/* Дополнительные стили для чата */

.chat-message {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
}

.chat-message.user {
  align-items: flex-end;
}

.chat-message.bot {
  align-items: flex-start;
}

.message-content {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  line-height: 1.5;
}

.chat-message.user .message-content {
  background: var(--accent-orange);
  color: white;
}

.chat-message.bot .message-content {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.message-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  width: fit-content;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing {
  0%, 60%, 100% {
    opacity: 0.3;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-8px);
  }
}

/* Мобильное меню */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .nav-menu li {
    margin-bottom: 16px;
  }
}

/* AI Chat Error Messages */
.chat-message.error .message-content {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #FCA5A5;
}

.chat-message.assistant .message-content {
  position: relative;
}

/* Улучшенная анимация typing indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  width: fit-content;
  margin-bottom: 16px;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  background: var(--accent-orange);
  border-radius: 50%;
  animation: typing 1.4s infinite;
  opacity: 0.3;
}

.typing-indicator span:nth-child(1) {
  animation-delay: 0s;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing {
  0%, 60%, 100% {
    opacity: 0.3;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-8px);
  }
}