/* Chatbot Widget Styles - Phase 2 Implementation */

/* CSS Variables for theming */
:root {
  /* Brand Colors - matching motos.cat */
  --chatbot-primary: #667eea;
  --chatbot-primary-dark: #5a67d8;
  --chatbot-secondary: #764ba2;
  --chatbot-accent: #f093fb;
  
  /* Status Colors */
  --chatbot-success: #48bb78;
  --chatbot-warning: #ed8936;
  --chatbot-error: #f56565;
  --chatbot-info: #4299e1;
  
  /* Neutral Colors */
  --chatbot-white: #ffffff;
  --chatbot-gray-50: #f7fafc;
  --chatbot-gray-100: #edf2f7;
  --chatbot-gray-200: #e2e8f0;
  --chatbot-gray-300: #cbd5e0;
  --chatbot-gray-400: #a0aec0;
  --chatbot-gray-500: #718096;
  --chatbot-gray-600: #4a5568;
  --chatbot-gray-700: #2d3748;
  --chatbot-gray-800: #1a202c;
  --chatbot-gray-900: #171923;
  
  /* Typography */
  --chatbot-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --chatbot-font-mono: 'SF Mono', 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'DejaVu Sans Mono', 'Courier New', monospace;
  --chatbot-font-size-xs: 0.75rem;
  --chatbot-font-size-sm: 0.875rem;
  --chatbot-font-size-base: 1rem;
  --chatbot-font-size-lg: 1.125rem;
  --chatbot-font-size-xl: 1.25rem;
  
  /* Spacing */
  --chatbot-spacing-xs: 0.25rem;
  --chatbot-spacing-sm: 0.5rem;
  --chatbot-spacing-md: 1rem;
  --chatbot-spacing-lg: 1.5rem;
  --chatbot-spacing-xl: 2rem;
  
  /* Border Radius */
  --chatbot-radius-sm: 0.25rem;
  --chatbot-radius-md: 0.5rem;
  --chatbot-radius-lg: 0.75rem;
  --chatbot-radius-xl: 1rem;
  --chatbot-radius-full: 9999px;
  
  /* Shadows */
  --chatbot-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --chatbot-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --chatbot-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --chatbot-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --chatbot-transition-fast: 150ms ease-in-out;
  --chatbot-transition-normal: 300ms ease-in-out;
  --chatbot-transition-slow: 500ms ease-in-out;
  
  /* Z-index */
  --chatbot-z-widget: 1000;
  --chatbot-z-overlay: 999;
  --chatbot-z-modal: 998;
}

/* Base Widget Styles */
.chatbot-widget {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: var(--chatbot-z-widget);
  width: 24rem;
  height: 36rem;
  max-height: 80vh;
  background: var(--chatbot-white);
  border-radius: var(--chatbot-radius-xl);
  box-shadow: var(--chatbot-shadow-xl);
  transition: var(--chatbot-transition-normal);
  overflow: hidden;
  font-family: var(--chatbot-font-family);
  
  /* Glass morphism effect */
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  background-color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.125);
}

/* Minimized state */
.chatbot-widget.minimized {
  width: 4rem;
  height: 4rem;
  border-radius: var(--chatbot-radius-full);
  cursor: pointer;
  
  /* Floating action button appearance */
  background: linear-gradient(135deg, var(--chatbot-primary) 0%, var(--chatbot-secondary) 100%);
  box-shadow: var(--chatbot-shadow-lg);
  
  /* Hover effect */
  &:hover {
    transform: scale(1.05);
    box-shadow: var(--chatbot-shadow-xl);
  }
  
  /* Active state */
  &:active {
    transform: scale(0.95);
  }
}

/* Widget Header */
.chatbot-widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--chatbot-spacing-md);
  background: linear-gradient(135deg, var(--chatbot-primary) 0%, var(--chatbot-secondary) 100%);
  color: var(--chatbot-white);
  
  .minimized & {
    padding: var(--chatbot-spacing-sm);
    justify-content: center;
    background: transparent;
  }
}

.chatbot-widget-title {
  display: flex;
  align-items: center;
  gap: var(--chatbot-spacing-sm);
  
  .chatbot-widget-icon {
    font-size: 1.25rem;
    animation: pulse 2s infinite;
  }
  
  h3 {
    font-size: var(--chatbot-font-size-base);
    font-weight: 600;
    margin: 0;
    
    .minimized & {
      display: none;
    }
  }
}

.chatbot-widget-controls {
  display: flex;
  gap: var(--chatbot-spacing-sm);
  
  .minimized & {
    display: none;
  }
  
  .chatbot-widget-button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: var(--chatbot-radius-md);
    color: var(--chatbot-white);
    padding: var(--chatbot-spacing-sm);
    cursor: pointer;
    transition: var(--chatbot-transition-fast);
    
    &:hover {
      background: rgba(255, 255, 255, 0.3);
      transform: translateY(-1px);
    }
    
    &:active {
      transform: translateY(0);
    }
    
    &.minimize-btn {
      &:hover {
        background: rgba(255, 255, 255, 0.1);
      }
    }
    
    &.mode-toggle {
      background: rgba(255, 255, 255, 0.15);
      
      &:hover {
        background: rgba(255, 255, 255, 0.25);
      }
    }
  }
}

/* Widget Body */
.chatbot-widget-body {
  display: flex;
  flex-direction: column;
  height: calc(100% - 4rem);
  background: var(--chatbot-white);
  
  .minimized & {
    display: none;
  }
}

/* Quick Actions */
.chatbot-quick-actions {
  padding: var(--chatbot-spacing-md);
  background: var(--chatbot-gray-50);
  border-bottom: 1px solid var(--chatbot-gray-200);
  
  .quick-actions-title {
    font-size: var(--chatbot-font-size-xs);
    font-weight: 600;
    color: var(--chatbot-gray-600);
    margin-bottom: var(--chatbot-spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  
  .quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--chatbot-spacing-sm);
  }
  
  .quick-action-button {
    background: var(--chatbot-white);
    border: 1px solid var(--chatbot-gray-200);
    border-radius: var(--chatbot-radius-lg);
    padding: var(--chatbot-spacing-sm);
    text-align: center;
    cursor: pointer;
    transition: var(--chatbot-transition-fast);
    
    &:hover {
      background: var(--chatbot-gray-50);
      border-color: var(--chatbot-primary);
      transform: translateY(-1px);
    }
    
    &:active {
      transform: translateY(0);
    }
    
    .quick-action-icon {
      font-size: 1.25rem;
      margin-bottom: var(--chatbot-spacing-xs);
    }
    
    .quick-action-text {
      font-size: var(--chatbot-font-size-xs);
      color: var(--chatbot-gray-700);
      line-height: 1.3;
    }
  }
}

/* Messages Area */
.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--chatbot-spacing-md);
  background: var(--chatbot-gray-50);
  
  /* Custom scrollbar */
  &::-webkit-scrollbar {
    width: 6px;
  }
  
  &::-webkit-scrollbar-track {
    background: var(--chatbot-gray-100);
  }
  
  &::-webkit-scrollbar-thumb {
    background: var(--chatbot-gray-400);
    border-radius: var(--chatbot-radius-full);
  }
  
  &::-webkit-scrollbar-thumb:hover {
    background: var(--chatbot-gray-500);
  }
}

/* Message Styles */
.chatbot-message {
  margin-bottom: var(--chatbot-spacing-md);
  animation: messageSlideIn 0.3s ease-out;
  
  &.user-message {
    text-align: right;
    
    .message-content {
      background: var(--chatbot-primary);
      color: var(--chatbot-white);
      border-bottom-right-radius: var(--chatbot-radius-sm);
      
      &::before {
        right: -8px;
        border-left: 8px solid var(--chatbot-primary);
      }
    }
  }
  
  &.bot-message {
    text-align: left;
    
    .message-content {
      background: var(--chatbot-white);
      color: var(--chatbot-gray-800);
      border-bottom-left-radius: var(--chatbot-radius-sm);
      
      &::before {
        left: -8px;
        border-right: 8px solid var(--chatbot-white);
      }
    }
  }
  
  .message-content {
    display: inline-block;
    max-width: 80%;
    padding: var(--chatbot-spacing-sm) var(--chatbot-spacing-md);
    border-radius: var(--chatbot-radius-lg);
    position: relative;
    word-wrap: break-word;
    box-shadow: var(--chatbot-shadow-sm);
    font-family: var(--chatbot-font-family);
    
    &::before {
      content: '';
      position: absolute;
      bottom: 0;
      width: 0;
      height: 0;
      border-style: solid;
      border-color: transparent;
    }
    
    /* Code blocks with monospace font fallback */
    code, pre {
      font-family: var(--chatbot-font-mono) !important;
    }
  }
  
  .message-timestamp {
    font-size: var(--chatbot-font-size-xs);
    color: var(--chatbot-gray-500);
    margin-top: var(--chatbot-spacing-xs);
  }
  
  .message-sources {
    margin-top: var(--chatbot-spacing-sm);
    
    .source-item {
      display: inline-block;
      background: var(--chatbot-gray-100);
      border-radius: var(--chatbot-radius-md);
      padding: var(--chatbot-spacing-xs) var(--chatbot-spacing-sm);
      margin-right: var(--chatbot-spacing-xs);
      margin-bottom: var(--chatbot-spacing-xs);
      font-size: var(--chatbot-font-size-xs);
      color: var(--chatbot-gray-600);
      text-decoration: none;
      transition: var(--chatbot-transition-fast);
      
      &:hover {
        background: var(--chatbot-gray-200);
        color: var(--chatbot-gray-700);
      }
    }
  }
}

/* Input Area */
.chatbot-input-area {
  padding: var(--chatbot-spacing-md);
  background: var(--chatbot-white);
  border-top: 1px solid var(--chatbot-gray-200);
}

.chatbot-input-form {
  display: flex;
  gap: var(--chatbot-spacing-sm);
  align-items: flex-end;
}

.chatbot-input-wrapper {
  flex: 1;
  position: relative;
}

.chatbot-input {
  width: 100%;
  padding: var(--chatbot-spacing-sm) var(--chatbot-spacing-md);
  padding-right: 3rem; /* Space for voice button */
  border: 2px solid var(--chatbot-gray-200);
  border-radius: var(--chatbot-radius-lg);
  background: var(--chatbot-white);
  font-size: var(--chatbot-font-size-sm);
  color: var(--chatbot-gray-700);
  transition: var(--chatbot-transition-fast);
  resize: none;
  min-height: 2.5rem;
  max-height: 8rem;
  
  &:focus {
    outline: none;
    border-color: var(--chatbot-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  }
  
  &::placeholder {
    color: var(--chatbot-gray-400);
  }
  
  /* Auto-resize behavior */
  &.auto-resize {
    overflow-y: hidden;
  }
}

.chatbot-input-actions {
  position: absolute;
  right: var(--chatbot-spacing-sm);
  bottom: var(--chatbot-spacing-sm);
  display: flex;
  gap: var(--chatbot-spacing-xs);
}

.chatbot-voice-button {
  background: transparent;
  border: none;
  color: var(--chatbot-gray-400);
  padding: var(--chatbot-spacing-xs);
  cursor: pointer;
  border-radius: var(--chatbot-radius-md);
  transition: var(--chatbot-transition-fast);
  
  &:hover {
    color: var(--chatbot-primary);
    background: rgba(102, 126, 234, 0.1);
  }
  
  &.recording {
    color: var(--chatbot-error);
    animation: pulse 1s infinite;
  }
  
  &:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }
}

.chatbot-send-button {
  background: linear-gradient(135deg, var(--chatbot-primary) 0%, var(--chatbot-secondary) 100%);
  border: none;
  color: var(--chatbot-white);
  padding: var(--chatbot-spacing-sm) var(--chatbot-spacing-md);
  border-radius: var(--chatbot-radius-lg);
  cursor: pointer;
  transition: var(--chatbot-transition-fast);
  font-size: var(--chatbot-font-size-sm);
  font-weight: 500;
  
  &:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--chatbot-shadow-md);
  }
  
  &:active:not(:disabled) {
    transform: translateY(0);
  }
  
  &:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
  }
  
  .sending & {
    opacity: 0.8;
  }
}

/* Typing Indicator */
.chatbot-typing-indicator {
  display: flex;
  align-items: center;
  gap: var(--chatbot-spacing-xs);
  padding: var(--chatbot-spacing-sm);
  
  .typing-dot {
    width: 8px;
    height: 8px;
    background: var(--chatbot-gray-400);
    border-radius: var(--chatbot-radius-full);
    animation: typing 1.4s infinite ease-in-out;
    
    &:nth-child(1) { animation-delay: -0.32s; }
    &:nth-child(2) { animation-delay: -0.16s; }
    &:nth-child(3) { animation-delay: 0s; }
  }
}

/* Mode Selector */
.chatbot-mode-selector {
  display: flex;
  gap: var(--chatbot-spacing-xs);
  padding: var(--chatbot-spacing-sm);
  background: var(--chatbot-gray-50);
  border-radius: var(--chatbot-radius-lg);
  
  .mode-option {
    flex: 1;
    background: transparent;
    border: 2px solid transparent;
    border-radius: var(--chatbot-radius-md);
    padding: var(--chatbot-spacing-sm);
    text-align: center;
    cursor: pointer;
    transition: var(--chatbot-transition-fast);
    
    &:hover {
      background: var(--chatbot-white);
    }
    
    &.active {
      background: var(--chatbot-primary);
      color: var(--chatbot-white);
      border-color: var(--chatbot-primary-dark);
    }
    
    .mode-icon {
      font-size: 1.25rem;
      margin-bottom: var(--chatbot-spacing-xs);
    }
    
    .mode-label {
      font-size: var(--chatbot-font-size-xs);
      font-weight: 500;
    }
    
    .mode-description {
      font-size: 0.7rem;
      opacity: 0.8;
      margin-top: 2px;
    }
  }
}

/* Error States */
.chatbot-error {
  padding: var(--chatbot-spacing-md);
  background: rgba(245, 101, 101, 0.1);
  border: 1px solid rgba(245, 101, 101, 0.2);
  border-radius: var(--chatbot-radius-lg);
  margin: var(--chatbot-spacing-sm) 0;
  
  .error-icon {
    color: var(--chatbot-error);
    margin-right: var(--chatbot-spacing-sm);
  }
  
  .error-message {
    color: var(--chatbot-error);
    font-size: var(--chatbot-font-size-sm);
    margin: 0;
  }
  
  .error-action {
    margin-top: var(--chatbot-spacing-sm);
    
    .retry-button {
      background: var(--chatbot-error);
      color: var(--chatbot-white);
      border: none;
      border-radius: var(--chatbot-radius-md);
      padding: var(--chatbot-spacing-sm) var(--chatbot-spacing-md);
      font-size: var(--chatbot-font-size-sm);
      cursor: pointer;
      transition: var(--chatbot-transition-fast);
      
      &:hover {
        background: #c53030;
      }
    }
  }
}

/* Animations */
@keyframes messageSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes typing {
  0%, 60%, 100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-5px);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .chatbot-widget {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
    margin: 0;
    bottom: auto;
    right: auto;
  }
  
  .chatbot-widget.minimized {
    bottom: 1rem;
    right: 1rem;
    width: 4rem;
    height: 4rem;
    border-radius: var(--chatbot-radius-full);
  }
  
  .chatbot-widget-header {
    padding: var(--chatbot-spacing-md);
    
    h3 {
      font-size: var(--chatbot-font-size-lg);
    }
  }
  
  .chatbot-quick-actions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .chatbot-messages {
    padding: var(--chatbot-spacing-md);
  }
  
  .chatbot-input-area {
    padding: var(--chatbot-spacing-md);
  }
}

@media (max-width: 480px) {
  .chatbot-widget {
    .chatbot-widget-header {
      padding: var(--chatbot-spacing-sm);
    }
    
    .chatbot-quick-actions-grid {
      grid-template-columns: 1fr;
    }
    
    .chatbot-mode-selector {
      flex-direction: column;
      
      .mode-option {
        display: flex;
        align-items: center;
        gap: var(--chatbot-spacing-sm);
        text-align: left;
        
        .mode-icon {
          margin-bottom: 0;
        }
        
        .mode-content {
          flex: 1;
        }
      }
    }
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .chatbot-widget {
    background-color: rgba(26, 32, 44, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #e2e8f0;
    
    .chatbot-widget-body {
      background: #1a202c;
    }
    
    .chatbot-messages {
      background: #2d3748;
    }
    
    .chatbot-quick-actions {
      background: #2d3748;
      border-color: #4a5568;
    }
    
    .chatbot-input-area {
      background: #1a202c;
      border-color: #4a5568;
    }
    
    .chatbot-input {
      background: #2d3748;
      border-color: #4a5568;
      color: #e2e8f0;
      
      &:focus {
        border-color: var(--chatbot-primary);
      }
    }
    
    .chatbot-message.bot-message .message-content {
      background: #2d3748;
      color: #e2e8f0;
      
      &::before {
        border-right-color: #2d3748;
      }
    }
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  .chatbot-widget {
    * {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .chatbot-widget {
    .chatbot-input {
      border-width: 3px;
    }
    
    .chatbot-send-button {
      border: 2px solid var(--chatbot-primary-dark);
    }
    
    .chatbot-mode-option {
      border-width: 3px;
      
      &.active {
        border-width: 4px;
      }
    }
  }
}