/* Layout override: sidebar LEFT, thread panel RIGHT (Slack-style) */

body.sidebar {
  grid-template-areas:
    "sidebar nav"
    "sidebar main" !important;
  grid-template-columns: var(--sidebar-width) 1fr !important;
}

/* Thread panel open — three columns */
body.sidebar.thread-open {
  --thread-panel-width: 28vw;

  grid-template-areas:
    "sidebar nav thread"
    "sidebar main thread" !important;
  grid-template-columns: var(--sidebar-width) 1fr var(--thread-panel-width) !important;

  @media (max-width: 100ch) {
    --thread-panel-width: 100vw;
    grid-template-areas:
      "thread thread thread"
      "thread thread thread" !important;
    grid-template-columns: 1fr !important;
  }
}

/* Sidebar now on the left */
#sidebar {
  .sidebar & {
    border-inline-end: 1px solid var(--color-border-darker);
    border-inline-start: none;

    @media (max-width: 100ch) {
      inset: 0;
      position: fixed;
      transform: translate(-100%);
    }
  }

  &.open {
    @media (max-width: 100ch) {
      transform: translate(0);
    }
  }
}

/* Main content adjustments for left sidebar */
#main-content {
  .sidebar & {
    @media (min-width: 100ch) {
      border-inline-start: none;
      border-inline-end: none;
      margin-inline: 0;
    }
  }
}

/* Reserve room for fixed top nav on desktop */
@media (min-width: 100ch) {
  .messages {
    padding-block-start: calc(var(--navbar-height) + var(--block-space)) !important;
  }
}

/* Nav adjustments — no longer offset for right sidebar */
#nav {
  .sidebar & {
    inset-inline-end: 0;

    @media (min-width: 100ch) {
      inset-inline-start: var(--sidebar-width);
    }
  }

  &:has(.room--current) {
    @media (min-width: 100ch) {
      margin-inline-start: 0;

      .room--current {
        margin-inline-start: 0;
      }

      .account-logo {
        margin-inline-start: 0;
      }
    }
  }
}

/* App logo repositioned for left sidebar */
#app-logo {
  @media (min-width: 100ch) {
    inset: auto auto 0 0;
  }
}

/* Sidebar toggle on left side */
.sidebar__toggle {
  inset-inline-start: auto !important;
  inset-inline-end: calc((var(--btn-size) + max(var(--inline-space), 1vw)) * -1);

  .open & {
    @media (max-width: 100ch) {
      inset-inline-start: auto !important;
      inset-inline-end: var(--sidebar-inline-space);
    }
  }
}

/* ═══════════════════════════════════════════════
   Thread panel — container + header + parent
   ═══════════════════════════════════════════════ */

#thread-panel {
  grid-area: thread;
  display: none;
  flex-direction: column;
  background-color: var(--color-bg);
  border-inline-start: 1px solid var(--color-border-darker);
  block-size: 100dvh;
  max-block-size: 100dvh;
  overflow: hidden;
  position: relative;

  @media (max-width: 100ch) {
    position: fixed;
    inset: 0;
    z-index: 40;
    border-inline-start: none;
  }

  .thread-open & {
    display: flex;
  }
}

.thread-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-block-end: 1px solid var(--color-border-darker);
  flex-shrink: 0;
}

.thread-panel__title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
}

.thread-panel__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
}

.thread-panel__close:hover {
  background: color-mix(in srgb, var(--color-text) 8%, transparent);
}

/* Parent message in thread panel */
.thread-panel__parent {
  padding: 0.75rem 1rem;
  border-block-end: 1px solid var(--color-border-darker);
  flex-shrink: 0;
}

.thread-panel__parent-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-block-end: 0.375rem;
}

.thread-panel__parent-avatar {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 6px;
  flex-shrink: 0;
  overflow: hidden;
}

.thread-panel__parent-avatar img,
.thread-panel__parent-avatar svg,
.thread-panel__parent-avatar a {
  width: 28px !important;
  height: 28px !important;
}

.thread-panel__parent-name {
  font-weight: 700;
  font-size: 0.875rem;
}

.thread-panel__parent-time {
  font-size: 0.75rem;
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}

.thread-panel__parent-body {
  position: relative;
  font-size: 0.9rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.thread-panel__parent-body.is-clamped {
  max-height: 7.5rem;
  overflow: hidden;
}

.thread-panel__parent-body:not(.is-clamped) {
  max-height: min(50vh, 26rem);
  overflow-y: auto;
  padding-inline-end: 0.25rem;
}

.thread-panel__parent-body.is-clamped::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  height: 2.5rem;
  background: linear-gradient(to bottom, transparent, var(--color-bg));
  pointer-events: none;
}

.thread-panel__parent-body .trix-content {
  font-size: inherit;
}

.thread-panel__parent-expand {
  margin-top: 0.25rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-link, #1264a3);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
}

.thread-panel__parent-expand:hover {
  text-decoration: underline;
}

/* Reply count divider */
.thread-panel__reply-count {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
  flex-shrink: 0;
}

.thread-panel__reply-count::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border-darker);
}

/* ═══════════════════════════════════════════════
   Thread replies — use stock .message components
   with compact overrides for panel context
   ═══════════════════════════════════════════════ */

.thread-panel__replies {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0.5rem 0;
}

/* Compact message rendering inside thread panel */
#thread-panel .message {
  padding: 0.375rem 1rem;
  grid-template-columns: 28px 1fr;
  gap: 0.5rem;
  visibility: visible !important;
}

#thread-panel .message:hover {
  background: color-mix(in srgb, var(--color-text) 3%, transparent);
}

#thread-panel .message__avatar {
  width: 28px;
  height: 28px;
}

#thread-panel .message__avatar img {
  width: 28px;
  height: 28px;
}

/* Thread reply meta row: avatar + name + time inline */
.thread-panel__reply-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-block-end: 0.125rem;
  grid-column: 1 / -1;
}

.thread-panel__reply-meta .thread-panel__reply-avatar {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.thread-panel__reply-meta .thread-panel__reply-avatar img {
  width: 28px;
  height: 28px;
}

.thread-panel__reply-name {
  font-weight: 700;
  font-size: 0.875rem;
}

.thread-panel__reply-time {
  font-size: 0.7rem;
  color: color-mix(in srgb, var(--color-text) 45%, transparent);
}

/* Hide day separator and redundant heading in thread replies */
#thread-panel .message__day-separator {
  display: none;
}

#thread-panel .message__heading {
  display: none;
}

/* Body + boosts fit below the meta row */
#thread-panel .message__body {
  grid-column: 1 / -1;
}

#thread-panel .message__body-content {
  font-size: 0.9rem;
  position: relative;
}

/* Actions: float top-right of each reply, Slack-style toolbar on hover */
#thread-panel .message__meta {
  position: static !important;
}

#thread-panel .message__actions {
  position: absolute !important;
  inset-block-start: -0.5rem !important;
  inset-inline-end: 0.25rem !important;
  inset-inline-start: auto !important;
  transform: none !important;
  background: var(--color-bg);
  border: 1px solid var(--color-border-darker);
  border-radius: 4px;
  padding: 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  opacity: 0;
  pointer-events: none;
  transition: opacity 100ms ease;
}

#thread-panel .message__options-btn {
  block-size: 1.5rem !important;
  inline-size: 1.5rem !important;
  min-block-size: 1.5rem !important;
  min-inline-size: 1.5rem !important;
  padding: 0 !important;
}

#thread-panel .message__options-btn img {
  width: 14px;
  height: 14px;
}

#thread-panel .message:hover .message__actions {
  opacity: 1;
  pointer-events: auto;
}

/* Hide quick-reply button in thread panel (we're already in a thread) */
#thread-panel .message__quick-reply-btn {
  display: none;
}

#thread-panel .trix-content {
  font-size: inherit;
}

/* Hide thread indicator inside thread panel (no nesting) */
#thread-panel .thread-indicator {
  display: none;
}

/* ═══════════════════════════════════════════════
   Thread composer — Trix rich_text_area
   ═══════════════════════════════════════════════ */

.thread-panel__composer {
  padding: 0.625rem 1rem;
  border-block-start: 1px solid var(--color-border-darker);
  flex-shrink: 0;
}

.thread-panel__composer-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.thread-panel__composer-editor-wrap {
  display: flex;
  flex-direction: column;
  background: color-mix(in srgb, var(--color-text) 5%, transparent);
  border: 1px solid var(--color-border-darker);
  border-radius: 8px;
  overflow: hidden;
}

/* Trix editor inside thread panel */
.thread-panel__trix-editor {
  min-height: 40px;
  max-height: 160px;
  overflow-y: auto;
  padding: 0.5rem 0.625rem;
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--color-text);
  border: none !important;
}

.thread-panel__trix-editor:empty::before {
  color: color-mix(in srgb, var(--color-text) 40%, transparent);
}

/* Hide the stock Trix toolbar — we use our own send/attach buttons */
#thread-panel trix-toolbar {
  display: none;
}

.thread-panel__composer-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.375rem;
  padding: 0.25rem 0.375rem;
}

.thread-panel__attach-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  cursor: pointer;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
  transition: color 0.15s, background 0.15s;
}

.thread-panel__attach-btn:hover {
  color: var(--color-text);
  background: color-mix(in srgb, var(--color-text) 8%, transparent);
}

.thread-panel__composer-send {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: var(--color-text);
  border: none;
  border-radius: 6px;
  color: var(--color-bg);
  cursor: pointer;
  flex-shrink: 0;
}

.thread-panel__composer-send:hover {
  opacity: 0.85;
}

/* ═══════════════════════════════════════════════
   Message action polish: quick reply + text menu
   ═══════════════════════════════════════════════ */

.message__actions {
  align-items: center;
  display: flex;
  flex-wrap: nowrap;
  gap: 0.25rem;
  inline-size: max-content;
}

.message__quick-reply-btn,
.message__options-btn {
  block-size: 2rem;
  inline-size: 2rem;
  min-block-size: 2rem;
  min-inline-size: 2rem;
  padding: 0;
}

@media (hover: hover) and (pointer: fine) {
  .message__quick-reply-btn {
    opacity: 0;
    pointer-events: none;
    transition: opacity 150ms ease-in-out;
    transition-delay: 150ms;
  }

  .message:hover .message__quick-reply-btn,
  .message:has([open]) .message__quick-reply-btn {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (hover: none) and (pointer: coarse) {
  .message__quick-reply-btn {
    opacity: 0.5;
  }
}

.message__actions-links {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.message__actions-menu {
  min-inline-size: 10.5rem;
}

.quick-boosts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
}

.quick-boosts > form,
.quick-boosts > .message__boost-btn {
  max-inline-size: none;
  min-inline-size: 0;
}

.quick-boosts > form .message__action-btn,
.quick-boosts > .message__boost-btn {
  inline-size: 100%;
}

.message__action-text-btn {
  align-items: center;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  border: 0;
  border-radius: 0.375rem;
  box-shadow: none;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  font-size: 0.8125rem;
  gap: 0.5rem;
  inline-size: 100%;
  justify-content: flex-start;
  line-height: 1.25;
  min-block-size: 1.25rem;
  padding-inline: 0.625rem;
  text-decoration: none;
  white-space: nowrap;
}

.message__action-text-btn:hover {
  background: color-mix(in srgb, var(--color-text) 8%, transparent);
  border: 0;
  box-shadow: none;
}

.message__action-text-btn:focus-visible {
  outline: 2px solid var(--color-selected);
  outline-offset: 1px;
}