/* Layout: one reading column for a phone. Krenz's red and blue construction-line colours mark the teachers and my notes. Post-its are the only "object" styling. */
:root {
  --paper: #f5f6f7;
  --sheet: #ffffff;
  --ink: #1c2024;
  --muted: #5b646d;
  --rule: #dce0e5;
  --red: #c2392d;
  --blue: #2c5cc0;
  --postit: #fbefb0;
  --postit-ink: #3a3110;
  --display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --body: "Literata", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14171a; --sheet: #1c2025; --ink: #e6e8eb; --muted: #9aa3ac; --rule: #2b3138;
    --red: #f07565; --blue: #86a6f2; --postit: #4a4220; --postit-ink: #f6ecc4; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #14171a; --sheet: #1c2025; --ink: #e6e8eb; --muted: #9aa3ac; --rule: #2b3138;
  --red: #f07565; --blue: #86a6f2; --postit: #4a4220; --postit-ink: #f6ecc4; color-scheme: dark;
}

body { background: var(--paper); color: var(--ink); font-family: var(--body); font-size: 1.0625rem; line-height: 1.6; }
.wrap { max-width: 40rem; margin: 0 auto; padding-inline: 18px; padding-block: 28px 64px; }

h1, h2, h3 { font-family: var(--display); line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.1rem, 8vw, 2.9rem); font-weight: 750; letter-spacing: -0.01em; }
h2 { font-size: 1.65rem; font-weight: 750; }
h3 { font-size: 1.2rem; font-weight: 600; margin-top: 2.2rem; }
p { margin: 0.8rem 0 0; }
a { color: var(--blue); }
a:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.eyebrow, .tag, .src, figcaption, .who, .toc, .label { font-family: var(--mono); }
.eyebrow { font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.lede { font-size: 1.15rem; margin-top: 1rem; }

.toc { margin-top: 1.6rem; font-size: 0.85rem; display: grid; gap: 0.35rem; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding-block: 0.9rem; }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }
.toc .sub { padding-left: 1.2rem; }

.keep { margin-top: 1.6rem; display: grid; gap: 0.6rem; }
.keep div { display: grid; grid-template-columns: 7.2rem 1fr; gap: 0.8rem; }
.keep b { font-family: var(--mono); font-weight: 500; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); padding-top: 0.2rem; }
@media (max-width: 420px) { .keep div { grid-template-columns: 1fr; gap: 0.1rem; } }

section.practice, section.examples { margin-top: 3.4rem; padding-top: 1.6rem; border-top: 3px solid var(--ink); }
.tag { display: inline-block; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; border: 1.5px solid var(--red); color: var(--red); padding: 0.1rem 0.45rem; border-radius: 3px; margin-bottom: 0.7rem; }
.purpose { font-size: 1.1rem; margin-top: 0.7rem; }
.src { font-size: 0.78rem; color: var(--muted); margin-top: 0.5rem; }

blockquote { margin: 1.2rem 0 0; padding: 0; }
blockquote p { margin: 0.3rem 0 0; font-style: italic; font-size: 1.08rem; }
.who { font-size: 0.74rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--red); }
.mine .who { color: var(--blue); }
.mine p { font-style: normal; }

figure { margin: 1.3rem 0 0; }
figure img { display: block; width: 100%; height: auto; background: #fff; border: 1px solid var(--rule); border-radius: 2px; }
figure.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
figure.pair figcaption, figure.trio figcaption { grid-column: 1 / -1; }
figure.trio { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.5rem; }
figure.narrow img { max-width: 22rem; margin-inline: auto; }
figcaption { font-size: 0.78rem; line-height: 1.5; color: var(--muted); margin-top: 0.45rem; }

ol.steps { margin: 0.8rem 0 0; padding-left: 1.4rem; display: grid; gap: 0.45rem; }
ol.steps li::marker { font-family: var(--mono); color: var(--red); }
.label { font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-top: 1.4rem; }
ul.plain { margin: 0.6rem 0 0; padding-left: 1.2rem; display: grid; gap: 0.4rem; }

.done { margin-top: 0.6rem; font-size: 0.95rem; }
.done b { font-family: var(--mono); font-weight: 500; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--red); margin-right: 0.5rem; }
.note { margin-top: 1.1rem; padding: 0.7rem 0.9rem; border: 1px dashed var(--blue); border-radius: 4px; font-size: 0.95rem; }
.note .who { color: var(--blue); display: block; }

.postit { margin: 2rem auto 0; max-width: 24rem; background: var(--postit); color: var(--postit-ink); padding: 1.1rem 1.2rem 1.3rem; box-shadow: 0 1px 1px rgba(0,0,0,.08), 0 8px 18px -10px rgba(0,0,0,.35); transform: rotate(-0.8deg); }
.postit h3 { margin: 0; font-size: 1.05rem; }
.postit ol, .postit ul { margin: 0.6rem 0 0; padding-left: 1.2rem; font-size: 0.98rem; line-height: 1.5; display: grid; gap: 0.2rem; }
.postit .split { margin-top: 0.7rem; font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.8; }
@media (prefers-reduced-motion: no-preference) { .postit { transition: transform .2s; } .postit:hover { transform: rotate(0deg); } }

.example { margin-top: 2.2rem; }
.example h3 { margin-top: 0; }
.shows { margin-top: 0.8rem; font-size: 0.95rem; }
.shows b { font-family: var(--mono); font-weight: 500; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-right: 0.4rem; }

footer { margin-top: 3.5rem; padding-top: 1rem; border-top: 1px solid var(--rule); font-size: 0.88rem; color: var(--muted); }
footer p { margin-top: 0.6rem; }

.bookbar { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-family: var(--mono); font-size: 0.8rem; padding-bottom: 0.8rem; margin-bottom: 1.4rem; border-bottom: 1px solid var(--rule); }
.bookbar a { text-decoration: none; }
.pager { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 3rem; font-family: var(--mono); font-size: 0.85rem; }
.areas { margin-top: 1.4rem; display: grid; gap: 1.6rem; }
.area h3 { margin-top: 0; }
.area h3 a { color: inherit; text-decoration: none; }
.area h3 a:hover { text-decoration: underline; }
.area ul { margin: 0.5rem 0 0; padding-left: 1.1rem; display: grid; gap: 0.3rem; font-size: 0.97rem; }
.lab { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--red); margin-right: 0.35rem; white-space: nowrap; }
.lab.ex { color: var(--muted); }
.lab.own { color: var(--blue); }
.soon { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); margin-left: .3rem; }

a.ts { color: inherit; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
.credit { display: block; margin-top: 0.2rem; font-style: italic; }
footer a { color: inherit; }