.chat-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #1a73e8;
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, background 0.2s;
}

.chat-toggle:hover {
  transform: scale(1.08);
  background: #1557b0;
}

.chat-toggle svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.chat-panel {
  position: fixed;
  bottom: 92px;
  right: 24px;
  width: 380px;
  max-height: 520px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  z-index: 9998;
  display: none;
  flex-direction: column;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.chat-panel.open {
  display: flex;
}

.chat-header {
  background: #1a73e8;
  color: #fff;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-header-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.3);
}

.chat-header-info h4 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}

.chat-header-info p {
  margin: 0;
  font-size: 11px;
  opacity: 0.85;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 280px;
  max-height: 340px;
  background: #f8f9fa;
}

.chat-msg {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-wrap;
}

.chat-msg.bot {
  align-self: flex-start;
  background: #fff;
  color: #1a1a1a;
  border: 1px solid #e8e8e8;
  border-bottom-left-radius: 4px;
}

.chat-msg.user {
  align-self: flex-end;
  background: #1a73e8;
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-msg.bot .typing-dots {
  display: inline-flex;
  gap: 4px;
}

.chat-msg.bot .typing-dots span {
  width: 6px;
  height: 6px;
  background: #999;
  border-radius: 50%;
  animation: chatBounce 1.2s infinite;
}

.chat-msg.bot .typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.chat-msg.bot .typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes chatBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
}

.chat-input-area {
  display: flex;
  padding: 12px;
  border-top: 1px solid #e8e8e8;
  background: #fff;
  gap: 8px;
}

.chat-input-area input {
  flex: 1;
  border: 1px solid #ddd;
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}

.chat-input-area input:focus {
  border-color: #1a73e8;
}

.chat-input-area button {
  background: #1a73e8;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.chat-input-area button:hover {
  background: #1557b0;
}

.chat-input-area button:disabled {
  background: #b0b0b0;
  cursor: not-allowed;
}

.chat-input-area button svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.chat-contact-form {
  padding: 16px;
  background: #f0f6ff;
  border-top: 1px solid #d4e4ff;
}

.chat-contact-form h5 {
  margin: 0 0 12px;
  font-size: 13px;
  color: #1a73e8;
}

.chat-contact-form input,
.chat-contact-form textarea {
  width: 100%;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  margin-bottom: 8px;
  outline: none;
  font-family: inherit;
  box-sizing: border-box;
}

.chat-contact-form input:focus,
.chat-contact-form textarea:focus {
  border-color: #1a73e8;
}

.chat-contact-form textarea {
  resize: vertical;
  min-height: 60px;
}

.chat-contact-form .chat-contact-actions {
  display: flex;
  gap: 8px;
}

.chat-contact-form button {
  flex: 1;
  padding: 8px;
  border-radius: 8px;
  border: none;
  font-size: 13px;
  cursor: pointer;
  font-weight: 500;
}

.chat-contact-form .btn-send {
  background: #1a73e8;
  color: #fff;
}

.chat-contact-form .btn-send:hover {
  background: #1557b0;
}

.chat-contact-form .btn-cancel {
  background: #e8e8e8;
  color: #333;
}

.chat-contact-form .btn-cancel:hover {
  background: #d0d0d0;
}

@media (max-width: 480px) {
  .chat-panel {
    width: calc(100vw - 16px);
    right: 8px;
    bottom: 80px;
    max-height: 70vh;
  }

  .chat-toggle {
    bottom: 16px;
    right: 16px;
    width: 48px;
    height: 48px;
  }
}