/*
Theme Name: Marginalia
Theme URI: https://zhangzheng.net
Author: Zhang Zheng
Description: A quiet, reading-first block theme for a scholar's site. A narrow margin rail carries labels, dates and running years; the main column holds text at reading width. Built for English and Chinese side by side.
Version: 1.0.0
Requires at least: 6.6
Tested up to: 7.1
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: marginalia
Tags: blog, one-column, custom-logo, editor-style, full-site-editing, block-patterns, translation-ready
*/

/* ---- Fonts are loaded from Google Fonts in functions.php (Source Serif 4, IBM Plex Sans and Mono, Noto Serif SC) ---- */

/* ------------------------------------------------------------------
   Layout: a scholarly edition. A narrow left rail carries labels,
   dates and running years; the main column holds reading-width text
   (about 65 Latin or 36 CJK characters). One column on phones.
   Colours and fonts come from theme.json presets so the Site Editor
   and the front end agree.
   ------------------------------------------------------------------ */

html { -webkit-text-size-adjust: 100%; }
body { -webkit-font-smoothing: antialiased; }
a { text-decoration-thickness: 1px; text-underline-offset: .18em; text-decoration-color: color-mix(in srgb, var(--wp--preset--color--plan) 45%, transparent); }
a:hover { text-decoration-color: var(--wp--preset--color--plan); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--wp--preset--color--plan); outline-offset: 3px; border-radius: 2px; }
img { max-width: 100%; height: auto; }

/* Chinese text: its own serif stack, no synthetic italics, dot emphasis instead of slanting */
:lang(zh) { font-family: var(--wp--preset--font-family--cjk); }
:lang(zh) h1, :lang(zh) h2, :lang(zh) h3, h1:lang(zh), h2:lang(zh), h3:lang(zh) { font-style: normal; letter-spacing: .01em; }
:lang(zh) em, :lang(zh) i { font-style: normal; -webkit-text-emphasis: filled circle; text-emphasis: filled circle; -webkit-text-emphasis-position: under; text-emphasis-position: under; }

.wp-site-blocks { padding-block: .75rem 4rem; }

/* ---- Masthead ---- */
.wp-block-group.mast { padding-block: .5rem 1.75rem; row-gap: .75rem; column-gap: 2rem; }
.wp-block-site-title.who { margin: 0; font-size: 1.2rem; font-weight: 600; letter-spacing: -.005em; line-height: 1.3; }
.wp-block-site-title.who a { color: var(--wp--preset--color--ink); text-decoration: none; }
.wp-block-navigation.nav { font-family: var(--wp--preset--font-family--sans); font-size: .86rem; }
.wp-block-navigation.nav .wp-block-navigation__container { gap: 1.4rem; }
.wp-block-navigation.nav a { color: var(--wp--preset--color--ink); text-decoration: none; padding-block: .2rem; border-bottom: 1.5px solid transparent; }
.wp-block-navigation.nav a:hover { border-bottom-color: var(--wp--preset--color--rule); }
.wp-block-navigation.nav .current-menu-item > a { border-bottom-color: var(--wp--preset--color--ink); }

/* ---- Rows with a rail ---- */
main.page-body > .wp-block-columns.row { margin-block: 0; }
.wp-block-columns.row { border-top: 1px solid var(--wp--preset--color--rule); padding-block: 1.9rem; column-gap: 2.25rem; row-gap: .75rem; }
.wp-block-columns.row.hero { border-top: 0; padding-top: 1rem; }
.wp-block-column.rail { min-width: 0; }
.wp-block-column.rail > * + * { margin-block-start: .6rem; }
.wp-block-column.main { min-width: 0; max-width: 38rem; }
.label { font-family: var(--wp--preset--font-family--sans); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--wp--preset--color--mute); font-weight: 500; margin: 0; padding-top: .45rem; line-height: 1.4; }
.label a { color: inherit; text-decoration: none; }
.label a:hover { text-decoration: underline; }
.sub { font-family: var(--wp--preset--font-family--sans); font-size: .78rem; color: var(--wp--preset--color--mute); margin: .6rem 0 0; line-height: 1.5; }

/* ---- Hero ---- */
.wp-block-site-logo.avatar { margin: 0; }
.wp-block-site-logo.avatar img { width: 5.25rem; height: 5.25rem; border-radius: 50%; object-fit: cover; background: var(--wp--preset--color--soft); }
.role { font-family: var(--wp--preset--font-family--sans); font-size: .86rem; color: var(--wp--preset--color--mute); margin: 0 0 .9rem; }
.statement { font-family: var(--wp--preset--font-family--serif); font-weight: 400; font-size: clamp(1.55rem, 1.05rem + 2vw, 2.2rem); line-height: 1.22; letter-spacing: -.012em; margin: 0 0 1rem; text-wrap: balance; max-width: 26ch; }
p.statement, .statement.small { font-size: clamp(1.4rem, 1rem + 1.4vw, 1.8rem); }
.lede { margin: 0; font-size: 1.1rem; color: var(--wp--preset--color--mute); line-height: 1.55; }
.kinds { font-family: var(--wp--preset--font-family--sans); font-size: .86rem; margin: 1rem 0 0; }

/* ---- Key/value tables (research, publications, cv, contact) ---- */
.wp-block-table.facts, .wp-block-table.pubs, .wp-block-table.cv, .wp-block-table.contact { margin: 0; overflow: visible; }
.wp-block-table.facts table, .wp-block-table.pubs table, .wp-block-table.cv table, .wp-block-table.contact table { border-collapse: collapse; width: 100%; border: 0; font-size: 1rem; table-layout: auto; }
.wp-block-table.facts td, .wp-block-table.pubs td, .wp-block-table.cv td, .wp-block-table.contact td { border: 0; padding: .35rem 0; vertical-align: top; line-height: 1.5; }
.wp-block-table.facts td:first-child, .wp-block-table.contact td:first-child { font-family: var(--wp--preset--font-family--sans); font-size: .78rem; color: var(--wp--preset--color--mute); width: 5.5rem; padding-top: .55rem; padding-right: 1rem; white-space: nowrap; }
.wp-block-table.pubs td:first-child, .wp-block-table.cv td:first-child { font-family: var(--wp--preset--font-family--mono); font-size: .78rem; color: var(--wp--preset--color--mute); width: 4.25rem; padding-top: .5rem; padding-right: .75rem; white-space: nowrap; font-variant-numeric: tabular-nums; }
.wp-block-table.pubs tr + tr td, .wp-block-table.cv tr + tr td { border-top: 1px dotted var(--wp--preset--color--rule); padding-top: .7rem; padding-bottom: .5rem; }
.wp-block-table.pubs td, .wp-block-table.cv td { padding-bottom: .5rem; }
.wp-block-table.pubs strong { font-weight: 600; }
.wp-block-table.contact a + a { margin-left: .6rem; }

/* ---- Ledger of writing (query loops) ---- */
.wp-block-query.ledger .wp-block-post-template { margin: 0; padding: 0; list-style: none; }
.wp-block-query.ledger .wp-block-post-template > * + * { margin-block-start: 0; }
.ledger li.wp-block-post { display: grid; grid-template-columns: 4.25rem minmax(0, 1fr); column-gap: .75rem; padding-block: .65rem; border-top: 1px dotted var(--wp--preset--color--rule); margin: 0; }
.ledger li.wp-block-post:first-child, .ledger li.wp-block-post:has(> .year) { border-top: 0; }
.year { grid-column: 1 / -1; font-family: var(--wp--preset--font-family--mono); font-size: .78rem; color: var(--wp--preset--color--mute); font-weight: 400; margin: 1.1rem 0 .35rem; display: flex; align-items: center; gap: .75rem; line-height: 1.4; }
.year::after { content: ""; flex: 1; height: 1px; background: var(--wp--preset--color--rule); }
.ledger li.wp-block-post:first-child .year { margin-top: 0; }
.ledger .wp-block-post-date.date { font-family: var(--wp--preset--font-family--mono); font-size: .78rem; color: var(--wp--preset--color--mute); padding-top: .28rem; font-variant-numeric: tabular-nums; white-space: nowrap; margin: 0; }
.wp-block-group.ebody { min-width: 0; }
.wp-block-group.ebody > * + * { margin-block-start: .3rem; }
.ledger h3.etitle { margin: 0; font-size: 1.15rem; font-weight: 600; line-height: 1.3; letter-spacing: -.005em; text-wrap: pretty; }
.ledger h3.etitle:lang(zh) { letter-spacing: .01em; font-size: 1.12rem; }
.ledger h3.etitle a { color: var(--wp--preset--color--ink); text-decoration: none; }
.ledger h3.etitle a:hover { text-decoration: underline; text-decoration-color: var(--wp--preset--color--rule); }
.ledger .wp-block-post-excerpt.excerpt p { margin: 0; color: var(--wp--preset--color--mute); font-size: .97rem; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ledger .wp-block-post-excerpt.excerpt:lang(zh) p { line-height: 1.7; font-size: .94rem; }
.wp-block-group.emeta { font-family: var(--wp--preset--font-family--sans); font-size: .76rem; color: var(--wp--preset--color--mute); gap: .5rem; align-items: center; }
.emeta .wp-block-post-terms { margin: 0; }
.emeta .wp-block-post-terms a { color: inherit; text-decoration: none; }
.emeta .wp-block-post-terms a:hover { text-decoration: underline; }
.stamp { display: inline-block; font-family: var(--wp--preset--font-family--sans); font-size: .62rem; line-height: 1; padding: .22em .38em .18em; border: 1px solid currentColor; border-radius: 2px; letter-spacing: .05em; font-weight: 500; vertical-align: .1em; }
.stamp.zh { color: var(--wp--preset--color--seal); font-family: var(--wp--preset--font-family--cjk); font-size: .68rem; letter-spacing: 0; padding: .18em .3em .12em; }
.stamp.en { color: var(--wp--preset--color--plan); }
.wp-block-query-pagination.pager { font-family: var(--wp--preset--font-family--sans); font-size: .84rem; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--wp--preset--color--rule); }
.wp-block-query-pagination.pager a { color: var(--wp--preset--color--ink); text-decoration: none; }
.wp-block-query-pagination.pager a:hover { text-decoration: underline; }

/* ---- Single posts and pages ---- */
.wp-block-column.main h1.post-title { font-size: clamp(1.6rem, 1.15rem + 1.7vw, 2.15rem); font-weight: 600; line-height: 1.18; letter-spacing: -.012em; margin: 0 0 1.4rem; text-wrap: balance; }
.wp-block-column.main h1.post-title:lang(zh) { letter-spacing: .01em; line-height: 1.3; }
.wp-block-column.main h1.post-title a { color: inherit; text-decoration: none; }
.wp-block-group.meta { font-family: var(--wp--preset--font-family--sans); font-size: .78rem; color: var(--wp--preset--color--mute); line-height: 1.7; gap: .15rem; padding-top: .5rem; }
.meta .wp-block-post-date { margin: 0; }
.wp-block-group.meta-line { gap: .4rem; align-items: center; }
.meta .wp-block-post-terms { margin: 0; }
.meta .wp-block-post-terms a { color: inherit; text-decoration: none; }
.meta .wp-block-post-terms a:hover { text-decoration: underline; }
.toc { position: sticky; top: 1rem; padding-top: 1.4rem; font-family: var(--wp--preset--font-family--sans); font-size: .78rem; line-height: 1.45; color: var(--wp--preset--color--mute); }
.admin-bar .toc { top: 3rem; }
.toc h2 { font-family: var(--wp--preset--font-family--sans); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 500; margin: 0 0 .5rem; line-height: 1.4; }
.toc ol { margin: 0; padding-left: 1.1rem; display: flex; flex-direction: column; gap: .3rem; }
.toc li.sub { list-style: none; padding-left: .6rem; }
.toc a { color: inherit; text-decoration: none; }
.toc a:hover { color: var(--wp--preset--color--ink); }

.prose { font-size: 1.0625rem; }
.prose > * + * { margin-block-start: 1.25rem; }
.prose > :first-child { margin-block-start: 0; }
.prose p { margin-block: 0; line-height: 1.66; }
.prose p + p { margin-block-start: 1.25rem; }
.prose:lang(zh) p, .prose:lang(zh) li { line-height: 1.92; letter-spacing: .01em; }
.prose:lang(zh) p { text-align: justify; }
.prose h2 { font-size: 1.32rem; font-weight: 600; line-height: 1.3; margin: 2.1rem 0 0; text-wrap: balance; letter-spacing: -.005em; }
.prose h3 { font-size: 1.12rem; font-weight: 600; line-height: 1.35; margin: 1.6rem 0 0; }
.prose h4 { font-size: 1rem; font-weight: 600; margin: 1.4rem 0 0; }
.prose h2 + *, .prose h3 + *, .prose h4 + * { margin-block-start: .65rem !important; }
.wp-block-column.main .prose > figure, .wp-block-column.main .prose > .wp-block-image { margin-block: 1.9rem; }
.prose figure img, .prose .wp-block-image img { border-radius: 2px; }
.prose figcaption, .prose .wp-element-caption { font-family: var(--wp--preset--font-family--sans); font-size: .78rem; color: var(--wp--preset--color--mute); margin-top: .5rem; text-align: left; }
.prose blockquote { border-left: 2px solid var(--wp--preset--color--rule); margin: 0; padding: .1rem 0 .1rem 1.1rem; color: var(--wp--preset--color--mute); }
.prose blockquote p + p { margin-top: .8em; }
.prose ul, .prose ol { padding-left: 1.4rem; margin-block: 0; }
.prose li + li { margin-top: .3rem; }
.prose hr { border: 0; border-top: 1px solid var(--wp--preset--color--rule); margin: 2rem 0; }
.prose code { font-family: var(--wp--preset--font-family--mono); font-size: .9em; }
.prose table { border-collapse: collapse; font-size: .95rem; }
.prose .wp-block-table td, .prose .wp-block-table th { border-color: var(--wp--preset--color--rule); }
.prose .alignwide, .prose .alignfull { max-width: 100%; margin-inline: 0; }
.prose .alignleft { float: left; margin: .3rem 1.2rem .6rem 0; max-width: 45%; }
.prose .alignright { float: right; margin: .3rem 0 .6rem 1.2rem; max-width: 45%; }
.prose .aligncenter { margin-inline: auto; }

.wp-block-group.postnav { font-family: var(--wp--preset--font-family--sans); font-size: .84rem; border-top: 1px solid var(--wp--preset--color--rule); margin-top: 2.25rem; padding-top: 1rem; gap: 1rem; }
.postnav .wp-block-post-navigation-link { max-width: 48%; }
.postnav .post-navigation-link__label { display: block; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--wp--preset--color--mute); margin-bottom: .2rem; }
.postnav a { color: var(--wp--preset--color--ink); text-decoration: none; }
.postnav a:hover { text-decoration: underline; text-decoration-color: var(--wp--preset--color--rule); }
.postnav .post-navigation-link-next { text-align: right; margin-left: auto; }

/* ---- Portrait images in a rail ---- */
.wp-block-image.portrait { margin: 0; }
.wp-block-image.portrait img { width: 100%; border-radius: 2px; aspect-ratio: 3 / 4; object-fit: cover; background: var(--wp--preset--color--soft); }
.wp-block-image.portrait figcaption { font-family: var(--wp--preset--font-family--sans); font-size: .74rem; color: var(--wp--preset--color--mute); margin-top: .45rem; line-height: 1.45; text-align: left; }

/* ---- Search ---- */
.wp-block-search__input { font-family: var(--wp--preset--font-family--sans); font-size: .95rem; border: 1px solid var(--wp--preset--color--rule); border-radius: 3px; padding: .5em .7em; background: transparent; color: var(--wp--preset--color--ink); }
.wp-block-search__button { font-family: var(--wp--preset--font-family--sans); font-size: .84rem; border: 1px solid var(--wp--preset--color--rule); background: transparent; color: var(--wp--preset--color--ink); padding: .5em .9em; border-radius: 3px; cursor: pointer; }
.wp-block-search__button:hover { border-color: var(--wp--preset--color--mute); }

/* ---- Colophon ---- */
.wp-block-group.colophon { border-top: 1px solid var(--wp--preset--color--rule); margin-top: 3rem; padding-top: 1rem; font-family: var(--wp--preset--font-family--sans); font-size: .78rem; color: var(--wp--preset--color--mute); gap: 1.25rem; }
.colophon p { margin: 0; }
.colophon a { color: inherit; }

/* ---- Editor placeholders for the theme's small dynamic blocks ---- */
.marginalia-placeholder { font-family: var(--wp--preset--font-family--sans); font-size: .75rem; color: var(--wp--preset--color--mute); border: 1px dashed var(--wp--preset--color--rule); padding: .2em .5em; border-radius: 2px; }

/* ---- Narrow screens ---- */
@media (max-width: 781px) {
  .wp-block-columns.row { padding-block: 1.5rem; row-gap: .6rem; }
  .wp-block-site-logo.avatar img { width: 4rem; height: 4rem; }
  .label { padding-top: 0; }
  .toc, .admin-bar .toc { position: static; padding-top: .9rem; }
  .wp-block-group.mast { padding-bottom: 1.1rem; }
  .wp-block-image.portrait { max-width: 11rem; }
  .statement { max-width: none; }
}
@media (max-width: 480px) {
  .ledger li.wp-block-post { grid-template-columns: 1fr; row-gap: .15rem; }
  .ledger .wp-block-post-date.date { padding-top: 0; }
  .ledger .wp-block-post-excerpt.excerpt p { -webkit-line-clamp: 3; }
  .wp-block-table.pubs td:first-child, .wp-block-table.cv td:first-child { width: 3.6rem; }
}

/* ---- Dark scheme follows the reader's system setting ---- */
@media (prefers-color-scheme: dark) {
  :root {
    --wp--preset--color--paper: #15181F;
    --wp--preset--color--ink: #E7E8E3;
    --wp--preset--color--mute: #9CA2AE;
    --wp--preset--color--rule: #2C313C;
    --wp--preset--color--soft: #1C2029;
    --wp--preset--color--plan: #86ACE6;
    --wp--preset--color--seal: #E0786A;
    color-scheme: dark;
  }
  .prose img, .wp-block-image.portrait img { opacity: .92; }
}

@media print {
  .wp-block-navigation.nav, .toc, .wp-block-group.postnav, .wp-block-group.colophon { display: none; }
}