/* NAV V6 SUBPAGE SKIN: unifies deep-dive chrome (back link, section label, progress) with the clue-trail bar.
   Pure overlay: page JS keeps driving #progressFill width. Load last so it wins the cascade. */

/* Back link: left chip, V6 language */
.back-link{
  top:calc(8px + env(safe-area-inset-top,0px));left:12px;
  min-height:40px;padding:.5rem .9rem;border-radius:10px;
  background:rgba(8,8,14,.72);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.14);
  color:#e2e8f0;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.82rem;
  letter-spacing:.01em;text-transform:none;
  -webkit-tap-highlight-color:transparent;
}
.back-link:hover{border-color:rgba(232,196,125,.55);color:#fff;background:rgba(255,255,255,.08)}
.back-link svg{width:13px;height:13px}

/* Section label: right chip, same geometry as the back link for symmetry */
.subpage-section-label{
  top:calc(8px + env(safe-area-inset-top,0px));right:12px;
  min-height:40px;display:inline-flex;align-items:center;
  padding:.5rem .9rem;border-radius:10px;
  background:rgba(8,8,14,.72);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.14);
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.7rem;
  letter-spacing:.14em;text-transform:uppercase;color:#e2e8f0;
  max-width:44vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* Progress line removed: no scroll filament on any page */
.subpage-progress{display:none !important}
@media(prefers-reduced-motion:reduce){
  .back-link{transition:none}
}

body:has(.v4-wrap) .back-link,
body:has(.v4-wrap) .subpage-section-label{top:calc(64px + env(safe-area-inset-top,0px))}