/**
 * chat-detail.scss
 * 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;
}

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

/* ─────────────────────────────────────────────────────────────
   CHAT BOX
────────────────────────────────────────────────────────────── */
.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: var(--space-2);
  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 (Modern Messenger Style)
────────────────────────────────────────────────────────────── */
.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: var(--space-1) var(--space-2) calc(var(--space-1) + env(safe-area-inset-bottom)) var(--space-2);
  backdrop-filter: blur(8px);
  z-index: 1;
}

.composer-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.chat-composer .message-field {
  background: color-mix(in srgb, var(--bs-body-bg) 96%, transparent);
  border: 1px solid color-mix(in srgb, var(--bs-border-color), transparent 30%);
}

.chat-composer .message-input {
  max-height: 180px;
}

// Стили кнопок наследуются из custom-bootstrap.scss (glassmorphism)
.chat-composer .btn-send {
  box-shadow: 0 4px 16px rgba(var(--bs-primary-rgb), 0.35);
}

.chat-composer .message-emoji .dropdown-menu {
  background: var(--bs-body-bg);
}

/* Превью вложений */
.attachment-preview {
  padding: var(--space-1) 0;
  max-height: 200px;
  overflow-y: auto;
  max-width: 100%;
  width: 100%;
}

.attachment-item {
  background: var(--bs-secondary-bg);
  transition: background-color 0.15s ease;
  max-width: 100%; // Ограничиваем ширину контейнера
}

/* Обрезка текста в форме загрузки файлов */
.attachment-item .flex-grow-1 {
  min-width: 0; // Важно для flex-элементов с text-truncate внутри
  overflow: hidden; // Предотвращаем выход контента за границы
}

.attachment-item .text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

/* Вложения в сообщениях */
.bubble .attachment-item {
  background: transparent;
  padding: 0;
  margin-bottom: 8px;
}

.bubble .attachment-item a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  text-decoration: none;
  border: none;
  transition: all 0.2s ease;
  max-width: 100%;
  word-break: break-word;
}

// Attachment links in regular messages (other person)
.bubble-other .attachment-item a {
  background: rgba(0, 0, 0, 0.05);
  color: inherit;
}

.bubble-other .attachment-item a:hover {
  background: rgba(0, 0, 0, 0.08);
}

// Attachment links in own messages
.bubble-me .attachment-item a {
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.95);
}

.bubble-me .attachment-item a:hover {
  background: rgba(255, 255, 255, 0.25);
}

// Icons in attachments
.bubble .attachment-item a i {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.bubble-me .attachment-item a i {
  color: rgba(255, 255, 255, 0.9);
}

// Text truncation for file names
.bubble .attachment-item a span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0; // Important for flex items
}

.message-attachments video,
.message-attachments img,
.message-attachments audio {
  max-width: 100%;
  width: auto;
  border-radius: 8px;
}

.chat-media {
  display: inline-block;
  width: auto !important;
  max-width: min(640px, 85vw);
  max-height: 520px;
  height: auto !important;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.08);
  content-visibility: auto;
}

.message-attachments .attachment-item > a,
.message-attachments .attachment-item > video,
.message-attachments .attachment-item > img {
  display: inline-flex;
  max-width: 100%;
}

.chat-media--video {
  background: #000;
  object-fit: contain;
}

.chat-media--image {
  object-fit: cover;
}

.message-pending .chat-media {
  min-width: 90px;
  min-height: 64px;
}

.message-pending .bubble {
  position: relative;
  opacity: 0.8;
}

.message-pending .message-status {
  color: rgba(255, 255, 255, 0.8);
}

.bubble-other .message-status {
  color: rgba(0, 0, 0, 0.5);
}

.message-attachments .text-secondary {
  color: inherit;
  opacity: 0.7;
}

.bubble-me .message-attachments .text-secondary {
  color: rgba(255, 255, 255, 0.9) !important;
  opacity: 1;
}

.bubble-me .message-attachments .fw-semibold {
  color: rgba(255, 255, 255, 0.95) !important;
}

.bubble-me .message-attachments i {
  color: rgba(255, 255, 255, 0.9) !important;
}

.history-loader {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 0;
  color: var(--bs-secondary-color);
}

.history-loader .spinner-border {
  width: 1rem;
  height: 1rem;
}

/* Выпадающее меню вложений */
.dropdown-menu {
  min-width: 200px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  padding: 8px;
}

.dropdown-item {
  border-radius: 8px;
  padding: 10px 12px;
  transition: background-color 0.15s ease;
}

.dropdown-item:hover {
  background: var(--bs-secondary-bg);
}

.dropdown-item i {
  width: 24px;
}

.composer-tools {
  display: flex;
  gap: var(--space-1);
  align-items: center;
}

/* ─────────────────────────────────────────────────────────────
   SCROLL TO BOTTOM BUTTON
────────────────────────────────────────────────────────────── */
.scroll-to-bottom {
  position: absolute;
  right: var(--space-2);
  bottom: 4.25rem;
  z-index: 2;
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50% !important;
  padding: 0 !important;
  border: none !important;
  background: var(--bs-primary) !important;
  color: #fff !important;
  box-shadow: 0 4px 16px rgba(var(--bs-primary-rgb), 0.25) !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  
  i {
    font-size: 1.25rem;
  }
  
  &:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(var(--bs-primary-rgb), 0.35) !important;
  }
  
  &:active {
    transform: scale(0.95);
  }
}

.scroll-to-bottom.show {
  display: inline-flex;
  opacity: 1;
  pointer-events: auto;
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─────────────────────────────────────────────────────────────
   BUBBLES & AVATARS
────────────────────────────────────────────────────────────── */
.bubble {
  border-radius: 16px;
  padding: var(--space-1) var(--space-2);
  word-break: break-word;
  box-shadow: 0 1px 2px rgba(0, 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: var(--space-1);
  margin: var(--space-1) 0 var(--space-2);
  font-size: 0.85rem;
  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 var(--space-1);
  background: transparent;
}

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

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