#chat-widget {
        position: fixed;
        bottom: 20px;
        right: 20px;
        z-index: 999999;
        font-family: sans-serif;
    }

    #chat-toggle {
        display: none;
    }

    #chat-bubble {
        width: 70px;
        height: 70px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: #2563eb;
        color: white;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
        cursor: pointer;
        user-select: none;
        transition: all 0.25s ease;
    }

    #chat-bubble img {
        width: 70px;
        height: 70px;
        border-radius: 50%;
    }

    #chat-bubble:hover {
        transform: scale(1.05);
    }

    .bubble-inner {
        pointer-events: none;
    }

    #chat-box {
        width: 360px;
        height: 520px;
        background: white;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);

        position: absolute;
        right: 0;
        bottom: 0;

        transform: translateX(120%);
        opacity: 0;
        transition: all 0.3s ease;
    }

    #chat-box iframe {
        width: 100%;
        height: 100%;
        border: none;
    }

    #chat-toggle:checked ~ #chat-box {
        transform: translateX(0);
        opacity: 1;
    }

    #chat-toggle:checked ~ #chat-bubble {
        opacity: 0;
        pointer-events: none;
        transform: scale(0.5);
    }

    @media (max-width: 768px) {
        #chat-box {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            width: 100vw;
            height: 100vh;
            border-radius: 0;
            transform: translateY(100%);
            opacity: 0;
        }

        #chat-toggle:checked ~ #chat-box {
            transform: translateY(0);
            opacity: 1;
        }
    }