#nex-chat-widget {
            --nex-blue: #0099F9;
            --nex-red: #FF334C;
            --nex-black: #000000;
            --nex-white: #FFFFFF;
            --primary-color: #0099F9;
            --primary-hover: #0077d1;
            --accent-color: var(--nex-red);
            --bg-color: var(--nex-white);
            --text-color: var(--nex-black);
            --light-gray: #f5f7fa;
            --border-radius: 16px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            font-family: 'Public Sans', sans-serif;
        }

        #nex-chat-widget h1,
        #nex-chat-widget h2,
        #nex-chat-widget h3,
        #nex-chat-widget h4,
        #nex-chat-widget h5,
        #nex-chat-widget h6,
        #nex-chat-widget p,
        #nex-chat-widget ul,
        #nex-chat-widget li,
        #nex-chat-widget button,
        #nex-chat-widget a,
        #nex-chat-widget input {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        #nex-chat-widget #nex-chat-fab {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 100px;
            height: 100px;
            background-color: transparent;
            border: none;
            border-radius: 0;
            cursor: pointer;
            box-shadow: none;
            transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0;
        }
        
        @media (max-width: 480px) {
            #nex-chat-widget #nex-chat-fab {
                width: 70px;
                height: 70px;
                bottom: 120px;
                right: 16px;
            }
        }

        #nex-chat-widget #nex-chat-fab:hover {
            transform: scale(1.08);
        }

        #nex-chat-widget #nex-chat-fab svg {
            width: 100%;
            height: 100%;
        }

        #nex-chat-widget #nex-chat-window {
            position: fixed;
            bottom: 100px;
            right: 24px;
            width: 380px;
            height: 600px;
            background-color: var(--bg-color);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            z-index: 1000;
            transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
            border: 1px solid rgba(0, 0, 0, 0.05);
            font-family: 'Public Sans', sans-serif;
        }

        #nex-chat-widget #nex-chat-window.hidden {
            display: none;
        }

        #nex-chat-widget .chat-header {
            background-color: var(--nex-white);
            color: var(--nex-black);
            padding: 12px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 90px;
            border-bottom: 1px solid #e2e8f0;
        }

        #nex-chat-widget .header-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 18px;
        }

        #nex-chat-widget .avatar-wrapper {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            border: 2px solid white;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        #nex-chat-widget .avatar-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        #nex-chat-widget .avatar {
            font-size: 24px;
        }

        #nex-chat-widget .close-btn {
            background: none;
            border: none;
            color: var(--nex-black);
            cursor: pointer;
            opacity: 0.6;
            transition: opacity 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 8px;
        }

        #nex-chat-widget .close-btn:hover {
            opacity: 1;
        }

        #nex-chat-widget .close-btn .material-symbols-outlined {
            font-size: 24px;
        }

        #nex-chat-widget .screen {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 0;
            overflow-y: auto;
            background-color: white;
        }

        #nex-chat-widget .screen.hidden {
            display: none !important;
        }

        #nex-chat-widget .content-wrapper {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 24px;
            overflow-y: auto;
        }

        #nex-chat-widget .welcome-text {
            text-align: center;
            margin-bottom: 36px;
            color: var(--text-color);
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
        }

        #nex-chat-widget .welcome-subtitle {
            text-align: center;
            margin-bottom: 32px;
            color: #64748b;
            font-size: 15px;
            font-weight: 500;
            line-height: 1.6;
        }

        #nex-chat-widget .buttons-container {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        #nex-chat-widget .option-btn {
            padding: 0 32px;
            height: 48px;
            border: 2px solid var(--primary-color);
            border-radius: 9999px;
            background-color: white;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            transition: all 0.2s;
            color: var(--primary-color);
            font-family: inherit;
        }

        #nex-chat-widget .option-btn:hover {
            background-color: rgba(0, 153, 249, 0.05);
        }

        #nex-chat-widget .option-btn.primary {
            background-color: var(--primary-color);
            color: var(--nex-white);
            border: none;
            box-shadow: 0 4px 12px rgba(0, 153, 249, 0.3);
        }

        #nex-chat-widget .option-btn.primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 153, 249, 0.4);
        }

        #nex-chat-widget .support-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 24px;
        }

        #nex-chat-widget .support-content h3 {
            color: var(--nex-black);
            margin: 0 0 24px 0;
            font-size: 22px;
            font-weight: 700;
        }

        #nex-chat-widget .support-content > p {
            color: #64748b;
            margin: 0 0 8px 0;
            font-size: 14px;
            line-height: 1.5;
        }

        #nex-chat-widget .contact-cards {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
            margin-top: 8px;
        }

        #nex-chat-widget .contact-card {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 4px;
            padding: 8px 16px;
            border-radius: 12px;
            text-decoration: none;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        #nex-chat-widget .contact-card:hover {
            background-color: rgba(0, 153, 249, 0.05);
        }

        #nex-chat-widget .contact-card .material-symbols-outlined {
            font-size: 26px;
            color: var(--primary-color);
            font-variation-settings: 'wght' 300, 'FILL' 0;
        }

        #nex-chat-widget .contact-card-icon {
            width: 26px;
            height: 26px;
            color: var(--primary-color);
            margin-bottom: 4px;
        }

        #nex-chat-widget .contact-card-info h4 {
            font-weight: 700;
            font-size: 16px;
            color: #1e293b;
            margin: 8px 8px 8px 0;
        }

        #nex-chat-widget .contact-card-info p {
            font-size: 14px;
            color: #64748b;
            margin: 0;
            line-height: 1.4;
        }

        #nex-chat-widget .back-btn {
            background: white;
            border: 2px solid var(--primary-color);
            border-radius: 9999px;
            color: var(--primary-color);
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 32px;
            height: 48px;
            transition: all 0.2s;
            margin-top: 16px;
            font-family: inherit;
        }

        #nex-chat-widget .back-btn:hover {
            background-color: rgba(0, 153, 249, 0.05);
        }

        #nex-chat-widget #nex-chat-screen {
            display: flex;
            flex-direction: column;
            padding: 0;
        }

        #nex-chat-widget #nex-messages-area {
            flex: 1;
            overflow-y: auto;
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        #nex-chat-widget .message {
            max-width: 85%;
            padding: 14px 18px;
            border-radius: 18px;
            font-size: 15px;
            line-height: 1.5;
            position: relative;
        }

        #nex-chat-widget .message.bot {
            background-color: var(--light-gray);
            color: var(--nex-black);
            align-self: flex-start;
            border-bottom-left-radius: 4px;
        }

        #nex-chat-widget .message.user {
            background-color: var(--primary-color);
            color: var(--nex-white);
            align-self: flex-end;
            border-bottom-right-radius: 4px;
            box-shadow: 0 2px 8px rgba(0, 153, 249, 0.2);
        }

        #nex-chat-widget .input-area {
            display: flex;
            gap: 12px;
            padding: 20px;
            border-top: 1px solid #eee;
            background-color: var(--nex-white);
        }

        #nex-chat-widget #nex-user-input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 24px;
            outline: none;
            font-family: inherit;
            font-size: 15px;
            transition: border-color 0.2s;
        }

        #nex-chat-widget #nex-user-input:focus {
            border-color: var(--primary-color);
        }

        #nex-chat-widget .input-area button {
            background-color: var(--primary-color);
            color: var(--nex-white);
            border: none;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
            flex-shrink: 0;
        }

        #nex-chat-widget .input-area button:hover {
            background-color: var(--primary-hover);
        }

        #nex-chat-widget .input-area button .material-symbols-outlined {
            font-size: 20px;
        }

        #nex-chat-widget .chat-footer {
            padding: 8px 0 24px;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 4px;
            opacity: 0.5;
            background: white;
            flex-shrink: 0;
        }

        #nex-chat-widget .powered-label {
            font-size: 10px;
            font-weight: 700;
            color: #94a3b8;
            text-transform: uppercase;
            letter-spacing: 0.1em;
        }

        #nex-chat-widget .powered-nex {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary-color);
        }

        #nex-chat-widget .powered-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary-color);
            margin-top: 2px;
        }

        #nex-chat-widget #nex-messages-area::-webkit-scrollbar {
            width: 6px;
        }

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

        #nex-chat-widget #nex-messages-area::-webkit-scrollbar-thumb {
            background: #ddd;
            border-radius: 3px;
        }

        #nex-chat-widget #nex-messages-area::-webkit-scrollbar-thumb:hover {
            background: #ccc;
        }

        #nex-chat-widget #nex-suggestions-container {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 8px;
            padding: 0 10px;
        }

        #nex-chat-widget .suggestion-chip {
            background-color: var(--nex-white);
            border: 1px solid var(--primary-color);
            color: var(--primary-color);
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 13px;
            cursor: pointer;
            transition: all 0.2s;
            font-family: inherit;
            font-weight: 500;
        }

        #nex-chat-widget .suggestion-chip:hover {
            background-color: var(--primary-color);
            color: var(--nex-white);
        }

        #nex-chat-widget .chat-icon-img {
            width: 128px;
            height: 128px;
            object-fit: contain;
        }

        #nex-chat-widget .typing-indicator {
            background: var(--nex-white);
            padding: 16px 20px;
            max-width: fit-content;
        }

        #nex-chat-widget .typing-dots {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        #nex-chat-widget .typing-dots span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: #90949c;
            animation: nexTypingAnimation 1.4s infinite;
        }

        #nex-chat-widget .typing-dots span:nth-child(1) { animation-delay: 0s; }
        #nex-chat-widget .typing-dots span:nth-child(2) { animation-delay: 0.2s; }
        #nex-chat-widget .typing-dots span:nth-child(3) { animation-delay: 0.4s; }

        @keyframes nexTypingAnimation {
            0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
            30% { opacity: 1; transform: scale(1); }
        }