:root{--canvas:#F1EFE9;--surface:#F7F5EF;--surface-raised:#F7F5EF;--ink:#2F3330;--muted:#686E68;--border:#D8D6CE;--accent:#5F7267;--accent-hover:#4B5F53;--soft-accent:#E2E8E2;--focus:#5F7267;--radius-sm:3px;--radius-md:7px;color-scheme:light}html[data-theme=dark]{--canvas:#242925;--surface:#2C322E;--surface-raised:#353C37;--ink:#2F3330;--muted:#686E68;--border:#D8D6CE;--accent:#5F7267;--accent-hover:#4B5F53;--soft-accent:#E2E8E2;--focus:#5F7267; color-scheme:dark}html[data-theme=dark] body{--canvas:#242925;--surface:#2C322E;--surface-raised:#353C37;--ink:#E4E1D8;--muted:#AAA99E;--border:#4B514A;--accent:#A4AFA0;--accent-hover:#BDC5B9;--soft-accent:#3D4940;--focus:#A4AFA0}*{box-sizing:border-box}.site-header{position:sticky;top:0;z-index:80;isolation:isolate;color:var(--ink);background:color-mix(in srgb,var(--surface) 96%,var(--accent));border-bottom:1px solid var(--border)}.site-header__inner{display:flex;position:relative;z-index:1;align-items:center;justify-content:space-between;gap:2rem;width:100%;min-height:5rem;padding-inline:1.25rem}.site-header__brand{flex:0 0 auto;color:var(--ink);font:1.2rem Georgia,"Times New Roman",serif;letter-spacing:.04em;text-decoration:none}.site-nav{display:block;min-width:0}.site-header nav{display:block;gap:normal;flex:none}.site-nav__list{display:flex;align-items:center;justify-content:flex-end;gap:clamp(.8rem,3vw,2rem);margin:0;padding:0;list-style:none}.site-nav__link{display:inline-flex;align-items:center;min-height:2.75rem;padding:.5rem .15rem;color:var(--ink);font-size:.9rem;line-height:1.2;text-decoration:none;white-space:nowrap}.site-nav__link:hover,.site-header__brand:hover{color:var(--accent-hover)}.core-theme-switcher{position:fixed;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:90}.core-theme-switcher__toggle{display:grid;width:48px;height:48px;place-items:center;border:1px solid var(--border);border-radius:50%;color:var(--ink);background:color-mix(in srgb,var(--surface-raised),transparent 8%);box-shadow:0 4px 14px rgb(0 0 0 / 14%);cursor:pointer;font-size:1.25rem}.core-theme-switcher__toggle:hover{border-color:var(--accent)}.core-theme-switcher__menu{display:grid;position:absolute;right:0;bottom:58px;gap:3px;min-width:76px;padding:5px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-raised);box-shadow:0 8px 24px rgb(0 0 0 / 18%)}.core-theme-switcher__menu[hidden]{display:none}.core-theme-switcher__menu button{border:0;border-radius:var(--radius-sm);min-height:40px;padding:8px 12px;color:var(--ink);background:transparent;cursor:pointer;font:inherit;text-align:left}.core-theme-switcher__menu button:hover,.core-theme-switcher__menu button.active{background:var(--soft-accent)}.skip-link{position:absolute;top:-100px;left:12px;z-index:100}.skip-link:focus{top:12px;background:var(--surface);padding:8px}@media(max-width:800px){.site-header__inner{min-height:4rem;padding-inline:1rem}.site-nav__list{gap:12px}.site-nav__link{font-size:.85rem}.site-header__brand{font-size:1.05rem}}