/* ===== Classic chat bubble icon ===== */
    #stoneee-chat-widget {
        --chat-blue: #111827;
        --brm-avatar-size: clamp(56px, 5vw, 64px);
        --brm-avatar-shadow: 0 12px 32px rgba(15, 23, 42, 0.16), 0 3px 10px rgba(15, 23, 42, 0.08);
        --brm-avatar-position: center 24%;
        --brm-peek-max-width: min(280px, calc(100vw - 116px));
    }

    /* ===== Shared avatar primitives ===== */
    .brm-chat-avatar {
        --brm-chat-avatar-size: 32px;
        width: var(--brm-chat-avatar-size);
        height: var(--brm-chat-avatar-size);
        border-radius: 9999px;
        overflow: hidden;
        flex-shrink: 0;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: #dbe4ee;
        box-shadow: 0 2px 8px rgba(15, 23, 42, 0.12);
    }
    .brm-chat-avatar--shell {
        --brm-chat-avatar-size: var(--brm-avatar-size);
        border: 3px solid rgba(255, 255, 255, 0.96);
        box-shadow: var(--brm-avatar-shadow);
    }
    .brm-chat-avatar--message {
        --brm-chat-avatar-size: 32px;
    }
    .brm-chat-avatar--preview {
        --brm-chat-avatar-size: 28px;
    }
    .brm-chat-avatar__img {
        width: 100%;
        height: 100%;
        display: block;
        object-fit: cover;
        object-position: var(--brm-avatar-position);
        background: #dbe4ee;
    }
    .brm-chat-avatar__fallback {
        width: 100%;
        height: 100%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #ffffff;
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 0.02em;
    }
    .brm-chat-avatar--preview .brm-chat-avatar__fallback {
        font-size: 10px;
    }

    /* ===== Avatar Peek Widget ===== */
    #stoneee-chat-widget #chat-icon-btn.brm-avatar-btn {
        background: transparent !important;
        border: none !important;
        width: auto !important;
        height: auto !important;
        padding: 0 !important;
    }
    .brm-avatar-widget {
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        gap: 10px;
        font-family: 'Poppins', -apple-system, sans-serif;
        cursor: pointer;
    }
    .brm-avatar-widget .brm-aw-row {
        display: flex;
        align-items: flex-end;
        gap: 10px;
        max-width: min(calc(100vw - 28px), 420px);
    }
    .brm-avatar-widget .brm-aw-peek { order: 1; }
    .brm-avatar-widget .brm-aw-avatar-wrap {
        order: 2;
        position: relative;
        flex-shrink: 0;
    }
    .brm-avatar-widget .brm-aw-avatar {
        transition: transform 0.22s cubic-bezier(.4,0,.2,1), box-shadow 0.22s cubic-bezier(.4,0,.2,1);
    }
    .brm-avatar-widget:hover .brm-aw-avatar {
        transform: translateY(-1px);
    }
    .brm-avatar-widget .brm-aw-avatar picture {
        display: block;
        width: 100%;
        height: 100%;
    }

    /* Online indicator */
    .brm-avatar-widget .brm-aw-status {
        position: absolute;
        right: 2px;
        bottom: 2px;
        width: 14px;
        height: 14px;
        border-radius: 50%;
        background: #16a34a;
        border: 2px solid #ffffff;
        box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.06), 0 0 6px rgba(22, 163, 74, 0.32);
    }
    .brm-avatar-widget.brm-offline .brm-aw-status { display: none; }
    .brm-avatar-widget.brm-pending .brm-aw-status,
    .brm-avatar-widget.brm-pending .brm-aw-countdown {
        display: none !important;
    }

    /* Peek message */
    .brm-avatar-widget .brm-aw-peek {
        position: relative;
        max-width: var(--brm-peek-max-width);
        padding: 10px 32px 10px 14px;
        border-radius: 16px 16px 6px 16px;
        font-size: 12px;
        font-weight: 500;
        line-height: 1.35;
        color: #0f172a;
        background: rgba(255, 255, 255, 0.96);
        border: 1px solid rgba(148, 163, 184, 0.22);
        box-shadow: 0 10px 28px rgba(15, 23, 42, 0.10), 0 2px 8px rgba(15, 23, 42, 0.05);
        backdrop-filter: blur(14px);
        white-space: normal;
    }
    .brm-avatar-widget:hover .brm-aw-peek {
        box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12), 0 2px 8px rgba(15, 23, 42, 0.05);
    }
    .brm-avatar-widget .brm-aw-peek-close {
        position: absolute;
        top: 6px;
        right: 6px;
        width: 18px;
        height: 18px;
        padding: 0;
        border: none;
        background: transparent;
        color: #64748b;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        border-radius: 9999px;
        opacity: 0;
        pointer-events: none;
        transition: background-color 0.2s ease, color 0.2s ease, opacity 0.2s ease;
    }
    .brm-avatar-widget .brm-aw-peek-close svg {
        width: 12px;
        height: 12px;
        display: block;
    }
    .brm-avatar-widget:hover .brm-aw-peek-close,
    .brm-avatar-widget .brm-aw-peek:hover .brm-aw-peek-close {
        opacity: 1;
        pointer-events: auto;
    }
    .brm-avatar-widget .brm-aw-peek-close:hover {
        background: rgba(15, 23, 42, 0.08);
        color: #0f172a;
        opacity: 1;
    }

    /* Visitor count */
    .brm-avatar-widget .brm-aw-vis {
        max-width: min(280px, calc(100vw - 52px));
        font-size: 10px;
        font-weight: 600;
        line-height: 1.2;
        text-align: right;
        color: #64748b;
        padding-right: 4px;
    }

    .brm-avatar-widget.brm-offline .brm-aw-avatar img {
        filter: grayscale(0.12) saturate(0.92);
    }

    .brm-avatar-widget .brm-aw-zzz {
        display: none !important;
    }

    /* Countdown pill */
    .brm-avatar-widget .brm-aw-countdown {
        display: none;
        position: absolute;
        left: 50%;
        bottom: -8px;
        transform: translateX(-50%);
        background: #0f172a;
        border: 1px solid #ffffff;
        color: #ffffff;
        font-size: 9px;
        font-weight: 700;
        padding: 2px 8px;
        border-radius: 9999px;
        white-space: nowrap;
        font-variant-numeric: tabular-nums;
        font-family: 'Poppins', sans-serif;
        box-shadow: 0 4px 12px rgba(15, 23, 42, 0.18);
    }
    .brm-avatar-widget.brm-offline .brm-aw-countdown { display: block; }
    @keyframes brmChatIconEnter {
        from {
            opacity: 0;
            transform: translateY(10px) scale(0.96);
        }
        to {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }

    .brm-chat-preview {
        position: fixed;
        right: 20px;
        bottom: calc(30px + var(--brm-avatar-size));
        width: min(360px, calc(100vw - 32px));
        background: rgba(255, 255, 255, 0.97);
        border: 1px solid rgba(15, 23, 42, 0.12);
        border-radius: 18px;
        padding: 14px 16px;
        box-shadow: 0 12px 30px rgba(15, 23, 42, 0.10), 0 3px 10px rgba(15, 23, 42, 0.05);
        backdrop-filter: blur(14px);
        opacity: 0;
        transform: translateY(10px) scale(0.95);
        transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
        z-index: 999998;
        cursor: pointer;
    }
    .brm-chat-preview__header {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 8px;
    }
    .brm-chat-preview__author {
        font-size: 12px;
        color: #111827;
        font-weight: 600;
    }
    .brm-chat-preview__meta {
        font-size: 11px;
        color: #64748b;
        margin-left: auto;
    }
    .brm-chat-preview__body {
        font-size: 14px;
        color: #374151;
        line-height: 1.45;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }
    .brm-chat-preview__cta {
        font-size: 11px;
        color: #0f172a;
        margin-top: 8px;
        font-weight: 600;
    }

    @media (max-width: 640px) {
        #stoneee-chat-widget {
            --brm-avatar-size: 56px;
            --brm-peek-max-width: min(220px, calc(100vw - 96px));
        }
        #stoneee-chat-widget #chat-icon-btn.brm-avatar-btn {
            right: 14px !important;
            bottom: 18px !important;
        }
        .brm-avatar-widget .brm-aw-row {
            align-items: center;
            gap: 8px;
            max-width: calc(100vw - 20px);
        }
        .brm-avatar-widget .brm-aw-peek {
            padding: 10px 28px 10px 12px;
            font-size: 11px;
            border-radius: 14px 14px 6px 14px;
        }
        .brm-avatar-widget .brm-aw-vis {
            max-width: 220px;
            font-size: 9px;
        }
        .brm-chat-preview {
            left: 12px;
            right: 12px;
            width: auto;
            bottom: calc(28px + var(--brm-avatar-size));
        }
    }

/* File upload preview styles - EXACT COPY from AI chat */
.file-preview-item {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    transition: all 0.2s;
}

.file-preview-item img {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 4px;
}

.file-preview-item .file-info {
    flex: 1;
    min-width: 0;
}

.file-preview-item .file-name {
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

.file-preview-item .file-size {
    font-size: 12px;
    color: #6b7280;
}

.file-preview-item .remove-btn {
    padding: 4px;
    color: #ef4444;
    cursor: pointer;
    transition: color 0.2s;
}

.file-preview-item .remove-btn:hover {
    color: #dc2626;
}

/* Circular upload progress indicator */
.upload-progress {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
}

.upload-progress svg {
    transform: rotate(-90deg);
}

.upload-progress-circle {
    stroke-dasharray: 88;
    stroke-dashoffset: 88;
    transition: stroke-dashoffset 0.3s;
}

.file-preview-item.uploading {
    opacity: 0.8;
}

.file-preview-item.uploading img,
.file-preview-item.uploading .pdf-icon,
.file-preview-item.uploading video {
    opacity: 0.4;
    filter: blur(0.5px);
}

.file-preview-item.uploaded {
    border-color: #10b981;
}

.file-preview-item.uploaded .upload-progress {
    display: none;
}

.upload-status-check {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Premium Chat Widget Styles */
@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Hover effects for floating input */
#chat-input-bar:hover {
    box-shadow: 0 10px 40px rgba(15, 23, 42, 0.12), 0 3px 12px rgba(0, 0, 0, 0.06);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

@keyframes bounceIn {
    0% {
        transform: scale(0.8) translateY(10px);
        opacity: 0;
    }
    50% {
        transform: scale(1.05) translateY(-2px);
    }
    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

/* Smooth float in animation for input bar */
@keyframes floatIn {
    0% {
        transform: translateY(100px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes floatOut {
    0% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(30px) scale(0.95);
        opacity: 0;
    }
}

#chat-toggle:hover > div:last-child {
    opacity: 1;
}

/* Input focus effects */
#customer-email:focus,
#customer-name:focus,
#chat-input:focus {
    border-color: rgba(15, 23, 42, 0.4) !important;
    box-shadow: 0 0 0 4px rgba(15, 23, 42, 0.1) !important;
}

/* Button hover effects */
#start-chat:hover,
#chat-send:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.4);
}

#chat-close:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    transform: scale(1.05);
}

/* Resize handles - invisible but functional on desktop */
.resize-handle {
    display: none;
    background: transparent; /* No visual indicator */
    z-index: 10000001 !important;
}

/* Show resize handles when chat window is visible (desktop only) */
@media (min-width: 641px) {
    #chat-window[style*="display: block"] .resize-handle {
        display: block !important;
    }
}

@media (min-width: 641px) {
    #chat-window.active #chat-header {
        cursor: move !important;
    }
}

/* Mobile responsive styles - Best Practices 2024 */
:root {
    /* Default mobile viewport height - updated by JavaScript */
    --mobile-vh: 1vh;
}

@supports (height: 100dvh) {
    /* Use dynamic viewport units for modern browsers */
    @media (max-width: 640px) {
        #chat-window {
            height: 100dvh !important;
        }
        #chat-messages {
            height: calc(100dvh - 200px) !important;
        }
    }
}

/* Fallback for older browsers and JavaScript-based solution */
@media (max-width: 640px) {
    :root {
        --mobile-viewport-height: calc(var(--mobile-vh, 1vh) * 100);
    }
    
    /* Prevent body scrolling when chat is open */
    body.chat-open {
        position: fixed !important;
        width: 100% !important;
        overflow: hidden !important;
        touch-action: none !important;
        -webkit-overflow-scrolling: touch !important;
    }
    
    #stoneee-chat-widget {
        bottom: 16px !important;
        right: 16px !important;
        /* Safe area for iOS devices with home indicator */
        bottom: calc(16px + env(safe-area-inset-bottom)) !important;
        right: calc(16px + env(safe-area-inset-right)) !important;
    }
    
    #chat-window {
        position: fixed !important;
        bottom: 0 !important;
        right: 0 !important;
        left: 0 !important;
        top: 0 !important;
        width: 100% !important;
        height: var(--mobile-viewport-height) !important;
        height: -webkit-fill-available !important; /* iOS Safari */
        max-width: none !important;
        max-height: none !important;
        border-radius: 0 !important;
        transform: translateY(100%) !important;
        /* Safe area insets for notched devices */
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
        /* Prevent overscroll and bounce on iOS */
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }
    
    #chat-header {
        cursor: default !important; /* No drag on mobile */
        /* Ensure header is below notch on iOS */
        padding-top: calc(24px + env(safe-area-inset-top));
        /* Touch targets minimum 44x44px for iOS, 48x48dp for Android */
        min-height: 60px;
        /* Remove ALL border radius on mobile - fullscreen mode */
        border-radius: 0 !important;
    }
    
    .resize-handle {
        display: none !important; /* Never show resize handles on mobile */
    }
    
    #chat-window.show {
        transform: translateY(0) !important;
    }
    
    #chat-messages {
        height: calc(var(--mobile-viewport-height) - 200px) !important;
        height: calc(-webkit-fill-available - 200px) !important;
        /* Prevent scroll chaining */
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }
    
    #chat-toggle {
        width: 56px !important;
        height: 56px !important;
        /* Touch target optimization */
        touch-action: manipulation;
    }
    
    /* Input area safe zones */
    #chat-input-area {
        padding-bottom: calc(20px + env(safe-area-inset-bottom));
    }
    
    /* Touch-optimized buttons */
    button, [role="button"] {
        min-width: 44px;
        min-height: 44px;
        touch-action: manipulation;
    }
    
    /* Prevent zoom on input focus (iOS) */
    input, textarea {
        font-size: 16px !important; /* Prevents zoom on iOS */
    }
    
    /* Floating input bar on mobile */
    #chat-input-bar {
        bottom: 16px !important;
        right: 16px !important;
        left: 16px !important;
        width: calc(100% - 32px) !important;
        max-width: none !important;
    }
}

/* Smooth show/hide animations */
#chat-window.show {
    display: block !important;
    transform: scale(1) translateY(0) !important;
    opacity: 1 !important;
}

#chat-window.hide {
    transform: scale(0.95) translateY(20px) !important;
    opacity: 0 !important;
}

/* Toast suppression removed - restore notification is now inline, no longer blocks chat */

/* Prevent scroll chaining */
#chat-messages {
    overscroll-behavior: contain;
    scroll-behavior: smooth;
}

/* Custom scrollbar */
#chat-messages::-webkit-scrollbar {
    width: 6px;
}

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

#chat-messages::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 3px;
}

#chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* Pulse animation for badge */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Pulsing ring animation */
@keyframes pulseRing {
    0% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.3);
        opacity: 0.4;
    }
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

/* Subtle glow animation */
@keyframes subtleGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

/* Typing dot animation */
@keyframes typingDot {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.7;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* Fade animations for typing bubble */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

/* Pulse animation for icons */
@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

/* Size variations */
#chat-window.size-large {
    width: 50vw !important;
    height: 80vh !important;
    max-width: 800px !important;
    right: 25vw !important;
    bottom: 10vh !important;
}

#chat-window.size-minimized {
    height: 60px !important;
    border-radius: 12px !important;
}

#chat-window.size-minimized > *:not(:first-child) {
    display: none !important;
}

/* Tab hover effect */
#chat-toggle:hover {
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.4);
}

/* Size toggle button hover */
#chat-size-toggle:hover, #chat-minimize:hover, #chat-close:hover {
    background: rgba(255, 255, 255, 0.2) !important;
}

/* Better badge visibility */
#message-badge {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Pulsing glow animation for new messages */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 10px 40px rgba(15, 23, 42, 0.2), 0 2px 10px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.5);
        border-color: rgba(15, 23, 42, 0.3);
    }
    50% {
        box-shadow: 0 10px 50px rgba(15, 23, 42, 0.4), 0 2px 15px rgba(15, 23, 42, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.5);
        border-color: rgba(15, 23, 42, 0.5);
    }
}

/* Smooth placeholder transitions for premium feel */
#floating-chat-input::placeholder {
    transition: opacity 0.5s ease-in-out, color 0.5s ease-in-out;
    color: rgba(156, 163, 175, 0.8);
}

#floating-chat-input:focus::placeholder {
    opacity: 0.6;
}

/* Premium placeholder animation */
@keyframes placeholderFade {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

.placeholder-transitioning::placeholder {
    animation: placeholderFade 0.8s ease-in-out;
}