/**
 * @file
 * Styles for Dify Widget JS floating chatbot.
 */

/* Visually hidden - accessible to screen readers only */
.dify-chatbot .visually-hidden {
  position: absolute;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  white-space: nowrap;
  border: 0;
}

/* Skip link for keyboard accessibility (RGAA/WCAG) */
.dify-skip-link {
  position: absolute;
  z-index: 10000;
  top: -100px;
  left: 50%;
  padding: 12px 24px;
  transition: top 0.2s ease;
  transform: translateX(-50%);
  text-decoration: none;
  color: #fff;
  border-radius: 0 0 8px 8px;
  background: var(--dify-primary-color, #2563eb);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  font-weight: 600;
}

.dify-skip-link:focus {
  top: 0;
  outline: 3px solid var(--dify-primary-light, #3b82f6);
  outline-offset: 2px;
}

/* Focus visible styles for accessibility */
.dify-open-button:focus-visible,
.dify-close-button:focus-visible {
  outline: 3px solid var(--dify-primary-light);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px rgb(37, 99, 235, 0.3);
}

.dify-chatbot button:focus-visible {
  outline: 2px solid var(--dify-primary-light);
  outline-offset: 2px;
}

.dify-chatbot .message-input,
.dify-chatbot .message-input:focus {
  border: none;
  outline: none;
  box-shadow: none;
}

.dify-chatbot .suggestion-button:focus-visible {
  border-color: var(--dify-primary-color);
  outline: 2px solid var(--dify-primary-light);
  outline-offset: 2px;
}

.dify-chatbot .feedback-btn:focus-visible {
  opacity: 1;
  outline: 2px solid var(--dify-primary-light);
  outline-offset: 1px;
}

/* Open Button - Completely separate */
.dify-open-button {
  position: fixed;
  z-index: 9999;
  right: 20px;
  bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  padding: 0;
  cursor: pointer;
  border: none;
  border-radius: 50%;
  background: var(--dify-primary-color);
  box-shadow: 0 4px 16px rgb(0, 0, 0, 0.3);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.dify-open-button:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgb(0, 0, 0, 0.4);
}

/* Close Button - Completely separate */
.dify-close-button {
  position: fixed;
  z-index: 9999;
  right: 20px;
  bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  padding: 0;
  cursor: pointer;
  border: none;
  border-radius: 50%;
  background: var(--dify-primary-color);
  box-shadow: 0 4px 16px rgb(0, 0, 0, 0.3);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.dify-close-button:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgb(0, 0, 0, 0.4);
}

.bubble-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.notification-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: white;
  border-radius: 50%;
  background: var(--dify-notification-color);
  font-size: 12px;
  font-weight: bold;
}

/* Chatbot Container - Fade + Scale animation */
.dify-chatbot {
  position: fixed;
  z-index: 9998;
  right: 20px;
  bottom: 90px;
  display: flex;
  overflow: hidden;
  flex-direction: column;
  width: 550px;
  height: 550px;
  transition:
    transform 250ms ease-out,
    opacity 250ms ease-out;
  transform: scale(0.8);
  transform-origin: bottom right;
  opacity: 0;
  border-radius: 12px;
  background: var(--dify-background-main);
  box-shadow: 0 8px 32px rgb(0, 0, 0, 0.4);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.4;
}

/* Resize handle in top-left corner */
.dify-chatbot .resize-handle {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  width: 15px;
  height: 15px;
  cursor: nw-resize;
  transition: opacity 200ms ease;
  opacity: 0;
  border-radius: 0 0 8px 0;
  background: rgb(255, 255, 255, 0.1);
}

.dify-chatbot:hover .resize-handle {
  opacity: 1;
}

.dify-chatbot .resize-handle:hover {
  background: rgb(255, 255, 255, 0.2);
}

/* Animation states */
.dify-chatbot.opening {
  transform: scale(1);
  opacity: 1;
}

.dify-chatbot.closing {
  transition:
    transform 200ms ease-in,
    opacity 200ms ease-in;
  transform: scale(0.9);
  opacity: 0;
}

/* No animations needed - buttons are separate */

/* Header */
.dify-widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  user-select: none;
  color: var(--dify-text-primary);
  background: var(--dify-primary-color);
}

.dify-widget-title {
  margin: 0;
  color: var(--dify-text-primary);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
}

.dify-widget-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.new-conversation-button,
.minimize-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease;
  color: var(--dify-text-primary);
  border: none;
  border-radius: 4px;
  background: none;
  font-size: 16px;
}

.new-conversation-button:hover,
.minimize-button:hover {
  background-color: rgb(255, 255, 255, 0.1);
}

.reset-icon {
  font-size: 14px;
}

/* Messages Container */
.dify-widget-messages {
  overflow-x: hidden;
  overflow-y: auto;
  flex: 1;
  padding: 16px;
  background: var(--dify-background-secondary);
  scroll-behavior: smooth;
  /* Enhanced scrolling properties */
  scroll-padding-bottom: 16px;
  overscroll-behavior: contain;
}

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

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

.dify-widget-messages::-webkit-scrollbar-thumb {
  transition: background-color 0.2s ease;
  border-radius: 3px;
  background: rgb(255, 255, 255, 0.2);
}

.dify-widget-messages::-webkit-scrollbar-thumb:hover {
  background: rgb(255, 255, 255, 0.3);
}

/* Firefox scrollbar styling */
.dify-widget-messages {
  scrollbar-width: thin;
  scrollbar-color: rgb(255, 255, 255, 0.2) transparent;
}

/* Messages */
.message {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  margin-bottom: 16px;
  gap: 8px;
}

.bot-message {
  margin-bottom: 24px; /* Extra space for feedback buttons */
}

.message:last-child {
  margin-bottom: 0;
}

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

/* Avatar */
.message-avatar {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 16px;
  line-height: 1;
}

.bot-avatar {
  color: var(--dify-text-primary);
  background: var(--dify-background-tertiary);
}

.user-avatar {
  color: var(--dify-text-primary);
  background: var(--dify-user-message-bg);
}

/* Message body wrapper (content + feedback) */
.message-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
  max-width: 80%;
}

.message-content {
  position: relative;
  padding: 10px 14px;
  border-radius: 18px;
  overflow-wrap: break-word;
}

.user-message .message-content {
  color: var(--dify-text-primary);
  background: var(--dify-user-message-bg);
}

.bot-message .message-content {
  color: var(--dify-text-primary);
  border: 1px solid var(--dify-border-color);
  background: var(--dify-bot-message-bg);
}

/* GitHub Markdown styling for bot messages */
.bot-message .message-content.markdown-body {
  padding: 16px;
  color: var(--dify-text-primary);
  background: var(--dify-bot-message-bg);
  font-size: 14px;
  line-height: 1.5;
}

/* Override some GitHub markdown styles for better integration */
.bot-message .message-content.markdown-body h1,
.bot-message .message-content.markdown-body h2,
.bot-message .message-content.markdown-body h3,
.bot-message .message-content.markdown-body h4,
.bot-message .message-content.markdown-body h5,
.bot-message .message-content.markdown-body h6 {
  margin-top: 0;
  margin-bottom: 8px;
}

.bot-message .message-content.markdown-body p {
  margin-top: 0;
  margin-bottom: 8px;
}

.bot-message .message-content.markdown-body p:last-child {
  margin-bottom: 0;
}

/* Fix lists display */
.bot-message .message-content.markdown-body ul,
.bot-message .message-content.markdown-body ol {
  margin-top: 0;
  margin-bottom: 8px;
  padding-left: 2em !important;
  list-style: inherit !important;
}

.bot-message .message-content.markdown-body ul {
  list-style-type: disc !important;
}

.bot-message .message-content.markdown-body ol {
  list-style-type: decimal !important;
}

.bot-message .message-content.markdown-body li {
  display: list-item !important;
  margin: 4px 0;
}

.bot-message .message-content.markdown-body pre {
  margin-top: 0;
  margin-bottom: 8px;
}

.bot-message .message-content.markdown-body blockquote {
  margin: 0 0 8px 0;
  padding: 0 16px;
  border-left: 4px solid var(--dify-primary-color);
}

/* Style for links */
.bot-message .message-content.markdown-body a {
  transition: all 0.2s ease;
  text-decoration: none;
  color: var(--dify-primary-color);
  border-bottom: 1px solid transparent;
}

.bot-message .message-content.markdown-body a:hover {
  text-decoration: none;
  color: var(--dify-primary-hover);
  border-bottom-color: var(--dify-primary-color);
}

.bot-message.error .message-content {
  color: var(--dify-error-text);
  background: var(--dify-error-bg);
}

/* Note: Streaming indicator is handled by .typing-indicator in JavaScript */

/* Typing indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  animation: typing 1.4s infinite ease-in-out;
  border-radius: 50%;
  background: var(--dify-text-muted);
}

.typing-indicator span:nth-child(1) {
  animation-delay: -0.32s;
}
.typing-indicator span:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes typing {
  0%,
  80%,
  100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Input Area */
.dify-widget-input {
  padding: 16px;
  border-top: 1px solid var(--dify-border-color);
  background: var(--dify-background-main);
}

.input-group {
  display: flex;
  align-items: flex-end;
  padding: 8px 12px;
  transition: border-color 0.2s ease;
  border: 1px solid var(--dify-border-color);
  border-radius: 20px;
  background: var(--dify-background-input);
  gap: 8px;
}

.input-group:focus-within {
  border-color: var(--dify-primary-color);
}

.message-input {
  overflow: hidden;
  flex: 1;
  min-height: 20px;
  max-height: 120px;
  padding: 4px 0;
  resize: none;
  transition: none;
  color: var(--dify-text-primary);
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.4;
}

.message-input::placeholder {
  color: var(--dify-text-placeholder);
}

.send-button {
  position: relative;
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--dify-text-primary);
  border: none;
  border-radius: 50%;
  background: var(--dify-primary-color);
}

.send-button:hover:not(:disabled) {
  transform: scale(1.05);
  background: var(--dify-primary-hover);
}

.send-button:disabled {
  cursor: not-allowed;
  transform: none;
  color: var(--dify-text-muted);
  background: var(--dify-border-color);
}

.send-button .send-icon,
.send-button .loading-spinner {
  position: absolute;
  width: 16px;
  height: 16px;
}

.send-button .loading-spinner {
  display: none;
  animation: spin 1s linear infinite;
}

.send-button.is-loading .send-icon {
  display: none;
}

.send-button.is-loading .loading-spinner {
  display: block;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Footer */
.dify-widget-footer {
  padding: 8px 16px;
  text-align: center;
  border-top: 1px solid #e1e5e9;
  background: #f8f9fa;
}

/* Welcome message */
.dify-welcome-message {
  margin-bottom: 16px;
}

/* Message feedback */
.message-feedback {
  position: absolute;
  z-index: 10;
  bottom: -8px; /* Position below the message */
  left: 0; /* Align to the left edge of the message container */
  display: flex;
  transition: opacity 0.2s ease;
  opacity: 0;
  gap: 4px;
}

.bot-message .message-body {
  position: relative;
}

.bot-message:hover .message-feedback {
  opacity: 1;
}

/* Hide feedback buttons during streaming */
.bot-message.streaming .message-feedback {
  display: none !important;
}

.feedback-btn {
  padding: 2px 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: 0.8;
  border: 1px solid var(--dify-border-color);
  border-radius: 12px;
  background: var(--dify-background-main);
  box-shadow: 0 1px 3px rgb(0, 0, 0, 0.2);
  font-size: 12px;
}

.feedback-btn:hover {
  opacity: 1;
  border-color: var(--dify-primary-color);
  background: var(--dify-background-secondary);
}

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

.feedback-btn.active {
  opacity: 1;
  color: var(--dify-text-primary);
  border-color: var(--dify-primary-color);
  background: var(--dify-primary-color);
}

.message-feedback .feedback-btn.active {
  opacity: 1;
}

/* Responsive design */
@media (max-width: 768px) {
  .dify-chatbot {
    right: 0;
    bottom: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    max-height: 100vh;
    border-radius: 0;
  }

  .dify-chatbot.minimized {
    bottom: 0;
    width: 100% !important;
    height: 60px !important;
  }

  .message-body {
    max-width: 90%;
  }

  .dify-widget-header {
    padding: 16px;
  }

  .dify-widget-input {
    max-width: 87%;
    padding: 16px;
  }
  .dify-close-button,
  .dify-open-button {
    bottom: 17px;
  }
}
@media (max-width: 480px) {
  .dify-widget-input {
    max-width: 80%;
  }
}

/* Conversation suggestions */
.suggestions-message {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 16px;
}

.suggestions-content {
  display: flex;
  flex-wrap: wrap;
  max-width: 100%;
  margin-top: 8px;
  gap: 6px;
}

.suggestion-button {
  overflow: hidden;
  flex-shrink: 0;
  padding: 6px 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--dify-text-secondary);
  border: 1px solid var(--dify-border-color);
  border-radius: 16px;
  background: var(--dify-background-input);
  font-size: 12px;
  line-height: 1.3;
}

.suggestion-button:hover {
  transform: translateY(-1px);
  border-color: var(--dify-background-secondary);
  background: var(--dify-border-color);
  box-shadow: 0 2px 8px rgb(88, 166, 255, 0.15);
}

.suggestion-button:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgb(88, 166, 255, 0.1);
}