* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #333; /* Dark grey background */
    color: #fff;            /* White text color */
    font-family: Arial, sans-serif;
    height: 100vh;          /* Full height */
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;       /* Prevent scrollbars */
}

.loading-screen {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 10;
    background: rgba(0, 0, 0, 0.8); /* Slightly transparent dark background */
}

.spinner {
    border: 8px solid #f3f3f3; /* Light grey */
    border-top: 8px solid #3498db; /* Blue spinner */
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

p {
    margin-top: 10px;
    font-size: 16px;
}

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