:root{--bg:#fbfbf7;--panel:#f2f2ec;--ink:#11110f;--muted:#66665e;--line:#ccccc3;
--line-strong:#8e8e85;--accent:#8a1f1f;
--mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
--sans:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{color-scheme:light}
body{margin:0;color:var(--ink);font:17px/1.6 var(--sans);
background:linear-gradient(rgba(17,17,15,.025) 1px,transparent 1px),
linear-gradient(90deg,rgba(17,17,15,.018) 1px,transparent 1px),var(--bg);background-size:36px 36px}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.2em}a:hover{text-decoration-style:double}
::selection{background:var(--ink);color:var(--bg)}
main{max-width:790px;margin:0 auto;padding:clamp(28px,5vw,56px) clamp(18px,3vw,38px) 2rem}
h1{margin:0 0 1.5rem;font-size:clamp(2.4rem,7vw,4.2rem);line-height:.95;letter-spacing:-.05em;font-weight:720}
h1 a{text-decoration:none}h1 a:hover{color:var(--accent)}
h2{margin:2.5rem 0 .75rem;font-size:1.5rem;line-height:1.2;letter-spacing:-.03em;font-weight:680}
.lead{font-size:1.15rem}ul{padding-left:1.2rem}li{margin:.4rem 0}
form{display:grid;gap:14px;padding:22px;border:1px solid var(--line-strong);background:var(--panel)}
label{font-family:var(--mono);font-size:.76rem;text-transform:uppercase;letter-spacing:.05em}
label.check{font-family:var(--sans);font-size:.95rem;text-transform:none;letter-spacing:0;color:var(--muted)}
input[type=file]{width:100%;padding:12px 13px;border:1px dashed var(--line-strong);background:var(--bg);color:var(--ink);font:inherit}
input[type=checkbox]{accent-color:var(--accent)}
input:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.buttons{display:flex;flex-wrap:wrap;gap:10px}
button{padding:13px 16px;border:1px solid var(--ink);border-radius:0;background:var(--ink);color:var(--bg);
font-family:var(--mono);font-size:.8rem;cursor:pointer}
button:hover{background:var(--accent);border-color:var(--accent);color:#fff}
button.secondary{background:transparent;color:var(--ink)}
pre{white-space:pre-wrap;word-break:break-word;font:.85rem/1.5 var(--mono);background:var(--panel);border:1px solid var(--line);padding:1rem}
.error{padding:1rem;border-left:3px solid var(--accent);background:var(--panel)}
.bar{max-width:790px;margin:0 auto;padding:16px clamp(18px,3vw,38px);display:flex;
justify-content:space-between;align-items:center;gap:20px;font-family:var(--mono)}
.site-header{background:rgba(251,251,247,.96);border-bottom:1px solid var(--line)}
.brand{text-decoration:none;font-size:1.05rem;letter-spacing:.035em}
nav a{color:var(--muted);text-decoration:none;font-size:.78rem}nav a:hover{color:var(--ink)}
nav a::before{content:"/";color:var(--line-strong);margin-right:2px}
.site-footer{color:var(--muted);font-size:.72rem}
.footer-inner{align-items:flex-end;padding-block:36px 42px}
.footer-name{color:var(--ink)}.footer-right{text-align:right}