/* AI Chatbot Widget Styles */

#chatbot-widget {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Toggle Button */
.chatbot-toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.chatbot-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.chatbot-toggle:active {
  transform: scale(0.95);
}

.chatbot-toggle.hidden {
  display: none;
}

.chatbot-toggle-icon {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.6);
}

/* Chat Window */
.chatbot-window {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 380px;
  height: 600px;
  max-height: calc(100vh - 40px);
  background: white;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: slideIn 0.3s ease;
}

.chatbot-window.open {
  display: flex;
}

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

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

.chatbot-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.chatbot-close {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background 0.2s ease;
  min-width: 36px;
  min-height: 36px;
}

.chatbot-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Messages Area */
.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: #f7f8fa;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.chatbot-messages::-webkit-scrollbar-track {
  background: transparent;
}

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

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

/* Message Bubbles */
.chatbot-message {
  display: flex;
  margin-bottom: 4px;
  animation: messageSlide 0.3s ease;
}

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

.message-content {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 12px;
  line-height: 1.5;
  word-wrap: break-word;
  font-size: 14px;
}

.bot-message .message-content {
  background: white;
  color: #2d3748;
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

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

.user-message .message-content {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-bottom-right-radius: 4px;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
}

.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% {
    opacity: 0.3;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-10px);
  }
}

/* Input Area */
.chatbot-input-area {
  display: flex;
  padding: 16px;
  background: white;
  border-top: 1px solid #e2e8f0;
  gap: 8px;
  flex-shrink: 0;
}

.chatbot-input {
  flex: 1;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  padding: 10px 16px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease;
}

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

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

.chatbot-send:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.chatbot-send:active {
  transform: scale(0.95);
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
  .chatbot-window {
    width: calc(100vw - 40px);
    height: calc(100vh - 40px);
    bottom: 20px;
    right: 20px;
  }

  .chatbot-toggle {
    width: 56px;
    height: 56px;
  }
}

@media (max-width: 480px) {
  .chatbot-window {
    width: 100vw;
    height: 100vh;
    height: 100dvh; /* Use dynamic viewport height for mobile browsers */
    bottom: 0;
    right: 0;
    border-radius: 0;
    max-height: 100vh;
    max-height: 100dvh;
    position: fixed;
    top: 0;
    left: 0;
  }

  #chatbot-widget {
    bottom: 16px;
    right: 16px;
  }

  /* Make header sticky and more prominent on mobile */
  .chatbot-header {
    padding: 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }

  .chatbot-header h3 {
    font-size: 20px;
  }

  .chatbot-close {
    padding: 12px;
    min-width: 48px;
    min-height: 48px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
  }

  .chatbot-close svg {
    width: 24px;
    height: 24px;
  }

  .chatbot-close:active {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0.95);
  }

  /* Ensure input area is fixed at bottom and visible above keyboard */
  .chatbot-input-area {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    flex-shrink: 0;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
    padding: 12px 16px;
    padding-bottom: max(12px, env(safe-area-inset-bottom));
    z-index: 99;
  }

  /* Adjust input field size for mobile */
  .chatbot-input {
    font-size: 16px; /* Prevents iOS zoom on focus */
    max-height: 100px;
    padding: 12px 16px;
  }

  .chatbot-send {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
  }

  /* Messages area takes remaining space with proper padding at bottom */
  .chatbot-messages {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 80px; /* Space for fixed input area */
  }
}