/* Casebook reading pages share the portfolio shell and theme. */
.casebook-reading { --line: var(--rule); --ink-soft: var(--muted); }
.reading-archive { max-width: none; margin-inline: auto; width: 88%; }
.reading-archive .archive-hint { display: flex; justify-content: space-between; gap: 15px; flex-wrap: wrap; }
.reading-archive .archive-hint a { text-decoration: underline; text-underline-offset: 4px; }
.reading-tab { width: fit-content; min-height: 61px; padding: 18px 28px 16px; margin-left: 18px; background: var(--paper); border-radius: 24px 32px 0 0; font-size: 12px; letter-spacing: .05em; }
.reading-archive .folder-body { padding: 48px 7% 30px; }
.reading-heading { padding-bottom: 30px; border-bottom: 1px solid var(--rule); }
.reading-heading .section-number { font-size: 11px; margin-bottom: 22px; color: var(--muted); }
.reading-heading h1 { font-size: clamp(32px, 4.5vw, 72px); line-height: 1.08; letter-spacing: -.055em; max-width: 22ch; overflow-wrap: break-word; }
.reading-heading .article-dek { font-size: clamp(14px, 1.4vw, 18px); line-height: 1.7; max-width: 64ch; margin-top: 24px; }
.article-meta { display: flex; gap: 12px 20px; flex-wrap: wrap; font-size: 11px; color: var(--muted); margin-top: 22px; }
.reading-author { display: flex; align-items: center; gap: 13px; margin-top: 24px; font-size: 11px; line-height: 1.6; }
.reading-author img { width: 48px; height: 48px; object-fit: cover; object-position: 50% 38%; border-radius: 50%; }
.reading-contents { margin: 24px auto 36px; max-width: 760px; font-size: 12px; border-bottom: 1px solid var(--rule); padding-bottom: 18px; }
.reading-contents li { padding: 5px 0; }
.reading-contents a { text-decoration: underline; text-underline-offset: 3px; }
.article-body { max-width: 760px; margin-inline: auto; font: 19px/1.8 Georgia, 'Times New Roman', serif; overflow-wrap: break-word; }
.article-body .cutover-diagram img { display: block; width: 100%; height: auto; }
.article-body p { margin: 0 0 1.25em; }
.article-body h2 { font: 400 clamp(25px, 2.1vw, 34px)/1.2 var(--display); letter-spacing: -.035em; margin: 1.8em 0 .7em; scroll-margin-top: 25px; }
.article-body h3 { font: 600 20px/1.4 var(--mono); margin: 1.6em 0 .6em; }
.article-body a { text-decoration: underline; text-underline-offset: 3px; color: var(--red); }
.article-body ul, .article-body ol { padding-left: 1.5em; margin: 0 0 1.4em; }
.article-body li { margin-bottom: .5em; }
.article-body strong { font-weight: 700; }
.article-body hr { border: 0; border-top: 1px solid var(--rule); margin: 2em 0; }
.article-body code { font: .82em/1.6 var(--mono); overflow-wrap: anywhere; }
.article-body pre { max-width: 100%; padding: 20px; border: 1px solid var(--rule); border-radius: 3px; background: var(--print); white-space: pre-wrap; overflow-wrap: anywhere; font-size: 14px; line-height: 1.6; margin: 1.5em 0; }
.article-body figure { margin: 2em 0; max-width: 100%; }
.article-body figure>img { width: 100%; height: auto; display: block; }
.article-body figcaption { font: 11px/1.7 var(--mono); color: var(--muted); margin-top: 12px; }
.table-scroll { max-width: 100%; overflow-x: auto; margin: 1.5em 0; }
.article-table { width: 100%; border-collapse: collapse; font: 12px/1.6 var(--mono); }
.article-table th, .article-table td { border: 1px solid var(--rule); padding: 13px; text-align: left; vertical-align: top; min-width: 130px; }
.article-table th { background: var(--print); font-weight: 600; }
.article-body .viz { --ink: #242a23; --ink-soft: #53584c; --line: #a9ae9b; background: #eee8d7; color: #242a23; border: 1px solid #a0a58f; border-radius: 3px; box-shadow: none; }
.article-body .viz-toolbar { font-family: var(--mono); }
.article-body .viz svg { max-width: 100%; height: auto; }
.article-body .viz figcaption { color: #53584c; }
.article-body .viz .stamp { padding: 0; border: 0; }
.reading-end { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 25px; padding: 28px 0 5px; margin-top: 45px; border-top: 1px solid var(--rule); font-size: 12px; }
.reading-end a { display: inline-flex; align-items: center; gap: 9px; text-decoration: underline; text-underline-offset: 4px; }
.reading-end img { width: 18px; }
[data-theme="dark"] .reading-end img { filter: invert(92%); }
@media(max-width:700px) {
  .reading-archive { width: 90%; }
  .reading-tab { font-size: 10px; padding: 13px 20px; margin-left: 9px; }
  .reading-archive .folder-body { padding: 28px 7% 20px; }
  .reading-heading h1 { font-size: clamp(30px, 8.2vw, 50px); }
  .reading-heading .article-dek { font-size: 14px; line-height: 1.7; }
  .article-meta { font-size: 10px; gap: 8px 12px; }
  .article-body { font-size: 17px; line-height: 1.75; }
  .article-body pre { padding: 12px; font-size: 12px; }
  .article-body h2 { font-size: 25px; }
  .viz-kicker { font-size: 9px; }
  .reading-end { font-size: 11px; }
}
.reading-heading h1:focus { outline: none; }

.reading-illustration { max-width: 960px; margin: 32px auto; }
.reading-illustration img { display: block; width: 100%; height: auto; border-radius: 3px; }