/* ===================================
   NEXA CHAT MODAL STYLES
   ===================================*/

/* Floating Action Button (FAB) */
.nexa-chat-fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: visible;
}

.nexa-chat-fab:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.nexa-chat-fab:active {
  transform: scale(0.95);
}

.nexa-avatar-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nexa-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  z-index: 2;
}

/* Pulse animation for FAB */
.pulse-effect {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.4);
  border: 2px solid var(--color-secondary);
  z-index: 1;
  animation: pulse-fab 2.5s infinite ease-out;
}

@keyframes pulse-fab {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

/* Chat Modal */
.nexa-chat-modal {
  position: fixed;
  bottom: 100px;
  right: 30px;
  width: 350px;
  height: 500px;
  background-color: var(--color-surface);
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  z-index: var(--z-modal);
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.nexa-chat-modal.active {
  transform: translateY(0) scale(1);
  opacity: 1;
  visibility: visible;
}

.chat-header {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-primary);
  color: #ffffff;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  margin-right: var(--spacing-md);
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.chat-info {
  flex: 1;
}

.chat-info h6 {
  margin: 0;
  font-weight: 600;
  color: #ffffff;
}

.status {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.8);
}

.btn-close {
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  font-size: var(--font-size-xl);
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

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

.btn-close::before {
  content: '×';
}

.chat-messages {
  flex: 1;
  padding: var(--spacing-md);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.message {
  margin-bottom: var(--spacing-md);
  max-width: 80%;
  display: flex;
}

.nexa-message {
  align-self: flex-start;
}

.user-message {
  align-self: flex-end;
}

.message-content {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  animation: messageAppear 0.3s ease-out;
}

.nexa-message .message-content {
  background-color: var(--color-background);
  color: var(--color-text-primary);
  border-radius: var(--radius-md) var(--radius-md) var(--radius-md) 0;
}

.user-message .message-content {
  background-color: var(--color-secondary);
  color: #ffffff;
  border-radius: var(--radius-md) var(--radius-md) 0 var(--radius-md);
}

/* Message appear animation */
@keyframes messageAppear {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-input {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.quick-actions {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
  overflow-x: auto;
  padding-bottom: var(--spacing-xs);
}

.quick-action-btn {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-action-btn:hover {
  background-color: var(--color-secondary);
  color: #ffffff;
  border-color: var(--color-secondary);
}

.input-group {
  display: flex;
  gap: var(--spacing-sm);
  position: relative;
}

.input-group .form-control {
  flex: 1;
  border-radius: 20px;
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-group .form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 153, 255, 0.15);
  outline: none;
}

.input-group .btn {
  padding: 8px 12px;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.input-group .btn:hover {
  transform: scale(1.05);
}

.input-group .btn:active {
  transform: scale(0.95);
}

.input-group .btn i {
  transition: transform 0.2s ease;
}

.input-group .btn:hover i {
  transform: translateX(2px);
}

/* Chat Messages */
.chat-message {
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.chat-message.message-entered {
  opacity: 1;
  transform: translateY(0);
}

.nexa-message {
  align-self: flex-start;
  flex-direction: row;
}

.user-message {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 var(--spacing-sm);
  flex-shrink: 0;
}

.message-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.message-content {
  max-width: 250px;
  position: relative;
}

.message-text {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  word-wrap: break-word;
}

.nexa-message .message-text {
  background-color: var(--color-background);
  color: var(--color-text-primary);
  border-radius: var(--radius-md) var(--radius-md) var(--radius-md) 4px;
  border: 1px solid var(--color-border);
}

.user-message .message-text {
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-md) var(--radius-md) 4px var(--radius-md);
}

.message-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: 4px;
  text-align: right;
}

.user-message .message-time {
  text-align: left;
  color: rgba(255, 255, 255, 0.7);
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-background);
  border-radius: var(--radius-md) var(--radius-md) var(--radius-md) 4px;
  border: 1px solid var(--color-border);
  width: fit-content;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  background-color: var(--color-text-secondary);
  border-radius: 50%;
  display: inline-block;
  animation: typing 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) {
  animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
  animation-delay: -0.16s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0s;
}

@keyframes typing {
  0%, 80%, 100% { 
    transform: scale(0.6);
    opacity: 0.4;
  }
  40% { 
    transform: scale(1);
    opacity: 1;
  }
}

/* Message bubble styles for new structure */
.message-bubble {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  word-wrap: break-word;
  animation: messageAppear 0.3s ease-out;
}

.nexa-message .message-bubble {
  background-color: var(--color-background);
  color: var(--color-text-primary);
  border-radius: var(--radius-md) var(--radius-md) var(--radius-md) 4px;
  border: 1px solid var(--color-border);
}

.user-message .message-bubble {
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-md) var(--radius-md) 4px var(--radius-md);
}

.message-bubble.typing {
  padding: var(--spacing-sm) var(--spacing-md);
}

/* Update message structure */
.message {
  margin-bottom: var(--spacing-md);
  max-width: 80%;
  display: flex;
  align-items: flex-start;
  animation: messageAppear 0.3s ease-out;
}

.nexa-message {
  align-self: flex-start;
  flex-direction: row;
}

.user-message {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 var(--spacing-sm);
  flex-shrink: 0;
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.message-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.message-content {
  flex: 1;
  max-width: 250px;
}

/* Contact form button in chat */
.contact-form-btn {
  background-color: var(--color-primary) !important;
  border: none;
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  color: #ffffff;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: var(--spacing-xs);
}

.contact-form-btn:hover {
  background-color: var(--color-secondary) !important;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.contact-form-btn:active {
  transform: translateY(0);
}

/* Responsive adjustments */
@media (max-width: 576px) {
  .nexa-chat-modal {
    width: calc(100% - 40px);
    height: 60vh;
  }
  
  .nexa-chat-fab {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
  
  .nexa-avatar {
    width: 32px;
    height: 32px;
  }
}