.#{$dialog} {
  position: fixed;

  > .#{$panel} {
    display: flex;
    flex-direction: column;
    box-shadow: var(--box-shadow-xl);
    border: none;
    .panel-header {
      flex-shrink: 0;
      flex-grow: unset;
    }

    .panel-body {
      // flex-grow: 1;  //默认footer 在最底下
      max-height: 100%;
    }

    .panel-footer {
      flex-shrink: 0;
      flex-grow: unset;
    }

    &.is-resizable {
      .panel-body {
        position: relative;
        &::after {
          content: "";
          position: absolute;
          bottom: 0;
          right: 0;
          width: size(16px);
          height: size(16px);
          cursor: nwse-resize;
        }
      }
    }
  }

  &.at-center {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    height: 100%;
    overflow: auto;

    > .#{$panel} {
      position: relative;
      margin: size(40px) auto;
    }
  }

  &.at-left {
    left: 0;
    top: 0;
    bottom: 0;

    > .#{$panel} {
      &[show-as='drawer'] {
        border-radius: 0;
        height: 100%;
        .panel-header,
        .panel-footer {
          border-radius: 0;
        }
      }
    }
  }

  &.at-right {
    right: 0;
    top: 0;
    bottom: 0;

    > .#{$panel} {
      &[show-as='drawer'] {
        border-radius: 0;
        height: 100%;
        .panel-header,
        .panel-footer {
          border-radius: 0;
        }
      }
    }
  }

  &.at-top {
    top: 0;
    left: 0;
    right: 0;

    > .#{$panel} {
      &[show-as='drawer'] {
        border-radius: 0;
        width: 100% !important;
        .panel-header,
        .panel-footer {
          border-radius: 0;
        }
      }
    }
  }

  &.at-bottom {
    bottom: 0;
    left: 0;
    right: 0;

    > .#{$panel} {
      &[show-as='drawer'] {
        border-radius: 0;
        width: 100% !important;
        .panel-header,
        .panel-footer {
          border-radius: 0;
        }
      }
    }
  }

  &.at-fullscreen {
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    > .#{$panel} {
      position: fixed;
      top: var(--panel-fullscreen-top);
      right: var(--panel-fullscreen-right);
      bottom: var(--panel-fullscreen-bottom);
      left: var(--panel-fullscreen-left);
      width: auto !important;
      height: auto !important;
      transform: translate(0) !important;
      &[show-as='drawer'] {
        border-radius: 0;

        .panel-header,
        .panel-footer {
          border-radius: 0;
        }
      }
    }
  }
}