/* ==========================================================================
   OnlineCalculator.si theme. theme.json holds the tokens; this file adds
   dark mode, components shared with the core plugin, and editorial details.
   Layout idea: a university-press reading column with an index rail (TOC)
   on wide screens and quiet, ruled furniture around it.
   ========================================================================== */

/* ---------------------------------------------------------------- dark mode
   Block themes cannot express prefers-color-scheme in theme.json, so the
   palette presets are redefined here (same variable names). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --wp--preset--color--ink: #e6ebf2;
    --wp--preset--color--ink-muted: #a9b4c4;
    --wp--preset--color--canvas: #0f1522;
    --wp--preset--color--paper: #161e2e;
    --wp--preset--color--tint: #1c2840;
    --wp--preset--color--rule: #2f3a4f;
    --wp--preset--color--primary: #8fb6f0;
    --wp--preset--color--primary-strong: #b4cff7;
    --wp--preset--color--accent: #f08a95;
    --wp--preset--color--on-primary: #0b1730;
  }
}
:root[data-theme='dark'] {
  color-scheme: dark;
  --wp--preset--color--ink: #e6ebf2;
  --wp--preset--color--ink-muted: #a9b4c4;
  --wp--preset--color--canvas: #0f1522;
  --wp--preset--color--paper: #161e2e;
  --wp--preset--color--tint: #1c2840;
  --wp--preset--color--rule: #2f3a4f;
  --wp--preset--color--primary: #8fb6f0;
  --wp--preset--color--primary-strong: #b4cff7;
  --wp--preset--color--accent: #f08a95;
  --wp--preset--color--on-primary: #0b1730;
}

/* ---------------------------------------------------------------- base */
:root {
  --oc-sans: var(--wp--preset--font-family--sans);
  --oc-serif: var(--wp--preset--font-family--serif);
  --oc-mono: var(--wp--preset--font-family--mono);
  --oc-radius: 6px;
  --oc-rule: 1px solid var(--wp--preset--color--rule);
}
html {
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
:where(h1, h2, h3) {
  text-wrap: balance;
}
:where(p, li) {
  text-wrap: pretty;
  hanging-punctuation: first;
}
:where(a) {
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}
:where(a:hover) {
  text-decoration-thickness: 2px;
}
:focus-visible {
  outline: 3px solid var(--wp--preset--color--primary);
  outline-offset: 2px;
}
.screen-reader-text:focus {
  /* Skip link (core prints it for block themes) */
  background: var(--wp--preset--color--paper);
  color: var(--wp--preset--color--ink);
  padding: 0.75rem 1rem;
  z-index: 1000;
}
::selection {
  background: var(--wp--preset--color--tint);
}
:where(.wp-site-blocks) :where(sup, sub) {
  line-height: 0;
}
abbr[title] {
  text-decoration: underline dotted;
  cursor: help;
}
.oc-num,
:where(td, .oc-num) {
  font-variant-numeric: tabular-nums;
}

/* ---------------------------------------------------------------- header */
.oc-site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--wp--preset--color--paper) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: var(--oc-rule);
}
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .oc-site-header {
    background: var(--wp--preset--color--paper);
  }
}
body.admin-bar .oc-site-header {
  top: var(--wp-admin--admin-bar--height, 32px);
}
.oc-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.oc-brand .wp-block-site-title a::after {
  /* The ".si" in the wordmark is set in the accent colour (the name itself stays plain text). */
  content: none;
}
.oc-wordmark {
  margin: 0;
  font-family: var(--oc-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.oc-wordmark a {
  color: var(--wp--preset--color--ink);
  text-decoration: none;
}
.oc-wordmark-tld {
  color: var(--wp--preset--color--accent);
}
.oc-site-header .wp-block-navigation__container {
  gap: 0.25rem 1.25rem;
}
.oc-site-header .wp-block-navigation-item__content {
  padding-block: 0.6rem;
}
.oc-site-header .wp-block-search__input {
  min-height: 40px;
}

/* ---------------------------------------------------------------- eyebrow labels */
.oc-eyebrow,
.is-style-eyebrow {
  font-family: var(--oc-sans) !important;
  font-size: 0.75rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--wp--preset--color--accent);
  margin-block-end: 0.5rem !important;
}

/* ---------------------------------------------------------------- hero */
.oc-hero {
  border-bottom: var(--oc-rule);
  background:
    linear-gradient(var(--wp--preset--color--paper), var(--wp--preset--color--paper)) padding-box,
    var(--wp--preset--color--paper);
}
.oc-hero .wp-block-search__inside-wrapper {
  border: 1.5px solid var(--wp--preset--color--ink);
  border-radius: var(--oc-radius);
  background: var(--wp--preset--color--paper);
  padding: 4px;
}
.oc-hero .wp-block-search__input {
  border: 0;
  font-size: 1.125rem;
  font-family: var(--oc-sans);
  min-height: 52px;
  padding-inline: 0.9rem;
  background: transparent;
  color: var(--wp--preset--color--ink);
}
.oc-hero .wp-block-search__button {
  margin: 0;
  border-radius: 4px;
}
.oc-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--oc-sans);
  font-size: 0.875rem;
  color: var(--wp--preset--color--ink-muted);
}
.oc-trust li::before {
  content: '';
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-inline-end: 0.5rem;
  background: var(--wp--preset--color--accent);
  transform: rotate(45deg) translateY(-2px);
}

/* ---------------------------------------------------------------- cards & groups */
.is-style-card {
  background: var(--wp--preset--color--paper);
  border: var(--oc-rule);
  border-radius: var(--oc-radius);
  padding: clamp(1rem, 3vw, 1.75rem);
}
.is-style-note {
  border-inline-start: 3px solid var(--wp--preset--color--primary);
  background: var(--wp--preset--color--tint);
  padding: 1rem 1.25rem;
  font-family: var(--oc-sans);
  font-size: 0.9375rem;
}
.is-style-note > :first-child {
  margin-top: 0;
}
.is-style-references,
ol.is-style-references {
  font-family: var(--oc-sans);
  font-size: 0.875rem;
  line-height: 1.55;
  padding-inline-start: 1.75rem;
}
.is-style-references li {
  margin-block-end: 0.5rem;
  overflow-wrap: anywhere;
}
.is-style-references li::marker {
  font-family: var(--oc-mono);
  color: var(--wp--preset--color--ink-muted);
}
.is-style-data table,
.wp-block-table.is-style-data table {
  border-collapse: collapse;
  width: 100%;
}
.wp-block-table.is-style-data :where(th, td) {
  border: 0;
  border-bottom: var(--oc-rule);
  padding: 0.6rem 0.75rem;
  text-align: start;
}
.wp-block-table.is-style-data thead th {
  border-bottom: 2px solid var(--wp--preset--color--ink);
  font-weight: 600;
}
.wp-block-table {
  overflow-x: auto;
}

/* ---------------------------------------------------------------- grids of calculators / articles */
.oc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.oc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  height: 100%;
  padding: 1.1rem 1.2rem 1.2rem;
  background: var(--wp--preset--color--paper);
  border: var(--oc-rule);
  border-radius: var(--oc-radius);
  transition:
    border-color 0.15s,
    transform 0.15s;
}
.oc-card:hover {
  border-color: var(--wp--preset--color--primary);
}
.oc-card:focus-within {
  outline: 3px solid var(--wp--preset--color--primary);
  outline-offset: 2px;
}
.oc-card__title {
  margin: 0;
  font-family: var(--oc-serif);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
}
.oc-card__title a {
  color: var(--wp--preset--color--ink);
  text-decoration: none;
}
.oc-card__title a::after {
  /* Whole card is clickable, but only the title is a link (one tab stop, good link text). */
  content: '';
  position: absolute;
  inset: 0;
}
.oc-card__meta {
  margin: 0;
  margin-top: auto;
  font-family: var(--oc-sans);
  font-size: 0.8125rem;
  color: var(--wp--preset--color--ink-muted);
}
.oc-card__desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--wp--preset--color--ink-muted);
}
.oc-card__badge {
  align-self: flex-start;
  font-family: var(--oc-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--wp--preset--color--accent);
}
.oc-cat-card .oc-card__title {
  font-size: 1.25rem;
}
.oc-cat-card .oc-card__count {
  font-family: var(--oc-mono);
  font-size: 0.8125rem;
  color: var(--wp--preset--color--ink-muted);
}

/* ---------------------------------------------------------------- article layout with TOC rail */
.oc-article-layout {
  display: grid;
  gap: 2.5rem;
}
@media (min-width: 1080px) {
  .oc-article-layout {
    grid-template-columns: minmax(0, 44rem) 15rem;
    justify-content: center;
  }
  .oc-article-layout > .oc-rail {
    order: 2;
  }
  .oc-rail-inner {
    position: sticky;
    top: 5.5rem;
  }
}
.oc-article-layout > * {
  min-width: 0;
}
.oc-article-body > .wp-block-post-content > * + h2 {
  margin-top: 2.75rem;
}
.oc-article-body > .wp-block-post-content > h2 {
  padding-top: 0.75rem;
  border-top: var(--oc-rule);
}

/* ---------------------------------------------------------------- byline, review stamp, author */
.oc-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  align-items: flex-start;
  padding-block: 1rem;
  border-block: var(--oc-rule);
  font-family: var(--oc-sans);
  font-size: 0.875rem;
}
.oc-byline__person {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}
.oc-byline__person img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}
.oc-byline__role {
  display: block;
  color: var(--wp--preset--color--ink-muted);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.oc-byline__name {
  font-weight: 600;
}
.oc-byline__name a {
  color: var(--wp--preset--color--ink);
}
.oc-byline__creds {
  color: var(--wp--preset--color--ink-muted);
}
.oc-byline__dates {
  color: var(--wp--preset--color--ink-muted);
  margin-inline-start: auto;
}
.oc-byline__dates span {
  display: block;
}
.oc-stamp {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.6rem;
  border: 1.5px solid var(--wp--preset--color--primary);
  border-radius: 999px;
  color: var(--wp--preset--color--primary);
  font-family: var(--oc-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.oc-stamp svg {
  width: 1em;
  height: 1em;
  fill: currentColor;
}
.oc-stamp.is-pending {
  border-style: dashed;
  color: var(--wp--preset--color--ink-muted);
  border-color: var(--wp--preset--color--ink-muted);
}
.oc-author-box {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.25rem;
  padding: 1.5rem;
  background: var(--wp--preset--color--paper);
  border: var(--oc-rule);
  border-radius: var(--oc-radius);
}
.oc-author-box img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
}
.oc-author-box h2,
.oc-author-box h3 {
  margin: 0;
  font-size: 1.125rem;
}
.oc-author-box p {
  margin: 0.35rem 0 0;
  font-size: 0.9375rem;
}
.oc-author-box .oc-creds {
  font-family: var(--oc-sans);
  font-size: 0.8125rem;
  color: var(--wp--preset--color--ink-muted);
}
.oc-ids {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--oc-sans);
  font-size: 0.8125rem;
}

/* ---------------------------------------------------------------- TOC */
.oc-toc {
  font-family: var(--oc-sans);
  font-size: 0.875rem;
}
.oc-toc__title {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--wp--preset--color--ink-muted);
}
.oc-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-inline-start: var(--oc-rule);
}
.oc-toc a {
  display: block;
  padding: 0.3rem 0 0.3rem 0.9rem;
  margin-inline-start: -1px;
  border-inline-start: 2px solid transparent;
  color: var(--wp--preset--color--ink-muted);
  text-decoration: none;
  line-height: 1.35;
}
.oc-toc a:hover,
.oc-toc a[aria-current='true'] {
  color: var(--wp--preset--color--ink);
  border-inline-start-color: var(--wp--preset--color--accent);
}
@media (max-width: 1079px) {
  .oc-toc {
    padding: 1rem 1.25rem;
    background: var(--wp--preset--color--paper);
    border: var(--oc-rule);
    border-radius: var(--oc-radius);
  }
}

/* ---------------------------------------------------------------- breadcrumbs */
.oc-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--oc-sans);
  font-size: 0.8125rem;
  color: var(--wp--preset--color--ink-muted);
}
.oc-breadcrumbs li + li::before {
  content: '›';
  margin-inline: 0.35rem;
}
.oc-breadcrumbs a {
  color: inherit;
}

/* ---------------------------------------------------------------- cite this page */
.oc-cite {
  font-family: var(--oc-sans);
  font-size: 0.875rem;
  padding: 1.25rem;
  background: var(--wp--preset--color--tint);
  border-radius: var(--oc-radius);
}
.oc-cite h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-family: var(--oc-sans);
}
.oc-cite [role='tablist'] {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}
.oc-cite [role='tab'] {
  min-height: 36px;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--wp--preset--color--rule);
  border-radius: 4px;
  background: var(--wp--preset--color--paper);
  color: var(--wp--preset--color--ink);
  font: inherit;
  cursor: pointer;
}
.oc-cite [role='tab'][aria-selected='true'] {
  border-color: var(--wp--preset--color--primary);
  background: var(--wp--preset--color--primary);
  color: var(--wp--preset--color--on-primary);
}
.oc-cite pre {
  margin: 0;
  padding: 0.75rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: var(--wp--preset--color--paper);
  border: var(--oc-rule);
  border-radius: 4px;
  font-family: var(--oc-mono);
  font-size: 0.8125rem;
}
.oc-cite .oc-copy {
  margin-top: 0.5rem;
}

/* ---------------------------------------------------------------- footer */
.oc-site-footer {
  border-top: var(--oc-rule);
  font-family: var(--oc-sans);
  font-size: 0.875rem;
}
.oc-site-footer a {
  color: var(--wp--preset--color--ink);
}
.oc-site-footer .wp-block-heading {
  font-family: var(--oc-sans);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--wp--preset--color--ink-muted);
}
.oc-site-footer ul {
  list-style: none;
  padding: 0;
}
.oc-site-footer li {
  margin-block: 0.35rem;
}
.oc-disclaimer {
  color: var(--wp--preset--color--ink-muted);
  max-width: 70ch;
}

/* ---------------------------------------------------------------- pagination, search */
.wp-block-query-pagination {
  font-family: var(--oc-sans);
}
.wp-block-search__button {
  font-family: var(--oc-sans);
}

/* ---------------------------------------------------------------- motion & print */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}
@media print {
  .oc-site-header,
  .oc-site-footer nav,
  .oc-rail,
  .oc-cite [role='tablist'],
  .oc-copy,
  .wp-block-search {
    display: none !important;
  }
  .oc-article-layout {
    display: block;
  }
  a[href^='http']::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
  }
}

/* ---------------------------------------------------------------- page heads */
.oc-hero {
  padding-block: clamp(3rem, 2rem + 5vw, 6rem) clamp(2.5rem, 2rem + 3vw, 4rem);
  margin-block-end: var(--wp--preset--spacing--60);
}
.oc-hero-title {
  font-size: var(--wp--preset--font-size--display) !important;
  line-height: 1.04 !important;
  letter-spacing: -0.025em !important;
  max-width: 14ch;
}
.oc-deck {
  font-size: var(--wp--preset--font-size--medium);
  line-height: 1.5;
  color: var(--wp--preset--color--ink-muted);
  max-width: 62ch;
}
.oc-article-head {
  margin-block-end: var(--wp--preset--spacing--40);
}
main > .wp-block-group.alignwide + .wp-block-group.alignwide {
  margin-block-start: var(--wp--preset--spacing--60);
}
.wp-block-post-template .wp-block-post {
  margin: 0;
}
.wp-block-post-template .oc-card {
  height: 100%;
}
.wp-block-post-template .oc-card .wp-block-post-title {
  font-size: 1.125rem;
  margin: 0;
}
.wp-block-post-template .oc-card .wp-block-post-title a {
  color: var(--wp--preset--color--ink);
  text-decoration: none;
}
.wp-block-post-template .oc-card .wp-block-post-title a::after {
  content: '';
  position: absolute;
  inset: 0;
}
.wp-block-post-template .oc-card .wp-block-post-excerpt__excerpt {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--wp--preset--color--ink-muted);
}

/* ---------------------------------------------------------------- utilities & fixes */
*,
*::before,
*::after {
  box-sizing: border-box;
}
/* Block themes do not ship this utility; core blocks rely on it for hidden labels. */
.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 !important;
  width: 1px;
  word-wrap: normal !important;
}
.screen-reader-text:focus {
  clip: auto !important;
  clip-path: none;
  height: auto;
  width: auto;
  display: block;
  left: 5px;
  top: 5px;
}
.oc-card {
  height: auto;
}
.oc-grid + p,
.oc-grid + .wp-block-paragraph {
  margin-top: 1.25rem;
}
.oc-cat-list {
  margin: 0.25rem 0 0.5rem;
  padding: 0;
  list-style: none;
  font-family: var(--oc-sans);
  font-size: 0.875rem;
  position: relative;
  z-index: 1; /* links stay clickable above the card's stretched title link */
}
.oc-cat-list li {
  padding-block: 0.15rem;
}
/* Calculator pages: the tool spans the wide column above the reading layout. */
.oc-calc-hero {
  margin-block: var(--wp--preset--spacing--40) var(--wp--preset--spacing--60);
}