/* ── Chat Page (Instagram Direct style) ── */
.chat-page {
  display: flex;
  flex-direction: column;
  flex: 1;
  height: 100vh;
  background: var(--bg-app);
}

/* Header */
.chat-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface-solid);
  backdrop-filter: blur(12px);
}
.chat-back-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 6px 12px;
  transition: background .15s, color .15s;
}
.chat-back-btn:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
}
.chat-header-title {
  flex: 1;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 1rem;
}
.chat-status {
  font-size: .72rem;
  font-weight: 700;
  color: var(--muted);
}
.chat-status.connected {
  color: #30a85e;
}

.chat-header-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-input);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  overflow: hidden;
}
.chat-header-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* Messages area */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--muted2); border-radius: 2px; }

.chat-empty {
  text-align: center;
  color: var(--muted);
  font-size: .9rem;
  padding: 40px 0;
}
.chat-empty-full {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: .95rem;
}

/* Bubbles */
.chat-bubble {
  max-width: 70%;
  padding: 10px 14px;
  border-radius: 18px;
  font-size: .92rem;
  line-height: 1.45;
  align-self: flex-start;
  background: var(--bg-surface-solid);
  border: 1px solid var(--border);
  color: var(--text-primary);
  word-break: break-word;
}
.chat-bubble.mine {
  align-self: flex-end;
  background: #3797f0;
  border-color: #3797f0;
  color: #fff;
}
.chat-bubble-time {
  display: block;
  margin-top: 4px;
  font-size: .68rem;
  line-height: 1;
  text-align: right;
  opacity: .6;
  white-space: nowrap;
}

/* Input row */
.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-surface-solid);
}
.chat-input {
  flex: 1;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: .9rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.chat-input::placeholder { color: var(--muted); }
.chat-input:focus { border-color: rgba(var(--teal-rgb), .5); box-shadow: 0 0 0 3px rgba(var(--teal-rgb), .12); }

.chat-send-btn {
  padding: 0 20px;
  border-radius: 999px;
  border: none;
  background: var(--teal);
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 900;
  transition: background .2s, opacity .2s;
}
.chat-send-btn:hover:not(:disabled) { background: var(--teal2); }
.chat-send-btn:disabled { opacity: .4; cursor: default; }

/* ── Emoji picker ── */
.chat-input-area {
  position: relative;
}
.chat-emoji-picker {
  position: absolute;
  bottom: 100%;
  right: 0;
  margin-bottom: 8px;
  z-index: 100;
}
.chat-emoji-picker em-emoji-picker {
  width: 320px;
  max-height: 350px;
}
.chat-emoji-btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 12px;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  transition: background .15s, border-color .15s;
}
.chat-emoji-btn:hover,
.chat-emoji-btn.active {
  background: var(--hover-bg);
  border-color: rgba(var(--teal-rgb), .5);
}

/* ── Chat List ── */
.chat-list {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 8px;
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
}
.chat-list::-webkit-scrollbar { width: 4px; }
.chat-list::-webkit-scrollbar-thumb { background: var(--muted2); border-radius: 2px; }

.chat-list-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: 14px;
  cursor: pointer;
  transition: background .15s;
}
.chat-list-item:hover {
  background: var(--hover-bg);
}

.chat-list-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-input);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--muted);
  flex-shrink: 0;
  overflow: hidden;
}
.chat-list-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.chat-list-info {
  flex: 1;
  min-width: 0;
}
.chat-list-item.unread .chat-list-name {
  font-weight: 800;
}
.chat-list-item.unread .chat-list-preview {
  color: var(--text-primary);
  font-weight: 700;
}
.chat-list-name {
  color: var(--text-primary);
  font-weight: 700;
  font-size: .9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-list-preview {
  color: var(--muted);
  font-size: .78rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 3px;
}

/* ── Unread Badge ── */
.chat-list-unread-badge {
  background: #ff3040;
  color: #fff;
  font-size: .7rem;
  font-weight: 800;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  flex-shrink: 0;
}

/* ── Sidebar Unread Badge ── */
.f-sb-unread-badge {
  background: #ff3040;
  color: #fff;
  font-size: .65rem;
  font-weight: 800;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  margin-left: auto;
}

/* ── Contact Button on Card ── */
/* Стили .f-card-contact живут в styles/card.css (PostOnFeed) */

.chat-list-delete-btn {
  background: rgba(255, 71, 87, .08);
  border: 1px solid rgba(255, 71, 87, .2);
  border-radius: 10px;
  color: rgba(255, 71, 87, .5);
  cursor: pointer;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .2s, background .2s, border-color .2s, color .2s;
  flex-shrink: 0;
}
.chat-list-item:hover .chat-list-delete-btn {
  opacity: 1;
}
.chat-list-delete-btn:hover {
  background: rgba(255, 71, 87, .15);
  border-color: rgba(255, 71, 87, .4);
  color: #ff4757;
}

/* Mobile adjustments */
@media (max-width: 600px) {
  .chat-header {
    padding: 10px 12px;
  }
  .chat-input-row {
    padding: 10px 12px;
  }
  .chat-bubble {
    max-width: 85%;
  }
}