.archive-app {
  --archive-black: #0a0a0a;
  --archive-paper: #faf9f7;
  --archive-paper-muted: #d8d4cc;
  --archive-line: #34312d;
  min-height: 100vh;
  color: var(--ink, #faf9f7);
  background: var(--archive-black);
}

.archive-shell {
  min-width: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.archive-main {
  width: 100%;
  min-width: 0;
  flex: 1;
}

.archive-intro {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 28px max(clamp(20px, 4vw, 64px), calc(50vw - 1000px));
  color: #0a0a0a;
  background: var(--archive-paper);
  text-align: center;
}

.archive-intro > * { min-width: 0; }

.archive-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .1em;
}

.archive-intro h1 {
  margin: 0;
  color: #0a0a0a;
  font-size: clamp(28px, 3.3vw, 46px);
  line-height: 1;
  letter-spacing: -.03em;
  text-transform: uppercase;
}

.archive-scrubber {
  position: sticky;
  top: var(--app-header-height);
  z-index: 30;
  min-width: 0;
  border-top: 1px solid var(--archive-line);
  border-bottom: 1px solid var(--archive-line);
  background: var(--archive-black);
}

.timeline-heading {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  width: min(1700px, 100%);
  margin: 0 auto;
  padding: 12px clamp(20px, 3vw, 52px) 4px;
  color: var(--muted, #aaa59c);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.timeline-heading span:last-child { text-align: right; }

.timeline-heading strong {
  color: var(--archive-paper-muted);
  font-size: 12px;
}

.timeline {
  display: flex;
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: 0 max(clamp(8px, 3vw, 52px), calc(50vw - 850px));
  scroll-padding-inline: clamp(8px, 3vw, 52px);
  scroll-snap-type: inline proximity;
  scrollbar-color: var(--accent) var(--archive-black);
  scrollbar-width: thin;
}

.timeline button {
  position: relative;
  min-width: 116px;
  min-height: 82px;
  flex: 1 0 116px;
  padding: 12px 12px 14px;
  border: 0;
  border-bottom: 4px solid transparent;
  border-radius: var(--control-radius);
  color: #8f8a82;
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
  scroll-snap-align: center;
}

.timeline button + button { border-left: 1px solid var(--archive-line); }
.timeline button span,
.timeline button small { display: block; }

.timeline button span {
  color: inherit;
  font-family: var(--font-display, sans-serif);
  font-size: clamp(22px, 2vw, 30px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
}

.timeline button small {
  margin-top: 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.timeline button:hover { color: var(--archive-paper); }

.timeline button[aria-selected="true"] {
  border-bottom-color: var(--accent);
  color: var(--archive-paper);
}

.timeline button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -4px;
}

.timeline-select[hidden] { display: none; }

.archive-noscript {
  padding: 24px clamp(20px, 4vw, 64px);
  color: #0a0a0a;
  background: var(--archive-paper);
}

.archive-noscript p { margin: 0 0 12px; font-weight: 700; }
.archive-noscript ol { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 0; padding-left: 20px; }
.archive-noscript a { min-height: 44px; display: inline-flex; align-items: center; color: #0a0a0a; text-underline-offset: 4px; }

.selection-status {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.viewer-panel {
  width: calc(100% - 32px);
  max-width: none;
  margin-inline: auto;
}

.viewer-panel {
  min-width: 0;
  overflow: hidden;
  scroll-margin-top: calc(var(--app-header-height) + 130px);
  border: 1px solid #4a4640;
  background: #050505;
}

.viewer-toolbar {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 12px 0 16px;
  border-bottom: 1px solid var(--archive-line);
  background: #121212;
}

.viewer-toolbar > div {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.viewer-toolbar h2 { margin: 0; font-size: 14px; letter-spacing: .02em; }
.viewer-light { width: 7px; height: 7px; background: var(--accent); }
.viewer-loading { color: #b8b3aa; font-size: 12px; }
.viewer-loading[hidden] { display: none; }

.viewer-toolbar button,
.viewer-toolbar a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 0;
  border-bottom: 1px solid #65615a;
  border-radius: var(--control-radius);
  color: var(--archive-paper);
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .05em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
}

.viewer-toolbar button:hover,
.viewer-toolbar a:hover { border-color: var(--accent); color: var(--accent); }

.viewer-frame-viewport {
  position: relative;
  width: 100%;
  height: calc(100svh - var(--app-header-height) - 112px);
  min-height: 760px;
  overflow: hidden;
  background: #fff;
}

#site-frame {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  background: #fff;
  transform-origin: top left;
}

.viewer-frame-viewport[data-embedded-scaled="true"] #site-frame {
  width: var(--archive-frame-logical-width);
  height: var(--archive-frame-logical-height);
  transform: scale(var(--archive-frame-scale));
}

.viewer-panel:fullscreen { display: flex; flex-direction: column; background: #050505; }
.viewer-panel:fullscreen .viewer-frame-viewport { height: auto; min-height: 0; flex: 1; }

.archive-footer {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px clamp(20px, 3vw, 52px);
  border-top: 1px solid var(--archive-line);
  color: #aaa59c;
  background: var(--archive-black);
  font-size: 12px;
}

.archive-footer p { margin: 0; }

@media (max-width: 920px) {
  .timeline button { min-width: 108px; flex-basis: 108px; }
}

@media (max-width: 620px) {
  .archive-intro { padding-block: 20px; }
  .archive-intro h1 { font-size: clamp(30px, 10vw, 42px); }
  .timeline-heading { grid-template-columns: 1fr; padding-top: 10px; text-align: left; }
  .timeline-heading span { display: none; }
  .timeline-heading strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .timeline button { min-width: 100px; min-height: 72px; flex-basis: 100px; padding-inline: 10px; }
  .timeline button span { font-size: 22px; }
  .viewer-panel {
    width: 100%;
    border-inline: 0;
  }
  .viewer-toolbar { align-items: stretch; flex-direction: column; padding: 10px 12px; }
  .viewer-toolbar > div { width: 100%; }
  .viewer-toolbar > div:first-child { flex-wrap: wrap; }
  .viewer-toolbar > div:last-child { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .viewer-toolbar button,
  .viewer-toolbar a { min-height: 44px; justify-content: center; padding: 0 8px; }
  .viewer-loading { width: 100%; margin-left: 17px; }
  .viewer-frame-viewport {
    height: calc(100svh - var(--app-header-height) - 220px);
    min-height: 560px;
  }
  .archive-footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}