/* Shared navigation: DG identity, chapter links, and one clear action. */
.polished-nav.chapter-nav,.polished-nav.room-nav{position:fixed;z-index:120;top:18px;left:3vw;right:3vw;height:68px;width:auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 22px;background:rgba(13,16,14,.92);border:1px solid #ffffff20;border-radius:12px;box-shadow:0 10px 35px #0003,inset 0 1px #ffffff05;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);font:12px Inter,Arial,sans-serif;color:#eeeee9;letter-spacing:0}
.polished-nav .brand-link{display:flex;align-items:center;width:49px;padding:8px 0;justify-self:start}.polished-nav .brand-link img{display:block;width:100%;height:32px;object-fit:contain}.polished-nav .nav-links{display:flex;align-items:center;gap:5px;padding:4px;background:#ffffff04;border:1px solid #ffffff09;border-radius:7px}.polished-nav .nav-links a{position:relative;display:block;padding:10px 17px;color:#b9bdb7;text-decoration:none;border-radius:4px;font-size:11px;white-space:nowrap;transition:background .18s,color .18s}.polished-nav .nav-links a:hover,.polished-nav .nav-links a[aria-current]{color:#fff;background:#ffffff0e;text-decoration:none}.polished-nav .nav-links a[aria-current]::after{content:'';position:absolute;bottom:4px;left:calc(50% - 7px);width:14px;height:1px;background:#eeeee9}.polished-nav .nav-action,.polished-nav>a:last-child{justify-self:end;display:flex;align-items:center;justify-content:center;gap:16px;min-height:38px;padding:0 14px;border:1px solid #ffffff30;border-radius:5px;background:#eeeee9;color:#121512;text-decoration:none;font:11px Inter,Arial,sans-serif;white-space:nowrap;cursor:pointer;transition:background .18s}.polished-nav .nav-action:hover{background:#fff;color:#080909;text-decoration:none}.polished-nav .nav-action span{margin:0;font-size:15px}.polished-nav a:focus-visible,.polished-nav button:focus-visible{outline:2px solid #eeeee9;outline-offset:4px}.room-nav.polished-nav+main{padding-top:104px}
@media(max-width:700px){.polished-nav.chapter-nav,.polished-nav.room-nav{top:10px;left:12px;right:12px;height:60px;grid-template-columns:auto 1fr auto;padding:0 10px;gap:10px;border-radius:9px}.polished-nav .brand-link{width:34px}.polished-nav .brand-link img{height:28px}.polished-nav .nav-links{justify-self:center;gap:0;border:0;background:none;padding:0}.polished-nav .nav-links a,.polished-nav .nav-links a:first-child{display:block;padding:13px 7px;font-size:10px}.polished-nav .nav-action,.polished-nav>a:last-child{min-height:34px;padding:0 8px;font-size:9px;gap:5px}.polished-nav .nav-action span{font-size:12px;margin:0}.room-nav.polished-nav+main{padding-top:84px}}
@media(max-width:370px){.polished-nav.chapter-nav,.polished-nav.room-nav{gap:5px;padding:0 7px}.polished-nav .nav-links a{padding:13px 5px;font-size:9px}.polished-nav .brand-link{width:29px}}
@media(prefers-reduced-motion:reduce){.polished-nav a,.polished-nav button{transition:none}}
.polished-nav .nav-links a:first-child{display:block}