@page {
    size: A4;
    margin: 25mm 25mm 30mm 25mm;

    @bottom-center {
        content: counter(page);
        font-family: "Times New Roman", Times, serif;
        font-size: 10pt;
    }
}

body {
    font-family: "Times New Roman", Times, serif;
    font-size: 12pt;
    line-height: 1.5;
    color: #000;
    max-width: 160mm;
    margin: 0 auto;
    text-align: justify;
    counter-reset: page;
}

.page {
    break-after: page;
}

/* ── Title page ── */
.title-page {
    text-align: center;
    padding-top: 80mm;
}

.title-page h1 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.title-page .meta {
    margin-top: 2rem;
    font-size: 0.95rem;
    line-height: 1.8;
}

.title-page .meta p {
    margin: 0;
}

/* ── Headings ── */
h1 { font-size: 1.5rem; }
h2 { font-size: 1.3rem; margin-top: 2rem; }
h3 { font-size: 1.1rem; margin-top: 1.5rem; }
h4 { font-size: 1rem; margin-top: 1rem; }

h1, h2, h3, h4 {
    break-after: avoid;
}

/* ── Figures ── */
figure {
    margin: 1.5rem 0;
    text-align: center;
    break-inside: avoid;
}

figure img {
    max-width: 100%;
}

figure svg {
    width: 100%;
    height: auto;
}

figcaption {
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* ── Code ── */
pre, code {
    font-family: "Courier New", Courier, monospace;
    font-size: 0.9rem;
}

pre {
    background: #f5f5f5;
    padding: 1rem;
    overflow-x: auto;
    border: 1px solid #ddd;
    break-inside: avoid;
}

code {
    background: #f0f0f0;
    padding: 0.1em 0.3em;
    border-radius: 2px;
}

pre code {
    background: none;
    padding: 0;
}

/* ── Tables ── */
table {
    border-collapse: collapse;
    margin: 1rem auto;
    font-size: 0.95rem;
    break-inside: avoid;
}

th, td {
    border: 1px solid #666;
    padding: 0.4rem 0.8rem;
    text-align: left;
}

th {
    background: #f0f0f0;
}

/* ── Lists ── */
ol, ul {
    margin: 0.5rem 0;
    padding-left: 2rem;
}

li {
    margin: 0.3rem 0;
}

/* ── References ── */
#references ol {
    padding-left: 2rem;
}

#references li {
    margin: 0.5rem 0;
    font-size: 0.95rem;
}

/* ── Table of Contents ── */
.toc {
    margin: 1rem 0 2rem 0;
    padding: 1rem 1.5rem;
    border-left: 3px solid #ccc;
    break-inside: avoid;
}

.toc ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc li {
    margin: 0.2rem 0;
    line-height: 1.4;
}

.toc a {
    text-decoration: none;
    color: #000;
}

.toc a:hover {
    text-decoration: underline;
}

.toc .toc-h2 { font-weight: bold; margin-top: 0.4rem; }
.toc .toc-h3 { padding-left: 1.5rem; }
.toc .toc-h4 { padding-left: 3rem; font-size: 0.95rem; }