/* ─────────────────────────────────────────────
   DOODLE JOURNAL — Project-Specific Styles
   Personal archive, 1998–present
   Import AFTER style.css and personal-project.css
   ───────────────────────────────────────────── */

:root {
  --brand:       #0B346E;
  --paper:       #FFFFFB;
  --paper-deep:  #ece8de;
  --paper-stage: #efece4;
  --ink:         #1a1a18;
  --ink-soft:    #4a4a44;
  --ink-faint:   #8a8a82;
  --rule:        #d8d2c4;
  --mono:        ui-monospace, 'SF Mono', 'JetBrains Mono', Menlo, monospace;

  /* secondary ink — a nod to the ballpoint-pen blue running through the actual
     notebook pages; used only for interactive/hover moments, never for the
     "current position" markers (those use --accent) */
  --ink-blue:      oklch(42% 0.07 250);
  --ink-blue-soft: oklch(42% 0.07 250 / 0.12);

  /* aliases used by local components */
  --bg:          #FFFFFB;
  --bg-deep:     #ece8de;
  --ink-muted:   #8a8a82;
  --rule-soft:   #e3ddd0;
  --accent:       #C73E3A;
  --accent-shade: color-mix(in srgb, #C73E3A 70%, black);
}

html { scroll-behavior: smooth; }
[hidden] { display: none !important; }

/* the hero cover image intentionally bleeds past the right edge — clip it at
   the viewport edge instead of letting it create a horizontal scrollbar.
   "clip" (not "hidden") so it doesn't become a scroll container and break
   the sticky era__head positioning further down the page. */
body { overflow-x: clip; }


/* ── HERO (local overrides only) ── */
.hero__title,
.hero__title em { color: var(--brand); }
.hero__dek { margin-bottom: 1.5rem; }
.hero {
  overflow: visible; /* let the cover image overflow past the hero without being clipped */
}
.hero__inner {
  display: grid;
  /* minmax(0, Nfr), not plain Nfr — otherwise the second track grows to fit
     the cover image's full max-content width instead of the fr ratio */
  grid-template-columns: minmax(0, 3fr) minmax(0, 1fr);
  align-items: start;
  gap: 0 1rem;
}
.hero__cover {
  height: auto;
  min-width: 0; /* stop the grid track from growing to fit this item's width */
  justify-self: start;
  pointer-events: none;
}
/* fade only — no slide-up, unlike the site-wide .reveal default.
   also drop the transform transition entirely: the scroll-linked slide-out
   below sets transform continuously and needs it to apply instantly,
   not ease over .reveal's 0.7s. */
.hero__cover.reveal,
.hero__cover.reveal.visible {
  transform: none;
  transition: opacity 0.7s ease;
}
.hero__intro {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 1.18rem;
  line-height: 1.75;
  color: var(--ink);
  margin-bottom: 3.5rem;
}
.hero__intro em { font-style: italic; color: var(--ink-soft); }
/* shared style.css sets 0.7 opacity on this label, which blends to ~3.96:1 against
   this page's --paper — below WCAG AA. Bumped just enough to clear 4.5:1 here. */
.hero__meta-label { opacity: 0.8; }

/* ── ARCHIVE LAYOUT ── */
.archive {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 3rem 3rem;
}

/* ── CONTENTS — margin tick-rail (fixed in the left margin) ── */
nav.toc-rail {
  /* reset global nav overrides from style.css */
  top: 50%;
  left: 2.5rem;
  right: auto;
  background: transparent;
  border-bottom: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
  padding: 0;
  transform: translateY(-50%);
  z-index: 40;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
}
.toc-rail a {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.42rem 0;
  color: var(--ink-muted);
  text-decoration: none;
}
.toc-rail__mark {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink-muted);
  flex: none;
  opacity: 0.55;
  transition: width 0.25s ease, background 0.25s ease, opacity 0.25s ease;
}
.toc-rail__year {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.25s ease, transform 0.25s ease, color 0.25s ease;
}
.toc-rail:hover .toc-rail__year { opacity: 0.7; transform: none; }
.toc-rail a:hover .toc-rail__mark { width: 30px; background: var(--accent-shade); opacity: 1; }
.toc-rail a:hover .toc-rail__year { opacity: 1; color: var(--accent-shade); }
.toc-rail a.active .toc-rail__mark { width: 34px; background: var(--accent); opacity: 1; }
.toc-rail a.active .toc-rail__year { opacity: 1; color: var(--accent); }

/* hidden until the top of the timeline scrolls into view */
.toc-rail {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.45s ease, visibility 0.45s ease;
}
body.rail-visible .toc-rail {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ── CONTENTS — floating button (mobile only) ── */
.toc-jump { display: none; }
.toc-jump__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--ink);
  color: var(--bg);
  border: none;
  border-radius: 100px;
  cursor: pointer;
  padding: 0.8rem 1.3rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  box-shadow: 0 12px 30px -14px rgba(40,32,20,0.6);
}
.toc-jump__ix { display: flex; flex-direction: column; gap: 3px; }
.toc-jump__ix span { width: 15px; height: 1.5px; background: var(--bg); border-radius: 2px; }
.toc-jump__panel {
  list-style: none;
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.6rem);
  width: 232px;
  padding: 0.5rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 12px;
  box-shadow: 0 18px 40px -18px rgba(40,32,20,0.5);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.toc-jump.open .toc-jump__panel { opacity: 1; transform: none; pointer-events: auto; }
.toc-jump__panel li + li { border-top: 1px solid var(--rule-soft); }
.toc-jump__panel a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.6rem 0.7rem;
  border-radius: 7px;
  color: var(--ink-soft);
  transition: background 0.15s ease;
}
.toc-jump__panel a:hover { background: var(--ink-blue-soft); }
.toc-jump__panel a:active { background: var(--bg); }
.toc-jump__panel a.active { color: var(--accent); }
.toc-jump__panel .yr { font-family: var(--serif); font-size: 1.1rem; }
.toc-jump__panel .sub { font-family: var(--serif); font-style: italic; font-size: 0.95rem; color: var(--ink-soft); }

/* ── TIMELINE / ERAS ── */
.eras {
  position: relative;
  padding-left: 2.75rem;
}
/* spine drawn between dots, not as one long line */
.era:not(:last-child)::after {
  content: '';
  position: absolute;
  left: calc(5px - 2.75rem);
  top: calc(1.2rem + 11px);
  bottom: -0.7rem;
  width: 1px;
  background: var(--rule);
}
.era:last-child .era__dot { background: var(--accent); border-color: var(--accent); }
.era {
  position: relative;
}
/* real content, not padding — padding-bottom isn't counted by the browser
   when clamping how far a sticky child inside can travel, so the buffer
   between eras has to be an actual element with height */
.era__spacer {
  height: 5.5rem;
}
.era__dot {
  position: absolute;
  left: calc(-2.75rem + 1px);
  top: 1.2rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--ink-muted);
  transition: background 0.25s ease, border-color 0.25s ease;
}
.era.seen .era__dot { background: var(--accent); border-color: var(--accent); }

.era__head {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
  position: sticky;
  top: 3.75rem;
  z-index: 5;
  background: var(--bg);
  padding: 0.5rem 0;
  transition: top 0.35s ease;
}
/* the site nav now hides on scroll-down / shows on scroll-up like every other
   page — synced here (via body.nav-retreated, toggled by the inline <script>)
   so era__head sticks flush to the viewport top once the nav is gone,
   instead of leaving a gap where the nav used to sit. */
body.nav-retreated .era__head { top: 0; }
.era__year {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5vw, 4rem);
  line-height: 0.95;
  font-weight: 400;
  margin: 0;
}
.era__sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--ink-soft);
}
.era__caption {
  font-family: var(--sans);
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--ink);
  margin-bottom: 2rem;
}
.era__caption .ph {
  color: var(--ink-muted);
  font-style: italic;
}

/* ── MEDIA: one large spread + thumbnail strip ── */
.era__thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.9rem;
}
.thumb {
  position: relative;
  width: 86px;
  aspect-ratio: 16 / 9;
  flex: none;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: var(--paper);
  background-size: cover;
  background-position: center;
  cursor: pointer;
  overflow: hidden;
  opacity: 0.6;
  transition: opacity 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.thumb:hover { opacity: 1; border-color: var(--ink-blue); }
.thumb:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.thumb.is-active {
  opacity: 1;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.thumb__gutter {
  position: absolute; left: 50%; top: 0; bottom: 0; width: 1px;
  background: rgba(40,32,20,0.12); transform: translateX(-50%);
}
.thumb__n {
  position: absolute; left: 5px; bottom: 3px;
  font-family: var(--mono); font-size: 0.52rem; letter-spacing: 0.06em;
  color: var(--paper);
  background: rgba(26, 26, 24, 0.72);
  padding: 1px 4px;
  border-radius: 2px;
  line-height: 1.3;
}
.thumb.is-active .thumb__n { color: var(--paper); background: var(--accent); }

/* ── NOTEBOOK SPREAD ── */
figure.spread { margin: 0; }
.spread__frame img {
  width: 100%;
  height: auto;
  display: block;
}
.spread__frame {
  position: relative;
  border-radius: 2px;
  overflow: visible;
  box-shadow: 0 1px 0 rgba(0,0,0,0.02), 0 12px 28px -22px rgba(40,32,20,0.5);
}
/* fixed-height frame — images centred, no stretch, no jumping when switching */
.spread__frame--uniform {
  height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--paper-deep);
}
.spread__frame--uniform img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.spread__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper-deep);
  aspect-ratio: 4 / 3;
  padding: 2rem;
  text-align: center;
}
.spread__cta p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.spread__cta a {
  color: var(--accent-shade);
  text-decoration: underline;
  text-underline-offset: 3px;
}
figure.spread figcaption {
  margin-top: 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

/* ── CLOSING VIDEO — full-bleed, 16:9 ── */
.video-feature { width: 100%; }
.video-feature__frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--brand); /* placeholder — swap for a poster/first-frame once the clip is in */
}
.video-feature__video {
  /* hidden by default — an empty <video controls> paints its own opaque
     black box regardless of CSS background, hiding the placeholder colour.
     JS below un-hides it once a real <source> is present. */
  display: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .archive { padding: 0 1.25rem 4rem; }
  /* mobile: drop the cover image, let the text take the full width */
  .hero__inner { grid-template-columns: 1fr; }
  .hero__cover { display: none; }
  /* mobile: hide the margin rail, use a floating Contents button instead */
  .toc-rail { display: none !important; }
  .toc-jump {
    display: block;
    position: fixed;
    right: 1.1rem;
    bottom: 1.1rem;
    z-index: 70;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease;
  }
  body.rail-visible .toc-jump { opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
  .eras { padding-left: 2rem; }
  .era__dot { left: calc(-2rem + 1px); }
  .era__spacer { height: 4rem; }
  .thumb { width: 72px; }
}
@media (max-width: 480px) {
  .hero__meta { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}