.main-nav{align-items:center}.wgs-tools-menu{position:relative;font:inherit;color:var(--muted)}.wgs-tools-menu summary{cursor:pointer;padding:7px 0;list-style:none}.wgs-tools-menu summary::-webkit-details-marker{display:none}.wgs-tools-menu summary::after{content:" ▾";color:var(--cyan)}.wgs-tools-menu summary:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}.wgs-tools-submenu{position:absolute;top:100%;right:0;z-index:50;width:245px;max-width:calc(100vw - 40px);padding:10px 16px;border:1px solid var(--line);border-radius:10px;background:var(--bg);box-shadow:0 15px 40px #0004}.main-nav .wgs-tools-submenu a{display:block;padding:10px 0;white-space:normal}.wgs-tools-menu[open]{z-index:50}@media(max-width:600px){.wgs-tools-submenu{position:static;margin:5px 0;width:auto;max-width:100%}.wgs-tools-menu[open]{flex-basis:100%}.site-header{flex-wrap:wrap;padding-top:18px;padding-bottom:18px}.main-nav{gap:10px 16px}}
/* Shared sunset, dark Tools and reference pages. */
body:has(.reference-shell){color-scheme:dark;--bg:#050b14;--panel:#0b192b;--text:#fff6ed;--muted:#d1dce7;--cyan:#ffd0a6;--blue:#8bc5ff;--line:#3c5368;position:relative;isolation:isolate;background:#050b14;color:var(--text);min-height:100vh}
body:has(.reference-shell)::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(110deg,rgba(3,10,20,.704),rgba(5,14,26,.616)),url('/assets/mountain-sunset-1920.webp') center 60%/cover no-repeat}
.reference-shell .site-header{position:relative;z-index:5}.reference-shell .wgs-tools-submenu{background:#0b192b}.reference-shell .guide-card,.reference-shell .start-strip,.reference-shell .reading-note,.reference-shell .entry,.reference-shell .record,.reference-shell .toc{backdrop-filter:blur(4px)}
@media(max-width:900px){body:has(.reference-shell)::before{background-image:linear-gradient(110deg,rgba(3,10,20,.72),rgba(5,14,26,.656)),url('/assets/mountain-sunset-960.webp');background-position:center,48% center}}

body>header{position:relative;z-index:5}.reference-shell .entry{background:rgba(8,20,35,.94)}.reference-shell h1,.reference-shell h2,.reference-shell h3{color:var(--text)}.reference-shell h1 span{color:var(--cyan)}

/* Sunset palette: warm ivory text and peach-gold links on the navy overlay. */
.reference-shell a,.reference-shell .record a,.reference-shell .record h2{color:var(--cyan)}.reference-shell a:hover{color:#ffe8d2}.reference-shell .brand{color:var(--text)}.reference-shell .main-nav a{color:var(--muted)}.reference-shell .main-nav a:hover{color:var(--cyan)}.reference-shell .search-row button{background:var(--cyan);color:#172535}.reference-shell .mark{color:var(--cyan);border-color:#ffd0a680;background:#242b35}.reference-shell .eyebrow{color:var(--cyan)}