body {
    font-size: 20px;
}

p {
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.25rem;
    line-height: 2.75rem;
    font-weight: normal;
    margin-top: 1rem;
    margin-bottom: 2rem;
}

h2 {
    font-size: 1.6rem;
    font-weight: normal;
    text-align: center;
    margin-bottom: 1rem;
}

section {
    padding: 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: justify;
}

section.title {
    padding-top: 3rem;
    text-align: center;

}

.abstract {
    max-width: 56rem;
    padding-top: 1rem;
}

.content {
    max-width: 80rem;
}

img,
iframe,
video {
    display: block;
    margin: 0 auto 0;
    clip-path: fill-box;
}

img {
    width: 90%;
}

.two-col {
    display: flex;
    flex-direction: row;
    gap: 3rem;
    margin-bottom: 1rem;
}

.two-col>div {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.authors {
    margin-bottom: 0rem;
}

.btn-row {
    display: flex;
    gap: 1rem;
}

.btn {
    border: 2px solid #000;
    border-radius: 0.75rem;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: #000;
}

.btn:hover {
    color: #66800B;
    border-color: #66800B;
}

/* ── Citation ── */
.caption {
    font-size: 1rem;
    font-style: italic;
    text-align: center;
    margin-top: 0.5rem;
}

pre.citation {
    background: #f0ede0;
    border: 1px solid #ccc;
    padding: 1rem;
    overflow-x: auto;
    font-size: 0.85rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

/* ── Latex Table ── */
table {
    border-collapse: collapse;
    font-family: serif;
    margin: 0 auto;
}

th,
td {
    padding: 0px 16px;
    line-height: 1.3;
    text-align: right;
}

td:first-child,
th:first-child {
    text-align: left;
}

td:first-child {
    text-align: left;
}

thead tr {
    border-bottom: 2px solid black;
}

.group-end {
    border-bottom: 1px solid black;
}

tfoot tr {
    border-top: 2px solid black;
}




/* ── Responsive ── */
@media (max-width: 640px) {
    .two-col {
        flex-direction: column;
    }

    h1 {
        font-size: 1.4rem;
    }
}