/*
Theme Name: Brentopia
Theme URI: https://brentopia.com
Author: Brent
Author URI: https://brentopia.com
Description: A dark, square-edged WordPress theme for field notes on higher-ed tech, AI, photography, and baseball. Designed for ordinary publishing days — no billboard hero, no rounded cards, no fake startup gloss.
Version: 1.0.0
Requires at least: 6.5
Tested up to: 7.0
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: brentopia
Tags: dark-theme, blog, two-columns, custom-menu, post-formats, threaded-comments, editor-style, block-styles

Brentopia WordPress Theme (C) 2026 Brent
Brentopia is distributed under the terms of the GNU GPL v2 or later.
*/

:root {
  --bg: #090b12;
  --surface: #121722;
  --surface-warm: #1b2233;
  --fg: #f8fafc;
  --fg-2: #cbd5e1;
  --muted: #94a3b8;
  --meta: #60a5fa;
  --border: #2a3447;
  --border-soft: #1d2636;
  --accent: #60a5fa;
  --accent-on: #06101d;
  --accent-hover: color-mix(in oklab, var(--accent), black 8%);
  --accent-active: color-mix(in oklab, var(--accent), black 14%);
  --success: #26de81;
  --warn: #fbbf24;
  --danger: #ff4757;
  --font-display: Inter, system-ui, sans-serif;
  --font-body: Inter, system-ui, sans-serif;
  --font-mono: "SF Mono", ui-monospace, Menlo, monospace;
  --text-xs: 11px;
  --text-sm: 12px;
  --text-base: 14px;
  --text-lg: 16px;
  --text-xl: 20px;
  --text-2xl: 28px;
  --text-3xl: 40px;
  --text-4xl: 56px;
  --leading-body: 1.45;
  --leading-tight: 1.06;
  --tracking-display: -0.025em;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --section-y-desktop: 80px;
  --section-y-tablet: 60px;
  --section-y-phone: 42px;
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;
  --radius-pill: 0;
  --elev-flat: none;
  --elev-ring: 0 0 0 1px var(--border);
  --elev-raised: 0 24px 72px rgba(0, 0, 0, 0.42);
  --focus-ring: 0 0 0 4px rgba(96, 165, 250, 0.28);
  --motion-fast: 100ms;
  --motion-base: 180ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --container-max: 1280px;
  --container-gutter-desktop: 36px;
  --container-gutter-tablet: 24px;
  --container-gutter-phone: 16px;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}
a { color: inherit; text-decoration-color: var(--accent); text-underline-offset: .22em; }
a:hover { color: var(--accent); }
img, svg { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: wait; opacity: .72; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); }
p { text-wrap: pretty; }
h1, h2, h3, h4 { font-family: var(--font-display); text-wrap: balance; }

.skip-link {
  position: fixed;
  inset: var(--space-3) auto auto var(--space-3);
  z-index: 20;
  translate: 0 -140%;
  background: var(--accent);
  color: var(--accent-on);
  padding: var(--space-2) var(--space-3);
}
.skip-link:focus { translate: 0; }

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-wrap, .container {
  width: min(var(--container-max), calc(100% - (var(--container-gutter-desktop) * 2)));
  margin-inline: auto;
}
.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--fg);
  text-decoration: none;
}
.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 2px solid var(--fg);
  font-size: 26px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: var(--tracking-display);
}
.brand-text strong { display: block; font-size: var(--text-lg); line-height: 1; }
.brand-text span { color: var(--muted); font-family: var(--font-mono); font-size: var(--text-xs); }
.nav-toggle { display: none; }
.site-nav, .site-nav-list { display: flex; align-items: center; gap: var(--space-2); }
.site-nav-list { list-style: none; margin: 0; padding: 0; }
.site-nav a, .chip, .btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg-2);
  padding: var(--space-2) var(--space-3);
  min-height: 40px;
  text-decoration: none;
  transition: background var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard);
}
.site-nav a[aria-current="page"], .site-nav a:hover, .chip:hover, .btn:hover { border-color: var(--accent); color: var(--fg); background: var(--surface-warm); }
.site-nav .current-menu-item > a, .site-nav .current_page_item > a { border-color: var(--accent); color: var(--fg); background: var(--surface-warm); }
.btn:active, .wp-block-button__link:active { transform: translateY(1px); }
.btn[aria-pressed="true"], .chip[aria-pressed="true"] { border-color: var(--accent); color: var(--fg); background: var(--surface-warm); }
.btn-primary { background: var(--accent); color: var(--accent-on); border-color: var(--accent); font-weight: 700; }
.btn-primary:hover { background: var(--accent-hover); color: var(--accent-on); }

.template-kicker, .eyebrow {
  color: var(--danger);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.page-intro {
  padding-block: var(--space-8) var(--space-8);
  border-bottom: 1px solid var(--border-soft);
}
.page-intro h1 {
  margin: var(--space-3) 0 var(--space-4);
  max-width: 980px;
  font-size: clamp(var(--text-3xl), 6vw, var(--text-4xl));
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
}
.page-intro p { max-width: 760px; color: var(--fg-2); font-size: var(--text-lg); margin: 0; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 336px; gap: var(--space-8); padding-block: var(--space-8) var(--section-y-desktop); }
.stack { display: grid; gap: var(--space-6); }
.rail { display: grid; gap: var(--space-4); align-content: start; }
.panel, .post-card, .template-card, .comment, .search-result, .widget {
  background: var(--surface);
  border: 1px solid var(--border);
}
.panel { padding: var(--space-5); }
.rail .panel { background: transparent; border-color: var(--border-soft); }
.panel h2, .panel h3 { margin: 0 0 var(--space-3); font-size: var(--text-lg); }
.panel p, .panel li { color: var(--fg-2); }
.meta-row { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; color: var(--muted); font-family: var(--font-mono); font-size: var(--text-xs); }
.post-card { display: grid; grid-template-columns: minmax(220px, 38%) 1fr; min-height: 260px; overflow: clip; background: transparent; }
.post-card.featured { min-height: 380px; }
.post-card.featured .photo-slot { min-height: 380px; }
.photo-slot {
  min-height: 260px;
  border-right: 1px solid var(--border);
  background: var(--surface-warm);
  display: grid;
  grid-template-rows: 1fr auto;
  padding: 0;
  overflow: hidden;
}
.photo-slot img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  filter: saturate(.82) contrast(1.04) brightness(.86);
}
.photo-credit { color: var(--muted); font-family: var(--font-mono); font-size: var(--text-xs); background: color-mix(in oklab, var(--bg), transparent 12%); padding: var(--space-2) var(--space-3); border-top: 1px solid var(--border-soft); }
.photo-credit a { color: var(--fg-2); }
.post-body { padding: var(--space-6); display: grid; gap: var(--space-4); align-content: center; }
.post-body h2, .post-body h3, .entry-title { margin: 0; font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl)); line-height: var(--leading-tight); letter-spacing: var(--tracking-display); }
.post-body p { color: var(--fg-2); margin: 0; }
.tag-list { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.tag-list a, .tag-list span {
  border: 1px solid var(--border-soft);
  background: color-mix(in oklab, var(--surface-warm), transparent 26%);
  color: var(--fg-2);
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-decoration: none;
}
.template-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); padding-block: var(--space-8) var(--section-y-desktop); }
.template-card { padding: var(--space-5); min-height: 220px; display: grid; align-content: space-between; gap: var(--space-5); text-decoration: none; background: transparent; }
.template-card:hover { border-color: var(--accent); background: var(--surface-warm); }
.template-card h2 { margin: 0; font-size: var(--text-xl); }
.template-card p { margin: var(--space-2) 0 0; color: var(--fg-2); }
.template-card code { color: var(--warn); font-family: var(--font-mono); }
.site-footer { border-top: 1px solid var(--border); padding-block: var(--space-8); color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; gap: var(--space-6); flex-wrap: wrap; }

.wp-content { max-width: 824px; }
.wp-content > * { margin-block: 0 var(--space-6); }
.wp-content h2 { font-size: var(--text-2xl); line-height: var(--leading-tight); margin-top: var(--space-8); }
.wp-content p, .wp-content li { color: var(--fg-2); font-size: var(--text-lg); }
.wp-content blockquote, .wp-block-quote { border-left: 4px solid var(--accent); margin-inline: 0; padding: var(--space-4) var(--space-5); background: var(--surface); color: var(--fg); }
.wp-block-image, .wp-block-cover, .wp-block-gallery, .wp-block-code, .wp-block-table { padding: var(--space-4); }
.wp-block-group { padding-block: var(--space-4); }
.focus-columns.wp-block-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
.wp-block-media-text { display: grid; grid-template-columns: minmax(220px, .85fr) 1fr; gap: var(--space-5); align-items: stretch; }
.wp-block-cover { min-height: 320px; display: grid; align-content: end; background: var(--surface-warm); }
.wp-block-code pre, pre.wp-block-code { overflow: auto; font-family: var(--font-mono); color: var(--success); }
.wp-block-table table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); }
.wp-block-table th, .wp-block-table td { border: 1px solid var(--border); padding: var(--space-2); text-align: left; }
.wp-block-table { overflow-x: auto; }
.wp-block-table th { color: var(--fg); background: var(--surface-warm); }
.wp-block-table td { color: var(--fg-2); }
.wp-block-pullquote { border-block: 2px solid var(--border); padding: var(--space-6); text-align: center; }
.wp-block-buttons, .wp-block-buttons .wp-block-button { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.wp-block-button__link { display: inline-block; background: var(--accent); color: var(--accent-on); padding: var(--space-3) var(--space-4); text-decoration: none; font-weight: 700; }
.wp-block-button__link:hover { background: var(--accent-hover); color: var(--accent-on); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2); }
.wp-block-gallery .photo-slot { min-height: 180px; border: 1px solid var(--border-soft); }
.wp-block-gallery .blocks-gallery-grid, .wp-block-gallery .blocks-gallery-item { margin: 0; }
.wp-block-gallery img { filter: saturate(.82) contrast(1.04) brightness(.86); }
.wp-block-cover.has-background-dim .wp-block-cover__inner-container { color: var(--fg); }
.wp-block-cover__inner-container > * { max-width: 760px; }

.page-intro-compact { padding-top: var(--space-8); }
.editorial-rule { border-bottom: 1px solid var(--border-soft); }
.page-proof-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); margin-block: var(--space-5); }
.page-proof-grid > div { border-top: 1px solid var(--border-soft); padding-block: var(--space-4); }
.page-proof-grid strong { display: block; margin-block: var(--space-2); font-size: var(--text-lg); }
.page-proof-grid p { margin: 0; font-size: var(--text-base); }
.focus-columns .panel { padding: var(--space-4); }
.focus-columns h2, .media-text-split h2 { margin: var(--space-2) 0 var(--space-3); }
.focus-columns p, .media-text-split p { margin: 0; }
.wide-photo .photo-slot { min-height: 420px; border: 1px solid var(--border); }
.media-text-split { background: transparent; border-block: 1px solid var(--border); padding-block: var(--space-4); }
.media-text-split .photo-slot { min-height: 100%; border: 1px solid var(--border-soft); }
.identity-list { padding-left: var(--space-5); }
.identity-list strong { color: var(--fg); }
.panel-note { margin-top: calc(var(--space-2) * -1); font-size: var(--text-sm); color: var(--muted); }
.panel-quiet, .rail .widget { background: transparent; }
.empty-inline { display: grid; gap: var(--space-2); border: 1px dashed var(--border); padding: var(--space-4); color: var(--muted); }
.empty-inline strong { color: var(--fg); }

.form-row { display: grid; gap: var(--space-2); margin-bottom: var(--space-3); }
label { color: var(--fg-2); font-size: var(--text-sm); }
input, textarea, select {
  width: 100%;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: var(--space-3);
}
input:hover, textarea:hover, select:hover { border-color: var(--muted); }
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--danger); box-shadow: 0 0 0 1px var(--danger); }
textarea { min-height: 144px; resize: vertical; }
.field-hint, .field-error { font-family: var(--font-mono); font-size: var(--text-xs); }
.field-hint { color: var(--muted); }
.field-error { color: var(--danger); min-height: 1em; }
.comment { padding: var(--space-4); display: grid; gap: var(--space-2); }
.notice { border: 1px solid var(--warn); color: var(--warn); padding: var(--space-3); font-family: var(--font-mono); font-size: var(--text-sm); }
.notice.status-success { border-color: var(--success); color: var(--success); }
.notice.status-error { border-color: var(--danger); color: var(--danger); }
.status-success { color: var(--success); }
.search-tools { display: grid; grid-template-columns: 1fr auto; gap: var(--space-3); align-items: end; }
.filter-bar { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.filter-status { align-self: center; margin-left: auto; }
.search-result { padding: var(--space-5); display: grid; gap: var(--space-3); }
.empty-state { min-height: 460px; display: grid; place-items: center; text-align: center; padding: var(--space-8); }
.empty-state h1 { font-size: clamp(var(--text-3xl), 8vw, var(--text-4xl)); margin: 0 0 var(--space-4); }

.post-card.has-post-thumbnail { grid-template-columns: minmax(220px, 38%) 1fr; }
.post-card:not(.has-post-thumbnail) { grid-template-columns: 1fr; }
.post-card:not(.has-post-thumbnail) .photo-slot { display: none; }

.entry-header { margin-bottom: var(--space-6); }
.entry-footer { margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid var(--border-soft); }

.comment-list { list-style: none; padding: 0; margin: 0 0 var(--space-6); }
.comment-list .comment { padding: var(--space-4); margin-bottom: var(--space-3); }
.comment-list .comment .comment-author { font-weight: 700; color: var(--fg); }
.comment-list .comment .comment-metadata { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--muted); }
.comment-list .comment .comment-content p { color: var(--fg-2); }
.comment-respond { padding: var(--space-5); background: var(--surface); border: 1px solid var(--border); }
.comment-reply-title { font-size: var(--text-xl); margin: 0 0 var(--space-4); }
.comment-reply-title small { font-size: var(--text-sm); }
.comment-form { display: grid; gap: var(--space-3); }
.comment-form label { display: block; }
.comment-form input, .comment-form textarea { width: 100%; }
.comment-form .form-submit { margin-top: var(--space-2); }
.comment-form .required { color: var(--danger); }

.widget { padding: var(--space-5); }
.widget:not(.panel) { background: var(--surface); border: 1px solid var(--border); }
.widget .widget-title, .widget h2 { font-size: var(--text-lg); margin: 0 0 var(--space-3); }
.widget ul { list-style: none; padding: 0; margin: 0; }
.widget ul li { padding: var(--space-1) 0; color: var(--fg-2); }
.widget ul li a { text-decoration: none; }
.widget ul li a:hover { color: var(--accent); }

.post-navigation { display: flex; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid var(--border-soft); }
.post-navigation .nav-previous, .post-navigation .nav-next { max-width: 50%; }
.post-navigation a { text-decoration: none; color: var(--fg-2); }
.post-navigation a:hover { color: var(--accent); }
.post-navigation .meta-nav { display: block; font-family: var(--font-mono); font-size: var(--text-xs); color: var(--muted); text-transform: uppercase; letter-spacing: .12em; }
.post-navigation .nav-title { font-size: var(--text-lg); }

.pagination { display: flex; gap: var(--space-2); flex-wrap: wrap; justify-content: center; margin-top: var(--space-8); }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; min-height: 40px; padding: var(--space-2); border: 1px solid var(--border); color: var(--fg-2); text-decoration: none; }
.pagination .current { border-color: var(--accent); color: var(--fg); background: var(--surface-warm); }
.pagination a:hover { border-color: var(--accent); color: var(--fg); }

.wp-block-separator, hr { border: none; border-top: 1px solid var(--border); margin: var(--space-8) 0; }

.alignwide { max-width: 100%; margin-left: 0; margin-right: 0; }
.alignfull { width: 100vw; position: relative; left: 50%; right: 50%; margin-left: -50vw; margin-right: -50vw; max-width: 100vw; }

.alignleft { float: left; margin: 0 var(--space-5) var(--space-4) 0; }
.alignright { float: right; margin: 0 0 var(--space-4) var(--space-5); }
.aligncenter { clear: both; margin-inline: 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; }

.wp-caption { max-width: 100%; }
.wp-caption-text, .wp-block-image figcaption, .wp-block-gallery figcaption { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--muted); padding: var(--space-2); text-align: center; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2); }
.gallery-item { margin: 0; }
.gallery-icon img { width: 100%; height: 180px; object-fit: cover; filter: saturate(.82) contrast(1.04) brightness(.86); }

.sticky { border-left: 4px solid var(--accent) !important; }

.bypostauthor .comment-author { color: var(--accent); }

@media (max-width: 960px) {
  .nav-wrap, .container { width: min(100% - (var(--container-gutter-tablet) * 2), var(--container-max)); }
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; position: absolute; inset: 72px var(--container-gutter-tablet) auto; background: var(--bg); border: 1px solid var(--border); padding: var(--space-3); }
  .site-nav.is-open, .site-nav.toggled-on { display: block; }
  .site-nav-list { flex-direction: column; align-items: stretch; }
  .site-nav a { min-height: 44px; display: flex; align-items: center; }
  .layout { grid-template-columns: 1fr; }
  .rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .post-card { grid-template-columns: 1fr; }
  .post-card.has-post-thumbnail { grid-template-columns: 1fr; }
  .focus-columns.wp-block-columns, .wp-block-media-text { grid-template-columns: 1fr; }
  .page-proof-grid { grid-template-columns: 1fr; }
  .photo-slot { border-right: 0; border-bottom: 1px solid var(--border); }
  .template-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .nav-wrap, .container { width: min(100% - (var(--container-gutter-phone) * 2), var(--container-max)); }
  .page-intro { padding-block: var(--section-y-phone) var(--space-6); }
  .layout { padding-block: var(--space-6) var(--section-y-phone); }
  .rail { grid-template-columns: 1fr; }
  .wp-content p, .wp-content li { font-size: var(--text-base); }
  .template-grid { grid-template-columns: 1fr; }
  .search-tools { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .wp-block-image, .wp-block-cover, .wp-block-gallery, .wp-block-code, .wp-block-table { padding-inline: 0; }
  .wp-block-pullquote { padding: var(--space-4); }
  .brand-text span { display: none; }
  .filter-status { width: 100%; margin-left: 0; }
  .post-navigation { flex-direction: column; }
  .post-navigation .nav-previous, .post-navigation .nav-next { max-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}