/*
Theme Name:   Black Ink
Theme URI:    https://www.black-ink.org/
Author:       Alasdair Watson
Author URI:   https://www.black-ink.org/
Description:  A quiet, typography-led dark-mode theme. Hoefler Text for reading, Helvetica Neue for interface, mono faces for metadata. Electric-blue links. No JavaScript.
Version:      1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License:      GPL v2 or later
License URI:  https://www.gnu.org/licenses/gpl-2.0.html
Text Domain:  black-ink
Tags:         blog, one-column, custom-menu, dark, serif, minimal, featured-images
*/

/* ──────────────────────────────────────────────────────────────
   Tokens
   ────────────────────────────────────────────────────────────── */
:root {
  --bi-bg:           #000;
  --bi-bg-raised:    #0a0a0a;
  --bi-rule:         #141414;
  --bi-rule-strong:  #1c1c1c;
  --bi-fg:           #B8B8B8;
  --bi-fg-bright:    #EAEAEA;
  --bi-fg-muted:     #8A8A8A;
  --bi-fg-dim:       #5A5A5A;
  --bi-fg-dimmer:    #4A4A4A;
  --bi-fg-dimmest:   #2a2a2a;
  --bi-link:         #4A9EFF;
  --bi-link-rule:    rgba(74, 158, 255, 0.35);

  --bi-serif:  "Hoefler Text", "Iowan Old Style", "Palatino Linotype", Palatino, "Apple Garamond", Baskerville, "Times New Roman", serif;
  --bi-sans:   "Helvetica Neue", Helvetica, Arial, sans-serif;
  --bi-mono:   "SF Mono", "JetBrains Mono", "IBM Plex Mono", Menlo, Consolas, monospace;

  --bi-body-size:    19px;
  --bi-body-lh:      1.65;
  --bi-measure:      680px;
  --bi-sidebar-w:    200px;
  --bi-gutter:       40px;
  --bi-shell:        1040px;
  --bi-page-pad:     48px;
}

/* ──────────────────────────────────────────────────────────────
   Reset & base
   ────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bi-bg);
  color: var(--bi-fg);
  font-family: var(--bi-serif);
  font-size: var(--bi-body-size);
  line-height: var(--bi-body-lh);
  font-feature-settings: "liga" 1, "onum" 1, "kern" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  position: fixed;
  top: 12px;
  left: 12px;
  width: auto;
  height: auto;
  padding: 8px 14px;
  background: var(--bi-bg-raised);
  color: var(--bi-fg-bright);
  border: 1px solid var(--bi-rule-strong);
  font-family: var(--bi-sans);
  font-size: 13px;
  z-index: 9999;
}

/* ──────────────────────────────────────────────────────────────
   Shell
   ────────────────────────────────────────────────────────────── */
.bi-page {
  min-height: 100vh;
  padding: 0 var(--bi-page-pad) 120px;
}
.bi-shell {
  max-width: var(--bi-shell);
  margin: 0 auto;
}

/* ──────────────────────────────────────────────────────────────
   Header — centered wordmark, caps nav
   ────────────────────────────────────────────────────────────── */
.bi-header {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--bi-rule-strong);
  text-align: center;
}
.bi-wordmark {
  display: block;
  font-family: var(--bi-serif);
  font-size: 44px;
  font-style: italic;
  font-weight: 400;
  color: var(--bi-fg-bright);
  letter-spacing: -0.012em;
  line-height: 1;
  text-decoration: none;
}
.bi-wordmark:hover { color: var(--bi-fg); }
.bi-tagline {
  display: block;
  margin-top: 12px;
  font-family: var(--bi-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bi-fg-dim);
}
.bi-nav {
  margin-top: 28px;
  display: flex;
  gap: 24px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  font-family: var(--bi-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bi-fg-muted);
}
.bi-nav ul { list-style: none; padding: 0; margin: 0; display: contents; }
.bi-nav li { display: flex; align-items: center; gap: 24px; }
.bi-nav li + li::before {
  content: "\00b7";
  color: var(--bi-fg-dimmest);
}
.bi-nav a {
  color: var(--bi-fg);
  text-decoration: none;
}
.bi-nav a:hover { color: var(--bi-fg-bright); }
.bi-nav .current-menu-item > a,
.bi-nav .current_page_item > a { color: var(--bi-fg-bright); }

.bi-search {
  display: inline-flex;
  margin-left: 8px;
}
.bi-search-form {
  display: flex;
  align-items: center;
}
.bi-search-label { position: absolute; left: -9999px; }
.bi-search-input {
  font-family: var(--bi-mono);
  font-size: 10px;
  color: var(--bi-fg-dim);
  background: transparent;
  border: 1px solid var(--bi-rule-strong);
  border-radius: 2px;
  padding: 5px 10px;
  letter-spacing: 0.08em;
  width: 120px;
  text-transform: none;
}
.bi-search-input::placeholder { color: var(--bi-fg-dim); }
.bi-search-input:focus {
  outline: none;
  border-color: var(--bi-fg-dim);
  color: var(--bi-fg);
}
.bi-search-submit {
  position: absolute;
  left: -9999px;
}

/* ──────────────────────────────────────────────────────────────
   Post layout — 200px sidebar + body column
   ────────────────────────────────────────────────────────────── */
.bi-post {
  display: grid;
  grid-template-columns: var(--bi-sidebar-w) 1fr;
  gap: var(--bi-gutter);
  padding: 56px 0;
  border-bottom: 1px solid var(--bi-rule);
}
.bi-post:first-of-type { padding-top: 56px; }

.bi-meta {
  font-family: var(--bi-mono);
  font-size: 11px;
  color: var(--bi-fg-dim);
  letter-spacing: 0.03em;
  line-height: 1.7;
  position: sticky;
  top: 24px;
  align-self: start;
}
.bi-meta-date {
  display: block;
  color: var(--bi-fg-muted);
  margin-bottom: 10px;
  text-decoration: none;
}
.bi-meta-date:hover { color: var(--bi-fg-bright); }
.bi-meta-kind {
  display: inline-block;
  font-family: var(--bi-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bi-link);
  padding: 2px 0;
  margin-bottom: 14px;
}
.bi-meta-tags {
  display: block;
  margin-top: 14px;
  color: var(--bi-fg-dimmer);
}
.bi-meta-tags a {
  display: block;
  color: var(--bi-fg-dim);
  text-decoration: none;
}
.bi-meta-tags a:hover { color: var(--bi-fg-bright); }

.bi-body {
  max-width: var(--bi-measure);
  min-width: 0;
}

/* ──────────────────────────────────────────────────────────────
   Titles and body type
   ────────────────────────────────────────────────────────────── */
.bi-title {
  font-family: var(--bi-serif);
  font-size: 44px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--bi-fg-bright);
  margin: 0 0 32px;
}
.bi-title a {
  color: inherit;
  text-decoration: none;
}
.bi-title a:hover { color: #FFF; }

.bi-title--small { font-size: 32px; }

.bi-body p,
.bi-body ul,
.bi-body ol,
.bi-body blockquote {
  font-size: var(--bi-body-size);
  line-height: var(--bi-body-lh);
  margin: 0 0 1.2em;
}
.bi-body p { text-wrap: pretty; }

.bi-body a {
  color: var(--bi-link);
  text-decoration: none;
  border-bottom: 1px solid var(--bi-link-rule);
  transition: border-color .15s;
}
.bi-body a:hover { border-bottom-color: var(--bi-link); }

.bi-body blockquote {
  margin: 1.4em 0;
  padding-left: 20px;
  border-left: 2px solid var(--bi-rule-strong);
  font-style: italic;
  color: var(--bi-fg-muted);
}

.bi-body h2,
.bi-body h3,
.bi-body h4 {
  font-family: var(--bi-serif);
  color: var(--bi-fg-bright);
  margin: 1.8em 0 0.6em;
  line-height: 1.25;
}
.bi-body h2 { font-size: 28px; letter-spacing: -0.012em; font-weight: 400; }
.bi-body h3 { font-size: 22px; font-weight: 400; }
.bi-body h4 { font-size: 18px; font-weight: 600; font-family: var(--bi-sans); letter-spacing: 0.02em; }

/* Drop cap on essays (single-post view or bi-drop class) */
.bi-drop > p:first-of-type::first-letter {
  font-family: var(--bi-serif);
  float: left;
  font-size: 80px;
  line-height: 0.85;
  padding: 6px 12px 0 0;
  color: var(--bi-fg-bright);
  font-weight: 400;
}

/* Figures / images inside posts */
.bi-body figure {
  margin: 1.4em 0;
}
.bi-body figure.alignwide,
.bi-body .wp-block-image.alignwide,
.bi-body img.size-full.alignwide {
  margin-left: calc(-1 * (var(--bi-sidebar-w) + var(--bi-gutter)));
  width: calc(100% + var(--bi-sidebar-w) + var(--bi-gutter));
  max-width: none;
}
.bi-body figcaption,
.bi-body .wp-caption-text {
  font-family: var(--bi-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--bi-fg-dim);
  margin-top: 8px;
}

/* ──────────────────────────────────────────────────────────────
   Bookmarks (external-service markup: .bookmarks-list)
   ────────────────────────────────────────────────────────────── */
.bi-bookmarks .bookmarks-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.bi-bookmarks .bookmark-item {
  position: relative;
  margin: 0 0 1.1em;
  font-size: var(--bi-body-size);
  line-height: var(--bi-body-lh);
  color: var(--bi-fg);
}
.bi-bookmarks .bookmark-item > a {
  color: var(--bi-link);
  text-decoration: none;
  border-bottom: 1px solid var(--bi-link-rule);
}
.bi-bookmarks .bookmark-item > a:hover {
  border-bottom-color: var(--bi-link);
}
.bi-bookmarks .bookmark-description {
  margin: 6px 0 0;
  font-size: var(--bi-body-size);
  line-height: var(--bi-body-lh);
  color: var(--bi-fg);
}
.bi-bookmarks .bookmark-tags strong { display: none; }

@media (min-width: 900px) {
  /* Wide: pull tags into the sidebar gutter; stack them vertically
     by zeroing the container font-size (hides the commas + whitespace)
     and re-enabling it on each .tag-link as a block. */
  .bi-bookmarks .bookmark-tags {
    position: absolute;
    top: 0;
    left: calc(-1 * (var(--bi-sidebar-w) + var(--bi-gutter)));
    width: var(--bi-sidebar-w);
    text-align: left;
    margin: 0;
    padding: 2px 0 0;
    font-size: 0;
    line-height: 0;
  }
  .bi-bookmarks .bookmark-tags .tag-link {
    display: block;
    font-family: var(--bi-mono);
    font-size: 11px;
    line-height: 1.7;
    letter-spacing: 0.03em;
    color: var(--bi-fg-dim);
    text-decoration: none;
    border-bottom: none;
  }
  .bi-bookmarks .bookmark-tags .tag-link:hover { color: var(--bi-fg-bright); }
}
@media (max-width: 899px) {
  .bi-bookmarks .bookmark-tags {
    margin: 6px 0 0;
    font-family: var(--bi-mono);
    font-size: 12px;
    color: var(--bi-fg-dimmer);
    letter-spacing: 0.03em;
  }
  .bi-bookmarks .bookmark-tags .tag-link {
    color: var(--bi-fg-dim);
    text-decoration: none;
    border-bottom: none;
  }
}

/* ──────────────────────────────────────────────────────────────
   Thought / aside post format
   ────────────────────────────────────────────────────────────── */
.bi-thought .bi-body > p:first-of-type {
  font-family: var(--bi-serif);
  font-size: 24px;
  line-height: 1.45;
  font-style: italic;
  color: #D0D0D0;
  margin: 0 0 0.6em;
}

/* ──────────────────────────────────────────────────────────────
   Gallery
   ────────────────────────────────────────────────────────────── */
.bi-body .wp-block-gallery,
.bi-body .gallery {
  margin-left: calc(-1 * (var(--bi-sidebar-w) + var(--bi-gutter)));
  width: calc(100% + var(--bi-sidebar-w) + var(--bi-gutter));
  max-width: none;
}
.bi-body .gallery {
  display: grid;
  grid-template-columns: repeat(var(--bi-gallery-cols, 3), 1fr);
  gap: 8px;
}
.bi-body .gallery-item { margin: 0 !important; }
.bi-body .gallery-columns-2 { --bi-gallery-cols: 2; }
.bi-body .gallery-columns-3 { --bi-gallery-cols: 3; }
.bi-body .gallery-columns-4 { --bi-gallery-cols: 4; }
.bi-body .gallery-columns-6 { --bi-gallery-cols: 6; }
.bi-body .gallery img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; }

/* ──────────────────────────────────────────────────────────────
   Collapsed "Earlier" index
   ────────────────────────────────────────────────────────────── */
.bi-earlier {
  padding: 32px 0 0;
}
.bi-earlier-head {
  display: grid;
  grid-template-columns: var(--bi-sidebar-w) 1fr;
  gap: var(--bi-gutter);
  padding: 0 0 16px;
  border-bottom: 1px solid var(--bi-rule);
}
.bi-earlier-label {
  grid-column: 2;
  font-family: var(--bi-sans);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bi-fg-dimmer);
}
.bi-earlier-row {
  display: grid;
  grid-template-columns: var(--bi-sidebar-w) 1fr auto;
  gap: var(--bi-gutter);
  padding: 18px 0;
  border-bottom: 1px solid #0f0f0f;
  align-items: baseline;
}
.bi-earlier-date {
  font-family: var(--bi-mono);
  font-size: 11px;
  color: var(--bi-fg-dim);
  letter-spacing: 0.03em;
}
.bi-earlier-title {
  font-family: var(--bi-serif);
  font-size: 18px;
  color: #C8C8C8;
  text-decoration: none;
}
.bi-earlier-title:hover { color: var(--bi-fg-bright); }
.bi-earlier-kind {
  font-family: var(--bi-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bi-fg-dimmer);
}

/* ──────────────────────────────────────────────────────────────
   Pagination
   ────────────────────────────────────────────────────────────── */
.bi-pagination {
  display: grid;
  grid-template-columns: var(--bi-sidebar-w) 1fr;
  gap: var(--bi-gutter);
  margin-top: 56px;
  padding: 28px 0;
  border-top: 1px solid var(--bi-rule-strong);
  font-family: var(--bi-sans);
  font-size: 12px;
}
.bi-pagination-inner {
  grid-column: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--bi-fg-muted);
}
.bi-pagination a { color: var(--bi-fg); text-decoration: none; }
.bi-pagination a:hover { color: var(--bi-fg-bright); }
.bi-pagination-num {
  font-family: var(--bi-mono);
  font-size: 11px;
  color: var(--bi-fg-dim);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ──────────────────────────────────────────────────────────────
   Single-post footer (tags, author, comments link)
   ────────────────────────────────────────────────────────────── */
.bi-post-footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--bi-rule);
  font-family: var(--bi-mono);
  font-size: 11px;
  color: var(--bi-fg-dim);
  letter-spacing: 0.03em;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.bi-post-footer a {
  color: var(--bi-fg);
  text-decoration: none;
}
.bi-post-footer a:hover { color: var(--bi-fg-bright); }

/* ──────────────────────────────────────────────────────────────
   Comments
   ────────────────────────────────────────────────────────────── */
.bi-comments {
  margin-top: 56px;
}
.bi-comments-title {
  font-family: var(--bi-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bi-fg-muted);
  margin: 0 0 24px;
}
.bi-comments .comment-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.bi-comments .comment {
  padding: 20px 0;
  border-top: 1px solid var(--bi-rule);
}
.bi-comments .comment-meta {
  font-family: var(--bi-mono);
  font-size: 11px;
  color: var(--bi-fg-dim);
  letter-spacing: 0.03em;
  margin-bottom: 8px;
}
.bi-comments .comment-author { color: var(--bi-fg-muted); }
.bi-comments .comment-content p {
  margin: 0 0 0.8em;
}
.bi-comments .comment-respond {
  margin-top: 40px;
}
.bi-comments input[type="text"],
.bi-comments input[type="email"],
.bi-comments input[type="url"],
.bi-comments textarea {
  width: 100%;
  background: transparent;
  color: var(--bi-fg);
  border: 1px solid var(--bi-rule-strong);
  border-radius: 2px;
  padding: 10px 12px;
  font-family: var(--bi-serif);
  font-size: 17px;
  line-height: 1.5;
  margin-bottom: 12px;
}
.bi-comments input[type="submit"] {
  background: transparent;
  color: var(--bi-fg-bright);
  border: 1px solid var(--bi-rule-strong);
  border-radius: 2px;
  padding: 10px 18px;
  font-family: var(--bi-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
}
.bi-comments input[type="submit"]:hover {
  border-color: var(--bi-link);
  color: var(--bi-link);
}

/* ──────────────────────────────────────────────────────────────
   Footer
   ────────────────────────────────────────────────────────────── */
.bi-footer {
  margin-top: 96px;
  padding: 40px 0;
  border-top: 1px solid var(--bi-rule-strong);
  font-family: var(--bi-mono);
  font-size: 11px;
  color: var(--bi-fg-dim);
  letter-spacing: 0.03em;
  text-align: center;
}
.bi-footer a { color: var(--bi-fg); text-decoration: none; }
.bi-footer a:hover { color: var(--bi-fg-bright); }

/* ──────────────────────────────────────────────────────────────
   Responsive: collapse to single column on narrow viewports
   ────────────────────────────────────────────────────────────── */
@media (max-width: 899px) {
  :root {
    --bi-page-pad: 22px;
    --bi-body-size: 17px;
  }
  .bi-post,
  .bi-earlier-head,
  .bi-earlier-row,
  .bi-pagination {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .bi-meta {
    position: static;
    display: flex;
    gap: 16px;
    align-items: baseline;
    flex-wrap: wrap;
    margin-bottom: 20px;
  }
  .bi-meta-date { margin-bottom: 0; }
  .bi-meta-kind { margin-bottom: 0; }
  .bi-meta-tags { margin-top: 0; }
  .bi-meta-tags a { display: inline; margin-right: 10px; }
  .bi-title { font-size: 32px; }
  .bi-body figure.alignwide,
  .bi-body .wp-block-image.alignwide,
  .bi-body .wp-block-gallery,
  .bi-body .gallery {
    margin-left: 0;
    width: 100%;
  }
  .bi-earlier-label { grid-column: 1; }
  .bi-pagination-inner { grid-column: 1; }
  .bi-wordmark { font-size: 36px; }
  .bi-nav { gap: 16px; }
  .bi-nav li { gap: 16px; }
}

/* ──────────────────────────────────────────────────────────────
   WordPress alignments + helpers
   ────────────────────────────────────────────────────────────── */
.alignleft { float: left; margin: 0 1.5em 1em 0; }
.alignright { float: right; margin: 0 0 1em 1.5em; }
.aligncenter { margin-left: auto; margin-right: auto; }
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}
.sticky { /* WordPress requirement; not used visually here */ }
.wp-caption { max-width: 100%; }
.wp-caption-text { text-align: center; }
.gallery-caption { text-align: center; }
.bypostauthor { /* WP requirement */ }