body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #343a40;
}
#canvas-container {
    position: relative;
    width: 100vw;
    height: 100vh;
}
#info-panel {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}
#info-panel-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}
#modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    max-width: 600px;
}
#close-modal {
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
    font-size: 1.5em;
    color: #6c757d;
}
#info-title {
    margin-top: 0;
    font-size: 1.8em;
    color: #343a40;
}
#info-url {
    font-size: 1.1em;
    color: #007bff;
    word-break: break-all;
}
#info-cover {
    width: 100%;
    height: auto;
    max-height: 60vh;
    margin-top: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
#back-button {
    display: none;
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1em;
}
#back-button:hover {
    background-color: #0056b3;
}