/* Chat media layer: upload queue, attachment menu, media tiles, and file/video attachment cards. */

.media-grid {
  display: grid;
  gap: 8px;
  max-width: 400px;
  margin: 10px 0;
}

.media-grid.media-grid--files {
  display: flex;
  flex-direction: column;
  max-width: 100%;
}

.media-grid[data-count="1"] {
  grid-template-columns: 1fr;
}

.media-grid[data-count="2"] {
  grid-template-columns: 1fr 1fr;
}

.media-grid[data-count="3"] {
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.media-grid[data-count="3"] .media-item:first-child {
  grid-row: 1 / 3;
}

.media-grid[data-count="4"] {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.media-grid[data-count="5"] {
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
}

.media-grid[data-count="5"] .media-item:first-child,
.media-grid[data-count="5"] .media-item:nth-child(2) {
  grid-column: span 1;
}

.media-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  background: var(--chat-media-tile-bg);
  border: 1px solid var(--chat-media-tile-border);
}

.media-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-item.media-item--file {
  aspect-ratio: auto;
  min-height: 72px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem;
}

.media-file-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--primary-color) 15%, transparent);
  color: var(--chat-attach-btn-hover-color);
  font-size: 1rem;
}

.media-file-meta {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  min-width: 0;
}

.media-file-name {
  color: var(--chat-media-tile-text);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.media-file-extra {
  color: var(--chat-media-tile-meta);
  font-size: 0.8rem;
}

.media-remove-btn {
  position: absolute;
  top: 5px;
  right: 5px;
  background: var(--chat-media-remove-bg);
  color: var(--chat-media-remove-fg);
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  z-index: 10;
  transition: all 0.2s;
}

.media-remove-btn:hover {
  background: var(--chat-media-remove-bg-hover);
  transform: scale(1.1);
}

.chat-media-input-hidden {
  display: none;
}

.media-picker-trigger {
  min-width: 220px;
}

.chat-upload-queue-shell {
  position: absolute;
  left: 0.45rem;
  right: 0.45rem;
  bottom: calc(100% + 0.35rem);
  z-index: 1082;
  border: 1px solid color-mix(in srgb, var(--chat-input-border) 76%, var(--primary-color) 24%);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-1) 90%, transparent);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--primary-color) 16%, rgba(0, 0, 0, 0.2));
  padding: 0.42rem 0.46rem;
}

.chat-upload-queue-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
}

.chat-upload-queue-summary {
  min-width: 0;
  color: var(--text-primary);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-upload-queue-toggle {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--chat-input-border) 72%, var(--primary-color) 28%);
  background: color-mix(in srgb, var(--surface-2) 86%, transparent);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.chat-upload-queue-toggle:hover {
  color: var(--primary-color);
  border-color: color-mix(in srgb, var(--primary-color) 64%, var(--chat-input-border) 36%);
}

.chat-upload-queue {
  display: none;
  flex-direction: column;
  gap: 0.38rem;
  margin-top: 0.34rem;
  max-height: min(34vh, 300px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.chat-upload-queue-shell.is-collapsed .chat-upload-queue {
  display: none !important;
}

.chat-upload-queue-shell.is-collapsed {
  left: 0.45rem;
  right: auto;
  width: auto;
  max-width: min(72vw, 260px);
}

.chat-upload-job {
  border: 1px solid color-mix(in srgb, var(--chat-input-border) 80%, var(--primary-color) 20%);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-2) 88%, transparent);
  padding: 0.42rem 0.55rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.chat-upload-job__meta {
  min-width: 0;
  flex: 1;
}

.chat-upload-job__name {
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-upload-job__status {
  color: var(--text-secondary);
  font-size: 0.72rem;
  margin-top: 0.08rem;
}

.chat-upload-job__bar {
  width: min(180px, 34vw);
  height: 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--border-subtle) 82%, transparent);
  overflow: hidden;
  flex-shrink: 0;
}

.chat-upload-job__bar-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--primary-color) 78%, #4ade80 22%) 0%,
    color-mix(in srgb, var(--success-color, #22c55e) 84%, var(--primary-color) 16%) 100%
  );
  transition: width 0.2s ease;
}

.chat-upload-job--error {
  border-color: color-mix(in srgb, var(--danger-color, #ef4444) 56%, var(--chat-input-border) 44%);
}

.chat-upload-job--error .chat-upload-job__bar-fill {
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--danger-color, #ef4444) 78%, transparent) 0%,
    color-mix(in srgb, var(--danger-color, #ef4444) 92%, var(--surface-2) 8%) 100%
  );
}

.chat-upload-job--success {
  border-color: color-mix(in srgb, var(--success-color, #22c55e) 54%, var(--chat-input-border) 46%);
}

.chat-upload-retry-btn {
  border: 1px solid color-mix(in srgb, var(--danger-color, #ef4444) 52%, var(--chat-input-border) 48%);
  background: color-mix(in srgb, var(--danger-color, #ef4444) 14%, transparent);
  color: color-mix(in srgb, var(--danger-color, #ef4444) 86%, var(--text-primary) 14%);
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.24rem 0.54rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.chat-upload-retry-btn:hover {
  background: color-mix(in srgb, var(--danger-color, #ef4444) 22%, transparent);
  border-color: color-mix(in srgb, var(--danger-color, #ef4444) 66%, var(--chat-input-border) 34%);
}

.chat-attachment-menu {
  position: absolute;
  left: 0;
  bottom: calc(100% + 12px);
  width: min(280px, calc(100vw - 20px));
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  padding: 0.38rem;
  border-radius: 18px;
  border: 1px solid var(--chat-attachment-menu-border);
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, #ffffff 10%, transparent) 0%,
      transparent 100%
    ),
    var(--chat-attachment-menu-bg);
  backdrop-filter: blur(22px) saturate(175%);
  -webkit-backdrop-filter: blur(22px) saturate(175%);
  box-shadow:
    var(--chat-attachment-menu-shadow),
    inset 0 1px 0 color-mix(in srgb, #ffffff 24%, transparent);
  z-index: 1086;
  isolation: isolate;
}

.chat-attachment-menu[hidden] {
  display: none;
}

.chat-attachment-menu__item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.66rem 0.72rem;
  border: 1px solid color-mix(in srgb, var(--chat-picker-border) 66%, transparent);
  border-radius: 14px;
  background: var(--chat-attachment-item-bg);
  color: var(--chat-input-text);
  text-align: left;
  box-shadow: inset 0 1px 0 color-mix(in srgb, #ffffff 10%, transparent);
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.16s ease, box-shadow 0.18s ease;
}

.chat-attachment-menu__item:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--primary-color) 54%, var(--chat-picker-border) 46%);
  background: var(--chat-attachment-item-hover-bg);
  box-shadow:
    0 10px 20px color-mix(in srgb, var(--primary-color) 14%, transparent),
    inset 0 1px 0 color-mix(in srgb, #ffffff 14%, transparent);
}

.chat-attachment-menu__icon {
  width: 38px;
  height: 38px;
  min-width: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--primary-color) 12%, var(--surface-2) 88%);
  color: var(--primary-color);
}

.chat-attachment-menu__copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}

.chat-attachment-menu__title {
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
}

.chat-attachment-menu__subtitle {
  font-size: 0.77rem;
  line-height: 1.2;
  color: color-mix(in srgb, var(--text-secondary) 78%, var(--text-primary) 22%);
}

.message-media-grid {
  display: grid;
  gap: 4px;
  max-width: 350px;
  margin: 8px 0;
  border-radius: 12px;
  overflow: hidden;
}

.message-media-grid[data-count="1"] {
  grid-template-columns: 1fr;
}

/* #CHAT-119: одиночное изображение подгоняется под свои пропорции,
   без пустых полей сверху/снизу и без обрезки контента.
   Узкое изображение центрируется в пузыре, а не прижимается влево. */
.message-media-grid[data-count="1"] {
  display: block;
  width: fit-content;
  max-width: min(100%, 360px);
  margin-inline: auto;
}

.message-media-grid[data-count="1"] .message-media-item {
  aspect-ratio: auto;
  width: auto;
  height: auto;
}

.message-media-grid[data-count="1"] .message-media-item img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 380px;
  object-fit: contain;
  display: block;
}

.message-media-grid[data-count="2"] {
  grid-template-columns: 1fr 1fr;
}

.message-media-grid[data-count="3"] {
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.message-media-grid[data-count="3"] .message-media-item:first-child {
  grid-row: 1 / 3;
}

.message-media-grid[data-count="4"] {
  grid-template-columns: 1fr 1fr;
}

.message-media-grid[data-count="5"] {
  grid-template-columns: 1fr 1fr 1fr;
}

.message-media-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
}

.message-media-item--inline {
  width: 68px;
  min-width: 68px;
  height: 68px;
  border-radius: 10px;
  border: 1px solid var(--chat-media-tile-border);
}

.message-media-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: none;
}

.message-media-item:hover img {
  transform: none;
  filter: none;
}

.message-attachments-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0.42rem 0 0.2rem;
  width: min(100%, 480px);
  min-width: min(340px, 100%);
}

.message-attachment-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.42rem;
  padding: 0.62rem;
  border-radius: 12px;
  border: 1px solid var(--chat-media-tile-border);
  background: var(--chat-media-tile-bg);
  color: var(--chat-media-tile-text);
  min-width: min(340px, 100%);
  max-width: 100%;
}

.message-attachment-card--image .message-media-item--inline {
  width: 100%;
  min-width: 0;
  height: clamp(140px, 24vw, 220px);
  border-radius: 10px;
}

.message-attachment-card--video {
  padding-top: 0.56rem;
  padding-bottom: 0.54rem;
}

.message-attachment-open {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  min-width: 0;
  text-decoration: none;
  color: var(--chat-media-tile-text);
}

.message-attachment-open:hover {
  color: var(--chat-media-tile-text);
}

.message-attachment-card--file:hover {
  border-color: color-mix(in srgb, var(--primary-color) 35%, var(--chat-media-tile-border));
}

.message-attachment-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--primary-color) 16%, transparent);
  color: var(--primary-color);
  font-size: 0.95rem;
}

.message-attachment-info {
  min-width: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.14rem;
}

.message-attachment-info--media {
  gap: 0.24rem;
}

.message-attachment-title {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-attachment-title--generic {
  width: auto;
  max-width: none;
  white-space: nowrap;
}

.message-attachment-meta-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  min-width: 0;
}

.message-attachment-meta-line .message-attachment-meta-row {
  margin-left: auto;
  flex-wrap: nowrap;
}

.message-attachment-meta {
  font-size: 0.8rem;
  color: var(--chat-media-tile-meta);
  white-space: nowrap;
}

.message-attachment-info > .message-attachment-meta {
  margin-top: 0.08rem;
  display: inline-block;
}

.message-attachment-meta-row {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: nowrap;
  max-width: 100%;
}

.message-attachment-duration[data-duration-resolved="1"] {
  color: var(--text-primary);
}

.message-attachment-download {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  align-self: flex-start;
  border: 1px solid color-mix(in srgb, var(--primary-color) 35%, var(--chat-media-tile-border));
  border-radius: 999px;
  padding: 0.28rem 0.62rem;
  font-size: 0.79rem;
  font-weight: 600;
  color: var(--primary-color);
  text-decoration: none;
  background: color-mix(in srgb, var(--primary-color) 10%, transparent);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.message-attachment-download:hover {
  background: color-mix(in srgb, var(--primary-color) 18%, transparent);
  border-color: color-mix(in srgb, var(--primary-color) 60%, var(--chat-media-tile-border));
  color: var(--primary-color);
}

.message-attachment-download--inline {
  margin-top: 0;
}

.message-content.message-content--has-video,
.message-content.message-content--has-file {
  min-width: min(340px, 100%);
}

.message-content.message-content--has-video {
  width: min(82%, 520px);
  max-width: min(82%, 520px);
}

.message-content.message-content--has-file {
  width: min(82%, 520px);
  max-width: min(82%, 520px);
}

.message-content.message-content--has-video .message-attachments-list,
.message-content.message-content--has-file .message-attachments-list {
  width: 100%;
  min-width: 0;
}

.message-video-player {
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  min-height: clamp(166px, 22vw, 228px);
  max-height: none;
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-1) 80%, transparent);
  object-fit: contain;
}

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  animation: lightboxFadeIn 0.2s ease-out;
  padding: 16px;
  box-sizing: border-box;
  overflow: hidden;
}

@keyframes lightboxFadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.lightbox-content {
  position: relative;
  max-width: 92vw;
  max-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
}

#lightbox-image {
  max-width: 92vw;
  max-height: calc(100vh - 140px);
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.8);
  cursor: default;
}

#lightbox-image:hover {
  transform: none;
  filter: none;
}

.lightbox-close {
  position: fixed;
  top: 80px;
  right: 20px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 10000;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

/* #CHAT-115: кнопка скачивания изображения в lightbox */
.lightbox-download {
  position: fixed;
  top: 80px;
  right: 80px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.2s;
  z-index: 10000;
}

.lightbox-download:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
  color: white;
}

.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 10000;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-50%) scale(1.1);
}

.lightbox-nav:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.lightbox-nav:disabled:hover {
  transform: translateY(-50%) scale(1);
}

.lightbox-counter {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 16px;
  font-weight: 600;
  z-index: 10000;
}

.message-link-preview-slot {
  margin-top: 0.4rem;
}

.message-link-preview {
  display: flex;
  align-items: stretch;
  gap: 0.7rem;
  margin-top: 0.4rem;
  min-height: 76px;
  border-radius: 12px;
  border: 1px solid var(--chat-link-preview-border);
  background: var(--chat-link-preview-bg);
  color: var(--text-primary);
  text-decoration: none;
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.message-link-preview:hover {
  background: var(--chat-link-preview-hover);
  border-color: color-mix(in srgb, var(--primary-color) 42%, var(--chat-link-preview-border));
  color: var(--text-primary);
}

.message-link-preview__media {
  width: 104px;
  min-width: 104px;
  min-height: 76px;
  overflow: hidden;
  align-self: stretch;
  display: flex;
}

.message-link-preview__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.message-link-preview__body {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.1rem;
  padding: 0.46rem 0.58rem 0.46rem 0;
}

.message-link-preview__site {
  font-size: 0.7rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--text-secondary) 86%, var(--primary-color) 14%);
}

.message-link-preview__title {
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.message-link-preview__description {
  font-size: 0.76rem;
  color: var(--text-secondary);
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.message-link-preview__domain {
  font-size: 0.73rem;
  color: var(--text-secondary);
  margin-top: 0.05rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-link-preview + .message-footer {
  margin-top: 0.34rem;
  padding-right: 0.08rem;
}

.message-link-preview + .message-footer .message-footer-meta {
  padding-right: 0.04rem;
  padding-bottom: 0.02rem;
}

@media (min-width: 1025px) {
  .message-attachments-list {
    width: min(100%, 500px);
    min-width: min(360px, 100%);
  }

  .message-attachment-card {
    min-width: min(360px, 100%);
  }

  .message-content.message-content--has-video {
    width: min(82%, 520px);
    max-width: min(82%, 520px);
  }

  .message-content.message-content--has-video .message-attachments-list {
    width: 100%;
    min-width: 0;
  }

  .message-content.message-content--has-file {
    width: min(80%, 520px);
    max-width: min(80%, 520px);
  }

  .message-content.message-content--has-file .message-attachments-list {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 768px) {
  #lightbox-image {
    max-width: 96vw;
    max-height: calc(100vh - 160px);
    border-radius: 4px;
  }

  .lightbox-close {
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
  }

  .lightbox-download {
    top: 12px;
    right: 62px;
    width: 40px;
    height: 40px;
  }

  .chat-upload-job {
    align-items: flex-start;
  }

  .chat-upload-job__bar {
    width: min(144px, 42vw);
    margin-top: 0.16rem;
  }

  .chat-upload-queue-shell {
    left: 0.3rem;
    right: 0.3rem;
    bottom: calc(100% + 0.24rem);
    padding: 0.34rem 0.36rem;
  }

  .chat-upload-queue-shell.is-collapsed {
    left: 0.3rem;
    right: auto;
    max-width: min(82vw, 280px);
  }

  .chat-upload-queue-summary {
    font-size: 0.74rem;
  }

  .message-attachments-list {
    width: 100%;
    min-width: 0;
  }

  .message-attachment-card {
    min-width: 0;
    padding: 0.56rem;
  }

  .message-attachment-card--image .message-media-item--inline {
    height: min(52vw, 190px);
  }

  .message-content.message-content--has-video,
  .message-content.message-content--has-file {
    width: 96%;
    max-width: 96%;
    min-width: 0;
  }

  .message-content.message-content--has-video .message-attachments-list,
  .message-content.message-content--has-file .message-attachments-list {
    width: 100%;
    min-width: 0;
  }

  .message-attachment-meta-line {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 0.28rem 0.45rem;
  }

  .message-attachment-meta-line .message-attachment-meta-row {
    margin-left: 0;
    flex-wrap: wrap;
  }

  .message-video-player {
    min-height: clamp(144px, 46vw, 210px);
  }

  .message-attachment-download {
    font-size: 0.76rem;
  }

  .message-link-preview {
    gap: 0.5rem;
    min-height: 68px;
  }

  .message-link-preview__media {
    width: 84px;
    min-width: 84px;
    min-height: 68px;
  }

  .message-link-preview__body {
    padding: 0.4rem 0.5rem 0.4rem 0;
  }
}

@media (max-width: 430px) {
  .chat-attachment-menu {
    width: min(260px, calc(100vw - 16px));
  }
}

/* ===========================================================================
   #CHAT-113: Telegram-style оптимистичная отправка медиа.
   Круговой прогресс поверх миниатюры «отправляющегося» пузыря + состояние ошибки
   с inline-кнопками «Повторить»/«Удалить». Значение прогресса приходит из JS как
   CSS-переменная --optimistic-progress (0..100) на .chat-optimistic-overlay.
   =========================================================================== */
.chat-message--optimistic .chat-optimistic-media {
  position: relative;
}

.chat-message--optimistic[data-optimistic-state="uploading"] .chat-optimistic-media img,
.chat-message--optimistic[data-optimistic-state="uploading"] .chat-optimistic-media video {
  filter: brightness(0.9);
}

.chat-optimistic-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
  background: rgba(0, 0, 0, 0.28);
  pointer-events: none; /* кольцо прогресса не перехватывает клики */
  z-index: 3;
}

.chat-optimistic-ring {
  position: relative;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: conic-gradient(
    var(--bs-primary, #4f8cff) calc(var(--optimistic-progress, 0) * 1%),
    rgba(255, 255, 255, 0.28) 0
  );
  transition: background 0.2s ease;
}

.chat-optimistic-ring::before {
  content: "";
  position: absolute;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.62);
}

/* #CHAT-171: фаза «обработка/отправка» — неопределённый крутящийся спиннер вместо
   застывшего процента (байты ушли, ждём сервер и доставку сообщения в чат). */
.chat-optimistic-ring--indeterminate {
  background: rgba(255, 255, 255, 0.28);
}

.chat-optimistic-ring--indeterminate::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: var(--bs-primary, #4f8cff);
  animation: chatOptimisticSpin 0.8s linear infinite;
}

@keyframes chatOptimisticSpin {
  to {
    transform: rotate(360deg);
  }
}

.chat-optimistic-ring__label {
  position: relative;
  z-index: 1;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}

.chat-optimistic-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  color: #fff;
  pointer-events: auto; /* кнопки кликабельны */
  text-align: center;
}

.chat-optimistic-error > i {
  font-size: 22px;
  color: var(--bs-danger, #ff5d5d);
}

.chat-optimistic-error__actions {
  display: flex;
  gap: 12px;
}

/* #CHAT-171: круглые иконочные кнопки (повтор/корзина) с тач-таргетом для мобилы. */
.chat-optimistic-btn {
  border: none;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  cursor: pointer;
  line-height: 1;
}

.chat-optimistic-btn--retry {
  background: var(--bs-primary, #4f8cff);
  color: #fff;
}

.chat-optimistic-btn--cancel {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.chat-optimistic-btn:hover {
  filter: brightness(1.08);
}