body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    overflow: hidden;
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
    position: absolute;
}

#infoButton {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #0066cc;
    border: none;
    cursor: pointer;
    font-size: 20px;
    z-index: 1000;
    transition: transform 0.3s ease;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
}

#infoButton:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 10px rgba(0,0,0,0.19), 0 3px 6px rgba(0,0,0,0.23);
}

#chatButton {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #0066cc;
    border: none;
    cursor: pointer;
    z-index: 1000;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
}

#chatButton:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 10px rgba(0,0,0,0.19), 0 3px 6px rgba(0,0,0,0.23);
}

#chatButton .material-symbols-outlined {
    color: white;
    font-size: 24px;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(5px);
    z-index: 1001;
}

.modal-content {
    position: relative;
    background: white;
    margin: 15% auto;
    padding: 20px;
    width: 70%;
    max-width: 700px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    font-family: 'Roboto', sans-serif;
}

.modal-content h2 {
    color: #333;
    margin-bottom: 20px;
    font-family: 'Roboto', sans-serif;
    font-weight: 500;
}

.modal-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
}

.modal-content a {
    color: #0066cc;
    text-decoration: none;
}

.modal-content a:hover {
    text-decoration: underline;
}

#closeModal {
    display: block;
    margin: 20px auto 0;
    padding: 10px 20px;
    background: #333;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

#closeModal:hover {
    background: #555;
}

#caption {
    position: fixed;
    bottom: 20px;
    left: 20px;
    color: #333;
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 4px;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}