:root {
  --archive-ink: #173f49;
  --archive-blue: #1f5d72;
  --archive-green: #39776a;
  --archive-lake: #a8d5cf;
  --archive-paper: #fffdf7;
  --archive-ivory: #f7f3e8;
  --archive-gold: #b49345;
  --archive-line: #9ab7aa;
  --archive-muted: #58716c;
  --archive-cinnabar: #a83b2d;
  --archive-radius: 7px;
  --archive-sans: "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif;
}

.project-archive-page {
  min-height: 100dvh;
  margin: 0;
  color: var(--archive-ink);
  background:
    linear-gradient(180deg, rgba(168, 213, 207, 0.22), transparent 310px),
    var(--archive-ivory);
  font-family: var(--archive-sans);
}

.project-archive-page button,
.project-archive-page input { font: inherit; }

.archive-shell {
  width: min(1120px, calc(100% - 40px));
  padding: 28px 0 90px;
}

.archive-status {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin: 0 4px 14px;
  padding: 9px 12px;
  border-left: 3px solid var(--archive-gold);
  color: var(--archive-muted);
  font-size: 12px;
}

.archive-status strong { color: var(--archive-green); }
.archive-status.error { border-color: var(--archive-cinnabar); }
.archive-status.error strong { color: var(--archive-cinnabar); }

.archive-main { display: grid; gap: 54px; }

.archive-poster {
  position: relative;
  isolation: isolate;
  min-height: 440px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  padding: clamp(30px, 5vw, 58px);
  border: 1px solid var(--archive-green);
  border-radius: var(--archive-radius);
  color: var(--archive-ink);
  background: var(--archive-lake) url("./assets/visual/littvia-landscape-hero.webp") center / cover no-repeat;
  box-shadow: 0 0 0 3px var(--archive-ivory), 0 0 0 4px var(--archive-gold);
}

.archive-poster::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(247, 243, 232, 0.94) 0%, rgba(247, 243, 232, 0.78) 52%, rgba(247, 243, 232, 0.22) 100%),
    linear-gradient(0deg, rgba(168, 213, 207, 0.36), transparent 48%);
  content: "";
}

.poster-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--archive-green);
  font-size: 13px;
  font-weight: 800;
}

.poster-meta span:first-child {
  padding: 5px 9px;
  border-left: 3px solid var(--archive-gold);
  background: rgba(255, 253, 247, 0.68);
}

.poster-meta span + span::before { margin-right: 12px; color: var(--archive-gold); content: "/"; }

.poster-title-block {
  width: min(800px, 85%);
  align-self: center;
  padding: 26px 0;
}

.poster-title-block > p:first-child {
  margin: 0 0 10px;
  color: var(--archive-muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.poster-title-block h1 {
  max-width: 18ch;
  margin: 0;
  color: var(--archive-blue);
  font-family: var(--archive-sans);
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 1.08;
  text-wrap: balance;
}

.poster-title-block .project-summary {
  max-width: 22ch;
  margin: 16px 0 0;
  color: var(--archive-green);
  font-size: clamp(15px, 1.8vw, 20px);
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.poster-foot {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
  padding-top: 16px;
  border-top: 1px solid rgba(57, 119, 106, 0.42);
}

.poster-foot > p { margin: 0; color: var(--archive-muted); font-size: 12px; font-weight: 700; }
.poster-foot .badge-row { justify-content: flex-end; }

.project-archive-page .status-chip {
  flex: 0 0 auto;
  width: auto;
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border: 1px solid var(--archive-line);
  border-radius: 4px;
  background: rgba(255, 253, 247, 0.76);
  color: var(--archive-green);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.25;
}

.project-archive-page .badge-row { display: flex; flex-wrap: wrap; gap: 6px; }
.project-archive-page .status-chip.member-view,
.project-archive-page .status-chip.lead { border-color: var(--archive-blue); color: var(--archive-blue); }
.project-archive-page .status-chip.publisher { border-color: var(--archive-gold); color: #765d21; }
.project-archive-page .status-chip.member { color: var(--archive-muted); }

.archive-section {
  scroll-margin-top: 20px;
  padding: 0 4px;
}

.archive-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--archive-line);
}

.archive-section-head h2 { margin: 0; color: var(--archive-blue); font-size: clamp(27px, 3vw, 38px); letter-spacing: -0.03em; }
.archive-section-head p { margin: 6px 0 0; color: var(--archive-muted); font-size: 12px; }

.member-tools { display: flex; align-items: center; gap: 10px; }
.member-tools[hidden] { display: none; }
.member-tools span { max-width: 210px; color: var(--archive-muted); font-size: 11px; }

.line-button,
.material-drawer button,
.material-drawer-toggle {
  border: 1px solid var(--archive-green);
  border-radius: 5px;
  background: var(--archive-paper);
  color: var(--archive-blue);
  font-weight: 800;
  cursor: pointer;
}

.line-button { min-height: 38px; padding: 8px 13px; }
.line-button:hover,
.line-button:focus-visible { border-color: var(--archive-gold); outline: 2px solid rgba(180, 147, 69, 0.24); outline-offset: 2px; }
.line-button:active,
.material-drawer button:active,
.material-drawer-toggle:active { transform: translateY(1px); }

.member-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px 14px;
}

.member-item {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 4px 14px 10px;
  border-left: 2px solid rgba(180, 147, 69, 0.72);
  border-bottom: 1px solid rgba(154, 183, 170, 0.58);
}

.member-avatar {
  position: relative;
  flex: 0 0 62px;
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--archive-green);
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(168, 213, 207, 0.82), rgba(255, 253, 247, 0.96));
  box-shadow: 0 0 0 3px var(--archive-ivory), 0 0 0 4px rgba(180, 147, 69, 0.62);
}

.member-avatar img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; object-fit: cover; }
.member-avatar-fallback { color: var(--archive-blue); font-size: 25px; font-weight: 900; }
.member-copy { min-width: 0; display: grid; gap: 9px; }
.member-copy h3 { margin: 0; overflow: hidden; color: var(--archive-ink); font-size: 17px; text-overflow: ellipsis; white-space: nowrap; }
.member-role-row { display: flex; flex-wrap: wrap; gap: 5px; }

.journey-feed { width: min(880px, 100%); }
.journey-feed > div { display: contents; }

.journey-item {
  position: relative;
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 26px;
  padding: 0 0 32px;
}

.journey-item::before {
  position: absolute;
  top: 5px;
  bottom: 0;
  left: 124px;
  width: 1px;
  background: var(--archive-line);
  content: "";
}

.journey-item::after {
  position: absolute;
  top: 5px;
  left: 120px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--archive-gold);
  border-radius: 50%;
  background: var(--archive-ivory);
  content: "";
}

.journey-item time { padding-top: 1px; color: var(--archive-muted); font-size: 11px; font-weight: 700; }
.journey-copy { min-width: 0; padding-left: 14px; }
.journey-type { color: var(--archive-green); font-size: 10px; font-weight: 900; letter-spacing: 0.09em; }
.journey-copy h3 { margin: 5px 0 8px; color: var(--archive-ink); font-size: 19px; line-height: 1.38; }
.journey-copy p { max-width: 68ch; margin: 0 0 10px; color: var(--archive-muted); font-size: 13px; line-height: 1.75; overflow-wrap: anywhere; }
.journey-copy .journey-people { color: var(--archive-green); font-size: 11px; }
.journey-copy .review-note { padding-left: 10px; border-left: 2px solid var(--archive-gold); color: #765d21; }

.empty-state {
  margin: 0;
  padding: 18px 0;
  color: var(--archive-muted);
  font-size: 13px;
}

.material-drawer-toggle {
  position: fixed;
  top: 42%;
  right: 0;
  z-index: 20;
  min-width: 48px;
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 13px 9px;
  border-right: 0;
  border-radius: 6px 0 0 6px;
  background: var(--archive-blue);
  color: var(--archive-paper);
  box-shadow: 0 8px 24px rgba(31, 93, 114, 0.18);
}

.material-drawer-toggle span { max-width: 1em; line-height: 1.2; }
.material-drawer-toggle b { min-width: 22px; padding: 2px 4px; border-radius: 4px; background: var(--archive-paper); color: var(--archive-blue); font-size: 10px; }

.material-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  width: min(440px, 92vw);
  overflow-y: auto;
  padding: 24px 26px 48px;
  border-left: 1px solid var(--archive-green);
  background: var(--archive-paper);
  box-shadow: -18px 0 48px rgba(23, 63, 73, 0.15);
  transform: translateX(105%);
  transition: transform 180ms ease;
}

.material-drawer.open { transform: translateX(0); }
.material-drawer > header { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--archive-line); }
.material-drawer > header div { display: grid; gap: 3px; }
.material-drawer > header strong { color: var(--archive-blue); font-size: 22px; }
.material-drawer > header span { color: var(--archive-muted); font-size: 11px; }
.material-drawer > header button { min-height: 34px; padding: 6px 10px; }
.material-drawer > section { margin-top: 28px; }
.material-drawer h2 { margin: 0 0 12px; color: var(--archive-green); font-size: 15px; }
.material-list { display: grid; gap: 10px; }

.material-item { padding: 14px 0 14px 12px; border-left: 2px solid var(--archive-gold); border-bottom: 1px solid rgba(154, 183, 170, 0.55); }
.material-item > div { display: grid; gap: 3px; }
.material-item h3 { margin: 0; color: var(--archive-ink); font-size: 14px; line-height: 1.5; }
.material-item > div span { color: var(--archive-muted); font-size: 10px; }
.material-item p { margin: 8px 0; color: var(--archive-muted); font-size: 12px; line-height: 1.65; }
.material-link { display: inline-block; margin-top: 9px; color: var(--archive-blue); font-size: 12px; font-weight: 900; text-underline-offset: 3px; }

.material-drawer-scrim {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: none;
  border: 0;
  background: rgba(23, 63, 73, 0.18);
}

.drawer-open .material-drawer-scrim { display: block; }

@media (max-width: 980px) and (min-width: 761px) {
  .member-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .archive-shell { padding-top: 14px; }
  .archive-status { align-items: flex-start; flex-direction: column; gap: 3px; }
  .archive-main { gap: 40px; }
  .archive-poster { min-height: 400px; padding: 24px 20px; background-image: url("./assets/visual/littvia-landscape-hero-960.webp"); background-position: 42% center; }
  .archive-poster::before { background: linear-gradient(90deg, rgba(247, 243, 232, 0.94), rgba(247, 243, 232, 0.64)); }
  .poster-meta { align-items: flex-start; flex-direction: column; gap: 5px; }
  .poster-meta span + span::before { display: none; }
  .poster-title-block { width: 100%; }
  .poster-title-block h1 { max-width: 12ch; font-size: clamp(32px, 9vw, 44px); }
  .poster-foot { align-items: flex-start; flex-direction: column; gap: 10px; }
  .poster-foot .badge-row { justify-content: flex-start; }
  .archive-section-head { align-items: flex-start; flex-direction: column; }
  .member-tools { width: 100%; align-items: flex-start; flex-direction: column; }
  .member-grid { grid-template-columns: 1fr; gap: 4px; }
  .member-item { padding-left: 10px; }
  .member-avatar { flex-basis: 62px; width: 62px; height: 62px; }
  .journey-item { grid-template-columns: 1fr; gap: 8px; padding-left: 20px; }
  .journey-item::before { top: 4px; left: 3px; }
  .journey-item::after { top: 4px; left: -1px; }
  .journey-copy { padding-left: 0; }
  .material-drawer-toggle { top: auto; right: 12px; bottom: 16px; min-width: auto; grid-template-columns: auto auto; padding: 10px 13px; border: 1px solid var(--archive-green); border-radius: 5px; }
  .material-drawer-toggle span { max-width: none; }
  .material-drawer { top: auto; left: 0; width: 100%; max-height: 78dvh; padding: 20px 18px 38px; border-top: 1px solid var(--archive-green); border-left: 0; transform: translateY(105%); }
  .material-drawer.open { transform: translateY(0); }
}

@media (max-width: 560px) {
  .project-archive-page.public-home .nav-pills { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  .material-drawer { transition: none; }
}