/* ===================================
   Chat AI Styles
   Modern chat interface with glassmorphism
   =================================== */

/* ===== Chat AI Section ===== */
.chat-ai-section {
  background: var(--bg-secondary);
}

.chat-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 700px;
}

/* ===== Chat Header ===== */
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.chat-header__info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.chat-avatar {
  position: relative;
  width: 50px;
  height: 50px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 1.5rem;
}

.status-indicator {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 12px;
  height: 12px;
  background: #27C93F;
  border: 2px solid var(--bg-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.chat-header__text {
  flex: 1;
}

.chat-header__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.chat-header__status {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chat-header__status::before {
  content: '';
  width: 8px;
  height: 8px;
  background: #27C93F;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.chat-minimize {
  width: 36px;
  height: 36px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-minimize:hover {
  background: var(--glass-border);
  transform: translateY(-2px);
}

/* ===== Chat Suggestions ===== */
.chat-suggestions {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--glass-border);
}

.suggestions-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.suggestions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xs);
}

.suggestion-chip {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  font-family: var(--font-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.suggestion-chip:hover {
  background: var(--accent-gradient);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.suggestion-chip i {
  font-size: 1rem;
  flex-shrink: 0;
}

.chat-suggestions.hidden {
  display: none;
}

/* ===== Chat Messages ===== */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-xl);
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  scroll-behavior: smooth;
}

/* Custom Scrollbar */
.chat-messages::-webkit-scrollbar {
  width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

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

/* Message Styles */
.message {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 80%;
  animation: messageSlideIn 0.3s ease-out;
}

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

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

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

.message__avatar {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 1rem;
}

.message--user .message__avatar {
  background: var(--glass-bg);
  border: 2px solid var(--accent-primary);
}

.message__content {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  line-height: 1.6;
  box-shadow: 0 2px 8px var(--glass-shadow);
}

.message--bot .message__content {
  border-bottom-left-radius: 4px;
}

.message--user .message__content {
  background: var(--accent-gradient);
  color: #FFFFFF;
  border-bottom-right-radius: 4px;
  border: none;
}

.message__content p {
  margin: 0;
  font-size: 0.9375rem;
}

.message__content p + p {
  margin-top: var(--spacing-sm);
}

.message__content ul,
.message__content ol {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
}

.message__content li {
  margin-bottom: 0.25rem;
}

.message__content code {
  background: rgba(0, 0, 0, 0.2);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.message__content pre {
  background: rgba(0, 0, 0, 0.3);
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: var(--spacing-sm) 0;
}

.message__content pre code {
  background: none;
  padding: 0;
}

.message__content a {
  color: #FFFFFF;
  text-decoration: underline;
  font-weight: 600;
}

.message--bot .message__content a {
  color: var(--accent-primary);
}

/* Typing Indicator */
.message--typing {
  animation: messageSlideIn 0.3s ease-out;
}

.typing-indicator {
  display: flex;
  gap: 0.375rem;
  padding: var(--spacing-sm) var(--spacing-md);
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typingBounce 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;
}

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

/* Message Time */
.message__time {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  text-align: right;
}

.message--bot .message__time {
  text-align: left;
}

/* ===== Chat Input ===== */
.chat-input-container {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--glass-border);
}

.chat-form {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.chat-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
  outline: none;
}

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

.chat-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.chat-send {
  width: 44px;
  height: 44px;
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-lg);
  color: #FFFFFF;
  font-size: 1.125rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-send:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.chat-send:active:not(:disabled) {
  transform: translateY(0);
}

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

/* Loading State */
.chat-send.loading {
  pointer-events: none;
}

.chat-send.loading i {
  animation: rotate 1s linear infinite;
}

/* ===== Error Message ===== */
.message--error .message__content {
  background: rgba(255, 95, 86, 0.1);
  border-color: #FF5F56;
  color: #FF5F56;
}

.message--error .message__avatar {
  background: #FF5F56;
}

/* ===== System Message ===== */
.message--system {
  align-self: center;
  max-width: 100%;
}

.message--system .message__content {
  background: transparent;
  border: none;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-style: italic;
  padding: var(--spacing-xs) var(--spacing-md);
}

/* ===== Quick Actions ===== */
.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.quick-action-btn {
  padding: 0.375rem 0.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}

.quick-action-btn:hover {
  background: var(--accent-gradient);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* ===== Code Block in Messages ===== */
.code-block {
  margin: var(--spacing-sm) 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(0, 0, 0, 0.3);
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.copy-code-btn {
  padding: 0.25rem 0.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}

.copy-code-btn:hover {
  background: var(--accent-primary);
  color: #FFFFFF;
}

.code-block-content {
  padding: var(--spacing-sm);
  background: rgba(0, 0, 0, 0.4);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ===== Link Preview ===== */
.link-preview {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: rgba(0, 0, 0, 0.2);
  border-left: 3px solid var(--accent-primary);
  border-radius: var(--radius-sm);
}

.link-preview-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
  font-size: 0.9375rem;
}

.link-preview-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ===== Floating Chat (when minimized) ===== */
.chat-container.minimized {
  height: 60px;
  transition: height var(--transition-base);
}

.chat-container.minimized .chat-messages,
.chat-container.minimized .chat-suggestions,
.chat-container.minimized .chat-input-container {
  display: none;
}

/* ===== Mobile Chat Styles ===== */
@media screen and (max-width: 768px) {
  .chat-container {
    height: 600px;
  }
  
  .chat-header {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .chat-avatar {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
  
  .chat-header__title {
    font-size: 1rem;
  }
  
  .chat-header__status {
    font-size: 0.8125rem;
  }
  
  .chat-messages {
    padding: var(--spacing-lg);
  }
  
  .message {
    max-width: 90%;
  }
  
  .suggestions-grid {
    grid-template-columns: 1fr;
  }
  
  .suggestion-chip {
    justify-content: flex-start;
  }
  
  .chat-input-container {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .message__avatar {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
  }
}

@media screen and (max-width: 480px) {
  .chat-container {
    height: 500px;
    border-radius: var(--radius-md);
  }
  
  .chat-header {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .chat-messages {
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
  }
  
  .chat-suggestions {
    padding: var(--spacing-md);
  }
  
  .chat-input-container {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .message__content {
    font-size: 0.875rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
  .message,
  .typing-indicator span,
  .status-indicator {
    animation: none;
  }
  
  .chat-send:hover,
  .suggestion-chip:hover {
    transform: none;
  }
}

/* ===== Dark/Light Theme Specific ===== */
[data-theme="light"] .chat-input {
  background: #FFFFFF;
}

[data-theme="light"] .message__content {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .message--user .message__content {
  background: var(--accent-gradient);
  color: #FFFFFF;
}

[data-theme="light"] .code-block-header,
[data-theme="light"] .code-block-content {
  background: #F8F9FA;
  color: var(--text-primary);
}

[data-theme="light"] .typing-indicator span {
  background: var(--text-secondary);
}