docmost/apps/client/src/features/editor/styles/table.css

.tableWrapper {
  margin-top: 1rem;
  margin-bottom: 1rem;
  overflow-x: auto;
  & table {
    overflow-x: hidden;
    min-width: 700px !important;
  }
}

.table-dnd-preview {
  padding: 0;
  background-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(2px);
}

.table-dnd-drop-indicator {
  background-color: #adf;
}

.ProseMirror {
  table {
    border-collapse: collapse;
    margin: 0;
    table-layout: fixed;
    width: 100%;

    td,
    th {
      border: 1px solid #ced4da;
      box-sizing: border-box;
      min-width: 1em;
      padding: 3px 5px;
      position: relative;
      vertical-align: top;

      &:first-of-type:not(a) {
        margin-top: 0;
      }

      p {
        margin: 0;

        & + p {
          margin-top: 0.75rem;
        }
      }
    }

    th {
      background-color: light-dark(
        var(--mantine-color-gray-1),
        var(--mantine-color-dark-5)
      );
      font-weight: bold;
      text-align: left;
    }

    .column-resize-handle {
      background-color: #adf;
      bottom: -1px;
      position: absolute;
      right: -2px;
      pointer-events: none;
      top: 0;
      width: 4px;
    }

    .selectedCell:after {
      background: rgba(200, 200, 255, 0.4);
      content: "";
      left: 0;
      right: 0;
      top: 0;
      bottom: 0;
      pointer-events: none;
      position: absolute;
      z-index: 2;
    }
  }
}

/* Table cell background colors with dark mode support */
.ProseMirror {
  table {
    @mixin dark {
      /* Blue */
      td[data-background-color="#b4d5ff"],
      th[data-background-color="#b4d5ff"] {
        background-color: #1a3a5c !important;
      }

      /* Green */
      td[data-background-color="#acf5d2"],
      th[data-background-color="#acf5d2"] {
        background-color: #1a4d3a !important;
      }

      /* Yellow */
      td[data-background-color="#fef1b4"],
      th[data-background-color="#fef1b4"] {
        background-color: #7c5014 !important;
      }

      /* Red */
      td[data-background-color="#ffbead"],
      th[data-background-color="#ffbead"] {
        background-color: #5c2a23 !important;
      }

      /* Pink */
      td[data-background-color="#ffc7fe"],
      th[data-background-color="#ffc7fe"] {
        background-color: #4d2a4d !important;
      }

      /* Gray */
      td[data-background-color="#eaecef"],
      th[data-background-color="#eaecef"] {
        background-color: #2a2e33 !important;
      }

      /* Purple */
      td[data-background-color="#c1b7f2"],
      th[data-background-color="#c1b7f2"] {
        background-color: #3a2f5c !important;
      }
    }
  }
}

.editor-container:has(.table-dnd-drop-indicator[data-dragging="true"]) {
  .prosemirror-dropcursor-block {
    display: none;
  }

  .prosemirror-dropcursor-inline {
    display: none;
  }
}