/* Alphabet bar (templates/components/alphabet_bar.html): /lemma/, /onomastica/namedentities/ */
.alpha-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem 0.35rem;
    padding: 0.75rem 0 0.5rem;
}
.alpha-letter {
    position: relative;
    min-width: 1.9rem;
    padding: 0.2rem 0.4rem;
    text-align: center;
    font-family: var(--font-serif);
    font-size: var(--fs-md);
    line-height: 1.3;
    color: var(--bs-body-color);
    border: 1px solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
    cursor: pointer;
    user-select: none;
    transition: background-color .15s, border-color .15s, color .15s;
}
.alpha-letter:hover {
    background: var(--bs-tertiary-bg);
    border-color: var(--bs-primary-border-subtle);
}
.btn-check:checked + .alpha-letter {
    background: var(--bs-primary-bg-subtle);
    border-color: var(--bs-primary);
    color: var(--bs-primary-text-emphasis);
    text-shadow: 0 0 .35px currentColor, 0 0 .35px currentColor;
}
.btn-check:focus-visible + .alpha-letter {
    outline: 2px solid var(--bs-primary);
    outline-offset: 1px;
}
.btn-check:disabled + .alpha-letter {
    color: var(--bs-tertiary-color);
    border-style: dashed;
    cursor: default;
    opacity: .6;
}
/* Bootstrap "positioned" badge, scaled down */
.alpha-count {
    position: absolute;
    top: 0;
    left: 100%;
    transform: translate(-60%, -55%);
    z-index: 1;
    padding: 0.15em 0.4em;
    font-family: var(--font-text);
    font-size: var(--fs-2xs);
    font-weight: 400;
    color: var(--bs-secondary-color);
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    pointer-events: none;
}
.btn-check:checked + .alpha-letter .alpha-count {
    color: var(--bs-white);
    background: var(--bs-primary);
    border-color: var(--bs-primary);
}
.alpha-clear {
    margin-left: 0.4rem;
    padding: 0.2rem 0.5rem;
    font-size: var(--fs-sm);
    color: var(--bs-secondary-color);
    background: none;
    border: 1px solid transparent;
    border-radius: var(--bs-border-radius);
}
.alpha-clear:hover:not(:disabled) {
    color: var(--bs-danger-text-emphasis);
    background: var(--bs-danger-bg-subtle);
}
.alpha-clear:disabled { opacity: .3; }