/* Modern CSS Variables for consistent theming */
:root {
    --app-font-size: 16px;
    --content-max-width: 64rem; /* default ~1024px */
    --primary-color: #0A6EBD;
    --secondary-color: #4FB5FF;
    --surface-color: #FFFFFF;
    --background-color: #FAFCFE;
    --text-primary: #212B36;
    --text-secondary: #637381;
    --border-color: #E7EBF0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --chat-bg-user: #3399FF;
    --chat-border-user: #E7EBF0;
    --chat-bg-bot: #f8fafc;
    --chat-border-bot: #e2e8f0;
    --chat-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --placeholder-color: #9CA3AF;
}

.dark {
    --primary-color: #3399FF;
    --secondary-color: #4FB5FF;
    --surface-color: #212B36;
    --background-color: #161C24;
    --text-primary: #FFFFFF;
    --text-secondary: #919EAB;
    --border-color: rgba(45, 56, 67, 0.5);
    --chat-bg-user: #2C3E50;
    --chat-border-user: #3D4E5D;
    --chat-bg-bot: #1e293b;
    --chat-border-bot: #334155;
    --placeholder-color: #9CA3AF;
}

/* Global Styles */
html, :host {
    font-size: var(--app-font-size, 16px);
}

body {
    font-family: var(--default-font-family, ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    overscroll-behavior-x: none;
    -webkit-text-size-adjust: 100%;
}

/* iOS Safari Fixes */
* {
    -webkit-tap-highlight-color: transparent;
}

button, .mud-button, .mud-icon-button, .mud-fab {
    -webkit-touch-callout: none;
    touch-action: manipulation;
}

/* Accessibility helper classes */
.reduced-motion *:not(.fadeInUp-animation):not(.initial-hidden):not(.modern-input-form-gradient),
.reduced-motion *::before,
.reduced-motion *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
}

/* Disable animations for reduced-motion class when it's applied */
.reduced-motion .fadeInUp-animation,
.reduced-motion .initial-hidden,
.reduced-motion .modern-input-form-gradient {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
}

/* Readable width caps line length of textual blocks to ~75ch */
.readable-width .mud-typography,
.readable-width .user-message-text,
.readable-width .markdown-body,
.readable-width p,
.readable-width #answer {
    max-width: 75ch;
}

/* Dyslexia-friendly reading adjustments */
.dyslexia-mode body,
.dyslexia-mode .mud-typography,
.dyslexia-mode .user-message-text,
.dyslexia-mode .markdown-body,
.dyslexia-mode p,
.dyslexia-mode li {
    line-height: 1.75 !important;
    letter-spacing: 0.02em !important;
    word-spacing: 0.12em !important;
    font-variant-ligatures: none !important;
    -webkit-font-variant-ligatures: none !important;
    text-align: left !important;
    hyphens: none !important;
}

/* Textarea placeholder styling - fixes the dark mode visibility issue */
textarea::placeholder {
    color: var(--placeholder-color) !important;
    opacity: 1 !important;
}

textarea::-webkit-input-placeholder {
    color: var(--placeholder-color) !important;
    opacity: 1 !important;
}

textarea::-moz-placeholder {
    color: var(--placeholder-color) !important;
    opacity: 1 !important;
}

textarea:-ms-input-placeholder {
    color: var(--placeholder-color) !important;
    opacity: 1 !important;
}

textarea:-moz-placeholder {
    color: var(--placeholder-color) !important;
    opacity: 1 !important;
}

#genieForm {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 99999;
    background: var(--background-color);
}


/* Hide long placeholder on small screens to prevent wrapping */
@media (max-width: 767.98px) {


    #newAsk::placeholder {
        color: transparent !important;
    }

    /* Hide welcome suggestions on mobile - they look terrible */
    .welcome-suggestions {
        display: none !important;
    }

    /* Ensure bottom input is visible on small screens when on welcome screen */
    .welcome-screen #genieForm {
        display: block !important;
    }

    /* Hide large welcome input on small screens */
    .welcome-screen #large-welcome-input {
        display: none !important;
    }

    /* Hide prompt bank surface on mobile - keep only greeting */
    .welcome-board-surface {
        display: none !important;
    }

    /* Compact welcome greeting on mobile */
    .welcome-board-stack {
        gap: 0.75rem !important;
    }

    .welcome-hero .mud-image {
        width: 80px !important;
        height: 80px !important;
    }

    .welcome-hero h1 {
        font-size: 1.5rem !important;
    }

    /* Adjust welcome message padding on mobile */
    .welcome-message {
        padding-bottom: 2rem !important;
        margin-bottom: 0 !important;
    }



        #genieForm > div {
            padding: 0.25rem 0.5rem !important;
            max-width: 100% !important;
        }

    /* Reduce bottom margin on answer container for mobile */
    #answer {
        padding-bottom: calc(70px + env(safe-area-inset-bottom));
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }

    /* Tighter spacing on last message for mobile */
    .chat-message:last-child {
        margin-bottom: 0.25rem !important;
    }

    /* Hide tooltips on mobile - they cause issues with touch */
    .mud-tooltip {
        display: none !important;
    }

        #genieForm:focus-within {
            position: fixed !important;
            bottom: 0 !important;
        }

    /* Ultra-compact input container on mobile - ChatGPT style */
    .message-input-container {
        padding: 0.25rem 0.5rem !important;
        border-radius: 1.25rem !important;
        margin: 0 !important;
        box-shadow: none !important;
        border: 1px solid var(--border-color) !important;
        min-height: 32px !important;
        max-height: 88px !important;
        align-items: center !important;
        gap: 0.25rem !important;
    }

        .message-input-container:focus-within {
            border-color: var(--primary-color) !important;
            box-shadow: none !important;
            transform: none !important;
        }

        /* Compact textarea on mobile */
        .message-input-container textarea,
        .message-input-container smart-textarea,
        .message-input-container smart-textarea textarea {
            font-size: 0.875rem !important;
            line-height: 1.25 !important;
            min-height: 18px !important;
            max-height: 72px !important;
            padding: 0.125rem 0 !important;
            margin: 0 !important;
        }

        /* Compact send button on mobile */
        .message-input-container .mud-fab,
        .message-input-container .floating-action-button,
        .message-input-container .active-send {
            width: 30px !important;
            height: 30px !important;
            min-width: 30px !important;
            min-height: 30px !important;
            padding: 0 !important;
            flex-shrink: 0 !important;
        }

            .message-input-container .mud-fab .mud-icon-root,
            .message-input-container .floating-action-button .mud-icon-root,
            .message-input-container .active-send .mud-icon-root {
                font-size: 1.125rem !important;
            }

    /* Hide model chip on mobile - takes too much space */
    .model-chip {
        display: none !important;
    }

    /* Push welcome content down to account for app bar + safe area on mobile */
    .welcome-message {
        padding-top: calc(1rem + env(safe-area-inset-top, 0px)) !important;
    }

    .welcome-board-stack {
        margin-top: 0.5rem !important;
    }
}

/* For screens larger than 1300px, show large welcome input when on welcome screen */
@media (min-width: 1301px) {
    .welcome-screen #large-welcome-input {
        display: block !important;
    }

    /* Hide bottom input on large screens when on welcome screen */
    .welcome-screen #genieForm {
        display: none !important;
    }
}

/* For screens 768px to 1300px, use bottom input for welcome screen */
@media (min-width: 768px) and (max-width: 1300px) {
    .welcome-screen #large-welcome-input {
        display: none !important;
    }

    .welcome-screen #genieForm {
        display: block !important;
    }
}

/* Dark mode specific placeholder styling */
.dark textarea::placeholder {
    color: #9CA3AF !important;
    opacity: 0.8 !important;
}

.dark textarea::-webkit-input-placeholder {
    color: #9CA3AF !important;
    opacity: 0.8 !important;
}

.dark textarea::-moz-placeholder {
    color: #9CA3AF !important;
    opacity: 0.8 !important;
}

.dark textarea:-ms-input-placeholder {
    color: #9CA3AF !important;
    opacity: 0.8 !important;
}

.dark textarea:-moz-placeholder {
    color: #9CA3AF !important;
    opacity: 0.8 !important;
}

/* Enhanced App Bar with Subtle Gradient (no hover effects) */
.modern-appbar-gradient {
    background: linear-gradient(135deg, var(--surface-color) 0%, rgba(10, 110, 189, 0.03) 25%, rgba(75, 181, 255, 0.02) 50%, rgba(139, 92, 246, 0.02) 75%, var(--surface-color) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
}

/* iOS PWA safe area handling for app bar - prevents status bar overlap */
@supports (padding-top: env(safe-area-inset-top)) {
    .mud-appbar.mud-appbar-fixed-top {
        padding-top: env(safe-area-inset-top);
    }
    /* Adjust main content to account for safe area */
    .mud-main-content {
        padding-top: env(safe-area-inset-top);
    }
}

/* Dark mode adjustments for the app bar gradient */
.dark .modern-appbar-gradient {
    background: linear-gradient(135deg, var(--surface-color) 0%, rgba(51, 153, 255, 0.04) 25%, rgba(75, 181, 255, 0.03) 50%, rgba(139, 92, 246, 0.03) 75%, var(--surface-color) 100%);
}

/* Bespoke Drawer Gradient - Vertical orientation for sidebar */
.modern-drawer-gradient {
    background: linear-gradient(180deg, var(--surface-color) 0%, rgba(10, 110, 189, 0.02) 20%, rgba(75, 181, 255, 0.015) 40%, rgba(139, 92, 246, 0.01) 60%, rgba(10, 110, 189, 0.015) 80%, var(--surface-color) 100%);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-right: 1px solid rgba(10, 110, 189, 0.08);
    position: relative;
}

    .modern-drawer-gradient::before {
        content: '';
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        width: 1px;
        background: linear-gradient(180deg, transparent 0%, rgba(10, 110, 189, 0.1) 25%, rgba(75, 181, 255, 0.12) 50%, rgba(139, 92, 246, 0.1) 75%, transparent 100%);
        pointer-events: none;
    }

/* Dark mode adjustments for the drawer gradient */
.dark .modern-drawer-gradient {
    background: linear-gradient(180deg, var(--surface-color) 0%, rgba(51, 153, 255, 0.03) 20%, rgba(75, 181, 255, 0.025) 40%, rgba(139, 92, 246, 0.02) 60%, rgba(51, 153, 255, 0.025) 80%, var(--surface-color) 100%);
    border-right: 1px solid rgba(51, 153, 255, 0.12);
}

    .dark .modern-drawer-gradient::before {
        background: linear-gradient(180deg, transparent 0%, rgba(51, 153, 255, 0.15) 25%, rgba(75, 181, 255, 0.18) 50%, rgba(139, 92, 246, 0.15) 75%, transparent 100%);
    }

/* Enhanced modern scrollbar for drawer with better spacing */
.modern-scrollbar {
    padding-right: 8px; /* Adds space between content and scrollbar */
}

    .modern-scrollbar::-webkit-scrollbar {
        width: 8px; /* Slightly thinner than main chat scrollbar */
    }

    .modern-scrollbar::-webkit-scrollbar-track {
        background: transparent;
        border-radius: 4px;
        margin: 0.5rem 0; /* Top and bottom margin for better appearance */
    }

    .modern-scrollbar::-webkit-scrollbar-thumb {
        background: linear-gradient(135deg, rgba(10, 110, 189, 0.3) 0%, rgba(75, 181, 255, 0.3) 100%);
        border-radius: 4px;
        transition: all 0.2s ease;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

        .modern-scrollbar::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(135deg, rgba(10, 110, 189, 0.5) 0%, rgba(75, 181, 255, 0.5) 100%);
            transform: scaleX(1.1);
        }

.dark .modern-scrollbar::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, rgba(51, 153, 255, 0.3) 0%, rgba(75, 181, 255, 0.3) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

    .dark .modern-scrollbar::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(135deg, rgba(51, 153, 255, 0.5) 0%, rgba(75, 181, 255, 0.5) 100%);
        transform: scaleX(1.1);
    }

/* Firefox scrollbar support for modern-scrollbar */
.modern-scrollbar {
    scrollbar-width: thin;
    scrollbar-color: rgba(10, 110, 189, 0.3) transparent;
}

.dark .modern-scrollbar {
    scrollbar-color: rgba(51, 153, 255, 0.3) transparent;
}

/* Improved Chat Message Structure */
.chat-message {
    width: 100%;
}

.avatar-container {
    margin-top: 8px;
}

.message-content {
    width: 100%;
}

/* User Message Styling */
.user-message .modern-container {
    background: var(--surface-color) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--chat-border-user) !important;
    border-radius: 6px 18px 18px 18px !important;
    position: relative;
    box-shadow: var(--chat-shadow);
    margin: 0;
    width: 100%;
}

.user-message .mud-typography {
    color: var(--text-primary) !important;
}

.user-message .user-date-container .mud-typography {
    color: var(--text-secondary) !important;
}


/* Safe user message text styling */
.user-message-text {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

/* Enhanced Bot Chat Bubbles */
.chat-bot {
    background: var(--chat-bg-bot) !important;
    border: 1px solid var(--chat-border-bot) !important;
    border-radius: 18px 6px 18px 18px !important;
    box-shadow: var(--chat-shadow);
    position: relative;
    transition: all 0.3s ease;
    width: 100%;
}

.bot-message {
    margin: 1.75rem 0;
}

.chat-bot:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.chat-bot::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 110, 189, 0.02) 0%, rgba(75, 181, 255, 0.01) 100%);
    border-radius: inherit;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.chat-bot:hover::before {
    opacity: 1;
}

/* Avatar Styling */
.avatar-outside {
    width: 40px;
    height: 40px;
}

/* Bot actions container */
.bot-actions {
    padding-top: 0.5rem;
    margin-top: 0.75rem;
}

/* Model chip styling */
.model-chip {
    height: 24px !important;
    padding: 0 8px !important;
    font-size: 0.75rem !important;
}

/* User Message Hover Effect */
.user-message .modern-container {
    transition: all 0.3s ease;
}

    .user-message .modern-container:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    }

/* Send Button States */
.inactive-send-icon {
    color: #A0AEC0 !important;
}

.active-send {
    background: var(--primary-color) !important;
    border: none !important;
    color: white !important;
    width: 44px !important;
    height: 44px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow: 0 4px 16px rgba(10, 110, 189, 0.3) !important;
    position: relative;
    overflow: hidden;
}

    .active-send:hover {
        transform: scale(1.05) !important;
        box-shadow: 0 8px 24px rgba(10, 110, 189, 0.4) !important;
    }

    .active-send:active {
        transform: scale(0.95) !important;
        box-shadow: 0 4px 8px rgba(10, 110, 189, 0.2) !important;
    }

/* Enhanced Message Input */
.message-input-container {
    background: var(--surface-color) !important;
    border: 2px solid var(--border-color) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    overflow: visible;
    position: relative;
}

    /* When overflow-hidden is dynamically added */
    .message-input-container.overflow-hidden {
        overflow: hidden;
    }

    .message-input-container:focus-within {
        border-color: var(--primary-color) !important;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), 0 0 0 3px rgba(10, 110, 189, 0.1) !important;
        transform: translateY(-2px);
    }

    /* Enhanced Textarea */
    .message-input-container textarea,
    .message-input-container smart-textarea {
        border: none !important;
        outline: none !important;
        resize: none !important;
        background: transparent !important;
        color: var(--text-primary) !important;
        font-size: 0.95rem !important;
        line-height: 1.5 !important;
        min-height: 20px !important;
        max-height: 120px !important;
        transition: height 0.15s ease !important;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-gutter: stable both-edges;
        box-sizing: border-box !important;
        width: 100% !important;
        max-width: 100% !important;
        display: block;
        flex: 1 1 auto;
        padding-right: 8px;
        padding-top: 2.1em !important;
    }

        /* Also apply to the actual input element inside SmartTextArea */
        .message-input-container smart-textarea textarea,
        .message-input-container smart-textarea input {
            border: none !important;
            outline: none !important;
            resize: none !important;
            background: transparent !important;
            color: var(--text-primary) !important;
            font-size: 0.95rem !important;
            line-height: 1.5 !important;
            min-height: 20px !important;
            max-height: 120px !important;
            transition: height 0.15s ease !important;
            overflow-y: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-gutter: stable both-edges;
            box-sizing: border-box !important;
            width: 100% !important;
            max-width: 100% !important;
            display: block;
            flex: 1 1 auto;
            padding-right: 8px;
        }

        /* When JS sets overflow-y:auto we also add a helper class (optional) */
        .message-input-container textarea.show-scrollbar,
        .message-input-container smart-textarea.show-scrollbar {
            overflow-y: auto;
            -webkit-overflow-scrolling: touch;
        }

        /* Custom scrollbar for textarea - matches your app's modern design */
        .message-input-container textarea::-webkit-scrollbar,
        .message-input-container smart-textarea textarea::-webkit-scrollbar {
            width: 6px; /* Thin scrollbar for textarea */
        }

        .message-input-container textarea::-webkit-scrollbar-track,
        .message-input-container smart-textarea textarea::-webkit-scrollbar-track {
            background: transparent; /* Avoid invalid rgba(var(--border-color)) usage */
            border-radius: 3px;
            margin: 2px 0; /* Small margin for better appearance */
        }

        .message-input-container textarea::-webkit-scrollbar-thumb,
        .message-input-container smart-textarea textarea::-webkit-scrollbar-thumb {
            background: linear-gradient(135deg, rgba(10, 110, 189, 0.4) 0%, rgba(75, 181, 255, 0.4) 100%);
            border-radius: 3px;
            transition: all 0.2s ease;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

            .message-input-container textarea::-webkit-scrollbar-thumb:hover,
            .message-input-container smart-textarea textarea::-webkit-scrollbar-thumb:hover {
                background: linear-gradient(135deg, rgba(10, 110, 189, 0.6) 0%, rgba(75, 181, 255, 0.6) 100%);
                transform: scaleX(1.15);
            }

/* Dark mode scrollbar for textarea */
.dark .message-input-container textarea::-webkit-scrollbar-thumb,
.dark .message-input-container smart-textarea textarea::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, rgba(51, 153, 255, 0.45) 0%, rgba(75, 181, 255, 0.45) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

    .dark .message-input-container textarea::-webkit-scrollbar-thumb:hover,
    .dark .message-input-container smart-textarea textarea::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(135deg, rgba(51, 153, 255, 0.65) 0%, rgba(75, 181, 255, 0.65) 100%);
    }

/* Firefox scrollbar support for textarea */
.message-input-container textarea,
.message-input-container smart-textarea textarea {
    scrollbar-width: thin;
    scrollbar-color: rgba(10,110,189,0.5) transparent;
}

.dark .message-input-container textarea,
.dark .message-input-container smart-textarea textarea {
    scrollbar-color: rgba(51,153,255,0.5) transparent;
}

/* Input Dropzone Overlay - sleek drop target inside input container */
.input-dropzone-overlay {
    position: absolute;
    inset: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: rgba(10, 110, 189, 0.06);
    border: 2px dashed var(--primary-color);
    border-radius: 12px;
    z-index: 10;
    animation: dropzone-fade-in 0.15s ease-out;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    pointer-events: none; /* Allow drop events to pass through to container */
}

.dark .input-dropzone-overlay {
    background: rgba(51, 153, 255, 0.1);
    border-color: var(--primary-color);
}

.input-dropzone-overlay .dropzone-icon {
    font-size: 1.75rem !important;
    color: var(--primary-color);
    animation: dropzone-bounce 1.5s ease-in-out infinite;
}

.input-dropzone-overlay .dropzone-text {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.875rem;
    margin: 0;
}

.input-dropzone-overlay .dropzone-hint {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

@keyframes dropzone-fade-in {
    from {
        opacity: 0;
        transform: scale(0.98);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes dropzone-bounce {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-6px);
    }
}

/* Reduced motion - disable dropzone animations */
@media (prefers-reduced-motion: reduce) {
    .input-dropzone-overlay {
        animation: none;
    }

        .input-dropzone-overlay .dropzone-icon {
            animation: none;
        }
}

/* Inline Attachment Chips - uploading/processing/ready states */
.attachment-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(10, 110, 189, 0.08);
    border: 1px solid rgba(10, 110, 189, 0.2);
    border-radius: 16px;
    font-size: 0.8125rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.dark .attachment-chip {
    background: rgba(51, 153, 255, 0.12);
    border-color: rgba(51, 153, 255, 0.25);
}

.attachment-chip.attachment-uploading {
    background: rgba(255, 193, 7, 0.1);
    border-color: rgba(255, 193, 7, 0.3);
}

.attachment-chip.attachment-processing {
    background: rgba(156, 39, 176, 0.1);
    border-color: rgba(156, 39, 176, 0.3);
}

.attachment-chip.attachment-error {
    background: rgba(244, 67, 54, 0.1);
    border-color: rgba(244, 67, 54, 0.3);
}

.attachment-chip.attachment-complete-state {
    background: rgba(76, 175, 80, 0.1);
    border-color: rgba(76, 175, 80, 0.3);
}

.attachment-chip .attachment-thumbnail {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    object-fit: cover;
}

.attachment-chip .attachment-icon {
    color: var(--primary-color);
    flex-shrink: 0;
}

.attachment-chip .attachment-name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attachment-chip .attachment-progress {
    width: 16px !important;
    height: 16px !important;
    flex-shrink: 0;
}

.attachment-chip .attachment-complete {
    animation: attachment-check-pop 0.3s ease-out;
}

@keyframes attachment-check-pop {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    60% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.attachment-label {
    display: inline-flex;
    align-items: center;
}

.attachment-chip-ready {
    font-size: 0.8125rem;
}

/* Reduced motion for attachment animations */
@media (prefers-reduced-motion: reduce) {
    .attachment-chip .attachment-complete {
        animation: none;
    }
}

/* Message Attachments - compact inline display */
.message-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.dark .message-attachments {
    border-top-color: rgba(255, 255, 255, 0.08);
}

.message-attachment {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 0.8125rem;
    transition: all 0.15s ease;
}

.message-attachment-file {
    background: rgba(10, 110, 189, 0.08);
    border: 1px solid rgba(10, 110, 189, 0.15);
    color: var(--text-primary);
}

.dark .message-attachment-file {
    background: rgba(51, 153, 255, 0.1);
    border-color: rgba(51, 153, 255, 0.2);
}

.message-attachment-file .attachment-file-icon {
    color: var(--primary-color);
    flex-shrink: 0;
}

.message-attachment-file .attachment-file-name {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.message-attachment-image {
    flex-direction: column;
    padding: 4px;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 10px;
}

.dark .message-attachment-image {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

.message-attachment-image .attachment-image-preview {
    max-width: 180px;
    max-height: 120px;
    border-radius: 6px;
    object-fit: cover;
    display: block;
}

.message-attachment-image .attachment-image-name {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    padding: 4px 2px 2px;
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
    width: 100%;
}

/* Mobile-optimized attachment chips */
@media (max-width: 767.98px) {
    /* Input attachment chips - more compact on mobile */
    .attachment-chip {
        padding: 4px 8px;
        font-size: 0.75rem;
        gap: 4px;
    }

        .attachment-chip .attachment-name {
            max-width: 80px;
        }

        .attachment-chip .attachment-thumbnail {
            width: 16px;
            height: 16px;
        }

        .attachment-chip .attachment-progress {
            width: 14px !important;
            height: 14px !important;
        }

    /* Message attachments - smaller on mobile */
    .message-attachments {
        gap: 6px;
        margin-top: 8px;
        padding-top: 8px;
    }

    .message-attachment {
        padding: 4px 8px;
        font-size: 0.75rem;
        gap: 4px;
    }

    .message-attachment-file .attachment-file-name {
        max-width: 100px;
    }

    .message-attachment-image {
        padding: 3px;
    }

        .message-attachment-image .attachment-image-preview {
            max-width: 120px;
            max-height: 80px;
            border-radius: 4px;
        }

        .message-attachment-image .attachment-image-name {
            font-size: 0.625rem;
            max-width: 120px;
            padding: 2px 2px 1px;
        }

    /* Dropzone overlay - more compact on mobile */
    .input-dropzone-overlay {
        gap: 2px;
    }

        .input-dropzone-overlay .dropzone-icon {
            font-size: 1.25rem !important;
        }

        .input-dropzone-overlay .dropzone-text {
            font-size: 0.75rem;
        }

        .input-dropzone-overlay .dropzone-hint {
            font-size: 0.625rem;
        }

    /* Attachment label more compact */
    .attachment-label {
        font-size: 0.6875rem !important;
    }

    .attachment-chip-ready {
        font-size: 0.75rem;
    }

        /* MudChip adjustments for mobile */
        .attachment-chip-ready .mud-chip-content {
            padding: 0 4px;
        }
}


/* Center suggestion chip text (welcome + inline composer) */
.suggestion-chip, .welcome-suggestion-chip {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    vertical-align: middle;
}

    /* Ensure MudChip internal content stretches allowing centering */
    .suggestion-chip .mud-chip-content, .welcome-suggestion-chip .mud-chip-content {
        display: flex;
        align-items: center;
        justify-content: center;
    }

/* Remove forced 100% width to eliminate trailing empty space */
.suggestion-chip-text, .suggestion-chip-text-scroll {
    display: inline-block;
    text-align: center;
    white-space: nowrap;
}

.suggestion-chip-text-scroll {
    overflow: hidden;
}

.welcome-board-surface {
    padding: 2.5rem 2.25rem;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.04) 100%);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
}

.dark .welcome-board-surface {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 41, 59, 0.92) 100%);
    border-color: rgba(148, 163, 184, 0.12);
}

/* Suggestion cards staggered entrance */
.welcome-board-suggestion-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 0.9rem;
    border-radius: 18px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: rgba(255, 255, 255, 0.65);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    animation: welcome-fade-in 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-delay: calc(var(--card-index, 0) * 0.04s + 0.4s);
}

.dark .welcome-board-suggestion-card {
    background: rgba(30, 41, 59, 0.55);
    border-color: rgba(71, 85, 105, 0.32);
}

.welcome-board-suggestion-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 32px rgba(15, 23, 42, 0.18);
    background: rgba(255, 255, 255, 0.75);
}

.dark .welcome-board-suggestion-card:hover {
    background: rgba(59, 130, 246, 0.28);
}

/* Respect reduced motion for cards */
@media (prefers-reduced-motion: reduce) {
    .welcome-board-suggestion-card {
        animation: none !important;
    }
}

.welcome-board-stack {
    width: 100%;
}

.welcome-board-title {
    font-weight: 600;
    text-align: center;
    letter-spacing: -0.02em;
}

.welcome-board-subtitle {
    text-align: center;
    color: var(--mud-palette-text-secondary);
}

.welcome-board-categories {
    gap: 0.5rem;
}

.welcome-board-category-icon {
    font-size: 1.1rem;
    opacity: 0.85;
}

.welcome-board-refresh {
    border-radius: 9999px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

    .welcome-board-refresh:hover {
        transform: rotate(-6deg);
        opacity: 0.85;
    }


.welcome-board-list {
    width: 100%;
    display: flex;
    justify-content: center;
    contain: layout style;
}

.welcome-board-carousel .mud-carousel-item {
    padding: 0;
}

.welcome-board-carousel {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.welcome-board-carousel-body {
    flex: 1;
}

.welcome-board-carousel-indicators {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.welcome-board-carousel-dot {
    width: 0.625rem;
    height: 0.625rem;
    border-radius: 9999px;
    border: none;
    padding: 0;
    background: var(--mud-palette-action-disabled);
    opacity: 0.75;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease, background-color 0.2s ease;
}

    .welcome-board-carousel-dot:hover,
    .welcome-board-carousel-dot:focus-visible {
        opacity: 1;
    }

    .welcome-board-carousel-dot:focus-visible {
        outline: 2px solid var(--mud-palette-primary) !important;
        outline-offset: 2px;
    }

    .welcome-board-carousel-dot.active {
        background: var(--mud-palette-primary);
        opacity: 1;
        transform: scale(1.15);
    }

.dark .welcome-board-carousel-dot {
    background: rgba(255, 255, 255, 0.25);
}

    .dark .welcome-board-carousel-dot.active {
        background: var(--mud-palette-primary);
    }

.admin-news-editor {
    border-left: 4px solid var(--mud-palette-primary);
}

    .admin-news-editor .hero-image-input {
        width: 100%;
        padding: 0.45rem 0.75rem;
        border-radius: 12px;
        border: 1px dashed rgba(0, 0, 0, 0.18);
        background-color: rgba(0, 0, 0, 0.02);
        transition: border-color 0.2s ease, background-color 0.2s ease;
        font-size: 0.95rem;
        color: var(--mud-palette-text-primary);
    }

        .admin-news-editor .hero-image-input:hover,
        .admin-news-editor .hero-image-input:focus-visible {
            border-color: var(--mud-palette-primary);
            background-color: rgba(var(--mud-palette-primary-rgb), 0.05);
        }

        .admin-news-editor .hero-image-input::file-selector-button,
        .admin-news-editor .hero-image-input::-webkit-file-upload-button {
            margin-right: 1rem;
            padding: 0.4rem 1.1rem;
            border-radius: 999px;
            border: none;
            background-color: var(--mud-palette-primary);
            color: var(--mud-palette-primary-text);
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.15s ease, background-color 0.2s ease, box-shadow 0.2s ease;
        }

            .admin-news-editor .hero-image-input::file-selector-button:hover,
            .admin-news-editor .hero-image-input::-webkit-file-upload-button:hover,
            .admin-news-editor .hero-image-input::file-selector-button:focus-visible,
            .admin-news-editor .hero-image-input::-webkit-file-upload-button:focus-visible {
                background-color: var(--mud-palette-primary-darken);
                transform: translateY(-1px);
                box-shadow: 0 4px 14px rgba(var(--mud-palette-primary-rgb), 0.25);
            }

.dark .admin-news-editor .hero-image-input {
    border-color: rgba(255, 255, 255, 0.18);
    background-color: rgba(255, 255, 255, 0.04);
}

    .dark .admin-news-editor .hero-image-input:hover,
    .dark .admin-news-editor .hero-image-input:focus-visible {
        background-color: rgba(255, 255, 255, 0.08);
    }

    .dark .admin-news-editor .hero-image-input::file-selector-button,
    .dark .admin-news-editor .hero-image-input::-webkit-file-upload-button {
        background-color: rgba(var(--mud-palette-primary-rgb), 0.85);
        box-shadow: none;
    }

        .dark .admin-news-editor .hero-image-input::file-selector-button:hover,
        .dark .admin-news-editor .hero-image-input::-webkit-file-upload-button:hover,
        .dark .admin-news-editor .hero-image-input::file-selector-button:focus-visible,
        .dark .admin-news-editor .hero-image-input::-webkit-file-upload-button:focus-visible {
            background-color: rgba(var(--mud-palette-primary-rgb), 1);
        }

.mud-html-editor.admin-news-html-editor {
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

    .mud-html-editor.admin-news-html-editor .ql-toolbar {
        background-color: rgba(0, 0, 0, 0.03);
        border: none;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

        .mud-html-editor.admin-news-html-editor .ql-toolbar button {
            border-radius: 6px;
            transition: background-color 0.2s ease, color 0.2s ease;
        }

            .mud-html-editor.admin-news-html-editor .ql-toolbar button:hover,
            .mud-html-editor.admin-news-html-editor .ql-toolbar button:focus-visible,
            .mud-html-editor.admin-news-html-editor .ql-toolbar button.ql-active {
                background-color: rgba(0, 0, 0, 0.07);
            }

    .mud-html-editor.admin-news-html-editor .ql-container {
        min-height: 260px;
        border: none;
    }

.dark .mud-html-editor.admin-news-html-editor {
    border-color: rgba(255, 255, 255, 0.16);
}

    .dark .mud-html-editor.admin-news-html-editor .ql-toolbar {
        background-color: rgba(255, 255, 255, 0.04);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

        .dark .mud-html-editor.admin-news-html-editor .ql-toolbar button {
            color: rgba(255, 255, 255, 0.85);
        }

            .dark .mud-html-editor.admin-news-html-editor .ql-toolbar button:hover,
            .dark .mud-html-editor.admin-news-html-editor .ql-toolbar button:focus-visible,
            .dark .mud-html-editor.admin-news-html-editor .ql-toolbar button.ql-active {
                background-color: rgba(255, 255, 255, 0.12);
            }

        .dark .mud-html-editor.admin-news-html-editor .ql-toolbar .ql-stroke {
            stroke: rgba(255, 255, 255, 0.92);
        }

        .dark .mud-html-editor.admin-news-html-editor .ql-toolbar .ql-fill {
            fill: rgba(255, 255, 255, 0.92);
        }

        .dark .mud-html-editor.admin-news-html-editor .ql-toolbar .ql-picker {
            color: rgba(255, 255, 255, 0.9);
        }

    .dark .mud-html-editor.admin-news-html-editor .ql-container {
        background-color: #1a232d;
        color: var(--mud-palette-text-primary);
        border-top: 1px solid rgba(255, 255, 255, 0.04);
    }

    .dark .mud-html-editor.admin-news-html-editor .ql-editor {
        color: rgba(255, 255, 255, 0.92);
    }

        .dark .mud-html-editor.admin-news-html-editor .ql-editor.ql-blank::before {
            color: rgba(255, 255, 255, 0.5);
        }

.mud-html-editor.admin-news-html-editor .ql-editor a {
    color: var(--mud-palette-primary);
    text-decoration: underline;
}

.news-menu-item-text {
    max-width: 240px;
}

    .news-menu-item-text .mud-typography.caption {
        color: var(--mud-palette-text-secondary);
    }

.news-badge {
    margin-top: -6px !important;
}

.news-icon-button {
    margin-top: 2px;
}

.news-badge {
    margin-top: -4px;
}

.news-dismiss-button {
    display: flex;
    align-items: center;
    margin-left: 0.5rem;
}

.news-content p {
    margin-bottom: 1rem;
}

.news-content ul,
.news-content ol {
    margin-left: 1.25rem;
    margin-bottom: 1rem;
}

.news-content blockquote {
    border-left: 3px solid var(--mud-palette-primary);
    padding: 0.25rem 0 0.25rem 1rem;
    margin: 1.2rem 0;
    font-style: italic;
    background-color: rgba(0, 0, 0, 0.02);
}

.dark .news-content blockquote {
    background-color: rgba(255, 255, 255, 0.05);
}

.news-hero-image {
    width: 100%;
    border-radius: 12px;
    display: block;
    object-fit: cover;
    max-height: 280px;
}

.important-news-dialog .mud-dialog-content {
    padding-top: 1rem;
}

.important-news-dialog .mud-dialog-actions {
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

@media (max-width: 640px) {
    .welcome-board-carousel {
        gap: 0.3rem;
        margin-top: 0.25rem;
    }

        .welcome-board-carousel > .mud-icon-button {
            display: none;
        }

    .welcome-board-carousel-body {
        touch-action: pan-y;
    }

    .welcome-board-suggestion-card {
        padding: 1rem 1.1rem;
        min-height: 0;
    }

    .welcome-board-carousel-indicators {
        margin-top: 0.35rem;
    }
}

.welcome-board-suggestion-text {
    flex: 1;
    text-align: left;
}

.welcome-board-suggestion-description {
    color: var(--mud-palette-text-secondary);
    font-size: 0.85rem;
}

.pinned-prompt-list {
    max-height: 200px;
    overflow-y: auto;
}

.pinned-prompt-text .mud-typography {
    line-height: 1.25rem;
}

.welcome-board-suggestion-icon {
    opacity: 0.7;
    margin-left: 1rem;
}

.welcome-board-link {
    background: rgba(59, 130, 246, 0.16);
    border-color: rgba(37, 99, 235, 0.32);
}

.dark .welcome-board-link {
    background: rgba(37, 99, 235, 0.35);
    border-color: rgba(191, 219, 254, 0.28);
}

body.welcome-screen.welcome-compact .welcome-board-surface {
    padding: 1.5rem 1.25rem;
}

body.welcome-screen.welcome-compact .welcome-board-carousel {
    gap: 0.5rem;
    margin-top: 0.25rem;
}

    body.welcome-screen.welcome-compact .welcome-board-carousel > .mud-icon-button {
        display: none;
    }

body.welcome-screen.welcome-compact .welcome-board-suggestion-grid {
    gap: 0.5rem;
    padding: 0.25rem 0;
}

body.welcome-screen.welcome-compact .modern-input-form-gradient {
    padding-top: 1.75rem;
    padding-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .welcome-board-surface {
        padding: 1.75rem 1.5rem;
        border-radius: 20px;
    }

    .welcome-board-suggestion-list .mud-list-item {
        padding: 0.9rem 1rem;
    }
}

/* Welcome Board Suggestion Grid Layout */
.welcome-board-suggestion-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    width: 100%;
    padding: 0.5rem 0;
    contain: layout style;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .welcome-board-suggestion-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .welcome-board-suggestion-card {
        padding: 0.875rem 1rem;
        min-height: 70px;
    }
}

@media (min-width: 1200px) {
    .welcome-board-suggestion-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* Fix for 1680x1050 and similar resolutions - prevent flickering */
@media (min-width: 1400px) and (max-width: 1800px) {
    .welcome-board-suggestion-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    }

    .welcome-hero .mud-image {
        width: 120px !important;
        height: 120px !important;
    }

    .welcome-hero h1 {
        font-size: 2rem !important;
    }
}

/* Enhanced Send Button */
.floating-action-button {
    background: var(--primary-color) !important;
    border: none !important;
    color: white !important;
    width: 44px !important;
    height: 44px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow: 0 4px 16px rgba(10, 110, 189, 0.3) !important;
    position: relative;
    overflow: hidden;
}

/* Welcome hero fade-in with upward motion */
@keyframes fadeInUp {
    0% {
        transform: translateY(100%);
        opacity: 0;
    }

    100% {
        transform: translateY(0%);
        opacity: 1;
    }
}

.fadeInUp-animation {
    animation: fadeInUp 1.5s cubic-bezier(0.16, 1, 0.3, 1) both !important;
}

/* Staggered delays for welcome elements */
.fadeInUp-delay-0 {
    animation-delay: 0s !important;
}

.fadeInUp-delay-1 {
    animation-delay: 0.15s !important;
}

.fadeInUp-delay-2 {
    animation-delay: 0.3s !important;
}

.fadeInUp-delay-3 {
    animation-delay: 0.45s !important;
}

.fadeInUp-delay-4 {
    animation-delay: 0.6s !important;
}

.fadeInUp-delay-5 {
    animation-delay: 0.75s !important;
}

/* Hidden state before animations start */
.initial-hidden {
    opacity: 0 !important;
    transform: translateY(100%) !important;
}

/* Ensure bottom input bar fades in smoothly - using same animation */
.modern-input-form-gradient.fadeInUp-animation {
    animation-delay: 0.75s !important;
}

/* Respect reduced motion preferences - only disable for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    .fadeInUp-animation {
        animation: none !important;
    }

    .initial-hidden {
        opacity: 1 !important;
        transform: none !important;
    }

    .modern-input-form-gradient.fadeInUp-animation {
        animation: none !important;
    }
}

@property --ring-angle {
    syntax: '<angle>';
    inherits: false;
    initial-value: 0deg;
}

.rotating-ring {
    --ring-angle: 0deg;
    border: double 3px transparent !important;
    background-image: linear-gradient(var(--surface-color), var(--surface-color)), conic-gradient(from var(--ring-angle), var(--primary-color), #22d3ee, #a78bfa, var(--primary-color)) !important;
    background-origin: border-box !important;
    background-clip: padding-box, border-box !important;
    /* Faster gradient rotation on input */
    animation: rotate-border 1.5s linear infinite !important;
}

@keyframes rotate-border {
    to {
        --ring-angle: 360deg;
    }
}

/* Dark mode support for rotating ring */
.dark .rotating-ring {
    background-image: linear-gradient(var(--surface-color), var(--surface-color)), conic-gradient(from var(--ring-angle), var(--primary-color), #22d3ee, #a78bfa, var(--primary-color)) !important;
}


.welcome-input-large {
    max-width: 45vw !important;
    width: 45vw !important;
    padding: 1.5rem 2rem !important;
}

    .welcome-input-large textarea {
        padding: 2rem 0rem !important;
        font-size: 1.0rem !important;
        line-height: 1.4 !important;
        min-height: 80px !important;
        transform: none !important;
        border-radius: 1rem;
    }

.welcome-plus-button {
    width: 64px !important;
    height: 64px !important;
    border-radius: 18px !important;
    margin-right: 1rem !important;
}

@media (max-width: 640px) {
    .welcome-message {
        padding: 0 0.5rem 5.5rem;
    }

    .welcome-board-stack {
        gap: 1.5rem !important;
        padding: 0 0.25rem;
        align-items: stretch !important;
    }

    .welcome-board-surface {
        padding: 1.5rem 1.25rem !important;
        border-radius: 20px;
        box-shadow: var(--shadow-md);
        margin-bottom: 3.5rem;
    }

    .welcome-board-title {
        font-size: 1.6rem;
    }

    .welcome-board-subtitle {
        font-size: 1rem;
    }

    .welcome-hero .mud-image {
        width: 96px !important;
        height: 96px !important;
    }

    .welcome-board-categories {
        width: 100%;
        flex-wrap: wrap !important;
        gap: 0.5rem !important;
        justify-content: center !important;
        padding-bottom: 0.5rem;
    }

        .welcome-board-categories .mud-chip {
            flex: 1 1 auto;
            min-width: 140px;
            text-align: center;
        }

    .welcome-board-suggestion-grid {
        display: grid !important;
        grid-template-columns: 1fr;
        gap: 0.75rem;
        overflow: visible;
        padding-bottom: 0.25rem;
    }

    .welcome-board-suggestion-card {
        min-width: 100%;
        width: 100%;
        padding: 0.95rem 1.1rem;
    }

    .welcome-board-suggestion-text {
        text-align: left;
    }

    .welcome-board-suggestion-description {
        font-size: 0.75rem;
    }

    .welcome-board-carousel {
        gap: 0.5rem;
        align-items: stretch;
        flex-direction: column;
    }

        .welcome-board-carousel .mud-icon-button {
            display: none;
        }

    .welcome-board-carousel-body {
        flex: 1 1 auto;
    }

    .welcome-board-carousel-indicator {
        margin-top: 0.75rem;
    }
}

.floating-action-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.floating-action-button:hover {
    transform: scale(1.05) !important;
    box-shadow: 0 8px 24px rgba(10, 110, 189, 0.4) !important;
}

    .floating-action-button:hover::before {
        opacity: 1;
    }

.floating-action-button:active {
    transform: scale(1.02) !important;
}

/* Enhanced Model Selector */
.model-selector-next-to-send .mud-input-control .mud-input-control-input-container {
    padding: 10px 16px !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    background: var(--surface-color) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

    .model-selector-next-to-send .mud-input-control .mud-input-control-input-container:hover {
        border-color: var(--primary-color) !important;
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05) !important;
    }

    .model-selector-next-to-send .mud-input-control .mud-input-control-input-container:focus-within {
        border-color: var(--primary-color) !important;
        box-shadow: 0 0 0 3px rgba(10, 110, 189, 0.1) !important;
        transform: translateY(-1px);
    }

/* Enhanced Welcome Message */
.modern-gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 60%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    animation: gradient-shift 3s ease-in-out infinite;
    background-size: 200% 200%;
}

@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

/* Enhanced Loading Animation */
.lds-ellipsis {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 20px;
    margin: 0.5rem 0;
}

    .lds-ellipsis div {
        position: absolute;
        top: 6px;
        width: 13px;
        height: 13px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        animation-timing-function: cubic-bezier(0, 1, 1, 0);
        box-shadow: 0 2px 8px rgba(10, 110, 189, 0.3);
    }

/* Enhanced Audio Controls */
.chat-bot .mud-icon-button {
    border-radius: 8px !important;
    transition: all 0.2s ease !important;
    position: relative;
    overflow: hidden;
}

    .chat-bot .mud-icon-button::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: currentColor;
        opacity: 0;
        transition: opacity 0.2s ease;
    }

    .chat-bot .mud-icon-button:hover::before {
        opacity: 0.08;
    }

    .chat-bot .mud-icon-button:hover {
        transform: translateY(-1px) scale(1.05) !important;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important;
    }

/* Enhanced Pulse Animation for Processing State */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(10, 110, 189, 0.3);
    }

    50% {
        box-shadow: 0 4px 24px rgba(10, 110, 189, 0.5);
    }
}

.floating-action-button.processing {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Enhanced scrollbar for the main chat area with improved spacing */
#answer::-webkit-scrollbar {
    width: 10px; /* Slightly wider scrollbar for better visibility */
    z-index: 999; /* Ensure scrollbar appears above other elements */
}

#answer::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 5px;
    margin-bottom: 4rem;
    margin-top: 0.5rem;
}

#answer::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, rgba(10, 110, 189, 0.4) 0%, rgba(75, 181, 255, 0.4) 100%);
    border-radius: 5px;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.1); /* Subtle border for better definition */
}

    #answer::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(135deg, rgba(10, 110, 189, 0.6) 0%, rgba(75, 181, 255, 0.6) 100%);
        transform: scaleX(1.2); /* Slight expansion on hover */
    }

.dark #answer::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, rgba(51, 153, 255, 0.4) 0%, rgba(75, 181, 255, 0.4) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

    .dark #answer::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(135deg, rgba(51, 153, 255, 0.6) 0%, rgba(75, 181, 255, 0.6) 100%);
        transform: scaleX(1.2);
    }

/* Custom scrollbar for Firefox with improved spacing */
#answer {
    scrollbar-width: thin;
    scrollbar-color: rgba(10, 110, 189, 0.4) transparent;
    position: relative; /* Ensure proper positioning context */
    padding-right: 4px; /* Small padding to prevent content from touching scrollbar */
}

.dark #answer {
    scrollbar-color: rgba(51, 153, 255, 0.4) transparent;
}

/* Hide scrollbar when scrolled to bottom */
#answer.at-bottom::-webkit-scrollbar-thumb {
    background: transparent !important;
    border: none !important;
    padding-bottom: 80px !important;
}

#answer.at-bottom {
    scrollbar-color: transparent transparent;
}

/* Ensure last chat message has proper spacing from bottom */
.chat-message:last-child {
    margin-bottom: 0.5rem;
}

/* Ensure bottom input bar sits flush to bottom on mobile with safe-area support */
.genie-fixed-bottom {
    position: fixed;
    left: 0;
    right: 0;
    z-index: 10;
    /* Respect iOS/Android safe area; fallback to 0 if not supported */
    padding-left: env(safe-area-inset-left, 0px);
    padding-right: env(safe-area-inset-right, 0px);
    padding-top: 8px; /* small padding at top for spacing from content */
    margin: 0; /* remove any margins */
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    overflow: visible; /* prevent container scrollbar */
}



/* Ensure the composer textarea does not grow beyond the bar and scrolls when multi-line */
#genieForm textarea,
#genieForm .mud-input-control textarea {
    max-height: 30svh; /* slightly thinner */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* smooth iOS scrolling */
    width: 100%;
    box-sizing: border-box;
    display: block;
    white-space: pre-wrap;
    word-break: break-word;
    resize: none; /* prevent manual resize */
}

/* Prevent the rounded container from scrolling - only textarea scrolls */
#genieForm .rounded-full {
    overflow: visible !important;
    max-height: none !important;
}

#genieForm .overflow-hidden,
#genieForm .message-input-container.overflow-hidden,
#genieForm .flex.overflow-hidden {
    overflow: visible !important;
    max-height: none !important;
}

/* Ensure the input wrapper never gets scrollbars */
#genieForm > div,
#genieForm .w-full {
    overflow: visible !important;
}

/* Prevent container overflow when textarea grows */
#genieForm .flex,
#genieForm .items-center {
    align-items: center; /* keep controls centered */
    overflow: visible;
}






.large-gradient-text {
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-image: linear-gradient(0deg, rgb(152, 144, 200) 0%, rgb(77, 163, 216) 100%);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 2s ease forwards;
    animation-delay: var(--delay);
}

.delete-button-container {
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}

.session-item:hover .delete-button-container {
    opacity: 1;
}

.chat-user:hover .user-date-container {
    opacity: 1;
    margin-top: 1em;
}

/* Chat Item Styling */
.modern-chat-item {
    background: transparent !important;
    transition: background-color 0.15s ease, border-color 0.15s ease;
    border: 1px solid transparent;
    position: relative; /* Ensure absolute children (menu button) position per item */
}

    .modern-chat-item:hover {
        background: rgba(10, 110, 189, 0.04) !important;
        border: 1px solid rgba(10, 110, 189, 0.1);
    }

/* Active chat item styling */
.chat-item-active {
    background: rgba(10, 110, 189, 0.08) !important;
    border: 1px solid rgba(10, 110, 189, 0.2) !important;
}

    .chat-item-active:hover {
        background: rgba(10, 110, 189, 0.12) !important;
        border: 1px solid rgba(10, 110, 189, 0.3) !important;
    }

/* Chat title: single-line ellipsis and reserved space for menu */
.modern-chat-item .chat-title {
    display: block;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    /* No padding-right needed when action button is a flex item */
    padding-right: 0;
    overflow: hidden !important; /* enable ellipsis */
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    line-height: 1.2;
    color: var(--text-primary);
}

    /* Ensure the Mud text itself also participates in ellipsis */
    .modern-chat-item .chat-title .mud-typography {
        display: block;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        white-space: nowrap !important;
        width: 100%;
        max-width: 100%;
    }

/* Allow flex item to shrink so ellipsis can apply */
.modern-chat-item .flex-1 {
    overflow: hidden;
    min-width: 0;
}
/* Ensure tooltip wrappers don't prevent shrinking and keep width inside container */
.modern-chat-item .mud-tooltip-root,
.modern-chat-item .mud-tooltip-reference,
.modern-chat-item .chat-title {
    min-width: 0;
    max-width: 100%;
}

/* Action button (ellipsis menu) */
/* Keep the action button as a flex item so it always reserves space */
.modern-chat-item .delete-button-container {
    position: static; /* part of layout */
    flex: 0 0 40px; /* fixed space reserved */
    width: 40px;
    min-width: 40px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

.modern-chat-item:hover .delete-button-container,
.chat-item-active .delete-button-container {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Allow clicks only on the actual icon/button so it doesn't block tooltips */
.modern-chat-item .delete-button-container .mud-icon-button {
    pointer-events: auto;
}

.dark .modern-chat-item .delete-button-container {
    background: rgba(var(--surface-color), 0.95);
}

.chips-scroll {
    padding-top: 10px;
}

/* Hero suggestions grid: 4 equal columns on desktop */
.welcome-hero-suggestions-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem 1rem;
    max-width: 100%;
    margin: 0 auto 1.75rem auto;
    padding: 0 1.25rem;
    align-items: stretch;
}

    .welcome-hero-suggestions-grid .mud-chip-root {
        width: 100%;
        justify-content: center;
    }

    /* Action buttons container spans all columns */
    .welcome-hero-suggestions-grid .suggestion-actions {
        grid-column: 1 / -1;
        padding-top: 0.25rem;
    }

@media (max-width: 1200px) {
    .welcome-hero-suggestions-grid {
        grid-template-columns: repeat(2, minmax(0,1fr));
    }
}

@media (max-width: 900px) {
    .welcome-hero-suggestions-grid {
        grid-template-columns: 1fr;
    }
}

.mud-badge.mud-badge-top.right {
    inset: auto auto calc(100% - 18px) calc(100% - 18px) !important;
}

@media (max-width: 767px) {
    #answer {
        padding-bottom: calc(70px + env(safe-area-inset-bottom));
    }
}
@media (min-width: 768px) {
    #answer {
        padding-bottom: 120px; 
    }
}

.jump-to-latest-button {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 16px);
    transform: translate(-50%, 0);
    border: none;
    background: var(--surface-color, #ffffff);
    color: var(--primary-color, #0A6EBD);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
    border-radius: 999px;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(99, 115, 129, 0.25);
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1100;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.jump-to-latest-button:hover,
.jump-to-latest-button:focus-visible {
    transform: translate(-50%, -4px);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.22);
}

.jump-to-latest-icon {
    font-size: 22px;
}

.jump-to-latest-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    border-radius: 999px;
    background: var(--primary-color, #0A6EBD);
    color: #ffffff;
    font-size: 0.65rem;
    font-weight: 600;
    line-height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .jump-to-latest-button {
        bottom: calc(100% + 12px);
        width: 38px;
        height: 38px;
    }
}

.dark .jump-to-latest-button {
    background: rgba(22, 28, 36, 0.92);
    color: var(--secondary-color, #4FB5FF);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.45);
    border-color: rgba(145, 158, 171, 0.4);
}

.dark .jump-to-latest-badge {
    background: var(--secondary-color, #4FB5FF);
    color: #0b0f14;
}

.new-messages-divider {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 32px auto;
    padding: 4px 12px;
    max-width: min(680px, 92%);
    color: var(--text-secondary, #637381);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background: linear-gradient(90deg, rgba(99, 115, 129, 0.08), rgba(99, 115, 129, 0.04) 35%, rgba(99, 115, 129, 0.0) 100%);
    border-radius: 999px;
}

.new-messages-divider::before,
.new-messages-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 115, 129, 0.45));
}

.new-messages-divider::after {
    background: linear-gradient(90deg, rgba(99, 115, 129, 0.45), transparent);
}

.new-messages-label {
    white-space: nowrap;
    font-weight: 600;
}

.new-messages-count {
    background: rgba(15, 23, 42, 0.08);
    color: inherit;
    border-radius: 999px;
    padding: 2px 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.dark .new-messages-divider {
    color: var(--text-secondary, #919EAB);
    background: linear-gradient(90deg, rgba(145, 158, 171, 0.08), rgba(145, 158, 171, 0.02) 35%, rgba(145, 158, 171, 0.0) 100%);
}

.dark .new-messages-divider::before,
.dark .new-messages-divider::after {
    background: linear-gradient(90deg, transparent, rgba(145, 158, 171, 0.35));
}

.dark .new-messages-count {
    background: rgba(255, 255, 255, 0.08);
}

.chat-streaming-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary, #637381);
}

.chat-streaming-indicator span {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: currentColor;
    opacity: 0.7;
    animation: chat-streaming-bounce 1s infinite ease-in-out;
}

.chat-streaming-indicator span:nth-child(2) {
    animation-delay: 0.15s;
}

.chat-streaming-indicator span:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes chat-streaming-bounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.6;
    }
    30% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

.dark .chat-streaming-indicator {
    color: var(--text-secondary, #919EAB);
}