:root {
  --bg: #0f1216; --panel: #171b21; --line: #2a313b; --text: #e6e9ee; --muted: #9aa4b2;
  --accent: #f0a23b; --accent-ink: #1a1206; --ok: #6fcf97; --err: #ff7a7a;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f5f6f8; --panel: #ffffff; --line: #d8dde4; --text: #161a20; --muted: #5b6573;
          --accent: #c4741a; --accent-ink: #fff; --ok: #1f8a4c; --err: #c22f2f; color-scheme: light; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text);
       font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
header.top { display: flex; align-items: center; justify-content: space-between; gap: 12px;
             max-width: 760px; margin: 0 auto; padding: 16px; border-bottom: 1px solid var(--line); }
header.top a.brand { color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .02em; }
h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); line-height: 1.15; margin: .2em 0 .4em; }
h2 { font-size: 1.25rem; margin: 2em 0 .6em; }
p.lead { color: var(--muted); font-size: 1.1rem; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
label { display: block; font-weight: 600; margin: 12px 0 6px; }
input[type=text] { width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line);
                   background: var(--bg); color: var(--text); font: inherit; }
input.key { font-family: ui-monospace, "Cascadia Mono", Menlo, monospace; letter-spacing: .04em; }
button, a.btn { display: inline-block; margin-top: 16px; padding: 10px 18px; border: 0; border-radius: 8px;
                background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 700;
                cursor: pointer; text-decoration: none; }
button.secondary, a.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
button:disabled { opacity: .6; cursor: wait; }
.msg { margin-top: 12px; min-height: 1.5em; }
.msg.err { color: var(--err); } .msg.ok { color: var(--ok); }
.muted { color: var(--muted); }
.hidden { display: none !important; }
ul.features { padding-left: 1.2em; } ul.features li { margin: .3em 0; }
.release { margin-top: 16px; }
.release .head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 12px; }
.release .head h3 { margin: 0; font-size: 1.15rem; }
.tag { font-size: .8rem; padding: 1px 8px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted); }
.files { display: grid; gap: 12px; margin-top: 12px; }
.file { border-top: 1px solid var(--line); padding-top: 12px; }
.file .row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; }
.file a.btn { margin-top: 0; }
code.sha { display: block; margin-top: 6px; font: 12px/1.4 ui-monospace, Menlo, monospace; color: var(--muted);
           word-break: break-all; }
.shot { display: block; margin-top: 16px; }
.shot img { display: block; width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--line); }
.release h4 { margin: 20px 0 4px; font-size: 1rem; }
ul.assets { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 10px; }
ul.assets li { border-top: 1px solid var(--line); padding-top: 8px; font-size: .95rem; }
ul.assets .row { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; }
ul.assets a { color: var(--text); word-break: break-all; }
.changelog { margin-top: 16px; padding-top: 4px; border-top: 1px solid var(--line); overflow-wrap: anywhere; }
.md h1, .md h2, .md h3, .md h4 { margin: 1.2em 0 .4em; line-height: 1.25; }
.md h1 { font-size: 1.3rem; } .md h2 { font-size: 1.15rem; } .md h3, .md h4 { font-size: 1.02rem; }
.md p, .md ul, .md ol, .md blockquote { margin: .5em 0; }
.md ul, .md ol { padding-left: 1.3em; }
.md a { color: var(--accent); }
.md code { font: .88em ui-monospace, Menlo, monospace; background: var(--bg); border: 1px solid var(--line);
           border-radius: 4px; padding: 0 4px; }
.md pre { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 12px; overflow-x: auto; }
.md pre code { border: 0; padding: 0; background: none; }
.md blockquote { border-left: 3px solid var(--line); padding-left: 12px; color: var(--muted); }
.md table { border-collapse: collapse; display: block; overflow-x: auto; max-width: 100%; margin: .6em 0; }
.md th, .md td { border: 1px solid var(--line); padding: 4px 10px; text-align: left; white-space: nowrap; }
.md th { background: var(--bg); }
details summary { cursor: pointer; color: var(--muted); margin-top: 12px; }
footer { max-width: 760px; margin: 0 auto; padding: 16px; color: var(--muted); font-size: .9rem;
         border-top: 1px solid var(--line); }