:root {
    --color-primary: #000000; /* ดำ */
    --color-secondary: #ffff00; /* เหลืองสด */
}

.dd {
    position: relative;
    display: block;
    margin: 0;
    padding: 0;
    max-width: 600px;
    list-style: none;
    font-size: 13px;
    line-height: 20px;
  }

  .dd-list {
    display: block;
    position: relative;
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .dd-list .dd-list {
    padding-left: 30px;
  }
  .dd-collapsed .dd-list {
    display: none;
  }

  .dd-item,
  .dd-empty,
  .dd-placeholder {
    display: block;
    position: relative;
    margin: 0;
    padding: 0;
    min-height: 20px;
    font-size: 13px;
    line-height: 20px;
  }

  .dd-handle {
    display: block;
    height: 30px;
    margin: 5px 0;
    padding: 5px 10px;
    color: #333;
    text-decoration: none;
    font-weight: bold;
    border: 1px solid #ccc;
    -webkit-border-radius: 3px;
    border-radius: 3px;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    background: var(--color-primary);
  }
  .dd-handle:hover {
    color: #2ea8e5;
    background: var(--color-secondary);
  }

  .dd-item > button {
    display: block;
    position: relative;
    cursor: pointer;
    float: left;
    width: 25px;
    height: 20px;
    margin: 7px 0;
    padding: 0;
    text-indent: 100%;
    white-space: nowrap;
    overflow: hidden;
    border: 0;
    background: transparent;
    font-size: 12px;
    line-height: 1;
    text-align: center;
    font-weight: bold;
  }
  .dd-item > button:before {
    content: "+";
    display: block;
    position: absolute;
    width: 100%;
    text-align: center;
    text-indent: 0;
  }
  .dd-item > button[data-action="collapse"]:before {
    content: "-";
  }

  .dd-placeholder,
  .dd-empty {
    margin: 5px 0;
    padding: 0;
    min-height: 30px;
    background: #fff;
    border: 1px dashed var(--color-primary);
    box-sizing: border-box;
    -moz-box-sizing: border-box;
  }
  .dd-empty {
    border: 1px dashed var(--color-primary);
    min-height: 100px;
    background-color: #fff;
    background-image:
      -webkit-linear-gradient(
        45deg,
        #fff 25%,
        transparent 25%,
        transparent 75%,
        #fff 75%,
        #fff
      ),
      -webkit-linear-gradient(
          45deg,
          #fff 25%,
          transparent 25%,
          transparent 75%,
          #fff 75%,
          #fff
        );
    background-image:
      -moz-linear-gradient(
        45deg,
        #fff 25%,
        transparent 25%,
        transparent 75%,
        #fff 75%,
        #fff
      ),
      -moz-linear-gradient(
          45deg,
          #fff 25%,
          transparent 25%,
          transparent 75%,
          #fff 75%,
          #fff
        );
    background-image:
      linear-gradient(
        45deg,
        #fff 25%,
        transparent 25%,
        transparent 75%,
        #fff 75%,
        #fff
      ),
      linear-gradient(
        45deg,
        #fff 25%,
        transparent 25%,
        transparent 75%,
        #fff 75%,
        #fff
      );
    background-size: 60px 60px;
    background-position:
      0 0,
      30px 30px;
  }

  .dd-dragel {
    position: absolute;
    pointer-events: none;
    z-index: 9999;
  }
  .dd-dragel > .dd-item .dd-handle {
    margin-top: 0;
  }
  .dd-dragel .dd-handle {
    -webkit-box-shadow: 2px 4px 6px 0 rgba(0, 0, 0, 0.1);
    box-shadow: 2px 4px 6px 0 rgba(0, 0, 0, 0.1);
  }

  /**
     * Nestable Extras
     */

  .nestable-lists {
    display: block;
    clear: both;
    padding: 30px 0;
    width: 100%;
    border: 0;
    border-top: 2px solid #ddd;
    border-bottom: 2px solid #ddd;
  }

  #nestable-menu {
    padding: 0;
    margin: 20px 0;
  }

  #nestable-output,
  #nestable2-output {
    width: 100%;
    height: 7em;
    font-size: 0.75em;
    line-height: 1.333333em;
    font-family: Consolas, monospace;
    padding: 5px;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
  }

  #nestable2 .dd-handle {
    color: #fff;
    border: 1px solid #999;
    @apply bg-primary;
  }
  #nestable2 .dd-handle:hover {
    background: #bbb;
  }
  #nestable2 .dd-item > button:before {
    color: #fff;
  }

  @media only screen and (min-width: 700px) {
    .sortable-container {
      float: left;
      width: 48%;
    }
    .sortable-container + .sortable-container {
      margin-left: 2%;
    }
  }

  /* Nestable specific styles */
  .dd-dragel {
    position: absolute;
    pointer-events: none;
    z-index: 9999;
  }
  .dd-dragel > .dd-item .dd-handle {
    margin-top: 0;
  }
  .dd-dragel .dd-handle {
    -webkit-box-shadow: 2px 4px 6px 0 rgba(0, 0, 0, 0.1);
    box-shadow: 2px 4px 6px 0 rgba(0, 0, 0, 0.1);
  }

  /* Additional styles for better layout */
  #nestable-menu {
    margin: 20px 0;
  }

  #nestable-menu button {
    margin-right: 10px;
    padding: 5px 10px;
    background: #f0f0f0;
    border: 1px solid #ccc;
    cursor: pointer;
  }

  #nestable-menu button:hover {
    background: #e0e0e0;
  }

  #nestable-output,
  #nestable2-output {
    width: 100%;
    height: 100px;
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ccc;
    font-family: monospace;
    font-size: 12px;
    resize: vertical;
  }

  .dd-hover > .dd-handle {
    background: #2ea8e5 !important;
  }

  /**
     * Nestable Draggable Handles
     */

  .dd3-content {
    /* display: block; */
    height: 35px;
    margin: 5px 0;
    padding: 7px 10px 7px 60px;
    color: #333;
    text-decoration: none;
    font-weight: bold;
    border: 1px solid var(--color-primary);
    background: #fff;
    -webkit-border-radius: 5px;
    border-radius: 5px;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
  }
  .dd3-content:hover {
    color: #000;
    background: #fff;
  }

  .dd-dragel > .dd3-item > .dd3-content {
    margin: 0;
  }

  .dd3-item > button {
    margin-left: 35px;
  }

  .dd3-handle {
    position: absolute;
    margin: 0;
    left: 0;
    top: 0;
    cursor: pointer;
    width: 35px;
    height: 35px;
    text-indent: 100%;
    white-space: nowrap;
    overflow: hidden;
    border: 1px solid #aaa;
    background: #000;
    border-top-left-radius: 5px;
    border-top-right-radius: 0;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 0;
  }
  .dd3-handle:before {
    content: "≡";
    display: block;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    text-align: center;
    text-indent: 0;
    color: var(--color-secondary);
    font-size: 20px;
    font-weight: normal;
  }
  .dd3-handle:hover {
    background: #000;
  }

  /**
     * Socialite
     */

  .socialite {
    display: block;
    float: left;
    height: 35px;
  }

  /* Level badge styling */
  .level-badge {
    background: var(--color-primary);
    color: var(--color-secondary);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 10px;
    margin-left: 5px;
  }

  /* Array count styling */
  .array-count {
    color: #666;
    font-size: 11px;
    font-style: italic;
  }