    /* When opened from index.html: overlay and visibility */
    #sheetCommentsModal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.5);
      z-index: 2000;
      align-items: center;
      justify-content: center;
      overflow-y: auto;
    }
    #sheetCommentsModal.show {
      display: flex;
    }
    #sheetCommentsModal #sheetCommentsSheetView,
    #sheetCommentsModal .task-detail-sheet-view {
      height: 100vh;
    }

    /* Inline meta picker (status / assignee / priority / due date) when modal is on index – styled like priority-picker */
    #taskDetailMetaPicker.task-detail-meta-picker {
      display: none;
      position: fixed;
      z-index: 2100;
      background: var(--white, #fff);
      border: 1px solid var(--gray-200, #e5e7eb);
      border-radius: 12px;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
      padding: 8px 0;
      max-height: 280px;
      overflow-y: auto;
    }
    #taskDetailMetaPicker.task-detail-meta-picker.priority-picker {
      min-width: 260px;
    }
    #taskDetailMetaPicker.task-detail-meta-picker.show {
      display: block;
    }
    #taskDetailMetaPicker .priority-picker-inner {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    #taskDetailMetaPicker .priority-picker-row {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 0 10px;
    }
    #taskDetailMetaPicker .priority-picker-option {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 1;
      padding: 8px 10px;
      border: none;
      background: transparent;
      cursor: pointer;
      border-radius: 8px;
      font-size: 13px;
      color: var(--gray-700, #374151);
      text-transform: capitalize;
      transition: background 0.2s ease, color 0.2s ease;
      text-align: left;
      min-width: 0;
    }
    #taskDetailMetaPicker .priority-picker-option:hover {
      background: var(--gray-100, #f3f4f6);
      color: var(--primary-color, #2563eb);
    }
    #taskDetailMetaPicker .priority-picker-option.active {
      background: rgba(37, 99, 235, 0.12);
      color: var(--primary-color, #2563eb);
    }
    #taskDetailMetaPicker .priority-picker-option span,
    #taskDetailMetaPicker .priority-picker-option-content {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    #taskDetailMetaPicker .priority-picker-actions {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    #taskDetailMetaPicker .priority-color-input {
      width: 36px;
      height: 32px;
      padding: 0;
      border: none;
      background: transparent;
      cursor: pointer;
      border-radius: 8px;
    }
    #taskDetailMetaPicker .priority-color-input:focus {
      outline: none;
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    }
    #taskDetailMetaPicker .priority-color-input:disabled {
      cursor: not-allowed;
      opacity: 0.4;
    }
    #taskDetailMetaPicker .priority-color-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      flex-shrink: 0;
    }
    #taskDetailMetaPicker .priority-picker-divider {
      height: 1px;
      background: var(--gray-200, #e5e7eb);
      margin: 6px 10px;
    }
    #taskDetailMetaPicker .priority-picker-remove {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 6px;
      border: none;
      border-radius: 8px;
      background: transparent;
      color: #ef4444;
      cursor: pointer;
      transition: background 0.2s ease, color 0.2s ease;
    }
    #taskDetailMetaPicker .priority-picker-remove:hover {
      background: rgba(239, 68, 68, 0.12);
      color: #b91c1c;
    }
    #taskDetailMetaPicker .priority-picker-add {
      display: flex;
      gap: 8px;
      margin: 8px 10px 0;
    }
    #taskDetailMetaPicker .priority-picker-add input[type="text"] {
      flex: 1;
      padding: 8px 10px;
      border: 1px solid var(--gray-300, #d1d5db);
      border-radius: 8px;
      font-size: 13px;
      color: var(--gray-700, #374151);
    }
    #taskDetailMetaPicker .priority-picker-add input[type="color"] {
      width: 36px;
      height: 32px;
      padding: 0;
      border: none;
      background: transparent;
      cursor: pointer;
      border-radius: 8px;
    }
    #taskDetailMetaPicker .priority-picker-add button {
      padding: 8px 12px;
      background: var(--primary-color, #2563eb);
      color: white;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-size: 13px;
      font-weight: 600;
    }
    .task-detail-meta-picker-list {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .task-detail-meta-picker-option {
      display: flex;
      align-items: center;
      gap: 10px;
      width: 100%;
      padding: 10px 14px;
      border: none;
      background: none;
      text-align: left;
      font-size: 14px;
      color: var(--gray-800, #1f2937);
      cursor: pointer;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .task-detail-meta-picker-option:hover {
      background: var(--gray-100, #f3f4f6);
    }
    .task-detail-meta-picker-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      flex-shrink: 0;
      background: var(--gray-400, #9ca3af);
    }
    .task-detail-meta-picker-option-text {
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .task-detail-meta-picker-section-title {
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.05em;
      color: var(--gray-500, #6b7280);
      padding: 8px 14px 6px;
      text-transform: uppercase;
    }
    .task-detail-meta-picker-assignee .task-detail-meta-picker-list {
      padding: 0 0 4px;
    }
    .task-detail-meta-picker-option-assignee {
      display: flex;
      align-items: center;
      gap: 10px;
      width: 100%;
      padding: 8px 14px;
      border: none;
      background: none;
      text-align: left;
      font-size: 14px;
      color: var(--gray-800, #1f2937);
      cursor: pointer;
    }
    .task-detail-meta-picker-option-assignee:hover {
      background: var(--gray-100, #f3f4f6);
      color: var(--primary-color, #2563eb);
    }
    .task-detail-meta-picker-assignee-avatar {
      width: 28px;
      height: 28px;
      min-width: 28px;
      border-radius: 50%;
      background: var(--gray-200, #e5e7eb);
      color: var(--gray-600, #4b5563);
      font-weight: 600;
      font-size: 13px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .task-detail-meta-picker-assignee-avatar-unassigned {
      font-size: 12px;
    }
    .task-detail-meta-picker-assignee-avatar-unassigned i {
      font-size: 12px;
    }
    .task-detail-meta-picker-assignee-info {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 2px;
      min-width: 0;
      overflow: hidden;
    }
    .task-detail-meta-picker-assignee-name {
      font-size: 14px;
      color: inherit;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .task-detail-meta-picker-assignee-email {
      font-size: 11px;
      color: var(--gray-500, #6b7280);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .task-detail-meta-picker-divider {
      height: 1px;
      background: var(--gray-200, #e5e7eb);
      margin: 6px 14px;
    }
    .task-detail-meta-picker-option-priority {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .task-detail-meta-picker-priority-remove-icon {
      width: 28px;
      height: 28px;
      min-width: 28px;
      border-radius: 50%;
      background: var(--gray-200, #e5e7eb);
      color: var(--gray-600, #4b5563);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
    }
    .task-detail-meta-picker-priority-remove-icon i {
      font-size: 12px;
    }
    .task-detail-meta-picker-priority-row {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 14px;
      margin-bottom: 2px;
    }
    .task-detail-meta-picker-priority-row .task-detail-meta-picker-option-priority {
      flex: 1;
      min-width: 0;
      margin: 0;
      padding: 8px 0;
    }
    .task-detail-meta-picker-priority-trash {
      width: 28px;
      height: 28px;
      min-width: 28px;
      border: none;
      background: none;
      color: var(--gray-500, #6b7280);
      cursor: pointer;
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .task-detail-meta-picker-priority-trash:hover {
      background: rgba(239, 68, 68, 0.1);
      color: var(--red-600, #dc2626);
    }
    .task-detail-meta-picker-priority-trash i {
      font-size: 12px;
    }
    .task-detail-meta-picker-priority-add {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 12px 14px;
      flex-wrap: wrap;
    }
    .task-detail-meta-picker-priority-input {
      flex: 1;
      min-width: 120px;
      padding: 8px 10px;
      border: 1px solid var(--gray-200, #e5e7eb);
      border-radius: 8px;
      font-size: 14px;
    }
    .task-detail-meta-picker-priority-color {
      width: 32px;
      height: 32px;
      padding: 2px;
      border: 1px solid var(--gray-200, #e5e7eb);
      border-radius: 6px;
      cursor: pointer;
    }
    .task-detail-meta-picker-priority-add-btn {
      padding: 8px 14px;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      border: none;
      background: var(--primary-color, #2563eb);
      color: var(--white, #fff);
      cursor: pointer;
    }
    .task-detail-meta-picker-priority-add-btn:hover {
      filter: brightness(1.05);
    }
    .task-detail-meta-picker-due {
      padding: 12px 14px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      min-width: 240px;
    }
    .task-detail-meta-picker-due-header {
      font-size: 13px;
      font-weight: 600;
      color: var(--gray-700, #374151);
    }
    .task-detail-meta-picker-date {
      width: 100%;
      padding: 8px 10px;
      border: 1px solid var(--gray-300, #d1d5db);
      border-radius: 8px;
      font-size: 13px;
      color: var(--gray-700, #374151);
      box-sizing: border-box;
    }
    .task-detail-meta-picker-date:focus {
      outline: none;
      border-color: var(--primary-color, #2563eb);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }
    .task-detail-meta-picker-due-actions {
      display: flex;
      gap: 8px;
      margin-top: 2px;
    }
    .task-detail-meta-picker-due-actions button {
      flex: 1;
      padding: 8px 10px;
      border-radius: 8px;
      border: none;
      cursor: pointer;
      font-size: 13px;
      font-weight: 600;
      transition: background 0.2s ease, color 0.2s ease;
    }
    .task-detail-meta-picker-due-actions .btn-primary {
      background: var(--primary-color, #2563eb);
      color: #fff;
    }
    .task-detail-meta-picker-due-actions .btn-primary:hover {
      filter: brightness(1.05);
    }
    .task-detail-meta-picker-due-actions .btn-secondary {
      background: var(--gray-100, #f3f4f6);
      color: var(--gray-600, #4b5563);
    }
    .task-detail-meta-picker-due-actions .btn-secondary:hover {
      background: var(--gray-200, #e5e7eb);
      color: var(--gray-700, #374151);
    }

    #sheetCommentsModal .modal-dialog {
      width: 98%;
    }

    #sheetCommentsModal .modal-content {
      padding: 0;
      border-radius: 24px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 90vh;
      background: var(--white, #ffffff);
      box-shadow: 0 32px 60px rgba(15, 23, 42, 0.18);
      width: 100%;
      max-width: none;
    }

    #sheetCommentsModal.fullscreen .modal-dialog {
      width: 100% !important;
    }

    #sheetCommentsModal.fullscreen .modal-content {
      height: 100vh !important;
      max-height: 100vh !important;
    }

    #sheetCommentsModal .task-detail-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 10px 10px;
      border-bottom: 1px solid rgba(148, 163, 184, 0.14);
      background: var(--white);
    }

    #sheetCommentsModal .fullscreen-toggle-btn {
      width: 32px;
      height: 32px;
      border: none;
      background: var(--gray-100, #f3f4f6);
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--gray-600, #4b5563);
      transition: background-color 0.2s ease;
    }
    #sheetCommentsModal .fullscreen-toggle-btn:hover {
      background: var(--gray-200, #e5e7eb);
    }

    #sheetCommentsModal .close-btn {
      width: 32px;
      height: 32px;
      border: none;
      background: var(--gray-100, #f3f4f6);
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--gray-600, #4b5563);
      transition: background-color 0.2s ease;
    }
    #sheetCommentsModal .close-btn:hover {
      background: var(--gray-200, #e5e7eb);
    }

    #sheetCommentsModal .task-detail-header-left {
      flex: 1 1 auto;
      min-width: 0;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    #sheetCommentsModal .task-detail-header-left.flex-arrow {
      flex-direction: row !important;
      display: flex !important;
      align-items: center;
      gap: 12px;
      min-height: 40px;
      flex-shrink: 0;
      min-width: 0;
    }

    .flex-arrow{
      flex-direction: row !important;
    }

    #sheetCommentsModal .task-detail-header-left {
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }

    #sheetCommentsModal #sheetCommentsBreadcrumb {
      font-size: 13px;
      color: var(--gray-500, #6b7280);
      letter-spacing: 0.02em;
      min-height: 1.5em;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    #sheetCommentsModal .task-detail-navigation {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    #sheetCommentsModal .task-nav-arrow {
      background: transparent;
      border: 1px solid var(--gray-300);
      border-radius: 4px;
      width: 20px;
      height: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--gray-600);
      transition: all 0.2s ease;
      padding: 0;
    }

    #sheetCommentsModal .task-nav-arrow:hover:not(:disabled) {
      background: var(--gray-100);
      border-color: var(--gray-400);
      color: var(--gray-900);
    }

    #sheetCommentsModal .task-nav-arrow:disabled {
      opacity: 0.4;
      cursor: not-allowed;
    }

    #sheetCommentsModal .task-nav-arrow i {
      font-size: 12px;
    }

    #sheetCommentsModal .task-detail-breadcrumb {
      font-size: 13px;
      color: var(--gray-500);
      letter-spacing: 0.02em;
    }

    #sheetCommentsModal .task-detail-title-block {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    #sheetCommentsModal .task-detail-parent {
      font-size: 13px;
      color: var(--gray-500);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    #sheetCommentsModal .task-detail-title {
      font-size: 26px;
      font-weight: 600;
      color: var(--gray-900);
      line-height: 1.25;
    }

    #sheetCommentsModal .task-detail-meta-row {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 20px 32px;
      padding-bottom: 8px;
    }

    #sheetCommentsModal .task-detail-meta-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
      min-width: 0;
    }

    #sheetCommentsModal .task-detail-meta-label {
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: rgba(71, 85, 105, 0.85);
    }

    #sheetCommentsModal .task-detail-meta-value {
      font-size: 15px;
      font-weight: 500;
      color: var(--gray-700);
    }

    #sheetCommentsModal .task-detail-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 72px;
      gap: 6px;
      padding: 8px 18px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      background: var(--gray-100);
      color: var(--gray-700);
      box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.24);
      border: none;
      transition: transform 0.15s ease, box-shadow 0.15s ease;
    }

    #sheetCommentsModal .task-detail-body {
      display: flex;
      gap: 5px;
      padding: 10px 10px;
      flex: 1;
      min-height: 0;
      height: 100%;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(248, 250, 252, 0.65) 0%, rgba(255, 255, 255, 0.95) 60%, rgba(255, 255, 255, 0.9) 100%);
      position: relative;
    }

    #sheetCommentsModal .task-detail-left {
      flex: 0 0 70%;
      max-width: 70%;
      display: flex;
      flex-direction: column;
      min-width: 0;
      min-height: 0;
      max-height: 100%;
      overflow-y: auto;
      padding-right: 12px;
      gap: 20px;
      position: relative;
    }
    #sheetCommentsModal .task-detail-left-saving-overlay {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 9999;
      background: rgba(255, 255, 255, 0.92);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 12px;
      pointer-events: none;
    }
    #sheetCommentsModal .task-detail-left-saving-spinner {
      width: 40px;
      height: 40px;
      border: 3px solid rgba(15, 23, 42, 0.1);
      border-top-color: var(--create-task-primary, #dc2626);
      border-radius: 50%;
      animation: task-detail-left-spin 0.8s linear infinite;
    }
    #sheetCommentsModal .task-detail-left-saving-overlay .task-detail-left-saving-text {
      font-size: 14px;
      font-weight: 500;
      color: var(--create-task-gray-600, #4b5563);
    }
    @keyframes task-detail-left-spin {
      to { transform: rotate(360deg); }
    }

    /* Loading state in left column (match www: centered spinner + "Loading task details...") */
    #sheetCommentsModal .task-detail-loading {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 24px 0;
      color: var(--create-task-gray-600, #6b7280);
      width: 100%;
      min-height: 100%;
    }
    #sheetCommentsModal .task-detail-loading i {
      color: var(--create-task-primary, #dc2626);
      animation: task-detail-loading-spin 1s linear infinite;
    }
    @keyframes task-detail-loading-spin {
      to { transform: rotate(360deg); }
    }

    #sheetCommentsModal .task-detail-top {
      display: flex;
      flex-direction: column;
      gap: 18px;
      margin-bottom: 24px;
    }

    #sheetCommentsModal .task-detail-badge.permission-locked,
    #sheetCommentsModal .task-detail-chip.permission-locked {
      cursor: not-allowed;
      opacity: 0.85;
    }
    #sheetCommentsModal .task-detail-badge.interactive,
    #sheetCommentsModal .task-detail-meta-value.interactive,
    #sheetCommentsModal .task-detail-chip:not(.permission-locked) {
      cursor: pointer;
    }

    #sheetCommentsModal .task-detail-badge.interactive:hover,
    #sheetCommentsModal .task-detail-meta-value.interactive:hover,
    #sheetCommentsModal .task-detail-chip:not(.permission-locked):hover {
      box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.35), 0 6px 12px rgba(15, 23, 42, 0.08);
      transform: translateY(-1px);
    }

    #sheetCommentsModal .task-detail-chip {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 18px;
      border-radius: 999px;
      border: 1px solid rgba(148, 163, 184, 0.28);
      background: rgba(255, 255, 255, 0.95);
      font-size: 14px;
      font-weight: 500;
      color: var(--gray-700);
      transition: transform 0.15s ease, box-shadow 0.15s ease;
    }

    #sheetCommentsModal .task-detail-chip-readonly {
      cursor: default;
      pointer-events: none;
      box-shadow: none;
      border-color: rgba(148, 163, 184, 0.24);
    }

    #sheetCommentsModal .task-detail-chip-readonly:hover {
      box-shadow: none;
      transform: none;
    }

    #sheetCommentsModal .task-detail-chip .task-detail-chip-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: rgba(148, 163, 184, 0.25);
      color: var(--gray-600);
      font-size: 11px;
    }

    #sheetCommentsModal .task-summary-card {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid rgba(226, 232, 240, 0.7);
      border-radius: 18px;
      padding: 22px 24px;
      box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    #sheetCommentsModal .task-summary-breadcrumb {
      font-size: 13px;
      color: var(--gray-500);
      letter-spacing: 0.04em;
    }

    #sheetCommentsModal .task-summary-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }

    #sheetCommentsModal .task-summary-title-block {
      display: flex;
      flex-direction: column;
      gap: 8px;
      min-width: 220px;
    }

    #sheetCommentsModal .task-summary-parent {
      font-size: 13px;
      color: var(--gray-500);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    #sheetCommentsModal .task-detail-parent-button {
      background: none;
      border: none;
      color: var(--primary-color);
      font-weight: 600;
      cursor: pointer;
      padding: 0;
    }

    #sheetCommentsModal .task-detail-parent-button:hover {
      text-decoration: underline;
    }

    #sheetCommentsModal .task-summary-title {
      font-size: 26px;
      font-weight: 600;
      color: var(--gray-900);
      line-height: 1.3;
    }

    #sheetCommentsModal .task-summary-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
    }

    #sheetCommentsModal .task-summary-meta-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
      min-width: 120px;
    }

    #sheetCommentsModal .task-summary-meta-label {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--gray-500);
    }

    #sheetCommentsModal .task-summary-meta-value {
      font-size: 14px;
      color: var(--gray-800);
      font-weight: 500;
      word-break: break-word;
    }

    #sheetCommentsModal .task-summary-tag {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      background: var(--gray-100);
      color: var(--gray-700);
      min-width: 72px;
      text-align: center;
    }

    :is(#sheetCommentsModal) .task-detail-card {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid rgba(226, 232, 240, 0.7);
      border-radius: 18px;
      padding: 20px 22px;
      box-shadow: 0 16px 32px rgba(15, 23, 42, 0.06);
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    :is(#sheetCommentsModal) .task-detail-card {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid rgba(226, 232, 240, 0.7);
      border-radius: 18px;
      padding: 20px 22px;
      box-shadow: 0 16px 32px rgba(15, 23, 42, 0.06);
      display: flex;
      flex-direction: column;
      gap: 14px;
      height:100%;
    }

    #sheetCommentsModal .task-detail-card h3 {
      margin: 0;
      font-size: 16px;
      font-weight: 600;
      color: var(--gray-800);
    }

    #sheetCommentsModal .task-detail-card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    #sheetCommentsModal .task-detail-toggle-btn {
      border: none;
      background: rgba(59, 130, 246, 0.12);
      color: var(--primary-color);
      padding: 6px 16px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    #sheetCommentsModal .task-detail-toggle-btn:hover {
      background: rgba(59, 130, 246, 0.2);
      transform: translateY(-1px);
    }

    #sheetCommentsModal #taskDetailSubtaskCreateBtn,
    #sheetCommentsModal .subtask-create-btn {
      display: inline-flex;
      align-items: center;
      justify-content: flex-start;
      gap: 4px;
      height: 24px;
      padding: 0 10px;
      border-radius: 4px;
      border: none;
      background: transparent;
      color: var(--gray-500, #6b7280);
      font-size: 11px;
      font-weight: 500;
      cursor: pointer;
      transition: color 0.2s ease;
      margin-left: 2px;
    }
    #sheetCommentsModal #taskDetailSubtaskCreateBtn:hover,
    #sheetCommentsModal .subtask-create-btn:hover {
      color: var(--gray-700, #374151);
    }
    #sheetCommentsModal #taskDetailSubtaskCreateBtn:disabled,
    #sheetCommentsModal .subtask-create-btn:disabled {
      opacity: 0.5;
      cursor: not-allowed;
      color: var(--gray-400, #9ca3af);
    }

    #sheetCommentsModal .task-detail-custom-grid {
      display: grid;
      gap: 16px;
      max-height: 220px;
      overflow: hidden;
      transition: max-height 0.25s ease;
    }

    #sheetCommentsModal .task-detail-custom-grid.expanded {
      max-height: none;
    }

    #sheetCommentsModal .task-detail-custom-item {
      border: 1px solid rgba(226, 232, 240, 0.8);
      border-radius: 14px;
      padding: 14px 16px;
      background: rgba(248, 250, 252, 0.8);
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    #sheetCommentsModal .task-detail-custom-label {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--gray-500);
    }

    #sheetCommentsModal .task-detail-custom-value {
      font-size: 14px;
      color: var(--gray-800);
      font-weight: 500;
      word-break: break-word;
      line-height: 1.5;
    }

    #sheetCommentsModal .task-detail-custom-value-editable {
      cursor: pointer;
      padding: 4px 8px;
      border-radius: 4px;
      transition: background 0.2s ease;
      position: relative;
    }

    #sheetCommentsModal .task-detail-custom-value-editable:hover {
      background: rgba(59, 130, 246, 0.08);
    }

    #sheetCommentsModal .task-detail-custom-value-editable.editing {
      padding: 0;
      background: transparent;
    }

    #sheetCommentsModal .task-detail-custom-edit-input {
      width: 100%;
      padding: 6px 10px;
      border: 1px solid var(--gray-300);
      border-radius: 6px;
      font-size: 14px;
      font-family: inherit;
      color: var(--gray-800);
      background: white;
      transition: border-color 0.2s ease;
    }

    #sheetCommentsModal .task-detail-custom-edit-input:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(237, 32, 71, 0.1);
    }

    #sheetCommentsModal .task-detail-custom-edit-textarea {
      min-height: 60px;
      resize: vertical;
    }

    #sheetCommentsModal .task-detail-custom-edit-buttons {
      display: flex;
      gap: 6px;
      margin-top: 8px;
      align-items: center;
    }

    #sheetCommentsModal .task-detail-custom-edit-save,
    #sheetCommentsModal .task-detail-custom-edit-cancel {
      width: 28px;
      height: 28px;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      transition: all 0.2s ease;
    }

    #sheetCommentsModal .task-detail-custom-edit-save {
      background: var(--primary-color);
      color: white;
    }

    #sheetCommentsModal .task-detail-custom-edit-save:hover {
      background: #c91a3d;
    }

    #sheetCommentsModal .task-detail-custom-edit-cancel {
      background: var(--gray-200);
      color: var(--gray-600);
    }

    #sheetCommentsModal .task-detail-custom-edit-cancel:hover {
      background: var(--gray-300);
    }

    /* Custom fields edit container – match Create Task / Edit Task modal exactly */
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 12px;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-fields-empty {
      font-size: 13px;
      color: var(--create-task-gray-500, #6b7280);
      background: rgba(15, 23, 42, 0.04);
      border-radius: 10px;
      padding: 14px 16px;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .task-detail-edit-section-header,
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .modal-section-header {
      display: flex;
      flex-direction: column;
      gap: 2px;
      margin-bottom: 14px;
      align-items: flex-start;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .modal-section-title {
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--create-task-gray-500, #6b7280);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .modal-section-helper {
      font-size: 12px;
      color: var(--create-task-gray-400, #9ca3af);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .form-group {
      margin-bottom: 0;
      display: flex;
      flex-direction: column;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .form-label {
      display: block;
      font-size: 14px;
      font-weight: 500;
      color: var(--create-task-gray-700, #374151);
      margin-bottom: 6px;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .form-input,
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .form-textarea,
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer select.form-input {
      width: 100%;
      padding: 12px;
      border-radius: 10px;
      border: 1px solid rgba(15, 23, 42, 0.08);
      background: rgba(255, 255, 255, 0.92);
      font-size: 14px;
      box-sizing: border-box;
      transition: var(--create-task-transition, all 0.2s ease);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .form-input:focus,
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .form-textarea:focus,
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer select.form-input:focus {
      outline: none;
      border-color: rgba(237, 32, 71, 0.35);
      box-shadow: 0 0 0 4px var(--create-task-primary-soft, rgba(237, 32, 71, 0.12));
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .form-textarea {
      min-height: 150px;
      resize: vertical;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer select.form-input {
      cursor: pointer;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-multiselect {
      min-height: 120px;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-helper {
      font-size: 12px;
      color: var(--create-task-gray-500, #6b7280);
      margin-top: 4px;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .form-input.readonly {
      background: rgba(148, 163, 184, 0.12);
      color: var(--create-task-gray-600, #4b5563);
      cursor: not-allowed;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-dropzone {
      border: 1px dashed var(--create-task-gray-300, #d1d5db);
      border-radius: 8px;
      padding: 16px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--create-task-gray-50, #f9fafb);
      transition: border-color 0.2s ease, background-color 0.2s ease;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-dropzone.dragover {
      border-color: var(--create-task-primary, #ed2047);
      background: rgba(237, 32, 71, 0.05);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-dropzone button {
      padding: 6px 14px;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-dropzone-hint {
      font-size: 12px;
      color: var(--create-task-gray-500, #6b7280);
      text-align: center;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-list {
      margin-top: 12px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-item {
      display: flex;
      align-items: flex-start;
      justify-content: flex-start;
      gap: 12px;
      padding: 10px 12px;
      border: 1px solid var(--create-task-gray-200, #e5e7eb);
      border-radius: 6px;
      background: #fff;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-item.pending-upload,
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-item.pending-removal {
      border-style: dashed;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-item.pending-upload {
      border-color: var(--create-task-primary, #ed2047);
      background: rgba(237, 32, 71, 0.05);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-item.pending-removal {
      opacity: 0.6;
      border-color: rgba(237, 32, 71, 0.4);
      background: rgba(237, 32, 71, 0.08);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-preview-wrapper {
      flex: 0 0 auto;
      max-width: 260px;
      width: 100%;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-preview {
      width: 100%;
      max-height: 200px;
      border-radius: 6px;
      background: #000;
      object-fit: contain;
      display: block;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-preview.audio {
      max-height: none;
      background: transparent;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-meta {
      display: flex;
      flex-direction: column;
      gap: 4px;
      flex: 1;
      min-width: 0;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-name {
      font-weight: 600;
      color: var(--create-task-gray-800, #1f2937);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      line-clamp: 2;
      overflow: hidden;
      text-overflow: ellipsis;
      word-break: break-all;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-info {
      font-size: 12px;
      color: var(--create-task-gray-500, #6b7280);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-actions {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-top: 6px;
      flex-wrap: wrap;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-empty {
      font-size: 13px;
      color: var(--create-task-gray-500, #6b7280);
      border: 1px dashed var(--create-task-gray-200, #e5e7eb);
      border-radius: 6px;
      padding: 10px 12px;
      text-align: center;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-url-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-url-input-row {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-url-input-row input[type="url"],
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-url-input-row input.form-input {
      flex: 1;
      min-width: 0;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-secondary-btn {
      padding: 6px 12px;
      background: transparent;
      border: 1px solid var(--create-task-gray-300, #d1d5db);
      border-radius: 6px;
      color: var(--create-task-gray-600, #4b5563);
      cursor: pointer;
      transition: background 0.2s ease, color 0.2s ease;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-secondary-btn:hover {
      background: var(--create-task-gray-100, #f3f4f6);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-link-btn {
      background: none;
      border: none;
      color: var(--create-task-primary, #ed2047);
      cursor: pointer;
      font-size: 13px;
      padding: 0;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-link-btn:hover {
      text-decoration: underline;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-link-btn.danger {
      color: #ef4444;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-link-btn.undo {
      color: var(--create-task-primary, #ed2047);
      font-weight: 600;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-item-removed {
      background: rgba(107, 114, 128, 0.1);
      border-color: rgba(107, 114, 128, 0.3);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-item-removed-dull {
      opacity: 0.55;
      filter: grayscale(0.7);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-item-removed .custom-field-file-name.custom-field-file-item-removed-dull,
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-file-item-removed .custom-field-file-info {
      color: var(--create-task-gray-500, #6b7280);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper {
      border: 1px solid var(--create-task-gray-300, #d1d5db);
      border-radius: 6px;
      background: #fff;
      overflow: hidden;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-container {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 14px;
      min-height: 200px;
      max-height: 500px;
      overflow-y: auto;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-editor {
      min-height: 200px;
      padding: 12px 15px;
      color: var(--create-task-gray-800, #1f2937);
      line-height: 1.6;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-editor.ql-blank::before {
      color: var(--create-task-gray-400, #9ca3af);
      font-style: normal;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-toolbar {
      border-bottom: 1px solid var(--create-task-gray-200, #e5e7eb);
      background: var(--create-task-gray-50, #f9fafb);
      padding: 8px;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-toolbar .ql-stroke {
      stroke: var(--create-task-gray-600, #4b5563);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-toolbar .ql-fill {
      fill: var(--create-task-gray-600, #4b5563);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-toolbar button:hover,
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-toolbar button.ql-active {
      color: var(--create-task-primary, #ed2047);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-toolbar button:hover .ql-stroke,
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-toolbar button.ql-active .ql-stroke {
      stroke: var(--create-task-primary, #ed2047);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-toolbar button:hover .ql-fill,
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-toolbar button.ql-active .ql-fill {
      fill: var(--create-task-primary, #ed2047);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-editor img {
      max-width: 100%;
      height: auto;
      border-radius: 4px;
      margin: 8px 0;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-editor a {
      color: var(--create-task-primary, #ed2047);
      text-decoration: underline;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditContainer .custom-field-rich-text-wrapper .ql-editor a:hover {
      text-decoration: none;
    }
    /* Edit actions – same as Edit Task modal */
    #sheetCommentsModal #taskDetailCustomFieldsEditActions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 16px;
      justify-content: flex-end;
      align-items: center;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditActions .btn {
      padding: 10px 20px;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-size: 14px;
      font-weight: 500;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditActions .btn-secondary {
      background: var(--create-task-gray-200, #e5e7eb);
      color: var(--create-task-gray-700, #374151);
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditActions .btn-primary {
      background: linear-gradient(135deg, #ed2047, #f26225);
      color: white;
    }
    #sheetCommentsModal #taskDetailCustomFieldsEditActions .btn:hover {
      transform: translateY(-1px);
    }

    #sheetCommentsModal .task-detail-rich-text-content {
      font-size: 14px;
      color: var(--gray-800);
      line-height: 1.6;
      word-break: break-word;
    }

    #sheetCommentsModal .task-detail-rich-text-content :is(p, div) {
      margin: 0 0 8px 0;
    }

    #sheetCommentsModal .task-detail-rich-text-content :is(p, div):last-child {
      margin-bottom: 0;
    }

    #sheetCommentsModal .task-detail-rich-text-content img {
      max-width: 100%;
      height: auto;
      border-radius: 4px;
      margin: 8px 0;
    }

    #sheetCommentsModal .task-detail-rich-text-content a {
      color: var(--primary-color);
      text-decoration: underline;
    }

    #sheetCommentsModal .task-detail-rich-text-content a:hover {
      text-decoration: none;
    }

    #sheetCommentsModal .task-detail-rich-text-content :is(h1, h2, h3, h4, h5, h6) {
      margin: 12px 0 8px 0;
      font-weight: 600;
      color: var(--gray-900);
    }

    #sheetCommentsModal .task-detail-rich-text-content ul,
    #sheetCommentsModal .task-detail-rich-text-content ol {
      margin: 8px 0;
      padding-left: 24px;
    }

    #sheetCommentsModal .task-detail-rich-text-content blockquote {
      border-left: 3px solid var(--gray-300);
      padding-left: 12px;
      margin: 8px 0;
      color: var(--gray-600);
      font-style: italic;
    }

    #sheetCommentsModal .task-detail-rich-text-content code {
      background: var(--gray-100);
      padding: 2px 6px;
      border-radius: 3px;
      font-family: 'Courier New', monospace;
      font-size: 13px;
    }

    #sheetCommentsModal .task-detail-rich-text-content pre {
      background: var(--gray-100);
      padding: 12px;
      border-radius: 4px;
      overflow-x: auto;
      margin: 8px 0;
    }

    #sheetCommentsModal .task-detail-custom-numbered {
      display: flex;
      gap: 6px;
      align-items: baseline;
      line-height: 1.4;
    }

    #sheetCommentsModal .task-detail-custom-number {
      font-weight: 600;
      color: var(--gray-600);
    }

    #sheetCommentsModal .task-detail-attachment-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    #sheetCommentsModal .task-detail-attachment-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 12px 14px;
      border: 1px solid rgba(226, 232, 240, 0.8);
      border-radius: 12px;
      background: rgba(248, 250, 252, 0.7);
      font-size: 14px;
    }

    #sheetCommentsModal .task-detail-attachment-item a {
      color: var(--primary-color);
      font-weight: 600;
    }

    #sheetCommentsModal .task-detail-subtasks-table-wrapper {
      overflow-x: auto;
      border-radius: 12px;
    }

    #sheetCommentsModal .task-detail-subtasks-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 520px;
    }

    #sheetCommentsModal .task-detail-subtasks-table th,
    #sheetCommentsModal .task-detail-subtasks-table td {
      padding: 12px 14px;
      text-align: left;
      font-size: 13px;
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      color: var(--gray-700);
    }

    #sheetCommentsModal .task-detail-subtasks-table th {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--gray-500);
    }

    #sheetCommentsModal .task-detail-subtasks-table tbody tr {
      cursor: pointer;
      transition: background 0.15s ease;
    }

    #sheetCommentsModal .task-detail-subtasks-table tbody tr:hover {
      background: rgba(59, 130, 246, 0.08);
    }

    #sheetCommentsModal .task-detail-subtasks-table tbody tr.active {
      background: rgba(59, 130, 246, 0.12);
    }

    .subtask-link {
      background: none;
      border: none;
      padding: 0;
      margin: 0;
      font: inherit;
      color: var(--primary-color);
      cursor: pointer;
    }

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

    #sheetCommentsModal .subtask-link {
      background: none;
      border: none;
      padding: 0;
      margin: 0;
      color: var(--primary-color);
      font-weight: 600;
      cursor: pointer;
      font-size: 14px;
      text-align: left;
    }

    #sheetCommentsModal .subtask-link:hover {
      text-decoration: underline;
    }

    #sheetCommentsModal .task-detail-text {
      font-size: 14px;
      line-height: 1.6;
      color: var(--gray-700);
      display: inline-block;
      max-width: 100%;
      white-space: pre-wrap;
      overflow-wrap: break-word;
      word-break: break-word;
      hyphens: auto;
    }

    #sheetCommentsModal .task-detail-text.muted {
      color: var(--gray-500);
      font-style: italic;
    }

    #sheetCommentsModal .task-detail-empty-state {
      padding: 28px;
      text-align: center;
      color: var(--gray-500);
      font-size: 14px;
      border: 1px dashed var(--gray-200);
      border-radius: 14px;
      background: rgba(248, 250, 252, 0.6);
    }

    #sheetCommentsModal .task-detail-right {
      flex: 0 0 30%;
      max-width: 30%;
      display: flex;
      flex-direction: column;
      border-left: 1px solid var(--gray-200);
      padding-left: 28px;
      min-height: 0;
    }

    #sheetCommentsModal .task-detail-scroll-to-bottom-btn {
      position: absolute;
      right: 32px;
      bottom: 100px;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      border: none;
      background: var(--primary-color, #ed2047);
      color: #fff;
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 10;
      transition: transform 0.15s ease, box-shadow 0.15s ease;
    }
    #sheetCommentsModal .task-detail-scroll-to-bottom-btn:hover {
      transform: scale(1.05);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    }
    #sheetCommentsModal .task-detail-scroll-to-bottom-btn i {
      font-size: 14px;
    }
    #sheetCommentsModal .task-detail-scroll-to-bottom-btn .sheet-comments-new-count {
      display: none;
      position: absolute;
      top: -4px;
      right: -4px;
      min-width: 18px;
      height: 18px;
      padding: 0 5px;
      border-radius: 9px;
      background: #fff;
      color: var(--primary-color, #ed2047);
      font-size: 11px;
      font-weight: 700;
      align-items: center;
      justify-content: center;
      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
    }

    #sheetCommentsModal .task-activity-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 5px;
    }

    #sheetCommentsModal .task-activity-header h3 {
      font-size: 16px;
      font-weight: 600;
      margin: 0;
      color: var(--gray-800);
    }

    #sheetCommentsModal .task-activity-list {
      flex: 1;
      overflow-y: auto;
      overflow-x: hidden;
      padding-right: 4px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin-bottom: 20px;
      scroll-behavior: smooth;
      -webkit-overflow-scrolling: touch;
      overflow-anchor: auto;
      scroll-padding-bottom: 12px;
      transition: opacity 0.12s ease-out;
    }

    #sheetCommentsModal .task-activity-date-separator {
      text-align: center;
      margin: 20px 0;
      position: relative;
    }

    #sheetCommentsModal .task-activity-date-separator::before {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      top: 50%;
      height: 1px;
      background: var(--gray-200);
    }

    #sheetCommentsModal .task-activity-date-separator span {
      background: #fff;
      padding: 4px 12px;
      color: var(--gray-500);
      font-size: 12px;
      font-weight: 500;
      position: relative;
      z-index: 1;
    }

    #sheetCommentsModal .task-activity-item {
      display: flex;
      gap: 12px;
      font-size: 13px;
      color: var(--gray-700);
      margin-bottom: 8px;
    }

    #sheetCommentsModal .task-activity-item.self-comment {
      flex-direction: row-reverse;
      justify-content: flex-end;
      margin-left: auto;
      width: 100%;
    }

    #sheetCommentsModal .task-activity-item.self-comment .task-activity-avatar {
      display: none;
    }

    #sheetCommentsModal .task-activity-item .task-activity-content {
      position: relative;
    }

    #sheetCommentsModal .task-activity-item.self-comment .task-activity-content {
      align-items: flex-end;
      width: 100%;
      max-width: 72%;
      margin-left: auto;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    #sheetCommentsModal .task-activity-item.self-comment .task-activity-meta {
      display: none;
    }

    #sheetCommentsModal .task-activity-item.self-comment .task-detail-text {
      align-self: flex-end;
      background: #ed204714;
      color: #000;
      padding: 8px 12px;
      border-radius: 12px;
      border-top-right-radius: 4px;
      text-align: left;
      max-width: 100%;
      min-height: 32px;
      box-shadow: 0 1px 2px rgba(15, 23, 42, 0.12);
    }

    #sheetCommentsModal .task-activity-item:not(.self-comment) .task-activity-content {
      max-width: 70%;
    }

    #sheetCommentsModal .task-activity-item:not(.self-comment) .task-detail-text {
      background: var(--gray-100);
      color: var(--gray-800);
      padding: 8px 12px;
      border-radius: 12px;
      border-top-left-radius: 4px;
    }

    #sheetCommentsModal .task-activity-item.self-comment .task-activity-time {
      font-size: 11px;
      color: var(--gray-500);
      margin-top: 4px;
      text-align: right;
    }

    #sheetCommentsModal .task-activity-item:not(.self-comment) .task-activity-time {
      font-size: 11px;
      color: var(--gray-500);
      margin-top: 4px;
    }

    /* Activity / project log entries — premium neutral pill */
    #sheetCommentsModal .task-activity-item.task-activity-project-log {
      display: flex;
      justify-content: center;
      align-items: center;
      width: 100%;
      max-width: 100%;
      margin-bottom: 14px;
      flex-wrap: wrap;
    }

    #sheetCommentsModal .task-activity-item.task-activity-project-log .task-activity-avatar,
    #sheetCommentsModal .task-activity-item.task-activity-project-log .task-activity-content {
      display: none !important;
    }

    #sheetCommentsModal .task-activity-project-log-wrap {
      display: flex;
      flex-direction: column;
      align-items: center;
      max-width: min(520px, 94%);
      width: 100%;
      text-align: center;
    }

    #sheetCommentsModal .task-activity-project-log-chip {
      display: inline-block;
      width: auto;
      max-width: 100%;
      border: 1px solid rgba(15, 23, 42, 0.08);
      border-radius: 12px;
      padding: 2px 10px;
      background: linear-gradient(165deg, #ffffff 0%, #f4f6f9 45%, #eef1f6 100%);
      box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.7) inset,
        0 1px 2px rgba(15, 23, 42, 0.04),
        0 8px 24px -6px rgba(15, 23, 42, 0.1);
    }

    #sheetCommentsModal .task-activity-project-log-line {
      font-size: 11px;
      line-height: 1.5;
      color: #475569;
      text-align: center;
      display: block;
      letter-spacing: -0.01em;
    }

    #sheetCommentsModal .task-activity-project-log-line strong {
      color: #0f172a;
      font-weight: 600;
    }

    #sheetCommentsModal .task-activity-time.task-activity-project-log-time {
      margin-top: 8px;
      font-size: 11px;
      color: #94a3b8;
      text-align: center;
      font-variant-numeric: tabular-nums;
    }

    #sheetCommentsModal .task-activity-project-log-group {
      width: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      margin-bottom: 14px;
    }

    #sheetCommentsModal .task-activity-project-log-more {
      width: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    #sheetCommentsModal .task-activity-project-log-more[hidden] {
      display: none !important;
    }

    #sheetCommentsModal .task-activity-project-log-toggle {
      margin-top: 8px;
      padding: 4px 12px;
      border: none;
      background: transparent;
      color: #64748b;
      font-size: 12px;
      font-weight: 500;
      cursor: pointer;
      text-decoration: underline;
      text-underline-offset: 2px;
    }

    #sheetCommentsModal .task-activity-project-log-toggle:hover {
      color: #0f172a;
    }

    /* Comment list: attachment previews (WhatsApp-style) */
    #sheetCommentsModal .task-comment-body {
      display: flex;
      flex-direction: column;
      gap: 8px;
      max-width: 100%;
      width: 100%;
    }

    #sheetCommentsModal .task-comment-body .task-detail-text {
      -webkit-user-select: text;
      user-select: text;
      -webkit-touch-callout: default;
      cursor: text;
    }
    #sheetCommentsModal .task-comment-body .task-comment-attachment-card,
    #sheetCommentsModal .task-comment-body .task-comment-attachment-card a,
    #sheetCommentsModal .task-comment-body button,
    #sheetCommentsModal .task-comment-body .task-comment-reply-context,
    #sheetCommentsModal .task-comment-body .task-comment-reaction-pill {
      -webkit-user-select: none;
      user-select: none;
      cursor: pointer;
    }
    #sheetCommentsModal .task-comment-body .task-detail-text a {
      -webkit-user-select: text;
      user-select: text;
      -webkit-touch-callout: default;
      cursor: text;
    }

    #sheetCommentsModal .task-activity-item.self-comment .task-comment-body {
      align-items: flex-end;
    }

    #sheetCommentsModal .task-activity-item.self-comment .task-comment-body > .task-detail-text {
      align-self: flex-end;
    }

    #sheetCommentsModal .task-activity-item:not(.self-comment) .task-comment-body {
      align-items: flex-start;
    }

    #sheetCommentsModal .task-comment-attachments {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    #sheetCommentsModal .task-comment-attachment-card {
      border-radius: 12px;
      overflow: hidden;
      background: var(--gray-100);
      border: 1px solid rgba(15, 23, 42, 0.06);
      max-width: 280px;
      position: relative;
    }

    #sheetCommentsModal .task-activity-item.self-comment .task-comment-attachment-card {
      background: #ed204714;
      border-color: rgba(255, 255, 255, 0.24);
    }

    #sheetCommentsModal .task-comment-attachment-card a {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 10px 12px;
      text-decoration: none;
      color: inherit;
      flex-direction: column;
    }

    #sheetCommentsModal .task-comment-attachment-card.image a {
      flex-direction: column;
      align-items: stretch;
      padding: 0;
    }

    #sheetCommentsModal .task-comment-attachment-card .task-comment-attachment-icon {
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: rgba(255, 90, 31, 0.12);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
    }

    #sheetCommentsModal .task-comment-attachment-card .task-comment-attachment-thumb {
      width: 100%;
      max-height: 220px;
      overflow: hidden;
    }

    #sheetCommentsModal .task-comment-attachment-card .task-comment-attachment-thumb img,
    #sheetCommentsModal .task-comment-attachment-card .task-comment-attachment-thumb video {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    #sheetCommentsModal .task-comment-attachment-card .task-comment-attachment-info {
      display: flex;
      flex-direction: column;
      gap: 4px;
      padding: 10px 12px;
    }

    #sheetCommentsModal .task-comment-attachment-card .task-comment-attachment-info .name {
      font-size: 13px;
      font-weight: 600;
      color: var(--gray-800);
      line-height: 1.3;
      word-break: break-word;
    }

    #sheetCommentsModal .task-comment-attachment-card .task-comment-attachment-info .size,
    #sheetCommentsModal .task-comment-attachment-card .task-comment-attachment-info .hint {
      font-size: 12px;
      color: var(--gray-500);
    }

    #sheetCommentsModal .task-comment-attachment-card[data-attachment-ready="0"] .task-comment-attachment-thumb {
      position: relative;
      min-height: 120px;
      background: var(--gray-100);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    #sheetCommentsModal .task-comment-attachment-card[data-attachment-ready="0"] .task-comment-attachment-loader {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 120px;
      width: 100%;
      font-size: 12px;
      color: var(--gray-500);
    }

    #sheetCommentsModal .task-comment-attachment-card[data-attachment-ready="0"] .task-comment-attachment-loader::before {
      content: '';
      width: 32px;
      height: 32px;
      border-radius: 50%;
      border: 3px solid rgba(255, 90, 31, 0.2);
      border-top-color: var(--primary-color);
      animation: task-detail-comment-spinner 0.8s linear infinite;
      display: block;
    }

    #sheetCommentsModal .task-activity-avatar {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary-light, rgba(255, 90, 31, 0.15));
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      text-transform: uppercase;
      flex-shrink: 0;
    }

    #sheetCommentsModal .task-activity-content {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 6px;
      min-width: 0;
    }

    #sheetCommentsModal .task-activity-meta {
      font-size: 12px;
      color: var(--gray-500);
      width: fit-content;
      position: relative;
    }

    #sheetCommentsModal .task-comment-form {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--gray-200);
      padding-top: 16px;
    }

    #sheetCommentsModal .task-comment-input-wrapper {
      flex: 1;
      min-width: 0;
      display: flex;
      align-items: center;
      gap: 12px;
      background: rgba(241, 245, 249, 0.9);
      border: 1px solid rgba(148, 163, 184, 0.35);
      border-radius: 20px;
      padding: 8px 14px;
      box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
      overflow: visible;
    }

    #sheetCommentsModal .task-comment-attach-btn {
      width: 36px;
      height: 36px;
      min-width: 36px;
      border-radius: 50%;
      border: none;
      background: transparent;
      color: var(--gray-500, #6b7280);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      transition: background 0.2s ease, color 0.2s ease;
      cursor: pointer;
    }
    #sheetCommentsModal .task-comment-attach-btn:hover,
    #sheetCommentsModal .task-comment-attach-btn:focus-visible {
      background: rgba(237, 32, 71, 0.12);
      color: var(--primary-color, #ed2047);
    }

    #sheetCommentsModal .task-comment-send-btn {
      width: 44px;
      height: 44px;
      min-width: 44px;
      border-radius: 50%;
      border: none;
      background: linear-gradient(135deg, var(--primary-color, #ed2047), var(--primary-dark, #f26225));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      box-shadow: 0 12px 24px rgba(237, 32, 71, 0.28);
      transition: transform 0.15s ease, box-shadow 0.15s ease;
      cursor: pointer;
    }
    #sheetCommentsModal .task-comment-send-btn:hover,
    #sheetCommentsModal .task-comment-send-btn:focus-visible {
      transform: translateY(-1px);
      box-shadow: 0 16px 26px rgba(237, 32, 71, 0.32);
    }

    #sheetCommentsModal .task-comment-input-inner {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 6px;
      position: relative;
      overflow: auto;
    }

    #sheetCommentsModal .task-comment-mention-dropdown {
      position: absolute;
      bottom: calc(100% + 8px);
      left: 0;
      right: 0;
      display: none;
      background: #fff;
      border: 1px solid var(--gray-300);
      border-radius: 14px;
      box-shadow: 0 18px 35px rgba(15, 23, 42, 0.16);
      max-height: 260px;
      overflow-y: auto;
      margin-top: 0;
      z-index: 6;
    }

    #sheetCommentsModal .task-comment-mention-dropdown.visible {
      display: block;
    }

    #sheetCommentsModal .task-comment-input-inner:has(.task-comment-mention-dropdown.visible) {
      overflow: visible;
    }

    #sheetCommentsModal .task-comment-mention-no-results {
      padding: 12px 16px;
      font-size: 13px;
      color: var(--gray-500);
    }

    #sheetCommentsModal .task-comment-mention-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 16px;
      cursor: pointer;
      transition: background 0.15s ease, color 0.15s ease;
    }

    #sheetCommentsModal .task-comment-mention-item:hover,
    #sheetCommentsModal .task-comment-mention-item.active {
      background: rgba(255, 90, 31, 0.08);
    }

    #sheetCommentsModal .task-comment-mention-avatar {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: rgba(255, 90, 31, 0.12);
      color: var(--primary-color);
      font-size: 13px;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
      text-transform: uppercase;
      flex-shrink: 0;
    }

    #sheetCommentsModal .task-comment-mention-content {
      display: flex;
      flex-direction: column;
      max-width: 100%;
    }

    #sheetCommentsModal .task-comment-mention-name {
      font-size: 13px;
      font-weight: 600;
      color: var(--gray-800);
      line-height: 1.3;
    }

    #sheetCommentsModal .task-comment-mention-meta {
      font-size: 12px;
      color: var(--gray-500);
    }

    #sheetCommentsModal .task-comment-mention-tag {
      display: inline;
      background: rgba(37, 211, 102, 0.18);
      color: #075e54;
      font-weight: inherit;
      font-size: inherit;
      line-height: inherit;
      vertical-align: baseline;
      border-radius: 3px;
      padding: 0;
    }

    #sheetCommentsModal .task-comment-composer-context {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      background: rgba(37, 99, 235, 0.08);
      border: 1px solid rgba(59, 130, 246, 0.2);
      border-radius: 12px;
      padding: 8px 12px;
      margin-bottom: 6px;
      max-height: 80px;
      overflow: hidden;
    }

    #sheetCommentsModal .task-comment-composer-context[hidden] {
      display: none !important;
    }

    #sheetCommentsModal .task-comment-composer-context-content {
      display: flex;
      flex-direction: column;
      gap: 4px;
      font-size: 13px;
      color: var(--gray-700);
      min-width: 0;
      flex: 1;
    }

    #sheetCommentsModal .task-comment-composer-context-title {
      font-weight: 600;
      color: var(--gray-900);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    #sheetCommentsModal .task-comment-composer-context-snippet {
      color: var(--gray-600);
      font-size: 12px;
      white-space: normal;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 100%;
    }

    #sheetCommentsModal .task-comment-composer-context-clear {
      border: none;
      background: rgba(15, 23, 42, 0.06);
      color: var(--gray-600);
      width: 28px;
      height: 28px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: background 0.15s ease, color 0.15s ease;
    }

    #sheetCommentsModal .task-comment-composer-context-clear:hover,
    #sheetCommentsModal .task-comment-composer-context-clear:focus-visible {
      background: rgba(255, 90, 31, 0.15);
      color: var(--primary-color);
    }

    #sheetCommentsModal .task-comment-attachment-preview {
      display: none;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 6px;
    }
    #sheetCommentsModal .task-comment-attachment-chip {
      display: flex;
      align-items: center;
      gap: 10px;
      border: 1px solid var(--gray-200);
      background: var(--gray-50);
      border-radius: 12px;
      padding: 8px 12px;
      position: relative;
      max-width: 220px;
    }

    /* Upload placeholder in comments list (Sending… row) */
    #sheetCommentsModal .task-comment-upload-placeholder {
      margin-bottom: 8px;
    }
    #sheetCommentsModal .task-comment-upload-placeholder .task-comment-upload-progress-row {
      margin-bottom: 8px;
    }
    #sheetCommentsModal .task-comment-upload-placeholder .task-comment-upload-progress-row .task-comment-attachment-upload-indicator {
      position: static;
      display: flex;
      flex-direction: row;
      align-items: center;
      gap: 10px;
      background: transparent;
      padding: 0;
    }
    #sheetCommentsModal .task-comment-upload-placeholder .task-comment-attachments.uploading {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    #sheetCommentsModal .task-comment-upload-placeholder .task-comment-attachment-chip.uploading {
      pointer-events: none;
    }
    #sheetCommentsModal .task-comment-upload-placeholder .task-comment-attachment-chip.uploading .task-comment-attachment-remove {
      display: none;
    }

    #sheetCommentsModal .task-comment-attachment-chip.uploading .task-comment-attachment-remove {
      pointer-events: none;
      opacity: 0.35;
    }

    #sheetCommentsModal .task-comment-attachment-upload-indicator {
      position: absolute;
      inset: 0;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.92);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 6px;
      pointer-events: none;
    }

    #sheetCommentsModal .task-comment-attachment-upload-indicator .progress-circle {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: conic-gradient(var(--primary-color) var(--progress-angle, 0deg), rgba(15, 23, 42, 0.12) 0deg);
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      transition: background 0.15s ease;
    }

    #sheetCommentsModal .task-comment-attachment-upload-indicator .progress-circle::after {
      content: '';
      position: absolute;
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: #fff;
    }

    #sheetCommentsModal .task-comment-attachment-upload-indicator .progress-circle span {
      position: relative;
      z-index: 1;
      font-size: 11px;
      font-weight: 600;
      color: var(--gray-800);
    }

    #sheetCommentsModal .task-comment-attachment-upload-indicator small {
      font-size: 11px;
      color: var(--gray-600);
      font-weight: 500;
    }

    #sheetCommentsModal .task-comment-attachment-upload-indicator[data-indeterminate="1"] .progress-circle {
      background: conic-gradient(var(--primary-color) 90deg, rgba(15, 23, 42, 0.08) 0deg);
      animation: task-detail-comment-spinner 0.9s linear infinite;
    }

    @keyframes task-detail-comment-spinner {
      to { transform: rotate(360deg); }
    }

    /* Optimistic upload: ensure progress card has size so progress circle is visible */
    #sheetCommentsModal .task-comment-attachments-optimistic-upload {
      max-width: 280px;
    }
    #sheetCommentsModal .task-comment-attachment-card-uploading {
      position: relative;
      min-height: 100px;
      min-width: 200px;
      border-radius: 12px;
      overflow: hidden;
      background: var(--gray-100);
      border: 1px solid rgba(15, 23, 42, 0.06);
    }
    #sheetCommentsModal .task-comment-attachment-card-uploading .task-comment-attachment-upload-indicator {
      position: absolute;
      inset: 0;
      z-index: 2;
    }

    #sheetCommentsModal .task-comment-attachment-chip .task-comment-attachment-thumb,
    #sheetCommentsModal .task-comment-attachment-chip .task-comment-attachment-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      flex-shrink: 0;
    }
    #sheetCommentsModal .task-comment-attachment-chip .task-comment-attachment-thumb {
      background: var(--gray-200);
    }
    #sheetCommentsModal .task-comment-attachment-chip .task-comment-attachment-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    #sheetCommentsModal .task-comment-attachment-chip .task-comment-attachment-icon {
      background: rgba(255, 90, 31, 0.12);
      color: var(--primary-color);
      font-size: 16px;
    }
    #sheetCommentsModal .task-comment-attachment-meta {
      display: flex;
      flex-direction: column;
      gap: 2px;
      min-width: 0;
    }
    #sheetCommentsModal .task-comment-attachment-meta .name {
      font-size: 13px;
      font-weight: 500;
      color: var(--gray-700);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    #sheetCommentsModal .task-comment-attachment-meta .size {
      font-size: 12px;
      color: var(--gray-500);
    }
    #sheetCommentsModal .task-comment-attachment-remove {
      position: absolute;
      top: 4px;
      right: 4px;
      border: none;
      background: rgba(0, 0, 0, 0.06);
      color: var(--gray-500);
      cursor: pointer;
      padding: 4px;
      border-radius: 6px;
      line-height: 1;
      transition: color 0.2s ease, background 0.2s ease;
    }
    #sheetCommentsModal .task-comment-attachment-remove:hover {
      background: rgba(0, 0, 0, 0.1);
      color: var(--gray-700);
    }

    #sheetCommentsModal .task-comment-form textarea {
      width: 100%;
      resize: none;
      min-height: 40px;
      max-height: 160px;
      padding: 6px 0;
      border: none;
      font-size: 14px;
      font-family: inherit;
      color: transparent;
      -webkit-text-fill-color: transparent;
      background: transparent;
      line-height: 1.5;
      position: relative;
      z-index: 2;
      caret-color: var(--gray-900);
    }

    #sheetCommentsModal .task-comment-form textarea:focus,
    #sheetCommentsModal .task-comment-form textarea:focus-visible {
      outline: none;
      box-shadow: none;
      border: none;
    }

    #sheetCommentsModal .task-comment-form textarea::placeholder {
      color: transparent;
    }

    #sheetCommentsModal .task-comment-input-field {
      position: relative;
      flex: 1;
      overflow: hidden;
    }

    #sheetCommentsModal .task-comment-input-field::-webkit-scrollbar {
      width: 0;
      height: 0;
    }

    #sheetCommentsModal .task-comment-input-field::-webkit-scrollbar-thumb {
      background: transparent;
    }

    #sheetCommentsModal .task-comment-input-field::-webkit-scrollbar-track {
      background: transparent;
    }

    #sheetCommentsModal .task-comment-form textarea {
      width: 100%;
      resize: none;
      min-height: 40px;
      max-height: 160px;
      padding: 6px 0;
      border: none;
      font-size: 14px;
      font-family: inherit;
      color: transparent;
      -webkit-text-fill-color: transparent;
      background: transparent;
      line-height: 1.5;
      position: relative;
      z-index: 2;
      caret-color: var(--gray-900);
      overflow: hidden;
      scrollbar-width: none;
    }

    #sheetCommentsModal .task-comment-form textarea:focus,
    #sheetCommentsModal .task-comment-form textarea:focus-visible {
      outline: none;
      box-shadow: none;
      border: none;
    }

    #sheetCommentsModal .task-comment-form textarea::-webkit-scrollbar {
      width: 0;
      height: 0;
    }

    #sheetCommentsModal .task-comment-input-editable {
      width: 100%;
      min-height: 40px;
      max-height: 160px;
      padding: 6px 0;
      border: none;
      font-size: 14px;
      font-family: inherit;
      line-height: 1.5;
      color: var(--gray-900, #111);
      white-space: pre-wrap;
      word-break: break-word;
      overflow-wrap: anywhere;
      overflow-y: auto;
      outline: none;
      box-sizing: border-box;
    }

    #sheetCommentsModal .task-comment-input-editable:focus {
      outline: none;
      box-shadow: none;
    }

    #sheetCommentsModal .task-comment-input-editable.task-comment-input-empty:not(:focus)::before {
      content: attr(data-placeholder);
      color: var(--gray-400, #9ca3af);
    }

    #sheetCommentsModal .task-comment-input-editable .task-comment-mention-tag {
      display: inline;
      background: rgba(37, 211, 102, 0.18);
      color: #075e54;
      padding: 0 2px;
      border-radius: 3px;
      font-weight: inherit;
      font-size: inherit;
      line-height: inherit;
    }

    #sheetCommentsModal .task-comment-input-mirror {
      position: absolute;
      inset: 0;
      padding: 6px 0;
      pointer-events: none;
      white-space: pre-wrap;
      word-break: break-word;
      overflow-wrap: anywhere;
      font: inherit;
      font-size: 14px;
      line-height: 1.5;
      color: var(--gray-900);
      z-index: 1;
    }

    #sheetCommentsModal .task-comment-hover-actions {
      position: absolute;
      top: -10px;
      right: -35px;
      display: flex;
      gap: 6px;
      opacity: 0;
      transition: opacity 0.15s ease;
      pointer-events: none;
      z-index: 10;
    }

    #sheetCommentsModal .task-activity-item.self-comment .task-comment-hover-actions {
      right: -10px;
    }

    #sheetCommentsModal .task-activity-item:not(.self-comment) .task-comment-hover-actions {
      right: -35px;
    }

    #sheetCommentsModal .task-activity-item:hover .task-comment-hover-actions,
    #sheetCommentsModal .task-activity-item:focus-within .task-comment-hover-actions {
      opacity: 1;
      pointer-events: auto;
    }

    /* Mobile / touch: always show reply (no hover on touch devices) */
    @media (max-width: 768px), (hover: none) {
      #sheetCommentsModal .task-comment-hover-actions {
        opacity: 1 !important;
        pointer-events: auto !important;
      }
    }

    #sheetCommentsModal .task-comment-reply-btn {
      border: none;
      background: rgba(15, 23, 42, 0.06);
      color: var(--gray-600);
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: background 0.15s ease, color 0.15s ease;
    }

    #sheetCommentsModal .task-comment-reply-btn:hover,
    #sheetCommentsModal .task-comment-reply-btn:focus-visible {
      background: rgba(255, 90, 31, 0.18);
      color: var(--primary-color);
    }

    #sheetCommentsModal .task-comment-reply-context {
      display: flex;
      align-items: center;
      gap: 12px;
      width: 100%;
      border: none;
      background: rgba(15, 23, 42, 0.06);
      border-left: 3px solid var(--primary-color);
      border-radius: 10px;
      padding: 8px 10px;
      margin-bottom: 8px;
      font-size: 12px;
      color: var(--gray-700);
      cursor: pointer;
      transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
      text-align: left;
    }

    #sheetCommentsModal .task-comment-reply-context.is-deleted {
      border: 1px dashed rgba(15, 23, 42, 0.25);
      background: rgba(148, 163, 184, 0.1);
      cursor: not-allowed;
    }

    #sheetCommentsModal .task-comment-reply-context.is-deleted .task-comment-reply-context-text span {
      font-style: italic;
      color: var(--gray-500);
    }

    #sheetCommentsModal .task-comment-reply-context:hover,
    #sheetCommentsModal .task-comment-reply-context:focus-visible {
      background: rgba(255, 90, 31, 0.12);
      box-shadow: 0 0 0 1px rgba(255, 90, 31, 0.25);
      outline: none;
    }

    #sheetCommentsModal .task-comment-reply-context-text {
      display: flex;
      flex-direction: column;
      gap: 4px;
      flex: 1;
      min-width: 0;
      word-break: break-word;
      overflow-wrap: anywhere;
    }

    #sheetCommentsModal .task-comment-reply-context-text strong {
      color: var(--gray-900);
      font-size: 12px;
    }

    #sheetCommentsModal .task-comment-reply-context-text span {
      color: var(--gray-600);
      display: block;
      max-width: 100%;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 12px;
    }

    #sheetCommentsModal .task-comment-reply-attachments {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-shrink: 0;
    }

    #sheetCommentsModal .task-comment-reply-attachment-chip {
      width: 22px;
      height: 22px;
      border-radius: 6px;
      background: rgba(255, 90, 31, 0.16);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
    }

    #sheetCommentsModal .task-comment-reply-attachment-more {
      font-size: 11px;
      color: var(--gray-600);
      background: rgba(15, 23, 42, 0.08);
      border-radius: 6px;
      padding: 0 6px;
      height: 22px;
      display: flex;
      align-items: center;
    }

    #sheetCommentsModal .task-activity-item.self-comment .task-comment-reply-context {
      align-self: flex-end;
      max-width: 100%;
    }

    #sheetCommentsModal .task-activity-item.task-comment-highlight {
      animation: taskCommentHighlightFlash 2.5s ease forwards;
    }

    @keyframes taskCommentHighlightFlash {
      0% {
        background: rgba(255, 90, 31, 0.24);
        box-shadow: 0 0 0 0 rgba(255, 90, 31, 0.18);
      }
      50% {
        background: rgba(255, 90, 31, 0.12);
        box-shadow: 0 0 0 6px rgba(255, 90, 31, 0.12);
      }
      100% {
        background: transparent;
        box-shadow: none;
      }
    }

    #sheetCommentsModal .task-comment-edited-label {
      font-size: 11px;
      color: var(--gray-500);
      margin-left: 6px;
    }

    .task-comment-context-menu {
      position: fixed;
      z-index: 99999;
      min-width: 200px;
      max-width: min(92vw, 320px);
      background: #fff;
      border: 1px solid rgba(148, 163, 184, 0.35);
      border-radius: 12px;
      box-shadow: 0 18px 35px rgba(15, 23, 42, 0.16);
      padding: 0;
      overflow: hidden;
      display: none;
    }
    .task-comment-context-menu.show {
      display: block;
    }
    .task-comment-context-menu-emoji-strip {
      border-bottom: 1px solid rgba(148, 163, 184, 0.28);
      background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    }
    .task-comment-context-menu-emoji-scroll {
      display: flex;
      flex-direction: row;
      flex-wrap: nowrap;
      gap: 2px;
      overflow-x: auto;
      overflow-y: hidden;
      overscroll-behavior-x: contain;
      padding: 8px 10px;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: thin;
      scrollbar-color: rgba(148, 163, 184, 0.6) transparent;
    }
    .task-comment-context-menu-emoji-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .task-comment-context-menu-emoji-scroll::-webkit-scrollbar-thumb {
      background: rgba(148, 163, 184, 0.45);
      border-radius: 3px;
    }
    .task-comment-context-menu-emoji-scroll .task-comment-emoji-picker-btn {
      flex-shrink: 0;
      width: 38px;
      height: 38px;
      padding: 0;
      border: none;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.85);
      font-size: 22px;
      line-height: 1;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.15s ease, transform 0.12s ease;
      box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
    }
    .task-comment-context-menu-emoji-scroll .task-comment-emoji-picker-btn:hover,
    .task-comment-context-menu-emoji-scroll .task-comment-emoji-picker-btn:focus-visible {
      background: #fff;
      transform: scale(1.06);
      outline: none;
    }
    .task-comment-context-menu-actions {
      padding: 6px 0;
      max-height: 55vh;
      overflow-y: auto;
    }
    .task-comment-context-menu-actions button {
      width: 100%;
      border: none;
      background: transparent;
      text-align: left;
      padding: 10px 16px;
      font-size: 13px;
      color: var(--gray-700, #374151);
      display: flex;
      align-items: center;
      gap: 10px;
      cursor: pointer;
      transition: background 0.15s ease, color 0.15s ease;
    }
    .task-comment-context-menu-actions button:hover,
    .task-comment-context-menu-actions button:focus-visible {
      background: rgba(237, 32, 71, 0.12);
      color: var(--primary-color, #ed2047);
    }

    .task-comment-context-menu-reactions {
      min-width: 260px;
      max-width: 320px;
      max-height: 70vh;
      padding: 0;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .task-comment-context-menu-reactions .comment-reactions-menu-back {
      flex-shrink: 0;
      border-bottom: 1px solid rgba(148, 163, 184, 0.25);
      padding: 10px 16px;
      font-size: 13px;
      display: flex;
      align-items: center;
      gap: 10px;
      cursor: pointer;
      background: transparent;
      width: 100%;
      text-align: left;
      color: var(--gray-700, #374151);
    }
    .task-comment-context-menu-reactions .comment-reactions-menu-back:hover {
      background: rgba(237, 32, 71, 0.12);
      color: var(--primary-color, #ed2047);
    }
    .task-comment-context-menu-reactions .comment-reactions-menu-list {
      overflow-y: auto;
      padding: 6px 0;
    }
    .task-comment-context-menu-reactions .comment-reactions-menu-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 16px;
      font-size: 13px;
      color: var(--gray-700, #374151);
      border: none;
      background: transparent;
      width: 100%;
      text-align: left;
      cursor: default;
    }
    .task-comment-context-menu-reactions .comment-reactions-menu-item .reaction-emoji {
      font-size: 16px;
      flex-shrink: 0;
    }
    .task-comment-context-menu-reactions .comment-reactions-menu-item .reaction-name {
      flex: 1;
      min-width: 0;
    }

    /* Telegram-style emoji picker (right-click / long-press on comment) */
    .task-comment-emoji-picker {
      position: absolute;
      z-index: 100001;
      display: none;
      flex-direction: row;
      flex-wrap: nowrap;
      gap: 2px;
      padding: 6px 10px;
      background: #e8e8e8;
      border-radius: 24px;
      border: none;
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    }
    .task-comment-emoji-picker.show {
      display: flex;
    }
    .task-comment-emoji-picker .task-comment-emoji-picker-btn {
      width: 40px;
      height: 40px;
      padding: 0;
      border: none;
      border-radius: 50%;
      background: transparent;
      font-size: 22px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.15s ease;
    }
    .task-comment-emoji-picker .task-comment-emoji-picker-btn:hover {
      background: rgba(0, 0, 0, 0.08);
    }

    /* Reaction pill (compact) under comment text */
    .task-comment-reactions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 4px;
      margin-top: 2px;
      margin-bottom: 1px;
    }
    .task-comment-reaction-pill {
      display: inline-flex;
      align-items: center;
      gap: 3px;
      padding: 2px 6px 2px 4px;
      border-radius: 12px;
      border: none;
      background: #dcf8c6;
      color: var(--gray-800, #1f2937);
      font-size: 12px;
      cursor: pointer;
      box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
    }
    .task-comment-reaction-pill:hover {
      background: #c8f0a8;
    }
    .task-comment-reaction-pill-active {
      background: #b8e098;
      box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
    }
    .task-comment-reaction-pill .task-comment-reaction-emoji {
      font-size: 13px;
      line-height: 1;
    }
    .task-comment-reaction-reactors {
      display: inline-flex;
      align-items: center;
      gap: 1px;
    }
    .task-comment-reaction-reactor {
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--primary-color, #ed2047);
      color: #fff;
      font-size: 8px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      line-height: 1;
      flex-shrink: 0;
    }
    .task-comment-reaction-reactor.task-comment-reaction-avatar {
      width: 18px;
      height: 18px;
      font-size: 9px;
    }
    .task-comment-reaction-reactor-more {
      font-size: 9px;
      color: var(--gray-600, #4b5563);
      margin-left: 1px;
    }
    .task-comment-reaction-count {
      font-size: 10px;
      color: inherit;
      opacity: 0.9;
    }

    /* Sheet Comments Modal: selection bar (same as task-detail) */
    #sheetCommentsModal .task-detail-selection-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 12px;
      background: var(--gray-100, #f3f4f6);
      border-bottom: 1px solid var(--gray-200, #e5e7eb);
      flex-shrink: 0;
    }
    #sheetCommentsModal .task-detail-selection-bar .task-detail-selection-cancel {
      background: none;
      border: none;
      color: var(--gray-700, #374151);
      font-size: 14px;
      cursor: pointer;
      padding: 4px 8px;
    }
    #sheetCommentsModal .task-detail-selection-bar .task-detail-selection-count {
      flex: 1;
      font-size: 14px;
      font-weight: 600;
      color: var(--gray-800, #1f2937);
    }
    #sheetCommentsModal .task-detail-selection-bar .task-detail-selection-more {
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: var(--gray-700, #374151);
      font-size: 18px;
      line-height: 1;
      border-radius: 4px;
    }
    #sheetCommentsModal .task-detail-selection-bar .task-detail-selection-more:hover {
      background: var(--gray-200, #e5e7eb);
    }
    #sheetCommentsModal #sheetCommentSelectionDropdown {
      position: absolute;
      right: 8px;
      top: 100%;
      margin-top: 4px;
      background: #fff;
      border: 1px solid var(--gray-200, #e5e7eb);
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
      z-index: 1000;
      min-width: 180px;
      padding: 4px 0;
    }
    #sheetCommentsModal #sheetCommentSelectionDropdown button {
      display: flex;
      align-items: center;
      gap: 10px;
      width: 100%;
      padding: 10px 14px;
      border: none;
      background: none;
      text-align: left;
      font-size: 14px;
      cursor: pointer;
      color: var(--gray-800, #1f2937);
    }
    #sheetCommentsModal #sheetCommentSelectionDropdown button:hover {
      background: var(--gray-100, #f3f4f6);
    }
    #sheetCommentsModal .task-activity-item.task-comment-selected {
      background: rgba(var(--primary-rgb, 237, 32, 71), 0.08);
      padding: 5px;
      border-radius: 8px;
    }

    /* Sheet Comments Modal: hide mobile tabs on desktop, show on mobile */
    #sheetCommentsModal .task-detail-mobile-tabs {
      display: none;
    }
    /* Sheet Comments Modal: mobile tabs (Sheet | Comment) and swipe - same as task-detail */
    @media (max-width: 768px) {
      #sheetCommentsModal .task-detail-mobile-tabs {
        display: flex;
        gap: 0;
        padding: 0 16px;
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
        border-bottom: 1px solid rgba(148, 163, 184, 0.2);
        background: var(--white, #fff);
        flex-shrink: 0;
      }
      #sheetCommentsModal .task-detail-mobile-tab {
        flex: 1;
        padding: 14px 16px;
        border: none;
        background: none;
        font-size: 14px;
        font-weight: 500;
        color: var(--gray-500, #6b7280);
        cursor: pointer;
        position: relative;
        transition: color 0.2s ease;
      }
      #sheetCommentsModal .task-detail-mobile-tab.active {
        color: var(--primary-color, #ed2047);
      }
      #sheetCommentsModal .task-detail-mobile-tab.active::after {
        content: '';
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: 2px;
        background: var(--primary-color, #ed2047);
        border-radius: 2px 2px 0 0;
      }
      #sheetCommentsModal .task-detail-body {
        flex: 1;
        --swipe: 0px;
        display: flex;
        flex-direction: row;
        gap: 0;
        padding: 0;
        min-height: 0;
        overflow: hidden;
      }
      #sheetCommentsModal .task-detail-body .task-detail-left,
      #sheetCommentsModal .task-detail-body .task-detail-right {
        flex: 0 0 100%;
        width: 100%;
        min-width: 100%;
        min-height: 0;
        display: flex;
        flex-direction: column;
        overflow-y: auto;
        padding: 16px;
        -webkit-overflow-scrolling: touch;
        transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        will-change: transform;
      }
      #sheetCommentsModal .task-detail-body.swiping .task-detail-left,
      #sheetCommentsModal .task-detail-body.swiping .task-detail-right {
        transition: none;
      }
      #sheetCommentsModal .task-detail-body.mobile-tab-detail .task-detail-left {
        transform: translateX(calc(0 + var(--swipe, 0px)));
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        z-index: 1;
      }
      #sheetCommentsModal .task-detail-body.mobile-tab-detail .task-detail-right {
        transform: translateX(calc(100% + var(--swipe, 0px)));
        visibility: visible;
        pointer-events: none;
        z-index: 0;
      }
      #sheetCommentsModal .task-detail-body.mobile-tab-comment .task-detail-left {
        transform: translateX(calc(-100% + var(--swipe, 0px)));
        visibility: visible;
        pointer-events: none;
        z-index: 0;
      }
      #sheetCommentsModal .task-detail-body.mobile-tab-comment .task-detail-right {
        transform: translateX(calc(-100% + var(--swipe, 0px)));
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        z-index: 1;
        min-height: 200px;
      }
      #sheetCommentsModal .modal-dialog {
        width: 100%;
        max-width: 100%;
      }
      #sheetCommentsModal .modal-content {
        height: 90vh;
        max-height: 90vh;
        border-radius: 16px;
        padding-bottom: env(safe-area-inset-bottom, 0);
      }
      :is(#taskDetailModal, #sheetCommentsModal) .task-detail-header {
        padding: 12px 16px 10px;
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
      }
    }

    /* Comment Reactions list modal (right-click > Reactions) */
    .comment-reactions-modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.4);
      z-index: 100010;
      display: none;
      align-items: center;
      justify-content: center;
    }
    .comment-reactions-modal-overlay.show {
      display: flex;
    }
    .comment-reactions-modal {
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
      min-width: 320px;
      max-width: 420px;
      max-height: 80vh;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .comment-reactions-modal-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 16px;
      border-bottom: 1px solid #eee;
    }
    .comment-reactions-modal-header h3 {
      margin: 0;
      font-size: 16px;
      font-weight: 600;
    }
    .comment-reactions-modal-close {
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
      padding: 0 4px;
      line-height: 1;
      color: #666;
    }
    .comment-reactions-modal-close:hover {
      color: #000;
    }
    .comment-reactions-modal-body {
      padding: 12px 16px;
      overflow-y: auto;
    }
    .comment-reactions-summary {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 12px;
    }
    .comment-reactions-summary-btn {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 6px 10px;
      border-radius: 8px;
      border: 1px solid #e0e0e0;
      background: #f5f5f5;
      font-size: 14px;
      cursor: default;
    }
    .comment-reactions-summary-btn.active {
      background: #e3f2fd;
      border-color: #2196f3;
    }
    .comment-reactions-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .comment-reactions-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 0;
      border-bottom: 1px solid #f0f0f0;
    }
    .comment-reactions-list li:last-child {
      border-bottom: none;
    }
    .comment-reactions-list .reaction-emoji {
      font-size: 18px;
    }
    .comment-reactions-list .reaction-name {
      font-size: 14px;
      color: #333;
    }
