/* KyanoLab shared shell styling — vendored identically into relocate-cy + terrain-preview.
   Canonical source: relocate-cy/kyanolab-shell.css (terrain-preview copy must stay byte-identical). */
:root {
  --kl-aqua: #3fb6a8; /* bridge accent — present in both rooms */
  --kl-dur: 0.18s;
}
:root[data-room="warm"] {
  --kl-nav-bg: rgba(251, 246, 236, 0.86);
  --kl-nav-fg: #0b2a4a;
  --kl-nav-line: rgba(11, 42, 74, 0.12);
}
:root[data-room="dark"] {
  --kl-nav-bg: rgba(6, 14, 26, 0.72);
  --kl-nav-fg: #eaf3f2;
  --kl-nav-line: rgba(255, 255, 255, 0.12);
}
/* sensible fallback if data-room is unset for any reason */
:root:not([data-room]) {
  --kl-nav-bg: rgba(251, 246, 236, 0.86);
  --kl-nav-fg: #0b2a4a;
  --kl-nav-line: rgba(11, 42, 74, 0.12);
}

/* Defensive resets — the shell is injected into arbitrary pages whose global
   `nav{}`/`header{}`/`footer{}`/`a{}` element rules must not leak into our chrome. */
.kl-nav,
.kl-nav *,
.kl-subfooter,
.kl-subfooter * {
  box-sizing: border-box;
}
.kl-nav .kl-groups {
  position: static;
  inset: auto;
  padding: 0;
  margin: 0 0 0 auto;
  background: none;
}

.kl-nav {
  position: sticky;
  top: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 22px;
  background: var(--kl-nav-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--kl-nav-line);
  color: var(--kl-nav-fg);
  font: 500 14px/1 "Jost", system-ui, sans-serif;
}
.kl-brand {
  font: 600 20px/1 "Cormorant Garamond", Georgia, serif;
  color: inherit;
  text-decoration: none;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.kl-groups {
  display: flex;
  gap: 26px;
  margin-left: auto;
  flex-wrap: wrap;
  align-items: center;
}
.kl-cluster {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.kl-cl-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  opacity: 0.55;
}
.kl-groups a {
  color: inherit;
  text-decoration: none;
  opacity: 0.82;
  white-space: nowrap;
  transition: opacity var(--kl-dur) ease, color var(--kl-dur) ease;
}
.kl-groups a:hover,
.kl-groups a:focus-visible {
  opacity: 1;
  color: var(--kl-aqua);
}
.kl-active {
  opacity: 1;
  border-bottom: 2px solid var(--kl-aqua);
  padding-bottom: 2px;
}
.kl-burger {
  display: none;
  margin-left: auto;
  background: none;
  border: 0;
  font-size: 24px;
  line-height: 1;
  color: inherit;
  cursor: pointer;
}

.kl-subfooter {
  background: var(--kl-nav-bg);
  border-top: 1px solid var(--kl-nav-line);
  color: var(--kl-nav-fg);
  padding: 34px 22px;
  text-align: left;
  font: 400 14px/1.5 "Jost", system-ui, sans-serif;
}
.kl-fwrap {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.kl-fcol h4 {
  font: 600 15px "Cormorant Garamond", Georgia, serif;
  margin: 0 0 10px;
}
.kl-fcol a {
  display: block;
  color: inherit;
  opacity: 0.78;
  text-decoration: none;
  padding: 3px 0;
  transition: opacity var(--kl-dur) ease, color var(--kl-dur) ease;
}
.kl-fcol a:hover,
.kl-fcol a:focus-visible {
  opacity: 1;
  color: var(--kl-aqua);
}
.kl-fbrand p {
  margin: 0;
  opacity: 0.7;
  max-width: 34ch;
}

@media (max-width: 760px) {
  .kl-burger {
    display: block;
  }
  .kl-groups {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    gap: 12px;
    margin-left: 0;
  }
  .kl-nav.kl-open .kl-groups {
    display: flex;
  }
  .kl-nav {
    flex-wrap: wrap;
  }
  .kl-cluster {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .kl-fwrap {
    grid-template-columns: 1fr;
  }
}
@media (prefers-reduced-motion: reduce) {
  .kl-groups a,
  .kl-fcol a {
    transition: none;
  }
}

/* The single door to the other room. Deliberately quieter than the primary cluster:
   it is a way out, not a competing menu (Ray 2026-07-26 — one product in the bar). */
.kl-nav .kl-door{display:inline-flex;align-items:center;gap:5px;margin-left:18px;
  padding:6px 13px;border-radius:100px;text-decoration:none;white-space:nowrap;
  font-size:12.5px;letter-spacing:.02em;
  border:1px solid var(--kl-nav-line);color:var(--kl-nav-fg);opacity:.72;
  transition:opacity .18s,border-color .18s,transform .18s}
.kl-nav .kl-door:hover{opacity:1;border-color:var(--kl-aqua)}
.kl-nav .kl-door i{transition:transform .18s;display:inline-block}
.kl-nav .kl-door:hover i{transform:translateX(2px)}
@media (max-width:900px){.kl-nav .kl-door{margin-left:0}}
@media (prefers-reduced-motion:reduce){.kl-nav .kl-door:hover i{transform:none}}