:root{--bg:#161616;--panel:#1E1E1E;--line:#333;--text:#CFCFCF;--head:#E4E4E4;--muted:#9A9A9A}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif;margin:0}
a{color:#D6D6D6;text-underline-offset:2px}a:focus-visible,summary:focus-visible{outline:2px solid #E4E4E4;outline-offset:2px;border-radius:3px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:8px;background:#2A2A2A;color:#E4E4E4;padding:6px 10px;z-index:9}
header{background:#1C1C1C;border-bottom:1px solid var(--line)}
.bar{max-width:1040px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:8px 22px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--head);font-weight:600;text-decoration:none;margin-right:auto}.brand img{width:28px;height:28px}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px 18px;flex-wrap:wrap}nav a{color:#B4B4B4;text-decoration:none;padding:4px 0}nav a[aria-current]{color:var(--head);border-bottom:2px solid #8C8C8C}
main{max-width:1040px;margin:0 auto;padding:28px 20px 56px}
h1,h2,h3,h4{color:var(--head);font-weight:600;line-height:1.25}h1{font-size:30px;margin:8px 0 12px}h2{font-size:21px;margin-top:36px;padding-bottom:6px;border-bottom:1px solid var(--line)}h3{font-size:16px;margin:20px 0 6px}
.lead{font-size:18px;color:#C4C4C4;max-width:640px}.muted{color:var(--muted);font-size:14px}
code{background:#262626;padding:1px 5px;border-radius:4px;font-size:14px}
pre{background:var(--panel);border:1px solid var(--line);padding:12px;overflow:auto;font-size:12.5px;line-height:1.45;white-space:pre-wrap;max-height:480px}
table{border-collapse:collapse;width:100%;font-size:14px;margin:12px 0;display:block;overflow-x:auto}th,td{border:1px solid var(--line);padding:6px 9px;text-align:left;vertical-align:top}th{background:#222;color:var(--head)}
.hero{display:flex;gap:28px;align-items:center;flex-wrap:wrap;padding:18px 0 8px}.hero{gap:40px}.heroimg img{width:380px;height:auto;display:block;filter:drop-shadow(0 18px 30px rgba(0,0,0,.45))}.hero>div{flex:1 1 320px}
.btn{display:inline-block;background:#3A3A3A;color:var(--head);border:1px solid #5A5A5A;border-radius:8px;padding:10px 18px;font-weight:600;text-decoration:none;margin:10px 12px 6px 0}.btn:hover{background:#444}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px}.card h3{margin-top:0}.card a{text-decoration:none}
.facts{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px}.facts li{background:#222;border:1px solid var(--line);border-radius:999px;padding:3px 12px;font-size:14px}
.rel{border:1px solid var(--line);border-radius:10px;padding:4px 18px 10px;margin:16px 0;background:var(--panel)}.rel h2{border:0;margin:14px 0 2px}.rel .date{color:var(--muted);font-size:14px}
.tag{font-size:12px;border:1px solid #6A6A6A;border-radius:999px;padding:1px 8px;margin-left:8px;vertical-align:middle;color:#D0D0D0}
.toc{font-size:14px;line-height:2}.toc a{margin-right:10px;white-space:nowrap}
.docs{display:grid;grid-template-columns:220px 1fr;gap:32px}.side{font-size:14px;border-right:1px solid var(--line);padding-right:16px}.side ol{padding-left:20px;margin:0}.side li{color:var(--muted);margin:3px 0}
details{border:1px solid var(--line);border-radius:8px;margin:8px 0;background:var(--panel)}summary{cursor:pointer;padding:8px 12px;color:var(--head)}details pre{margin:0 10px 10px}
footer{border-top:1px solid #2A2A2A;color:#8C8C8C;font-size:13px}footer div{max-width:1040px;margin:0 auto;padding:16px 20px}
.slot{margin:18px auto;max-width:820px}.slot img{width:100%;height:auto;border:1px solid #333;border-radius:8px;display:block}.slot figcaption{color:var(--muted);font-size:13px;margin-top:6px}
.tip{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.tip picture{flex:0 0 340px;max-width:100%}.tip>div{flex:1 1 260px}.coffee.small{aspect-ratio:16/9}
.coffee{display:block;width:100%;height:auto;border-radius:10px;border:1px solid var(--line);filter:brightness(.82)}
.pay{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:16px}
.pay .card{display:flex;flex-direction:column;gap:10px}.pay img.qr{width:180px;height:180px;border-radius:6px;align-self:center}
.addr{font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;background:#141414;border:1px solid var(--line);border-radius:6px;padding:8px 10px;word-break:break-all;overflow-wrap:anywhere;user-select:all;color:#DADADA}
button.copy{font:inherit;font-size:14px;background:#3A3A3A;color:var(--head);border:1px solid #5A5A5A;border-radius:6px;padding:6px 12px;cursor:pointer;align-self:flex-start}button.copy:focus-visible{outline:2px solid #E4E4E4}
.uc{background:repeating-linear-gradient(135deg,#2A2112 0 14px,#231C10 14px 28px);border-bottom:1px solid #5A4520;color:#E4E4E4;text-align:center;font-weight:600;letter-spacing:.08em;padding:8px 12px;font-size:14px}
.dl{background:#1E1E1E;border:1px solid #3A3A3A;border-radius:12px;padding:20px 24px;margin:8px 0 24px}.dl .big{font-size:22px;padding:14px 28px;margin:4px 0 14px}.dl ol{font-size:17px;line-height:1.7;padding-left:22px;margin:6px 0}
.pending{border:1px dashed #8C8C8C;border-radius:8px;padding:8px 12px;color:#D0D0D0;font-size:14px}
@media (max-width:700px){h1{font-size:25px}.docs{grid-template-columns:1fr}.side{border-right:0;border-bottom:1px solid var(--line);padding:0 0 12px}.heroimg{margin:0 auto}.heroimg img{width:70vw;max-width:320px}body{font-size:15px}}
.attn{background:#1F1A12;border:2px solid #C98A1B;border-left-width:8px;border-radius:12px;padding:20px 24px;margin:20px 0 28px;color:#E4E4E4}
.attn h2{color:#E4B04A;border:0;margin:0 0 10px;font-size:1.35rem;letter-spacing:.02em}
.attn ol{padding-left:1.4em}.attn li{margin:0 0 18px;font-size:1.05rem;line-height:1.5}
.attn strong{color:#E4E4E4}.attn a{color:#E4B04A}
.attn .istep img{display:block;max-width:min(100%,480px);height:auto;margin:10px 0 0;border-radius:10px;border:1px solid #3A3A3A}

.dl .dlrow{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin:4px 0 10px}.dl .dlrow .big{margin:0}
.dlcount{color:#9A9A9A;font-size:.95rem;margin:8px 0 0}

html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
section.chap{scroll-margin-top:16px}section.chap h2{scroll-margin-top:16px}
.side{position:sticky;top:12px;align-self:start;max-height:calc(100vh - 24px);overflow:auto}
.side ol{padding-left:1.4em;margin:0}.side li{margin:2px 0}.side a{color:#B4B4B4;text-decoration:none;display:inline-block;padding:2px 6px;border-radius:4px}
.side a:hover{color:#E4E4E4;background:#242424}.side a[aria-current]{color:#E4E4E4;background:#2A2A2A;box-shadow:inset 2px 0 0 #8C8C8C}
.chap figure{margin:12px 0}.chap figure img{max-width:100%;height:auto;border:1px solid #3A3A3A;border-radius:8px}
.chap figcaption{color:#9A9A9A;font-size:14px}.backtop{font-size:14px;margin:14px 0 0}.backtop a{color:#9A9A9A}
.side a[aria-current]{border-bottom:0}

.lang{position:relative}.lang summary{list-style:none;cursor:pointer;color:#B4B4B4;padding:4px 10px;border:1px solid #3A3A3A;border-radius:6px;font-size:14px}
.lang summary::-webkit-details-marker{display:none}.lang summary::after{content:" ▾"}.lang[open] summary,.lang summary:hover{color:#E4E4E4;background:#242424}
.langpop{position:absolute;right:0;top:calc(100% + 6px);background:#1E1E1E;border:1px solid #3A3A3A;border-radius:8px;padding:8px 6px;min-width:170px;z-index:20;box-shadow:0 8px 24px rgba(0,0,0,.5)}
.langpop ul{list-style:none;margin:0;padding:0}.langpop a{display:block;padding:5px 10px;color:#CFCFCF;text-decoration:none;border-radius:4px}.langpop a:hover,.langpop a:focus-visible{background:#2A2A2A;color:#E4E4E4}
.langpop .muted{margin:6px 10px 2px;font-size:12px}
.btn .sub{display:block;font-size:.8em;font-weight:500;opacity:.85;text-align:center}

/* V14 era: links to the two previous versions under the Download button */
.dl .older{margin:10px 0 0}

/* BETA download next to the stable one (Zak, 26 Oct 2026) */
.btn.beta{background:transparent;border:1px dashed #C9A227;color:#E8D07A}.btn.beta:hover{background:#2A2614}
.dl .betanote{color:#CFCFCF;font-size:15px;margin:10px 0 0;padding:10px 14px;border-left:3px solid #C9A227;background:#221F14;border-radius:0 8px 8px 0}
.tag.betatag{border-color:#C9A227;color:#E8D07A}.rel.betarel{border-color:#5C4E1C}