/* AI Chat Support - Elegant & Accessible Frontend Styles */

:root {
    /* Primary Colors - WCAG AA compliant */
    --ai-chat-primary: #2563eb;
    --ai-chat-primary-dark: #1e40af;
    --ai-chat-primary-light: #3b82f6;
    --ai-chat-primary-hover: #1d4ed8;
    
    /* Background Colors */
    --ai-chat-bg: #ffffff;
    --ai-chat-bg-secondary: #f8fafc;
    --ai-chat-bg-tertiary: #f1f5f9;
    
    /* Text Colors - High contrast for accessibility */
    --ai-chat-text: #0f172a;
    --ai-chat-text-secondary: #475569;
    --ai-chat-text-tertiary: #64748b;
    --ai-chat-text-inverse: #ffffff;
    
    /* Border & Divider */
    --ai-chat-border: #e2e8f0;
    --ai-chat-border-light: #f1f5f9;
    --ai-chat-divider: #e2e8f0;
    
    /* Status Colors */
    --ai-chat-success: #10b981;
    --ai-chat-error: #ef4444;
    --ai-chat-warning: #f59e0b;
    
    /* Shadows - Subtle and elegant */
    --ai-chat-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --ai-chat-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --ai-chat-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --ai-chat-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --ai-chat-shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --ai-chat-radius-sm: 6px;
    --ai-chat-radius: 12px;
    --ai-chat-radius-md: 16px;
    --ai-chat-radius-lg: 20px;
    --ai-chat-radius-full: 9999px;
    
    /* Spacing Scale */
    --ai-chat-space-xs: 4px;
    --ai-chat-space-sm: 8px;
    --ai-chat-space-md: 12px;
    --ai-chat-space-lg: 16px;
    --ai-chat-space-xl: 20px;
    --ai-chat-space-2xl: 24px;
    --ai-chat-space-3xl: 32px;
    
    /* Typography */
    --ai-chat-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --ai-chat-font-size-xs: 0.75rem;    /* 12px */
    --ai-chat-font-size-sm: 0.875rem;   /* 14px */
    --ai-chat-font-size-base: 1rem;     /* 16px */
    --ai-chat-font-size-lg: 1.125rem;   /* 18px */
    --ai-chat-font-size-xl: 1.25rem;   /* 20px */
    --ai-chat-font-size-2xl: 1.5rem;    /* 24px */
    
    /* Line Heights - Optimal for readability */
    --ai-chat-line-height-tight: 1.25;
    --ai-chat-line-height-normal: 1.5;
    --ai-chat-line-height-relaxed: 1.75;
    
    /* Transitions */
    --ai-chat-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --ai-chat-transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --ai-chat-transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout: FAB + panel offset (single source for clearance above toggle) */
    --ai-chat-fab-size: 64px;
    --ai-chat-panel-offset-bottom: 80px;
}

/* Base Styles */
.ai-chat-widget {
    position: fixed;
    z-index: 9999;
    font-family: var(--ai-chat-font-family);
    font-size: var(--ai-chat-font-size-base);
    line-height: var(--ai-chat-line-height-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.ai-chat-widget.ai-chat-bottom-right {
    bottom: max(var(--ai-chat-space-2xl), env(safe-area-inset-bottom, 0px));
    right: max(var(--ai-chat-space-2xl), env(safe-area-inset-right, 0px));
    left: auto;
}

.ai-chat-widget.ai-chat-bottom-left {
    bottom: max(var(--ai-chat-space-2xl), env(safe-area-inset-bottom, 0px));
    left: max(var(--ai-chat-space-2xl), env(safe-area-inset-left, 0px));
    right: auto;
}

/* Toggle Button - Enhanced for accessibility */
.ai-chat-toggle {
    width: var(--ai-chat-fab-size);
    height: var(--ai-chat-fab-size);
    background: var(--ai-chat-primary);
    border-radius: var(--ai-chat-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ai-chat-text-inverse);
    cursor: pointer;
    box-shadow: var(--ai-chat-shadow-lg);
    transition: all var(--ai-chat-transition-base);
    position: relative;
    border: none;
    outline: none;
}

.ai-chat-toggle:hover {
    background: var(--ai-chat-primary-hover);
    transform: scale(1.05);
    box-shadow: var(--ai-chat-shadow-xl);
}

.ai-chat-toggle:focus-visible {
    outline: 3px solid var(--ai-chat-primary);
    outline-offset: 4px;
}

.ai-chat-toggle:active {
    transform: scale(0.98);
}

.ai-chat-toggle svg {
    width: 28px;
    height: 28px;
}

/* Badge - Improved visibility */
.ai-chat-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--ai-chat-error);
    color: var(--ai-chat-text-inverse);
    border-radius: var(--ai-chat-radius-full);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--ai-chat-font-size-xs);
    font-weight: 700;
    border: 3px solid var(--ai-chat-bg);
    box-shadow: var(--ai-chat-shadow-sm);
}

/* Proactive message preview (shown by triggers without opening the full panel) */
.ai-chat-proactive-preview {
    max-width: min(320px, calc(100vw - 48px));
    margin-bottom: var(--ai-chat-space-md);
    background: var(--ai-chat-bg);
    border: 1px solid var(--ai-chat-border);
    border-radius: var(--ai-chat-radius-md);
    box-shadow: var(--ai-chat-shadow-lg);
    position: relative;
    z-index: 10000;
    pointer-events: auto;
}

.ai-chat-proactive-preview[hidden] {
    display: none !important;
}

.ai-chat-proactive-preview:not([hidden]) {
    animation: ai-chat-proactive-in 0.28s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes ai-chat-proactive-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ai-chat-proactive-preview-inner {
    padding: var(--ai-chat-space-2xl) var(--ai-chat-space-lg) var(--ai-chat-space-lg);
    position: relative;
}

.ai-chat-proactive-close {
    position: absolute;
    top: var(--ai-chat-space-sm);
    right: var(--ai-chat-space-sm);
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--ai-chat-text-secondary);
    cursor: pointer;
    border-radius: var(--ai-chat-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--ai-chat-font-size-xl);
    line-height: 1;
    transition: background var(--ai-chat-transition-fast), color var(--ai-chat-transition-fast);
}

.ai-chat-proactive-close:hover {
    background: var(--ai-chat-bg-secondary);
    color: var(--ai-chat-text);
}

.ai-chat-proactive-close:focus-visible {
    outline: 2px solid var(--ai-chat-primary);
    outline-offset: 2px;
}

.ai-chat-proactive-text {
    margin: 0 0 var(--ai-chat-space-md) 0;
    font-size: var(--ai-chat-font-size-sm);
    color: var(--ai-chat-text);
    line-height: var(--ai-chat-line-height-relaxed);
}

.ai-chat-proactive-open {
    width: 100%;
    padding: var(--ai-chat-space-sm) var(--ai-chat-space-lg);
    border: none;
    border-radius: var(--ai-chat-radius);
    background: var(--ai-chat-primary);
    color: var(--ai-chat-text-inverse);
    font-size: var(--ai-chat-font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--ai-chat-transition-base);
}

.ai-chat-proactive-open:hover {
    background: var(--ai-chat-primary-hover);
}

.ai-chat-proactive-open:focus-visible {
    outline: 3px solid var(--ai-chat-primary);
    outline-offset: 2px;
}

.ai-chat-widget.ai-chat-bottom-right .ai-chat-proactive-preview {
    margin-left: auto;
    margin-right: 0;
}

.ai-chat-widget.ai-chat-bottom-left .ai-chat-proactive-preview {
    margin-left: 0;
    margin-right: auto;
}

/* Chat Container - Refined spacing and shadows */
.ai-chat-container {
    position: absolute;
    bottom: var(--ai-chat-panel-offset-bottom);
    width: 400px;
    max-width: calc(100vw - 40px);
    height: 640px;
    max-height: calc(100vh - 140px);
    max-height: calc(100dvh - 140px);
    background: var(--ai-chat-bg);
    border-radius: var(--ai-chat-radius-lg);
    box-shadow: var(--ai-chat-shadow-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px) scale(0.96);
    transition: all var(--ai-chat-transition-slow);
    pointer-events: none;
    border: 1px solid var(--ai-chat-border);
}

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

.ai-chat-widget.ai-chat-bottom-right .ai-chat-container {
    right: 0;
}

.ai-chat-widget.ai-chat-bottom-left .ai-chat-container {
    left: 0;
}

/* Chat Header - Enhanced typography and spacing */
.ai-chat-header {
    background: linear-gradient(135deg, var(--ai-chat-primary) 0%, var(--ai-chat-primary-dark) 100%);
    color: var(--ai-chat-text-inverse);
    padding: var(--ai-chat-space-xl) var(--ai-chat-space-2xl);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--ai-chat-space-sm);
    min-height: 72px;
    box-shadow: var(--ai-chat-shadow-sm);
}

.ai-chat-header-info {
    flex: 1;
    min-width: 0;
}

.ai-chat-header-info h3 {
    margin: 0 0 var(--ai-chat-space-xs) 0;
    font-size: var(--ai-chat-font-size-lg);
    font-weight: 600;
    line-height: var(--ai-chat-line-height-tight);
    color: var(--ai-chat-text-inverse);
    letter-spacing: -0.01em;
}

.ai-chat-status {
    font-size: var(--ai-chat-font-size-xs);
    font-weight: 500;
    opacity: 0.95;
    display: flex;
    align-items: center;
    gap: var(--ai-chat-space-sm);
    line-height: var(--ai-chat-line-height-normal);
}

.ai-chat-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--ai-chat-success);
    border-radius: var(--ai-chat-radius-full);
    display: inline-block;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

.ai-chat-header-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--ai-chat-space-sm);
    margin-left: var(--ai-chat-space-lg);
    justify-content: flex-end;
}

/* Header Buttons - Enhanced accessibility */
.ai-chat-close,
.ai-chat-handoff,
.ai-chat-theme-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--ai-chat-text-inverse);
    cursor: pointer;
    padding: var(--ai-chat-space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--ai-chat-radius-sm);
    transition: all var(--ai-chat-transition-fast);
    outline: none;
    min-width: 36px;
    min-height: 36px;
}

.ai-chat-close:hover,
.ai-chat-handoff:hover,
.ai-chat-theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.ai-chat-close:focus-visible,
.ai-chat-handoff:focus-visible,
.ai-chat-theme-toggle:focus-visible {
    outline: 2px solid var(--ai-chat-text-inverse);
    outline-offset: 2px;
    background: rgba(255, 255, 255, 0.2);
}

.ai-chat-close:active,
.ai-chat-handoff:active,
.ai-chat-theme-toggle:active {
    transform: scale(0.95);
}

/* Quick Replies - Refined design */
.ai-chat-quick-replies {
    padding: var(--ai-chat-space-lg);
    display: flex;
    flex-wrap: wrap;
    gap: var(--ai-chat-space-sm);
    border-top: 1px solid var(--ai-chat-border);
    background: var(--ai-chat-bg-secondary);
}

.ai-chat-quick-reply-btn {
    padding: var(--ai-chat-space-sm) var(--ai-chat-space-lg);
    background: var(--ai-chat-bg);
    border: 1px solid var(--ai-chat-border);
    border-radius: var(--ai-chat-radius-full);
    font-size: var(--ai-chat-font-size-sm);
    font-weight: 500;
    line-height: var(--ai-chat-line-height-normal);
    cursor: pointer;
    transition: all var(--ai-chat-transition-fast);
    color: var(--ai-chat-text);
    outline: none;
}

.ai-chat-quick-reply-btn:hover {
    background: var(--ai-chat-primary);
    color: var(--ai-chat-text-inverse);
    border-color: var(--ai-chat-primary);
    transform: translateY(-1px);
    box-shadow: var(--ai-chat-shadow-sm);
}

.ai-chat-quick-reply-btn:focus-visible {
    outline: 2px solid var(--ai-chat-primary);
    outline-offset: 2px;
}

.ai-chat-quick-reply-btn:active {
    transform: translateY(0);
}

/* Emoji Picker - Enhanced styling */
.ai-chat-emoji-picker {
    position: absolute;
    bottom: 72px;
    left: var(--ai-chat-space-lg);
    right: var(--ai-chat-space-lg);
    background: var(--ai-chat-bg);
    border: 1px solid var(--ai-chat-border);
    border-radius: var(--ai-chat-radius-md);
    padding: var(--ai-chat-space-lg);
    max-height: 240px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: var(--ai-chat-space-sm);
    box-shadow: var(--ai-chat-shadow-lg);
    z-index: 10000;
}

.ai-chat-emoji-picker::-webkit-scrollbar {
    width: 6px;
}

.ai-chat-emoji-picker::-webkit-scrollbar-track {
    background: var(--ai-chat-bg-secondary);
    border-radius: var(--ai-chat-radius-sm);
}

.ai-chat-emoji-picker::-webkit-scrollbar-thumb {
    background: var(--ai-chat-border);
    border-radius: var(--ai-chat-radius-sm);
}

.ai-chat-emoji-picker::-webkit-scrollbar-thumb:hover {
    background: var(--ai-chat-text-tertiary);
}

.ai-chat-emoji-item {
    background: none;
    border: none;
    font-size: 24px;
    padding: var(--ai-chat-space-sm);
    cursor: pointer;
    border-radius: var(--ai-chat-radius-sm);
    transition: all var(--ai-chat-transition-fast);
    outline: none;
    line-height: 1;
}

.ai-chat-emoji-item:hover {
    background: var(--ai-chat-bg-secondary);
    transform: scale(1.1);
}

.ai-chat-emoji-item:focus-visible {
    outline: 2px solid var(--ai-chat-primary);
    outline-offset: 2px;
}

/* Reactions - Improved design */
.ai-chat-reactions {
    display: flex;
    gap: var(--ai-chat-space-sm);
    margin-top: var(--ai-chat-space-md);
    padding-top: var(--ai-chat-space-md);
    border-top: 1px solid var(--ai-chat-border-light);
}

.ai-chat-reaction {
    background: var(--ai-chat-bg-secondary);
    border: 1px solid var(--ai-chat-border);
    border-radius: var(--ai-chat-radius-full);
    padding: var(--ai-chat-space-xs) var(--ai-chat-space-md);
    font-size: var(--ai-chat-font-size-sm);
    cursor: pointer;
    transition: all var(--ai-chat-transition-fast);
    outline: none;
    font-weight: 500;
}

.ai-chat-reaction:hover {
    background: var(--ai-chat-bg-tertiary);
    border-color: var(--ai-chat-primary);
    transform: translateY(-1px);
}

.ai-chat-reaction:focus-visible {
    outline: 2px solid var(--ai-chat-primary);
    outline-offset: 2px;
}

.ai-chat-reaction.active {
    background: var(--ai-chat-primary);
    border-color: var(--ai-chat-primary);
    color: var(--ai-chat-text-inverse);
}

/* Dark Mode - Enhanced contrast */
.ai-chat-dark-mode {
    --ai-chat-bg: #1e293b;
    --ai-chat-bg-secondary: #0f172a;
    --ai-chat-bg-tertiary: #1e293b;
    --ai-chat-text: #f1f5f9;
    --ai-chat-text-secondary: #cbd5e1;
    --ai-chat-text-tertiary: #94a3b8;
    --ai-chat-border: #334155;
    --ai-chat-border-light: #475569;
    --ai-chat-divider: #334155;
}

.ai-chat-dark-mode .ai-chat-container {
    background: var(--ai-chat-bg);
    color: var(--ai-chat-text);
    border-color: var(--ai-chat-border);
}

.ai-chat-dark-mode .ai-chat-message-content {
    background: var(--ai-chat-bg-tertiary);
    color: var(--ai-chat-text);
}

.ai-chat-dark-mode .ai-chat-message-user .ai-chat-message-content {
    background: var(--ai-chat-primary);
    color: var(--ai-chat-text-inverse);
}

.ai-chat-dark-mode .ai-chat-input {
    background: var(--ai-chat-bg-secondary);
    color: var(--ai-chat-text);
    border-color: var(--ai-chat-border);
}

.ai-chat-dark-mode .ai-chat-input-container {
    background: var(--ai-chat-bg);
    border-color: var(--ai-chat-border);
}

.ai-chat-dark-mode .ai-chat-quick-replies {
    background: var(--ai-chat-bg-secondary);
    border-color: var(--ai-chat-border);
}

.ai-chat-dark-mode .ai-chat-quick-reply-btn {
    background: var(--ai-chat-bg-tertiary);
    color: var(--ai-chat-text);
    border-color: var(--ai-chat-border);
}

.ai-chat-dark-mode .ai-chat-emoji-picker {
    background: var(--ai-chat-bg-secondary);
    border-color: var(--ai-chat-border);
}

.ai-chat-dark-mode .ai-chat-emoji-item:hover {
    background: var(--ai-chat-bg-tertiary);
}

.ai-chat-dark-mode .ai-chat-reaction {
    background: var(--ai-chat-bg-tertiary);
    border-color: var(--ai-chat-border);
    color: var(--ai-chat-text);
}

/* Messages Area - Enhanced typography and spacing */
.ai-chat-messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: var(--ai-chat-space-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--ai-chat-space-xl);
    scroll-behavior: smooth;
    background: var(--ai-chat-bg);
}

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

.ai-chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.ai-chat-messages::-webkit-scrollbar-thumb {
    background: var(--ai-chat-border);
    border-radius: var(--ai-chat-radius-sm);
    border: 2px solid transparent;
    background-clip: padding-box;
}

.ai-chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--ai-chat-text-tertiary);
    background-clip: padding-box;
}

/* Message - Refined spacing and typography */
.ai-chat-message {
    display: flex;
    gap: var(--ai-chat-space-md);
    animation: messageSlideIn var(--ai-chat-transition-base) ease-out;
    align-items: flex-start;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Avatar - Enhanced design */
.ai-chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--ai-chat-radius-full);
    background: var(--ai-chat-primary);
    color: var(--ai-chat-text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--ai-chat-shadow-sm);
}

.ai-chat-message-user .ai-chat-avatar {
    background: var(--ai-chat-text-secondary);
}

.ai-chat-avatar svg {
    width: 22px;
    height: 22px;
}

/* Message Content - Enhanced typography */
.ai-chat-message-content {
    max-width: 75%;
    background: var(--ai-chat-bg-secondary);
    padding: var(--ai-chat-space-lg) var(--ai-chat-space-xl);
    border-radius: var(--ai-chat-radius-md);
    line-height: var(--ai-chat-line-height-relaxed);
    color: var(--ai-chat-text);
    font-size: var(--ai-chat-font-size-base);
    box-shadow: var(--ai-chat-shadow-sm);
}

.ai-chat-message-user .ai-chat-message-content {
    background: var(--ai-chat-primary);
    color: var(--ai-chat-text-inverse);
}

.ai-chat-message-content p {
    margin: 0 0 var(--ai-chat-space-sm) 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.ai-chat-message-content p:last-child {
    margin-bottom: 0;
}

.ai-chat-message-content a {
    color: var(--ai-chat-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.ai-chat-message-user .ai-chat-message-content a {
    color: var(--ai-chat-text-inverse);
    opacity: 0.9;
}

.ai-chat-message-content img {
    max-width: 100%;
    border-radius: var(--ai-chat-radius);
    margin-top: var(--ai-chat-space-md);
    box-shadow: var(--ai-chat-shadow-sm);
}

.ai-chat-message-content code {
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: var(--ai-chat-radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.ai-chat-message-user .ai-chat-message-content code {
    background: rgba(255, 255, 255, 0.2);
}

/* Typing Indicator - Enhanced animation */
.ai-chat-typing-indicator {
    display: flex;
    gap: var(--ai-chat-space-md);
    padding: 0 var(--ai-chat-space-2xl) var(--ai-chat-space-xl);
    align-items: center;
}

.ai-chat-typing-dots {
    display: flex;
    gap: var(--ai-chat-space-xs);
    background: var(--ai-chat-bg-secondary);
    padding: var(--ai-chat-space-lg) var(--ai-chat-space-xl);
    border-radius: var(--ai-chat-radius-md);
}

.ai-chat-typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--ai-chat-text-tertiary);
    border-radius: var(--ai-chat-radius-full);
    animation: typingDot 1.4s ease-in-out infinite;
}

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

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

@keyframes typingDot {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* Laravel / Worksuite support ticket (from chat) */
.ai-chat-ticket-section {
    padding: var(--ai-chat-space-lg) var(--ai-chat-space-xl);
    border-top: 1px solid var(--ai-chat-border);
    background: var(--ai-chat-bg-secondary);
}

.ai-chat-ticket-heading {
    margin: 0 0 var(--ai-chat-space-md) 0;
    font-size: var(--ai-chat-font-size-sm);
    font-weight: 600;
    color: var(--ai-chat-text);
}

.ai-chat-ticket-fields {
    display: flex;
    flex-direction: column;
    gap: var(--ai-chat-space-sm);
    margin-bottom: var(--ai-chat-space-md);
}

.ai-chat-ticket-label {
    font-size: var(--ai-chat-font-size-xs);
    font-weight: 600;
    color: var(--ai-chat-text-secondary);
}

.ai-chat-ticket-input,
.ai-chat-ticket-textarea {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: var(--ai-chat-space-sm) var(--ai-chat-space-md);
    border: 1px solid var(--ai-chat-border);
    border-radius: var(--ai-chat-radius-sm);
    font-size: var(--ai-chat-font-size-sm);
    font-family: inherit;
    background: var(--ai-chat-bg);
    color: var(--ai-chat-text);
}

.ai-chat-ticket-textarea {
    resize: vertical;
    min-height: 72px;
}

.ai-chat-ticket-input:focus-visible,
.ai-chat-ticket-textarea:focus-visible {
    outline: 2px solid var(--ai-chat-primary);
    outline-offset: 1px;
}

.ai-chat-ticket-message {
    font-size: var(--ai-chat-font-size-sm);
    margin: 0 0 var(--ai-chat-space-md) 0;
    color: var(--ai-chat-success);
}

.ai-chat-ticket-message.is-error {
    color: var(--ai-chat-error);
}

.ai-chat-ticket-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--ai-chat-space-md);
}

.ai-chat-ticket-submit {
    padding: var(--ai-chat-space-sm) var(--ai-chat-space-xl);
    border: none;
    border-radius: var(--ai-chat-radius);
    background: var(--ai-chat-primary);
    color: var(--ai-chat-text-inverse);
    font-size: var(--ai-chat-font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--ai-chat-transition-base);
}

.ai-chat-ticket-submit:hover:not(:disabled) {
    background: var(--ai-chat-primary-hover);
}

.ai-chat-ticket-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.ai-chat-ticket-form-link {
    font-size: var(--ai-chat-font-size-sm);
    color: var(--ai-chat-primary);
    text-decoration: underline;
}

.ai-chat-ticket-form-link:hover {
    color: var(--ai-chat-primary-hover);
}

.ai-chat-dark-mode .ai-chat-ticket-section {
    background: var(--ai-chat-bg-secondary);
    border-top-color: var(--ai-chat-border);
}

/* Continue on WhatsApp */
.ai-chat-whatsapp-row {
    padding: var(--ai-chat-space-md) var(--ai-chat-space-xl);
    border-top: 1px solid var(--ai-chat-border);
    background: var(--ai-chat-bg);
}

.ai-chat-whatsapp-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--ai-chat-space-sm);
    width: 100%;
    padding: var(--ai-chat-space-md) var(--ai-chat-space-lg);
    border-radius: var(--ai-chat-radius-md);
    background: #25d366;
    color: #fff;
    font-weight: 600;
    font-size: var(--ai-chat-font-size-sm);
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-sizing: border-box;
    transition: background var(--ai-chat-transition-fast), transform var(--ai-chat-transition-fast);
}

.ai-chat-whatsapp-btn:hover {
    background: #1ebe57;
    color: #fff;
    text-decoration: none;
}

.ai-chat-whatsapp-btn:focus-visible {
    outline: 3px solid var(--ai-chat-primary);
    outline-offset: 2px;
}

.ai-chat-whatsapp-icon {
    flex-shrink: 0;
}

.ai-chat-dark-mode .ai-chat-whatsapp-row {
    border-top-color: var(--ai-chat-border);
    background: var(--ai-chat-bg);
}

/* Input area: stacked layout — full-width message field, then toolbar (avoids theme flex bugs on textarea) */
.ai-chat-input-container {
    border-top: 1px solid var(--ai-chat-border);
    padding: var(--ai-chat-space-lg) var(--ai-chat-space-xl);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--ai-chat-space-md);
    background: var(--ai-chat-bg);
    position: relative;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.ai-chat-input-field-wrap {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    display: block;
}

.ai-chat-input-toolbar {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--ai-chat-space-sm);
    width: 100%;
    min-height: 44px;
}

.ai-chat-input-toolbar-start {
    display: flex;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--ai-chat-space-xs);
    flex: 1;
    min-width: 0;
}

/* Input Buttons - Enhanced accessibility */
.ai-chat-attach,
.ai-chat-emoji,
.ai-chat-voice,
.ai-chat-send {
    background: none;
    border: none;
    color: var(--ai-chat-primary);
    cursor: pointer;
    padding: var(--ai-chat-space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--ai-chat-transition-fast);
    flex-shrink: 0;
    border-radius: var(--ai-chat-radius-sm);
    outline: none;
    min-width: 40px;
    min-height: 40px;
}

.ai-chat-attach:hover,
.ai-chat-emoji:hover,
.ai-chat-voice:hover,
.ai-chat-send:hover {
    color: var(--ai-chat-primary-dark);
    background: var(--ai-chat-bg-secondary);
}

.ai-chat-attach:focus-visible,
.ai-chat-emoji:focus-visible,
.ai-chat-voice:focus-visible,
.ai-chat-send:focus-visible {
    outline: 2px solid var(--ai-chat-primary);
    outline-offset: 2px;
    background: var(--ai-chat-bg-secondary);
}

.ai-chat-voice.recording {
    background: var(--ai-chat-error);
    color: var(--ai-chat-text-inverse);
    animation: pulse var(--ai-chat-transition-slow) ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.9;
        transform: scale(1.05);
    }
}

.ai-chat-send:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Send button: primary action in toolbar row */
.ai-chat-input-toolbar .ai-chat-send {
    margin-left: auto;
    flex-shrink: 0;
    background: var(--ai-chat-primary);
    color: var(--ai-chat-text-inverse);
    border-radius: var(--ai-chat-radius-md);
    padding: 10px 18px;
    min-width: 48px;
    min-height: 44px;
}

.ai-chat-input-toolbar .ai-chat-send:hover {
    color: var(--ai-chat-text-inverse);
    background: var(--ai-chat-primary-dark);
}

.ai-chat-input-toolbar .ai-chat-send:focus-visible {
    color: var(--ai-chat-text-inverse);
    background: var(--ai-chat-primary-dark);
}

/* Input Field - Enhanced typography and accessibility */
.ai-chat-input {
    display: block;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    border: 2px solid var(--ai-chat-border);
    border-radius: var(--ai-chat-radius-lg);
    padding: var(--ai-chat-space-md) var(--ai-chat-space-xl);
    font-size: var(--ai-chat-font-size-base);
    font-family: inherit;
    line-height: var(--ai-chat-line-height-relaxed);
    resize: vertical;
    max-height: 140px;
    min-height: 48px;
    overflow-y: auto;
    outline: none;
    transition: all var(--ai-chat-transition-fast);
    background: var(--ai-chat-bg);
    color: var(--ai-chat-text);
}

/* Beat theme rules that collapse textarea width (NetFx / global form CSS) */
#ai-chat-widget .ai-chat-input-field-wrap textarea#ai-chat-input.ai-chat-input {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    flex: none !important;
}

/* Isolate from theme form rules (e.g. fixed heights on inputs) */
#ai-chat-widget textarea.ai-chat-input {
    height: auto !important;
    min-height: 48px;
    vertical-align: middle;
}

.ai-chat-input::placeholder {
    color: var(--ai-chat-text-tertiary);
    opacity: 0.7;
}

.ai-chat-input:focus {
    border-color: var(--ai-chat-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.ai-chat-input::-webkit-scrollbar {
    width: 6px;
}

.ai-chat-input::-webkit-scrollbar-track {
    background: transparent;
}

.ai-chat-input::-webkit-scrollbar-thumb {
    background: var(--ai-chat-border);
    border-radius: var(--ai-chat-radius-sm);
}

.ai-chat-input::-webkit-scrollbar-thumb:hover {
    background: var(--ai-chat-text-tertiary);
}

/* File Upload Preview */
.ai-chat-file-preview {
    margin-top: var(--ai-chat-space-md);
    padding: var(--ai-chat-space-md);
    background: var(--ai-chat-bg-secondary);
    border-radius: var(--ai-chat-radius);
    display: flex;
    align-items: center;
    gap: var(--ai-chat-space-md);
    font-size: var(--ai-chat-font-size-sm);
    border: 1px solid var(--ai-chat-border);
}

.ai-chat-file-preview img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: var(--ai-chat-radius-sm);
}

/* Responsive: tablets & phones — viewport-aligned panel, safe areas, correct FAB corner */
@media (max-width: 768px) {
    #ai-chat-widget {
        --ai-chat-mobile-trim: calc(
            env(safe-area-inset-top, 0px) +
            env(safe-area-inset-bottom, 0px) +
            var(--ai-chat-fab-size) +
            var(--ai-chat-space-lg) +
            var(--ai-chat-space-2xl)
        );
    }

    .ai-chat-widget.ai-chat-bottom-right {
        bottom: max(var(--ai-chat-space-lg), env(safe-area-inset-bottom, 0px));
        right: max(var(--ai-chat-space-lg), env(safe-area-inset-right, 0px));
        left: auto;
    }

    .ai-chat-widget.ai-chat-bottom-left {
        bottom: max(var(--ai-chat-space-lg), env(safe-area-inset-bottom, 0px));
        left: max(var(--ai-chat-space-lg), env(safe-area-inset-left, 0px));
        right: auto;
    }

    /* Panel fixed to viewport so it is not clipped by the narrow FAB wrapper */
    .ai-chat-widget.ai-chat-bottom-right .ai-chat-container,
    .ai-chat-widget.ai-chat-bottom-left .ai-chat-container {
        position: fixed;
        z-index: 9998;
        left: max(var(--ai-chat-space-lg), env(safe-area-inset-left, 0px));
        right: max(var(--ai-chat-space-lg), env(safe-area-inset-right, 0px));
        width: auto;
        bottom: calc(var(--ai-chat-fab-size) + var(--ai-chat-space-lg) + env(safe-area-inset-bottom, 0px));
        border-radius: var(--ai-chat-radius-md);
        height: calc(100vh - var(--ai-chat-mobile-trim));
        height: calc(100dvh - var(--ai-chat-mobile-trim));
        max-height: calc(100svh - var(--ai-chat-mobile-trim));
        min-height: 200px;
    }

    /* Keep launcher and proactive preview above the fixed panel */
    .ai-chat-widget .ai-chat-toggle,
    .ai-chat-widget .ai-chat-proactive-preview {
        position: relative;
        z-index: 10001;
    }

    .ai-chat-proactive-preview {
        max-width: min(300px, calc(100vw - 32px));
    }

    .ai-chat-header {
        padding: var(--ai-chat-space-lg);
        min-height: 64px;
        padding-left: max(var(--ai-chat-space-lg), env(safe-area-inset-left, 0px));
        padding-right: max(var(--ai-chat-space-lg), env(safe-area-inset-right, 0px));
    }

    .ai-chat-header-info h3 {
        font-size: var(--ai-chat-font-size-base);
    }

    .ai-chat-header-actions {
        margin-left: auto;
    }

    .ai-chat-messages {
        padding: var(--ai-chat-space-lg);
        gap: var(--ai-chat-space-lg);
    }

    .ai-chat-message-content {
        max-width: 85%;
        padding: var(--ai-chat-space-md) var(--ai-chat-space-lg);
        font-size: var(--ai-chat-font-size-sm);
    }

    .ai-chat-input-container {
        padding: var(--ai-chat-space-md);
        padding-bottom: max(var(--ai-chat-space-md), env(safe-area-inset-bottom, 0px));
    }

    .ai-chat-input-toolbar {
        gap: var(--ai-chat-space-xs);
    }

    /* 16px minimum prevents iOS Safari zoom-on-focus for inputs */
    #ai-chat-widget .ai-chat-input,
    #ai-chat-widget textarea.ai-chat-input {
        font-size: 16px !important;
        padding: var(--ai-chat-space-sm) var(--ai-chat-space-lg);
    }

    .ai-chat-whatsapp-row {
        padding-left: max(var(--ai-chat-space-xl), env(safe-area-inset-left, 0px));
        padding-right: max(var(--ai-chat-space-xl), env(safe-area-inset-right, 0px));
    }
}

/* Tighter typography on very narrow screens */
@media (max-width: 480px) {
    .ai-chat-message-content {
        max-width: 90%;
        font-size: var(--ai-chat-font-size-sm);
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .ai-chat-container {
        border-width: 2px;
    }
    
    .ai-chat-input {
        border-width: 2px;
    }
    
    .ai-chat-toggle:focus-visible,
    .ai-chat-close:focus-visible,
    .ai-chat-handoff:focus-visible,
    .ai-chat-theme-toggle:focus-visible {
        outline-width: 3px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Screen Reader Only - 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;
}

/* Print Styles */
@media print {
    .ai-chat-widget {
        display: none !important;
    }
}