:root{color-scheme:light}[data-theme="dark"]{color-scheme:dark;--ink:#edf3ee;--muted:#9ba8a0;--paper:#101612;--card:#18211b;--green:#367c5c;--lime:#c2e178;--line:#2c3931}.theme-toggle{position:fixed;right:18px;bottom:18px;z-index:20;width:44px;height:44px;margin:0;padding:0;border:1px solid var(--line);border-radius:50%;background:var(--card);color:var(--ink);font-size:22px;line-height:1;box-shadow:0 6px 24px #0003;cursor:pointer}.theme-toggle:hover{transform:translateY(-1px)}[data-theme="dark"] input{background:#111914;color:var(--ink);border-color:var(--line)}[data-theme="dark"] .hero{background:#214c39}[data-theme="dark"] .simple-mark,[data-theme="dark"] .primary-link{background:#e5eee7;color:#152019}