/* Minimal Todo App - Main Styles */

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

  body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      background: linear-gradient(135deg, #0b1220 0%, #1a1f2e 100%);
      color: #e5e7eb;
      line-height: 1.6;
      min-height: 100vh;
      margin: 0;
      padding: 20px;
  }

  .container {
      max-width: 800px;
      margin: 0 auto;
      padding: 0;
      width: 100%;
  }

  .header {
      text-align: center;
      margin-bottom: 30px;
  }

  .header h1 {
      color: #3b82f6;
      font-size: 2rem;
      margin-bottom: 10px;
  }

  .header p {
      color: #9ca3af;
      font-size: 0.9rem;
  }

  /* Login Form */
  .login-form {
      background: #111827;
      padding: 30px;
      border-radius: 12px;
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
      border: 1px solid #1f2937;
  }

  .form-group {
      margin-bottom: 20px;
  }

  .form-group label {
      display: block;
      margin-bottom: 8px;
      color: #d1d5db;
      font-weight: 500;
  }

  .form-group input {
      width: 100%;
      padding: 12px;
      border: 1px solid #4b5563;
      border-radius: 8px;
      background: #374151;
      color: #e5e5e5;
      font-size: 16px;
  }

  .form-group input:focus {
      outline: none;
      border-color: #3b82f6;
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  }

  .btn {
      background: #3b82f6;
      color: white;
      border: none;
      padding: 12px 24px;
      border-radius: 8px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 500;
      transition: all 0.2s;
      width: 100%;
  }

  .btn:hover {
      background: #2563eb;
      transform: translateY(-1px);
  }

  .btn:active {
      transform: translateY(0);
  }

  .btn-secondary {
      background: #6b7280;
  }

  .btn-secondary:hover {
      background: #4b5563;
  }

  /* Todo App */
  .todo-app {
      background: #111827;
      border-radius: 12px;
      padding: 20px;
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
      border: 1px solid #1f2937;
      max-width: 800px;
      margin: 0 auto;
      width: 100%;
  }

  .todo-input {
      display: flex;
      gap: 10px;
      margin-bottom: 20px;
  }

  .todo-input input {
      flex: 1;
      padding: 12px;
      border: 1px solid #4b5563;
      border-radius: 8px;
      background: #374151;
      color: #e5e5e5;
      font-size: 16px;
  }

  .todo-input input:focus {
      outline: none;
      border-color: #3b82f6;
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  }

  .todo-input button {
      padding: 12px 20px;
      background: #10b981;
      color: white;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-weight: 500;
      transition: all 0.2s;
  }

  .todo-input button:hover {
      background: #059669;
  }

  /* Filter Controls */
  .filter-controls {
      margin-bottom: 20px;
      position: relative;
  }

  /* Filter Dropdown Container - Single unified element */
  .filter-dropdown-container {
      background: #374151;
      border: 1px solid #4b5563;
      border-radius: 6px;
      margin-bottom: 20px;
      overflow: hidden;
  }

  /* Filter Dropdown Toggle */
  .filter-dropdown-toggle {
      margin-bottom: 0;
  }

  .filter-dropdown-btn {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 16px;
      background: #374151;
      color: #d1d5db;
      border: none;
      cursor: pointer;
      font-size: 14px;
      transition: all 0.2s;
      width: 100%;
      justify-content: space-between;
      margin-bottom: 0;
  }

  .filter-dropdown-btn:hover {
      background: #4b5563;
  }

  .filter-dropdown-text {
      font-weight: 500;
  }

  .filter-dropdown-icon {
      transition: transform 0.2s;
      font-size: 12px;
  }

  .filter-dropdown-icon.open {
      transform: rotate(180deg);
  }

  /* Filter Dropdown Content */
  .filter-dropdown-content {
      display: none;
      background: #374151;
      border: none;
      border-top: 1px solid #4b5563;
      padding: 15px;
      margin: 0;
  }

  .filter-dropdown-content.open {
      display: block;
  }

  .filter-dropdown-content .filter-buttons {
      display: flex;
      gap: 10px;
      margin-bottom: 15px;
      flex-wrap: wrap;
  }

  .filter-btn {
      padding: 8px 16px;
      background: #374151;
      color: #d1d5db;
      border: 1px solid #4b5563;
      border-radius: 6px;
      cursor: pointer;
      font-size: 14px;
      transition: all 0.2s;
  }

  .filter-btn:hover {
      background: #4b5563;
  }

  .filter-btn.active {
      background: #3b82f6;
      color: white;
      border-color: #3b82f6;
  }

  /* Category Filter */
  .category-filter {
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin: 10px 0;
  }

  .category-filter-header {
      display: flex;
      align-items: center;
  }

  .category-filter-label {
      font-size: 14px;
      color: #9ca3af;
      font-weight: 500;
  }

  .category-filter-buttons {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
  }

  .category-filter-btn {
      padding: 6px 12px;
      background: #374151;
      color: #d1d5db;
      border: 1px solid #4b5563;
      border-radius: 6px;
      cursor: pointer;
      font-size: 13px;
      transition: all 0.2s;
      user-select: none;
  }

  .category-filter-btn:hover {
      background: #4b5563;
      transform: translateY(-1px);
  }

  .category-filter-btn.active {
      background: #10b981;
      color: white;
      border-color: #10b981;
      box-shadow: 0 2px 4px rgba(16, 185, 129, 0.3);
  }

  .category-filter-btn:active {
      transform: translateY(0);
  }

  /* Manage Categories Button */
  .manage-categories-section {
      margin: 10px 0;
      display: flex;
      justify-content: flex-start;
  }

  .manage-categories-btn {
      padding: 8px 16px;
      background: #6b7280;
      color: white;
      border: 1px solid #6b7280;
      border-radius: 6px;
      cursor: pointer;
      font-size: 14px;
      font-weight: 500;
      transition: all 0.2s;
  }

  .manage-categories-btn:hover {
      background: #4b5563;
      border-color: #4b5563;
      transform: translateY(-1px);
  }

  .manage-categories-btn:active {
      transform: translateY(0);
  }

  /* Todo List */
  .todo-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
  }

  .todo {
      display: flex;
      flex-direction: column;
      gap: 0;
      padding: 12px;
      background: #0b1220;
      border-radius: 8px;
      border: 1px solid #1f2937;
      transition: all 0.2s ease;
      cursor: pointer;
      position: relative;
      transform: translateZ(0);
      /* Enable hardware acceleration */
      will-change: transform, background-color, border-color, height;
  }

  .todo.expanded {
      transition: all 0.4s ease;
  }

  .todo-header {
      display: flex;
      align-items: center;
      gap: 12px;
      width: 100%;
  }

  .todo.collapsed {
      min-height: 48px;
  }

  .todo.expanded {
      min-height: 60px;
      padding: 16px 12px;
      border-color: #3b82f6;
  }

  .todo.expanded .name {
      font-weight: 500;
  }



  .todo.done {
      opacity: 0.6;
      text-decoration: line-through;
      color: #9ca3af;
  }

  /* Section separators */
  .section-title {
      font-size: 14px;
      color: #9ca3af;
      margin: 16px 0 8px 0;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
  }

  .separator {
      height: 1px;
      background: #374151;
      margin: 16px 0;
      border: none;
  }

  .todo.editing {
      background: #1f2937;
      border-color: #3b82f6;
  }

  .todo.dragging {
      opacity: 0.7;
      transform: scale(1.02);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      position: relative;
  }

  .todo.drag-preview {
      transition: transform 0.2s ease;
  }

  .todo.dragging {
      opacity: 0.7;
      transform: scale(1.02);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      position: relative;
  }

  .drag {
      cursor: grab;
      color: #9ca3af;
      font-size: 18px;
      padding: 4px;
      border-radius: 4px;
      transition: all 0.2s;
      user-select: none;
  }

  .drag:hover {
      color: #3b82f6;
      background: rgba(59, 130, 246, 0.1);
  }

  .drag:active {
      cursor: grabbing;
  }

  .drag.dragging {
      color: #3b82f6;
      transform: scale(1.1);
  }

  .drag.long-press {
      color: #0ea5e9;
      background: rgba(14, 165, 233, 0.2);
      transform: scale(1.1);
      transition: all 0.2s ease;
  }

  .todo.drag-preview {
      opacity: 0.5;
      transform: scale(0.95);
  }

  .name-container {
      display: flex;
      align-items: center;
      flex: 1;
      gap: 8px;
  }

  .name {
      flex: 0 0 auto;
      cursor: pointer;
      transition: color 0.2s ease;
      border-radius: 4px;
      padding: 2px 4px;
      margin: -2px -4px;
  }

  .name:hover {
      color: #3b82f6;
      background: rgba(59, 130, 246, 0.05);
  }

  .name-edit-input {
      flex: 0 0 auto;
      background: #374151;
      border: 1px solid #3b82f6;
      border-radius: 4px;
      color: #e5e7eb;
      font-size: inherit;
      font-family: inherit;
      padding: 2px 6px;
      margin: -2px -6px;
      outline: none;
      min-width: 200px;
  }

  .name-edit-input:focus {
      box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
  }

  .expand-icon {
      background: none;
      border: none;
      cursor: pointer;
      color: #9ca3af;
      font-size: 12px;
      padding: 8px;
      border-radius: 6px;
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      opacity: 0.6;
  }

  .expand-icon:hover {
      color: #3b82f6;
      background: rgba(59, 130, 246, 0.1);
      opacity: 1;
  }

  .expand-icon:focus {
      outline: none;
      color: #3b82f6;
      background: rgba(59, 130, 246, 0.1);
      opacity: 1;
  }

  .muted {
      color: #9ca3af;
      font-size: 0.9rem;
  }

  .edit-input {
      flex: 1;
      padding: 8px;
      border: 1px solid #3b82f6;
      border-radius: 4px;
      background: #1f2937;
      color: #e5e5e5;
      font-size: 16px;
  }

  .edit-input:focus {
      outline: none;
      box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
  }

  /* Checkbox */
  input[type="checkbox"] {
      width: 18px;
      height: 18px;
      cursor: pointer;
      accent-color: #3b82f6;
  }

  /* Status */
  .status {
      text-align: center;
      padding: 20px;
      color: #9ca3af;
      font-style: italic;
  }

  /* Responsive */
  @media (max-width: 1024px) {
      .todo-app {
          max-width: 90%;
          margin: 0 auto;
      }
  }

  @media (max-width: 768px) {
      body {
          padding: 15px;
      }

      .todo-app {
          padding: 15px;
      }
  }

  @media (max-width: 640px) {
      body {
          padding: 10px;
      }

      .todo-app {
          padding: 12px;
          max-width: 100%;
      }

      .todo-input {
          flex-direction: column;
      }

      .filter-controls {
          justify-content: center;
      }

      .filter-btn {
          flex: 1;
          min-width: 0;
      }
  }

  /* Animations */
  @keyframes fadeIn {
      from {
          opacity: 0;
          transform: translateY(10px);
      }

      to {
          opacity: 1;
          transform: translateY(0);
      }
  }

  .todo {
      animation: fadeIn 0.3s ease;
  }

  /* Focus styles for accessibility */
  .todo:focus-within {
      outline: 2px solid #3b82f6;
      outline-offset: 2px;
  }

  /* Header with logout link */
  .header-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
  }

  .header-actions {
      display: flex;
      align-items: center;
      gap: 15px;
  }

  .logout-link {
      color: #9ca3af;
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s;
  }

  .logout-link:hover {
      color: #e5e7eb;
      text-decoration: underline;
  }

  /* Updated filter controls */
  .filter-controls {
      display: flex;
      flex-direction: column;
      gap: 15px;
      margin-bottom: 20px;
  }

  .filter-buttons {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
  }

  .age-filter {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
  }

  .age-filter label {
      color: #9ca3af;
      font-size: 0.9rem;
      white-space: nowrap;
  }

  .age-filter select {
      background: #374151;
      color: #e5e5e5;
      border: 1px solid #4b5563;
      border-radius: 6px;
      padding: 6px 10px;
      font-size: 0.9rem;
      min-width: 120px;
  }

  .age-filter select:focus {
      outline: none;
      border-color: #3b82f6;
      box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
  }

  /* Todo item with timestamps */
  .todo-content {
      display: flex;
      flex-direction: column;
      gap: 4px;
      cursor: pointer;
      transition: all 0.2s ease;
      margin-top: 8px;
      margin-left: 10px;
      margin-right: 10px;
      width: calc(100% - 20px);
      overflow: hidden;
      max-height: 0;
      opacity: 0;
      transform: translateY(-10px);
  }


  .todo.collapsed .todo-content {
      max-height: 0;
      opacity: 0;
      transform: translateY(-10px);
      margin-top: 0;
      padding-top: 0;
      padding-bottom: 0;
  }

  .todo.expanded .todo-content {
      flex-direction: column;
      align-items: flex-start;
      max-height: 1000px;
      opacity: 1;
      transform: translateY(0);
      margin-top: 8px;
      padding-top: 8px;
      padding-bottom: 8px;
      transition: all 0.4s ease;
  }

  .todo.expanded .name-container {
      display: flex;
      align-items: center;
      flex: 1;
      gap: 8px;
      width: 100%;
  }

  .timestamps {
      display: flex;
      flex-direction: column;
      gap: 2px;
      font-size: 0.75rem;
      color: #9ca3af;
      margin-top: 4px;
      padding-top: 12px;
      border-top: 1px solid #374151;
      opacity: 0;
      transform: translateY(-5px);
      transition: opacity 0.2s ease, transform 0.2s ease;
      will-change: opacity, transform;
  }

  .todo.expanded .timestamps {
      opacity: 1;
      transform: translateY(0);
  }

  .timestamp {
      opacity: 0.8;
      font-size: 0.7rem;
      line-height: 1.2;
  }

  .done-timestamp {
      color: #10b981;
      font-weight: 500;
  }

  /* Todo details in expanded mode */
  .todo-details {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-top: 8px;
      width: 100%;
  }

  .todo-category,
  .todo-parent {
      display: flex;
      gap: 4px;
      font-size: 0.75rem;
      color: #9ca3af;
  }

  .todo-fields {
      margin-top: 12px;
      width: 100%;
  }

  .todo-fields::after {
      content: '';
      height: 1px;
      background: #374151;
      margin: 12px 0 8px 0;
  }

  .field-group {
      margin-bottom: 20px;
  }

  .field-row {
      display: flex;
      gap: 16px;
  }

  .field-row .field-group {
      flex: 1;
      margin-bottom: 0;
  }

  .field-label {
      display: block;
      margin-bottom: 8px;
      color: #d1d5db;
      font-weight: 500;
      font-size: 14px;
  }

  .field-input,
  .field-textarea,
  .field-select {
      background: #374151;
      border: 1px solid #4b5563;
      border-radius: 8px;
      color: #e5e5e5;
      font-size: 14px;
      font-family: inherit;
      padding: 12px;
      transition: all 0.2s ease;
      width: 100%;
      box-sizing: border-box;
  }

  .field-input:focus,
  .field-textarea:focus,
  .field-select:focus {
      outline: none;
      border-color: #3b82f6;
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  }

  .field-input:hover,
  .field-textarea:hover,
  .field-select:hover {
      border-color: #6b7280;
  }

  .field-textarea {
      resize: vertical;
      min-height: 100px;
      line-height: 1.5;
  }

  .field-select {
      cursor: pointer;
  }

  .todo-actions {
      display: flex;
      justify-content: flex-end;
      margin-top: 12px;
      padding-top: 8px;
      border-top: 1px solid #374151;
  }

  .delete-button {
      background: #dc2626;
      color: white;
      border: none;
      border-radius: 4px;
      padding: 6px 12px;
      font-size: 12px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
  }

  .delete-button:hover {
      background: #b91c1c;
      transform: translateY(-1px);
  }

  .delete-button:active {
      transform: translateY(0);
  }

  .todo-notes {
      display: flex;
      flex-direction: column;
      gap: 4px;
      font-size: 0.75rem;
      color: #9ca3af;
      margin-top: 8px;
  }

  .category-label,
  .parent-label,
  .notes-label {
      font-weight: 500;
      color: #6b7280;
  }

  .category-value {
      color: #3b82f6;
      font-weight: 500;
  }

  .parent-value {
      color: #f59e0b;
      font-weight: 500;
  }

  .notes-value {
      color: #6b7280;
      font-style: normal;
      line-height: 1.4;
      background: #f9fafb;
      padding: 8px;
      border-radius: 4px;
      border: 1px solid #e5e7eb;
      max-width: 100%;
      word-wrap: break-word;
  }

  .notes-input {
      width: 100%;
      padding: 6px 8px;
      border: 1px solid #d1d5db;
      border-radius: 4px;
      background: #f9fafb;
      color: #374151;
      font-size: 0.75rem;
      font-family: inherit;
      resize: vertical;
      min-height: 40px;
      line-height: 1.4;
      margin-top: 4px;
  }

  .notes-input:focus {
      outline: none;
      border-color: #3b82f6;
      box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
      background: #ffffff;
  }

  .notes-input::placeholder {
      color: #9ca3af;
      font-style: italic;
  }


  /* Mobile responsive updates */
  @media (max-width: 640px) {
      .header-content {
          flex-direction: column;
          text-align: center;
      }

      .logout-link {
          align-self: center;
      }

      .age-filter {
          justify-content: center;
      }

      .filter-buttons {
          justify-content: center;
      }
  }

  /* High contrast mode support */
  @media (prefers-contrast: high) {
      .todo {
          border-width: 2px;
      }

      .btn {
          border: 2px solid currentColor;
      }

      .timestamp {
          opacity: 1;
      }
  }

  /* Drag handle styles */
  .drag-handle {
      cursor: grab;
      color: #9ca3af;
      font-size: 18px;
      padding: 8px 12px;
      border-radius: 6px;
      transition: all 0.2s;
      user-select: none;
      margin-right: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      min-width: 32px;
      min-height: 32px;
      line-height: 1;
      touch-action: manipulation;
  }

  /* Prevent dragging on interactive elements */
  input,
  textarea,
  select,
  button {
      -webkit-user-drag: none;
      -khtml-user-drag: none;
      -moz-user-drag: none;
      -o-user-drag: none;
      user-drag: none;
  }

  /* Prevent text selection during drag */
  .todo.dragging {
      -webkit-user-select: none;
      -moz-user-select: none;
      -ms-user-select: none;
      user-select: none;
  }

  .drag-handle:hover {
      color: #3b82f6;
      background: rgba(59, 130, 246, 0.1);
  }

  .drag-handle:active {
      cursor: grabbing;
  }

  .drag-handle.long-press {
      color: #0ea5e9;
      background: rgba(14, 165, 233, 0.3);
      transform: scale(1.1);
      border-radius: 8px;
  }


  /* Drag states */
  .todo.dragging {
      opacity: 0.7;
      transform: scale(1.02);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      position: relative;
  }

  .todo.drag-over {
      border-color: #3b82f6;
      background: rgba(59, 130, 246, 0.1);
      transition: all 0.2s ease;
  }

  .todo.drag-preview {
      opacity: 0.5;
      transform: scale(0.95);
  }

  /* Mobile touch states */
  .todo.long-press {
      background: rgba(14, 165, 233, 0.2);
      border-color: #0ea5e9;
      transform: scale(1.03);
      transition: all 0.15s ease;
      box-shadow: 0 3px 10px rgba(14, 165, 233, 0.4);
  }

  .todo.long-press .drag-handle {
      color: #0ea5e9;
      background: rgba(14, 165, 233, 0.4);
      transform: scale(1.2);
      border-radius: 6px;
  }

  .todo.dragging {
      opacity: 0.8;
      transform: scale(1.05);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      position: relative;
      background: rgba(59, 130, 246, 0.1);
      border-color: #3b82f6;
  }

  /* Mobile-specific touch feedback */
  @media (hover: none) and (pointer: coarse) {
      .todo {
          -webkit-touch-callout: none;
          -webkit-user-select: none;
          -khtml-user-select: none;
          -moz-user-select: none;
          -ms-user-select: none;
          user-select: none;
          -webkit-tap-highlight-color: transparent;
      }

      .todo:active {
          background: rgba(59, 130, 246, 0.1);
          transform: scale(0.99);
          transition: all 0.1s ease;
      }

      .drag-handle {
          -webkit-touch-callout: none;
          -webkit-tap-highlight-color: transparent;
          min-width: 40px;
          min-height: 40px;
          font-size: 20px;
      }

      .drag-handle.long-press {
          color: #0ea5e9;
          background: rgba(14, 165, 233, 0.4);
          transform: scale(1.15);
          border-radius: 8px;
      }

      .todo.dragging {
          transform: scale(1.08);
          box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
          touch-action: none;
          /* Only disable touch action when actually dragging */
      }
  }

  /* Button size variations */
  .btn-small {
      padding: 6px 12px;
      font-size: 0.8rem;
  }

  .btn-primary {
      background: #3b82f6;
  }

  .btn-primary:hover {
      background: #2563eb;
  }

  .btn-danger {
      background: #dc2626;
  }

  .btn-danger:hover {
      background: #b91c1c;
  }

  /* Category Management Modal */
  .modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.7);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 10000;
      padding: 20px;
      box-sizing: border-box;
  }

  .modal-content {
      background: #111827;
      border-radius: 12px;
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
      border: 1px solid #1f2937;
      width: 100%;
      max-width: 500px;
      max-height: 80vh;
      overflow: hidden;
      display: flex;
      flex-direction: column;
  }

  .modal-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 24px;
      border-bottom: 1px solid #1f2937;
      background: #0f172a;
  }

  .modal-header h3 {
      margin: 0;
      color: #e5e7eb;
      font-size: 1.25rem;
      font-weight: 600;
  }

  .modal-close {
      background: none;
      border: none;
      color: #9ca3af;
      font-size: 24px;
      cursor: pointer;
      padding: 4px;
      border-radius: 4px;
      transition: all 0.2s ease;
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
  }

  .modal-close:hover {
      color: #e5e7eb;
      background: rgba(255, 255, 255, 0.1);
  }

  .modal-body {
      padding: 24px;
      overflow-y: auto;
      flex: 1;
  }

  .add-category-section,
  .existing-categories-section {
      margin-bottom: 32px;
  }

  .add-category-section h4,
  .existing-categories-section h4 {
      margin: 0 0 16px 0;
      color: #d1d5db;
      font-size: 1rem;
      font-weight: 600;
  }

  .add-category-form {
      display: flex;
      gap: 12px;
      align-items: flex-start;
  }

  .add-category-form input {
      flex: 1;
      padding: 12px;
      border: 1px solid #4b5563;
      border-radius: 8px;
      background: #374151;
      color: #e5e5e5;
      font-size: 14px;
  }

  .add-category-form input:focus {
      outline: none;
      border-color: #3b82f6;
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  }

  .categories-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
  }

  .category-item {
      background: #1f2937;
      border: 1px solid #374151;
      border-radius: 8px;
      padding: 16px;
      transition: all 0.2s ease;
  }

  .category-item:hover {
      border-color: #4b5563;
      background: #374151;
  }

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

  .category-name {
      color: #e5e7eb;
      font-weight: 500;
      font-size: 14px;
  }

  .category-actions {
      display: flex;
      gap: 8px;
  }

  .category-edit-form {
      display: flex;
      gap: 8px;
      align-items: center;
  }

  .category-edit-form input {
      flex: 1;
      padding: 8px 12px;
      border: 1px solid #3b82f6;
      border-radius: 6px;
      background: #374151;
      color: #e5e5e5;
      font-size: 14px;
  }

  .category-edit-form input:focus {
      outline: none;
      box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
  }

  /* Mobile responsive modal */
  @media (max-width: 640px) {
      .modal-overlay {
          padding: 10px;
      }

      .modal-content {
          max-height: 90vh;
      }

      .modal-header,
      .modal-body {
          padding: 16px;
      }

      .add-category-form {
          flex-direction: column;
      }

      .category-edit-form {
          flex-direction: column;
          align-items: stretch;
      }

      .category-actions {
          justify-content: center;
      }

      .header-actions {
          flex-direction: column;
          gap: 8px;
      }
  }