:root{color-scheme:dark;--header-bg:rgba(8,9,8,.88);--surface-glass:rgba(21,23,20,.76);--card-bg:rgba(255,255,255,.035);--card-hover:rgba(255,255,255,.055);--surface:#111613;--foreground:#f3f5ef;--copy:#c2cbc2;--subtle:#a7b2a8;--border:#3b453e;--tint:#202b25;--link:#c7dcab;--appearance-bg:#202b25;--appearance-ink:#f3f5ef;--appearance-border:#64746a;--appearance-filter:invert(1);}
:root[data-theme="light"]{color-scheme:light;--bg:#fff;--panel:#f3f6f3;--panel-soft:#e8eeea;--text:#18251f;--muted:#526357;--line:#cbd6ce;--accent:#386420;--accent-strong:#284f16;--warm:#866215;--blue:#275f9f;--header-bg:rgba(255,255,255,.96);--surface-glass:#f1f5f1;--card-bg:#fff;--card-hover:#edf3ed;--surface:#ffffff;--foreground:#18251f;--copy:#45574b;--subtle:#526658;--border:#cbd6ce;--tint:#edf3ef;--link:#365b27;--appearance-bg:#fff;--appearance-ink:#18251f;--appearance-border:#b7c7bc;--appearance-filter:none;}
:root[data-skin="news"][data-theme="light"]{--paper:#fff;--ink:#18221f;--muted:#59655f;--rule:#dce2dc;--green:#244d39;--soft:#f2f5f1;--body-copy:#49564d;--hover:#36704e;--focus:#1976be;--control:#627068;--control-hover:#eaf0e9;--button-ink:#fff;--science:#816221;--marketing:#875349;--tech:#3a617b;}
:root[data-skin="news"][data-theme="dark"]{--paper:#171b19;--ink:#edf1ed;--muted:#adb9b1;--rule:#414d45;--green:#a2d8b5;--soft:#232c26;--body-copy:#c6d0c9;--hover:#b7ff63;--focus:#85c7ff;--control:#bac8bf;--control-hover:#344b3c;--button-ink:#14241a;--science:#e6c576;--marketing:#e7afa0;--tech:#9ccae8;}
@media(prefers-color-scheme:light){:root:not([data-theme="dark"]){color-scheme:light;--bg:#fff;--panel:#f3f6f3;--panel-soft:#e8eeea;--text:#18251f;--muted:#526357;--line:#cbd6ce;--accent:#386420;--accent-strong:#284f16;--warm:#866215;--blue:#275f9f;--header-bg:rgba(255,255,255,.96);--surface-glass:#f1f5f1;--card-bg:#fff;--card-hover:#edf3ed;--surface:#ffffff;--foreground:#18251f;--copy:#45574b;--subtle:#526658;--border:#cbd6ce;--tint:#edf3ef;--link:#365b27;--appearance-bg:#fff;--appearance-ink:#18251f;--appearance-border:#b7c7bc;--appearance-filter:none;}:root[data-skin="news"]:not([data-theme="dark"]){--paper:#fff;--ink:#18221f;--muted:#59655f;--rule:#dce2dc;--green:#244d39;--soft:#f2f5f1;--body-copy:#49564d;--hover:#36704e;--focus:#1976be;--control:#627068;--control-hover:#eaf0e9;--button-ink:#fff;--science:#816221;--marketing:#875349;--tech:#3a617b;}}
html[data-skin="main"] .os-hero,html[data-skin="main"] .hero,html[data-skin="main"] .featured-project,html[data-skin="main"] .essay-feature{--text:#f8f3e8;--muted:#d6d8d0;--accent:#b7ff63;--panel:#151714;--surface-glass:rgba(21,23,20,.76);color:#f8f3e8}
html[data-skin="main"] .button-primary,html[data-skin="main"] .brand-mark{background:#b7ff63;color:#071006}
html[data-skin="main"] .button-outline{border-color:var(--text);color:var(--text)}
html[data-skin="main"] .hero-lede{color:var(--text)}
html[data-skin="main"] .layered-panel,html[data-skin="main"] .newsletter-panel{border-color:var(--line)}
html[data-skin="projects"] .project-copy,html[data-skin="book"] .prose{color:var(--foreground)}
html[data-skin="projects"] .intro-line em,html[data-skin="projects"] h1 span,html[data-skin="projects"] a:hover{color:var(--link)}
html[data-skin="projects"] [aria-current="page"]{color:var(--link)}
html[data-skin="projects"] .arrow,html[data-skin="projects"] .mobile-nav img,html[data-skin="book"] .mobile-nav summary img{filter:var(--appearance-filter)}
html[data-skin="book"] a:hover{color:var(--link)}
html[data-skin="book"] .primary:hover{color:#132014}
body{padding-bottom:76px}
.appearance{position:fixed;right:18px;bottom:max(18px,env(safe-area-inset-bottom));z-index:90;font:14px/1.5 system-ui;color:var(--appearance-ink)}
.appearance summary{display:grid;place-items:center;list-style:none;width:44px;height:44px;cursor:pointer;border:1px solid var(--appearance-border);border-radius:50%;background:var(--appearance-bg);box-shadow:0 2px 10px #0002}
.appearance summary::-webkit-details-marker{display:none}
.appearance summary img{display:block;width:22px;height:22px;filter:var(--appearance-filter)}
.appearance fieldset{position:absolute;bottom:54px;right:0;margin:0;min-width:176px;padding:14px;border:1px solid var(--appearance-border);border-radius:6px;background:var(--appearance-bg);box-shadow:0 4px 20px #0002}
.appearance legend{float:none;width:auto;font-weight:700;padding:0 4px}
.appearance label{display:flex;align-items:center;gap:10px;width:auto;min-height:40px;cursor:pointer;color:inherit;font:inherit}
.appearance input{appearance:auto;width:18px;height:18px;margin:0;padding:0;accent-color:#4c7835}
.appearance summary:focus-visible,.appearance input:focus-visible{outline:3px solid #6fa449;outline-offset:4px}
@media print{.appearance{display:none}body{padding-bottom:0}}