/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px 16px;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-normal), 
              background-color var(--transition-normal),
              box-shadow var(--transition-normal);
  text-decoration: none;
  background: transparent;
  color: inherit;
}

.btn:hover {
  transform: scale(1.02);
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--color-message-own);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

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

.btn--full {
  width: 100%;
  margin: var(--space-sm) 0;
}

.btn--icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
  font-size: 16px;
}

.btn--toggle-password {
  background: var(--color-message-own);
  color: white;
  flex-shrink: 0;
}

.btn--send {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: white;
  color: var(--color-primary-dark);
  font-size: 18px;
  flex-shrink: 0;
}

.btn--settings {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  color: white;
  font-size: 20px;
}

.btn--settings:hover {
  background: var(--color-message-own);
}

.btn--close {
  position: absolute;
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  color: white;
  font-size: 24px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
}

.btn--close:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Формы */
.form {
  width: 100%;
}

.form__group {
  margin-bottom: var(--space-md);
}

.form__label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-md);
  color: var(--color-text);
}

.form__input {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
  background: var(--color-primary-dark);
  color: var(--color-text);
  transition: border-color var(--transition-normal);
}

.form__input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form__input::placeholder {
  color: var(--color-text-secondary);
}

.form__password-wrapper {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.form__input--password {
  flex: 1;
}

.form__error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-xs);
  min-height: 14px;
}

.form__success {
  color: var(--color-success);
  font-size: var(--font-size-md);
  text-align: center;
  margin: var(--space-md) 0;
}

.form__select {
  background: rgba(0, 0, 0, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 10px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
  cursor: pointer;
}

.form__select:focus {
  border-color: var(--color-border);
  outline: none;
}

/* Разделитель */
.divider {
  text-align: center;
  margin: var(--space-md) 0;
  position: relative;
}

.divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-border);
}

.divider__text {
  background: var(--color-bg-secondary);
  padding: 0 var(--space-lg);
  position: relative;
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
}

/* Аватары */
.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--color-message-own);
  color: white;
  font-weight: bold;
  overflow: hidden;
  flex-shrink: 0;
  line-height: 1;
}

.avatar--small {
  width: var(--avatar-sm);
  height: var(--avatar-sm);
  font-size: 18px;
}

.avatar--medium {
  width: var(--avatar-md);
  height: var(--avatar-md);
  font-size: 20px;
}

.avatar--large {
  width: var(--avatar-xl);
  height: var(--avatar-xl);
  font-size: 40px;
  margin: 0 auto var(--space-lg);
  border: 3px solid var(--color-border);
}

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

/* Выбор аватара */
.avatar-selector {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.avatar-option {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  transition: all var(--transition-normal);
}

.avatar-option:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.1);
}

.avatar-option--selected {
  background: var(--color-message-own);
  border-color: var(--color-border);
  transform: scale(1.1);
}

.avatar-upload {
  text-align: center;
  margin-bottom: var(--space-md);
}

/* Пустые состояния */
.empty-state {
  padding: var(--space-2xl);
  text-align: center;
  color: var(--color-text-secondary);
}

.empty-state--center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.empty-state__title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.empty-state__text {
  font-size: var(--font-size-md);
  line-height: 1.6;
}

/* Экраны */
.screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: none;
  justify-content: center;
  align-items: center;
  padding: var(--space-md);
  overflow-y: auto;
}

.screen--active {
  display: flex;
}

/* Карточка авторизации */
.auth-card {
  width: 100%;
  max-width: 380px;
  padding: var(--space-2xl);
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

@media (max-width: 480px) {
  .screen {
    padding: var(--space-sm);
    /* на маленьких экранах карточка сверху, чтобы форма не обрезалась клавиатурой */
    align-items: flex-start;
  }

  .auth-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    margin: var(--space-sm) 0;
  }

  .auth-card__title {
    font-size: var(--font-size-2xl);
  }

  .auth-card__subtitle {
    font-size: var(--font-size-md);
  }
}

.auth-card__header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.auth-card__title {
  font-size: var(--font-size-3xl);
  color: white;
  margin-bottom: var(--space-xs);
}

.auth-card__subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
}

/* Пользователь */
.user-badge {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.user-badge__name {
  font-weight: 600;
  color: white;
  font-size: var(--font-size-lg);
}

.username-display {
  text-align: center;
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-lg);
}

/* Поиск */
.search {
  position: relative;
}

.search__input {
  width: 100%;
  padding: 10px 35px 10px 12px;
  border: 2px solid var(--color-border);
  border-radius: 20px;
  font-size: var(--font-size-md);
  background: var(--color-primary-dark);
  color: var(--color-text);
  /* M6: убираем нативный стиль поля поиска в Safari (крестик очистки ломает кастомный border) */
  -webkit-appearance: none;
  appearance: none;
}

.search__input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.search__results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: var(--space-xs);
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-height: 200px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

/* Диалоги */
.dialog {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background-color var(--transition-normal);
  margin-bottom: var(--space-xs);
}

.dialog:hover {
  background: rgba(255, 255, 255, 0.1);
}

.dialog--active {
  background: var(--color-message-own);
}

.dialog__avatar {
  width: var(--avatar-lg);
  height: var(--avatar-lg);
  border-radius: var(--radius-full);
  background: var(--color-message-own);
  color: white;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

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

.dialog__info {
  flex: 1;
  min-width: 0;
}

.dialog__name {
  font-weight: 600;
  color: white;
  margin-bottom: var(--space-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dialog__preview {
  font-size: 13px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dialog__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.dialog__time {
  font-size: 11px;
  color: var(--color-text-secondary);
}

.dialog__badge {
  background: var(--color-accent);
  color: white;
  font-size: 11px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  line-height: 1;
}

.dialog--unread .dialog__preview {
  color: white;
  font-weight: 500;
}

.dialog--unread .dialog__time {
  color: var(--color-accent);
}

/* Сообщения */
.message {
  display: flex;
  margin-bottom: var(--space-lg);
  animation: fadeIn var(--transition-slow);
  position: relative;
}

.message--own {
  flex-direction: row-reverse;
}

.message--own .message__content {
  background: var(--color-message-own);
}

.message__avatar {
  width: var(--avatar-md);
  height: var(--avatar-md);
  border-radius: var(--radius-full);
  background: var(--color-message-own);
  color: white;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 var(--space-md);
  flex-shrink: 0;
  overflow: hidden;
}

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

.message__content {
  background: var(--color-message-other);
  padding: var(--space-md) var(--space-lg);
  border-radius: 18px;
  max-width: 70%;
  color: var(--color-text);
}

.message__author {
  font-weight: 500;
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

.message__text {
  font-size: var(--font-size-lg);
  line-height: 1.4;
  word-break: break-word;
}

.message__time {
  font-size: var(--font-size-sm);
  opacity: 0.7;
  margin-top: var(--space-xs);
}

/* Форма сообщения */
.message-form {
  display: flex;
  gap: var(--space-md);
  background: var(--color-primary-dark);
  padding: var(--space-md);
  border-radius: 25px;
  border: 1px solid var(--color-border);
}

.message-form__input {
  flex: 1;
  border: none;
  background: none;
  color: var(--color-text);
  font-size: var(--font-size-lg);
  resize: none;
  outline: none;
  max-height: 100px;
  font-family: inherit;
}

.message-form__input::placeholder {
  opacity: 0.7;
  color: var(--color-text-secondary);
}

/* Настройки */
.setting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(129, 199, 132, 0.3);
}

.setting__label {
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.setting--danger {
  border-bottom: none;
}

/* Вкладки */
.tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  overflow-x: auto;
}

.tab {
  flex: 1;
  min-width: 60px;
  padding: 15px 8px;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: var(--font-size-md);
  transition: all var(--transition-normal);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}

.tab:hover {
  background: rgba(76, 175, 80, 0.3);
  color: white;
  border-bottom-color: var(--color-border);
}

.tab--active {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  font-weight: 600;
  border-bottom-color: var(--color-accent);
}

.tab-panel {
  display: none;
  padding: var(--space-xl);
  max-height: 400px;
  overflow-y: auto;
  background: var(--color-primary-dark);
}

.tab-panel--active {
  display: block;
}

/* ===== LOADING STATES ===== */
.btn.is-loading {
  opacity: 0.75;
  cursor: wait;
  pointer-events: none;
  position: relative;
}

.btn__spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
  flex-shrink: 0;
}

.btn__loading-text {
  font-size: var(--font-size-md);
}

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

@media (prefers-reduced-motion: reduce) {
  .btn__spinner {
    animation: none;
    border-top-color: rgba(255, 255, 255, 0.3);
    border-style: dashed;
  }
}

/* ===== NOTIFICATION SETTINGS ===== */
.setting--notification {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
}

.setting--notification .setting__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.setting__status {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-normal);
}

.info-box {
  background: rgba(0, 0, 0, 0.2);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-top: var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ===== AVATAR LIGHTBOX ===== */
.avatar-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.avatar-lightbox[hidden] {
  display: none;
}

.avatar-lightbox__content {
  max-width: min(90vw, 90vh);
  max-height: min(90vw, 90vh);
  border-radius: var(--radius-xl);
  overflow: hidden;
  font-size: clamp(80px, 30vmin, 200px);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.avatar--clickable {
  cursor: zoom-in;
}

/* ===== DIALOG ONLINE INDICATOR ===== */
.dialog__name--online::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-online);
  border-radius: 50%;
  margin-left: var(--space-sm);
  vertical-align: middle;
  box-shadow: 0 0 4px var(--color-online);
}

/* ===== CHAT PARTNER STATUS ===== */
.chat__partner-status--online {
  color: var(--color-online) !important;
}

.chat__partner-status--typing {
  color: var(--color-accent) !important;
  font-style: italic;
}

/* ===== CHECKBOX (Remember me) ===== */
.form__group--checkbox {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-md);
}

.form__checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  color: var(--color-text);
  font-size: var(--font-size-md);
  /* M4: предотвращаем выделение текста при двойном клике на лейбл */
  user-select: none;
  -webkit-user-select: none;
}

.form__checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

/* ===== MESSAGE SEARCH BAR ===== */
.message-search-bar {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-xl);
  background: var(--color-primary-dark);
  border-bottom: 1px solid var(--color-border);
  align-items: center;
}

.message-search-bar__input {
  flex: 1;
  padding: 8px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-primary-darker);
  color: var(--color-text);
  font-size: var(--font-size-md);
  /* M6: сброс нативного стиля Safari для type="search" */
  -webkit-appearance: none;
  appearance: none;
}

.message-search-bar__input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.message-search-bar__input::placeholder {
  color: var(--color-text-secondary);
}

/* ===== REPLY BAR ===== */
.reply-bar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-xl);
  background: var(--color-primary-dark);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.reply-bar__content {
  flex: 1;
  min-width: 0;
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-accent);
}

.reply-bar__author {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  margin-bottom: 2px;
}

.reply-bar__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== DATE SEPARATORS ===== */
.message-date-separator {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-lg) 0;
  position: relative;
}

.message-date-separator::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-border);
  opacity: 0.3;
}

.message-date-separator span {
  background: var(--color-chat);
  padding: 0 var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1;
}

/* ===== UNREAD DIVIDER ===== */
.unread-divider {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  margin: 4px 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  position: relative;
}

.unread-divider::before,
.unread-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
  opacity: 0.4;
}

/* ===== MESSAGE REPLY ===== */
.message__reply {
  background: rgba(0, 0, 0, 0.2);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  border-left: 3px solid var(--color-accent);
}

.message__reply-author {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 2px;
}

.message__reply-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message__actions {
  display: flex;
  flex-direction: column;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition-normal);
  align-self: flex-start;
  padding-top: var(--space-sm);
  flex-shrink: 0;
}

.message--own .message__actions {
  order: -1;
}

.message:hover .message__actions {
  opacity: 1;
}

/* показываем на тач-устройствах при активации */
.message.message--touched .message__actions {
  opacity: 1;
}

.message__reply-btn,
.message__delete-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.message__reply-btn:hover {
  background: var(--color-message-own);
}

.message__delete-btn:hover {
  background: var(--color-error);
}

/* ===== SIDEBAR FOOTER ===== */
.sidebar__footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  border-top: 1px solid var(--color-bg);
  flex-shrink: 0;
}

/* ===== GROUPS ===== */
.dialog__group-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 4px;
  padding: 0 4px;
  margin-left: 6px;
  vertical-align: middle;
  opacity: 0.8;
}

.group-member-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--color-message-own);
  border-radius: var(--radius-full);
  padding: 3px 10px 3px 6px;
  font-size: 13px;
  margin: 3px;
}

.group-member-tag__remove {
  background: none;
  border: none;
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  font-size: 12px;
  padding: 0 0 0 4px;
  line-height: 1;
}

.group-member-tag__remove:hover {
  color: white;
}

.group-members-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  min-height: 32px;
}

.group-member-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.group-member-row__name {
  flex: 1;
  font-weight: 500;
}

.group-member-row__role {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.group-member-row__role--admin {
  color: var(--color-accent);
}

.btn--sm {
  width: 28px;
  height: 28px;
  font-size: 13px;
}

.group-info-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) 0 var(--space-xl);
}

.group-info-avatar {
  font-size: 56px;
  line-height: 1;
}

.group-info-name {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: white;
}

.group-info-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.modal__body {
  padding: var(--space-xl);
  overflow: visible;
  flex: 1;
}

/* Скролл только там где нужен список (не ломает absolute dropdown) */
.group-members-list {
  max-height: 240px;
  overflow-y: auto;
}

.modal__footer {
  padding: var(--space-md) var(--space-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
  flex-shrink: 0;
  border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
}

/* ===== MESSAGE HIGHLIGHT (search) ===== */
.message--highlighted {
  animation: highlightPulse 2s ease;
}

@keyframes highlightPulse {
  0%, 100% { background: transparent; }
  50% { background: rgba(255, 193, 7, 0.15); }
}

.message__text mark {
  background: rgba(255, 193, 7, 0.4);
  color: inherit;
  border-radius: 2px;
  padding: 0 2px;
}

/* ===== MESSAGE LOADER (infinite scroll) ===== */
.message-loader {
  display: flex;
  justify-content: center;
  padding: var(--space-md);
}

/* ===== CHAT HEADER SEARCH BUTTON ===== */
.chat__actions .btn--icon {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text);
}

.chat__actions .btn--icon:hover {
  background: var(--color-message-own);
  color: white;
}

/* ===== MOBILE SETTINGS ===== */
@media (max-width: 768px) {
  .setting--notification {
    gap: var(--space-sm);
  }

  .setting--notification .btn {
    width: 100%;
  }

  .tabs {
    /* скроллим вкладки горизонтально без scrollbar */
    scrollbar-width: none;
  }

  .tabs::-webkit-scrollbar {
    display: none;
  }

  .tab {
    min-width: 70px;
    padding: 12px 8px;
    font-size: 12px;
  }

  .avatar-selector {
    gap: var(--space-xs);
  }

  .avatar-option {
    width: 42px;
    height: 42px;
    font-size: 20px;
  }

  /* Кнопки формы сообщения */
  .message-form__input {
    font-size: var(--font-size-md);
  }

  .btn--send {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  /* Пустой экран чата */
  .empty-state__title {
    font-size: var(--font-size-2xl);
  }

  .empty-state__text {
    font-size: var(--font-size-md);
    padding: 0 var(--space-md);
  }
}

/* ===== GROUP AVATAR PICKER ===== */
.group-avatar-picker {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
}

.group-avatar-preview {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-message-own);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  flex-shrink: 0;
  overflow: hidden;
}

.group-avatar-controls {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.btn--sm-text {
  padding: 6px 14px;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  white-space: nowrap;
}

/* ===== MESSAGE META (time + edited) ===== */
.message__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.message__edited {
  font-size: 11px;
  color: var(--color-text-secondary);
  opacity: 0.7;
  font-style: italic;
}

/* ===== INLINE EDIT ===== */
.message__text--editing {
  outline: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 2px 4px;
  min-width: 60px;
  white-space: pre-wrap;
}

/* ===== CLICKABLE LINKS ===== */
.message__text a {
  color: var(--color-accent);
  text-decoration: underline;
  word-break: break-all;
}

.message__text a:hover {
  opacity: 0.85;
}

/* ===== MESSAGE ACTIONS - new buttons ===== */
.message__edit-btn,
.message__react-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.message__edit-btn:hover {
  background: var(--color-message-own);
}

.message__react-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ===== REACTIONS ===== */
.message__reactions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.reaction-btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.07);
  cursor: pointer;
  font-size: 15px;
  color: var(--color-text);
  transition: background var(--transition-fast);
  line-height: 1.3;
}

.reaction-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.reaction-btn--mine {
  background: rgba(var(--color-accent-rgb, 76, 175, 80), 0.2);
  border-color: var(--color-accent);
}

.reaction-count {
  font-size: 12px;
  opacity: 0.9;
}

.reaction-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  background: var(--color-primary-dark);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 6px 10px;
  z-index: 2000;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.reaction-picker__btn {
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.reaction-picker__btn:hover {
  transform: scale(1.3);
  background: rgba(255,255,255,0.1);
}

/* ===== EMOJI PICKER ===== */
.emoji-picker {
  position: absolute;
  bottom: 100%;
  left: 0;
  right: 0;
  max-height: 240px;
  overflow-y: auto;
  background: var(--color-primary-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  z-index: 100;
  padding: var(--space-sm);
  scrollbar-width: thin;
}

.emoji-picker[hidden] {
  display: none;
}

.emoji-section {
  margin-bottom: var(--space-sm);
}

.emoji-section__title {
  font-size: 11px;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--space-xs) var(--space-xs);
  margin-bottom: 2px;
}

.emoji-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
}

.emoji-btn {
  width: 34px;
  height: 34px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 20px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.emoji-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn--emoji {
  width: 36px;
  height: 36px;
  font-size: 18px;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.btn--emoji:hover {
  opacity: 1;
}

/* chat__input-area relative for emoji picker positioning */
.chat__input-area {
  position: relative;
}