/* «Контекст» — static reader. Hand-written; the HTML is generated by
   scripts/build_novel.py. Paper-first (long reading), dark via system theme. */

:root {
  --paper: #f6f2ea;
  --paper-deep: #ece6d9;
  --ink: #1e1b16;
  --ink-soft: #5a554b;
  --ink-faint: #9a9385;
  --rule: #d9d2c3;
  --accent: #1f6f8b;          /* MNEMOS teal, toned down for paper */
  --accent-ink: #15516a;
  --hud: #2b5f75;
  --night: #0c1222;           /* cover background */
  --night-ink: #e9edf5;
  --night-soft: #9aa6bd;
  --glow: #5fd3ff;
  --measure: 38rem;
  --serif: "Literata", Georgia, "Times New Roman", serif;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #15181f;
    --paper-deep: #1b1f28;
    --ink: #e3e1da;
    --ink-soft: #a9a69c;
    --ink-faint: #6f6d66;
    --rule: #2b303b;
    --accent: #6fc3e3;
    --accent-ink: #9ad8f0;
    --hud: #7fc8e4;
  }
}
:root[data-theme="dark"] {
  --paper: #15181f;
  --paper-deep: #1b1f28;
  --ink: #e3e1da;
  --ink-soft: #a9a69c;
  --ink-faint: #6f6d66;
  --rule: #2b303b;
  --accent: #6fc3e3;
  --accent-ink: #9ad8f0;
  --hud: #7fc8e4;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.25rem);
  line-height: 1.65;
  font-feature-settings: "onum", "pnum", "kern";
  text-rendering: optimizeLegibility;
}
a { color: var(--accent-ink); text-decoration-thickness: 1px; text-underline-offset: 0.15em; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.skip {
  position: absolute; left: -200vw; top: 0;
  padding: 0.4em 0.8em; background: var(--paper-deep);
}
.skip:focus { left: 1rem; top: 1rem; z-index: 10; }

/* ---------- chapter pages ---------- */
.topbar {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  max-width: var(--measure); margin: 0 auto;
  padding: 1.1rem 16px 0;
  font-size: 0.85rem; letter-spacing: 0.04em;
  color: var(--ink-faint);
}
.book-title {
  text-transform: uppercase; letter-spacing: 0.22em; font-weight: 600;
  color: var(--ink-soft); text-decoration: none;
}
.book-title:hover { color: var(--accent); }
.book-author { font-style: italic; letter-spacing: 0; }

.reader { max-width: var(--measure); margin: 0 auto; padding: 0 16px 4rem; }

.chapter-head { text-align: center; margin: 4.5rem 0 3.5rem; }
.chapter-label {
  margin: 0 0 0.6rem;
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.3em;
  color: var(--ink-faint);
}
.chapter-head h1 {
  margin: 0;
  font-weight: 400; font-size: clamp(1.9rem, 1.4rem + 2vw, 2.6rem);
  line-height: 1.15; letter-spacing: -0.01em;
  font-variation-settings: "opsz" 72;
}
.chapter-head::after {
  content: ""; display: block; width: 3rem; height: 1px;
  margin: 2rem auto 0; background: var(--rule);
}

.prose p { margin: 0; text-indent: 1.6em; hyphens: auto; -webkit-hyphens: auto; }
.prose p + p { margin-top: 0.15em; }
.prose .dialogue { text-indent: 1.6em; }
.prose .hud {
  text-indent: 0;
  margin: 0.9em 0 0.9em 1.6em;
  padding: 0.1em 0 0.1em 0.9em;
  border-left: 2px solid var(--hud);
  color: var(--hud);
  font-family: var(--mono);
  font-size: 0.82em; line-height: 1.55;
  letter-spacing: 0.01em;
  font-style: normal;
}
.prose .hud em { font-style: normal; }
.prose .hud + .hud { margin-top: -0.6em; }
.prose strong { font-weight: 600; letter-spacing: 0.04em; }
.prose em { font-style: italic; }

hr.sep {
  border: 0; height: auto; margin: 2.2em 0; text-align: center;
  color: var(--ink-faint); overflow: visible;
}
hr.sep::after {
  content: "* * *"; display: block;
  font-size: 1rem; letter-spacing: 0.9em; padding-left: 0.9em;
}

.chapter-nav {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem;
  margin-top: 3.5rem; padding-top: 1.5rem; border-top: 1px solid var(--rule);
  font-size: 0.95rem;
}
.chapter-nav a { text-decoration: none; }
.chapter-nav a:hover { text-decoration: underline; }
.nav-prev { text-align: left; }
.nav-next { text-align: right; }
.nav-home {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--ink-faint);
}
.nav-empty { color: var(--ink-faint); font-style: italic; }

.colophon {
  max-width: var(--measure); margin: 0 auto; padding: 1.5rem 16px 2.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.82rem; color: var(--ink-faint); text-align: center;
}
.colophon a { color: inherit; }

/* ---------- title page ---------- */
.cover-page { background: var(--night); color: var(--night-ink); }
.cover {
  min-height: 82svh;
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  align-items: center; gap: clamp(1.5rem, 4vw, 4rem);
  max-width: 72rem; margin: 0 auto; padding: clamp(2rem, 5vh, 4rem) 16px;
}
.cover-art { margin: 0; }
.cover-art img {
  display: block; width: 100%; height: auto;
  border-radius: 10px;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.05);
}
.cover-text { padding: 0 0 0 clamp(0px, 2vw, 1.5rem); }
.cover-kicker {
  margin: 0 0 1rem; font-size: 0.8rem; letter-spacing: 0.35em; text-transform: uppercase;
  color: var(--night-soft);
}
.cover-title {
  margin: 0; font-weight: 400; letter-spacing: 0.12em; text-transform: uppercase;
  font-size: clamp(2.6rem, 1.6rem + 4.5vw, 5rem); line-height: 1;
  font-variation-settings: "opsz" 72;
}
.cover-author {
  margin: 1.2rem 0 0; font-size: 1.1rem; font-style: italic; color: var(--night-soft);
}
.cover-epigraph {
  margin: 2.2rem 0 0; max-width: 28rem;
  border-left: 2px solid var(--glow); padding-left: 1rem;
}
.cover-epigraph p {
  margin: 0; font-style: italic;
  font-size: 1.05rem; line-height: 1.55; color: var(--night-ink);
}
.cover-epigraph footer { margin-top: 0.6rem; font-size: 0.85rem; color: var(--night-soft); }
.cover-epigraph cite { font-style: normal; letter-spacing: 0.02em; }
.cover-cta {
  display: inline-block; margin-top: 2.4rem; padding: 0.75em 1.4em;
  border: 1px solid var(--glow); border-radius: 999px;
  color: var(--glow); text-decoration: none; letter-spacing: 0.04em;
  transition: background-color 0.15s, color 0.15s;
}
.cover-cta:hover { background: var(--glow); color: var(--night); }

.toc { max-width: var(--measure); margin: 0 auto; padding: 4rem 16px 3rem; background: transparent; }
.cover-page .toc { color: var(--night-ink); }
.toc h2 {
  margin: 0 0 1.6rem; font-weight: 400; font-size: 0.85rem;
  letter-spacing: 0.3em; text-transform: uppercase; color: var(--night-soft);
}
.toc-list { list-style: none; margin: 0; padding: 0; }
.toc-list li + li { border-top: 1px solid rgba(255, 255, 255, 0.08); }
.toc-list a {
  display: grid; grid-template-columns: 9.5rem 1fr; gap: 1rem; align-items: baseline;
  padding: 0.9rem 0; color: inherit; text-decoration: none;
}
.toc-list a:hover .toc-title { color: var(--glow); }
.toc-label { font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--night-soft); }
.toc-title { font-size: 1.15rem; transition: color 0.15s; }
.toc-note { margin: 2.5rem 0 0; font-size: 0.9rem; font-style: italic; color: var(--night-soft); }
.cover-page + .colophon { background: var(--night); color: var(--night-soft); border-top-color: rgba(255,255,255,0.08); margin: 0; max-width: none; }

@media (max-width: 720px) {
  .cover { grid-template-columns: 1fr; min-height: auto; padding-top: 1.5rem; }
  .cover-text { padding: 0; text-align: left; }
  .cover-title { font-size: clamp(2.4rem, 12vw, 3.4rem); }
  .toc-list a { grid-template-columns: 1fr; gap: 0.2rem; }
  .chapter-head { margin: 3rem 0 2.5rem; }
  .toc { padding-top: 2rem; }
  .prose .hud { margin-left: 0.4em; font-size: 0.8em; }
  /* Phone: TOC link on its own row, prev/next share the second one. */
  .chapter-nav { font-size: 0.9rem; gap: 0.9rem 0.6rem; grid-template-columns: 1fr 1fr; }
  .nav-home { grid-column: 1 / -1; grid-row: 1; text-align: center; }
  .nav-prev { grid-row: 2; }
  .nav-next { grid-row: 2; }
}

/* Desktop: chapters get a wider column than the title page (~70 chars/line). */
@media (min-width: 900px) {
  .reader, .topbar, .colophon { max-width: 52rem; }
  .prose { font-size: 1.08em; }
}

@media print {
  .topbar, .chapter-nav, .colophon, .skip { display: none; }
  body { background: #fff; color: #000; font-size: 11pt; }
}