/* Sidebar */
#sidebar {
  --sidebar-inline-space: max(calc(var(--inline-space) * 1.5), 1vw);
  --sidebar-tools-height: calc(var(--block-space) + 2.5em + (var(--block-space) * 2));
  --sidebar-header-height: 3em;
  --sidebar-search-height: 2.5em;
  --sidebar-reserved: calc(var(--sidebar-tools-height) + var(--sidebar-header-height) + var(--block-space) * 2);
  --sidebar-bg: oklch(93% 0.006 268);
  --sidebar-header-bg: oklch(93% 0.006 268);
  --sidebar-tools-bg: oklch(93% 0.006 268);

  @media (prefers-color-scheme: dark) {
    --sidebar-bg: #0D1D32;
    --sidebar-header-bg: #0D1D32;
    --sidebar-tools-bg: #0D1D32;
  }
}

/* ── Header ── */
.sidebar__header {
  align-items: center;
  background-color: var(--sidebar-header-bg);
  block-size: var(--navbar-height);
  display: flex;
  justify-content: space-between;
  padding: var(--block-space-half) var(--sidebar-inline-space);

  @media (max-width: 100ch) {
    padding-inline: var(--sidebar-inline-space);

    #sidebar.open & {
      padding-inline-start: calc(var(--btn-size) + var(--sidebar-inline-space) + 0.4em);
    }
  }

  .sidebar-logo {
    --avatar-size: 2.4em;

    block-size: var(--avatar-size);
    border-radius: 0.5em;
    flex-shrink: 0;
    inline-size: var(--avatar-size);
    overflow: hidden;

    img {
      block-size: 100%;
      inline-size: 100%;
      object-fit: cover;
    }
  }
}

.sidebar__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-inline-end: auto;
  margin-inline-start: var(--sidebar-inline-space);
}

.sidebar__header-actions {
  align-items: center;
  display: flex;
  gap: 0.2em;
}

.sidebar__compose-btn {
  --btn-background: transparent;
  --btn-border-color: transparent;
  --btn-color: var(--color-icon);
  --btn-padding: 0.4em;

  img, svg {
    width: 22px;
    height: 22px;
  }

  @media (any-hover: hover) {
    &:hover { opacity: 1; }
  }
}

/* ── Rooms container (scrollable) ── */
.sidebar__rooms-container {
  overflow-y: auto;
  padding-block-start: var(--block-space-half);
}

/* ── Room list items ── */
.sidebar-item {
  align-items: center;
  border-radius: 0.5em;
  color: var(--color-text);
  display: grid;
  gap: 0.65em;
  grid-template-columns: auto 1fr auto;
  margin-inline: calc(var(--sidebar-inline-space) / 2);
  padding: 0.55em calc(var(--sidebar-inline-space) / 2) 0.55em 0.55em;
  text-decoration: none;
  transition: background-color 100ms ease;

  @media (any-hover: hover) {
    &:hover {
      background-color: oklch(var(--lch-gray));
    }
  }

  &.sidebar-item--current {
    background-color: oklch(97% 0.004 268);
    box-shadow: inset 0 0 0 1px var(--color-alert);
    overflow: hidden;
    position: relative;

    &::after {
      background-color: var(--color-alert);
      border-radius: 3px;
      content: "";
      inset-block: 10px;
      inset-inline-end: 0;
      inline-size: 5px;
      position: absolute;
    }

    @media (prefers-color-scheme: dark) {
      background-color: #25262E;
    }
  }

  &.unread .sidebar-item__name {
    font-weight: 700;
  }
}

.sidebar-item__avatar-wrap {
  flex-shrink: 0;
  position: relative;
}

.sidebar-item__online-dot {
  background-color: oklch(65% 0.2 145);
  border: 2px solid var(--color-bg);
  border-radius: 50%;
  block-size: 0.6em;
  inline-size: 0.6em;
  inset-block-end: 0;
  inset-inline-end: 0;
  position: absolute;
}

.sidebar-item__avatar {
  --avatar-size: 2.4em;

  block-size: var(--avatar-size);
  border-radius: 0.4em;
  display: block;
  inline-size: var(--avatar-size);
  overflow: hidden;
}

.sidebar-item__avatar--letter {
  align-items: center;
  background-color: var(--room-color, var(--color-alert));
  color: var(--room-text-color, #fff);
  display: flex;
  justify-content: center;
}

.sidebar-item__avatar-img {
  block-size: 100%;
  inline-size: 100%;
  object-fit: cover;
}

.sidebar-item__letter {
  color: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.sidebar-item__body {
  display: flex;
  flex-direction: column;
  gap: 0.15em;
  min-inline-size: 0;
}

.sidebar-item__name {
  font-size: 0.9rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-item__preview {
  font-size: 0.7rem;
  opacity: 0.55;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-item__meta {
  align-items: flex-end;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  gap: 0.3em;
  justify-content: center;
  min-block-size: 2.4em;
}

.sidebar-item__time {
  font-size: 0.75rem;
  opacity: 0.5;
  white-space: nowrap;
}

.sidebar-item__badge {
  --size: 0.55em;

  aspect-ratio: 1;
  background-color: oklch(65% 0.2 145);
  border-radius: 50%;
  display: none;
  inline-size: var(--size);
  min-inline-size: var(--size);
}

.sidebar-item.unread .sidebar-item__badge {
  display: block;
}

/* ── Resize handle (desktop) ── */
.sidebar__resize-handle {
  block-size: 100%;
  cursor: col-resize;
  inline-size: 6px;
  inset-block-start: 0;
  inset-inline-end: 0;
  position: absolute;
  z-index: 5;

  &::after {
    background-color: transparent;
    block-size: 100%;
    content: "";
    display: block;
    inline-size: 2px;
    margin-inline: auto;
    transition: background-color 150ms ease;
  }

  @media (any-hover: hover) {
    &:hover::after {
      background-color: var(--color-alert);
    }
  }

  @media (max-width: 100ch) {
    display: none;
  }
}

/* ── Toggle button (mobile) ── */
.sidebar__toggle {
  inset-block-start: var(--block-space-half);
  inset-inline-start: var(--inline-space);
  position: fixed;
  z-index: 10;

  @media (min-width: 100ch) {
    display: none;
  }
}

/* ── Tools (bottom bar) ── */
.sidebar__tools {
  --btn-size: 2.1em;

  align-items: center;
  background-color: var(--sidebar-tools-bg);
  display: flex;
  flex-shrink: 0;
  gap: var(--inline-space-half);
  min-block-size: var(--footer-height);
  padding-block-end: 1rem;
  padding-inline: var(--sidebar-inline-space);
}

.sidebar__tool {
  --btn-padding: 0.4em;

  @media (any-hover: hover) {
    &:hover { opacity: 1; }
  }

  &.avatar {
    --avatar-border-radius: 50%;
    --btn-border-size: 0;
    --btn-padding: 0;
    opacity: 1;
  }
}

.sidebar__tool--small {
  --btn-size: 2em;
}

/* ── New direct form (inside direct_rooms_control frame) ── */
.directs--new {
  --column-gap: var(--inline-space);
  --row-gap: 2px;

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

.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;
  }
}

/* ── Searches sidebar context ── */
.searches {
  #app-logo {
    display: none;
  }

  #nav {
    align-items: center;
    gap: var(--inline-space-half);
  }

  .rooms {
    padding-block-start: var(--block-space);
  }

  .message--formatted .message__room {
    display: block;
    font-size: 0.8rem;
    font-weight: 400;
    overflow: hidden;
    text-overflow: ellipsis;
    visibility: visible;
    white-space: nowrap;

    &::before { content: "→"; }

    .message--me & {
      &::after  { content: "←"; }
      &::before { content: ""; }
    }
  }

  .message__actions {
    display: none !important;
    visibility: hidden !important;
  }
}

.searches__recents {
  --mask: linear-gradient(to left, oklch(0% 0 0 / 1) 97%, oklch(0% 0 0 / 0) 99%);

  -webkit-mask-image: var(--mask);
  display: none;
  mask-image: var(--mask);
  position: relative;

  @media (max-width: 100ch) {
    display: flex;
  }

  .room {
    max-inline-size: 20ch;

    &:first-child {
      margin-inline-start: var(--inline-space);
    }
  }

  .searches__btn {
    margin-inline-end: var(--inline-space-double);
  }
}

.searches__query {
  --btn-border-radius: 0.5em;

  min-block-size: var(--btn-size);
}

.searches__results {
  padding-block-start: var(--navbar-height);
}

.searches__input:required:invalid {
  ~ .searches__reset {
    display: none;
    visibility: hidden;
  }
}

/* ── Room item used in searches ── */
.room {
  background-color: var(--color-text-reversed);
  color: var(--color-text);
  font-weight: normal;
  justify-content: start;
  margin-inline-end: auto;
  max-inline-size: 100%;

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

  &.unread {
    --btn-border-color: var(--color-text);
    --hover-color: var(--color-text);

    font-weight: 600;

    &:not(:hover) {
      box-shadow: 0 0 0 1px var(--color-text);
    }
  }
}

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

  min-block-size: var(--btn-size);

  .room__contents {
    .account-has-logo & {
      --num-buttons: 2;
    }

    max-inline-size: calc(100dvw - (var(--btn-size) * var(--num-buttons)) - (var(--btn-size) + max(var(--inline-space), 1vw)) - ((var(--inline-space) + 1.8em) * 2) - var(--sidebar-width) - var(--inline-space) * var(--num-buttons));

    @media (max-width: 100ch) {
      --num-buttons: 2;

      .account-has-logo & {
        --num-buttons: 3;
      }
    }
  }
}