/* Свайп чатов (мобилка) + контекстное меню (десктоп) */

.chat-swipe {
  position: relative;
  overflow: hidden;
  contain: paint;
  border-bottom: 1px solid color-mix(in srgb, var(--md-sys-color-outline-variant) 50%, transparent);
  background: var(--md-sys-color-surface);
}

.chat-swipe:last-child {
  border-bottom: none;
}

.chat-swipe__actions {
  position: absolute;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: stretch;
  z-index: 0;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease;
}

.chat-swipe__actions--left {
  left: 0;
  width: 136px;
}

.chat-swipe__actions--right {
  right: 0;
  width: 88px;
}

.chat-swipe.is-swiping-left .chat-swipe__actions--left,
.chat-swipe.is-open-left .chat-swipe__actions--left,
.chat-swipe.is-swiping-right .chat-swipe__actions--right,
.chat-swipe.is-open-right .chat-swipe__actions--right {
  visibility: visible;
  opacity: 1;
}

.chat-swipe.is-open-left .chat-swipe__actions--left,
.chat-swipe.is-open-right .chat-swipe__actions--right {
  pointer-events: auto;
}

.chat-swipe__btn {
  display: grid;
  place-items: center;
  flex: 1;
  min-width: 0;
  border: none;
  font: inherit;
  cursor: pointer;
  color: #fff;
}

.chat-swipe__btn .material-symbols-rounded {
  font-size: 22px;
  font-variation-settings: 'FILL' 1, 'wght' 500;
}

.chat-swipe__btn--pin {
  background: var(--md-sys-color-primary);
}

.chat-swipe__btn--mute {
  background: #546e7a;
}

.chat-swipe__delete {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--md-sys-color-error);
  color: #fff;
  border: none;
  font: inherit;
  cursor: pointer;
  transition: background 0.15s ease;
}

.chat-swipe__delete .material-symbols-rounded {
  font-size: 24px;
  font-variation-settings: 'FILL' 1, 'wght' 500;
}

.chat-swipe__delete-hint {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.chat-swipe.is-delete-armed .chat-swipe__delete {
  background: #b3261e;
}

.chat-swipe.is-delete-armed .chat-swipe__delete-hint {
  opacity: 1;
}

.chat-swipe__track {
  position: relative;
  z-index: 2;
  width: 100%;
  min-height: 72px;
  background: var(--md-sys-color-surface);
  transition: transform 0.24s cubic-bezier(0.32, 0.72, 0, 1);
  touch-action: pan-y;
  will-change: transform;
  box-shadow: 0 0 0 1px var(--md-sys-color-surface);
}

.chat-swipe.is-open-right .chat-swipe__track {
  transform: translateX(-88px);
}

.chat-swipe.is-open-left .chat-swipe__track {
  transform: translateX(136px);
}

.chat-swipe.chat-swipe--removing {
  pointer-events: none;
  border-bottom-color: transparent;
}

.chat-swipe .list-item {
  border-bottom: none;
  background: transparent;
}

.list-item--pinned {
  background: color-mix(in srgb, var(--md-sys-color-primary-container) 18%, var(--md-sys-color-surface));
}

.chat-swipe.is-open-left .chat-swipe__track,
.chat-swipe.is-swiping-left .chat-swipe__track {
  background: color-mix(in srgb, var(--md-sys-color-primary-container) 18%, var(--md-sys-color-surface));
}

.chat-swipe.is-open-left .list-item--pinned,
.chat-swipe.is-swiping-left .list-item--pinned {
  background: transparent;
}

.list-item--muted .list-item__badge {
  opacity: 0.55;
}

.list-item__meta-icons {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

.list-item__meta-icons .material-symbols-rounded {
  font-size: 16px;
  color: var(--md-sys-color-on-surface-variant);
  font-variation-settings: 'FILL' 1, 'wght' 500;
}

.list-item__meta-icons .list-item__pin {
  color: var(--md-sys-color-primary);
}

.chat-delete-sheet__subtitle {
  margin: 0 0 4px;
  padding: 0 8px 10px;
  text-align: center;
  font-size: 0.9375rem;
  color: var(--md-sys-color-on-surface);
  font-weight: 500;
}

/* Контекстное меню чата */
.chat-context-menu {
  position: fixed;
  inset: 0;
  z-index: 450;
  pointer-events: none;
  visibility: hidden;
}

.chat-context-menu.is-open {
  pointer-events: auto;
  visibility: visible;
}

.chat-context-menu__backdrop {
  position: absolute;
  inset: 0;
  background: transparent;
}

.chat-context-menu__panel {
  position: fixed;
  min-width: 220px;
  max-width: min(280px, calc(100vw - 24px));
  padding: 6px;
  border-radius: 14px;
  background: var(--md-sys-color-surface-container-high);
  border: 1px solid color-mix(in srgb, var(--md-sys-color-outline-variant) 45%, transparent);
  box-shadow: var(--md-sys-elevation-3);
  opacity: 0;
  transform: scale(0.96);
  transform-origin: top left;
  transition: opacity 0.16s ease, transform 0.16s cubic-bezier(0.22, 1, 0.36, 1);
}

.chat-context-menu.is-open .chat-context-menu__panel {
  opacity: 1;
  transform: scale(1);
}

.chat-context-menu__preview {
  padding: 10px 12px 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface-variant);
  border-bottom: 1px solid color-mix(in srgb, var(--md-sys-color-outline-variant) 35%, transparent);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-context-menu__action {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--md-sys-color-on-surface);
  font: inherit;
  font-size: 0.9375rem;
  text-align: left;
  cursor: pointer;
}

.chat-context-menu__action:hover {
  background: color-mix(in srgb, var(--md-sys-color-on-surface) 6%, transparent);
}

.chat-context-menu__action:active {
  background: color-mix(in srgb, var(--md-sys-color-on-surface) 10%, transparent);
}

.chat-context-menu__action--danger {
  color: var(--md-sys-color-error);
}

.chat-context-menu__action .material-symbols-rounded {
  font-size: 20px;
  font-variation-settings: 'FILL' 0, 'wght' 400;
}

.chat-context-menu__action--danger .material-symbols-rounded {
  font-variation-settings: 'FILL' 1, 'wght' 500;
}

@media (min-width: 1024px) {
  .chat-swipe__track {
    touch-action: auto;
  }

  .chat-swipe__actions {
    display: none;
  }
}