/* Container chính cho Widget - Sử dụng ID để tăng độ ưu tiên (Specificity) */
#chat-widget {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 2147483647;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: normal;
  background: transparent;
  pointer-events: none;
  /* Cho phép click xuyên qua vùng trống */
}

/* Reset CSS cực mạnh cho tất cả element con để tránh conflict */
#chat-widget * {
  box-sizing: border-box !important;
  outline: none !important;
  pointer-events: auto;
  /* Bật lại click cho các phần tử con */
  margin: 0;
  padding: 0;
  font-family: inherit;
  line-height: inherit;
  color: inherit;
}

#chat-widget p,
#chat-widget h3,
#chat-widget span,
#chat-widget div,
#chat-widget a {
  margin: 0;
  padding: 0;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  text-decoration: none;
  list-style: none !important;
}

#chat-widget button,
#chat-widget input,
#chat-widget textarea {
  appearance: none !important;
  -webkit-appearance: none !important;
  border: none;
  background: transparent;
  padding: 0;
  margin: 0;
  cursor: pointer;
  font-family: inherit;
  line-height: normal;
  box-shadow: none !important;
}

#chat-widget img {
  border: none;
  padding: 0;
  margin: 0;
  box-shadow: none;
  border-radius: 0;
  max-width: 100% !important;
  /* Safety default */
  height: auto !important;
  display: block;
}

/* ===== BONG BÓNG CHAT - EXPANDED MODE ===== */
#chat-widget .chat-bubble {
  background: white;
  border-radius: 50px;
  padding: 10px 10px 10px 25px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 15px;
  cursor: pointer;
  transition: all 0.3s ease;
  max-width: 340px;
  min-height: 80px;
  overflow: visible;
  position: relative;
  z-index: 10001;
}

/* Nút thu gọn bong bóng - Modern Redesign */
#chat-widget .bubble-collapse-btn {
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  background: linear-gradient(135deg, var(--blc-n8n-primary, #667eea) 0%, var(--blc-n8n-secondary, #764ba2) 100%);
  border: none;
  border-radius: 20px;
  width: 24px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  pointer-events: none;
  z-index: 1;
}

#chat-widget .bubble-collapse-btn .collapse-icon {
  width: 16px;
  height: 16px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#chat-widget .chat-bubble:hover .bubble-collapse-btn {
  opacity: 1;
  pointer-events: auto;
  left: -14px;
}

#chat-widget .bubble-collapse-btn:hover {
  width: 28px;
  left: -16px;
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

#chat-widget .bubble-collapse-btn:active {
  transform: translateY(-50%) scale(0.95);
}

/* Trạng thái collapsed - xoay icon và đổi vị trí */
#chat-widget .bubble-collapse-btn.collapsed {
  left: auto;
  right: -12px;
  opacity: 1;
  pointer-events: auto;
}

#chat-widget .bubble-collapse-btn.collapsed .collapse-icon {
  transform: rotate(180deg);
}

#chat-widget .chat-bubble:hover .bubble-collapse-btn.collapsed {
  right: -14px;
  left: auto;
}

#chat-widget .bubble-collapse-btn.collapsed:hover {
  right: -16px;
  left: auto;
}

/* Trạng thái thu gọn của bubble (user toggle) */
#chat-widget .chat-bubble.collapsed {
  width: 60px;
  height: 60px;
  min-height: 60px;
  padding: 0;
  justify-content: center;
}


#chat-widget .chat-bubble.collapsed .chat-content {
  display: none;
}

#chat-widget .chat-bubble.collapsed .avatar-wrapper {
  padding: 0;
}

#chat-widget .chat-bubble.collapsed .chat-avatar {
  width: 50px;
  height: 50px;
}

/* === COMPACT MODE - Chế độ rút gọn mặc định === */
#chat-widget .chat-bubble.compact-mode {
  width: 65px;
  height: 65px;
  min-height: 65px;
  padding: 0;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blc-n8n-gradient-start, #667eea) 0%, var(--blc-n8n-gradient-end, #764ba2) 100%);
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

#chat-widget .chat-bubble.compact-mode:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.5);
}

#chat-widget .chat-bubble.compact-mode .avatar-wrapper {
  padding: 0;
}

#chat-widget .chat-bubble.compact-mode .chat-avatar {
  width: 55px;
  height: 55px;
  border: 3px solid rgba(255, 255, 255, 0.3);
}

#chat-widget .chat-bubble.compact-mode .avatar-image {
  border-radius: 50%;
}

#chat-widget .chat-bubble.compact-mode .status-indicator {
  width: 14px;
  height: 14px;
  border: 2px solid white;
}

/* Badge thông báo tin nhắn mới */
#chat-widget .chat-notification-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: #ff4444;
  color: white;
  font-size: 11px;
  font-weight: bold;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  box-shadow: 0 2px 5px rgba(255, 68, 68, 0.3);
  animation: badgePulse 2s infinite;
  opacity: 0;
  transform: scale(0);
  transition: all 0.3s ease;
  z-index: 11;
}

#chat-widget .chat-notification-badge.show {
  opacity: 1;
  transform: scale(1);
}

@keyframes badgePulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 68, 68, 0.7);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(255, 68, 68, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(255, 68, 68, 0);
  }
}

/* Container tổng cho external messages */
#chat-widget .external-messages-wrapper {
  position: absolute;
  bottom: 95px;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
  transition: all 0.3s ease;
  z-index: 10000;
}

/* Container cho quick replies với nút đóng */
#chat-widget .external-quick-replies-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all 0.3s ease;
  position: relative;
}

#chat-widget .external-quick-replies-container.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

#chat-widget .quick-replies-close-btn {
  position: absolute;
  top: -35px;
  right: 0;
  background: transparent;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  color: #718096;
  transition: all 0.2s ease;
  z-index: 11;
  border: none !important;
}

#chat-widget .quick-replies-close-btn:hover {
  background: #f7fafc;
  color: #2d3748;
  transform: scale(1.1);
}

/* Quick reply bubbles */
#chat-widget .quick-reply-bubble {
  background: #f0f9ff;
  border-radius: 20px;
  padding: 10px 16px;
  padding-right: 45px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid #bfdbfe;
  font-size: 14px;
  color: #1e40af;
  line-height: 1.4;
  max-width: 280px;
  position: relative;
  display: flex;
  align-items: center;
  word-wrap: break-word;
  white-space: normal;
  margin-top: 5px;
}

#chat-widget .quick-reply-bubble:hover {
  background: #dbeafe;
  border-color: #93c5fd;
  transform: translateX(-5px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

#chat-widget .quick-reply-text {
  flex: 1;
}

#chat-widget .quick-reply-send-icon {
  position: absolute;
  right: 12px;
  color: #3b82f6;
  transition: all 0.2s ease;
}

#chat-widget .quick-reply-bubble:hover .quick-reply-send-icon {
  color: #2563eb;
  transform: translateX(2px);
}

/* Message preview */
#chat-widget .chat-message-preview {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 12px 16px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
  max-width: 280px;
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

#chat-widget .chat-message-preview.show {
  opacity: 1;
  transform: scale(1);
}

#chat-widget .chat-message-preview-text {
  font-size: 14px;
  color: #2d3748;
  line-height: 1.4;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Typing bubble bên ngoài */
#chat-widget .external-typing-bubble {
  background: white;
  border-radius: 20px;
  padding: 12px 16px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
  transition: all 0.3s ease;
}

#chat-widget .external-typing-bubble.show {
  opacity: 1;
  transform: scale(1);
}

#chat-widget .external-typing-bubble span {
  width: 8px;
  height: 8px;
  background: var(--blc-n8n-primary, #667eea);
  border-radius: 50%;
  animation: externalTyping 1.4s infinite;
}

#chat-widget .external-typing-bubble span:nth-child(1) {
  animation-delay: 0s;
}

#chat-widget .external-typing-bubble span:nth-child(2) {
  animation-delay: 0.2s;
}

#chat-widget .external-typing-bubble span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes externalTyping {

  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.5;
  }

  30% {
    transform: translateY(-10px);
    opacity: 1;
  }
}

/* Hover effect cho bubble */
#chat-widget .chat-bubble:hover {
  background: #f0f9ff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
}

#chat-widget .chat-bubble:active {
  background: #e1f5fe;
  transform: translateY(0);
  transition: all 0.1s ease;
}

/* Hiệu ứng flash xanh */
#chat-widget .chat-bubble.flash {
  animation: flashGreen 0.5s ease;
}

@keyframes flashGreen {

  0%,
  100% {
    background: white;
  }

  50% {
    background: #e8f5e9;
    box-shadow: 0 5px 25px rgba(76, 175, 80, 0.3);
  }
}

/* Phần text bên trái */
#chat-widget .chat-content {
  flex: 1;
  padding-right: 10px;
}

#chat-widget .chat-title {
  font-size: 16px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 5px;
}

#chat-widget .chat-status {
  font-size: 14px;
  color: #666;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

/* Loading dots */
#chat-widget .loading-dots {
  display: inline-flex;
  gap: 3px;
  align-items: center;
}

#chat-widget .loading-dots span {
  width: 4px;
  height: 4px;
  background: #666;
  border-radius: 50%;
  animation: loadingDot 1.5s infinite;
  display: inline-block;
}

#chat-widget .loading-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

#chat-widget .loading-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes loadingDot {

  0%,
  60%,
  100% {
    opacity: 0.3;
  }

  30% {
    opacity: 1;
  }
}

/* Avatar wrapper */
#chat-widget .avatar-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

/* Avatar container */
#chat-widget .chat-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #f5f5f5;
  border: 1px solid #e0e0e0;
  position: relative;
  overflow: visible;
  flex-shrink: 0;
}

/* Loading skeleton */
#chat-widget .avatar-loading {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loadingSkeleton 1.5s infinite;
  border-radius: 50%;
}

@keyframes loadingSkeleton {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

/* Avatar image */
#chat-widget .avatar-image {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

#chat-widget .avatar-image.show {
  display: block;
  opacity: 1;
}

/* Status indicator */
#chat-widget .status-indicator {
  position: absolute;
  bottom: 0px;
  right: 0px;
  width: 18px;
  height: 18px;
  border: 3px solid white;
  border-radius: 50%;
  transition: all 0.3s ease;
  z-index: 10;
}

#chat-widget .status-indicator.loading {
  background: #FFC107;
  animation: pulseYellow 2s infinite;
  box-shadow: 0 2px 5px rgba(255, 193, 7, 0.3);
}

@keyframes pulseYellow {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.15);
    opacity: 1;
  }
}

#chat-widget .status-indicator.online {
  background: #4CAF50;
  animation: pulseGreen 2s infinite;
  box-shadow: 0 2px 5px rgba(76, 175, 80, 0.3);
}

@keyframes pulseGreen {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.15);
  }
}

/* ===== CỬA SỔ CHAT ===== */
#chat-widget .chat-window {
  width: 380px;
  height: 600px;
  max-height: calc(100vh - 100px);
  background: white;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: scale(0.95) translateY(20px);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
  margin-bottom: 20px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  z-index: 10000;
}

/* Header mới của cửa sổ chat */
#chat-widget .chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--blc-n8n-gradient-start, #667eea) 0%, var(--blc-n8n-gradient-end, #764ba2) 100%);
  position: relative;
  flex-shrink: 0;
}

#chat-widget .chat-header-info {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  position: relative !important;
  z-index: 10 !important;
}

#chat-widget .header-avatar-wrapper {
  position: relative !important;
  width: 40px !important;
  height: 40px !important;
  flex-shrink: 0 !important;
  margin-right: 0 !important;
}

#chat-widget .header-avatar {
  width: 100% !important;
  height: 100% !important;
  border-radius: 50% !important;
  border: 2px solid rgba(255, 255, 255, 0.3) !important;
  background: white !important;
  overflow: hidden !important;
  object-fit: cover !important;
  display: block !important;
}

#chat-widget .status-dot-overlay {
  position: absolute !important;
  bottom: 0 !important;
  right: 0 !important;
  width: 10px !important;
  height: 10px !important;
  background: #4CAF50 !important;
  border: 2px solid white !important;
  border-radius: 50% !important;
  box-shadow: 0 0 0 1px rgba(76, 175, 80, 0.3) !important;
  animation: pulse 2s infinite;
  z-index: 101 !important;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7);
  }

  70% {
    box-shadow: 0 0 0 8px rgba(76, 175, 80, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(76, 175, 80, 0);
  }
}

#chat-widget .close-chat-btn {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  color: white;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

#chat-widget .close-chat-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}

/* TRẠNG THÁI MỞ CHAT */
#chat-widget.chat-open .chat-window {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
}

@media (min-width: 481px) {
  #chat-widget.chat-open .chat-bubble {
    transform: scale(0.9);
    opacity: 0.8;
  }

  #chat-widget.chat-open .bubble-collapse-btn {
    opacity: 1;
    pointer-events: auto;
  }
}

/* Chat container */
#chat-widget .chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #f8f9fa;
  min-height: 0;
  overflow: hidden;
}

/* Messages area */
#chat-widget .chat-messages {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 20px;
  display: flex;
  flex-direction: column;
  background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

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

#chat-widget .chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

#chat-widget .chat-messages::-webkit-scrollbar-thumb {
  background: #cbd5e0;
  border-radius: 3px;
}

#chat-widget .chat-messages::-webkit-scrollbar-thumb:hover {
  background: #a0aec0;
}

/* Message bubbles */
#chat-widget .message {
  margin-bottom: 12px;
  padding: 12px 18px;
  border-radius: 20px;
  max-width: 75%;
  line-height: 1.5;
  font-size: 15px;
  animation: messageSlide 0.3s ease;
}

@keyframes messageSlide {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#chat-widget .message.bot {
  background: white;
  color: #2d3748;
  align-self: flex-start;
  word-wrap: break-word;
  white-space: pre-wrap;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
}

#chat-widget .message.bot.greeting {
  white-space: normal;
}

#chat-widget .message.user {
  background: linear-gradient(135deg, var(--blc-n8n-gradient-start, #667eea) 0%, var(--blc-n8n-gradient-end, #764ba2) 100%);
  color: white;
  align-self: flex-end;
  box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

/* Quick replies trong chat window */
#chat-widget .quick-replies-container {
  background: #f0f9ff;
  border-radius: 15px;
  padding: 15px;
  margin-bottom: 12px;
  align-self: stretch;
  box-shadow: 0 2px 10px rgba(59, 130, 246, 0.1);
  border: 1px solid #bfdbfe;
  position: relative;
  animation: messageSlide 0.3s ease;
}

#chat-widget .quick-replies-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

#chat-widget .quick-replies-title {
  font-size: 13px;
  color: #1e40af;
  font-weight: 600;
}

#chat-widget .quick-reply-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: white;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid #dbeafe;
}

#chat-widget .quick-reply-item:last-child {
  margin-bottom: 0;
}

#chat-widget .quick-reply-item:hover {
  background: #dbeafe;
  border-color: #93c5fd;
  transform: translateX(2px);
}

/* Input form */
#chat-widget .chat-input-form {
  display: flex !important;
  flex-wrap: nowrap !important;
  padding: 20px !important;
  background: white !important;
  border-top: 1px solid #e2e8f0 !important;
  align-items: flex-end !important;
  gap: 12px !important;
  flex-shrink: 0 !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

#chat-widget .chat-window .chat-container .chat-input-form textarea#user-input,
#chat-widget textarea#user-input {
  all: unset !important;
  display: block !important;
  flex: 1 1 0% !important;
  width: 1px !important;
  min-width: 0 !important;
  max-width: 100% !important;
  border: 2px solid #e2e8f0 !important;
  border-radius: 25px !important;
  padding: 12px 20px !important;
  font-size: 16px !important;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
  resize: none !important;
  overflow-y: hidden !important;
  max-height: 100px !important;
  box-sizing: border-box !important;
  transition: all 0.2s ease !important;
  background: #f8f9fa !important;
  margin: 0 !important;
  color: #2d3748 !important;
  line-height: 1.5 !important;
  -webkit-appearance: none !important;
}

#chat-widget textarea#user-input:focus {
  outline: none !important;
  border-color: var(--blc-n8n-primary, #667eea) !important;
  background: white !important;
}

#chat-widget textarea#user-input::placeholder {
  color: #a0aec0 !important;
  opacity: 1 !important;
}

#chat-widget .chat-input-form #send-btn,
#chat-widget #send-btn {
  all: unset !important;
  display: flex !important;
  border: none !important;
  background: linear-gradient(135deg, var(--blc-n8n-gradient-start, #667eea) 0%, var(--blc-n8n-gradient-end, #764ba2) 100%) !important;
  color: white !important;
  width: 48px !important;
  height: 48px !important;
  min-width: 48px !important;
  min-height: 48px !important;
  max-width: 48px !important;
  max-height: 48px !important;
  border-radius: 50% !important;
  font-size: 20px !important;
  cursor: pointer !important;
  align-items: center !important;
  justify-content: center !important;
  transition: all 0.2s ease !important;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4) !important;
  flex-shrink: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
  position: relative !important;
}

#chat-widget #send-btn:hover {
  transform: scale(1.1) !important;
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5) !important;
}

#chat-widget #send-btn:active {
  transform: scale(0.95) !important;
}

/* Typing indicator */
#chat-widget .typing-indicator {
  display: flex;
  align-items: center;
  padding: 12px 18px;
  background: white;
  border-radius: 20px;
  max-width: 80px;
  margin-bottom: 12px;
  align-self: flex-start;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
}

#chat-widget .typing-indicator span {
  height: 10px;
  width: 10px;
  background: linear-gradient(135deg, var(--blc-n8n-gradient-start, #667eea) 0%, var(--blc-n8n-gradient-end, #764ba2) 100%);
  border-radius: 50%;
  display: inline-block;
  margin-right: 5px;
  animation: typing 1.4s infinite;
}

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

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

#chat-widget .typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
  margin-right: 0;
}

@keyframes typing {

  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.5;
  }

  30% {
    transform: translateY(-15px);
    opacity: 1;
  }
}

/* ===== KEYBOARD MOBILE FIX ===== */
#chat-widget.keyboard-visible .chat-window {
  height: 100vh !important;
  height: 100dvh !important;
}

#chat-widget.keyboard-visible .chat-container {
  height: calc(var(--viewport-height, 100vh) - var(--header-height, 72px)) !important;
}

#chat-widget.keyboard-visible .chat-messages {
  flex: 1 1 auto !important;
  min-height: 0 !important;
}

#chat-widget.keyboard-visible .chat-input-form {
  position: fixed !important;
  bottom: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 10002 !important;
  padding-bottom: calc(var(--keyboard-height, 0px) + 12px) !important;
}

/* ===== RESPONSIVE MOBILE ===== */
@media (max-width: 480px) {
  #chat-widget {
    bottom: 10px;
    right: 10px;
  }

  #chat-widget .chat-bubble {
    max-width: calc(100vw - 100px);
    padding: 8px 8px 8px 20px;
    min-height: 70px;
  }

  #chat-widget .chat-bubble.collapsed {
    width: 50px;
    height: 50px;
    min-height: 50px;
  }

  #chat-widget .chat-bubble.collapsed .chat-avatar {
    width: 45px;
    height: 45px;
  }

  #chat-widget .chat-bubble.compact-mode {
    width: 55px;
    height: 55px;
    min-height: 55px;
  }

  #chat-widget .chat-bubble.compact-mode .chat-avatar {
    width: 48px;
    height: 48px;
  }

  #chat-widget .bubble-collapse-btn {
    display: none !important;
  }

  #chat-widget .chat-avatar {
    width: 54px;
    height: 54px;
  }

  #chat-widget .chat-title {
    font-size: 15px;
  }

  #chat-widget .chat-status {
    font-size: 13px;
  }

  #chat-widget .status-indicator {
    width: 16px;
    height: 16px;
  }

  /* Chat window mobile */
  #chat-widget .chat-window {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100vh !important;
    height: 100dvh !important;
    max-height: 100vh !important;
    max-height: 100dvh !important;
    border-radius: 0 !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
  }

  #chat-widget .chat-container {
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    height: 100% !important;
    overflow: hidden !important;
    position: relative !important;
  }

  /* ẨN BUBBLE TRÊN MOBILE KHI CHAT MỞ */
  #chat-widget.chat-open .chat-bubble {
    display: none !important;
  }

  #chat-widget.chat-open .external-messages-wrapper {
    display: none !important;
  }

  #chat-widget .chat-messages {
    padding: 15px !important;
    flex: 1 !important;
    min-height: 0 !important;
    overflow-y: auto !important;
  }

  #chat-widget .chat-input-form {
    padding: 12px !important;
    padding-bottom: calc(12px + env(safe-area-inset-bottom)) !important;
    background: white !important;
    position: relative !important;
    z-index: 10001 !important;
    transition: transform 0.3s ease !important;
  }

  #chat-widget textarea#user-input {
    font-size: 16px !important;
    padding: 10px 15px !important;
  }

  #chat-widget .external-messages-wrapper {
    max-width: calc(100vw - 40px);
    bottom: 85px;
  }

  #chat-widget .chat-message-preview {
    max-width: calc(100vw - 40px);
  }

  #chat-widget .quick-reply-bubble {
    max-width: calc(100vw - 100px);
  }
}

/* Tablet */
@media (min-width: 481px) and (max-width: 1024px) {
  #chat-widget .chat-window {
    max-height: calc(100vh - 60px);
    height: min(600px, calc(100vh - 60px));
  }

  #chat-widget.chat-open .chat-bubble {
    position: relative;
    z-index: 10001;
  }
}