/* The local AI stack strip, shared by /vaporagent, /vapormemory and /vaporbuild.
   Each page keeps its own look by setting the --stk-* properties; the
   defaults suit a dark page. */
.stack-strip{--stk-bg:rgba(255,255,255,.04);--stk-card:rgba(255,255,255,.05);--stk-ink:inherit;--stk-muted:currentColor;--stk-line:rgba(255,255,255,.14);--stk-acc:currentColor;--stk-radius:10px;--stk-font:inherit;
  margin:0 auto;max-width:var(--stk-max,1160px);padding:18px 20px;border:1px solid var(--stk-line);border-radius:var(--stk-radius);background:var(--stk-bg);color:var(--stk-ink);font-family:var(--stk-font);box-sizing:border-box}
.stack-strip *{box-sizing:border-box}
.stack-strip .stk-intro{margin:0 0 14px;font-size:.95rem;line-height:1.55;color:var(--stk-ink)}
.stack-strip .stk-intro b{color:var(--stk-acc)}
.stack-strip ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;counter-reset:stk}
.stack-strip li{min-width:0}
.stack-strip a{display:grid;grid-template-columns:36px 1fr;gap:10px;align-items:center;height:100%;padding:10px 12px;border:1px solid var(--stk-line);border-radius:calc(var(--stk-radius) - 2px);background:var(--stk-card);color:var(--stk-ink);text-decoration:none;min-height:44px}
.stack-strip a:hover,.stack-strip a:focus-visible{border-color:var(--stk-acc)}
.stack-strip a[aria-current="page"]{border-color:var(--stk-acc);box-shadow:inset 0 0 0 1px var(--stk-acc)}
.stack-strip img{width:36px;height:36px;border-radius:8px}
.stack-strip b{display:block;font-size:.98rem}
.stack-strip small{display:block;font-size:.82rem;line-height:1.4;color:var(--stk-muted)}
.stack-strip .stk-here{font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--stk-acc);margin-left:6px;font-weight:700}
@media (max-width:760px){.stack-strip ol{grid-template-columns:1fr}}