#color-settings-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85); 
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}
#color-settings-box {
    background-color: var(--background);
    padding: 30px 50px;
    border-radius: 10px;
    text-align: center;
    color: var(--light-text);
    border: 3px solid var(--primary-neon);
    box-shadow: 0 0 30px var(--primary-neon);
    max-width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
}
#color-settings-box h1 {
    color: var(--primary-neon);
    text-shadow: 0 0 20px var(--primary-neon), 0 0 30px var(--primary-neon);
}
#color-settings-box p {
    color: var(--secondary-neon);
    text-shadow: 0 0 5px var(--secondary-neon);
}
#theme-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}
.theme-button {
    padding: 15px 20px;
    margin: 5px;
    font-size: 16px; 
    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, opacity 0.2s, filter 0.2s;
    flex-grow: 1;
    min-width: 180px;
    max-width: 250px;
}
#color-settings-box.columns-2 #theme-list {
    max-width: 520px;
}
#color-settings-box.columns-2 .theme-button {
    flex-basis: 48%;
    max-width: 250px;
}
#color-settings-box.columns-3 #theme-list {
    max-width: 780px;
}
#color-settings-box.columns-3 .theme-button {
    flex-basis: 32%;
    max-width: 250px;
}
.theme-button:hover {
    filter: brightness(1.2); 
    box-shadow: 0 0 30px var(--primary-neon);
}
.theme-button.active {
    opacity: 0.8; 
    border: 4px solid var(--secondary-neon) !important;
    box-shadow: 0 0 10px var(--secondary-neon) !important;
    transform: none; 
}