Corp/backend/static/css/components/chat-detail.css

/**
 * chat-detail.css
 * Стили страницы детального чата: layout, scroll, bubbles, composer
 */

/* ─────────────────────────────────────────────────────────────
   PAGE LAYOUT
────────────────────────────────────────────────────────────── */
/* прибиваем низ страницы и добавляем воздух снизу */
main.main {
  padding-bottom: 0 !important;
}

/* ===== Контейнер страницы чата ===== */
@supports(height: 100svh) {
  .chat-root {
    height: calc(100svh - var(--navbar-h));
  }
}

.chat-root > .row {
  height: 100%;
  min-height: 0;
}

.chat-col {
  display: flex;
  flex-direction: column;
  height: 93%;
  min-height: 0;
}

.feed-header {
  flex: 0 0 auto;
}

/* ─────────────────────────────────────────────────────────────
   CHAT BOX
────────────────────────────────────────────────────────────── */
.feed-card.chat-box {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-rows: 1fr auto; /* лента + композер */
  overflow: hidden;
  margin-bottom: 0;
  background: var(--bs-body-bg);
}

/* ─────────────────────────────────────────────────────────────
   CHAT SCROLL (с кастомным скроллбаром)
────────────────────────────────────────────────────────────── */
.chat-scroll {
  overflow-y: auto;
  padding: .75rem;
  min-height: 0;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-gutter: stable both-edges;
  overscroll-behavior: contain;
  scrollbar-color: color-mix(in srgb, var(--bs-body-color), transparent 70%) transparent;
}

.chat-scroll:hover {
  scrollbar-color: color-mix(in srgb, var(--bs-body-color), transparent 55%) transparent;
}

.chat-scroll::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.chat-scroll::-webkit-scrollbar-track {
  background: transparent;
  margin-block: 0;
}

.chat-scroll::-webkit-scrollbar-thumb {
  background-color: color-mix(in srgb, var(--bs-body-color), transparent 75%);
  border-radius: 999px;
  border: 3px solid transparent;
  background-clip: padding-box;
}

.chat-scroll:hover::-webkit-scrollbar-thumb {
  background-color: color-mix(in srgb, var(--bs-body-color), transparent 55%);
}

[data-bs-theme="dark"] .chat-scroll {
  scrollbar-color: color-mix(in srgb, var(--bs-body-color), transparent 78%) transparent;
}

[data-bs-theme="dark"] .chat-scroll:hover {
  scrollbar-color: color-mix(in srgb, var(--bs-body-color), transparent 60%) transparent;
}

[data-bs-theme="dark"] .chat-scroll::-webkit-scrollbar-thumb {
  background-color: color-mix(in srgb, var(--bs-body-color), transparent 78%);
}

[data-bs-theme="dark"] .chat-scroll:hover::-webkit-scrollbar-thumb {
  background-color: color-mix(in srgb, var(--bs-body-color), transparent 60%);
}

@media (hover: none), (pointer: coarse) {
  .chat-scroll {
    scrollbar-width: none;
  }

  .chat-scroll::-webkit-scrollbar {
    display: none;
  }
}

/* ─────────────────────────────────────────────────────────────
   COMPOSER
────────────────────────────────────────────────────────────── */
.chat-composer {
  position: sticky;
  bottom: 0;
  border-top: none;
  box-shadow: inset 0 1px 0 var(--bs-border-color);
  border-bottom-left-radius: inherit;
  border-bottom-right-radius: inherit;
  background-clip: padding-box;
  background: color-mix(in srgb, var(--bs-body-bg) 94%, transparent);
  padding: .5rem .75rem calc(.5rem + env(safe-area-inset-bottom)) .75rem;
  backdrop-filter: blur(8px);
  z-index: 1;
}

.composer-wrap {
  display: flex;
  align-items: end;
  gap: .5rem;
  flex-wrap: nowrap;
}

.composer-tools {
  display: flex;
  gap: .25rem;
  align-items: center;
}

/* ─────────────────────────────────────────────────────────────
   SCROLL TO BOTTOM BUTTON
────────────────────────────────────────────────────────────── */
.scroll-to-bottom {
  position: absolute;
  right: .75rem;
  bottom: 4.25rem;
  z-index: 2;
  display: none;
}

.scroll-to-bottom.show {
  display: block;
}

/* ─────────────────────────────────────────────────────────────
   BUBBLES & AVATARS
────────────────────────────────────────────────────────────── */
.bubble {
  border-radius: 16px;
  padding: .5rem .75rem;
  word-break: break-word;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .06);
}

.bubble-me {
  background: color-mix(in srgb, var(--bs-primary) 92%, #fff 0%);
  color: #fff;
}

.bubble-other {
  background: var(--bs-secondary-bg);
  color: var(--bs-body-color);
}

.mini-ava {
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.mini-ava img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ─────────────────────────────────────────────────────────────
   DIVIDERS (день / непрочитанные)
────────────────────────────────────────────────────────────── */
.day-divider,
.unread-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  margin: .5rem 0 1rem;
  font-size: .85rem;
  line-height: 1;
  font-weight: 700;
  pointer-events: none;
  user-select: none;
}

.day-divider::before,
.day-divider::after,
.unread-divider::before,
.unread-divider::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: color-mix(in srgb, var(--bs-border-color), transparent 30%);
}

.day-divider > span,
.unread-divider > span {
  flex: 0 0 auto;
  padding: 0 .5rem;
  background: transparent;
}

.day-divider {
  color: var(--bs-secondary-color);
}

.unread-divider {
  color: var(--bs-danger);
}