/* ─── Discussions tab — thread list + chat view (issue-595 v2 redesign) ─── */

/* Left column header: client-side search + new-thread button */
.lc-discussions__head {
  display: flex;
  gap: var(--sp-2);
  align-items: center;
  padding: var(--sp-4);
  border-bottom: 1px solid var(--color-rule);
}

.lc-discussions__head .lc-discussions__search {
  flex: 1;
  min-width: 0;
  height: var(--control-h-sm); /* match the + Nouveau button (32px) */
  box-sizing: border-box;
  margin-bottom: 0;
  padding: 0 var(--sp-3);
  border: 1px solid var(--color-rule);
  border-radius: var(--r-2);
  background: var(--color-paper);
  font-size: var(--fs-13);
}

.lc-discussions__back {
  margin-top: var(--sp-5);
}

/* Thread list — rows separated by dividers (not cards) inside the panel */
.discussion-list {
  display: flex;
  flex-direction: column;
}

.discussion-list__empty {
  color: var(--color-ink-muted);
  margin: 0;
  padding: var(--sp-4);
}

.thread {
  display: block;
  padding: var(--sp-4);
  border-bottom: 1px solid var(--color-rule);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.thread:hover {
  background: var(--color-bg);
}

.thread[aria-current="true"] {
  background: color-mix(in srgb, var(--color-primary) 6%, var(--color-paper));
  border-left: 3px solid var(--color-primary);
  padding-left: calc(var(--sp-4) - 3px);
}

.thread__head {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-1);
}

.thread--unread .thread__from::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: var(--sp-2);
  border-radius: 50%;
  background: var(--color-primary);
  vertical-align: middle;
}

.thread__from {
  font-size: var(--fs-13);
  font-weight: var(--fw-medium);
  color: var(--color-ink);
}

.thread__when {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--color-ink-muted);
}

.thread__subject {
  font-family: var(--font-serif);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-15);
  color: var(--color-ink);
  margin-bottom: var(--sp-1);
}

.thread__preview {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
  font-size: var(--fs-13);
  color: var(--color-ink-muted);
}

/* Thread view fills the right zone of the .lc-discussions panel so the
   composer anchors to the bottom. */
.thread-view {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.thread-view__head {
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--color-rule);
}

.thread-view__title {
  font-family: var(--font-serif);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-24);
  color: var(--color-ink);
  margin: 0;
}

.thread-view__participants {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

.thread-view__names {
  font-size: var(--fs-13);
  color: var(--color-ink-muted);
}

/* Message bubbles — grow to push the composer to the panel bottom */
.message-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-5);
  flex: 1;
}

.lc-msg {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-3);
  align-items: start;
}

.lc-msg__bubble {
  min-width: 0;
  padding: var(--sp-3) var(--sp-4);
  background: var(--color-bg);
  border-radius: var(--r-2);
}

/* Own messages: a subtly darker olive fill — no green, no distinct rectangle */
.lc-msg--own .lc-msg__bubble {
  background: var(--color-surface);
}

.lc-msg__head {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  margin-bottom: var(--sp-1);
}

.lc-msg__author {
  font-weight: var(--fw-medium);
  font-size: var(--fs-13);
  color: var(--color-ink);
}

.lc-msg__author--deleted {
  font-weight: var(--fw-regular);
  font-style: italic;
  color: var(--color-ink-muted);
}

.lc-msg__time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--color-ink-muted);
}

.lc-msg__edited {
  font-size: var(--fs-12);
  font-style: italic;
  color: var(--color-ink-muted);
}

.lc-msg__body {
  font-size: var(--fs-14);
  color: var(--color-ink);
}

.lc-msg__body p {
  margin: 0;
}

.lc-msg__body p + p {
  margin-top: var(--sp-2);
}

/* Inline reply composer — footer zone inside the white panel */
.thread-view__composer {
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--color-rule);
  background: var(--color-bg);
}

.lc-composer {
  display: flex;
  gap: var(--sp-2);
  align-items: flex-end;
}

.lc-composer__input {
  flex: 1;
  min-width: 0;
  margin-bottom: 0;
  min-height: 2.75rem;
  resize: vertical;
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--color-rule);
  border-radius: var(--r-2);
  background: var(--color-paper);
  font: inherit;
  font-size: var(--fs-14);
}

.lc-composer__actions {
  display: flex;
  gap: var(--sp-2);
  flex-shrink: 0;
}