.chat-toggle {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  z-index: 1000;
}

.chat-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.chat-toggle i {
  color: white;
  font-size: 28px;
}

.chat-window {
  position: fixed;
  bottom: 90px;
  left: 20px;
  width: 400px;
  height: 600px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  z-index: 1001;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 16px 20px;
  border-radius: 16px 16px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-header-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
}

.chat-close {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 20px;
  padding: 4px;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.chat-close:hover {
  opacity: 1;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: #f8f9fa;
}

.chat-mode-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #f3f5ff;
  border-bottom: 1px solid #e2e8ff;
  font-size: 12px;
}

.chat-mode-label {
  color: #475569;
  font-weight: 600;
  margin: 0;
}

.chat-mode-select {
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 2px 8px;
  background: white;
  color: #1e293b;
  font-size: 12px;
}

.chat-mode-status {
  color: #334155;
  margin-left: auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 170px;
}

.chat-message {
  margin-bottom: 16px;
  display: flex;
  gap: 10px;
  animation: fadeIn 0.3s ease;
}

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

.chat-message.user {
  flex-direction: row-reverse;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.message-avatar.bot {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.message-avatar.user {
  background: #6c757d;
  color: white;
}

.message-content {
  max-width: 75%;
  padding: 12px 16px;
  border-radius: 12px;
  line-height: 1.5;
  font-size: 14px;
}

.message-content.bot {
  background: white;
  border: 1px solid #e9ecef;
  color: #212529;
}

.message-content.user {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.message-content.loading {
  background: white;
  border: 1px solid #e9ecef;
}

.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 8px;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #667eea;
  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);
  }
  30% {
    transform: translateY(-10px);
  }
}

.chat-input-container {
  border-top: 1px solid #e9ecef;
  background: white;
  border-radius: 0 0 16px 16px;
}

.chat-suggestions {
  padding: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-bottom: 1px solid #e9ecef;
}

.suggestion-btn {
  padding: 6px 12px;
  border: 1px solid #667eea;
  background: white;
  color: #667eea;
  border-radius: 16px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.suggestion-btn:hover {
  background: #667eea;
  color: white;
}

.chat-input-wrapper {
  display: flex;
  padding: 12px;
  gap: 8px;
}

.chat-input {
  flex: 1;
  border: 1px solid #dee2e6;
  border-radius: 24px;
  padding: 10px 16px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.chat-input:focus {
  border-color: #667eea;
}

.chat-send-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s;
}

.chat-send-btn:hover {
  transform: scale(1.1);
}

.chat-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (max-width: 768px) {
  .chat-window {
    width: calc(100vw - 40px);
    height: calc(100vh - 120px);
    left: 20px;
    right: 20px;
  }
}