:root{--bg:#f7f6f2;--card:#fff;--ink:#141414;--muted:#66645e;--line:#e5e3dc;--soft:#efede6;--accent:#141414;--accent-ink:#fff;--good:#1f7a4d;--bad:#b42318;--warn:#8a5a00;--hl:#e8f5c8}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,sans-serif}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0;gap:12px}
.logo{font-weight:800;letter-spacing:-.02em;font-size:19px;text-decoration:none;display:flex;align-items:center;gap:8px}
.logo i{display:inline-block;width:22px;height:22px;border-radius:6px;background:var(--ink);position:relative}
.logo i:after{content:"";position:absolute;inset:5px 5px 9px 9px;border:2px solid var(--bg);border-radius:3px}
.nav .links{display:flex;gap:10px;align-items:center}
.btn,button{font:inherit;font-weight:650;border:0;border-radius:10px;padding:13px 20px;background:var(--accent);color:var(--accent-ink);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.2}
.btn.ghost,button.ghost{background:var(--soft);color:var(--ink)}
.btn.small,button.small{padding:8px 14px;font-size:14px}
.btn.link,button.link{background:none;color:var(--ink);padding:8px 6px;text-decoration:underline}
button:disabled{opacity:.45;cursor:not-allowed}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.muted{color:var(--muted)}
.err{color:var(--bad);font-size:14px;margin-top:10px}
.ok{color:var(--good);font-size:14px;margin-top:10px}
.hidden{display:none!important}
input[type=text],input[type=email],input[type=password],input[type=url]{width:100%;font:inherit;padding:13px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
input:focus{outline:2px solid var(--ink);outline-offset:-1px}
label.f{display:block;font-weight:600;font-size:14px;margin:14px 0 6px}
label.check{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:14px;margin-top:14px}
label.check input{margin-top:3px}
code{background:var(--soft);padding:1px 6px;border-radius:5px;font-size:.9em}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:3px 9px;border-radius:99px;background:var(--soft)}
.pill.good{background:#dcf2e4;color:var(--good)} .pill.bad{background:#fde4e1;color:var(--bad)} .pill.warn{background:#fbf0d6;color:var(--warn)}
footer{border-top:1px solid var(--line);margin-top:80px;padding:28px 0 40px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{margin-right:16px}
.prose{max-width:760px;padding:24px 0 40px}
.prose h1{font-size:34px;letter-spacing:-.02em} .prose h2{font-size:20px;margin-top:32px}
@media (max-width:600px){.nav .links .hide-sm{display:none}}
code{word-break:break-all}