.citation-reference {
    position: relative;
    display: inline-block;
    vertical-align: super;
    font-size: .76em;
    line-height: 1;
    margin-left: .12em;
}
.citation-reference .inline-citation {
    display: inline;
    padding: 1px 2px;
    border: 0;
    border-radius: 3px;
    background: transparent;
    color: #2563a6;
    font: inherit;
    text-decoration: none;
    cursor: pointer;
}
.citation-reference .inline-citation:hover,
.citation-reference .inline-citation:focus-visible {
    color: #17477a;
    background: #eaf2fc;
    outline: 2px solid #aac8e8;
    outline-offset: 2px;
}
.citation-tooltip {
    display: none;
    position: fixed;
    z-index: 100;
    top: 12px;
    left: 12px;
    width: min(340px, 72vw);
    max-height: 300px;
    overflow-y: auto;
    padding: 12px 14px;
    border: 1px solid #d8e2ee;
    border-radius: 10px;
    box-shadow: 0 6px 24px #1f39521f;
    color: #26384b;
    background: #fff;
    font-size: 13px;
    line-height: 1.55;
    font-weight: normal;
    text-align: left;
}
.citation-reference.is-open .citation-tooltip { display: block; }
.citation-reference::before,
.citation-reference::after {
    content: '';
    position: absolute;
    left: -4px;
    right: -4px;
    height: 9px;
}
.citation-reference::before { bottom: 100%; }
.citation-reference::after { top: 100%; }
.citation-tooltip > * { display: block; }
.citation-tooltip > * + * { margin-top: 5px; }
.citation-source-note { color: #64748b; }
.citation-excerpt {
    padding-top: 7px;
    border-top: 1px solid #e2e8f0;
    white-space: pre-wrap;
}
@media (max-width: 600px) {
    .citation-tooltip { width: 90vw; box-sizing: border-box; }
}