/* Chat Container */
.chat-container {
  display: flex;
  height: 100vh;
  background: #f5f5f5;
  position: relative;
}

.chat-status {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 100;
}

.status-indicator {
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

.status-indicator.online {
  background: #d1fae5;
  color: #065f46;
}

.status-indicator.offline {
  background: #fee2e2;
  color: #991b1b;
}

/* Main Chat Area */
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: white;
  border-left: 1px solid #e5e7eb;
}

.chat-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #e5e7eb;
  background: white;
}

.conversation-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.conversation-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 1.25rem;
}

.conversation-info h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.participant-info {
  margin: 0.25rem 0 0 0;
  font-size: 0.875rem;
  color: #6b7280;
}

/* No Conversation Selected */
.no-conversation-selected {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
}

.no-conversation-selected p {
  margin: 0.5rem 0;
}

.no-conversation-selected .hint {
  font-size: 0.875rem;
  color: #d1d5db;
}

/* Loading/Error States */
.chat-loading,
.chat-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  gap: 1rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #e5e7eb;
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.chat-error p {
  color: #dc2626;
  font-weight: 500;
}

.chat-error button {
  padding: 0.5rem 1rem;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  font-weight: 500;
}

.chat-error button:hover {
  background: #2563eb;
}

/* Responsive */
@media (max-width: 768px) {
  .chat-container {
    flex-direction: column;
  }

  .conversation-list {
    max-width: 100%;
  }
}