/*
 * History page. Loaded after shared/tokens.css and shared/chrome.css.
 * Page-specific styles only; every color, font and duration is a token.
 * Layout: phones get a sticky bar (year + thread chips); 1024px and up get a
 * sticky left rail. The page reads top to bottom with or without JS.
 */

html { scroll-padding-top: calc(var(--h-top, 56px) + 72px); }
@media (min-width: 1024px) { html { scroll-padding-top: calc(var(--h-top, 56px) + 24px); } }
body.h-page {
  margin: 0;
  background: var(--ink-0);
  color: var(--paper);
  font: 400 17px/1.6 var(--font-body);
  -webkit-text-size-adjust: 100%;
}
@media (min-width: 700px) { body.h-page { font-size: 18px; } }
.h-page a { color: var(--link); text-underline-offset: 3px; }
.h-page :focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.h-sr {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.h-ico { flex: none; vertical-align: -2px; }
[hidden] { display: none !important; }

/* clip, not hidden: no scroll container, so the sticky rail keeps working */
.h-main { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); overflow-x: clip; }

/* ---- Hero ---- */
.h-hero { padding: 56px 0 40px; border-bottom: 1px solid var(--ink-3); }
@media (min-width: 1024px) { .h-hero { padding: 88px 0 56px; } }
.h-hero__title {
  margin: 0;
  font: 400 clamp(44px, 11vw, 120px)/.92 var(--font-display);
  letter-spacing: -.01em;
  text-transform: uppercase;
  max-width: 12ch;
}
.h-hero__dek {
  margin: 20px 0 0;
  max-width: 40ch;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.4;
  color: var(--paper-dim);
}
.h-hero__meta {
  display: flex; flex-wrap: wrap; gap: 8px 22px;
  margin: 24px 0 0;
  font: 400 13px/1.4 var(--font-mono);
  color: var(--paper-mute);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.h-hero__meta a { display: inline-flex; align-items: center; gap: 6px; color: var(--sodium); text-decoration: none; }
.h-hero__meta a:hover { text-decoration: underline; }

.h-legend {
  display: grid;
  gap: 24px;
  margin-top: 40px;
  padding: 20px;
  background: var(--ink-1);
  border: 1px solid var(--ink-3);
  border-radius: var(--r-card);
}
@media (min-width: 1024px) { .h-legend { grid-template-columns: 1fr 1.2fr 1.2fr; gap: 32px; padding: 24px 28px; } }
.h-legend__k {
  margin: 0 0 12px;
  font: 700 12px/1.2 var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.h-legend .k-key { flex-direction: column; gap: 8px; }
.h-legend__labels { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 14px; line-height: 1.45; color: var(--paper-dim); }
.h-legend__labels li { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.h-legend__note { margin: 12px 0 0; font-size: 13px; line-height: 1.5; color: var(--paper-mute); }

/* ---- Layout ---- */
.h-layout { position: relative; }
@media (min-width: 1024px) {
  .h-layout { display: grid; grid-template-columns: 268px minmax(0, 1fr); gap: 44px; }
}

/* ---- Rail (desktop) / bar (phone and tablet) ---- */
.h-rail {
  position: sticky;
  top: var(--h-top, 56px);
  z-index: 20;
  margin: 0 calc(var(--gutter) * -1);
  padding: 10px var(--gutter) 0;
  background: rgba(11, 11, 12, .94);
  border-bottom: 1px solid var(--ink-3);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  column-gap: 14px;
}
.h-rail__now { display: flex; flex-direction: column; min-width: 4.6em; }
.h-rail__k {
  font: 700 10px/1.2 var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.h-rail__year {
  display: block;
  font: 400 20px/1.15 var(--font-display);
  text-transform: uppercase;
  color: var(--paper);
  white-space: nowrap;
}
.h-rail__progress {
  grid-column: 1 / -1;
  order: 9;
  height: 2px;
  margin: 10px calc(var(--gutter) * -1) -1px;
  background: transparent;
}
.h-rail__bar {
  display: block;
  height: 100%;
  background: var(--ember);
  transform-origin: 0 50%;
  transform: scaleX(var(--p, 0));
}
.h-filters {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 2px 2px 2px;
  margin-right: calc(var(--gutter) * -1);
  padding-right: var(--gutter);
  mask-image: linear-gradient(90deg, #000 85%, transparent);
  -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent);
}
.h-filters::-webkit-scrollbar { display: none; }
.h-chip.k-btn { flex: none; min-height: 40px; padding: 0 12px; font-size: 14px; font-weight: 600; gap: 7px; }
.h-chip__n { font: 400 11px/1 var(--font-mono); color: var(--paper-mute); }
.h-chip[aria-pressed="true"] .h-chip__n { color: var(--ember); }
.h-status {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  font: 400 12px/1.3 var(--font-mono);
  color: var(--paper-mute);
}
.h-status:empty { display: none; }
.h-eras { display: none; }
html:not(.js) .h-rail__now, html:not(.js) .h-rail__progress { display: none; }
html:not(.js) .h-rail { position: static; display: block; padding-bottom: 10px; }
html:not(.js) .h-eras { display: block; }

@media (min-width: 1024px) {
  .h-rail {
    align-self: start;
    top: calc(var(--h-top, 56px) + 24px);
    margin: 40px 0 0;
    padding: 0;
    background: none;
    border: 0;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
    max-height: calc(100vh - var(--h-top, 56px) - 48px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--ink-3) transparent;
  }
  html:not(.js) .h-rail { position: sticky; display: flex; }
  .h-rail__year { font-size: 44px; line-height: 1; }
  .h-rail__now .h-rail__k { margin-bottom: 6px; }
  .h-rail__progress { order: 0; margin: 0; height: 3px; background: var(--ink-3); }
  .h-filters {
    flex-wrap: wrap;
    overflow: visible;
    margin: 0;
    padding: 0;
    mask-image: none;
    -webkit-mask-image: none;
  }
  .h-filters { gap: 6px; }
  .h-chip.k-btn { min-height: 34px; padding: 0 9px; font-size: 13px; gap: 6px; }
  .h-status { margin: -6px 0 0; }
  .h-eras { display: block; }
  .h-eras ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--ink-3); }
  .h-eras a {
    display: block;
    padding: 4px 0 4px 12px;
    margin-left: -1px;
    border-left: 2px solid transparent;
    font: 500 13px/1.3 var(--font-body);
    color: var(--paper-dim);
    text-decoration: none;
    transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
  }
  .h-eras a span { display: none; }
  .h-eras a:hover { color: var(--paper); }
  .h-eras a[aria-current="true"] { color: var(--paper); border-left-color: var(--ember); }
}

/* ---- Flow and the string down its spine ---- */
.h-flow { position: relative; padding: 8px 0 0 22px; min-width: 0; }
@media (min-width: 700px) { .h-flow { padding-left: 40px; } }
.h-spine {
  position: absolute;
  left: 5px;
  top: 0;
  width: 2px;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}
@media (min-width: 700px) { .h-spine { left: 11px; } }
.h-spine line { stroke-width: 2px; }
.h-spine__base { stroke: var(--ink-3); }
.h-spine__draw { stroke: var(--ember); stroke-dasharray: 1; stroke-dashoffset: 1; }
html:not(.js) .h-spine__draw, .h-still .h-spine__draw { stroke-dashoffset: 0; stroke: var(--ink-3); }

/* ---- Eras ---- */
.h-era { position: relative; padding-top: 72px; }
.h-era__head { position: relative; margin-bottom: 32px; max-width: var(--measure); isolation: isolate; }
.h-era__smoke {
  position: absolute;
  inset: -60px -40px -40px -60px;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60% 55% at 22% 40%, rgba(255, 77, 26, .07), transparent 70%),
    radial-gradient(50% 60% at 70% 60%, rgba(155, 176, 201, .06), transparent 70%);
  filter: blur(6px);
}
.h-era__head::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--ember);
  transform: translateX(-1px) rotate(45deg);
}
@media (min-width: 700px) { .h-era__head::before { left: -34px; } }
.h-era__title {
  margin: 0;
  font: 400 clamp(32px, 6vw, 60px)/.98 var(--font-display);
  text-transform: uppercase;
  letter-spacing: -.005em;
}
.h-era__dek { margin: 14px 0 0; color: var(--paper-dim); font-size: 18px; max-width: 56ch; }
.h-era__n {
  margin: 12px 0 0;
  font: 400 12px/1 var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

/* ---- Groups (years, or months in 2026) ---- */
.h-group { position: relative; margin-top: 28px; }
.h-anchor { position: absolute; top: 0; }
.h-group__label {
  position: relative;
  margin: 0 0 14px;
  font: 700 14px/1 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sodium);
}
.h-group__label::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 4px;
  width: 7px;
  height: 7px;
  background: var(--ink-0);
  border: 2px solid var(--sodium);
}
@media (min-width: 700px) { .h-group__label::before { left: -33px; } }
.h-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }

/* ---- Entry card ---- */
.h-entry {
  position: relative;
  max-width: 760px;
  padding: 18px 18px 16px;
  background: var(--ink-1);
  border: 1px solid var(--ink-3);
  border-radius: var(--r-card);
  scroll-margin-top: calc(var(--h-top, 56px) + 90px);
}
@media (min-width: 700px) { .h-entry { padding: 22px 26px 20px; } }
.h-entry::before {
  /* node on the spine, colored by the kind of record behind the entry */
  content: "";
  position: absolute;
  left: -21px;
  top: 26px;
  width: 8px;
  height: 8px;
  background: var(--node, var(--line-reported));
  transform: rotate(45deg);
}
@media (min-width: 700px) { .h-entry::before { left: -33px; top: 30px; } }
.h-entry[data-kind="court"] { --node: var(--line-court); }
.h-entry[data-kind="filing"] { --node: var(--line-filing); }
.h-entry[data-kind="official"] { --node: var(--line-official); }
.h-entry[data-kind="patent"] { --node: var(--line-patent); }
.h-entry[data-kind="reported"] { --node: var(--line-reported); }
.h-entry[data-kind="own"] { --node: var(--line-own); }
.h-entry[data-kind="study"] { --node: var(--line-study); }
.h-entry:target { border-color: var(--ember); box-shadow: 0 0 0 1px var(--ember); }

.h-entry__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-bottom: 10px; padding-right: 0; }
.h-entry:has(.h-stamp) .h-entry__meta { padding-right: 120px; }
.h-date { font: 700 14px/1.2 var(--font-mono); color: var(--paper); }
.h-cat {
  font: 400 12px/1.2 var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.h-camp {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 7px 2px 6px;
  border-left: 3px solid;
  background: var(--ink-2);
  border-radius: 0 3px 3px 0;
  font: 700 11px/1.4 var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.h-camp--ban { color: var(--stamp); }
.h-camp--capture { color: var(--money); }

.h-entry__title { margin: 0; font: 700 21px/1.25 var(--font-body); letter-spacing: -.01em; max-width: 46ch; }
@media (min-width: 700px) { .h-entry__title { font-size: 23px; } }
.h-entry__title a { color: var(--paper); text-decoration: none; }
.h-entry__title a:hover { text-decoration: underline; text-decoration-color: var(--ink-3); text-decoration-thickness: 2px; }
.h-entry__body { margin: 10px 0 0; max-width: var(--measure); color: var(--paper-dim); }

.h-why, .h-open { margin-top: 14px; max-width: var(--measure); }
.h-why p, .h-open p { margin: 0; }
.h-why__k, .h-open__k {
  display: flex; align-items: center; gap: 6px;
  margin: 0 0 4px !important;
  font: 700 11px/1.3 var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.h-why { padding-left: 12px; border-left: 2px solid var(--ember); }
.h-why__k { color: var(--ember); }
.h-open { padding: 10px 12px; border: 1px dashed var(--label-open); border-radius: 4px; color: var(--paper-dim); }
.h-open__k { color: var(--paper-mute); }

.h-sources { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.h-sources li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; min-width: 0; }
.h-sources .k-src { overflow-wrap: anywhere; }
.h-src--nolink:hover { text-decoration: none; color: var(--paper-dim); }
.h-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  margin-top: 14px;
}
.h-board {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  font: 700 13px/1.2 var(--font-mono);
  color: var(--sodium) !important;
  text-decoration: none;
}
.h-board--read { color: var(--link) !important; }
.h-board .h-ico { transition: transform var(--dur-1) var(--ease); }
.h-board:hover { text-decoration: underline; }
.h-board:hover .h-ico { transform: translateX(3px); }

/* ---- Effects ---- */
.h-stamp {
  position: absolute;
  top: 14px;
  right: 14px;
  margin: 0;
  background: rgba(11, 11, 12, .6);
  pointer-events: none;
}
@media (max-width: 459px) {
  .h-stamp { position: static; margin: 0 0 10px; }
  .h-entry:has(.h-stamp) .h-entry__meta { padding-right: 0; }
}

.h-quote { margin: 14px 0 0; padding: 0; max-width: var(--measure); }
.h-quote p { margin: 0; font: 500 19px/1.45 var(--font-body); color: var(--paper); }
.h-quote footer, .h-flip footer { margin-top: 6px; font: 400 13px/1.4 var(--font-mono); color: var(--paper-mute); }
.h-hl {
  background-image: linear-gradient(transparent 58%, rgba(255, 181, 71, .32) 58%);
  background-repeat: no-repeat;
  background-size: var(--hl, 100%) 100%;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.h-flip { margin-top: 14px; }
.h-flip__card { display: grid; gap: 10px; }
.h-flip__side {
  margin: 0;
  padding: 16px 18px;
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--r-card);
}
.h-flip__back { border-color: var(--ember); }
.h-flip__when {
  margin: 0 0 6px;
  font: 700 11px/1 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.h-flip__back .h-flip__when { color: var(--ember); }
.h-flip__text { margin: 0; font: 500 20px/1.4 var(--font-body); color: var(--paper); }
.h-flip__btn.k-btn { margin-top: 10px; min-height: 40px; font-size: 14px; }
/* JS with motion: one card, two faces */
.h-flip.is-live { perspective: 1200px; }
.h-flip.is-live .h-flip__card { gap: 0; transform-style: preserve-3d; transition: transform .6s var(--ease); }
.h-flip.is-live .h-flip__side { grid-area: 1 / 1; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.h-flip.is-live .h-flip__back { transform: rotateY(180deg); }
.h-flip.is-live.is-flipped .h-flip__card { transform: rotateY(180deg); }

.h-doc { margin: 16px 0 0; }
.h-doc__frame {
  background: var(--paper-warm);
  border: 1px solid var(--ink-3);
  border-radius: 4px;
  overflow: hidden;
  max-width: 100%;
  clip-path: inset(0 var(--wipe, 0%) 0 0);
}
.h-doc img { display: block; width: 100%; height: auto; }
.h-doc figcaption { margin-top: 8px; font: 400 13px/1.5 var(--font-mono); color: var(--paper-mute); max-width: var(--measure); }

.h-bars { margin: 16px 0 0; padding: 14px 16px; background: var(--ink-2); border: 1px solid var(--ink-3); border-radius: var(--r-card); max-width: 620px; }
.h-bars figcaption { margin-bottom: 10px; font: 700 12px/1.3 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--paper-mute); }
.h-bars ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.h-bars li { display: grid; grid-template-columns: 4.6em minmax(0, 1fr) auto; align-items: center; gap: 10px; font: 400 13px/1.2 var(--font-mono); }
.h-bars__label { color: var(--paper-dim); }
.h-bars__track { height: 14px; background: var(--ink-1); border-radius: 2px; overflow: hidden; }
.h-bars__fill { display: block; height: 100%; width: calc(var(--w) * 100%); background: var(--money); transform-origin: 0 50%; }
.h-bars__val { color: var(--money); text-align: right; min-width: 6.4em; }
.h-bars__total { margin: 10px 0 0; font: 700 14px/1.3 var(--font-mono); color: var(--money); }

.h-counts { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.h-count {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--r-card);
  min-width: 0;
}
.h-count__num { font: 400 clamp(26px, 5vw, 36px)/1 var(--font-display); color: var(--paper); font-variant-numeric: tabular-nums; white-space: nowrap; }
.h-count__num--money { color: var(--money); }
.h-count__label { font: 400 12px/1.35 var(--font-mono); color: var(--paper-mute); max-width: 28ch; }

/* ---- Horizontal run (JS adds .is-run at 1100x700+ with motion allowed) ---- */
.h-era.is-run .h-run { overflow: hidden; padding: 6px 0 12px; margin-left: -6px; padding-left: 6px; }
.h-era.is-run .h-run__track { display: flex; gap: 20px; width: max-content; align-items: flex-start; will-change: transform; }
.h-era.is-run .h-group { display: flex; gap: 20px; margin: 0; align-items: flex-start; }
.h-era.is-run .h-group__label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin: 0;
  padding: 0 4px;
  font-size: 13px;
  align-self: stretch;
  text-align: right;
}
.h-era.is-run .h-group__label::before { display: none; }
.h-era.is-run .h-list { display: flex; gap: 20px; align-items: flex-start; }
.h-era.is-run .h-entry {
  width: clamp(420px, 36vw, 540px);
  max-height: calc(100vh - var(--h-top, 56px) - 72px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-3) transparent;
}
.h-era.is-run .h-entry::before { display: none; }
.h-era.is-run .h-entry__title { font-size: 20px; }
.h-era.is-run .h-entry__body, .h-era.is-run .h-why, .h-era.is-run .h-open { font-size: 16px; }

/* ---- Where it stands ---- */
.h-empty { margin: 48px 0; color: var(--paper-mute); font: 400 14px/1.4 var(--font-mono); }
.h-today {
  position: relative;
  margin-top: 88px;
  padding: 28px 20px 32px;
  background: var(--ink-1);
  border: 1px solid var(--ink-3);
  border-top: 3px solid var(--ember);
  border-radius: var(--r-card);
  max-width: 900px;
}
@media (min-width: 700px) { .h-today { padding: 40px 40px 44px; } }
.h-today__title { margin: 0; font: 400 clamp(36px, 7vw, 72px)/.95 var(--font-display); text-transform: uppercase; }
.h-today__grid { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 14px; }
@media (min-width: 700px) { .h-today__grid { grid-template-columns: 1fr 1fr; } }
.h-today__grid li {
  display: flex; flex-direction: column; gap: 6px;
  padding: 16px 18px;
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--r-card);
  color: var(--paper-dim);
  font-size: 16px;
}
.h-today__big { font: 400 32px/1 var(--font-display); color: var(--paper); text-transform: uppercase; }
.h-today__open { margin-top: 24px; padding: 14px 16px; border: 1px dashed var(--label-open); border-radius: 4px; }
.h-today__open ul { margin: 6px 0 0; padding-left: 18px; color: var(--paper-dim); font-size: 16px; display: grid; gap: 4px; }
.h-close {
  margin: 36px 0 0;
  font: 400 clamp(26px, 4.4vw, 44px)/1.05 var(--font-display);
  text-transform: uppercase;
  color: var(--paper);
  max-width: 18ch;
}

/* ---- Reduced motion: no transitions, everything in its final state ---- */
@media (prefers-reduced-motion: reduce) {
  .h-flip.is-live .h-flip__card, .h-board .h-ico { transition: none; }
}
html[data-motion="reduced"] .h-flip.is-live .h-flip__card { transition: none; }

@media print {
  .k-top, .h-rail, .h-spine, .h-board, .h-era__smoke, .k-foot { display: none !important; }
  body.h-page { background: #fff; color: #000; }
  .h-entry { break-inside: avoid; background: none; border-color: #999; }
}