body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f4f4f4;
    overflow: hidden;
}

.no-scroll {
    overflow: hidden;
}

.container {
    text-align: center;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    width: 300px;
    margin: 0 auto;
}

h1 {
    margin-bottom: 20px;
}

input {
    padding: 10px;
    font-size: 16px;
    margin-bottom: 10px;
    width: 100%;
    border-radius: 5px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    width: 115px;
    margin-top: 10px;
}

button:hover {
    background-color: #2980b9;
}

#roleResult {
    margin-top: 20px;
    font-size: 18px;
    font-weight: bold;
}

#loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-box {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.2);
}

.spinner {
    border: 4px solid #ccc;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 3s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden {
    display: none;
}