/**
 * Medical Terms Index
 * Cross-axis A-Z alphabetical index for all medical glossary pages.
 * Pattern matches civil-engineering-glossary.css with mti- prefix.
 */

.medical-terms-index-glossary {
    display: block;
}

.medical-terms-index-layout {
    max-width: 1180px;
}

/* Axis legend — shows which color dot maps to which medical axis. */
.mti-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    padding: 0.5rem 0.5rem 0.75rem;
    margin: 0 0 0.25rem;
    font-size: 0.82rem;
    color: rgba(0, 0, 0, 0.6);
}

.mti-legend__item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.mti-legend__dot {
    display: inline-block;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    flex: 0 0 auto;
}

/* Sticky A-Z jump index. */
.mti-index {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.75rem 0.5rem;
    margin: 0 0 1.5rem;
    background: var(--special-page-surface-bg, #fff);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.mti-index__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.1rem;
    padding: 0.25rem 0.6rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.85rem;
    line-height: 1.2;
    text-decoration: none;
    color: rgba(0, 0, 0, 0.7);
    transition: all 0.18s ease;
}

.mti-index__link:hover,
.mti-index__link:focus {
    color: #000;
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.25);
}

.mti-index__link--active {
    color: #fff;
    border-color: #c62828;
    background: #c62828;
}

.mti-index__link--active:hover,
.mti-index__link--active:focus {
    color: #fff;
    background: #b71c1c;
    border-color: #b71c1c;
}

.mti-index__link--empty {
    opacity: 0.25;
    border-style: dashed;
    pointer-events: none;
}

/* Letter sections. */
.mti-letter {
    margin: 0 0 1.75rem;
    scroll-margin-top: 3.5rem;
}

.mti-letter__head {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    margin: 0 0 0.75rem;
    padding-bottom: 0.3rem;
    border-bottom: 2px solid rgba(0, 0, 0, 0.15);
}

.mti-letter__char {
    font-size: 1.5rem;
    font-weight: 700;
}

.mti-letter__count {
    font-size: 0.85rem;
    opacity: 0.6;
}

/* Multi-column compact list. */
.mti-list {
    list-style: none;
    margin: 0;
    padding: 0;
    column-width: 340px;
    column-gap: 2rem;
}

.mti-row {
    break-inside: avoid;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.6rem;
    padding: 0.45rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.mti-row__mn {
    font-weight: 600;
    text-decoration: none;
    color: inherit;
}

a.mti-row__mn:hover,
a.mti-row__mn:focus {
    text-decoration: underline;
}

.mti-row__jp {
    opacity: 0.85;
}

.mti-row__en {
    width: 100%;
    font-size: 0.85rem;
    opacity: 0.6;
}

.mti-row__tag {
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    flex: 0 0 auto;
    padding: 0;
    border-radius: 50%;
    vertical-align: middle;
    background: var(--mti-tag, rgba(0, 0, 0, 0.18));
    border: 0;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
    opacity: 0.85;
}

.mti-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.mti-footer__total {
    font-weight: 600;
    margin: 0 0 0.5rem;
}

@media (max-width: 720px) {
    .mti-list {
        column-width: auto;
        columns: 1;
    }

    .mti-legend {
        gap: 0.35rem 0.75rem;
        font-size: 0.78rem;
    }
}