/* ══════════════════════════════════════════════════════════════
   mskql — shared Tufte-inspired stylesheet
   ══════════════════════════════════════════════════════════════ */

/* ── Reset & base ────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --body-width: 55%;
    --fg: #111;
    --fg-dim: #555;
    --bg: #fffff8;
    --accent: #a00;
    --rule: #ccc;
    --code-bg: #f3f1eb;
    --sidenote-width: 300px;
}

html { font-size: 15px; }

body {
    font-family: 'EB Garamond', 'Palatino Linotype', Palatino, 'Book Antiqua', Georgia, serif;
    background: var(--bg);
    color: var(--fg);
    width: var(--body-width);
    margin-left: auto;
    margin-right: auto;
    padding: 3rem 0 5rem 0;
    counter-reset: sidenote-counter;
}

/* ── Typography ──────────────────────────────────────── */
p, ol, ul, dl { font-size: 1.1rem; line-height: 1.7; margin-bottom: 1.2rem; }
li { margin-bottom: 0.3rem; }
ol, ul { padding-left: 1.6rem; }

a { color: var(--fg); text-decoration: none; background-image: linear-gradient(var(--accent), var(--accent)); background-size: 1px 1px; background-repeat: repeat-x; background-position: 0 1.15em; }
a:hover { color: var(--accent); }

strong { font-weight: 600; }

/* ── Headings ────────────────────────────────────────── */
h1 {
    font-weight: 400;
    font-size: 2.6rem;
    line-height: 1.15;
    margin-bottom: 0.4rem;
    font-variant: small-caps;
    text-transform: lowercase;
    letter-spacing: 0.06em;
}

.subtitle {
    font-style: italic;
    font-size: 1.3rem;
    color: var(--fg-dim);
    display: block;
    margin-bottom: 0.6rem;
    line-height: 1.4;
}

.byline {
    font-size: 0.95rem;
    color: var(--fg-dim);
    margin-bottom: 2rem;
}
.byline a { font-size: 0.95rem; }
.byline .author-name { font-size: 1.0rem; }

h2 {
    font-weight: 400;
    font-style: italic;
    font-size: 1.6rem;
    margin-top: 2.8rem;
    margin-bottom: 0.6rem;
    padding-bottom: 0.15rem;
}

h3 {
    font-weight: 600;
    font-style: normal;
    font-size: 1.15rem;
    margin-top: 1.6rem;
    margin-bottom: 0.4rem;
}

/* ── Accent rule under title ─────────────────────────── */
.title-rule {
    border: none;
    height: 3px;
    background: var(--accent);
    width: 60px;
    margin: 0 0 2rem 0;
}

/* ── Epigraph ────────────────────────────────────────── */
.epigraph {
    margin: 2.5rem 0 2.5rem 0;
    padding: 0;
}
.epigraph blockquote {
    font-style: italic;
    font-size: 1.05rem;
    line-height: 1.65;
    margin: 0;
    padding: 0 0 0 1.5rem;
    border-left: 3px solid var(--accent);
}
.epigraph blockquote footer {
    font-style: normal;
    font-size: 0.9rem;
    color: var(--fg-dim);
    margin-top: 0.5rem;
}

/* ── Sidenotes / margin notes ────────────────────────── */
.sidenote, .marginnote {
    float: right;
    clear: right;
    margin-right: calc(-1 * var(--sidenote-width) - 40px);
    width: var(--sidenote-width);
    font-size: 0.85rem;
    line-height: 1.45;
    color: var(--fg-dim);
    vertical-align: baseline;
    position: relative;
}
.sidenote { counter-increment: sidenote-counter; }
.sidenote::before {
    content: counter(sidenote-counter);
    font-size: 0.7rem;
    position: relative;
    top: -0.4rem;
    padding-right: 0.15rem;
    color: var(--accent);
    font-weight: 600;
}
sup.sidenote-ref {
    font-size: 0.7rem;
    color: var(--accent);
    font-weight: 600;
    cursor: default;
}
sup.sidenote-ref::after {
    content: counter(sidenote-counter);
    counter-increment: sidenote-counter;
}

/* ── Code ────────────────────────────────────────────── */
code {
    font-family: 'Menlo', 'Consolas', 'DejaVu Sans Mono', monospace;
    font-size: 0.82rem;
    background: var(--code-bg);
    padding: 0.1em 0.35em;
    border-radius: 2px;
}
pre {
    background: var(--code-bg);
    border-left: 3px solid var(--accent);
    padding: 1rem 1.2rem;
    overflow-x: auto;
    font-size: 0.82rem;
    line-height: 1.55;
    margin: 1rem 0 1.4rem 0;
}
pre code { background: none; padding: 0; border-radius: 0; }
pre code.hljs { background: var(--code-bg); padding: 0; }
.hljs { background: var(--code-bg); }

/* ── Tables (Tufte: full-width, minimal rules) ───────── */
.fullwidth { width: 100%; }
table {
    border-collapse: collapse;
    font-size: 0.95rem;
    width: 100%;
    margin: 1rem 0 1.4rem 0;
}
th, td {
    padding: 0.4rem 0.8rem;
    text-align: left;
    border-bottom: 1px solid var(--rule);
}
thead th {
    border-bottom: 2px solid var(--fg);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
tbody tr:last-child td { border-bottom: 2px solid var(--fg); }
td code { font-size: 0.8rem; }

/* ── Result tables (Tufte style) ───────────────────────── */
.result-table {
    font-family: 'EB Garamond', Georgia, serif;
    font-size: 0.92rem;
    border-collapse: collapse;
    margin: 0.6rem 0 1.2rem 0;
    width: 100%;
    border-top: 2px solid var(--fg);
    border-bottom: 2px solid var(--fg);
}
.result-table th {
    font-weight: 400;
    font-size: 0.78rem;
    font-variant: small-caps;
    text-transform: lowercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--fg);
    padding: 0.3rem 0.6rem 0.25rem;
    text-align: left;
    color: var(--fg);
}
.result-table td {
    padding: 0.22rem 0.6rem;
    border: none;
    white-space: nowrap;
}
.result-table .null-val { color: #999; font-style: italic; }
.result-table .num-val {
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-family: 'EB Garamond', Georgia, serif;
}
.result-label {
    font-family: 'EB Garamond', Georgia, serif;
    font-size: 0.8rem;
    font-style: italic;
    color: var(--fg-dim);
    margin: 0 0 0.3rem 0;
}
.query-pair {
    display: flex;
    gap: 1.2rem;
    align-items: stretch;
    margin: 0.8rem 0 1.4rem 0;
}
.query-pair pre {
    flex: 1 1 50%;
    min-width: 0;
    margin: 0;
}
.query-pair .result-wrap {
    flex: 1 1 50%;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.query-pair .result-table {
    margin: 0;
}
@media (max-width: 900px) {
    .query-pair {
        flex-direction: column;
    }
    .query-pair pre,
    .query-pair .result-wrap {
        flex: 1 1 auto;
    }
}

/* ── Divider ─────────────────────────────────────────── */
hr {
    border: none;
    border-top: 1px solid var(--rule);
    margin: 2.5rem 0;
}

/* ── Footer ──────────────────────────────────────────── */
footer.site-footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--rule);
    font-size: 0.85rem;
    color: var(--fg-dim);
}
footer.site-footer a { font-size: 0.85rem; }

/* ── Diagram ─────────────────────────────────────────── */
.diagram {
    margin: 2rem auto;
    text-align: center;
}
.diagram svg {
    max-width: 100%;
    height: auto;
}

/* ── Breadcrumb nav ──────────────────────────────────── */
.breadcrumb {
    font-size: 0.85rem;
    color: var(--fg-dim);
    margin-bottom: 1.5rem;
}
.breadcrumb a { font-size: 0.85rem; }

/* ── Navigation strip ─────────────────────────────────── */
.toc-strip {
    margin: 1.2rem 0 2rem 0;
    padding: 0.5rem 0;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    font-size: 0.88rem;
    line-height: 1.9;
    color: var(--fg-dim);
}
.toc-strip a {
    font-size: 0.88rem;
    color: var(--fg-dim);
    background-image: none;
    white-space: nowrap;
}
.toc-strip a:hover {
    color: var(--accent);
}
.toc-strip a + a::before {
    content: " · ";
    color: var(--rule);
}
.toc-sep {
    display: inline;
}
.toc-sep::before {
    content: "  ·  ";
    color: var(--rule);
}
.toc-sep + a::before {
    content: none;
}

/* ── Responsive: collapse sidenotes on narrow screens ── */
@media (max-width: 1100px) {
    body { width: 80%; }
    .sidenote, .marginnote {
        float: none;
        display: block;
        margin: 0.8rem 0 0.8rem 1.5rem;
        width: auto;
        font-size: 0.9rem;
        color: var(--fg-dim);
        border-left: 2px solid var(--rule);
        padding-left: 0.8rem;
    }
}
@media (max-width: 700px) {
    body { width: 90%; padding: 2rem 0 3rem 0; }
    h1 { font-size: 2rem; }
}