:root {
    --viewport-height: 100vh;
  }

  .shop-ai-chat-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  }

  .shop-ai-chat-bubble {
    width: 60px;
    height: 60px;
    background-color: #5046e4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
  }
  
  @media (max-width: 480px) {
    .shop-ai-chat-bubble {
      width: 50px;
      height: 50px;
    }
    
    .shop-ai-chat-bubble svg {
      width: 25px;
      height: 25px;
    }
  }

  .shop-ai-chat-bubble:hover {
    transform: scale(1.05);
  }

  .shop-ai-chat-bubble svg {
    width: 30px;
    height: 30px;
    color: black;
  }

  .shop-ai-chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 90vw;
    max-width: 450px;
    height: 70vh;
    height: calc(var(--viewport-height, 100vh) * 0.7);
    max-height: 650px;
    min-height: 350px;
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }
  
  /* Responsive adjustments for smaller screens */
  @media (max-width: 480px) {
    .shop-ai-chat-window {
      position: fixed;
      width: 100vw;
      height: 100vh;
      height: calc(var(--viewport-height, 100vh));
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      max-width: none;
      min-height: 100vh;
      min-height: calc(var(--viewport-height, 100vh));
      border-radius: 0;
    }

    .shop-ai-chat-container {
      bottom: 10px;
      right: 10px;
    }

    .shop-ai-message {
      max-width: 90%;
    }
    
    /* Prevent scrolling on the main page when chat is open */
    body.shop-ai-chat-open {
      overflow: hidden;
      position: fixed;
      width: 100%;
      height: 100%;
    }
    
    .shop-ai-chat-header {
      padding: 12px 16px;
      border-radius: 0;
    }
  }

  .shop-ai-chat-window.active {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
  }
  
  @media (max-width: 480px) {
    .shop-ai-chat-window {
      transform: translateY(100%);
      z-index: 1000001;
      transition: transform 0.4s ease, opacity 0.3s ease;
    }
    
    .shop-ai-chat-window.active {
      transform: translateY(0);
    }
    
    .shop-ai-chat-bubble {
      z-index: 1000000;
      position: relative;
    }
  }

  .shop-ai-chat-header {
    padding: 16px;
    background-color: #FCD703;
    color: black;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .shop-ai-chat-close {
    background: none;
    border: none;
    color: black;
    cursor: pointer;
    font-size: 20px;
    padding: 0;
    line-height: 1;
  }

  .shop-ai-chat-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
  }

  .shop-ai-message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
  }
  
  @media (max-width: 480px) {
    .shop-ai-chat-messages {
      padding: 12px 10px;
    }
    
    .shop-ai-message {
      font-size: 15px;
      padding: 10px 14px;
    }
  }

  .shop-ai-message.assistant {
    align-self: flex-start;
    background-color: #f1f1f1;
    border-bottom-left-radius: 4px;
  }

  .shop-ai-message.assistant a {
    color: #FCD703;
    text-decoration: underline;
    font-weight: 500;
    word-break: break-word;
  }

  .shop-ai-message.assistant a:hover {
    opacity: 0.8;
  }
  
  @media (max-width: 480px) {
    .shop-ai-message.assistant a,
    .shop-ai-message.user a {
      display: inline-block;
      max-width: 100%;
      overflow: hidden;
      text-overflow: ellipsis;
    }
  }
  
  /* List styling for assistant messages */
  .shop-ai-message.assistant ul,
  .shop-ai-message.assistant ol {
    margin: 8px 0;
    padding-left: 24px;
  }
  
  .shop-ai-message.assistant li {
    margin-bottom: 6px;
  }
  
  .shop-ai-message.assistant li:last-child {
    margin-bottom: 0;
  }
  
  /* Nested list styling */
  .shop-ai-message.assistant li > ul,
  .shop-ai-message.assistant li > ol {
    margin-top: 6px;
  }
  
  /* Paragraph styling */
  .shop-ai-message.assistant p {
    margin: 0 0 10px 0;
  }
  
  .shop-ai-message.assistant p:last-child {
    margin-bottom: 0;
  }
  
  /* Bold text styling */
  .shop-ai-message.assistant strong {
    font-weight: 600;
  }

  .shop-ai-message.user {
    align-self: flex-end;
    background-color: #FCD703;
    color: black;
    border-bottom-right-radius: 4px;
  }
  
  .shop-ai-message.user a {
    color: white;
    text-decoration: underline;
    font-weight: 500;
  }

  .shop-ai-message.tool-use {
    align-self: flex-start;
    background-color: #f5f5f5 !important;
    color: #000000 !important;
    border: 1px solid #ddd;
    border-bottom-left-radius: 4px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 13px;
    font-weight: 400;
    max-width: 80%;
  }

  .shop-ai-tool-header {
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }

  .shop-ai-tool-header:hover {
    opacity: 0.8;
  }

  .shop-ai-tool-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .shop-ai-tool-toggle {
    font-size: 12px;
    color: #666;
    user-select: none;
    flex-shrink: 0;
    margin-left: 8px;
  }

  .shop-ai-tool-args {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #ddd;
    font-size: 12px;
    color: #333;
    word-break: break-all;
    display: none;
  }

  .shop-ai-tool-args.expanded {
    display: block;
  }

  .shop-ai-chat-input {
    border-top: 1px solid #e9e9e9;
    padding: 16px;
    display: flex;
    gap: 8px;
    align-items: center;
  }

  .shop-ai-chat-input input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #e9e9e9;
    border-radius: 24px;
    font-size: 14px;
    outline: none;
    min-height: 24px;
  }
  
  @media (max-width: 480px) {
    .shop-ai-chat-input {
      padding: 12px 10px;
    }
    
    .shop-ai-chat-input input {
      padding: 10px 14px;
      font-size: 16px; /* Better for mobile input */
    }
  }

  .shop-ai-chat-input input:focus {
    border-color: #FCD703;
  }

  .shop-ai-chat-send {
    background-color: #FCD703;
    color: black;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  .shop-ai-typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    background-color: #f1f1f1;
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    align-self: flex-start;
    font-size: 14px;
  }

  .shop-ai-typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #606060;
    display: inline-block;
    animation: typing 1.4s infinite both;
  }

  .shop-ai-typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
  }

  .shop-ai-typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
  }

  /* Authentication link styles */
.shop-auth-trigger {
    color: #FCD703;
    text-decoration: underline;
    font-weight: 500;
    cursor: pointer;
  }

  .shop-auth-trigger:hover {
    opacity: 0.8;
  }

  /* Product Section Styling */
  .shop-ai-product-section {
    display: flex;
    flex-direction: column;
    margin: 15px 0;
    width: 100%;
    border-top: 1px solid #eaeaea;
    border-bottom: 1px solid #eaeaea;
    padding: 10px 0;
  }
  
  /* Product Header Styling */
  .shop-ai-product-header {
    padding: 0 0 10px 5px;
    margin-bottom: 10px;
  }
  
  .shop-ai-product-header h4 {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin: 0;
  }
  
  /* Product Grid Styling */
  .shop-ai-product-grid {
    display: flex;
    flex-direction: row;
    gap: 12px;
    overflow-x: auto;
    padding: 5px 0;
    scrollbar-width: thin;
    width: 100%;
    min-height: 220px;
    background-color: transparent;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Hide scrollbar in webkit browsers */
  .shop-ai-product-grid::-webkit-scrollbar {
    height: 6px;
  }
  
  .shop-ai-product-grid::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
  }
  
  /* Product Card Styling */
  .shop-ai-product-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    min-width: 180px;
    max-width: 180px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    flex-shrink: 0;
    display: block;
    border: 1px solid #eaeaea;
    position: relative;
  }
  
  .shop-ai-product-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  }
  
  /* Product Image Styling */
  .shop-ai-product-image {
    height: 140px;
    width: 100%;
    overflow: hidden;
    background: #f7f7f7;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .shop-ai-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  /* Product Info Styling */
  .shop-ai-product-info {
    padding: 10px;
  }
  
  .shop-ai-product-title {
    margin: 0 0 5px 0;
    font-size: 14px;
    line-height: 1.3;
    font-weight: 500;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .shop-ai-product-price {
    margin: 0 0 10px 0;
    font-size: 14px;
    font-weight: 600;
    color: #FCD703;
  }
  
  /* Add to Cart Button Styling */
  .shop-ai-add-to-cart {
    width: 100%;
    padding: 8px 0;
    background-color: #FCD703;
    color: black;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
  }
  
  .shop-ai-add-to-cart:hover {
    background-color: #e6c200;
  }
  
  /* Responsive adjustments for small screens */
  @media (max-width: 480px) {
    .shop-ai-product-grid {
      flex-direction: column;
      padding: 5px;
      max-height: 60vh;
      overflow-y: auto;
      min-height: auto;
    }
    
    .shop-ai-product-card {
      min-width: 100%;
      max-width: 100%;
      display: flex;
      align-items: center;
      margin-bottom: 8px;
    }
    
    .shop-ai-product-image {
      width: 80px;
      height: 80px;
      flex-shrink: 0;
    }
    
    .shop-ai-product-info {
      flex: 1;
      padding: 5px 10px;
    }
    
    .shop-ai-product-title {
      white-space: normal;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    
    .shop-ai-add-to-cart {
      padding: 6px 0;
      font-size: 12px;
    }
    
    .shop-ai-product-section {
      margin: 10px 0;
      padding: 5px 0;
    }
  }
  
  /* Even smaller screens */
  @media (max-width: 380px) {
    .shop-ai-chat-input input {
      padding: 8px 12px;
    }
    
    .shop-ai-chat-send {
      width: 36px;
      height: 36px;
    }
    
    .shop-ai-message {
      max-width: 95%;
      font-size: 14px;
      padding: 10px 12px;
    }
    
    .shop-ai-chat-header {
      padding: 10px;
    }
  }
  
  @keyframes typing {
    0% {
      opacity: 0.4;
      transform: scale(1);
    }
    50% {
      opacity: 1;
      transform: scale(1.2);
    }
    100% {
      opacity: 0.4;
      transform: scale(1);
    }
  }