/*
 * https://github.com/morethanwords/tweb
 * Copyright (C) 2019-2021 Eduard Kuzmenko
 * https://github.com/morethanwords/tweb/blob/master/LICENSE
 */

#column-left {
  //display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-width: unquote('min(100%, 18rem)');
  max-width: calc(#{$large-screen} / 4);

  @include respond-to(handhelds) {
    width: 100%;
    max-width: 100%;

    body:not(.is-left-column-shown) & {
      transform: translate3d(-25vw, 0, 0);
      filter: brightness(80%);
    }
  }

  @include respond-to(not-handhelds) {
    overflow: visible;

    &:after {
      position: absolute;
      content: " ";
      display: block;
      height: 100vh;
      width: 1px;
      background-color: var(--border-color);
      inset-inline-end: -1px;
      top: 0;
      z-index: 2;
    }
  }
  
  @include respond-to(floating-left-sidebar) {
    display: flex;
    position: fixed;
    left: 0;
    top: 0;
    /* height: calc(var(--vh, 1vh) * 100);
    min-height: calc(var(--vh, 1vh) * 100) !important; */
    width: 26.5rem;
    transform: translate3d(-5rem, 0, 0);
    transition: transform var(--layer-transition);
    max-width: unset;
    
    body.animation-level-0 & {
      transition: none;
    }

    body.is-left-column-shown & {
      transform: translateZ(0);
    }
  }

  @include respond-to(no-floating-left-sidebar) {
    display: flex;
  }

  @include respond-to(before-medium-screens) {
    flex: 2;
  }

  // ! WARNING, ОЧЕНЬ КРУТОЙ КОСТЫЛЬ - ФИКС ЧЁРНОЙ РАМКИ У КАРТИНОК С ХВОСТИКОМ
  html.is-safari & {
    @include respond-to(large-screens) {
      max-width: calc(#{$large-screen} / 4 - 1.25px);
    }
  }

  // .item-main {
  //   --menu-size: 3.1875rem;
  // }

  .item-main .menu-horizontal {
    &-scrollable {
      // --scrollable-size: var(--menu-size);
      z-index: 1;
      background-color: var(--surface-color);
      position: relative;
      top: unset;

      @include respond-to(handhelds) {
        box-shadow: 0px 1px 5px -1px rgba(0, 0, 0, .16);
      }

      .scrollable {
        position: relative;
      }

      .badge {
        margin-inline-start: 5px;
        //line-height: inherit !important;
      }

      &:not(.hide) + #folders-container {
        height: calc(100% - var(--scrollable-size));
        position: relative;
  
        .scrollable {
          padding-top: .5rem;
        }

        .dialogs-placeholder-canvas {
          top: .5rem;
        }
  
        /* .chatlist {
          top: .5rem;
        } */
      }
    }

    &-div {
      position: relative !important;
      justify-content: flex-start;
      z-index: 0;
      // padding: 0 0 5px; // 4px + 1px border // floating design
      --padding-horizontal: .6875rem;

      @include respond-to(handhelds) {
        --padding-horizontal: .1875rem;
      }

      &-item {
        flex: 0 0 auto;
        min-width: 3rem;
      }

      &__stripe {
        display: none;
      }
    }
  }

  .folders-tabs-scrollable {
    flex: 0 0 auto;
  }

  /* .folders-tabs-scrollable {
    .menu-horizontal-div-item:first-child {
      margin-inline-start: .6875rem;
  
      @include respond-to(handhelds) {
        margin-inline-start: .1875rem;
      }
    }
  } */

  .item-main {
    --offset-top: 0;
    background-color: var(--surface-color);

    .input-search {
      /* &-input {
        --paddingLeft: 0px;
        padding-inline-start: calc(42px - var(--border-width) + var(--paddingLeft));
      } */

      .selector-user {
        height: 30px;
        position: absolute !important;
        inset-inline-start: 6px;
        top: 6px;
        z-index: 1;
        margin-inline-start: 0;
        line-height: 1.875rem;
      }

      &.is-picked {
        .input-search-input {
          padding-inline-start: calc(var(--paddingLeft) + 12px - var(--border-width));
        }

        .tgico-close {
          display: block !important;
        }
      }
      
      &.is-picked-twice {
        .selector-user:first-of-type {
          width: 30px;
        }

        .selector-user:last-of-type {
          inset-inline-start: 38px;
        }
      }
    }
  
    .search-helper {
      display: flex;
      margin-inline-start: 28px;

      @include respond-to(handhelds) {
       margin-inline-start: 20px;
      }

      .selector-user {
        margin-top: 7px;
        font-size: 14px;

        @include hover() {
          background-color: var(--light-primary-color);
        }

        &-avatar:after {
          display: none !important;
        }
      }

      &:empty {
        display: none;
      }
    }
    
    .search-super-tabs-scrollable {
      flex: 0 0 auto; 
      position: relative !important; 

      &:before {
        display: none;
      }

      .menu-horizontal-div-item {
        flex: 1 0 auto !important;
      }
    }

    .search-super {
      .preloader {
        height: 100%;
        top: 50%;
        transform: translate(-50%, -50%);
      }
    }
  }

  #chatlist-container {
    max-height: 100%;
    // overflow: hidden;
    position: relative;
    background-color: var(--surface-color);

    &.has-filters {
      .connection-status-bottom {
        height: calc(100% + var(--offset-top) * -1);
      }
    }
  }

  #folders-container {
    flex: 1 1 auto;

    .scrollable-y {
      background-color: transparent;
      position: absolute;
      
      &.active { // fix safari 14.0.2 scrollHeight
        display: block;
      }
    }
  }

  .dialogs-placeholder-canvas {
    position: absolute;
    top: 0;
    z-index: 2;
  }

  .sidebar-slider {
    height: 100%;
  }

  .sidebar-header__btn-container {
    position: relative;
    width: 2.5rem;
    height: 2.5rem;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;

    > .btn-icon {
      visibility: hidden;
      opacity: 0;
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      // z-index: 2;
      z-index: 4; // over forum
      margin: 0;

      body.animation-level-0 &:before {
        transition: none;
      }

      &.is-visible {
        //margin-top: 1px;
        opacity: 1;
        visibility: visible;
      }
    }

    @include respond-to(handhelds) {
      .btn-menu {
        margin-top: -.25rem;
      }
    }
  }

  .sidebar-tools-button {
    width: 100%;

    .btn-menu {
      min-width: 260px;
      max-height: calc(100 * var(--vh) - 3.75rem);

      &-item {
        padding-inline-end: .375rem;
      }
    }
  }

  .archived-count {
    justify-self: flex-end;
    margin-inline-start: .625rem;

    html.is-mobile & {
      margin-inline-end: .375rem;
    }

    @include respond-to(handhelds) {
      font-weight: var(--font-weight-bold);
    }

    &:empty {
      display: none;
    }
  }

  .search-group-people {
    .chatlist {
      display: flex;
      flex-direction: row;
      margin-top: -1px;
      padding: 0 0 1px;

      &:before,
      &:after {
        content: " ";
        display: inline-block;
        width: .3125rem;
        flex: 0 0 auto;
      }

      &-chat {
        width: 4.875rem;
        max-width: 4.875rem;
        height: 6.125rem;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        align-items: center;
        flex: 0 0 auto;
        padding: 0 !important;
      }
    }

    .dialog {
      &-title-details,
      &-subtitle {
        display: none;
      }
  
      &-title {
        max-width: 65px;
        padding-bottom: .75rem;

        .user-title {
          font-size: .75rem !important;
        }

        .peer-title {
          font-weight: var(--font-weight-normal) !important;
        }
      }

      &-avatar {
        inset-inline-start: auto !important;
        top: .75rem !important;
      }
    }

    .search-group-scrollable {
      position: relative;
      
      @include respond-to(handhelds) {
        margin-inline-start: -7px;
        margin-top: 4px;
      }
      
      > .scrollable {
        position: relative;
      }
    }
  }

  .item-main .sidebar-content {
    // overflow: visible;
    justify-content: center;

    .btn-menu {
      bottom: calc(100% + 10px);
    }

    .btn-corner {
      &:not(.menu-open) .tgico-newchat_filled, 
      &.menu-open .tgico-close {
        visibility: visible !important;
      }

      @include animation-level(2) {
        &:not(.menu-open) .tgico-newchat_filled, 
        &.menu-open .tgico-close {
          animation: grow-icon .4s forwards ease-in-out !important;
        }
      }

      @include respond-to(handhelds) {
        --size: 54px;
        bottom: 14px;
        right: 14px;

        position: fixed !important;
        z-index: 1;
      }

      /* html:not(.no-touch) & {
        transform: translateZ(0);
      } */
      &:not(.is-hidden) {
        transform: translateZ(0);
      }
    }

    /* html.no-touch &:hover .btn-corner:not(.is-hidden) {
      transform: translateZ(0);
    } */
  }

  .connection-status {
    width: 100%;
    padding: 0 .5rem .5rem;
    overflow: hidden;
    flex: 0 0 auto;
    
    &:not(.is-shown) {
      .connection-status-button {
        display: none;
      }
    }

    &.is-shown {
      &.animating {
        .connection-status-button, 
        & + .connection-status-bottom {
          transition: transform var(--layer-transition);
        }
      }

      &:not(.backwards) {
        .connection-status-button {
          transform: translateY(0);
        }

        & + .connection-status-bottom {
          transform: translateY(calc(64px + var(--offset-top)));
        }
      }

      &:not(.animating):not(.backwards) {
        & + .connection-status-bottom {
          height: calc(100% - 64px + var(--offset-top));
        }
      }
    }

    &-button {
      color: #2e3939;
      align-self: center;
      cursor: default;
      padding-inline-start: 4.5rem;
      text-align: start;
      height: 3.5rem;

      .force-reconnect {
        cursor: pointer;
        text-decoration: underline;
        color: inherit;
      }

      transform: translateY(-100%);

      .preloader-container {
        right: auto;
        inset-inline-start: 1rem;
        width: 1.5rem;
        height: 1.5rem;

        .preloader-path-new {
          stroke: #2e3939;
        }
      }
    }

    &-bottom {
      --offset-top: 0px;
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      right: 0;
      overflow: hidden;
      background-color: var(--surface-color);

      transform: translateY(var(--offset-top));
      height: 100%;

      display: flex;
      flex-direction: column;

      /* transform: translateY(64px);
      height: calc(100% - 64px); */
    }
  }

  .input-wrapper {
    width: 420px;
    margin: 0 auto;
    flex: 0 0 auto;
    padding: 0 .75rem;
    max-width: 100%;
    margin: .75rem 0;

    @include respond-to(handhelds) {
      width: 100%;
    }
  }
}

#search-container {
  display: flex;
  top: var(--offset-top) !important;

  .scrollable-y {
    position: relative;
    flex: 1 1 auto;
  }
}

.new-channel-container,
.new-group-container,
.edit-profile-container {
  .sidebar-content {
    flex-direction: column;
  }

  .chatlist-container {
    flex: 1 1 auto;
  }

  .caption {
    font-size: .875rem;
    margin-top: 14px;
    margin-inline-start: 23px;
    color: var(--secondary-text-color);
    padding-inline-end: 24px;
  }
}

.language-container {
  .sidebar-left-section {
    padding-bottom: .5rem;
  }
}

.new-group-container {
  .search-group {
    margin-top: .5rem;
  }
}

.edit-folder-container {
  .chatlist {
    padding: 0;
  }

  .folder-categories {
    .folder-category-button {
      &:nth-child(n+2) {
        pointer-events: none;
      }
    }
  }
}

.new-group-members {
  padding: 1.5rem 0 .4375rem;

  .search-group__name {
    text-transform: capitalize;
  }
}

.settings-container {
  .profile {
    &-avatars-container {
      padding-bottom: 0;
      height: 15rem;
    }
  }
}

// #folders-tabs {
//   @include premium(true) {
//     .menu-horizontal-div-item:nth-child(n+12) {
//       pointer-events: none;
//       opacity: .2;
//     }
//   }
// }

.edit-profile-container {
  .scroll-wrapper {
    width: 100%;
  }
}

.chat-folders-container, 
.edit-folder-container, 
.people-nearby-container {
  user-select: none;

  .sticker-container {
    width: 86px;
    height: 86px;
    margin: 1px auto 29px;
    flex: 0 0 auto;
    position: relative;
  }

  .caption {
    text-align: center;
    color: var(--secondary-text-color);
    font-size: var(--font-size-14);
    line-height: var(--line-height-14);
    max-width: 20rem;
    margin: 0 auto;
  }
}

.people-nearby-container {
  .sticker-container {
    margin: 1rem auto;
  }

  .caption {
    margin-bottom: 1rem;
  }
}

.chat-folders-container {
  .sidebar-left-section {
    &:not(:last-child) {
      padding-bottom: 0;
    }

    &:last-child {
      padding-bottom: .5rem;
    }

    /* &-name {
      padding-top: .5rem;
      padding-bottom: .5rem;
    } */
  }
}

.edit-folder-container {
  .caption {
    margin-bottom: 18px;
  }

  @include respond-to(handhelds) {
    .input-wrapper {
      width: 100%;
      padding: 0 16px;
    }
  }

  .sidebar-left-section {
    padding-bottom: 0rem;

    &:last-child {
      padding-bottom: .5rem;
    }
  }
}

.folder-categories {
  .checkbox-field {
    position: absolute;
    right: 1.125rem !important;
  }
}

.included-chatlist-container {
  .sidebar-left-section {
    padding-bottom: 0;

    &:first-child {
      padding-top: 0;
    }
    
    &:last-child {
      padding-bottom: .5rem;
    }

    .chatlist {
      padding: 0;
    }
  }

  .selector {
    .chatlist {
      .checkbox {
        margin-top: 10px;
      }

      [type="checkbox"] + span {
        padding-inline-start: 26px;
      }
    }
  }
}

.search-group-recent {
  .search-group__name {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .btn-icon {
    //@include respond-to(handhelds) {
      font-size: 22px;
    //}
  }
}

@include respond-to(handhelds) {
  .search-group-recent.search-group.search-group-contacts ul {
    margin-top: 0;
  }

  .search-group.search-group-contacts ul, .search-group.search-group-messages ul {
    margin-top: 7px;
  }

  .search-group.search-group-messages {
    margin-top: -6px;
  }
}

@include respond-to(not-handhelds) {
  .search-group-recent.search-group.search-group-contacts {
    padding: 0px 0 7px;
  }
}

.sidebar-left {
  &-section {
    /* padding-bottom: .75rem;

    @include respond-to(handhelds) {
      padding-bottom: .5rem;
    } */
    // user-select: none;
    padding: .5rem 0 1rem;

    &.with-fake-delimiter {
      padding-top: 0 !important;
      box-shadow: none;

      .gradient-delimiter {
        margin-bottom: .5rem;
      }
    }

    &.no-padding-top {
      padding-top: 0 !important;
    }

    @include respond-to(handhelds) {
      padding-bottom: .5rem;
    }
  
    &-content {
      @include respond-to(not-handhelds) {
        margin: 0 .5rem;
      }

      > .btn-primary {
        margin: 0;
      }

      > .checkbox-field {
        .checkbox-box {
          inset-inline-start: auto;
        }
      }

      @include respond-to(handhelds) {
        > .checkbox-ripple, 
        > .btn-primary {
          border-radius: 0;
        }
      }

      &.full-width {
        margin: 0 !important;
      }

      > .media-sticker-wrapper {
        width: 86px;
        height: 86px;
        margin: 1px auto 29px;
        flex: 0 0 auto;
        position: relative;
      }
    }
  
    &-name {
      padding: 1rem;

      @include respond-to(handhelds) {
        padding: .5rem 1rem;
        font-size: .875rem;
      }
    }

    &-caption {
      margin-top: 1rem;
      font-size: 1rem;
      color: var(--secondary-text-color);
      line-height: var(--line-height);
      padding: 0 1rem;

      @include respond-to(handhelds) {
        margin: .5rem;
        font-size: .875rem;
      }
    }

    .checkbox-field,
    .radio-field {
      margin: 0;
    }

    // * comment later
    &:first-child:not(.no-delimiter) {
      padding-top: 0;
    }

    .checkbox-field {
      display: flex;
      align-items: center;
      height: 3.5rem;
      padding: 0 1.125rem;
    }

    &-disabled {
      pointer-events: none !important;
      opacity: .25;
    }

    .chatlist {
      padding: 0;
    }
  }

  &-h2 {
    color: var(--primary-color);
    font-size: 16px;
    font-weight: var(--font-weight-bold);
  }
}

.general-settings-container {
  user-select: none;

  .sidebar-left-section {
    padding-bottom: 0;
  }

  .sidebar-left-section:last-child {
    padding-bottom: .5rem;
  }
}

#chats-archived-container,
#contacts-container,
.add-members-container,
#search-private-container,
#stickers-container,
#poll-results-container,
#search-gifs-container {
  background-color: var(--surface-color) !important;
}

.chat-folders-container {
  .btn-control {
    margin-bottom: 1.5rem;
  }
}

.two-step-verification {
  background-color: var(--surface-color) !important;

  .sidebar-left-section { // * main tab verified with mockup
    box-shadow: none !important;

    &:first-child { // ! refactor is needed
      padding-top: 0;
    }

    &-caption {
      text-align: center;
      max-width: 342px;
      margin-left: auto;
      margin-right: auto;
      margin-bottom: 1.125rem;
    }
  }

  &-main {
    .btn-primary + .btn-primary {
      margin-top: .125rem !important;
    }
  }

  .btn-primary:not(.btn-transparent) {
    text-transform: uppercase;
  }

  .media-sticker-wrapper {
    width: 168px;
    height: 168px;
    margin: .625rem auto 1.1875rem;
  }

  .input-wrapper .btn-primary:first-child:last-child {
    margin-top: .25rem;
  }

  &-enter-password {
    .media-sticker-wrapper {
      margin: 1.125rem auto 1.8125rem;
      width: 157px;
      height: 157px;
    }
  }

  &-hint {
    .media-sticker-wrapper {
      width: 160px;
      height: 160px;
      margin: .5rem auto 2.25rem;
    }
  }

  &-email {
    .media-sticker-wrapper {
      width: 160px;
      height: 160px;
      margin: .5625rem auto 2.1875rem;
    }
  }

  &-set {
    .media-sticker-wrapper {
      width: 160px;
      height: 160px;
      margin: 1rem auto 1.3125rem;

      .rlottie,
      .rlottie-vector {
        inset-inline-start: .625rem;
      }
    }
  }
}

.dont-u-dare-block-me {
  .sidebar-left-section.no-delimiter {
    padding-top: .75rem;
  }

  .sidebar-left-section {
    padding: 0 0 .5rem;
  }

  /* .privacy-navigation-container {
    .sidebar-left-section-name + .row {
      margin-top: -5px; // ! just to match mockup.
    }
  } */
}

.privacy-tab {
  // * just to match mockup
  @include respond-to(not-handhelds) {
    .sidebar-left-section:first-child {
      padding-bottom: 1.125rem;
    }
  }

  form {
    padding-bottom: .0625rem;
  }
}

.active-sessions-container {
  .row {
    // margin-top: 0;
    // padding-top: 1rem;
    // padding-bottom: .9375rem;

    &-title:first-child {
      font-weight: var(--font-weight-bold);
    }

    &-title-right {
      font-size: var(--font-size-12);
      color: var(--secondary-text-color);
      line-height: var(--line-height-12);
    }

    &-midtitle, 
    &-subtitle {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
  }

  .sidebar-left-section:first-child {
    padding-bottom: 0;

    .row-title {
      font-weight: var(--font-weight-bold);
    }
  }
}

.blocked-users-container {
  ul {
    @include respond-to(not-handhelds) {
      padding: 0 .6875rem;
    }
  }
}

.notifications-container {
  .sidebar-left-section {
    padding-bottom: 0;
  }
}

.range-setting-selector {
  padding: 1rem .875rem;

  &-details {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
  }

  &-name {
    color: var(--primary-text-color);
  }

  &-value {
    color: var(--secondary-text-color);
  }

  .progress-line {
    --height: 2px;
    --color: var(--primary-color);
    --border-radius: 4px;
    --thumb-size: 12px;
    background-color: #e6ecf0;
    
    &__filled {
      background-color: var(--primary-color);
    }
  }
}

.background-container {
  .background {
    &-item {
      &:after {
        content: " ";
        display: block;
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        border: 3px solid var(--primary-color);
        opacity: 0;
        transition: opacity .2s ease-in-out;
      }

      &.active {
        &:after {
          opacity: 1;
        }

        .grid-item-media {
          transform: scale(.91);
        }
      }

      &-media {
        transition: transform .2s ease-in-out;
        transform: scale(1);
      }
    }

    .preloader-container {
      z-index: 1;
    }
  }
}

.background {
  &-item {
    cursor: pointer;

    &-media {
      border-radius: inherit;

      &.is-pattern {
        background-color: #000;
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;

        .media-photo {
          mix-blend-mode: soft-light;
        }
      }
    }

    .media-photo {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: inherit;
    }
  }

  &-colors-canvas {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-mask-position: center;
    -webkit-mask-size: cover;
    border-radius: inherit;
  }
}

.background-image-container {
  .sidebar-left-section {
    padding-bottom: .5rem;
  }
}

.empty-placeholder {
  // left: 50%;
  // transform: translate(-50%, -50%);
  // position: absolute;
  top: 40%;
  transform: translateY(-50%);
  text-align: center;
  line-height: var(--line-height);
  user-select: none;
  width: 21rem !important;
  margin: 0 auto;
  padding: 0 1rem;
  position: relative;
  
  .media-sticker-wrapper {
    width: 128px;
    height: 128px;
    margin: 0 auto 1.9375rem;
    position: relative;
  }

  &-header {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
  }

  &-subtitle {
    color: var(--secondary-text-color);
    font-size: .875rem;
    margin-top: .375rem;
  }

  .btn-control {
    margin-top: 1.75rem;
    padding: 0 1.0625rem 0 .8125rem;

    &:before {
      margin-inline-end: .625rem;
    }
  }

  &-dialogs {
    opacity: 0;

    @include animation-level(2) {
      transition: opacity .2s ease-in-out;  
    }

    &-icon {
      margin-bottom: 1.0625rem;
    }

    &.visible {
      opacity: 1;
    }
  }
}

.is-forum-visible {
  // .item-main,
  .can-have-forum {
    .row-row,
    .input-search,
    .sidebar-header__title {
      opacity: 0;
    }
  }

  .folders-tabs-scrollable {
    opacity: var(--disabled-opacity);
    pointer-events: none;
  }

  &.backwards {
    // .item-main,
    .can-have-forum {
      .row-row,
      .input-search,
      .sidebar-header__title {
        opacity: 1;
      }
    }

    .folders-tabs-scrollable {
      opacity: 1;
    }
  }

  &.animating {
    // .item-main,
    .can-have-forum {
      .row-row,
      .input-search,
      .sidebar-header__title {
        transition: opacity var(--transition-standard-in);
      }
    }

    .folders-tabs-scrollable {
      transition: opacity var(--transition-standard-in);
    }

    &.backwards {
      // .item-main,
      .can-have-forum {
        .row-row,
        .input-search,
        .sidebar-header__title {
          transition: opacity var(--transition-standard-out);
        }
      }

      .folders-tabs-scrollable {
        transition: opacity var(--transition-standard-out);
      }
    }
  }
}