/* Changelog page — a ruled history of versions, taped into the paper zine.
   Shared tokens, masthead, buttons and footer live in styles.css; this file
   only adds the page's editorial timeline and release-notes typography. */

.changelog-hero {
  position: relative;
  padding: clamp(38px, 6vw, 74px) 0 clamp(28px, 4vw, 44px);
  overflow: hidden;
}
.changelog-hero::before {
  content: "";
  position: absolute;
  top: -190px;
  right: -140px;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  background: var(--pink-soft);
}
.changelog-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 920px;
}
.changelog-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.7rem, 8vw, 5.4rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.055em;
}
.changelog-hero .hero-lead {
  max-width: 58ch;
  margin-top: clamp(18px, 2.5vw, 26px);
}
.changelog-hero .hand { margin-bottom: 10px; }

.changelog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.changelog-tags span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  background: var(--white);
  font-size: 0.7rem;
  font-weight: 800;
}
.changelog-tags .icon { width: 15px; height: 15px; }

/* ---------- Intro + source note ---------- */

.section--changelog {
  padding-top: clamp(34px, 5vw, 52px);
  border-top: 2px solid var(--ink);
}

.changelog-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
  gap: clamp(26px, 5vw, 70px);
  align-items: end;
  margin-bottom: clamp(28px, 4vw, 44px);
}
.changelog-intro h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -0.04em;
}
.changelog-intro .lead {
  max-width: 56ch;
  margin-top: 14px;
}
.changelog-intro .hand { margin-bottom: 8px; }

.changelog-source {
  position: relative;
  min-width: 0;
  padding: 18px 18px 16px;
  border: 1.5px solid var(--line-strong);
  border-left: 3px solid var(--red);
  border-radius: 3px;
  background: var(--white);
  box-shadow: 4px 4px 0 rgba(42, 32, 39, 0.1);
  transform: rotate(0.35deg);
}
.changelog-source .tape--source {
  top: -11px;
  right: 16px;
  width: 72px;
  transform: rotate(3deg);
}
.changelog-source p {
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.6;
}
.changelog-source b { color: var(--ink); }
.changelog-source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 11px;
}
.changelog-source-links a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding-bottom: 1px;
  border-bottom: 2px solid var(--red);
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 800;
  text-decoration: none;
}
.changelog-source-links a:hover { color: var(--red-deep); }
.changelog-source-links .icon { width: 14px; height: 14px; }

.changelog-noscript {
  margin-bottom: 26px;
  padding: 15px 17px;
  border: 2px dashed var(--ink);
  border-radius: 10px;
  background: var(--white);
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.6;
}
.changelog-noscript b { color: var(--ink); }
.changelog-noscript a {
  color: var(--ink);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: var(--red);
  text-underline-offset: 2px;
}

/* ---------- App chapters ---------- */

.app-history { position: relative; }
.app-history + .app-history {
  margin-top: clamp(46px, 7vw, 78px);
  padding-top: clamp(34px, 5vw, 54px);
  border-top: 2px solid var(--ink);
}

.app-history-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--ink);
}
.app-history--manga .app-sticker { transform: rotate(3deg); }
.app-history-name { min-width: 0; }
.app-history-name h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
}
.app-history-name p {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 700;
}
.app-history-link {
  margin-left: auto;
  white-space: nowrap;
}

/* ---------- Version entries ---------- */

.version-list { border-bottom: 2px solid var(--ink); }

.version-entry { border-top: 1px solid var(--line-strong); }
.version-entry:first-child { border-top: 0; }

.version-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
}
.version-head::-webkit-details-marker { display: none; }
.version-head::marker { content: ""; }

.version-mark {
  width: 11px;
  height: 11px;
  flex: none;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 2px 2px 0 var(--pink);
  transition: background 0.18s ease, border-color 0.18s ease;
}
.version-entry[open] .version-mark {
  border-color: var(--red);
  background: var(--red);
  box-shadow: 2px 2px 0 var(--ink);
}

.version-id {
  display: flex;
  flex: 1 1 180px;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 3px 14px;
  min-width: 0;
}
.version-tag {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
}
.version-head:hover .version-tag { color: var(--red-deep); }
.version-date {
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 700;
  white-space: nowrap;
}
.version-latest {
  flex: none;
  transform: rotate(-4deg);
}

.version-toggle {
  position: relative;
  width: 22px;
  height: 22px;
  flex: none;
  margin-left: auto;
}
.version-toggle::before,
.version-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: var(--ink);
  transform: translate(-50%, -50%);
}
.version-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 0.2s ease;
}
.version-entry[open] .version-toggle::after {
  transform: translate(-50%, -50%) rotate(0deg);
}
.version-head:hover .version-toggle::before,
.version-head:hover .version-toggle::after { background: var(--red-deep); }

.version-body {
  position: relative;
  max-width: 74ch;
  padding: 0 0 clamp(22px, 3vw, 30px) 32px;
}
.version-body::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 26px;
  left: 5px;
  width: 1px;
  background: var(--line-strong);
}

.version-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--red);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
  text-decoration: none;
}
.version-link:hover { color: var(--red-deep); }
.version-link .icon { width: 15px; height: 15px; }

/* ---------- Release notes (safe Markdown) ---------- */

.release-md {
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.68;
  overflow-wrap: anywhere;
}
.release-md > :first-child { margin-top: 0; }
.release-md > :last-child { margin-bottom: 0; }
.release-md p { margin: 0 0 0.75em; }
.release-md h5 {
  margin: 1.1em 0 0.35em;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.release-md ul,
.release-md ol {
  margin: 0.3em 0 0.9em;
  padding-left: 1.3em;
}
.release-md ul { list-style: disc; }
.release-md ol { list-style: decimal; }
.release-md li { margin: 0.25em 0; padding-left: 0.15em; }
.release-md li::marker { color: var(--red-deep); }
.release-md strong { color: var(--ink); font-weight: 800; }
.release-md em { font-style: italic; }
.release-md code {
  padding: 1px 5px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--paper-2);
  color: var(--ink);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.82em;
}
.release-md pre {
  margin: 0.6em 0 1em;
  padding: 12px 14px;
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--paper-2);
}
.release-md pre code {
  padding: 0;
  border: 0;
  background: none;
  font-size: 0.8rem;
}
.release-md a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--red);
  text-underline-offset: 2px;
}
.release-md a:hover { color: var(--red-deep); }
.release-md hr {
  margin: 1em 0;
  border: 0;
  border-top: 1px solid var(--line-strong);
}
.release-md--empty { margin: 0; }

/* ---------- Empty / failed state ---------- */

.version-empty {
  position: relative;
  padding: clamp(22px, 4vw, 34px) 0 clamp(24px, 4vw, 34px) 32px;
}
.version-empty::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 26px;
  left: 5px;
  width: 1px;
  background: var(--line-strong);
}
.version-empty-stamp { margin-bottom: 12px; }
.version-empty-copy {
  max-width: 60ch;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.65;
}
.version-empty-link { margin-top: 16px; }

.foot-col a[aria-current="page"] {
  color: var(--paper);
  text-decoration: underline wavy var(--pink) 1.5px;
  text-underline-offset: 3px;
}

@media (max-width: 820px) {
  .changelog-intro { grid-template-columns: 1fr; gap: 22px; align-items: start; }
  .changelog-source { max-width: 46rem; }
}

@media (max-width: 600px) {
  .changelog-hero h1 { font-size: clamp(2.35rem, 11.5vw, 3.6rem); }
  .app-history-name h3 { font-size: 1.35rem; }
  .version-head { gap: 12px; padding: 16px 0; }
  .version-body,
  .version-empty { padding-left: 28px; }
  .version-body::before,
  .version-empty::before { left: 5px; }
  .app-history-link { margin-left: 0; }
}

@media (max-width: 400px) {
  .version-id { flex-basis: 150px; }
  .version-date { white-space: normal; }
}

@media (prefers-reduced-motion: reduce) {
  .version-mark,
  .version-toggle::after { transition: none; }
}