/* reading.css — standalone stylesheet for the /reading/ log.
   Deliberately not shared with v2.css — its own type, color, and rhythm.
   Display: PicNic (self-hosted, assets/fonts/, no bold available).
   Meta/quotes: Space Mono. */

@font-face {
  font-family: 'PicNic';
  src: url('/assets/fonts/PicNic.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #fcfcfa;
  --ink: #121212;
  --ink-muted: #6b6b6b;
  --rule: rgba(18, 18, 18, 0.1);
  --accent: #3f2bff;
  --font-display: 'PicNic', Georgia, serif;
  --font-mono: 'Space Mono', 'SF Mono', monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
}

body.reading {
  font-family: var(--font-mono);
  line-height: 1.6;
  font-size: 0.75rem;
}

a {
  color: inherit;
}

.reading-header {
  padding: 32px 32px 0;
}

.reading-header__back {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  text-decoration: none;
}

.reading-header__back:hover {
  color: var(--accent);
}

.reading-main {
  max-width: 680px;
  margin: 0 auto;
  padding: 40px 32px 96px;
}

.reading-title {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 400;
  line-height: 0.95;
  color: var(--accent);
  margin: 0 0 24px;
}

.reading-intro {
  font-family: var(--font-mono);
  color: var(--ink-muted);
  font-size: 0.7rem;
  line-height: 1.7;
  margin: 0 0 44px;
  max-width: 42ch;
}

.reading-nav {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
}

.reading-nav__link {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  text-decoration: none;
}

.reading-nav__link:hover {
  color: var(--accent);
}

.reading-nav__link--active {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.reading-section {
  margin-bottom: 40px;
}

.reading-section__note {
  font-family: var(--font-mono);
  color: var(--ink-muted);
  font-size: 0.62rem;
  margin: -12px 0 20px;
  max-width: 46ch;
}

.timeline-h {
  width: 100vw;
  position: relative;
  left: 50%;
  margin-left: -50vw;
  margin-top: 0;
}

.timeline-h__scroll {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  overflow-x: auto;
  padding: 40px 32px 32px;
  scroll-snap-type: x proximity;
}

.timeline-h__month {
  flex: 0 0 280px;
  scroll-snap-align: start;
  position: relative;
  padding-top: 26px;
}

.timeline-h__month::before {
  content: none;
}

.timeline-h__month::after {
  content: '';
  position: absolute;
  top: 5px;
  left: 12px;
  width: calc(100% - 12px + 18px);
  height: 2px;
  background: var(--rule);
}

.timeline-h__month--undated {
  flex-basis: 280px;
}

.timeline-h__month--undated::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--ink-muted);
  z-index: 1;
}

.timeline-h__month--current {
  flex-basis: 340px;
}

.timeline-h__marker {
  position: absolute;
  top: -8px;
  left: 0;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--ink);
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 100px;
  white-space: nowrap;
  z-index: 2;
}

.timeline-h__marker--now {
  background: var(--accent);
}

.timeline-h__year-sticky {
  flex: 0 0 auto;
  position: sticky;
  left: 32px;
  margin-top: -28px;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  white-space: nowrap;
  z-index: 3;
}

.timeline-h__spacer {
  flex: 0 0 50vw;
  position: relative;
}

.timeline-h__spacer::before {
  content: '';
  position: absolute;
  top: 5px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--rule);
}

.timeline-h__books {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.timeline-h__book .book-entry__title {
  display: block;
  font-size: 1.4rem;
  line-height: 1.1;
}

.timeline-h__book .book-entry__author {
  margin-top: 2px;
}

.timeline-h__book .book-entry__quotes {
  margin-top: 12px;
}

.reading-section__title {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--ink);
  font-weight: 700;
  margin: 0 0 24px;
  padding: 6px 12px;
  border-radius: 100px;
}

.book-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.book-entry {
  padding: 8px 0;
  border-bottom: 1px solid var(--rule);
}

.book-entry:last-child {
  border-bottom: none;
}

.book-entry__meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.book-entry__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 0.95;
  text-decoration: none;
}

.book-entry__title:hover {
  color: var(--accent);
}

.book-entry__author {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.6rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.book-entry__quotes {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.book-entry__quotes blockquote {
  margin: 0;
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--accent);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.6;
  color: var(--ink);
}

.book-entry__quotes blockquote p {
  margin: 0 0 8px;
}

.book-entry__quotes blockquote p:last-child {
  margin-bottom: 0;
  color: var(--ink-muted);
}

.author-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.author-entry {
  margin-bottom: 28px;
}

.author-entry__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.author-entry__count {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  color: var(--accent);
  vertical-align: super;
  margin-left: 2px;
}

.book-list--nested {
  padding-left: 20px;
  border-left: 1px solid var(--rule);
}

.book-list--nested .book-entry {
  padding: 14px 0;
}

.book-list--nested .book-entry__title {
  font-size: 0.85rem;
}

.book-page__back {
  display: inline-block;
  margin-bottom: 40px;
}

.book-page__author {
  font-family: var(--font-mono);
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.03em;
  margin: -8px 0 40px;
}

.reading-footer {
  text-align: center;
  padding: 32px;
  font-family: var(--font-mono);
  color: var(--ink-muted);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.reading-footer__credit {
  margin-top: 6px;
  opacity: 0.7;
  text-transform: none;
  letter-spacing: normal;
}

.reading-footer__credit a {
  color: inherit;
  text-decoration: underline;
}

.reading-footer__credit a:hover {
  color: var(--accent);
}

/* =============================================================================
   ENTRANCE ANIMATION
   Runs on every load, since every navigation on this multi-page site is a
   fresh document — there's no client-side routing to gate a "first time" on.
============================================================================= */
@keyframes readingEnter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reading-title,
.reading-nav,
.reading-intro,
.reading-section__title,
.book-entry,
.author-entry,
.timeline-h__year-sticky,
.timeline-h__month {
  animation: readingEnter 320ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.reading-nav {
  animation-delay: 40ms;
}

.reading-intro {
  animation-delay: 60ms;
}

.reading-section__title {
  animation-delay: 20ms;
}

.book-entry:nth-child(1) { animation-delay: 60ms; }
.book-entry:nth-child(2) { animation-delay: 85ms; }
.book-entry:nth-child(3) { animation-delay: 110ms; }
.book-entry:nth-child(4) { animation-delay: 135ms; }
.book-entry:nth-child(5) { animation-delay: 160ms; }
.book-entry:nth-child(6) { animation-delay: 185ms; }
.book-entry:nth-child(7) { animation-delay: 210ms; }
.book-entry:nth-child(8) { animation-delay: 235ms; }

.author-entry:nth-child(1) { animation-delay: 60ms; }
.author-entry:nth-child(2) { animation-delay: 90ms; }
.author-entry:nth-child(3) { animation-delay: 120ms; }
.author-entry:nth-child(4) { animation-delay: 150ms; }
.author-entry:nth-child(5) { animation-delay: 180ms; }

.timeline-h__year-sticky {
  animation-delay: 30ms;
}

/* Per-column .timeline-h__month animation-delay is set inline in
   reading-timeline.html — it ripples "now" to past, accelerating. */

@media (prefers-reduced-motion: reduce) {
  .reading-title,
  .reading-nav,
  .reading-intro,
  .reading-section__title,
  .book-entry,
  .author-entry,
  .timeline-h__year-sticky,
  .timeline-h__month {
    animation: none;
  }
}

@media (max-width: 600px) {
  .reading-header {
    padding: 24px 20px 0;
  }

  .reading-main {
    padding: 32px 20px 64px;
  }

  .reading-title {
    font-size: 1.9rem;
  }

  .book-entry__title {
    font-size: 1.05rem;
  }
}