/* =========================================================
   Roman timeline detail page
   Add as timeline-detail.css after your main styles.css file.
   ========================================================= */

.page-timeline-detail {
  --timeline-ink: #17130f;
  --timeline-paper: #f5efe3;
  --timeline-paper-deep: #e9dfcd;
  --timeline-red: #7b1f26;
  --timeline-red-dark: #4b1017;
  --timeline-gold: #c6a15b;
  --timeline-gold-soft: #e2c98f;
  --timeline-muted: #72685b;
  --timeline-line: rgba(55, 43, 31, 0.18);
  background: var(--timeline-paper);
  color: var(--timeline-ink);
}

.page-timeline-detail *,
.page-timeline-detail *::before,
.page-timeline-detail *::after {
  box-sizing: border-box;
}

.page-timeline-detail .skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  color: #fff;
  background: var(--timeline-red-dark);
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

.page-timeline-detail .skip-link:focus {
  transform: translateY(0);
}

.page-timeline-detail .scroll-progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 999;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--timeline-gold), #fff0bc);
  pointer-events: none;
}

.page-timeline-detail .content-shell {
  width: min(1180px, calc(100% - 3rem));
  margin-inline: auto;
}

.timeline-detail-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.65fr);
  gap: clamp(2rem, 6vw, 7rem);
  min-height: min(760px, 86vh);
  padding: clamp(7rem, 12vw, 11rem) max(1.5rem, calc((100vw - 1180px) / 2));
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 84% 16%, rgba(198, 161, 91, 0.22), transparent 24rem),
    linear-gradient(130deg, #210b0e 0%, #4a1118 54%, #701d24 100%);
}

.timeline-detail-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to left, #000, transparent 78%);
}

.timeline-detail-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 110px;
  z-index: -1;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.22));
}

.timeline-detail-hero-decoration {
  position: absolute;
  right: -0.08em;
  bottom: -0.23em;
  z-index: -1;
  font-family: "Cinzel", serif;
  font-size: clamp(9rem, 28vw, 32rem);
  font-weight: 700;
  line-height: 0.8;
  letter-spacing: -0.08em;
  color: rgba(255, 255, 255, 0.035);
  user-select: none;
}

.timeline-detail-date {
  align-self: end;
  width: min(100%, 320px);
  padding: 2rem;
  border: 1px solid rgba(226, 201, 143, 0.42);
  background: rgba(23, 8, 11, 0.42);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(12px);
}

.timeline-detail-date span,
.timeline-detail-date small {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--timeline-gold-soft);
}

.timeline-detail-date strong {
  display: block;
  margin-block: 0.8rem 1.5rem;
  font-family: "Cinzel", serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
}

.timeline-detail-date small {
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.66);
}

.timeline-detail-lead {
  align-self: center;
  max-width: 780px;
}

.figure-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin-bottom: clamp(2rem, 5vw, 4rem);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.62);
}

.figure-breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.figure-breadcrumb a:hover,
.figure-breadcrumb a:focus-visible {
  color: #fff;
}

.timeline-detail-lead .eyebrow,
.timeline-state .eyebrow {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--timeline-gold-soft);
}

.timeline-detail-lead h1 {
  max-width: 15ch;
  margin: 0;
  font-family: "Cinzel", serif;
  font-size: clamp(3rem, 7vw, 7rem);
  font-weight: 600;
  line-height: 0.98;
  text-wrap: balance;
}

.figure-standfirst {
  max-width: 65ch;
  margin: 2rem 0 0;
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
}

.timeline-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.3rem;
}

.page-timeline-detail .button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0.8rem 1.25rem;
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.page-timeline-detail .button:hover {
  transform: translateY(-2px);
}

.page-timeline-detail .button-primary {
  color: #1c1308;
  background: var(--timeline-gold-soft);
  border-color: var(--timeline-gold-soft);
}

.page-timeline-detail .button-primary:hover,
.page-timeline-detail .button-primary:focus-visible {
  background: #f0dba8;
  border-color: #f0dba8;
}

.page-timeline-detail .button-ghost {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.34);
}

.page-timeline-detail .button-ghost:hover,
.page-timeline-detail .button-ghost:focus-visible {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.timeline-detail-intro {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: -44px;
  border: 1px solid var(--timeline-line);
  background: #fffaf1;
  box-shadow: 0 22px 70px rgba(67, 43, 26, 0.13);
}

.timeline-detail-intro > div {
  padding: 1.5rem 2rem;
}

.timeline-detail-intro > div + div {
  border-left: 1px solid var(--timeline-line);
}

.timeline-detail-intro span,
.timeline-detail-intro strong {
  display: block;
}

.timeline-detail-intro span {
  margin-bottom: 0.4rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--timeline-muted);
}

.timeline-detail-intro strong {
  font-family: "Cinzel", serif;
  font-size: 1rem;
}

.figure-article {
  display: grid;
  grid-template-columns: minmax(220px, 0.62fr) minmax(0, 1.55fr);
  gap: clamp(3rem, 8vw, 8rem);
  padding-block: clamp(5rem, 10vw, 10rem);
}

.figure-article-meta {
  align-self: start;
  position: sticky;
  top: 7rem;
  padding-top: 1.4rem;
  border-top: 2px solid var(--timeline-red);
}

.figure-article-meta .section-kicker {
  margin: 0 0 1rem;
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--timeline-red);
}

.figure-article-meta h2 {
  margin: 0 0 2rem;
  font-family: "Cinzel", serif;
  font-size: clamp(1.45rem, 2vw, 2.1rem);
  line-height: 1.25;
}

.figure-article-meta dl {
  margin: 0 0 2rem;
}

.figure-article-meta dl div {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--timeline-line);
}

.figure-article-meta dl div:last-child {
  border-bottom: 1px solid var(--timeline-line);
}

.figure-article-meta dt {
  color: var(--timeline-muted);
}

.figure-article-meta dd {
  margin: 0;
  font-weight: 700;
}

.page-timeline-detail .text-link {
  color: var(--timeline-red);
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}

.figure-article-copy {
  min-width: 0;
  font-family: "Inter", sans-serif;
  font-size: clamp(1.02rem, 1.25vw, 1.16rem);
  line-height: 1.9;
  color: #3d352d;
}

.figure-article-copy > :first-child {
  margin-top: 0;
}

.figure-article-copy h2,
.figure-article-copy h3 {
  font-family: "Cinzel", serif;
  color: var(--timeline-ink);
  text-wrap: balance;
}

.figure-article-copy h2 {
  margin: 3.5rem 0 1.2rem;
  font-size: clamp(1.8rem, 3.2vw, 3rem);
  line-height: 1.2;
}

.figure-article-copy h3 {
  margin: 2.8rem 0 1rem;
  font-size: clamp(1.35rem, 2.3vw, 2rem);
}

.figure-article-copy p {
  margin: 0 0 1.55rem;
}

.figure-article-copy > p:first-of-type::first-letter {
  float: left;
  margin: 0.08em 0.12em 0 0;
  font-family: "Cinzel", serif;
  font-size: 4.4em;
  font-weight: 600;
  line-height: 0.78;
  color: var(--timeline-red);
}

.figure-article-copy blockquote {
  margin: 2.6rem 0;
  padding: 1.5rem 0 1.5rem 1.6rem;
  border-left: 3px solid var(--timeline-gold);
  font-family: "Cinzel", serif;
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  line-height: 1.6;
  color: #4c3422;
}

.figure-article-copy blockquote p {
  margin: 0;
}

.figure-article-copy ul,
.figure-article-copy ol {
  margin: 1.5rem 0 2rem;
  padding-left: 1.5rem;
}

.figure-article-copy li {
  margin-bottom: 0.7rem;
  padding-left: 0.35rem;
}

.article-empty {
  padding: 2rem;
  border: 1px dashed var(--timeline-line);
  background: rgba(255, 255, 255, 0.45);
  color: var(--timeline-muted);
}

.figure-record-navigation {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--timeline-red-dark);
}

.record-link,
.record-link-placeholder {
  min-height: 230px;
}

.record-link {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 5rem);
  overflow: hidden;
  color: #fff;
  text-decoration: none;
  transition: background-color 180ms ease;
}

.record-link + .record-link,
.record-link-placeholder + .record-link,
.record-link + .record-link-placeholder {
  border-left: 1px solid rgba(255, 255, 255, 0.13);
}

.record-link::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(198, 161, 91, 0.2), transparent 55%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.record-link:hover,
.record-link:focus-visible {
  background: #5f1720;
}

.record-link:hover::before,
.record-link:focus-visible::before {
  opacity: 1;
}

.record-link > * {
  position: relative;
}

.record-link span,
.record-link small {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--timeline-gold-soft);
}

.record-link strong {
  display: block;
  max-width: 24ch;
  margin: 0.75rem 0;
  font-family: "Cinzel", serif;
  font-size: clamp(1.35rem, 2.5vw, 2.25rem);
  line-height: 1.2;
}

.record-link-next {
  text-align: right;
  align-items: flex-end;
}

.timeline-state {
  display: grid;
  place-content: center;
  min-height: 72vh;
  padding-block: 9rem 6rem;
  text-align: center;
}

.timeline-state h1 {
  margin: 0;
  font-family: "Cinzel", serif;
  font-size: clamp(2.5rem, 6vw, 5.5rem);
}

.timeline-state > p:not(.eyebrow) {
  max-width: 58ch;
  margin: 1.3rem auto 2rem;
  color: var(--timeline-muted);
  line-height: 1.8;
}

.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 80;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: #fff;
  background: var(--timeline-red-dark);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: 180ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  z-index: 120;
  max-width: min(90vw, 420px);
  padding: 0.8rem 1.1rem;
  color: #fff;
  background: #211a14;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.25);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 10px);
  transition: 180ms ease;
}

.page-toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.visible,
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .timeline-detail-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 8rem;
  }

  .timeline-detail-date {
    align-self: auto;
    order: 2;
  }

  .timeline-detail-lead {
    order: 1;
  }

  .timeline-detail-intro {
    margin-top: 0;
  }

  .figure-article {
    grid-template-columns: 1fr;
  }

  .figure-article-meta {
    position: static;
  }
}

@media (max-width: 680px) {
  .page-timeline-detail .content-shell {
    width: min(100% - 2rem, 1180px);
  }

  .timeline-detail-hero {
    padding-inline: 1rem;
  }

  .timeline-detail-lead h1 {
    font-size: clamp(2.65rem, 14vw, 4.8rem);
  }

  .timeline-detail-actions {
    display: grid;
  }

  .timeline-detail-actions .button {
    width: 100%;
  }

  .timeline-detail-intro {
    grid-template-columns: 1fr;
    width: calc(100% - 2rem);
  }

  .timeline-detail-intro > div + div {
    border-left: 0;
    border-top: 1px solid var(--timeline-line);
  }

  .figure-record-navigation {
    grid-template-columns: 1fr;
  }

  .record-link + .record-link,
  .record-link-placeholder + .record-link,
  .record-link + .record-link-placeholder {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.13);
  }

  .record-link-placeholder {
    display: none;
  }

  .record-link-next {
    text-align: left;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-timeline-detail *,
  .page-timeline-detail *::before,
  .page-timeline-detail *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}