/* Component colors deliberately avoid page-owned --primary-light. */
#kx-mobile-toc-button {
  display:none;
  position:fixed;
  z-index:1010;
  left:calc(12px + env(safe-area-inset-left, 0px));
  bottom:var(--kx-toc-bottom, 68px);
  align-items:center;
  justify-content:center;
  gap:6px;
  min-width:80px;
  min-height:44px;
  padding:10px 14px;
  border:1px solid var(--border, #dce3ed);
  border-radius:24px;
  background:var(--bg-hover, #f1f5f9);
  color:var(--primary, #2563eb);
  box-shadow:0 2px 10px rgb(15 23 42 / 8%);
  font-family:inherit;
  font-size:13px;
  font-weight:600;
  line-height:1.4;
  cursor:pointer;
  touch-action:manipulation;
}
body.kx-mobile-toc-ready #kx-mobile-toc-button:not([hidden]){display:flex}
body.kx-mobile-toc-ready.kx-nav-open #kx-mobile-toc-button{visibility:hidden}
#kx-mobile-toc-button span{font-size:13px;font-weight:600;line-height:1.4}
body.kx-mobile-toc-ready .toc-btn,
body.kx-mobile-toc-ready .toc-overlay{display:none!important}
body.kx-mobile-toc-ready .x-fab,
body.kx-mobile-toc-ready .discord-fab,
body.kx-mobile-toc-ready .kx-top-btn{bottom:calc(var(--kx-toc-bottom) + 56px)!important}
body.kx-mobile-toc-ready.has-matome-bar #kx-mobile-toc-button{bottom:calc(var(--kx-toc-bottom) + 70px)}
body.kx-mobile-toc-ready.has-matome-bar .x-fab,
body.kx-mobile-toc-ready.has-matome-bar .discord-fab,
body.kx-mobile-toc-ready.has-matome-bar .kx-top-btn{bottom:calc(var(--kx-toc-bottom) + 126px)!important}
#kx-mobile-toc {
  position:fixed;inset:0 auto 0 0;margin:0;
  width:min(320px,86vw);max-width:none;height:100dvh;max-height:none;
  padding:0;border:0;border-right:1px solid var(--border, #dce3ed);
  border-radius:0 16px 16px 0;
  background:var(--bg-card, #fff);color:var(--text-primary, #172033);
  box-shadow:8px 0 32px rgb(15 23 42 / 15%);overflow:hidden;
}
#kx-mobile-toc[open]{display:flex;flex-direction:column;animation:kx-toc-enter .18s ease-out}
#kx-mobile-toc::backdrop{background:rgb(15 23 42 / 42%)}
#kx-mobile-toc .kx-mobile-toc-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(12px + env(safe-area-inset-top)) 16px 12px 20px;border-bottom:1px solid var(--border);flex-shrink:0}
#kx-mobile-toc-title{font-size:16px;line-height:1.5}
#kx-mobile-toc button{display:grid;place-items:center;min-width:44px;min-height:44px;padding:0;border:1px solid var(--border);border-radius:8px;background:var(--bg-hover);color:var(--text-primary);cursor:pointer}
#kx-mobile-toc nav{overflow:auto;overscroll-behavior:contain;min-height:0;padding:12px 12px calc(20px + env(safe-area-inset-bottom));scrollbar-width:thin;scrollbar-color:var(--text-muted) transparent}
#kx-mobile-toc nav a{display:flex;align-items:center;min-height:44px;box-sizing:border-box;padding:10px 12px;border-left:3px solid transparent;border-radius:7px;color:var(--text-primary);font-size:14px;line-height:1.6;text-decoration:none;overflow-wrap:anywhere}
#kx-mobile-toc nav a.kx-mobile-toc-sub{padding-left:24px;font-size:13px}
#kx-mobile-toc nav a:hover,#kx-mobile-toc nav a:active,#kx-mobile-toc-button:active{background:var(--bg-card);border-color:var(--primary)}
#kx-mobile-toc nav a[aria-current]{background:var(--bg-hover);border-left-color:var(--primary);color:var(--primary);font-weight:600}
#kx-mobile-toc nav a[aria-disabled=true]{opacity:.45;cursor:default}
#kx-mobile-toc :focus-visible,#kx-mobile-toc-button:focus-visible{outline:2px solid var(--primary);outline-offset:-3px}
@keyframes kx-toc-enter{from{transform:translateX(-24px);opacity:0}to{transform:translateX(0);opacity:1}}
@media(prefers-reduced-motion:reduce){#kx-mobile-toc[open]{animation:none}}

#kx-mobile-toc .kx-mobile-toc-group{margin:20px 10px 6px;color:var(--text-muted,#64748b);font-size:12px;font-weight:600;letter-spacing:.04em}
#kx-mobile-toc .kx-mobile-toc-group:first-child{margin-top:4px}