/* ===============================
   PUBLICATION ENTRIES
   =============================== */

/* Subtle lift on journal cover images */
.columns img {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border-radius: 3px;
}

.columns img:hover {
    transform: scale(1.04);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

/* ===============================
   ABSTRACT / DETAILS TOGGLE
   =============================== */

details {
    margin-top: 0.6em;
    border-left: 3px solid var(--bs-border-color, #D8DEE3);
    padding-left: 0.85em;
}

details[open] {
    border-left-color: var(--bs-link-color, #C43E33);
}

details summary {
    cursor: pointer;
    font-size: 0.875em;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--bs-link-color, #C43E33);
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    user-select: none;
}

details summary::-webkit-details-marker {
    display: none;
}

details summary::before {
    content: "▸";
    font-size: 0.75em;
    transition: transform 0.15s ease;
    display: inline-block;
}

details[open] summary::before {
    transform: rotate(90deg);
}

details summary:hover {
    opacity: 0.8;
}

details > *:not(summary) {
    font-size: 0.9em;
    line-height: 1.65;
    margin-top: 0.6em;
    color: var(--bs-body-color);
}

/* ===============================
   SECTION HEADINGS (Research page)
   =============================== */

h3 {
    letter-spacing: 0.02em;
    font-variant-caps: small-caps;
}

/* ===============================
   BLOG LISTING
   =============================== */

/* Category badges */
.listing-category {
    font-size: 0.78em;
    letter-spacing: 0.03em;
    border-radius: 3px;
}