 .draggable-demo {
    padding: 24px;
    min-height: 100vh;


  .kanban-card {
    margin-bottom: 24px;
  }

  .kanban-board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    min-height: 500px;

    @media (max-width: 1200px) {
      grid-template-columns: repeat(2, 1fr);
    }

    @media (max-width: 768px) {
      grid-template-columns: 1fr;
    }
  }

  .kanban-column {
    border-radius: 8px;
    border: 1px solid var(--n-border-color);
    overflow: hidden;

    .column-header {
      padding: 16px;
      font-weight: 600;
      color: white;
      text-align: center;

      h4 {
        margin: 0;
        font-size: 14px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
      }

      &.todo-header {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      }
      &.progress-header {
        background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
      }
      &.review-header {
        background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
      }
      &.done-header {
        background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
      }
    }

    .task-list {
      padding: 16px;
      min-height: 200px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
  }

  .task-card {
    border: 1px solid var(--n-border-color);
    border-radius: 8px;
    padding: 16px;
    cursor: grab;
    transition: all 0.3s ease;

    &:hover {
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      transform: translateY(-2px);
    }

    &:active {
      cursor: grabbing;
    }

    .task-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;

      .task-date {
        font-size: 12px;
        opacity: 0.7;
      }
    }

    .task-title {
      font-size: 16px;
      font-weight: 600;
      margin: 0 0 12px 0;
      line-height: 1.4;
    }

    .task-meta {
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin-bottom: 16px;

      .meta-item {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 12px;
        opacity: 0.8;

        div {
          font-size: 14px;
        }
      }
    }

    .task-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;

      .assignee {
        display: flex;
        align-items: center;
        gap: 8px;

        span {
          font-size: 12px;
          font-weight: 500;
        }
      }

      .handle {
        opacity: 0.6;
        cursor: grab;
        padding: 4px;
        border-radius: 4px;
        transition: all 0.2s ease;

        &:hover {
          opacity: 1;
          background: var(--n-close-icon-color-hover);
        }

        div {
          font-size: 16px;
        }
      }
    }
  }

  .empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    opacity: 0.6;

    div {
      font-size: 32px;
      margin-bottom: 8px;
    }

    p {
      margin: 0;
      font-size: 14px;
    }
  }

  .bottom-section {
    margin-top: 24px;
  }

  .tech-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .tech-card {
    border: 1px solid var(--n-border-color);
    border-radius: 8px;
    padding: 16px;
    cursor: grab;
    transition: all 0.3s ease;

    &:hover {
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      border-color: var(--n-primary-color);
      transform: translateY(-2px);
    }

    &:active {
      cursor: grabbing;
    }

    .tech-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;

      .tech-info {
        display: flex;
        align-items: center;
        gap: 12px;
        flex: 1;
        min-width: 0;

        .tech-logo {
          width: 32px;
          height: 32px;
          border-radius: 4px;
          flex-shrink: 0;
        }

        .tech-name {
          font-size: 16px;
          font-weight: 600;
          cursor: pointer;
          transition: color 0.2s ease;

          &:hover {
            color: var(--n-primary-color);
          }
        }
      }

      .tech-handle {
        opacity: 0.6;
        cursor: grab;
        padding: 4px;
        border-radius: 4px;
        flex-shrink: 0;
        transition: all 0.2s ease;

        &:hover {
          opacity: 1;
          background: var(--n-close-icon-color-hover);
        }

        div {
          font-size: 16px;
        }
      }
    }

    .tech-desc p {
      margin: 0;
      font-size: 14px;
      opacity: 0.8;
      line-height: 1.5;
    }
  }

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

  .activity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-radius: 8px;
    cursor: grab;
    margin-bottom: 10px;
    transition: all 0.3s ease;
    color: white;
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);

    &:hover {
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }

    &:active {
      cursor: grabbing;
    }

    .activity-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.9);
      flex-shrink: 0;
    }

    .activity-text {
      flex: 1;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
  }

  @media (max-width: 768px) {
    .draggable-demo {
      padding: 16px;
    }
    .page-title {
      font-size: 20px;
    }

    .tech-card .tech-header .tech-info {
      .tech-logo {
        width: 24px;
        height: 24px;
      }
      .tech-name {
        font-size: 14px;
      }
    }

    .task-card {
      padding: 12px;
      .task-title {
        font-size: 14px;
      }
    }

    .activity-item {
      padding: 12px;
      font-size: 12px;
    }

    .bottom-section :deep(.n-grid-item) {
      grid-column: span 4;
    }
  }
}