/* Alphabet Bar Component */
.alphabet-bar {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xs);
    padding: 4px;
    margin: 8px 0;
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.letter-chip {
    padding: 4px 6px;
    border-radius: var(--border-radius-xs);
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    min-width: 20px;
    text-align: center;
    font-size: 0.85em;
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}

.letter-chip:hover {
    background: var(--lora-accent);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.letter-chip.active {
    background: var(--lora-accent);
    color: white;
    border-color: var(--lora-accent);
}

.letter-chip.disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: default;
}

.letter-chip .count {
    font-size: 0.75em;
    margin-left: 2px;
    opacity: 0.7;
}

.alphabet-bar-section {
    margin: 6px 0;
    padding: 0 2px;
    position: relative;
}

.alphabet-bar-title {
    font-size: 0.75em;
    color: var(--text-color);
    opacity: 0.7;
    margin-right: 8px;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .alphabet-bar {
        padding: 3px;
        gap: 3px;
    }
    
    .letter-chip {
        padding: 3px 5px;
        min-width: 16px;
        font-size: 0.75em;
    }
}

/* Keyframe animations for the active letter */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.letter-chip.active {
    animation: pulse 1s ease-in-out 1;
}