/* =====================================================================
   Writing Content Styles
   =====================================================================
   All typographic and element styles for .article-body content.
   This stylesheet is loaded only on writing detail pages.
   Grouped semantically so any element style is easy to find and edit.
   ===================================================================== */

.article-body {
  padding: 24px 0 60px;
}

/* --- Drop Cap -------------------------------------------------------- */

.article-body > p:first-child::first-letter {
  font-family: var(--font-display);
  float: left;
  font-size: 3.6em;
  line-height: 0.8;
  padding-right: 8px;
  padding-top: 4px;
  font-weight: 700;
  color: var(--text-heading);
}

/* --- Paragraphs ------------------------------------------------------ */

.article-body p {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  color: var(--text);
  line-height: 1.85;
  margin-bottom: 24px;
}

.article-body .lede {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 28px;
}

/* --- Inline Text ----------------------------------------------------- */

.article-body strong {
  font-weight: 500;
  color: var(--text-heading);
}

.article-body em {
  font-style: italic;
}

.article-body a {
  color: var(--text);
  border-bottom: 1px solid var(--accent);
  transition: color 0.2s;
}

.article-body a:hover {
  color: var(--accent);
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-code-inline);
  padding: 2px 7px;
  border-radius: 3px;
  color: var(--text-code);
  border: 1px solid var(--border);
}

.article-body kbd {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-kbd);
  border: 1px solid var(--border-kbd);
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: 1px 6px;
  color: var(--text);
}

.article-body mark {
  background: var(--bg-mark);
  color: inherit;
  padding: 1px 4px;
  border-radius: 2px;
}

.article-body small {
  font-size: 14px;
  color: var(--text-muted);
}

.article-body abbr[title] {
  text-decoration: underline dotted var(--text-faint);
  cursor: help;
}

.article-body del,
.article-body s {
  text-decoration: line-through;
  color: var(--text-muted);
}

.article-body sup {
  font-size: 0.75em;
  vertical-align: super;
  line-height: 0;
  color: var(--accent);
}

.article-body sub {
  font-size: 0.75em;
  vertical-align: sub;
  line-height: 0;
}

/* --- Headings -------------------------------------------------------- */

/* h2 — Section heading with accent overline */
.article-body h2 {
  font-family: var(--font-ui);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-bold);
  line-height: 1.25;
  margin-top: 36px;
  margin-bottom: 16px;
  padding-top: 14px;
  position: relative;
}

.article-body h2::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
}

/* h3 — Subsection heading */
.article-body h3 {
  font-family: var(--font-ui);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-bold);
  line-height: 1.3;
  margin-top: 28px;
  margin-bottom: 12px;
}

/* h4 — Minor heading */
.article-body h4 {
  font-family: var(--font-ui);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.4;
  margin-top: 24px;
  margin-bottom: 10px;
}

/* h5 — Small heading */
.article-body h5 {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin-top: 20px;
  margin-bottom: 8px;
}

/* h6 — Label heading */
.article-body h6 {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 20px;
  margin-bottom: 8px;
}

/* --- Blockquote ------------------------------------------------------ */

.article-body blockquote {
  position: relative;
  margin: 40px 0 40px 16px;
  padding: 0 0 0 40px;
  border: none;
  background: none;
}

.article-body blockquote::before {
  content: '\201C';
  font-family: var(--font-display);
  font-size: 96px;
  line-height: 0.75;
  color: var(--border-kbd);
  position: absolute;
  left: -6px;
  top: 4px;
}

.article-body blockquote p {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  font-style: italic;
  color: var(--text);
  line-height: 1.6;
}

.article-body blockquote p + p {
  margin-top: 16px;
}

.article-body blockquote cite {
  display: block;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  font-style: normal;
  color: var(--text-faint);
  margin-top: 14px;
}

/* --- Lists ----------------------------------------------------------- */

.article-body ul,
.article-body ol {
  padding-left: 24px;
  margin-bottom: 24px;
}

.article-body li {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.85;
}

.article-body li::marker {
  color: var(--accent);
}

.article-body ol li::marker {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 14px;
  color: var(--accent);
}

.article-body li ul,
.article-body li ol {
  margin-top: 8px;
  margin-bottom: 8px;
}

/* --- Task List (checkboxes) ------------------------------------------ */

.article-body ul.task-list {
  list-style: none;
  padding-left: 0;
}

.article-body ul.task-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
}

.article-body ul.task-list li::marker {
  content: none;
}

.article-body ul.task-list input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--border-kbd);
  border-radius: 3px;
  flex-shrink: 0;
  margin-top: 4px;
  cursor: pointer;
  position: relative;
  background: var(--bg);
  transition: all 0.15s ease;
}

.article-body ul.task-list input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.article-body ul.task-list input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid var(--text-bold);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.article-body ul.task-list li.checked span {
  text-decoration: line-through;
  color: var(--text-muted);
}

/* --- Definition List ------------------------------------------------- */

.article-body dl {
  margin-bottom: 26px;
}

.article-body dt {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-heading);
  margin-top: 16px;
}

.article-body dd {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
  padding-left: 20px;
  margin-top: 4px;
  border-left: 2px solid var(--border);
}

/* --- Table ----------------------------------------------------------- */

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
}

.article-body thead th {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-align: left;
  padding: 10px 16px;
  border-bottom: 2px solid var(--text);
}

.article-body tbody td {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  color: var(--text);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}

.article-body tbody tr:hover {
  background: var(--bg-elevated);
}

/* --- Code Blocks ----------------------------------------------------- */

.article-body pre {
  background: var(--bg-code);
  color: var(--text-code-block);
  padding: 24px 28px;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 28px;
  font-size: 14px;
  line-height: 1.65;
}

.article-body pre code {
  background: none;
  padding: 0;
  color: inherit;
  border-radius: 0;
  border: none;
  font-size: 14px;
}

.code-block-wrap {
  position: relative;
  margin-bottom: 28px;
}

.code-block-wrap pre {
  margin-bottom: 0;
}

.code-copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--border);
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  z-index: 2;
}

.code-copy-btn:hover {
  background: var(--border-kbd);
  color: var(--text-bold);
  border-color: var(--text-secondary);
}

.code-copy-btn.copied {
  background: var(--bg-code);
  color: var(--accent);
  border-color: var(--accent);
  opacity: 1;
}

/* --- Images ---------------------------------------------------------- */

.article-body img {
  width: 100%;
  border-radius: 6px;
  margin: 32px 0;
  display: block;
}

.article-body .img-caption {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
  text-align: left;
  margin-top: 8px;
  margin-bottom: 32px;
}

/* --- Horizontal Rule ------------------------------------------------- */

.article-body hr {
  border: none;
  height: 0;
  margin: 56px 0;
  position: relative;
}

.article-body hr::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
}

.article-body hr::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

/* --- Footnotes ------------------------------------------------------- */

.article-body .footnote-ref {
  font-size: 0.75em;
  vertical-align: super;
  line-height: 0;
  color: var(--accent);
  border-bottom: none !important;
  font-weight: 500;
}

.article-body .footnote-ref:hover {
  color: var(--accent);
}

.article-body .footnotes {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 14px;
}

.article-body .footnotes ol {
  padding-left: 20px;
}

.article-body .footnotes li {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.7;
}

.article-body .footnotes li::marker {
  font-size: 12px;
  color: var(--accent);
}

/* --- Responsive ------------------------------------------------------ */

@media (max-width: 767px) {
  .article-body { padding: 36px 0 40px; }
  .article-body .lede { font-size: 16px; }
  .article-body p { font-size: 16px; }
  .article-body h2 { font-size: 22px; margin-top: 48px; }
  .article-body h3 { font-size: 19px; margin-top: 36px; }
  .article-body h4 { font-size: 16px; }
  .article-body h5 { font-size: 14px; }
  .article-body h6 { font-size: 12px; }
  .article-body blockquote { margin-left: 20px; }
  .article-body blockquote p { font-size: 19px; }
  .article-body pre { padding: 20px; font-size: 13px; }
  .article-body table { font-size: 14px; }
  .article-body thead th { padding: 8px 10px; font-size: 10px; }
  .article-body tbody td { padding: 10px; font-size: 14px; }
  .article-body .footnotes { margin-top: 36px; }
}