/* AI-ассистент чат */
.chat-assistant-button {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
  border: none;
  color: #0a0e1a;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 999;
}

.chat-assistant-button:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 24px rgba(255, 215, 0, 0.6);
}

.chat-assistant-button.hidden {
  opacity: 0;
  pointer-events: none;
}

.chat-notification {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #ef4444;
  color: white;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
  border: 2px solid #0a0e1a;
}

.chat-assistant-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 400px;
  max-width: calc(100vw - 2rem);
  height: 600px;
  max-height: calc(100vh - 4rem);
  background: #1a1f2e;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  overflow: hidden;
}

.chat-assistant-widget.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 237, 78, 0.05) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.chat-header-text h3 {
  margin: 0;
  font-size: 1rem;
  color: #fff;
}

.chat-status {
  font-size: 0.75rem;
  color: #22c55e;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.chat-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.chat-close {
  background: none;
  border: none;
  color: #9ca3af;
  font-size: 1.5rem;
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s;
}

.chat-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-messages::-webkit-scrollbar {
  width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
}

.chat-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 215, 0, 0.3);
  border-radius: 3px;
}

.chat-message {
  display: flex;
  gap: 0.5rem;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.user-message {
  justify-content: flex-end;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 215, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.message-content {
  background: rgba(255, 255, 255, 0.05);
  padding: 0.75rem 1rem;
  border-radius: 12px;
  color: #fff;
  line-height: 1.5;
  max-width: 80%;
  word-wrap: break-word;
}

.user-message .message-content {
  background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
  color: #0a0e1a;
  border-bottom-right-radius: 4px;
}

.assistant-message .message-content {
  border-bottom-left-radius: 4px;
}

.message-content code {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
}

.message-content strong {
  color: #ffd700;
}

.message-content a {
  color: #3b82f6;
  text-decoration: underline;
}

.typing-indicator {
  display: flex;
  gap: 0.25rem;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #9ca3af;
  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% {
    transform: translateY(0);
    opacity: 0.5;
  }
  30% {
    transform: translateY(-10px);
    opacity: 1;
  }
}

.chat-quick-questions {
  padding: 0.5rem 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  max-height: 120px;
  overflow-y: auto;
}

.quick-question {
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.3);
  color: #ffd700;
  padding: 0.5rem 0.75rem;
  border-radius: 16px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.quick-question:hover {
  background: rgba(255, 215, 0, 0.2);
  border-color: rgba(255, 215, 0, 0.5);
  transform: translateY(-2px);
}

.chat-input-container {
  display: flex;
  gap: 0.5rem;
  padding: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.2);
}

.chat-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 0.75rem;
  color: #fff;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.chat-input:focus {
  outline: none;
  border-color: #ffd700;
  background: rgba(255, 255, 255, 0.08);
}

.chat-send {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
  border: none;
  color: #0a0e1a;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.chat-send:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
}

.chat-send:active {
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .chat-assistant-widget {
    width: calc(100vw - 2rem);
    height: calc(100vh - 4rem);
    bottom: 1rem;
    right: 1rem;
  }

  .chat-assistant-button {
    bottom: 1rem;
    right: 1rem;
  }

  .message-content {
    max-width: 85%;
  }
}