/* Sidebar — left column, dark bg */
:root {
  --sidebar-inline-space: max(calc(var(--inline-space) * 1.5), 1vw);
  --sidebar-tools-height: calc(var(--block-space) + var(--btn-size) + (var(--block-space) * 2));
}

.sidebar__container {
  block-size: 100%;
  max-block-size: 100%;
  padding-block-end: 52px; /* height of sidebar-footer */
  color: rgb(255 255 255 / 0.75);
}

.sidebar__tools {
  background-color: var(--bg-sidebar);
  border-top: 1px solid rgb(255 255 255 / 0.05);
  inset: auto 0 0 0;
  padding-block: calc(var(--block-space) * 1.5);
  padding-inline: var(--sidebar-inline-space);
  position: absolute;
  inline-size: var(--sp-sidebar-width);
}

.sidebar__toggle {
  display: none;
}

/* Direct messages */
.directs {
  --btn-border-color: rgb(255 255 255 / 0.15);
  --column-gap: calc(var(--inline-space) / 1.5);

  display: grid;
  grid-auto-columns: minmax(auto, max-content);
  grid-auto-flow: column;
  justify-content: start;
  overscroll-behavior: auto;
  margin-block-end: var(--block-space-half);
  padding-block: var(--block-space) var(--block-space-half);
  padding-inline: var(--sidebar-inline-space) calc(var(--sidebar-inline-space) + var(--column-gap));
  position: sticky;
  inset-block-start: 0;
  z-index: 3;
  background-color: var(--bg-sidebar);
}

.directs--edit {
  display: grid;
  gap: var(--inline-space);
  grid-template-columns: repeat(auto-fit, minmax(33%, 1fr));
  grid-template-rows: min-content;
  place-items: center;

  .member {
    aspect-ratio: 1;
    block-size: auto;
    inline-size: 100%;
    margin-inline: auto;
    place-content: center;
  }
}

.direct {
  border-radius: 0.3em;
  box-shadow: none;
  color: rgb(255 255 255 / 0.75);
  display: grid;
  justify-items: center;
  position: relative;
  text-decoration: none;

  .avatar,
  .avatar__group {
    margin-inline: calc(var(--inline-space) / 1.5);

    .avatar {
      margin-inline: 0;
    }
  }

  @media (any-hover: hover) {
    &:where(:not(:active):hover) .avatar:not(.avatar--icon) {
      filter: brightness(0.7);
    }
  }

  &:focus-within,
  &:where(:not(:active)):focus-visible {
    outline: 0;
  }
}

.direct__new {
  margin-inline-end: var(--inline-space-half);

  .avatar {
    margin-inline: 0;
  }
}

.direct__author {
  --column-gap: 0.3ch;

  margin-block-start: 0.1em;
  color: rgb(255 255 255 / 0.75);

  .unread & {
    font-weight: 800;
    position: relative;

    &::after {
      --size: 0.6em;

      aspect-ratio: 1;
      background-color: rgb(255 255 255 / 0.85);
      block-size: var(--size);
      border-radius: calc(var(--size) * 2);
      content: "";
      flex-shrink: 0;
      inline-size: var(--size);
      position: absolute;
      inset: 1.3em auto auto 50%;
      transform: translate(-50%);
    }
  }
}

/* Rooms */
.rooms {
  --column-gap: 0.5em;
  --row-gap: 0.5em;

  padding-inline: var(--sidebar-inline-space);
}

.rooms__new-btn {
  inset-block-end: calc((var(--sidebar-tools-height) * -1) + var(--block-space) * 1.5);
  position: sticky;
  z-index: 4;
}

.room {
  background-color: transparent;
  color: rgb(255 255 255 / 0.65);
  font-weight: normal;
  justify-content: start;
  margin-inline-end: auto;
  max-inline-size: 100%;

  &:hover {
    color: rgb(255 255 255 / 0.9);
  }

  .searches-list & {
    border-radius: 0.5em;
  }

  &.unread {
    --btn-border-color: rgb(255 255 255 / 0.3);
    --hover-color: rgb(255 255 255 / 0.15);

    color: rgb(255 255 255 / 0.9);
    font-weight: 600;

    &:not(:hover) {
      box-shadow: 0 0 0 1px rgb(255 255 255 / 0.2);
    }
  }
}

.room--current {
  --btn-border-radius: 0.5em;
  --hover-filter: none;
  --num-buttons: 1;

  color: #ffffff;
  min-block-size: var(--btn-size);

  .room__contents {
    max-inline-size: calc(var(--sp-sidebar-width) - 4rem);
  }
}