/* 3. Main Chat Area */
.chat-container {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-tertiary);
  height: 100vh;
  position: relative;
}

.chat-header {
  height: 48px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  padding: 0 16px;
  justify-content: space-between;
}

.chat-title-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.messages-list {
  flex: 1;
  overflow-y: auto;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message-card {
  display: flex;
  gap: 16px;
  position: relative;
  align-items: flex-start;
  padding: 4px 8px;
  border-radius: 8px;
  transition: var(--transition-fast);
}

.message-card:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.message-meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.message-sender {
  font-weight: 600;
  font-size: 0.95rem;
}

.message-time {
  font-size: 0.7rem;
  color: var(--text-subtle);
}

.message-content {
  font-size: 0.9rem;
  line-height: 1.5;
  color: hsl(210, 20%, 90%);
  word-break: break-word;
}

.message-attachment {
  margin-top: 8px;
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  overflow: hidden;
  max-width: 400px;
}

.message-attachment img {
  width: 100%;
  max-height: 250px;
  object-fit: cover;
  display: block;
}

.message-attachment-file {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background-color: var(--bg-secondary);
}

.chat-input-area {
  padding: 0 16px 24px;
  background-color: transparent;
}

.chat-input-wrapper {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  display: flex;
  align-items: center;
  padding: 4px 12px;
}

.chat-input-wrapper:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.chat-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 12px;
  font-size: 0.9rem;
  resize: none;
  height: 44px;
  max-height: 150px;
}

/* Reactions design */
.reactions-container {
  display: flex;
  gap: 4px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.reaction-tag {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 2px 8px;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.reaction-tag:hover {
  background: var(--bg-primary);
  border-color: var(--accent);
}

.reaction-tag.user-reacted {
  background: hsla(54, 100%, 50%, 0.15);
  border-color: var(--accent);
}

/* Friends Panel Layout */
.friends-container {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-tertiary);
  height: 100vh;
}

.friends-tabs {
  display: flex;
  gap: 16px;
  border-bottom: 1px solid var(--border-glass);
  padding: 0 16px;
  height: 48px;
  align-items: center;
  background-color: var(--bg-secondary);
}

.friend-tab {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}

.friend-tab:hover, .friend-tab.active {
  color: var(--text-main);
  background-color: var(--bg-tertiary);
}

.friend-tab.add-friend {
  color: var(--success);
}

.friend-tab.add-friend.active {
  background-color: rgba(145, 255, 145, 0.1);
}

.friends-list-view {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.friend-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
}

.friend-info-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.friend-actions-group {
  display: flex;
  gap: 8px;
}