .layer-toggle {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      padding: 0;
      margin-right: 8px;
      background: #e2e8f0;
      border: 1px solid #cbd5e1;
      border-radius: 6px;
      cursor: pointer;
      transition: all 0.15s ease;
      flex-shrink: 0;
    }

    .layer-toggle:hover {
      background: #cbd5e1;
      border-color: #94a3b8;
    }

    .layer-toggle.active {
      background: #dbeafe;
      border-color: #3b82f6;
      color: #2563eb;
    }

    .layer-toggle.active:hover {
      background: #bfdbfe;
    }

    .layer-toggle .toggle-icon {
      font-size: 14px;
      line-height: 1;
    }

    .layer-toggle.loading {
      cursor: wait;
      opacity: 0.7;
    }

    .layer-toggle .btn-spinner {
      display: inline-block;
      width: 14px;
      height: 14px;
      border: 2px solid #94a3b8;
      border-top-color: #3b82f6;
      border-radius: 50%;
      animation: spin 0.8s linear infinite;
    }

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

    /* Layer loading progress (inline) */
    .layer-loading-progress {
      display: flex;
      flex-direction: column;
      flex: 1;
      gap: 4px;
    }

    .layer-loading-progress .layer-progress-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .layer-loading-progress .layer-progress-name {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-primary);
    }

    .layer-loading-progress .layer-progress-percent {
      font-size: 12px;
      font-weight: 600;
      color: var(--primary-color);
    }

    .layer-loading-progress .layer-progress-bar {
      width: 100%;
      height: 6px;
      background: #e2e8f0;
      border-radius: 3px;
      overflow: hidden;
    }

    .layer-loading-progress .layer-progress-fill {
      height: 100%;
      background: linear-gradient(90deg, #3b82f6, #60a5fa);
      border-radius: 3px;
      transition: width 0.2s ease;
    }

    .layer-loading-progress .layer-progress-time {
      font-size: 11px;
      color: var(--text-secondary);
    }

    .aoi-actions {
      padding: 16px;
      border-top: 1px solid var(--panel-border);
    }

    .aoi-actions .btn {
      width: 100%;
      margin-bottom: 8px;
    }

    /* Loading indicator */
    .loading-overlay {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(241, 245, 249, 0.9);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 500;
      display: none;
    }

    .loading-overlay.visible {
      display: flex;
    }

    .spinner {
      width: 40px;
      height: 40px;
      border: 3px solid var(--panel-border);
      border-top-color: var(--primary-color);
      border-radius: 50%;
      animation: spin 1s linear infinite;
    }

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

    /* Leaflet Attribution - position above status bar */
    .leaflet-control-attribution {
      bottom: 36px !important;
      right: 4px !important;
      background: rgba(255, 255, 255, 0.8) !important;
      padding: 2px 6px !important;
      font-size: 10px !important;
      border-radius: 4px;
    }

    /* MapLibre Attribution - position above status bar */
    .maplibregl-ctrl-bottom-right {
      z-index: 10001 !important;
      bottom: 32px !important;
    }
    .maplibregl-ctrl-attrib {
      background: rgba(255, 255, 255, 0.85) !important;
      font-size: 10px !important;
      padding: 2px 6px !important;
      border-radius: 4px;
    }

    /* Feature Popup */
    .leaflet-popup-content-wrapper {
      background: var(--panel-bg);
      color: var(--text-primary);
      border-radius: 8px;
      padding: 0;
    }

    .leaflet-popup-content {
      margin: 0;
      min-width: 280px;
      max-width: 350px;
    }

    .leaflet-popup-tip {
      background: var(--panel-bg);
    }

    .popup-header {
      padding: 12px 16px;
      border-bottom: 1px solid var(--panel-border);
      background: #f8fafc;
      border-radius: 8px 8px 0 0;
    }

    .popup-title {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 4px;
    }

    .popup-source {
      font-size: 12px;
      color: var(--text-secondary);
    }

    .popup-body {
      padding: 12px 16px;
      max-height: 300px;
      overflow-y: auto;
    }

    .popup-row {
      display: flex;
      justify-content: space-between;
      padding: 6px 0;
      border-bottom: 1px solid var(--panel-border);
    }

    .popup-row:last-child {
      border-bottom: none;
    }

    .popup-label {
      font-size: 13px;
      color: var(--text-secondary);
    }

    .popup-value {
      font-size: 13px;
      font-weight: 500;
      text-align: right;
      max-width: 60%;
    }

    .popup-footer {
      padding: 12px 16px;
      border-top: 1px solid var(--panel-border);
    }

    .popup-link {
      color: var(--primary-color);
      text-decoration: none;
      font-size: 13px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .popup-link:hover {
      text-decoration: underline;
    }

    /* Draw controls styling */
    .leaflet-draw-toolbar a {
      background-color: #ffffff !important;
      border-color: var(--panel-border) !important;
    }

    .leaflet-draw-toolbar a:hover {
      background-color: #f1f5f9 !important;
    }

    /* Status bar */
    .status-bar {
      position: fixed;
      bottom: 0;
      left: 280px;
      right: 0;
      height: 32px;
      background: var(--panel-bg);
      border-top: 1px solid var(--panel-border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 16px;
      font-size: 13px;
      color: var(--text-secondary);
      z-index: 1000;
    }

    .status-left {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .status-indicator {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success-color);
    }

    .status-dot.warning {
      background: var(--warning-color);
    }

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

    /* Toast notifications */
    .toast-container {
      position: fixed;
      bottom: 48px;
      right: 16px;
      z-index: 2000;
    }

    .toast {
      background: var(--panel-bg);
      border: 1px solid var(--panel-border);
      border-radius: 8px;
      padding: 12px 16px;
      margin-top: 8px;
      box-shadow: var(--shadow);
      display: flex;
      align-items: center;
      gap: 12px;
      animation: slideIn 0.3s ease;
    }

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

    .toast.success {
      border-left: 3px solid var(--success-color);
    }

    .toast.error {
      border-left: 3px solid var(--danger-color);
    }

    .toast.warning {
      border-left: 3px solid var(--warning-color);
    }

    /* Export Modal */
    .modal-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.6);
      z-index: 2000;
      align-items: center;
      justify-content: center;
    }

    .modal-overlay.visible {
      display: flex;
    }

    .modal-content {
      background: var(--panel-bg);
      border-radius: 12px;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
      max-width: 500px;
      width: 90%;
      max-height: 80vh;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .modal-content.export-modal {
      max-width: 700px;
    }

    /* Help Modal */
    .modal-content.help-modal {
      max-width: 800px;
      max-height: 85vh;
    }

    .help-modal-body {
      display: flex;
      gap: 0;
      padding: 0 !important;
      height: 500px;
    }

    .help-nav {
      width: 180px;
      min-width: 180px;
      background: var(--bg-color);
      border-right: 1px solid var(--panel-border);
      padding: 12px 0;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .help-nav-btn {
      background: none;
      border: none;
      padding: 10px 16px;
      text-align: left;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-secondary);
      cursor: pointer;
      transition: all 0.15s;
      border-left: 3px solid transparent;
    }

    .help-nav-btn:hover {
      background: var(--panel-bg);
      color: var(--text-primary);
    }

    .help-nav-btn.active {
      background: var(--panel-bg);
      color: var(--primary-color);
      border-left-color: var(--primary-color);
      font-weight: 600;
    }

    .help-content {
      flex: 1;
      padding: 20px 24px;
      overflow-y: auto;
    }

    .help-section {
      display: none;
    }

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

    .help-section h4 {
      margin: 0 0 12px 0;
      font-size: 18px;
      color: var(--text-primary);
    }

    .help-section h5 {
      margin: 20px 0 8px 0;
      font-size: 14px;
      color: var(--text-primary);
      font-weight: 600;
    }

    .help-section p {
      margin: 0 0 12px 0;
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    .help-section ul {
      margin: 0 0 16px 0;
      padding-left: 20px;
    }

    .help-section ul li {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 4px;
    }

    .help-section ul li strong {
      color: var(--text-primary);
    }

    .help-steps {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin: 20px 0;
    }

    .help-step {
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }

    .help-step-number {
      width: 28px;
      height: 28px;
      min-width: 28px;
      background: linear-gradient(135deg, #3b82f6, #6366f1);
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 600;
    }

    .help-step-content strong {
      display: block;
      font-size: 14px;
      color: var(--text-primary);
      margin-bottom: 4px;
    }

    .help-step-content p {
      margin: 0;
      font-size: 13px;
    }

    .help-tip {
      background: linear-gradient(135deg, #fef3c7, #fde68a);
      border: 1px solid #fcd34d;
      border-radius: 8px;
      padding: 12px 14px;
      font-size: 13px;
      color: #92400e;
      margin-top: 16px;
    }

    .help-tip strong {
      color: #78350f;
    }

    .help-category {
      background: var(--bg-color);
      border-radius: 8px;
      padding: 12px 14px;
      margin-bottom: 12px;
    }

    .help-category h5 {
      margin: 0 0 8px 0;
      font-size: 13px;
      color: var(--primary-color);
    }

    .help-category ul {
      margin: 0;
    }

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

    .modal-header h3 {
      margin: 0;
      font-size: 18px;
      color: var(--text-primary);
    }

    .modal-close {
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
      color: var(--text-secondary);
      padding: 0;
      line-height: 1;
    }

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

    .modal-body {
      padding: 20px;
      overflow-y: auto;
      flex: 1;
    }

    .modal-footer {
      display: flex;
      justify-content: flex-end;
      gap: 12px;
      padding: 16px 20px;
      border-top: 1px solid var(--panel-border);
    }

    .export-section {
      margin-bottom: 20px;
    }

    .export-section h4 {
      margin: 0 0 10px 0;
      font-size: 14px;
      color: var(--text-primary);
      font-weight: 600;
    }

    .export-layers {
      display: flex;
      flex-direction: column;
      gap: 8px;
      max-height: 180px;
      overflow-y: auto;
      padding: 10px;
      background: var(--bg-secondary);
      border-radius: 6px;
      border: 1px solid var(--panel-border);
    }

    .export-layer-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 12px;
      background: var(--panel-bg);
      border-radius: 8px;
      border: 1px solid var(--panel-border);
      margin-bottom: 8px;
    }

    .export-layer-item input[type="checkbox"] {
      width: 18px;
      height: 18px;
      cursor: pointer;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .export-layer-item .layer-info {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 8px;
      min-width: 0;
    }

    .export-layer-item .layer-header {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }

    .export-layer-item .layer-name {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-primary);
      white-space: nowrap;
    }

    .export-layer-item .layer-count {
      font-size: 11px;
      color: var(--text-secondary);
      background: var(--bg-secondary);
      padding: 2px 8px;
      border-radius: 10px;
      white-space: nowrap;
      flex-shrink: 0;
    }

    .export-layer-item .layer-options {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    .export-layer-item .layer-option-group {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .export-layer-item .layer-option-label {
      font-size: 11px;
      color: var(--text-secondary);
      font-weight: 500;
    }

    .export-layer-item .layer-format-select,
    .export-layer-item .layer-resolution-select {
      padding: 5px 10px;
      font-size: 12px;
      border: 1px solid var(--panel-border);
      border-radius: 5px;
      background: white;
      color: var(--text-primary);
      cursor: pointer;
      transition: border-color 0.15s ease;
    }

    .export-layer-item .layer-format-select:hover,
    .export-layer-item .layer-resolution-select:hover {
      border-color: var(--primary-color);
    }

    .export-layer-item .layer-format-select:focus,
    .export-layer-item .layer-resolution-select:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
    }

    .export-layer-item .layer-format-select:disabled,
    .export-layer-item .layer-resolution-select:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    .export-layer-item .layer-resolution-select option:disabled {
      color: #999;
    }

    .export-layer-item .layer-checkbox-option {
      display: flex;
      align-items: center;
      gap: 4px;
      font-size: 12px;
      color: var(--text-secondary);
      cursor: pointer;
      padding: 4px 8px;
      background: var(--bg-secondary);
      border-radius: 4px;
      transition: background 0.15s ease;
    }

    .export-layer-item .layer-checkbox-option:hover {
      background: #e2e8f0;
    }

    .export-layer-item .layer-checkbox-option input[type="checkbox"] {
      width: 14px;
      height: 14px;
      margin: 0;
    }

    .export-layer-item .layer-interval-input {
      width: 50px;
      padding: 5px 8px;
      font-size: 12px;
      border: 1px solid var(--panel-border);
      border-radius: 5px;
      text-align: center;
    }

    .export-layer-item .layer-interval-input:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
    }

    .export-layer-item .layer-filename-row {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .export-layer-item .export-layer-name-input {
      flex: 1;
      min-width: 0;
      margin-top: 0;
      padding: 6px 10px;
      font-size: 12px;
      border: 1px solid var(--panel-border);
      border-radius: 5px;
      background: #f8fafc;
    }

    .export-layer-item .export-layer-name-input:focus {
      outline: none;
      border-color: var(--primary-color);
      background: white;
      box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
    }

    .export-select-all {
      margin-top: 8px;
    }

    .export-select-all label {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-secondary);
      cursor: pointer;
    }

    .export-layer-name-input:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    .export-gdb-section {
      margin-bottom: 12px;
      padding: 10px 12px;
      background: #f8fafc;
      border: 1px solid var(--panel-border);
      border-radius: 6px;
    }

    .export-gdb-section h5 {
      margin: 0 0 4px 0;
      font-size: 12px;
      color: var(--text-primary);
      font-weight: 600;
    }

    .export-gdb-section p {
      font-size: 11px;
      color: var(--text-secondary);
      margin: 0 0 6px 0;
    }

    .export-gdb-section .input-with-button {
      display: flex;
      gap: 8px;
    }

    .export-gdb-section .input-with-button input {
      flex: 1;
    }

    .export-gdb-section .folder-btn {
      padding: 6px 10px;
      background: var(--panel-bg);
      border: 1px solid var(--panel-border);
      border-radius: 6px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      color: var(--text-secondary);
      transition: all 0.2s;
    }

    .export-gdb-section .folder-btn:hover {
      background: #e2e8f0;
      border-color: var(--primary-color);
      color: var(--primary-color);
    }

    .export-select {
      width: 100%;
      padding: 10px 12px;
      font-size: 14px;
      border: 1px solid var(--panel-border);
      border-radius: 6px;
      background: var(--panel-bg);
      color: var(--text-primary);
      cursor: pointer;
    }

    .export-select:focus {
      outline: none;
      border-color: var(--primary-color);
    }

    .export-input {
      width: 100%;
      padding: 7px 10px;
      font-size: 13px;
      border: 1px solid var(--panel-border);
      border-radius: 6px;
      background: var(--panel-bg);
      color: var(--text-primary);
      box-sizing: border-box;
    }

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

    /* Flood Zone Labels */
    .flood-zone-label {
      background: transparent !important;
      border: none !important;
    }

    .flood-zone-label span {
      display: block;
      background: rgba(255, 255, 255, 0.9);
      color: #1a365d;
      font-size: 11px;
      font-weight: 600;
      padding: 2px 6px;
      border-radius: 3px;
      border: 1px solid #4a90b8;
      white-space: nowrap;
      text-align: center;
      box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    }

    /* Contour Labels */
    .contour-label {
      background: transparent !important;
      border: none !important;
    }

    .contour-label span {
      display: block;
      background: rgba(255, 255, 255, 0.85);
      color: #5D3A1A;
      font-size: 10px;
      font-weight: 600;
      padding: 1px 4px;
      border-radius: 2px;
      border: 1px solid #8B4513;
      white-space: nowrap;
      text-align: center;
      box-shadow: 0 1px 2px rgba(0,0,0,0.15);
    }

    /* Header Help Button */
    .header-help-btn {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px 12px;
      margin-left: 12px;
      background: transparent;
      border: 1px solid var(--panel-border);
      border-radius: 6px;
      cursor: pointer;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-secondary);
      transition: all 0.15s ease;
    }

    .header-help-btn:hover {
      background: var(--bg-color);
      border-color: var(--primary-color);
      color: var(--primary-color);
    }

    .header-help-btn svg {
      color: var(--text-secondary);
    }

    .header-help-btn:hover svg {
      color: var(--primary-color);
    }

    /* Address Search */
    .address-search {
      position: absolute;
      top: 12px;
      left: 10px;
      z-index: 1000;
      width: 280px;
    }

    .address-search-input-wrapper {
      display: flex;
      align-items: center;
      background: white;
      border: 1px solid var(--panel-border);
      border-radius: 8px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.15);
      overflow: hidden;
    }

    .address-search-input-wrapper input {
      flex: 1;
      border: none;
      padding: 10px 12px;
      font-size: 14px;
      outline: none;
      background: transparent;
    }

    .address-search-input-wrapper input::placeholder {
      color: var(--text-secondary);
    }

    .address-search-input-wrapper button {
      background: none;
      border: none;
      padding: 8px 10px;
      cursor: pointer;
      color: var(--text-secondary);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .address-search-input-wrapper button:hover {
      color: var(--text-primary);
    }

    .address-results {
      background: white;
      border: 1px solid var(--panel-border);
      border-radius: 8px;
      margin-top: 4px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
      max-height: 250px;
      overflow-y: auto;
    }

    .address-result-item {
      padding: 10px 12px;
      cursor: pointer;
      border-bottom: 1px solid var(--panel-border);
      font-size: 13px;
      color: var(--text-primary);
    }

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

    .address-result-item:hover {
      background: #f0f7ff;
    }

    .address-result-item .result-main {
      font-weight: 500;
    }

    .address-result-item .result-secondary {
      color: var(--text-secondary);
      font-size: 12px;
      margin-top: 2px;
    }

    .address-no-results {
      padding: 12px;
      color: var(--text-secondary);
      font-size: 13px;
      text-align: center;
    }

    .address-searching {
      padding: 12px;
      color: var(--text-secondary);
      font-size: 13px;
      text-align: center;
    }

    /* Basemap Toggle */
    .basemap-toggle {
      position: absolute;
      bottom: 32px;
      left: 0;
      z-index: 1001;
      display: flex;
      background: white;
      border: 1px solid #d1d5db;
      border-radius: 6px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.2);
      overflow: hidden;
    }

    .basemap-btn {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 8px 14px;
      background: white;
      border: none;
      border-bottom: 3px solid transparent;
      cursor: pointer;
      color: #6b7280;
      font-size: 13px;
      font-weight: 500;
      transition: all 0.15s ease;
    }

    .basemap-btn:first-child {
      border-right: 1px solid #e5e7eb;
    }

    .basemap-btn:hover {
      color: #374151;
      background: #f9fafb;
    }

    .basemap-btn.active {
      color: #3b82f6;
      border-bottom-color: #3b82f6;
      font-weight: 600;
    }

    .basemap-btn.active:hover {
      background: #f0f7ff;
    }

    .basemap-btn svg {
      flex-shrink: 0;
    }

    /* Map Legend */
    .map-legend {
      position: absolute;
      bottom: 76px;
      left: 0;
      background: var(--panel-bg);
      border: 1px solid var(--panel-border);
      border-radius: 8px;
      padding: 12px 16px;
      z-index: 1000;
      box-shadow: var(--shadow);
      max-width: 220px;
      display: none;
    }

    .map-legend.visible {
      display: block;
    }

    .legend-title {
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 10px;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .legend-collapse {
      background: none;
      border: none;
      cursor: pointer;
      color: var(--text-secondary);
      font-size: 14px;
      padding: 2px 6px;
    }

    .legend-collapse:hover {
      color: var(--text-primary);
    }

    .legend-items {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .legend-items.collapsed {
      display: none;
    }

    .legend-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 12px;
    }

    .legend-color {
      width: 20px;
      height: 14px;
      border-radius: 3px;
      border: 1px solid rgba(0,0,0,0.2);
      flex-shrink: 0;
    }

    .legend-label {
      color: var(--text-secondary);
      line-height: 1.3;
    }

    .legend-section {
      margin-top: 10px;
      padding-top: 10px;
      border-top: 1px solid var(--panel-border);
    }

    .legend-section-title {
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--text-secondary);
      margin-bottom: 8px;
    }

    /* Settings Modal */
    .settings-section {
      margin-bottom: 20px;
    }

    .settings-section h4 {
      margin: 0 0 12px 0;
      font-size: 14px;
      color: var(--text-primary);
      font-weight: 600;
    }

    .settings-section p {
      font-size: 12px;
      color: var(--text-secondary);
      margin: 0 0 12px 0;
    }

    .data-source-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
      max-height: 300px;
      overflow-y: auto;
      padding: 12px;
      background: #f8fafc;
      border-radius: 8px;
      border: 1px solid var(--panel-border);
    }

    .data-source-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 12px;
      background: var(--panel-bg);
      border-radius: 6px;
      border: 1px solid var(--panel-border);
      transition: border-color 0.2s, background 0.2s;
    }

    .data-source-item:hover {
      border-color: var(--primary-color);
    }

    .data-source-item.disabled {
      opacity: 0.5;
    }

    .data-source-item input[type="checkbox"] {
      width: 18px;
      height: 18px;
      cursor: pointer;
      accent-color: var(--primary-color);
    }

    .data-source-info {
      flex: 1;
    }

    .data-source-name {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-primary);
    }

    .data-source-desc {
      font-size: 12px;
      color: var(--text-secondary);
      margin-top: 2px;
    }

    .data-source-status {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--secondary-color);
    }

    .data-source-status.connected {
      background: var(--success-color);
    }

    .data-source-status.error {
      background: var(--danger-color);
    }

    .settings-select-all {
      margin-top: 10px;
      padding-top: 10px;
      border-top: 1px solid var(--panel-border);
    }

    .settings-select-all label {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-secondary);
      cursor: pointer;
    }

    .settings-note {
      margin-top: 12px;
      padding: 10px 12px;
      background: #fffbeb;
      border: 1px solid #fcd34d;
      border-radius: 6px;
      font-size: 12px;
      color: #92400e;
    }

    /* Toggle switch for settings */
    .settings-toggle {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px;
      background: #f8fafc;
      border: 1px solid var(--panel-border);
      border-radius: 8px;
      margin-bottom: 16px;
    }

    .settings-toggle-info {
      flex: 1;
    }

    .settings-toggle-label {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-primary);
      margin-bottom: 2px;
    }

    .settings-toggle-desc {
      font-size: 12px;
      color: var(--text-secondary);
    }

    .toggle-switch {
      position: relative;
      width: 48px;
      height: 26px;
      margin-left: 12px;
    }

    .toggle-switch input {
      opacity: 0;
      width: 0;
      height: 0;
    }

    .toggle-slider {
      position: absolute;
      cursor: pointer;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: #cbd5e1;
      transition: 0.3s;
      border-radius: 26px;
    }

    .toggle-slider:before {
      position: absolute;
      content: "";
      height: 20px;
      width: 20px;
      left: 3px;
      bottom: 3px;
      background-color: white;
      transition: 0.3s;
      border-radius: 50%;
      box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    }

    .toggle-switch input:checked + .toggle-slider {
      background-color: var(--primary-color);
    }

    .toggle-switch input:checked + .toggle-slider:before {
      transform: translateX(22px);
    }

    /* AOI Manager Styles */
    .aoi-list-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px;
      background: #f8fafc;
      border: 2px solid transparent;
      border-radius: 8px;
      margin-bottom: 8px;
      transition: all 0.2s;
      cursor: pointer;
    }

    .aoi-list-item:hover {
      background: #f1f5f9;
      border-color: var(--panel-border);
    }

    .aoi-list-item.active {
      background: #eff6ff;
      border-color: var(--primary-color);
    }

    .aoi-list-item-radio {
      width: 20px;
      height: 20px;
      border: 2px solid var(--panel-border);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: all 0.2s;
    }

    .aoi-list-item.active .aoi-list-item-radio {
      border-color: var(--primary-color);
      background: var(--primary-color);
    }

    .aoi-list-item.active .aoi-list-item-radio::after {
      content: '';
      width: 8px;
      height: 8px;
      background: white;
      border-radius: 50%;
    }

    .aoi-list-item-info {
      flex: 1;
      min-width: 0;
    }

    .aoi-list-item-name {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-primary);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .aoi-list-item-meta {
      font-size: 12px;
      color: var(--text-secondary);
      margin-top: 2px;
    }

    .aoi-list-item-actions {
      display: flex;
      gap: 4px;
      flex-shrink: 0;
    }

    .aoi-action-btn {
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--panel-bg);
      border: 1px solid var(--panel-border);
      border-radius: 6px;
      cursor: pointer;
      font-size: 14px;
      transition: all 0.2s;
    }

    .aoi-action-btn:hover {
      background: var(--bg-color);
      border-color: var(--primary-color);
    }

    .aoi-action-btn.delete:hover {
      background: #fef2f2;
      border-color: var(--danger-color);
      color: var(--danger-color);
    }

    .aoi-action-btn.zoom:hover {
      background: #f0fdf4;
      border-color: var(--success-color);
    }

    /* Responsive */
    @media (max-width: 768px) {
      .layer-panel {
        position: fixed;
        left: -280px;
        top: 60px;
        bottom: 0;
        z-index: 900;
        transition: left 0.3s;
      }
      .layer-panel.open {
        left: 0;
      }
      .status-bar {
        left: 0;
      }
      .aoi-panel {
        width: 300px;
      }
    }

    /* ========================================
       RIGHT PANEL - Layers & Results Tabs
       ======================================== */

    /* Make right panel always visible with tabs */
    .right-panel {
      width: 360px;
      background: var(--panel-bg);
      border-left: 1px solid var(--panel-border);
      display: flex;
      flex-direction: column;
      z-index: 100;
      flex-shrink: 0;
    }

    /* Tabs */
    .tabs {
      display: flex;
      border-bottom: 1px solid var(--panel-border);
      background: var(--category-bg);
    }

    .tab {
      flex: 1;
      padding: 14px 16px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-secondary);
      background: transparent;
      border: none;
      cursor: pointer;
      transition: all 0.2s ease;
      position: relative;
    }

    .tab:hover {
      color: var(--text-primary);
      background: rgba(79, 107, 237, 0.05);
    }

    .tab.active {
      color: var(--accent);
      background: var(--panel-bg);
    }

    .tab.active::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--accent);
    }

    .tab-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 20px;
      height: 20px;
      padding: 0 6px;
      margin-left: 8px;
      font-size: 11px;
      font-weight: 600;
      background: var(--accent-light);
      color: var(--accent-dark);
      border-radius: 10px;
    }

    .tab.disabled {
      color: var(--text-muted);
      cursor: not-allowed;
      opacity: 0.5;
    }

    .tab.disabled:hover {
      background: transparent;
      color: var(--text-muted);
    }

    .tab.disabled .tab-badge {
      background: var(--border-light);
      color: var(--text-muted);
    }

    /* AOI Actions Header (shared between tabs) */
    .aoi-actions-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 16px;
      background: var(--category-bg);
      border-bottom: 1px solid var(--border-light);
    }

    .aoi-actions-title {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-primary);
    }

    /* Tab Content */
    .tab-content {
      display: none;
      flex: 1;
      overflow-y: auto;
      flex-direction: column;
    }

    .tab-content.active {
      display: flex;
    }

    /* ========================================
       LAYERS TAB
       ======================================== */
    .layers-content {
      flex: 1;
      overflow-y: auto;
      min-height: 0;
    }

    .layers-scroll {
      flex: 1;
      overflow-y: auto;
    }

    /* Categories */
    .category {
      border-bottom: 1px solid var(--border-light);
    }

    .category:last-child {
      border-bottom: none;
    }

    .category-header {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 16px;
      background: var(--category-bg);
      cursor: pointer;
      transition: background 0.15s ease;
      user-select: none;
    }

    .category-header:hover {
      background: #f1f5f9;
    }

    .category-chevron {
      width: 16px;
      height: 16px;
      color: var(--text-muted);
      transition: transform 0.2s ease;
      flex-shrink: 0;
    }

    .category.collapsed .category-chevron {
      transform: rotate(-90deg);
    }

    .category-name {
      flex: 1;
      font-size: 11px;
      font-weight: 600;
      color: var(--text-secondary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .category-count {
      font-size: 11px;
      color: var(--text-muted);
    }

    .category-layers {
      overflow: hidden;
      transition: max-height 0.25s ease;
    }

    .category.collapsed .category-layers {
      max-height: 0 !important;
      display: none;
    }

    /* Layer Rows */
    .layer-row {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 10px 16px 10px 36px;
      border-top: 1px solid var(--border-light);
      cursor: pointer;
      transition: background 0.15s ease;
    }

    .layer-row:hover {
      background: var(--layer-hover);
    }

    .layer-row:first-child {
      border-top: none;
    }

    /* Custom Checkbox */
    .checkbox-wrapper {
      position: relative;
      flex-shrink: 0;
      margin-top: 1px;
    }

    .checkbox-wrapper input {
      position: absolute;
      opacity: 0;
      cursor: pointer;
      height: 0;
      width: 0;
    }

    .checkmark {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 16px;
      height: 16px;
      background: var(--panel-bg);
      border: 2px solid var(--panel-border);
      border-radius: 3px;
      transition: all 0.15s ease;
    }

    .checkbox-wrapper:hover .checkmark {
      border-color: var(--accent);
    }

    .checkbox-wrapper input:checked ~ .checkmark {
      background: var(--accent);
      border-color: var(--accent);
    }

    .checkmark svg {
      width: 10px;
      height: 10px;
      color: white;
      opacity: 0;
      transform: scale(0.5);
      transition: all 0.15s ease;
    }

    .checkbox-wrapper input:checked ~ .checkmark svg {
      opacity: 1;
      transform: scale(1);
    }

    /* Layer Info */
    .layer-info {
      flex: 1;
      min-width: 0;
    }

    .layer-name {
      font-size: 13px;
      font-weight: 500;
      color: var(--text-primary);
      line-height: 1.3;
    }

    .layer-desc {
      font-size: 11px;
      color: var(--text-muted);
      margin-top: 2px;
    }

    /* Layer Options (dropdowns, etc.) */
    .layer-options {
      flex-shrink: 0;
      display: flex;
      align-items: center;
      margin-left: auto;
    }

    .layer-option-select {
      font-size: 11px;
      padding: 4px 8px;
      border: 1px solid var(--border-light);
      border-radius: 4px;
      background: var(--surface);
      color: var(--text-secondary);
      cursor: pointer;
      outline: none;
      transition: all 0.15s ease;
    }

    .layer-option-select:hover {
      border-color: var(--border-medium);
    }

    .layer-option-select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
    }

    .layer-option-input {
      font-size: 11px;
      padding: 4px 6px;
      border: 1px solid var(--border-light);
      border-radius: 4px;
      background: var(--surface);
      color: var(--text-secondary);
      outline: none;
      transition: all 0.15s ease;
      width: 45px;
      text-align: center;
    }

    .layer-option-input:hover {
      border-color: var(--border-medium);
    }

    .layer-option-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
    }

    /* Hide number input spinners */
    .layer-option-input::-webkit-outer-spin-button,
    .layer-option-input::-webkit-inner-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }
    .layer-option-input[type=number] {
      -moz-appearance: textfield;
    }

    .layer-option-unit {
      font-size: 11px;
      color: var(--text-muted);
      margin-left: 4px;
    }

    /* Layer Status */
    .layer-status {
      flex-shrink: 0;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .settings-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      border: none;
      background: transparent;
      color: var(--text-muted);
      border-radius: 4px;
      cursor: pointer;
      transition: all 0.15s ease;
    }

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

    /* ========================================
       RESULTS TAB
       ======================================== */
    .results-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 16px;
      border-bottom: 1px solid var(--border-light);
    }

    .results-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-primary);
    }

    .header-actions {
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .icon-btn {
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: none;
      background: transparent;
      border-radius: 4px;
      cursor: pointer;
      color: var(--text-muted);
      transition: all 0.15s ease;
    }

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

    .results-scroll {
      flex: 1;
      overflow-y: auto;
    }

    /* Empty State */
    .empty-state {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 48px 24px;
      text-align: center;
    }

    .empty-state svg {
      width: 48px;
      height: 48px;
      color: var(--text-muted);
      opacity: 0.5;
      margin-bottom: 16px;
    }

    .empty-state h3 {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 8px;
    }

    .empty-state p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Results Summary */
    .results-summary {
      padding: 16px;
      border-bottom: 1px solid var(--border-light);
      background: var(--category-bg);
    }

    .results-total {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .results-label {
      font-size: 13px;
      color: var(--text-secondary);
    }

    .results-count {
      font-size: 20px;
      font-weight: 700;
      color: var(--accent);
    }

    .results-aoi-info {
      font-size: 11px;
      color: var(--text-muted);
      margin-top: 6px;
    }

    /* Result Rows */
    .result-row {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 16px;
      border-bottom: 1px solid var(--border-light);
      cursor: pointer;
      transition: background 0.15s ease;
    }

    .result-row:hover {
      background: var(--layer-hover);
    }

    .result-row:last-child {
      border-bottom: none;
    }

    /* Remove border when followed by DEM badges or FIRM panels */
    .result-row:has(+ .dem-resolution-badges),
    .result-row:has(+ .firm-panels-section) {
      border-bottom: none;
    }

    .dem-resolution-badges {
      border-bottom: 1px solid var(--border-light);
    }

    .firm-panels-section {
      border-bottom: 1px solid var(--border-light);
    }

    .result-color {
      width: 4px;
      height: 32px;
      border-radius: 2px;
      flex-shrink: 0;
    }

    .result-info {
      flex: 1;
      min-width: 0;
    }

    .result-name {
      font-size: 13px;
      font-weight: 500;
      color: var(--text-primary);
    }

    .result-detail {
      font-size: 11px;
      color: var(--text-muted);
      margin-top: 2px;
    }

    .result-count {
      font-size: 16px;
      font-weight: 600;
      color: var(--accent);
    }

    .result-raster {
      font-size: 11px;
      color: var(--text-muted);
    }

    .result-derived {
      font-size: 11px;
      color: var(--text-muted);
    }

    .result-error {
      font-size: 11px;
      color: var(--text-muted);
      cursor: help;
    }

    /* Visibility Toggle Button in Results Tab */
    .visibility-toggle {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      border: none;
      background: var(--border-light);
      border-radius: 6px;
      cursor: pointer;
      color: var(--text-muted);
      transition: all 0.15s ease;
      flex-shrink: 0;
    }

    .visibility-toggle:hover {
      background: var(--accent-light);
      color: var(--accent);
    }

    .visibility-toggle.active {
      background: var(--accent);
      color: white;
    }

    .visibility-toggle.active:hover {
      background: var(--accent-dark);
    }

    .visibility-toggle.loading {
      background: var(--accent-light);
      color: var(--accent);
      cursor: wait;
    }

    .visibility-toggle.loading:hover {
      background: var(--accent-light);
    }

    .visibility-toggle .spinner-icon {
      animation: spin 1s linear infinite;
    }

    /* FEMA FIRM Panels Section */
    .firm-panels-section {
      padding: 8px 16px 12px 56px;
      background: var(--category-bg);
      border-bottom: 1px solid var(--border-light);
    }

    .firm-panels-header {
      font-size: 11px;
      font-weight: 600;
      color: var(--text-secondary);
      margin-bottom: 8px;
    }

    .firm-panels-list {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .firm-panel-link {
      display: inline-block;
      padding: 4px 8px;
      font-size: 11px;
      font-weight: 500;
      color: var(--accent);
      background: var(--accent-light);
      border-radius: 4px;
      text-decoration: none;
      transition: all 0.15s ease;
    }

    .firm-panel-link:hover {
      background: var(--accent);
      color: white;
    }

    /* Export Button */
    .export-section-panel {
      padding: 16px;
      border-top: 1px solid var(--border-light);
      background: var(--panel-bg);
    }

    .export-btn {
      display: block;
      width: 100%;
      padding: 12px;
      font-size: 14px;
      font-weight: 600;
      color: white;
      background: var(--accent);
      border: none;
      border-radius: 8px;
      cursor: pointer;
      transition: background 0.15s ease;
    }

    .export-btn:hover {
      background: var(--accent-dark);
    }

    .export-btn:disabled {
      background: var(--panel-border);
      color: var(--text-muted);
      cursor: not-allowed;
    }

    /* API Status Footer */
    .api-status-footer {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      font-size: 11px;
      color: var(--text-muted);
      border-top: 1px solid var(--border-light);
    }

    .status-dot-small {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success-color);
    }

    /* Layer loading spinner in layer row */
    .layer-spinner {
      width: 14px;
      height: 14px;
      border: 2px solid var(--border-light);
      border-top-color: var(--accent);
      border-radius: 50%;
      animation: spin 0.8s linear infinite;
    }

    /* ================================
       Attribute Table Modal
       ================================ */

    .modal-content.attribute-modal {
      max-width: 1100px;
      width: 95%;
      max-height: 85vh;
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: visible;
    }

    /* Attribute Table Button in Results Row */
    .attribute-table-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      border: none;
      background: var(--border-light);
      border-radius: 6px;
      cursor: pointer;
      color: var(--text-muted);
      transition: all 0.15s ease;
      flex-shrink: 0;
    }

    .attribute-table-btn:hover {
      background: var(--accent-light);
      color: var(--accent);
    }

    .attribute-table-btn:disabled {
      opacity: 0.4;
      cursor: not-allowed;
    }

    .attribute-table-btn:disabled:hover {
      background: var(--border-light);
      color: var(--text-muted);
    }

    /* Toolbar */
    .attribute-toolbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 16px;
      background: var(--bg-secondary);
      border-bottom: 1px solid var(--panel-border);
      gap: 12px;
      flex-shrink: 0;
      position: relative;
    }

    .attribute-toolbar-left,
    .attribute-toolbar-right {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .attribute-toolbar-btn {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px 12px;
      background: var(--panel-bg);
      border: 1px solid var(--panel-border);
      border-radius: 6px;
      font-size: 12px;
      color: var(--text-secondary);
      cursor: pointer;
      transition: all 0.15s ease;
    }

    .attribute-toolbar-btn:hover {
      background: var(--accent-light);
      border-color: var(--accent);
      color: var(--accent);
    }

    .attribute-toolbar-btn.active {
      background: var(--accent);
      border-color: var(--accent);
      color: white;
    }

    /* Make Columns button more prominent */
    .attribute-toolbar-btn.columns-btn {
      background: var(--accent-light);
      border-color: var(--accent);
      color: var(--accent);
      font-weight: 500;
    }

    .attribute-toolbar-btn.columns-btn:hover {
      background: var(--accent);
      color: white;
    }

    .attribute-selection-count {
      font-size: 12px;
      color: var(--text-muted);
      padding-left: 8px;
      border-left: 1px solid var(--panel-border);
    }

    /* Column visibility dropdown */
    .attribute-column-dropdown {
      display: none;
      position: absolute;
      top: 110px;
      right: 16px;
      width: 280px;
      max-height: 320px;
      background: var(--panel-bg);
      border: 1px solid var(--panel-border);
      border-radius: 8px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.15);
      z-index: 1000;
      overflow: hidden;
      overflow-y: auto;
    }

    .attribute-column-dropdown.visible {
      display: block;
    }

    .attribute-column-dropdown-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 14px;
      background: var(--bg-secondary);
      border-bottom: 1px solid var(--panel-border);
      font-size: 13px;
      font-weight: 500;
      color: var(--text-primary);
    }

    .attribute-column-dropdown-close {
      background: none;
      border: none;
      font-size: 18px;
      color: var(--text-muted);
      cursor: pointer;
      padding: 0;
      line-height: 1;
    }

    .attribute-column-dropdown-close:hover {
      color: var(--text-primary);
    }

    .attribute-column-dropdown-hint {
      padding: 8px 14px;
      font-size: 11px;
      color: var(--text-muted);
      background: var(--bg-secondary);
      border-bottom: 1px solid var(--panel-border);
    }

    .attribute-column-list {
      max-height: 260px;
      overflow-y: auto;
      padding: 8px 0;
    }

    .attribute-column-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 14px;
      cursor: pointer;
      transition: background 0.15s ease;
    }

    .attribute-column-item:hover {
      background: var(--layer-hover);
    }

    .attribute-column-item input[type="checkbox"] {
      width: 16px;
      height: 16px;
      cursor: pointer;
      accent-color: var(--accent);
    }

    .attribute-column-item label {
      flex: 1;
      font-size: 12px;
      color: var(--text-secondary);
      cursor: pointer;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    /* Table container */
    .attribute-table-container {
      flex: 1;
      overflow: auto;
      position: relative;
    }

    .attribute-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 12px;
    }

    .attribute-table thead {
      position: sticky;
      top: 0;
      z-index: 10;
      background: var(--bg-secondary);
    }

    .attribute-table th {
      padding: 10px 12px;
      text-align: left;
      font-weight: 600;
      color: var(--text-secondary);
      border-bottom: 2px solid var(--panel-border);
      white-space: nowrap;
      cursor: pointer;
      user-select: none;
      transition: background 0.15s ease;
    }

    .attribute-table th:hover {
      background: var(--layer-hover);
    }

    .attribute-table th.sorted-asc::after {
      content: ' ▲';
      font-size: 10px;
      color: var(--accent);
    }

    .attribute-table th.sorted-desc::after {
      content: ' ▼';
      font-size: 10px;
      color: var(--accent);
    }

    .attribute-table th.checkbox-col,
    .attribute-table td.checkbox-col {
      width: 40px;
      text-align: center;
      cursor: default;
    }

    .attribute-table th.actions-col,
    .attribute-table td.actions-col {
      width: 50px;
      text-align: center;
      cursor: default;
    }

    .attribute-table th.checkbox-col:hover,
    .attribute-table th.actions-col:hover {
      background: var(--bg-secondary);
    }

    .attribute-table td {
      padding: 10px 12px;
      border-bottom: 1px solid var(--border-light);
      color: var(--text-primary);
      max-width: 250px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .attribute-table td.wrap {
      white-space: normal;
      word-break: break-word;
    }

    .attribute-table tbody tr {
      transition: background 0.15s ease;
    }

    .attribute-table tbody tr:hover {
      background: var(--layer-hover);
    }

    .attribute-table tbody tr.selected {
      background: var(--accent-light);
    }

    .attribute-table tbody tr.selected:hover {
      background: #dbeafe;
    }

    /* Row checkbox */
    .attribute-row-checkbox {
      width: 16px;
      height: 16px;
      cursor: pointer;
      accent-color: var(--accent);
    }

    /* Zoom button in row */
    .attribute-zoom-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      border: none;
      background: transparent;
      border-radius: 4px;
      cursor: pointer;
      color: var(--text-muted);
      transition: all 0.15s ease;
    }

    .attribute-zoom-btn:hover {
      background: var(--accent-light);
      color: var(--accent);
    }

    /* Footer */
    .modal-footer .attribute-footer-left {
      flex: 1;
      font-size: 12px;
      color: var(--text-muted);
    }

    .modal-footer .attribute-footer-right {
      display: flex;
      gap: 8px;
    }

    /* Empty state */
    .attribute-empty-state {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 60px 20px;
      color: var(--text-muted);
      text-align: center;
    }

    .attribute-empty-state svg {
      margin-bottom: 16px;
      opacity: 0.5;
    }

    .attribute-empty-state p {
      font-size: 14px;
      margin: 0;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .modal-content.attribute-modal {
        width: 100%;
        max-height: 100vh;
        border-radius: 0;
      }

      .attribute-toolbar {
        flex-wrap: wrap;
        padding: 10px 12px;
      }

      .attribute-toolbar-btn span {
        display: none;
      }

      .attribute-table td {
        max-width: 150px;
      }
    }

    /* =========================================
       PROJECT WORKSPACE STYLES
       ========================================= */

    /* Project List Item */
    .project-list-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px 16px;
      border: 1px solid var(--panel-border);
      border-radius: 8px;
      margin-bottom: 10px;
      cursor: pointer;
      transition: all 0.2s;
      background: var(--panel-bg);
    }

    .project-list-item:hover {
      border-color: var(--primary-color);
      background: var(--layer-hover);
    }

    .project-list-item-icon {
      font-size: 24px;
      line-height: 1;
      flex-shrink: 0;
    }

    .project-list-item-info {
      flex: 1;
      min-width: 0;
    }

    .project-list-item-name {
      font-weight: 600;
      font-size: 14px;
      color: var(--text-primary);
      margin-bottom: 4px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .project-list-item-meta {
      font-size: 12px;
      color: var(--text-secondary);
      line-height: 1.4;
    }

    .project-list-item-actions {
      display: flex;
      gap: 6px;
      flex-shrink: 0;
    }

    .project-action-btn {
      width: 32px;
      height: 32px;
      border: 1px solid var(--panel-border);
      border-radius: 6px;
      background: white;
      cursor: pointer;
      font-size: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s;
    }

    .project-action-btn:hover {
      background: var(--bg-color);
      border-color: var(--text-secondary);
    }

    .project-action-btn.primary {
      background: var(--primary-color);
      border-color: var(--primary-color);
      color: white;
    }

    .project-action-btn.primary:hover {
      background: var(--primary-dark);
    }

    .project-action-btn.danger:hover {
      background: #fee2e2;
      border-color: var(--danger-color);
      color: var(--danger-color);
    }

    /* Data Sources Selector Categories */
    .source-category {
      margin-bottom: 20px;
    }

    .source-category-name {
      font-weight: 600;
      font-size: 11px;
      color: var(--text-secondary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 10px;
      padding-left: 4px;
    }

    .source-category-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 8px;
    }

    .source-item {
      display: flex;
      align-items: flex-start;
      padding: 10px 12px;
      border: 1px solid var(--panel-border);
      border-radius: 6px;
      cursor: pointer;
      transition: all 0.15s;
      background: white;
    }

    .source-item:hover {
      background: var(--bg-color);
    }

    .source-item.selected {
      background: #eff6ff;
      border-color: var(--primary-color);
    }

    .source-item input[type="checkbox"] {
      width: 16px;
      height: 16px;
      margin-right: 10px;
      margin-top: 2px;
      cursor: pointer;
      flex-shrink: 0;
    }

    .source-item-info {
      flex: 1;
      min-width: 0;
    }

    .source-item-name {
      font-weight: 500;
      font-size: 12px;
      color: var(--text-primary);
      margin-bottom: 2px;
    }

    .source-item-description {
      font-size: 10px;
      color: var(--text-secondary);
      line-height: 1.3;
    }

    /* Cleaner select dropdown */
    .project-form-select {
      width: 100%;
      padding: 10px 12px;
      border: 1px solid var(--panel-border);
      border-radius: 6px;
      font-size: 14px;
      background: white;
      cursor: pointer;
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 12px center;
      padding-right: 36px;
    }

    .project-form-select:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    }

    .project-form-select option {
      padding: 10px;
    }

    /* Project Header in Results Panel */
    .project-results-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 16px;
      background: linear-gradient(135deg, #eff6ff, #e0e7ff);
      border-bottom: 1px solid #bfdbfe;
    }

    .project-results-header .project-name {
      font-weight: 600;
      font-size: 13px;
      color: #1e40af;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .project-results-header .project-name svg {
      flex-shrink: 0;
    }

    .project-results-header .close-project-btn {
      padding: 5px 12px;
      font-size: 12px;
      border: 1px solid #93c5fd;
      background: white;
      border-radius: 4px;
      cursor: pointer;
      color: var(--primary-color);
      font-weight: 500;
      transition: all 0.15s;
    }

    .project-results-header .close-project-btn:hover {
      background: #dbeafe;
      border-color: var(--primary-color);
    }

    /* Form validation states */
    .form-group input:focus,
    .form-group select:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    }

    .form-group input.error,
    .form-group select.error {
      border-color: var(--danger-color);
    }

    /* Project empty state styling */
    .project-empty-state {
      background: var(--bg-color);
      border-radius: 8px;
      margin: 8px 0;
    }

    /* Welcome modal cards - CSP-safe hover effects */
    .welcome-card {
      border-radius: 10px;
      padding: 16px 14px;
      text-align: center;
      text-decoration: none;
      display: flex;
      flex-direction: column;
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .welcome-card:hover {
      transform: translateY(-2px);
    }
    .welcome-card-cyan {
      background: linear-gradient(135deg, #ecfeff 0%, #f8fafc 100%);
      border: 1px solid #a5f3fc;
    }
    .welcome-card-cyan:hover {
      box-shadow: 0 4px 12px rgba(8,145,178,0.15);
    }
    .welcome-card-purple {
      background: linear-gradient(135deg, #f5f3ff 0%, #f8fafc 100%);
      border: 1px solid #ddd6fe;
    }
    .welcome-card-purple:hover {
      box-shadow: 0 4px 12px rgba(139,92,246,0.15);
    }

    /* Footer links - CSP-safe hover effects */
    .footer-link {
      color: var(--text-secondary);
      text-decoration: none;
      opacity: 0.7;
      transition: opacity 0.2s;
    }
    .footer-link:hover {
      opacity: 1;
    }