/* NFT News Chat Widget - Floating Bottom Right */

/* Chat Widget Container */
.chat-widget {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 998;
  /* Below nav (1000) and modals (2000), above content */
  font-family: var(--font-body);
}

/* Chat Toggle Button */
.chat-toggle-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-blood), var(--color-accent-purple));
  border: 2px solid var(--color-accent-neon);
  box-shadow: var(--glow-blood), 0 4px 20px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-text-primary);
  transition: all var(--transition-normal);
  animation: pulse 2s ease-in-out infinite;
}

.chat-toggle-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 40px rgba(139, 0, 0, 1), 0 0 20px rgba(157, 0, 255, 0.8);
}

.chat-toggle-btn.active {
  background: linear-gradient(135deg, var(--color-accent-purple), var(--color-accent-cyan));
  animation: none;
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: var(--glow-blood), 0 4px 20px rgba(0, 0, 0, 0.5);
  }

  50% {
    box-shadow: 0 0 30px rgba(139, 0, 0, 1), 0 0 15px rgba(157, 0, 255, 0.8);
  }
}

/* Chat Window */
.chat-window {
  position: absolute;
  bottom: 60px;
  right: 0;
  width: 320px;
  height: 450px;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 2px solid var(--color-accent-purple);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), var(--glow-purple);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: all var(--transition-normal);
}

.chat-window.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* Chat Header */
.chat-header {
  padding: var(--spacing-sm);
  background: linear-gradient(135deg, rgba(139, 0, 0, 0.3), rgba(157, 0, 255, 0.3));
  border-bottom: 1px solid var(--color-accent-purple);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-accent-neon);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-shadow: var(--glow-neon);
}

.chat-status {
  width: 8px;
  height: 8px;
  background: var(--color-accent-neon);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-accent-neon);
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

.chat-close-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.chat-close-btn:hover {
  background: rgba(139, 0, 0, 0.3);
  color: var(--color-text-primary);
  transform: rotate(90deg);
}

/* Chat Messages Container */
.chat-messages {
  flex: 1;
  padding: var(--spacing-sm);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

/* Custom Scrollbar for Chat */
.chat-messages::-webkit-scrollbar {
  width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
  background: rgba(26, 26, 46, 0.5);
  border-radius: var(--radius-sm);
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--color-accent-purple);
  border-radius: var(--radius-sm);
}

.chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-neon);
}

/* Chat Message Bubble */
.chat-message {
  display: flex;
  gap: var(--spacing-xs);
  animation: slideIn 0.3s ease-out;
}

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

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

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

.chat-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.chat-message.bot .chat-avatar {
  background: linear-gradient(135deg, var(--color-accent-purple), var(--color-accent-cyan));
  border: 2px solid var(--color-accent-neon);
  box-shadow: var(--glow-purple);
}

.chat-message.user .chat-avatar {
  background: linear-gradient(135deg, var(--color-accent-blood), var(--color-accent-purple));
  border: 2px solid var(--color-accent-blood);
}

.chat-bubble {
  max-width: 80%;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.4;
  word-wrap: break-word;
}

.chat-message.bot .chat-bubble {
  background: rgba(157, 0, 255, 0.2);
  border: 1px solid var(--color-accent-purple);
  color: var(--color-text-primary);
  border-radius: var(--radius-md) var(--radius-md) var(--radius-md) 4px;
}

.chat-message.user .chat-bubble {
  background: rgba(139, 0, 0, 0.3);
  border: 1px solid var(--color-accent-blood);
  color: var(--color-text-primary);
  border-radius: var(--radius-md) var(--radius-md) 4px var(--radius-md);
}

.chat-timestamp {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  text-align: right;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: var(--spacing-sm);
}

.typing-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-neon);
  border-radius: 50%;
  animation: typing 1.4s ease-in-out infinite;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing {

  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.7;
  }

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

/* Chat Input Container */
.chat-input-container {
  padding: var(--spacing-sm);
  background: rgba(10, 10, 15, 0.8);
  border-top: 1px solid var(--color-accent-purple);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.chat-input-wrapper {
  display: flex;
  gap: var(--spacing-xs);
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  background: rgba(26, 26, 46, 0.7);
  border: 1px solid var(--color-accent-purple);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: var(--color-text-primary);
  font-size: 0.85rem;
  font-family: var(--font-body);
  resize: none;
  max-height: 80px;
  min-height: 36px;
  transition: all var(--transition-fast);
}

.chat-input:focus {
  outline: none;
  border-color: var(--color-accent-neon);
  box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.chat-input::placeholder {
  color: var(--color-text-muted);
}

.chat-send-btn {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-accent-blood), var(--color-accent-purple));
  border: 1px solid var(--color-accent-neon);
  border-radius: 50%;
  color: var(--color-text-primary);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.chat-send-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--color-accent-purple), var(--color-accent-neon));
  box-shadow: var(--glow-neon);
  transform: scale(1.1);
}

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

/* Welcome Message */
.chat-welcome {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--color-text-secondary);
}

.chat-welcome-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {

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

  50% {
    transform: translateY(-10px);
  }
}

.chat-welcome-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-accent-neon);
  margin-bottom: var(--spacing-xs);
}

.chat-welcome-text {
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Suggested Questions */
.chat-suggestions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
}

.suggestion-btn {
  padding: var(--spacing-sm);
  background: rgba(157, 0, 255, 0.1);
  border: 1px solid var(--color-accent-purple);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.suggestion-btn:hover {
  background: rgba(157, 0, 255, 0.2);
  border-color: var(--color-accent-neon);
  color: var(--color-text-primary);
  transform: translateX(5px);
}

/* Error Message */
.chat-error {
  padding: var(--spacing-sm);
  background: rgba(139, 0, 0, 0.2);
  border: 1px solid var(--color-accent-blood);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-size: 0.85rem;
  text-align: center;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .chat-widget {
    bottom: 15px;
    right: 15px;
  }

  .chat-window {
    position: fixed;
    width: calc(100vw - 30px);
    height: calc(100vh - 140px);
    max-height: 500px;
    bottom: 75px;
    right: 15px;
    left: 15px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .chat-bubble {
    max-width: 90%;
    font-size: 0.9rem;
  }

  .chat-input {
    font-size: 0.9rem;
  }

  .chat-welcome-text {
    font-size: 0.9rem;
  }

  .suggestion-btn {
    font-size: 0.85rem;
    padding: 10px;
  }
}

@media (max-width: 480px) {
  .chat-widget {
    bottom: 10px;
    right: 10px;
  }

  .chat-toggle-btn {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }

  .chat-window {
    position: fixed;
    width: 75vw;
    height: 75vh;
    max-height: none;
    bottom: 70px;
    right: 10px;
    left: auto;
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-accent-purple);
  }

  .chat-header {
    padding: 12px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  .chat-title {
    font-size: 1rem;
  }

  .chat-messages {
    padding: 12px;
  }

  .chat-bubble {
    max-width: 80%;
    font-size: 0.9rem;
    padding: 10px 12px;
  }

  .chat-input-container {
    padding: 12px;
  }

  .chat-input {
    font-size: 1rem;
    padding: 10px 12px;
  }

  .chat-send-btn {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }

  .chat-welcome {
    padding: var(--spacing-md);
  }

  .chat-welcome-icon {
    font-size: 2.5rem;
  }

  .chat-welcome-title {
    font-size: 1.1rem;
  }

  .chat-welcome-text {
    font-size: 0.9rem;
  }

  .suggestion-btn {
    font-size: 0.9rem;
    padding: 12px;
  }
}

@media (max-width: 360px) {
  .chat-toggle-btn {
    width: 45px;
    height: 45px;
    font-size: 1.3rem;
  }

  .chat-window {
    width: 75vw;
    height: 75vh;
    bottom: 60px;
    right: 10px;
    left: auto;
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-accent-purple);
  }

  .chat-header {
    padding: 10px;
  }

  .chat-title {
    font-size: 0.95rem;
  }

  .chat-messages {
    padding: 10px;
  }

  .chat-bubble {
    font-size: 0.85rem;
    padding: 8px 10px;
  }

  .chat-input-container {
    padding: 10px;
  }

  .chat-input {
    font-size: 0.95rem;
    padding: 8px 10px;
  }

  .chat-send-btn {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .chat-welcome-icon {
    font-size: 2rem;
  }

  .chat-welcome-title {
    font-size: 1rem;
  }

  .chat-welcome-text {
    font-size: 0.85rem;
  }

  .suggestion-btn {
    font-size: 0.85rem;
    padding: 10px;
  }
}

/* Landscape Mobile Optimization */
@media (max-width: 768px) and (orientation: landscape) {
  .chat-window {
    width: 75vw;
    height: 75vh;
    max-height: none;
    bottom: 70px;
    right: 10px;
    left: auto;
  }

  .chat-messages {
    padding: 8px;
  }

  .chat-welcome {
    padding: var(--spacing-sm);
  }

  .chat-welcome-icon {
    font-size: 2rem;
    margin-bottom: 4px;
  }

  .chat-welcome-title {
    font-size: 1rem;
    margin-bottom: 4px;
  }

  .chat-welcome-text {
    font-size: 0.8rem;
  }

  .chat-suggestions {
    margin-top: var(--spacing-sm);
  }
}

/* Screen reader only class for accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Accessibility - Focus Indicators */
.chat-toggle-btn:focus-visible,
.chat-close-btn:focus-visible,
.chat-send-btn:focus-visible,
.chat-input:focus-visible,
.suggestion-btn:focus-visible {
  outline: 2px solid var(--color-accent-neon);
  outline-offset: 2px;
}

/* Remove default focus outline */
.chat-toggle-btn:focus,
.chat-close-btn:focus,
.chat-send-btn:focus,
.chat-input:focus,
.suggestion-btn:focus {
  outline: none;
}

/* Performance Optimizations */
.chat-toggle-btn {
  will-change: transform;
}

.chat-window {
  will-change: opacity, transform;
  contain: layout style paint;
}

.chat-window.active {
  will-change: auto;
}

/* Disable backdrop-filter on mobile for performance */
@media (max-width: 768px) {
  .chat-window {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(26, 26, 46, 0.98);
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {

  /* Use higher specificity instead of !important */
  html .chat-toggle-btn,
  html .chat-window,
  html .chat-message,
  html .typing-dot,
  html .chat-welcome-icon {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
    transition-duration: 0.01ms;
  }

  .chat-window {
    backdrop-filter: none;
    background: rgba(26, 26, 46, 0.98);
  }
}