/* Переиспользуемые элементы интерфейса. */

/* ==================================================================
   Кнопки
   ================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  padding: 0 18px;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1px;
  color: var(--text);
  background: var(--surface-3);
  transition: background var(--fast) var(--ease), transform var(--fast) var(--ease),
    box-shadow var(--fast) var(--ease), opacity var(--fast) var(--ease);
  white-space: nowrap;
  user-select: none;
}

.btn:hover:not(:disabled) {
  background: var(--surface-4);
}

.btn:active:not(:disabled) {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--accent);
  color: var(--text-on-accent);
  box-shadow: var(--shadow-accent);
}

.btn--primary:hover:not(:disabled) {
  background: var(--accent-soft);
}

.btn--gradient {
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.btn--ghost {
  background: transparent;
  color: var(--text-dim);
}

.btn--ghost:hover:not(:disabled) {
  background: var(--surface-2);
  color: var(--text);
}

.btn--danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.btn--danger:hover:not(:disabled) {
  background: var(--danger);
  color: #fff;
}

.btn--block {
  width: 100%;
}

.btn--lg {
  height: 50px;
  font-size: 15px;
  border-radius: var(--r-lg);
}

.btn--sm {
  height: 34px;
  padding: 0 12px;
  font-size: 13px;
  border-radius: var(--r-sm);
}

/* Кнопка-иконка. Размер 40px — минимально комфортная цель для пальца;
   на мобильных поднимается до 44px правилами в layout.css. */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: var(--r-md);
  color: var(--text-dim);
  transition: background var(--fast) var(--ease), color var(--fast) var(--ease),
    transform var(--fast) var(--ease);
}

.icon-btn:hover:not(:disabled) {
  background: var(--surface-3);
  color: var(--text);
}

.icon-btn:active:not(:disabled) {
  transform: scale(0.92);
}

.icon-btn--accent {
  background: var(--accent);
  color: #fff;
}

.icon-btn--accent:hover:not(:disabled) {
  background: var(--accent-soft);
  color: #fff;
}

.icon-btn--danger:hover:not(:disabled) {
  background: var(--danger);
  color: #fff;
}

.icon-btn--round {
  border-radius: var(--r-full);
}

.icon {
  width: 20px;
  height: 20px;
  flex: none;
  stroke-width: 1.9;
}

.icon--sm { width: 16px; height: 16px; }
.icon--lg { width: 24px; height: 24px; }

/* ==================================================================
   Поля ввода
   ================================================================== */
.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field__label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
}

.field__hint {
  font-size: 12px;
  color: var(--text-faint);
  line-height: 1.4;
}

.field__error {
  font-size: 12px;
  color: var(--danger);
}

.input {
  height: 46px;
  padding: 0 14px;
  border-radius: var(--r-md);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 15px;
  width: 100%;
  transition: border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}

.input::placeholder {
  color: var(--text-faint);
}

.input:hover {
  border-color: var(--border-strong);
}

.input:focus {
  border-color: var(--accent);
  background: var(--surface);
}

.input--invalid,
.input--invalid:focus {
  border-color: var(--danger);
}

textarea.input {
  height: auto;
  min-height: 84px;
  padding: 12px 14px;
  resize: vertical;
  line-height: 1.5;
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-group .icon {
  position: absolute;
  left: 13px;
  color: var(--text-faint);
  pointer-events: none;
}

.input-group .input {
  padding-left: 42px;
}

.input-group__action {
  position: absolute;
  right: 6px;
}

/* Поиск в списке чатов */
.search {
  position: relative;
  display: flex;
  align-items: center;
}

.search .icon {
  position: absolute;
  left: 12px;
  color: var(--text-faint);
  pointer-events: none;
  width: 17px;
  height: 17px;
}

.search input {
  width: 100%;
  height: 40px;
  padding: 0 36px 0 38px;
  border-radius: var(--r-md);
  background: var(--surface-2);
  border: 1px solid transparent;
  font-size: 14px;
  transition: background var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.search input::placeholder {
  color: var(--text-faint);
}

.search input:focus {
  background: var(--surface);
  border-color: var(--border);
}

.search__clear {
  position: absolute;
  right: 4px;
  width: 32px;
  height: 32px;
}

/* ==================================================================
   Переключатель
   ================================================================== */
.switch {
  position: relative;
  width: 44px;
  height: 26px;
  flex: none;
  border-radius: var(--r-full);
  background: var(--surface-4);
  transition: background var(--normal) var(--ease);
}

.switch::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform var(--normal) var(--ease);
}

.switch[aria-checked="true"] {
  background: var(--accent);
}

.switch[aria-checked="true"]::after {
  transform: translateX(18px);
}

/* ==================================================================
   Сегментированный переключатель (Голосовое / Видео-кружок)
   ================================================================== */
.segmented {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border-radius: var(--r-full);
  background: var(--surface-3);
}

.segmented__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 14px;
  border-radius: var(--r-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  transition: background var(--fast) var(--ease), color var(--fast) var(--ease);
}

.segmented__item[aria-selected="true"] {
  background: var(--accent);
  color: #fff;
}

/* ==================================================================
   Аватары
   ================================================================== */
.avatar {
  position: relative;
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--surface-3);
  display: grid;
  place-items: center;
  user-select: none;
}

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

/* Запасной вариант — инициалы на цветной подложке. Цвет считается из id,
   поэтому у человека он всегда один и тот же и служит опознавательным знаком. */
.avatar__initials {
  font-size: 0.42em;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: #fff;
  text-transform: uppercase;
}

.avatar--xs { width: 28px; height: 28px; font-size: 28px; }
.avatar--sm { width: 36px; height: 36px; font-size: 36px; }
.avatar        { font-size: 46px; }
.avatar--md { width: 52px; height: 52px; font-size: 52px; }
.avatar--lg { width: 84px; height: 84px; font-size: 84px; }
.avatar--xl { width: 120px; height: 120px; font-size: 120px; }

.avatar-wrap {
  position: relative;
  flex: none;
}

/* Точка присутствия. Обводка цветом фона отделяет её от аватара. */
.presence-dot {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--online);
  border: 2.5px solid var(--surface);
  transition: opacity var(--normal) var(--ease);
}

.presence-dot--hidden {
  opacity: 0;
  pointer-events: none;
}

.avatar-wrap--lg .presence-dot {
  width: 20px;
  height: 20px;
  border-width: 3px;
  right: 4px;
  bottom: 4px;
}

/* ==================================================================
   Значки
   ================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 21px;
  height: 21px;
  padding: 0 6px;
  border-radius: var(--r-full);
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}

.badge--muted {
  background: var(--surface-4);
  color: var(--text-dim);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border-radius: var(--r-full);
  background: var(--surface-3);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
}

.chip--accent {
  background: var(--accent-tint);
  color: var(--accent-soft);
}

.chip--danger {
  background: var(--danger-soft);
  color: var(--danger);
}

/* ==================================================================
   Всплывающие сообщения
   ================================================================== */
.toasts {
  position: fixed;
  left: 50%;
  bottom: calc(24px + var(--safe-bottom));
  transform: translateX(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
  width: min(440px, calc(100vw - 32px));
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  padding: 11px 16px;
  border-radius: var(--r-md);
  background: var(--surface-3);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  font-size: 14px;
  pointer-events: auto;
  animation: slide-up var(--normal) var(--ease);
}

.toast--error {
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
}

.toast--error .icon {
  color: var(--danger);
}

.toast--success .icon {
  color: var(--success);
}

.toast__action {
  margin-left: auto;
  font-weight: 600;
  color: var(--accent-soft);
  padding: 4px 6px;
  border-radius: var(--r-xs);
  flex: none;
}

.toast__action:hover {
  background: var(--accent-tint);
}

.toast--leaving {
  animation: fade-in var(--normal) var(--ease) reverse forwards;
}

/* ==================================================================
   Модальные окна и нижние шторки
   ================================================================== */
.scrim {
  position: fixed;
  inset: 0;
  z-index: 800;
  background: var(--overlay);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  padding: 20px;
  animation: fade-in var(--fast) var(--ease);
}

.modal {
  width: min(460px, 100%);
  max-height: min(86vh, 760px);
  display: flex;
  flex-direction: column;
  border-radius: var(--r-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  animation: pop-in var(--normal) var(--ease);
  overflow: hidden;
}

.modal--wide {
  width: min(620px, 100%);
}

.modal__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px 14px;
  flex: none;
}

.modal__title {
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.1px;
}

.modal__body {
  padding: 0 20px 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal__footer {
  display: flex;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border-soft);
  flex: none;
}

.modal__footer .btn {
  flex: 1;
}

/* На телефоне модальное окно превращается в шторку снизу: до неё дотягивается
   большой палец, и это привычный жест на мобильных. */
@media (max-width: 700px) {
  .scrim {
    align-items: flex-end;
    padding: 0;
  }

  .modal {
    width: 100%;
    max-width: none;
    max-height: 92vh;
    border-radius: var(--r-xl) var(--r-xl) 0 0;
    padding-bottom: var(--safe-bottom);
    animation: sheet-up var(--normal) var(--ease);
  }

  .modal__handle,
  .menu__handle {
    width: 100%;
    height: 24px;
    flex: none;
    position: relative;
    touch-action: none;
    cursor: grab;
  }

  .modal__handle::after,
  .menu__handle::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 9px;
    width: 42px;
    height: 4px;
    transform: translateX(-50%);
    border-radius: var(--r-full);
    background: var(--surface-4);
    transition: width var(--fast) var(--ease), background var(--fast) var(--ease);
  }

  .modal__handle:active::after,
  .menu__handle:active::after {
    width: 56px;
    background: var(--text-faint);
  }

  .modal__close {
    display: none;
  }

  .modal__header {
    padding-top: 6px;
    touch-action: pan-x;
  }

  .sheet--dragging {
    transition: none !important;
    animation: none !important;
    user-select: none;
  }
}

.modal--dismissing,
.menu--dismissing {
  transform: translateY(105%) !important;
  transition: transform 170ms var(--ease) !important;
}

.scrim--dismissing {
  opacity: 0;
  transition: opacity 170ms var(--ease);
}

@keyframes sheet-up {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* ==================================================================
   Списки настроек
   ================================================================== */
.list {
  display: flex;
  flex-direction: column;
  border-radius: var(--r-lg);
  background: var(--surface-2);
  overflow: hidden;
}

.list__item {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  text-align: left;
  transition: background var(--fast) var(--ease);
  border-bottom: 1px solid var(--border-soft);
}

.list__item:last-child {
  border-bottom: none;
}

button.list__item:hover {
  background: var(--surface-3);
}

.list__item .icon {
  color: var(--text-dim);
}

.list__item--danger,
.list__item--danger .icon {
  color: var(--danger);
}

.list__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.list__title {
  font-size: 14.5px;
  font-weight: 500;
}

.list__subtitle {
  font-size: 12.5px;
  color: var(--text-dim);
}

.list__value {
  font-size: 13.5px;
  color: var(--text-dim);
  margin-left: auto;
  flex: none;
}

.section-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 0 4px 8px;
}

/* ==================================================================
   Заглушки загрузки
   ================================================================== */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--surface-2) 0%,
    var(--surface-3) 50%,
    var(--surface-2) 100%
  );
  background-size: 800px 100%;
  animation: shimmer 1.4s linear infinite;
  border-radius: var(--r-sm);
}

.skeleton--circle {
  border-radius: 50%;
}

.skeleton-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
}

.skeleton-row__lines {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ==================================================================
   Пустые состояния
   ================================================================== */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  height: 100%;
  padding: 40px 24px;
  text-align: center;
  color: var(--text-dim);
}

.empty__art {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--text-faint);
}

.empty__art .icon {
  width: 32px;
  height: 32px;
}

.empty__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.empty__text {
  font-size: 14px;
  max-width: 320px;
  line-height: 1.5;
}

/* ==================================================================
   Индикатор загрузки
   ================================================================== */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--surface-4);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex: none;
}

.spinner--sm { width: 15px; height: 15px; border-width: 1.8px; }
.spinner--lg { width: 32px; height: 32px; border-width: 3px; }

/* ==================================================================
   Полоса состояния соединения
   ================================================================== */
.connection-banner {
  position: fixed;
  top: calc(10px + var(--safe-top));
  left: 50%;
  transform: translateX(-50%) translateY(-150%);
  z-index: 950;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border-radius: var(--r-full);
  background: var(--surface-3);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  font-weight: 500;
  transition: transform var(--slow) var(--ease);
  pointer-events: none;
}

.connection-banner--visible {
  transform: translateX(-50%) translateY(0);
}

.connection-banner--ok {
  color: var(--success);
}

/* ==================================================================
   Контекстное меню
   ================================================================== */
.menu {
  position: fixed;
  z-index: 850;
  min-width: 190px;
  padding: 6px;
  border-radius: var(--r-md);
  background: var(--surface-3);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  animation: pop-in var(--fast) var(--ease);
}

.menu__item {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 9px 11px;
  border-radius: var(--r-sm);
  font-size: 14px;
  text-align: left;
  color: var(--text);
  transition: background var(--fast) var(--ease);
}

.menu__item:hover {
  background: var(--surface-4);
}

.menu__item .icon {
  width: 17px;
  height: 17px;
  color: var(--text-dim);
}

.menu__item--danger,
.menu__item--danger .icon {
  color: var(--danger);
}

.menu__sep {
  height: 1px;
  margin: 5px 8px;
  background: var(--border);
}


@media (max-width: 700px) {
  .scrim--menu {
    align-items: flex-end;
    padding: 0;
    z-index: 850;
  }

  .menu--sheet {
    position: relative;
    left: auto !important;
    top: auto !important;
    width: 100%;
    min-width: 0;
    padding: 0 10px calc(10px + var(--safe-bottom));
    border-radius: var(--r-xl) var(--r-xl) 0 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-bottom: 0;
    box-shadow: var(--shadow-lg);
    animation: sheet-up var(--normal) var(--ease);
  }

  .menu--sheet .menu__item {
    min-height: 52px;
    padding: 0 14px;
    border-radius: var(--r-md);
    font-size: 15px;
  }

  .menu--sheet .menu__item .icon {
    width: 20px;
    height: 20px;
  }

  .menu--sheet .menu__sep {
    margin: 5px 6px;
  }
}

/* ==================================================================
   6.2.8 — управление пользовательскими эмодзи
   ================================================================== */
.custom-emoji-admin {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0 16px 16px;
}

.custom-emoji-admin__form {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) minmax(150px, .8fr) auto;
  gap: 8px;
  align-items: center;
}

.custom-emoji-admin__file {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.custom-emoji-admin__picked {
  min-width: 0;
  color: var(--text-dim);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.custom-emoji-admin__hint {
  color: var(--text-faint);
  font-size: 11.5px;
  line-height: 1.4;
}

.custom-emoji-admin__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}

.custom-emoji-admin__item {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 8px 9px;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  background: var(--surface-2);
}

.custom-emoji-admin__preview {
  width: 40px !important;
  height: 40px !important;
  flex: none;
}

.custom-emoji-admin__meta {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.custom-emoji-admin__meta strong,
.custom-emoji-admin__meta span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.custom-emoji-admin__meta strong { font-size: 13px; }
.custom-emoji-admin__meta span { color: var(--text-faint); font-size: 10.5px; }
.custom-emoji-admin__empty { color: var(--text-dim); font-size: 13px; padding: 8px 2px; }

@media (max-width: 700px) {
  .custom-emoji-admin { padding-inline: 12px; }
  .custom-emoji-admin__form { grid-template-columns: 1fr; }
  .custom-emoji-admin__file { grid-column: auto; }
  .custom-emoji-admin__grid { grid-template-columns: 1fr; }
}