body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    background-color: var(--background);
    color: var(--light-text);
}
#start-screen {
    text-align: center;
    padding: 20px;
}
#start-screen h1 {
    color: var(--primary-neon);
    text-shadow: 0 0 20px var(--primary-neon), 0 0 30px var(--primary-neon);
}
#start-screen h2, #start-screen p {
    color: var(--secondary-neon);
    text-shadow: 0 0 5px var(--secondary-neon);
}
#start-screen button {
    padding: 15px 30px;
    margin: 10px;
    font-size: 18px;
    cursor: pointer;
    border: 2px solid var(--primary-neon);
    border-radius: 5px;
    box-shadow: 0 0 15px var(--primary-neon);
    transition: background-color 0.2s, box-shadow 0.2s;
    min-width: 250px;
    background-color: var(--primary-dark);
    color: var(--secondary-neon);
    border-color: var(--primary-neon);
}
#start-screen button:hover {
    background-color: var(--primary-neon);
    color: var(--dark-text);
    box-shadow: 0 0 30px var(--primary-neon);
}
.button-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
    flex-wrap: wrap; 
}
.button-group button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    margin-top: 15px;
    transition: background-color 0.2s, box-shadow 0.2s;
    background-color: var(--primary-dark);
    color: var(--secondary-neon);
    border: 2px solid var(--primary-neon);
    box-shadow: 0 0 10px var(--primary-neon);
    min-width: 100px; 
}
.button-group button:hover {
    background-color: var(--primary-neon);
    color: var(--dark-text);
    box-shadow: 0 0 20px var(--primary-neon);
}
.neon-glowing-button {
    background-color: var(--secondary-dark) !important;
    color: var(--dark-text) !important;
    border: 2px solid var(--secondary-neon) !important;
    box-shadow: 0 0 15px var(--secondary-neon) !important;
}
.neon-glowing-button:hover {
    background-color: var(--secondary-neon) !important;
    color: var(--dark-text) !important;
    box-shadow: 0 0 30px var(--secondary-neon) !important;
}