//
// Copyright © 2021 Anticrm Platform Contributors.
// 
// Licensed under the Eclipse Public License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// 
// See the License for the specific language governing permissions and
// limitations under the License.
//

/* Panels */
* {
  --app-panel-width: 4rem;
}
.antiPanel-application {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  min-width: var(--app-panel-width);
  width: var(--app-panel-width);
  height: 100%;
}
.antiPanel-navigator,
.antiPanel-component {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;

  &.filled { background-color: var(--body-accent); }
  &.border-left { border-left: 1px solid var(--divider-color); }
  &.border-right { border-right: 1px solid var(--divider-color); }
}
.antiPanel-navigator {
  min-width: 18rem;
  max-width: 18rem;
  width: 18rem;

  &.float {
    position: fixed;
    top: var(--status-bar-height);
    left: var(--app-panel-width);
    background-color: var(--body-accent);
    filter: drop-shadow(2px 0 1px rgba(0, 0, 0, .2));
    z-index: 450;
  }
}
.antiPanel-component:not(.aside) { flex-grow: 1; }
.antiPanel-component.aside {
  min-width: 30rem;
  width: 30rem;
  max-width: 30rem;
}

/* Navigation */
.antiNav-header {
  flex-shrink: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.75rem;
  height: 4rem;
}
.antiNav-subheader {
  display: flex;
  justify-content: stretch;
  align-items: stretch;
  margin: .5rem .75rem .75rem;
}
.antiNav-element {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  margin: 1px 1rem;
  padding: .25rem;
  height: 1.75rem;
  border-radius: .25rem;
  user-select: none;
  cursor: pointer;

  .an-element__icon {
    min-width: 1rem;
    color: var(--content-color);
    margin: 0 .625rem 0 .375rem;
  }
  .an-element__label {
    flex-grow: 1;
    margin-right: .75rem;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    user-select: none;
    font-weight: 400;
    color: var(--accent-color);
    &.title {
      font-weight: 500;
      color: var(--accent-color);
    }
    &.bold {
      font-weight: 600;
      color: var(--theme-caption-color);
    }
  }
  .an-element__icon-arrow {
    margin-left: .5rem;
    opacity: 0;
    transform-origin: 35% center;
    transform: rotate(90deg);
    transition: transform .2s ease;

    &.collapsed { transform: rotate(0deg); }
    &.small {
      width: .325rem;
      height: .325rem;
    }
    &.medium {
      width: .375rem;
      height: .375rem;
    }
  }
  .an-element__tool {
    margin-left: .75rem;
    visibility: hidden;
  }
  .an-element__counter {
    margin-left: .75rem;
    font-weight: 600;
    font-size: .75rem;
    color: var(--accent-color);
  }

  &:hover, &.hovered, &.selected {
    background-color: var(--menu-bg-select);
    .an-element__icon { color: var(--menu-icon-hover); }
    .an-element__icon-arrow { opacity: 1; }
  }
  &:hover .an-element__tool, &.hovered .an-element__tool { visibility: visible; }

  &:not(.collapsed) .an-element__icon-arrow { opacity: 1; }
  &.parent {
    margin: .5rem 1rem 1px;
    padding: 0 .5rem;
    height: 1.5rem;
    font-size: .75rem;
    line-height: 1.5rem;

    .an-element__icon-arrow { opacity: 0; }
    .an-element__label { color: var(--content-color); }
    &.collapsed .an-element__icon-arrow,
    &:hover .an-element__icon-arrow { opacity: 1; }
  }
  &.child { padding: 0 .25rem 0 1.5rem; }

  &__dropbox {
    height: auto;
    margin-bottom: .5rem;
  }
}
.antiNav-divider {
  flex-shrink: 0;
  margin: .25rem 0;
  height: 1px;
  // background-color: var(--divider-color);
}
.antiNav-scroll {
  flex-grow: 1;
  min-height: 0;
  max-height: 10rem;
  height: max-content;
  overflow-x: hidden;
  overflow-y: auto;
  mask-image: linear-gradient(0deg, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 1) 2rem);

  &::-webkit-scrollbar-track { margin: 0; }
  &::-webkit-scrollbar-thumb {
    background-color: var(--theme-bg-accent-color);
    &:hover { background-color: var(--theme-menu-divider); }
  }
}
.antiNav-box {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.antiNav-space {
  flex-shrink: 0;
  height: 1rem;
}
.antiNav-topFade { mask-image: linear-gradient(0deg, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 1) 2rem, rgba(0, 0, 0, 1) calc(100% - 1px), rgba(0, 0, 0, 0) 100%); }
.antiNav-bottomFade { mask-image: linear-gradient(0deg, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 1) 1px, rgba(0, 0, 0, 1) calc(100% - 2rem), rgba(0, 0, 0, 0) 100%); }
.antiNav-bothFade { mask-image: linear-gradient(0deg, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 1) 2rem, rgba(0, 0, 0, 1) calc(100% - 2rem), rgba(0, 0, 0, 0) 100%); }
.antiNav-noneFade { mask-image: linear-gradient(0deg, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 1) 1px, rgba(0, 0, 0, 1) calc(100% - 1px), rgba(0, 0, 0, 0) 100%); }