.spatial-testbar > .spatial-fullscreen-link {
  grid-column: 1 / -1;
  min-height: 52px;
  border-color: var(--portal-accent);
  background: color-mix(in srgb, var(--portal-accent) 9%, var(--portal-panel-strong));
}

.v6 {
  position: fixed;
  inset: 0;
  z-index: 30;
  overflow: hidden;
  overflow: clip;
  background: var(--v6-bg);
  color: var(--v6-ink);
  isolation: isolate;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

.v6-ambient { position: absolute; inset: 0; z-index: -1; pointer-events: none; }

.v6-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(18px, 3vh, 30px) clamp(24px, 3.4vw, 64px);
}
.v6-header-left { display: grid; align-content: start; gap: clamp(17px, 2.4vh, 26px); }
.v6-back {
  width: max-content;
  padding: 7px 0;
  color: var(--v6-ink);
  font-size: .7rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--v6-line);
}
.v6-back:hover { border-color: var(--v6-ink); }
.v6-project { display: inline-grid; justify-items: start; width: max-content; gap: 4px; }
.v6-project small { width: max-content; color: var(--v6-muted); font-size: .64rem; font-weight: 800; letter-spacing: .18em; white-space: nowrap; }
.v6-project strong { width: max-content; max-width: none; font-size: clamp(2.3rem, 3.1vw, 3.6rem); font-weight: 630; line-height: 1.05; letter-spacing: -.035em; white-space: nowrap; transform-origin: left center; }
.v6-project span { color: var(--v6-muted); font-size: .72rem; }
.v6-header-right { display: flex; align-items: start; gap: clamp(18px, 2.5vw, 42px); }
.v6-style-switch { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--v6-line); border-radius: 100px; background: rgba(255,255,255,.4); }
.v6-style-switch button {
  min-width: 80px;
  padding: 8px 11px;
  border: 0;
  border-radius: 100px;
  background: transparent;
  color: var(--v6-muted);
  font-size: .67rem;
  font-weight: 750;
  cursor: pointer;
}
.v6-style-switch button[aria-pressed="true"] { background: var(--v6-card); color: var(--v6-card-ink); box-shadow: 0 3px 9px rgba(0,0,0,.1); }
.v6-brand {
  display: grid;
  place-items: center;
  width: clamp(98px, 7vw, 132px);
  height: clamp(118px, 8.2vw, 154px);
  margin: 14px 25px 0 0;
}
.v6-brand img { display: block; width: 100%; height: 100%; object-fit: contain; }

.v6-map {
  position: absolute;
  top: 17%;
  left: 0;
  right: 0;
  height: 61%;
  overflow: hidden;
  outline: none;
  perspective: 1200px;
}
.v6-map:focus-visible { outline: 2px solid var(--v6-accent); outline-offset: -3px; }
.v6-map-depth {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.v6-rail-art { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.v6-rail-art path { fill: none; vector-effect: non-scaling-stroke; }
.v6-rail-shadow { stroke: var(--v6-line); stroke-width: 6; opacity: .32; filter: blur(6px); }
.v6-rail-main { stroke: var(--v6-line); stroke-width: 1.15; }
.v6-moving-glow { filter: drop-shadow(0 0 4px var(--v6-led)); }
.v6-moving-glow path { fill: none; stroke: var(--v6-led); stroke-width: 1.55; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.v6-origin {
  position: absolute;
  left: 2.8%;
  bottom: 9%;
  color: var(--v6-muted);
  font-size: .56rem;
  font-weight: 780;
  letter-spacing: .15em;
}
.v6-tile {
  position: absolute;
  left: var(--v6-x, -20%);
  top: var(--v6-y, 90%);
  z-index: 2;
  display: grid;
  align-content: space-between;
  width: clamp(190px, 21vw, 280px);
  height: 140px;
  padding: 17px 19px;
  transform: translate(-50%, -50%) scale(var(--v6-scale, .4)) rotateY(var(--v6-tilt, 0deg));
  opacity: var(--v6-opacity, 0);
  border: 1px solid var(--v6-card-line);
  border-radius: var(--v6-radius);
  background: var(--v6-card);
  color: var(--v6-card-ink);
  box-shadow: 0 2px 2px rgba(14,22,20,.16), 0 9px 11px rgba(14,22,20,.19), inset 0 1px rgba(255,255,255,.18);
  text-align: left;
  cursor: pointer;
  backface-visibility: hidden;
  transition: left .72s cubic-bezier(.2,.72,.2,1), top .72s cubic-bezier(.2,.72,.2,1), transform .72s cubic-bezier(.2,.72,.2,1), opacity .55s ease, box-shadow .25s ease;
}
.v6-tile[data-selected="true"] { border-color: var(--v6-card-line); box-shadow: 0 3px 3px rgba(14,22,20,.18), 0 13px 16px rgba(14,22,20,.24), inset 0 1px rgba(255,255,255,.24); }
.v6-tile:hover,
.v6-tile:focus-visible { outline: 2px solid var(--v6-accent); outline-offset: 3px; }
.v6-tile.is-optional { border-style: dashed; }
.v6-tile-top { display: flex; justify-content: space-between; align-items: start; }
.v6-tile-top small { color: var(--v6-accent); font-size: .95rem; font-weight: 800; letter-spacing: .11em; }
.v6-tile-top i { font-size: .83rem; font-style: normal; }
.v6-tile strong { max-width: 100%; font-size: 1.1rem; font-weight: 690; line-height: 1.15; letter-spacing: -.03em; text-wrap: balance; }
.v6-tile em { color: color-mix(in srgb, var(--v6-card-ink) 55%, transparent); font-size: .53rem; font-weight: 770; font-style: normal; letter-spacing: .13em; }
.v6-current {
  position: absolute;
  z-index: 4;
  left: 0;
  right: 0;
  bottom: 8.3%;
  min-height: 40px;
  pointer-events: none;
}
.v6-current-copy { position: absolute; left: 58%; bottom: 100px; display: grid; width: min(560px, 43vw); gap: 5px; text-align: center; transform: translateX(-50%); }
.v6-current-copy small { color: var(--v6-accent); font-size: .63rem; font-weight: 840; letter-spacing: .18em; }
.v6-current-copy h1 { margin: 0; color: var(--v6-ink); font-size: clamp(1.4rem, 2.3vw, 2.35rem); font-weight: 650; line-height: 1.1; letter-spacing: -.045em; }
.v6-current-copy p { margin: 0; color: var(--v6-muted); font-size: clamp(.72rem, .9vw, .9rem); }
.v6-controls { position: absolute; right: clamp(24px, 7vw, 120px); bottom: 0; display: flex; align-items: center; gap: 8px; pointer-events: auto; }
.v6-controls button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--v6-line);
  border-radius: var(--v6-radius);
  background: var(--v6-card);
  color: var(--v6-card-ink);
  font-size: 1.1rem;
}
.v6-controls button:hover { border-color: var(--v6-accent); }
.v6-controls button:disabled { opacity: .28; cursor: default; }
.v6-chevron { display: block; width: 10px; height: 10px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateX(-1px) rotate(-45deg); }
.v6-chevron.is-left { transform: translateX(1px) rotate(135deg); }
.v6-controls > span { min-width: 55px; text-align: center; font-size: .7rem; font-weight: 780; font-variant-numeric: tabular-nums; }
.v6-controls small { margin-left: 12px; color: var(--v6-muted); font-size: .64rem; }
.v6-footer {
  position: absolute;
  bottom: 3.4%;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 18px;
  width: min(65vw, 950px);
  transform: translateX(-50%);
}
.v6-footer > span { flex: 0 0 auto; color: var(--v6-muted); font-size: .53rem; font-weight: 810; letter-spacing: .15em; }
.v6-progress { display: flex; flex: 1; gap: 4px; width: 50vw; }
.v6-progress button {
  flex: 1;
  min-width: 0;
  height: 5px;
  padding: 0;
  border: 0;
  border-radius: 3px;
  background: var(--v6-line);
  cursor: pointer;
  transition: background .3s ease, box-shadow .3s ease, transform .3s ease;
}
.v6-progress button[data-past="true"] { background: var(--v6-accent); opacity: .55; }
.v6-progress button[data-selected="true"] { transform: scaleY(1.6); background: var(--v6-accent); opacity: 1; }
.v6-progress button[data-current="true"] { outline: 1px solid var(--v6-accent); outline-offset: 3px; }

.v6-detail {
  position: absolute;
  z-index: 20;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(52px, 1fr) minmax(0, 920px) minmax(52px, 1fr);
  align-items: center;
  gap: 20px;
  padding: 70px 3.5vw 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s ease;
}
.v6[data-depth="detail"] .v6-detail { opacity: 1; pointer-events: auto; }
.v6[data-depth="detail"] .v6-map,
.v6[data-depth="detail"] .v6-current,
.v6[data-depth="detail"] .v6-footer { filter: blur(7px); opacity: .34; pointer-events: none; }
.v6-detail-backdrop { position: absolute; inset: 0; border: 0; background: rgba(16,23,20,.4); cursor: zoom-out; }
.v6-detail-home,
.v6-detail-arrow,
.v6-detail-sheet { position: relative; z-index: 1; }
.v6-detail-home {
  position: absolute;
  top: 25px;
  left: clamp(25px, 3.5vw, 65px);
  padding: 9px 14px;
  border: 1px solid rgba(255,255,255,.52);
  border-radius: 20px;
  background: rgba(23,38,32,.85);
  color: white;
  font-size: .72rem;
}
.v6-detail-arrow {
  display: grid;
  place-items: center;
  justify-self: center;
  width: 56px;
  height: 78px;
  border: 1px solid rgba(255,255,255,.54);
  border-radius: 12px;
  background: rgba(23,38,32,.84);
  color: white;
  font-size: 1.5rem;
}
.v6-detail-arrow:disabled { opacity: .23; cursor: default; }
.v6-detail-sheet {
  align-self: stretch;
  min-height: 0;
  overflow-y: auto;
  padding: clamp(20px, 3vw, 36px);
  border: 1px solid rgba(237,251,244,.33);
  border-radius: 20px;
  background: rgba(26,43,37,.93);
  color: white;
  box-shadow: 0 30px 80px rgba(0,0,0,.34);
  backdrop-filter: blur(22px);
  transform: scale(.94) translateY(18px);
  transition: transform .55s cubic-bezier(.2,.72,.2,1);
}
.v6[data-depth="detail"] .v6-detail-sheet { transform: scale(1) translateY(0); }
.v6-detail-sheet > small { display: block; margin-bottom: 15px; color: #b9d3c9; font-size: .62rem; font-weight: 800; letter-spacing: .15em; }

@media (max-width: 900px) {
  .v6-header { padding: 18px 22px; }
  .v6-header-right { gap: 11px; }
  .v6-style-switch button { min-width: 0; padding: 7px 9px; font-size: .6rem; }
  .v6-brand { width: 86px; height: 102px; margin: 6px 7px 0 0; }
  .v6-map { top: 20%; height: 57%; }
  .v6-tile { width: 205px; height: 119px; padding: 13px; }
  .v6-tile strong { font-size: .95rem; }
  .v6-current { bottom: 10%; left: 22px; right: 22px; }
  .v6-current-copy { left: 50%; bottom: 75px; width: min(420px, 58vw); }
  .v6-controls { right: 0; }
  .v6-controls small { display: none; }
  .v6-footer { width: calc(100% - 44px); }
  .v6-detail { grid-template-columns: 40px minmax(0, 1fr) 40px; gap: 6px; padding: 78px 8px 20px; }
  .v6-detail-arrow { width: 36px; height: 58px; }
}
@media (max-width: 620px) {
  .v6-project span, .v6-footer > span, .v6-origin { display: none; }
  .v6-header { align-items: start; }
  .v6-header-right { flex-direction: column-reverse; align-items: end; }
  .v6-style-switch { position: fixed; left: 16px; right: 16px; top: 155px; justify-content: center; }
  .v6-brand { width: 60px; height: 73px; margin: 0; }
  .v6-project small { font-size: .48rem; }
  .v6-map { top: 25%; height: 51%; }
  .v6-tile { width: 178px; height: 112px; }
  .v6-current { bottom: 8.5%; }
  .v6-current-copy { left: 50%; bottom: 60px; width: calc(100vw - 34px); }
  .v6-current-copy h1 { font-size: 1.35rem; }
  .v6-controls button { width: 32px; height: 32px; }
  .v6-footer { bottom: 2.4%; }
  .v6-detail { grid-template-columns: 30px minmax(0, 1fr) 30px; padding: 78px 3px 12px; }
  .v6-detail-arrow { width: 28px; height: 48px; }
  .v6-detail-sheet { padding: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .v6-tile, .v6-detail, .v6-detail-sheet { transition: none; }
}