siyuan/app/src/assets/scss/_protyle.scss

@import "content";
@import "toolbar";
@import "wysiwyg";
@import "search";

.protyle-scroll {
  --b3-dynamicscroll-width: 200px;
  position: absolute;
  right: 0;
  top: 30px;
  width: 16px;
  padding: 0 8px;
  bottom: 9px; // 下图标 hover 时，需要留出一定的空间

  svg {
    height: 16px;
    width: 16px;
    display: block;
  }

  &__down,
  &__up {
    transition: var(--b3-transition);
    position: absolute;
    opacity: 0;
    cursor: pointer;
    color: var(--b3-border-color);

    &:hover {
      color: var(--b3-theme-on-surface);
    }
  }

  &__up {
    top: calc(50% - var(--b3-dynamicscroll-width) / 2 - 20px);
  }

  &__down {
    bottom: calc(50% - var(--b3-dynamicscroll-width) / 2 - 20px);
  }

  &:hover {
    .protyle-scroll__down,
    .protyle-scroll__up {
      opacity: 1;
    }
  }

  &__bar {
    position: absolute;
    right: calc(11px - var(--b3-dynamicscroll-width) / 2);
    top: calc(50% - 8px);
    transform: rotate(90deg);
    z-index: 1;

    .b3-slider {
      width: var(--b3-dynamicscroll-width);
      display: block;
    }
  }
}

.protyle-attr {
  display: flex;
  position: absolute;
  right: 0;
  top: -9px;
  opacity: 0;
  font-size: 12px;
  font-weight: normal;

  & > div.protyle-attr--bookmark {
    flex: 1;
  }

  & > div:not(.protyle-attr--refcount) {
    margin: 0 4px;
    line-height: 16px;
    color: var(--b3-theme-on-surface);
    min-width: 12px;

    &:hover {
      color: var(--b3-theme-on-background);
    }

    svg {
      height: 12px;
      width: 12px;
      margin: 2px 2px 0 0;
      float: left;
    }
  }

  &--refcount {
    right: -16px;
    top: 18px;
    position: absolute;
    line-height: 16px;
    padding: 0 4px;
    color: var(--b3-theme-on-surface);
    border-radius: 2px;
    font-size: 12px;
    user-select: none;
    cursor: pointer;
    height: 16px;
    background-color: var(--b3-theme-surface);
    z-index: 1; // 防止被 protyle-scroll 遮挡

    &:hover {
      color: var(--b3-theme-on-background);
      background-color: var(--b3-theme-surface-lighter);
    }
  }

  &:empty {
    display: none;
  }
}

.protyle-gutters {
  cursor: pointer;
  user-select: none;
  position: fixed;
  box-sizing: border-box;
  z-index: 1;
  text-align: center;

  button {
    border: 0;
    background-color: transparent;
    padding: 4px;
    transition: var(--b3-transition);
    cursor: pointer;

    &:hover svg {
      color: var(--b3-theme-on-surface);
    }

    &:active {
      cursor: grabbing;
    }
  }

  svg {
    height: 14px;
    color: var(--b3-theme-on-surface-light);
    width: 14px;
    float: left;
    transition: var(--b3-transition);
  }
}

.protyle-select {
  position: fixed;
  background-color: var(--b3-theme-primary-lightest);
}

.protyle-breadcrumb {
  display: flex;
  padding: 0 8px;
  background-color: var(--b3-theme-background);
  flex-shrink: 0;
  box-sizing: border-box;
  min-height: 30px;
  z-index: 1;

  &__space {
    flex: 1;
    min-width: 8px;
    transition: var(--b3-transition);
    color: var(--b3-theme-on-surface);
    text-align: center;
    padding: 6px 0;
    line-height: 18px;
  }

  &__bar {
    align-items: center;
    flex-wrap: wrap;
    display: flex;
    transition: var(--b3-transition);
    overflow: auto;
    min-height: 30px;

    &::-webkit-scrollbar {
      display: none;
    }

    &--hide {
      opacity: 0;
      transition: 1s;
    }

    &--nowrap {
      flex-wrap: nowrap;
    }

    .b3-tooltips {
      height: 22px;
      flex-shrink: 0;
    }
  }

  &__arrow {
    height: 10px;
    width: 10px;
    color: var(--b3-theme-on-surface-light);
    margin: 0 4px;
    flex-shrink: 0;
  }

  &__text--ellipsis {
    max-width: 112px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
  }

  &__text {
    margin-left: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  &__item {
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 4px;
    line-height: 16px;
    height: 16px;
    border-radius: 4px;
    margin: 3px 0;
    color: var(--b3-theme-on-surface);
    max-width: 70%;

    &.b3-tooltips svg {
      margin-right: 0;
    }

    svg {
      height: 14px;
      width: 14px;
      flex-shrink: 0;
      color: var(--b3-theme-on-surface);

      &:hover {
        color: var(--b3-theme-on-background);
      }
    }

    &:hover,
    &--active {
      color: var(--b3-theme-on-background);
      background-color: var(--b3-list-hover);
    }
  }
}

.protyle-content {
  overflow: auto;
  flex: 1;

  &--transition {
    .protyle-wysiwyg {
      transition: padding .3s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0ms;
    }

    .protyle-title {
      transition: margin .3s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0ms;
    }

    .protyle-background__iconw {
      transition: left .3s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0ms;
    }
  }
}

.protyle-background {
  position: relative;
  padding-bottom: 40px;

  &--enable {
    .protyle-background__tags .item:hover svg {
      opacity: 1;
    }

    .protyle-background__img:hover .protyle-icons,
    &:hover > .protyle-background__iconw > .protyle-icons,
    .protyle-background__icon:hover {
      opacity: .86;
    }
  }


  &--mobileshow {
    .protyle-background__iconw > .protyle-icons,
    .protyle-background__img .protyle-icons,
    .protyle-background__tags .item svg {
      opacity: .86;
    }
  }

  &__icon {
    height: 80px;
    width: 80px;
    transition: var(--b3-transition);
    cursor: pointer;
    font-size: 80px;
    line-height: 80px;
    text-align: center;
    font-family: var(--b3-font-family-emoji);
    margin-right: 16px;

    img, svg {
      height: 80px;
      width: 80px;
      float: left;
      border-radius: 4px;
    }
  }

  &__img {
    position: absolute;
    width: 100%;

    img {
      object-fit: cover;
      width: 100%;
      height: 30vh;
      opacity: 1;
      object-position: center;
    }

    .protyle-icons {
      bottom: 8px;
      top: auto;
      margin-left: -44px;
      left: auto;
      right: 32px; // 仅 iPone，设置 index 也无效 https://github.com/siyuan-note/siyuan/issues/6926

      &:nth-child(3) {
        right: auto;
        left: 48%;
        opacity: .86;
        top: 50%;
        bottom: auto;
        margin-top: -11px;
      }
    }
  }

  &__tags {
    padding: 4px 16px;
    display: flex;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;

    .item {
      margin: 4px 16px 4px 0;
      position: relative;
      padding: 0 4px;
      border-radius: 4px;
      cursor: pointer;
      display: inline-block;
      font-size: 14px;
      line-height: 20px;
      color: var(--b3-card-success-color);
      background-color: var(--b3-card-success-background);

      &:hover {
        color: var(--b3-theme-on-background);
      }

      &--1 {
        color: var(--b3-card-info-color);
        background-color: var(--b3-card-info-background);
      }

      &--2 {
        color: var(--b3-card-warning-color);
        background-color: var(--b3-card-warning-background);
      }

      &--3 {
        color: var(--b3-card-error-color);
        background-color: var(--b3-card-error-background);
      }

      svg {
        opacity: 0;
        position: absolute;
        height: 8px;
        width: 8px;
        padding: 4px;
        border-radius: 10px;
        color: var(--b3-theme-on-surface);
        background-color: var(--b3-theme-surface);
        transition: var(--b3-transition);
        top: -6px;
        right: -10px;

        &:hover {
          color: var(--b3-theme-on-background);
          background-color: var(--b3-theme-background-light);
        }
      }
    }
  }

  &__iconw {
    bottom: 0;
    display: flex;
    position: absolute;
    height: 80px;

    .protyle-icons {
      position: initial;
      margin-top: 40px;
    }
  }
}

.protyle-title {
  margin: 34px 16px 0 24px;
  position: relative;
  font-size: 16px;

  &:hover .protyle-title__icon {
    opacity: 1;
  }

  &__icon {
    position: absolute;
    left: -24px;
    top: 50%;
    opacity: 0;
    margin: -15px 4px 0 0;
    padding: 8px 4px 8px 4px;
    transition: var(--b3-transition);
    color: var(--b3-theme-on-surface-light);
    cursor: pointer;
    line-height: 20px;

    &:hover {
      color: var(--b3-theme-on-surface);
    }

    svg {
      height: 14px;
      width: 14px;
      float: left;
    }
  }

  &__input {
    width: 100%;
    color: var(--b3-theme-on-background);
    box-sizing: border-box;
    border: 0;
    background: var(--b3-theme-background);
    font-size: 2em;
    font-weight: bold;
    line-height: 1.625;
    padding: 0 4px;
    white-space: break-spaces;

    &:empty:after {
      content: attr(data-tip);
      color: var(--b3-theme-on-surface);
      cursor: text;
    }

    &:focus {
      outline: none;
    }
  }
}

.protyle-action__table {
  position: absolute;
  top: 4px;
  height: 0;
  width: 0;
  -webkit-user-modify: read-only;

  .table__resize {
    position: absolute;
    top: 0;
    width: 6px;
    cursor: col-resize;

    &:hover:after {
      background-color: var(--b3-theme-primary-light);
    }

    &:after {
      top: 0;
      width: 2px;
      left: 2px;
      height: 100%;
      content: "";
      display: block;
      position: absolute;
      transition: var(--b3-transition);
    }
  }

  .table__select {
    background: var(--b3-theme-primary-lightest);
    position: relative;
    transition: var(--b3-transition);
  }
}