/* Styles are inline in the Liquid file */
/* Image Upload Button Styles - Enhanced with !important for Shopify iframe context */
#ai-upload-btn {
  width: 100% !important;
  margin-top: 12px;
  background: linear-gradient(135deg, var(--ai-primary-color) 0%, var(--ai-primary-color-dark) 100%) !important;
  color: white !important;
  border: none !important;
  border-radius: 12px !important;
  padding: 13px 18px !important; /* Increased from 12px 16px for better tap target */
  font-size: 0.9375rem !important; /* 15px - increased from 14px for better readability */
  font-weight: 600 !important; /* Increased from 500 for better prominence */
  cursor: pointer;
  display: flex !important;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  font-family: inherit;
  line-height: 1.4 !important; /* Added for better vertical alignment */
  box-shadow: 0 2px 8px rgba(var(--ai-primary-color-rgb), 0.3);
  /* Ensure visibility in Shopify embedded context */
  opacity: 1 !important;
  visibility: visible !important;
  position: relative !important;
  z-index: 1 !important;
}

#ai-upload-btn:hover { 
  background: linear-gradient(135deg, var(--ai-primary-color-dark) 0%, var(--ai-primary-color) 100%) !important; 
  transform: translateY(-1px); 
  box-shadow:  0 4px 12px rgba(var(--ai-primary-color-rgb), 0.4);
}

#ai-upload-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

#ai-upload-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--ai-primary-color-rgb), 0.2);
}

#ai-upload-btn svg { 
  fill: currentColor;
  flex-shrink: 0;
}

/* Hide file input */
#ai-file-input {
  display: none !important;
}

/* Mobile responsive */
@media (max-width: 768px) {
  #ai-upload-btn {
    padding: 12px 16px !important; /* Increased from 10px 14px for better mobile tap target */
    font-size: 0.875rem !important; /* 14px - increased from 13px for better mobile readability */
    margin-top: 10px;
  }

  #ai-upload-btn svg {
    width: 18px;
    height: 18px;
  }
}

#ai-sales-assistant-container {
  position: fixed;
  z-index: 999999;
  bottom: 20px;
  right: 20px;
}
#ai-sales-assistant-container.position-bottom-left {
  right: auto;
  left: 20px;
}
#ai-sales-assistant-container.position-top-right {
  bottom: auto;
  top: 20px;
}
#ai-sales-assistant-container.position-top-left {
  bottom: auto;
  top: 20px;
  right: auto;
  left: 20px;
}
#ai-sales-assistant-container.position-center-right {
  bottom: auto;
  top: 50%;
  transform: translateY(-50%);
}
#ai-sales-assistant-container.position-center-left {
  bottom: auto;
  top: 50%;
  right: auto;
  left: 20px;
  transform: translateY(-50%);
}
.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;
}
.ai-sales-assistant-widget {
  /* Modern Typography Scale - Enhanced for improved readability and accessibility */
  --font-size-xs: 0.8125rem;   /* 13px - up from 12px for better legibility */
  --font-size-sm: 0.9375rem;   /* 15px - up from 14px for improved readability */
  --font-size-base: 1rem;      /* 16px - baseline standard */
  --font-size-md: 1.1875rem;   /* 19px - up from 18px for better hierarchy */
  --font-size-button: 1rem;    /* 16px - dedicated button font size for prominence */
  --font-size-lg: 1.375rem;    /* 22px - up from 20px for prominent headings */
  --font-size-xl: 1.75rem;     /* 28px - unchanged */
  --font-size-2xl: 2.375rem;   /* 38px - unchanged */
  /* Refined Spacing System */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.5rem;   /* 24px */
  --space-6: 2rem;     /* 32px */
  --space-7: 3rem;     /* 48px */
  --space-8: 4rem;     /* 64px */
  /* Touch Targets */
  --touch-target-min: 44px;
  --touch-target-comfortable: 44px;
  /* Modern Neutral Color Palette */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-tertiary: #f3f4f6;
  --color-bg-elevated: #ffffff;
  --color-text-primary: #111827;
  --color-text-secondary: #4b5563;
  --color-text-tertiary: #6b7280;
  --color-text-inverse: #ffffff;
  --color-border-light: #f3f4f6;
  --color-border-medium: #e5e7eb;
  --color-border-strong: #d1d5db;
  /* Modern Accent Colors - Clean Blue */
  --color-accent: oklch(0.6 0.2 250);
  --color-accent-hover: oklch(0.55 0.22 250);
  --color-accent-light: #dbeafe;
  --color-accent-rgb: 59, 130, 246;
  /* Semantic Colors */
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
  /* Modern Focus Ring */
  --focus-ring-color: var(--color-accent);
  --focus-ring-width: 2px;
  --focus-ring-offset: 2px;
  --focus-ring: 0 0 0 var(--focus-ring-offset) var(--color-bg-primary),
                0 0 0 calc(var(--focus-ring-offset) + var(--focus-ring-width)) var(--focus-ring-color);
  /* Smooth Spring Animations */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-spring: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  /* Modern Elevation Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 20px 40px -12px rgba(0, 0, 0, 0.12);
  /* Modern Border Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;
  position: fixed;
  z-index: 1000;
  /* Modern Professional Font Stack - Prioritizes latest system fonts */
  font-family: 'SF Pro Display', 'SF Pro Text', -apple-system, BlinkMacSystemFont,
               'Segoe UI Variable', 'Segoe UI', system-ui,
               'Inter', 'Helvetica Neue', 'Arial Nova', Arial,
               sans-serif;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
  text-rendering: optimizeLegibility;
}
.ai-sales-assistant-widget.position-bottom-right {
  bottom: 20px;
  right: 20px;
}
.ai-sales-assistant-widget.position-bottom-left {
  bottom: 20px;
  left: 20px;
}
.ai-sales-assistant-widget.position-top-right {
  top: 20px;
  right: 20px;
}
.ai-sales-assistant-widget.position-top-left {
  top: 20px;
  left: 20px;
}
.ai-sales-assistant-widget.position-center-right {
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
}
.ai-sales-assistant-widget.position-center-left {
  top: 50%;
  left: 20px;
  transform: translateY(-50%);
}
.ai-chat-toggle {
  min-width: var(--touch-target-comfortable);
  min-height: var(--touch-target-comfortable);
  background: linear-gradient(135deg, var(--ai-primary-color, #3b82f6) 0%, var(--ai-primary-color-dark, #2563eb) 100%);
  border: none;
  border-radius: var(--radius-full);
  color: #000000 !important;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm); /* Now 15px (up from 14px) for better readability */
  font-weight: 600;
  box-shadow: var(--shadow-lg), 0 4px 20px rgba(var(--ai-primary-color-rgb), 0.3);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  animation: gentleFloat 4s ease-in-out infinite;
}
.ai-chat-toggle:focus {
  outline: none;
  box-shadow: var(--focus-ring), 0 4px 20px rgba(var(--ai-primary-color-rgb), 0.3);
}
.ai-chat-toggle:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring), var(--shadow-xl), 0 4px 20px rgba(var(--ai-primary-color-rgb), 0.4);
}
.ai-chat-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}
.ai-chat-toggle:hover::before {
  left: 100%;
}
.ai-chat-toggle:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-xl), 0 8px 30px rgba(var(--ai-primary-color-rgb), 0.4);
  background: linear-gradient(135deg, var(--ai-primary-color-dark, #2563eb) 0%, var(--ai-primary-color, #3b82f6) 100%);
}
.ai-chat-toggle:active {
  transform: translateY(0) scale(0.98);
  transition: all var(--transition-fast);
}
.ai-chat-toggle .button-text {
  white-space: nowrap;
  font-weight: 600;
  letter-spacing: 0.01em;
}
@keyframes gentleFloat {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-4px);
  }
}
.ai-chat-window {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 400px;
  height: 650px; /* Increased from 600px to accommodate upload button */
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-2xl), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  display: none;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "header"
    "messages"
    "input";
  overflow: hidden;
  max-height: 650px; /* Increased from 600px */
  min-height: 650px; /* Increased from 600px */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(15px) scale(0.96);
  transition:
    opacity var(--transition-smooth),
    visibility var(--transition-smooth),
    transform var(--transition-bounce);
}
.ai-chat-window.ai-chat-open {
  display: grid !important;
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: translateY(0) scale(1);
}
.ai-sales-assistant-widget.position-bottom-left .ai-chat-window,
.ai-sales-assistant-widget.position-top-left .ai-chat-window,
.ai-sales-assistant-widget.position-center-left .ai-chat-window {
  right: auto;
  left: 0;
}
.ai-sales-assistant-widget.position-top-right .ai-chat-window,
.ai-sales-assistant-widget.position-top-left .ai-chat-window {
  bottom: auto;
  top: 70px;
}
.ai-sales-assistant-widget.position-center-right .ai-chat-window,
.ai-sales-assistant-widget.position-center-left .ai-chat-window {
  bottom: auto;
  top: 50%;
  transform: translateY(-50%);
}
.ai-chat-header {
  position: relative;
  background: linear-gradient(135deg, var(--ai-primary-color, #3b82f6) 0%, var(--ai-primary-color-dark, #2563eb) 100%);
  color: #000000 !important;
  padding: var(--space-6) var(--space-5) var(--space-3) var(--space-5);
  overflow: visible;
  min-height: 110px;
  z-index: 1;
  box-sizing: border-box;
  grid-area: header !important;
  box-shadow: 0 2px 12px rgba(var(--ai-primary-color-rgb, 59, 130, 246), 0.15);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.chat-header-content {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header-info {
  flex: 1;
}
.header-info h3 {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--font-size-lg); /* Now 22px (up from 20px) for better prominence */
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3; /* Added for better vertical rhythm */
}
.header-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs); /* Now 13px (up from 12px) for better legibility */
  opacity: 0.95; /* Increased from 0.9 for better visibility */
}
.status-dot {
  width: 6px;
  height: 6px;
  background: var(--color-success);
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2), 0 0 6px rgba(16, 185, 129, 0.4);
  animation: statusPulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
.status-text {
  font-size: var(--font-size-sm); /* Now 15px (up from 14px) for better readability */
  font-weight: 600; /* Increased from 500 for better prominence */
}
@keyframes statusPulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.2);
  }
}
/* Curvy bottom for header */
.header-curve {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 40px;
  z-index: 1;
  display: block;
}
/* Accessibility - Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .status-dot,
  .ai-chat-toggle {
    animation: none !important;
    transition: none !important;
  }

  /* Loading dots are handled by JavaScript to work with inline !important styles */
}

/* Loading dot animation - Ensure proper rendering */
.ai-loading-dot {
  display: inline-block !important;
  will-change: transform, opacity;
}

.ai-chat-close {
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-text-inverse);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-smooth);
}
.ai-chat-close:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.3);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
}
.ai-chat-close:focus-visible {
  outline: none;
  background: rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.6);
}
.ai-chat-close svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-smooth);
}
.ai-chat-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}
.ai-chat-close:hover svg {
  transform: rotate(90deg);
}
.ai-chat-close:active {
  transform: scale(0.95);
  transition: all var(--transition-fast);
}
.ai-chat-messages-container {
  grid-area: messages !important;
  overflow: hidden;
  background: white;
  box-sizing: border-box;
  height: 100%;
  width: 100%;
}
.ai-chat-messages {
  padding: 1rem; /* Reduced padding for more width */
  overflow-y: auto !important;
  overflow-x: hidden !important;
  display: flex;
  flex-direction: column !important;
  align-items: flex-start !important; /* Allow messages to align individually */
  justify-content: flex-start !important;
  gap: 0 !important;
  scroll-behavior: smooth;
  height: 100% !important;
  width: 100% !important;
  box-sizing: border-box !important;
  background: white;
}
.ai-chat-messages::-webkit-scrollbar {
  width: 6px;
}
.ai-chat-messages::-webkit-scrollbar-track {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  margin: var(--space-2) 0;
}
.ai-chat-messages::-webkit-scrollbar-thumb {
  background: var(--ai-primary-color);
  border-radius: var(--radius-full);
  transition: all var(--transition-smooth);
}
.ai-chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--ai-primary-color-dark);
}
.ai-chat-messages {
  scrollbar-width: thin;
  scrollbar-color: var(--ai-primary-color) var(--color-bg-tertiary);
}
#ai-chat-messages .ai-message,
.ai-chat-messages .ai-message,
.ai-chat-messages-container .ai-message {
  margin: 0 0 16px 0 !important;
  display: block !important;
  box-sizing: border-box !important;
}
.ai-welcome-message {
  max-width: 100% !important;
  width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
}
#ai-chat-messages .ai-message:last-child,
.ai-chat-messages .ai-message:last-child,
.ai-chat-messages-container .ai-message:last-child {
  margin-bottom: 8px !important; /* Small bottom margin for last message */
}
.ai-sales-assistant-widget .ai-chat-messages .ai-message {
  margin-bottom: 16px !important;
  margin-top: 0 !important;
}
.ai-message.user-message {
  max-width: 75% !important;
  width: fit-content !important;
  margin-left: auto !important;
  margin-right: 12px !important;
  margin-bottom: 16px !important;
  align-self: flex-end !important; /* Align to right */
}
.ai-message.assistant-message:not(.products-grid-container):not(.ai-welcome-message) {
  max-width: 75% !important;
  width: fit-content !important;
  margin-left: 12px !important;
  margin-right: auto !important;
  margin-bottom: 16px !important;
  align-self: flex-start !important; /* Align to left */
}
.ai-message.product-recommendation {
  margin-top: 0 !important; /* Use consistent margin pattern */
  margin-bottom: 12px !important; /* Consistent with other messages */
}
.product-content {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
}
.clickable-product {
  user-select: none;
}
.clickable-product:active {
  transform: scale(0.98) !important;
}
.message-content {
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm); /* Now 15px (up from 14px) for better readability */
  line-height: 1.65; /* Increased from 1.6 for improved text flow */
  word-wrap: break-word !important;
  word-break: break-word !important;
  overflow-wrap: break-word !important;
  hyphens: auto;
  max-width: 100% !important;
  white-space: normal !important;
  box-sizing: border-box !important;
  overflow: visible !important;
  position: relative;
  animation: messageSlideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-align: left; /* Default text alignment */
}
@keyframes messageSlideIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
.user-message .message-content {
  background: linear-gradient(135deg, var(--ai-primary-color, #3b82f6) 0%, var(--ai-primary-color-dark, #2563eb) 100%);
  color: #000000 !important;
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-xs) var(--radius-lg);
  box-shadow: var(--shadow-sm), 0 2px 8px rgba(var(--ai-primary-color-rgb), 0.2);
  margin-left: auto;
}
.assistant-message .message-content {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--radius-xs);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--color-border-light);
}
.ai-loading {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--radius-xs);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4) !important;
  margin-top: 0 !important;
  max-width: 85% !important;
  width: fit-content;
  align-self: center !important; /* CENTER loading indicator */
  display: block !important;
  box-sizing: border-box !important;
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--color-border-light);
}
.loading-dots {
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
}
.loading-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: modernBounce 1.4s cubic-bezier(0.4, 0, 0.2, 1) infinite both;
}
.loading-dots span:nth-child(1) {
  animation-delay: -0.32s;
}
.loading-dots span:nth-child(2) {
  animation-delay: -0.16s;
}
.loading-dots span:nth-child(3) {
  animation-delay: 0s;
}
@keyframes modernBounce {
  0%, 60%, 100% {
    transform: translateY(0) scale(1);
    opacity: 0.6;
  }
  30% {
    transform: translateY(-8px) scale(1.1);
    opacity: 1;
  }
}
.ai-chat-input {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border-medium);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--color-bg-primary) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 10;
  min-height: 150px; /* Increased from 80px to accommodate upload button */
  box-sizing: border-box !important;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  grid-area: input !important;
}
.ai-chat-input-wrapper {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}
.ai-chat-input input {
  flex: 1;
  min-height: var(--touch-target-min);
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border-medium);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm); /* Now 15px (up from 14px) for better readability */
  color: var(--color-text-primary);
  outline: none;
  transition: all var(--transition-smooth);
  background: var(--color-bg-primary);
  font-family: inherit;
  line-height: 1.5; /* Added for better vertical alignment */
}
.ai-chat-input input:focus {
  outline: none;
  border-color: var(--ai-primary-color);
  box-shadow: 0 0 0 3px rgba(var(--ai-primary-color-rgb), 0.1);
  background: var(--color-bg-primary);
}
.ai-chat-input input:focus-visible {
  outline: none;
  border-color: var(--ai-primary-color);
  box-shadow: 0 0 0 3px rgba(var(--ai-primary-color-rgb), 0.15);
}
.ai-chat-input input::placeholder {
  color: var(--color-text-tertiary);
}
/* Send button styles - Only apply to button inside input wrapper */
.ai-chat-input-wrapper button {
  min-width: var(--touch-target-comfortable);
  min-height: var(--touch-target-comfortable);
  width: var(--touch-target-comfortable);
  height: var(--touch-target-comfortable);
  background: linear-gradient(135deg, var(--ai-primary-color) 0%, var(--ai-primary-color-dark) 100%);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-smooth);
  box-shadow: var(--shadow-md), 0 2px 8px rgba(var(--ai-primary-color-rgb), 0.3);
  flex-shrink: 0;
}
.ai-chat-input-wrapper button:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-bg-primary),
              0 0 0 4px var(--ai-primary-color),
              0 2px 8px rgba(var(--ai-primary-color-rgb), 0.3);
}
.ai-chat-input-wrapper button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-bg-primary),
              0 0 0 4px var(--ai-primary-color),
              var(--shadow-lg);
}
.ai-chat-input-wrapper button:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-lg), 0 4px 12px rgba(var(--ai-primary-color-rgb), 0.4);
}
.ai-chat-input-wrapper button:active {
  transform: scale(0.95);
  transition: all var(--transition-fast);
}
.ai-powered-footer {
  text-align: center;
  font-size: var(--font-size-xs); /* Now 13px (up from 12px) for better legibility */
  color: var(--color-text-tertiary);
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0;
  margin: 0;
  opacity: 0.75; /* Slightly increased from 0.7 for better visibility */
}
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-secondary) 0%,
    var(--color-bg-tertiary) 50%,
    var(--color-bg-secondary) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton-message {
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-2);
  border-radius: var(--radius-lg);
  max-width: 80%;
}
.skeleton-line {
  height: 16px;
  margin-bottom: var(--space-1);
}
.skeleton-line:last-child {
  width: 60%;
  margin-bottom: 0;
}
.skeleton-product-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 0;
}
.skeleton-product-image {
  width: 100%;
  height: 180px;
  background: var(--color-bg-secondary);
}
.skeleton-product-content {
  padding: var(--space-2);
}
.skeleton-product-title {
  height: 20px;
  width: 80%;
  margin-bottom: var(--space-2);
}
.skeleton-product-price {
  height: 24px;
  width: 40%;
  margin-bottom: var(--space-1);
}
.skeleton-product-description {
  height: 14px;
  width: 100%;
  margin-bottom: var(--space-1);
}
.suggestion-btn {
  min-height: var(--touch-target-min);
  background: var(--color-bg-primary);
  border: 1.5px solid var(--color-border-medium);
  color: var(--color-text-primary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm); /* Now 15px (up from 14px) for better readability */
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-smooth);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xs);
  line-height: 1.4; /* Added for better vertical rhythm */
}
.suggestion-btn:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.1);
}
.suggestion-btn:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.15);
}
.suggestion-btn:hover {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 4px 12px rgba(var(--color-accent-rgb), 0.2);
}
.suggestion-btn:active {
  transform: translateY(0);
  transition: all var(--transition-fast);
}
.ai-message.products-grid-container,
.products-grid-container {
  width: 100% !important;
  max-width: 100% !important;
  padding: 0 !important;
  margin: 0 0 16px 0 !important;
  box-sizing: border-box !important;
}
.ai-message.assistant-message.products-grid-container {
  width: 100% !important;
  max-width: 100% !important;
  padding: 0 !important;
  margin: 0 0 16px 0 !important;
  box-sizing: border-box !important;
}
.products-grid {
  display: flex !important;
  overflow-x: auto !important;
  overflow-y: hidden !important;
  gap: 12px !important;
  width: 100% !important;
  padding: 12px 0 !important;
  margin: 0 !important;
  box-sizing: border-box !important;
  scroll-snap-type: x mandatory !important;
  -webkit-overflow-scrolling: touch !important;
  scrollbar-width: thin !important;
}
.products-grid::-webkit-scrollbar {
  height: 8px;
}
.products-grid::-webkit-scrollbar-track {
  background: #f3f4f6;
  border-radius: 4px;
  margin: 0 8px;
}
.products-grid::-webkit-scrollbar-thumb {
  background: var(--ai-primary-color);
  border-radius: 4px;
}
.products-grid::-webkit-scrollbar-thumb:hover {
  background: var(--ai-primary-color-dark);
}
/* Compact Product Cards - Horizontal Layout */
.product-card-compact {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 8px;
  gap: 10px;
  min-height: 86px;
  max-height: 86px;
}

.product-card-compact:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  background-color: #fafafa;
}

.product-image-compact {
  width: 70px;
  min-width: 70px;
  height: 70px;
  background-size: cover;
  background-position: center;
  background-color: #f9fafb;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  flex-shrink: 0;
}

/* Responsive adjustments for mobile */
@media (max-width: 480px) {
  .product-card-compact {
    min-height: 80px;
    max-height: 80px;
    padding: 6px;
    gap: 8px;
  }

  .product-image-compact {
    width: 64px;
    min-width: 64px;
    height: 64px;
  }
}

/* Legacy styles - kept for backward compatibility but not actively used */
.product-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-smooth);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  height: auto;
  cursor: pointer;
}
.product-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(var(--color-accent-rgb), 0.1);
  border-color: rgba(var(--color-accent-rgb), 0.3);
}
.product-image {
  width: 100%;
  height: 120px;
  background-size: cover;
  background-position: center;
  background-color: #f8f9fa;
  position: relative;
  flex-shrink: 0;
}
.product-details {
  padding: 12px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.product-title {
  margin: 0 0 6px 0;
  font-size: 0.9375rem; /* 15px - increased from 14px for better readability */
  font-weight: 600;
  color: #1f2937;
  line-height: 1.4; /* Increased from 1.3 for better readability */
}
.product-price {
  font-size: 1rem; /* 16px - increased from 15px for better prominence */
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.01em; /* Adjusted for larger size */
}
.relevance-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 1;
  letter-spacing: 0.3px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}
.ai-welcome-container {
  width: 100%;
  max-width: none !important;
}
.ai-welcome-screen {
  padding: 0 !important; /* Remove padding */
  display: flex !important;
  flex-direction: column !important;
  gap: 18px;
  animation: fadeIn 0.4s ease;
  width: 100% !important;
  max-width: 100% !important;
  margin: 0 !important;
  box-sizing: border-box !important;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.welcome-header {
  text-align: center;
  margin-bottom: 0;
  width: 100%;
  padding: 0 !important;
}
.welcome-title {
  font-size: var(--font-size-md); /* Now 19px (up from 18px) */
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
  line-height: 1.5; /* Increased from 1.4 for better readability */
  text-align: center; /* Center the title text */
}
.quick-actions-section {
  margin-bottom: var(--space-4);
  width: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  padding: 0 !important;
}

.section-label {
  font-size: 0.8125rem; /* 13px - increased from 12px for better readability */
  font-weight: 700; /* Increased from 600 for better visual hierarchy */
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em; /* Increased for better letter spacing in uppercase */
  margin-bottom: var(--space-3);
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: var(--space-2);
  width: 100% !important;
  text-align: center !important;
}

.quick-actions-grid {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
  width: 100% !important;
  max-width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  justify-content: center !important;
}

.quick-action-btn {
  background: var(--color-bg-primary);
  border: 1.5px solid var(--ai-primary-color);
  border-radius: var(--radius-full);
  padding: 12px 20px; /* Increased for better prominence and tap targets */
  display: inline-flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px; /* Increased from 6px for better icon-text spacing */
  font-size: var(--font-size-button); /* 16px - significantly increased for better readability */
  font-weight: 600; /* Increased from 500 for better prominence */
  color: var(--ai-primary-color);
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  text-align: center !important;
  line-height: 1.4; /* Increased from 1.3 for better vertical rhythm */
  box-shadow: none;
  min-height: auto;
  width: auto !important;
  max-width: none !important;
  white-space: nowrap;
}

.quick-action-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--ai-primary-color);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  z-index: 0;
}

.quick-action-btn:hover::before {
  opacity: 1;
}

.quick-action-btn:hover {
  border-color: var(--ai-primary-color);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(var(--ai-primary-color-rgb), 0.15);
}

.quick-action-btn:hover .quick-action-text,
.quick-action-btn:hover .quick-action-icon {
  color: white;
}

.quick-action-btn:active {
  transform: translateY(0);
  transition: all var(--transition-fast);
}
.quick-action-icon {
  width: 18px; /* Increased from 16px to match larger button text */
  height: 18px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px; /* Increased from 15px for better proportions */
  position: relative;
  z-index: 1;
  transition: all var(--transition-smooth);
  color: var(--ai-primary-color);
}

.quick-action-text {
  position: relative;
  z-index: 1;
  transition: color var(--transition-smooth);
  word-wrap: normal;
  max-width: none;
  color: var(--color-text-primary);
  font-weight: 500;
}

@media (max-width: 768px) {
  /* ========================================
     FULL-SCREEN MOBILE LAYOUT (768px and below)
     ======================================== */

  .ai-chat-window {
    width: 100vw !important;
    height: 100vh !important;
    max-width: 100vw !important;
    max-height: 100vh !important;
    min-height: 100vh !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    top: 0 !important;
    border-radius: 0 !important;
    border: none !important;
  }

  /* Override all position variants to be full-screen */
  .ai-sales-assistant-widget.position-bottom-left .ai-chat-window,
  .ai-sales-assistant-widget.position-top-left .ai-chat-window,
  .ai-sales-assistant-widget.position-center-left .ai-chat-window,
  .ai-sales-assistant-widget.position-bottom-right .ai-chat-window,
  .ai-sales-assistant-widget.position-top-right .ai-chat-window,
  .ai-sales-assistant-widget.position-center-right .ai-chat-window {
    width: 100vw !important;
    height: 100vh !important;
    max-width: 100vw !important;
    max-height: 100vh !important;
    left: 0 !important;
    right: 0 !important;
    top: 0 !important;
    bottom: 0 !important;
    transform: none !important;
    border-radius: 0 !important;
  }

  /* Mobile-specific slide-in animation */
  .ai-chat-window {
    transform: translateY(100%) !important;
  }

  .ai-chat-window.ai-chat-open {
    transform: translateY(0) !important;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  /* ========================================
     HEADER - Mobile Optimization
     ======================================== */

  .ai-chat-header {
    padding: 20px 16px 20px 16px;
    min-height: 100px;
    border-radius: 0 !important;
    /* Add safe area for notch */
    padding-top: max(20px, env(safe-area-inset-top));
  }

  .header-info h3 {
    font-size: 1.0625rem; /* 17px - increased from 16px for better mobile readability */
    font-weight: 700; /* Increased from 600 for better visual hierarchy */
    margin-bottom: 8px;
    line-height: 1.3;
  }

  .header-status {
    font-size: 0.8125rem; /* 13px - now using rem for consistency */
    margin-top: 4px;
  }

  /* Close button - Larger tap target */
  .ai-chat-close {
    min-width: 44px !important;
    min-height: 44px !important;
    width: 44px;
    height: 44px;
    border-radius: 50%;
  }

  .ai-chat-close svg {
    width: 20px;
    height: 20px;
  }

  /* ========================================
     WELCOME MESSAGE - Better Spacing
     ======================================== */

  .ai-welcome-screen {
    padding: 20px 16px !important;
    gap: 20px;
  }

  .welcome-header {
    padding: 0 !important;
    margin-bottom: 4px;
  }

  .welcome-title {
    font-size: 1.0625rem; /* 17px - increased from 16px for better mobile readability */
    line-height: 1.65; /* Improved from 1.6 for better text flow */
    font-weight: 700; /* Increased from 600 for better visual hierarchy */
    padding: 0 8px;
  }

  /* ========================================
     QUICK REPLY BUTTONS - Mobile Optimized
     ======================================== */

  .quick-actions-section {
    margin-bottom: 16px;
    padding: 0 !important;
  }

  .section-label {
    font-size: 0.6875rem; /* 11px - kept same but now using rem for consistency */
    font-weight: 700; /* Increased from 600 for better visual hierarchy */
    margin-bottom: 12px;
    letter-spacing: 0.06em; /* Using em for proportional spacing */
  }

  .quick-actions-grid {
    gap: 8px !important;
    justify-content: center !important;
  }

  .quick-action-btn {
    padding: 12px 20px; /* Increased for better mobile tap targets */
    font-size: 0.9375rem; /* 15px - significantly increased from 13px for better mobile readability */
    font-weight: 600; /* Explicitly set for mobile context */
    gap: 8px; /* Increased for better icon-text spacing */
    border-radius: 22px; /* Slightly increased for better proportions */
    min-height: 44px; /* Increased to iOS minimum tap target (44px) */
  }

  .quick-action-icon {
    width: 18px; /* Increased from 16px for better visibility */
    height: 18px;
    font-size: 16px; /* Increased from 13px for better proportions */
  }

  /* ========================================
     INPUT FIELD - Safe Area & Mobile Keyboard
     ======================================== */

  .ai-chat-input {
    padding: 12px 16px;
    padding-bottom: max(12px, env(safe-area-inset-bottom));
    min-height: 150px; /* Increased to accommodate upload button */
  }

  .ai-chat-input input {
    padding: 12px 16px;
    font-size: 16px; /* Prevents iOS zoom on focus */
    min-height: 44px;
    border-radius: 24px;
  }

  /* Send button - Apple minimum tap target */
  .ai-chat-input-wrapper button {
    width: 44px !important;
    height: 44px !important;
    min-width: 44px !important;
    min-height: 44px !important;
    flex-shrink: 0;
  }

  .ai-chat-input-wrapper button svg {
    width: 22px;
    height: 22px;
  }

  /* ========================================
     FOOTER - Safe Area for Home Indicator
     ======================================== */

  .ai-powered-footer {
    padding-bottom: max(0px, calc(env(safe-area-inset-bottom) - 12px));
    font-size: 11px;
  }
  /* ========================================
     TOGGLE BUTTON - Hide text on mobile
     ======================================== */

  .ai-chat-toggle {
    padding: var(--space-3) var(--space-4);
  }

  .ai-chat-toggle .button-text {
    display: none;
  }

  /* ========================================
     MESSAGES - Better mobile sizing
     ======================================== */

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

  .message-content {
    font-size: 0.9375rem; /* 15px - increased from 14px for better mobile readability */
    padding: 12px 16px; /* Increased from 10px 14px for better spacing */
    line-height: 1.65; /* Improved from 1.6 for better text flow */
  }

  /* ========================================
     PRODUCT CARDS - Mobile scrollable
     ======================================== */

  .products-grid {
    display: flex !important;
    overflow-x: auto !important;
    gap: 10px !important;
    scroll-snap-type: x mandatory !important;
  }

  .product-card {
    min-width: 160px !important;
    max-width: 160px !important;
    flex-shrink: 0 !important;
    scroll-snap-align: start !important;
    flex-direction: column !important;
    height: auto !important;
  }

  .product-image {
    width: 100% !important;
    height: 100px !important;
  }

  .product-details {
    padding: 10px;
    flex-grow: 1;
  }

  .product-title {
    font-size: 0.875rem; /* 14px - increased from 13px for better mobile readability */
    -webkit-line-clamp: 2;
    margin-bottom: 4px;
    min-height: 32px;
    line-height: 1.4;
  }

  .product-price {
    font-size: 1rem; /* 16px - maintained for mobile prominence */
    font-weight: 700;
  }

  .product-description {
    font-size: 11px;
    -webkit-line-clamp: 2;
    margin-bottom: 6px;
  }

  .product-action-button {
    padding: 8px;
    font-size: 12px;
  }

  .relevance-badge {
    top: 4px;
    right: 4px;
    padding: 2px 6px;
    font-size: 10px;
  }

  .product-category {
    font-size: 10px;
    padding: 1px 6px;
  }

  .product-tag {
    font-size: 9px;
    padding: 1px 4px;
  }

  /* ========================================
     SUGGESTION BUTTONS
     ======================================== */

  .suggestion-btn {
    font-size: 0.875rem; /* 14px - increased from 12px for better mobile readability */
    padding: 11px 18px; /* Increased from 10px 16px for better tap targets */
    min-height: 40px; /* Added for consistent tap target size */
  }
}
@media (min-width: 1025px) {
  .ai-chat-window {
    width: 400px;
    height: 650px; /* Increased to accommodate upload button */
  }
}

/* ========================================
   DESKTOP READABILITY IMPROVEMENTS
   Tablet and Desktop (769px and above)
   ======================================== */
@media (min-width: 769px) {
  /* Enhanced welcome message for desktop prominence */
  .welcome-title {
    font-size: 1.25rem; /* 20px - increased for better desktop hierarchy */
    line-height: 1.5;
  }

  /* Message content inherits improved base font size (15px from --font-size-sm) */
  .message-content {
    line-height: 1.7; /* Further improved for comfortable desktop reading */
    padding: var(--space-4) var(--space-5); /* More generous desktop padding */
  }

  /* Product card text improvements */
  .product-title {
    font-size: 0.9375rem; /* 15px - maintains improved readability */
    line-height: 1.4;
  }

  .product-price {
    font-size: 1.0625rem; /* 17px - increased from 16px for better prominence */
    font-weight: 700;
  }

  /* Button text improvements - inherits base improvements but with desktop refinements */
  .suggestion-btn,
  .quick-action-btn {
    padding: 12px 22px; /* More generous desktop padding for better prominence */
    font-size: var(--font-size-button); /* Explicitly set to 16px for clarity */
  }

  /* Input placeholder desktop optimization */
  .ai-chat-input input {
    font-size: 0.9375rem; /* 15px - ensures consistency with message text */
  }

  /* Section labels - slightly larger on desktop */
  .section-label {
    font-size: 0.8125rem; /* 13px - matches improved base size for better readability */
    letter-spacing: 0.1em; /* Increased for better desktop spacing */
  }
}

/* Modern Loading Animation Styles */
.ai-loading-dots-container {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  min-height: 24px;
}

.ai-loading-dot {
  width: 10px;
  height: 10px;
  background: var(--ai-primary-color, #3b82f6);
  border-radius: 50%;
  /* animation removed - now set via inline JS to avoid conflicts */
  box-shadow: 0 2px 4px rgba(var(--ai-primary-color-rgb, 59, 130, 246), 0.3);
}

.ai-loading-dot:nth-child(1) {
  animation-delay: 0s;
}

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

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

/* Smooth bouncing animation */
@keyframes modernDotBounce {
  0%, 60%, 100% {
    transform: translateY(0) scale(1);
    opacity: 0.7;
  }
  30% {
    transform: translateY(-12px) scale(1.2);
    opacity: 1;
  }
}

/* Respect reduced motion preferences - consolidated with main media query above */