.greek-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 16px;
    margin: 40px 0;
    padding: 20px;
}
.greek-letter {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 10px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background-color: var(--bg-container-small);
    cursor: pointer;
    transition: all 0.2s ease;
}
.greek-letter:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-small-container--hover);
    border-color: var(--primary);
}
.greek-letter.playing {
    border-color: var(--gold);
    box-shadow: 0 0 15px var(--gold);
}
.greek-letter.no-audio {
    opacity: 0.6;
    cursor: default;
}
.greek-letter.no-audio:hover {
    transform: none;
    box-shadow: none;
}
.greek-symbol {
    font-size: 48px;
    font-weight: 500;
    line-height: 1;
    color: var(--title-color);
}
.greek-symbol-lower {
    font-size: 32px;
    color: var(--text-faded);
    margin-top: 4px;
}
.greek-name {
    font-size: 18px;
    font-weight: 600;
    margin-top: 8px;
    color: var(--text-color);
}
.greek-letter .play-icon {
    font-size: 12px;
    margin-top: 6px;
    color: var(--primary);
    opacity: 0;
    transition: opacity 0.2s;
}
.greek-letter:hover .play-icon {
    opacity: 1;
}
.greek-letter.no-audio .play-icon {
    display: none;
}