:root{
  --page:#E7EBEF;--bg:#F3F5F7;--panel:#FFFFFF;--soft:#F6F8F9;--ink:#1D2A33;--secondary:#53636E;--muted:#6F7D88;
  --line:#E4E9ED;--line-strong:#D4DBE0;--teal:#148A8A;--teal-ink:#0F6D6D;--teal-hover:#0F7373;--on-teal:#FFFFFF;
  --tint:#E6F4F2;--tint-line:#CFE9E5;--green:#1F7A55;--green-bg:#E9F6EE;--green-line:#CFE9DB;
  --amber:#8A6416;--amber-bg:#FDF6E7;--amber-line:#F0E2BF;--red:#B24A3F;--red-bg:#FDF1EE;--red-line:#F3D7CF;
  --shadow:0 1px 2px rgba(27,42,55,.06),0 12px 32px rgba(27,42,55,.10);--track:#E4E9ED;
}
@media (prefers-color-scheme:dark){[data-theme="auto"]{
  --page:#0A0F13;--bg:#0E1419;--panel:#161F26;--soft:#1B262E;--ink:#E7EDF0;--secondary:#A7B5BD;--muted:#8796A0;
  --line:#2A3942;--line-strong:#35454E;--teal:#4FC3BF;--teal-ink:#67D0CB;--teal-hover:#67D0CB;--on-teal:#07211F;
  --tint:#15322F;--tint-line:#1F3D3A;--green:#78D6AD;--green-bg:#15302A;--green-line:#214237;
  --amber:#F0CE83;--amber-bg:#2F2A1D;--amber-line:#43391F;--red:#F1A79C;--red-bg:#35211F;--red-line:#4A2D28;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 32px rgba(0,0,0,.45);--track:#2A3942;
}}
[data-theme="dark"]{
  --page:#0A0F13;--bg:#0E1419;--panel:#161F26;--soft:#1B262E;--ink:#E7EDF0;--secondary:#A7B5BD;--muted:#8796A0;
  --line:#2A3942;--line-strong:#35454E;--teal:#4FC3BF;--teal-ink:#67D0CB;--teal-hover:#67D0CB;--on-teal:#07211F;
  --tint:#15322F;--tint-line:#1F3D3A;--green:#78D6AD;--green-bg:#15302A;--green-line:#214237;
  --amber:#F0CE83;--amber-bg:#2F2A1D;--amber-line:#43391F;--red:#F1A79C;--red-bg:#35211F;--red-line:#4A2D28;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 32px rgba(0,0,0,.45);--track:#2A3942;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--page);color:var(--ink);font-family:"Segoe UI Variable Text","Segoe UI","Microsoft YaHei UI","Microsoft YaHei","PingFang SC","Noto Sans SC",system-ui,sans-serif;font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased;min-height:100vh;padding:0;background:var(--bg)}
button{font:inherit;color:inherit}
.mono{font-family:Consolas,"Cascadia Mono",ui-monospace,Menlo,monospace;font-size:12.5px;letter-spacing:.01em}
svg.i{width:16px;height:16px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.seg{display:inline-flex;border:1px solid var(--line-strong);border-radius:6px;overflow:hidden;background:var(--panel)}
.seg button{border:0;background:transparent;padding:3px 10px;cursor:pointer;color:var(--secondary);font-size:12.5px}
.seg button[aria-pressed="true"]{background:var(--tint);color:var(--teal-ink);font-weight:600}

.appbar{height:56px;flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 16px 0 20px;background:var(--panel);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px}
.brand .name{font-size:16px;font-weight:650;letter-spacing:.01em}
.tag{font-size:12px;padding:1px 8px;border-radius:999px;background:var(--soft);border:1px solid var(--line);color:var(--secondary)}
.appbar .right{display:flex;align-items:center;gap:8px}
.iconbtn{width:34px;height:34px;border-radius:6px;border:1px solid transparent;background:transparent;display:grid;place-items:center;cursor:pointer;color:var(--secondary)}
.iconbtn:hover{background:var(--soft);border-color:var(--line)}
.update-pill{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;border-radius:999px;border:1px solid var(--tint-line);background:var(--tint);color:var(--teal-ink);font-size:12.5px;font-weight:600;cursor:pointer}
.update-pill .pd{width:7px;height:7px;border-radius:50%;background:var(--teal)}

.gd{width:8px;height:8px;border-radius:50%;background:var(--green);flex:none}

.eyebrow{font-size:12.5px;color:var(--muted);font-weight:500}
h1{font-size:23px;line-height:1.3;font-weight:650;margin:6px 0 10px;letter-spacing:.005em}
.lead{color:var(--secondary);margin:0 0 26px;max-width:680px;line-height:1.7}

.btn{height:34px;padding:0 14px;border-radius:6px;border:1px solid var(--line-strong);background:var(--panel);color:var(--ink);font-size:14px;display:inline-flex;align-items:center;gap:6px;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--soft)}
.btn.primary{background:var(--teal);border-color:var(--teal);color:var(--on-teal);font-weight:600}
.btn.primary:hover{background:var(--teal-hover)}
.btn.lg{height:40px;padding:0 20px;font-size:14.5px}
.btn.link{border-color:transparent;background:transparent;color:var(--teal-ink);padding:0 6px;height:28px;font-size:13px}
.btn.link:hover{background:var(--tint)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn:focus-visible,.hs:focus-visible,.iconbtn:focus-visible,.mcard:focus-visible,.drop:focus-visible{outline:2px solid var(--teal);outline-offset:2px}

.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px 22px}
.card + .card,.card + .callout,.callout + .card,.callout + .callout,.callout + .mgrid{margin-top:16px}
.card h3{margin:0 0 14px;font-size:14px;font-weight:600}
.kv{display:grid;grid-template-columns:96px 1fr;row-gap:8px;column-gap:12px;align-items:center;font-size:13.5px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;display:flex;align-items:center;gap:6px;min-width:0}
.kv dd .mono{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.meta{display:grid;grid-template-columns:1.1fr 1.3fr 1.6fr;gap:12px}.meta div{display:flex;flex-direction:column;min-width:0}.meta span.k{font-size:12.5px;color:var(--muted)}.meta .v{display:flex;align-items:center;gap:4px;font-weight:600;min-height:28px}.meta .v .mono{font-weight:400;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rmeta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--secondary)}.ok .rmeta{border-top-color:var(--green-line)}.warn .rmeta{border-top-color:var(--amber-line)}.rmeta .sep{color:var(--muted)}
.head .grow{flex:1;min-width:0}
.divider{height:1px;background:var(--line);margin:18px 0}
.linkrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.linkrow .url{flex:1;min-width:200px;display:flex;align-items:center;gap:8px;height:34px;padding:0 10px;border:1px solid var(--line);border-radius:6px;background:var(--soft);color:var(--secondary);overflow:hidden}
.linkrow .url span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.mgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.mcard{display:flex;gap:16px;align-items:center;padding:18px 20px;border-radius:10px;border:1px solid var(--line);background:var(--panel);cursor:pointer;text-align:left;width:100%}
.mcard:hover{border-color:var(--line-strong)}
.mcard.sel{border-color:var(--teal);box-shadow:0 0 0 1px var(--teal) inset;background:var(--tint)}
.mcard .ic{width:40px;height:40px;border-radius:8px;background:var(--soft);border:1px solid var(--line);display:grid;place-items:center;color:var(--teal-ink);flex:none}
.mcard.sel .ic{background:var(--panel)}
.mcard .ic svg{width:20px;height:20px}
.mcard .tx{flex:1;min-width:0}
.mcard .tx b{display:block;font-size:15px;font-weight:600}
.mcard .tx b .alias{font-style:normal;font-weight:500;font-size:13px;color:var(--secondary);margin-left:8px;padding:0 7px;border-radius:999px;background:var(--soft);border:1px solid var(--line);vertical-align:2px}.mcard.sel .tx b .alias{background:var(--panel)}
.mcard .tx > span{margin-top:2px;display:block;font-size:12.5px;color:var(--secondary)}
.radio{width:18px;height:18px;border-radius:50%;border:1.5px solid var(--line-strong);flex:none;display:grid;place-items:center}
.mcard.sel .radio{border-color:var(--teal)}
.mcard.sel .radio::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal)}
.fine{font-size:12.5px;color:var(--muted);margin-top:20px;display:flex;gap:6px;align-items:flex-start}
.fine svg{margin-top:2px;width:14px;height:14px}

.drop{margin-top:16px;border:1.5px dashed var(--line-strong);border-radius:10px;background:var(--panel);padding:18px 16px;display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer;text-align:center;width:100%}
.drop:hover,.drop.over{border-color:var(--teal);background:var(--tint)}
.drop .big{width:40px;height:40px;border-radius:50%;background:var(--tint);color:var(--teal-ink);display:grid;place-items:center;margin-bottom:4px}
.drop .big svg{width:22px;height:22px}
.drop b{font-size:15px;font-weight:600}
.drop span{font-size:13px;color:var(--secondary)}
.drop span u{color:var(--teal-ink);text-decoration:none;font-weight:600}
.drop small{font-size:12px;color:var(--muted);margin-top:4px}

.filerow{display:flex;align-items:center;gap:12px}
.fileic{width:38px;height:38px;border-radius:8px;background:var(--soft);border:1px solid var(--line);display:grid;place-items:center;color:var(--secondary);flex:none}
.filerow .tx{flex:1;min-width:0}
.filerow .tx b{display:block;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.filerow .tx span{font-size:12.5px;color:var(--muted)}
.prog{height:6px;border-radius:999px;background:var(--track);overflow:hidden;margin-top:18px}
.prog i{display:block;height:100%;background:var(--teal);border-radius:999px;transition:width .2s linear}
.progtx{display:flex;justify-content:space-between;font-size:12.5px;color:var(--secondary);margin-top:8px}

.result{border-radius:10px;padding:20px 22px;border:1px solid}
.result.ok{background:var(--green-bg);border-color:var(--green-line)}
.result.warn{background:var(--amber-bg);border-color:var(--amber-line)}
.result.err{background:var(--red-bg);border-color:var(--red-line)}
.result .head{display:flex;gap:12px;align-items:flex-start}
.badge{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:none}
.ok .badge{background:var(--green);color:var(--panel)}
.warn .badge{background:var(--amber);color:var(--panel)}
.badge svg{width:18px;height:18px;stroke-width:2.4}
.result .head b{display:block;font-size:15.5px;font-weight:650}
.ok .head b{color:var(--green)}
.warn .head b{color:var(--amber)}
.result .head p{margin:4px 0 0;line-height:1.65;color:var(--secondary);font-size:13.5px}
.result .kv{margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.ok .kv{border-top-color:var(--green-line)}
.warn .kv{border-top-color:var(--amber-line)}
.result .acts{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}

.callout{display:flex;gap:10px;padding:14px 16px;line-height:1.65;border-radius:8px;border:1px solid;font-size:13.5px}
.callout svg{margin-top:2px}
.callout.amber{background:var(--amber-bg);border-color:var(--amber-line);color:var(--ink)}
.callout.amber svg{color:var(--amber)}
.callout.info{background:var(--soft);border-color:var(--line);color:var(--secondary)}
.callout.teal{background:var(--tint);border-color:var(--tint-line)}
.callout.teal svg{color:var(--teal-ink)}
.callout b{font-weight:600}

.olist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.olist li{display:flex;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.olist li:last-child{border-bottom:0;padding-bottom:2px}
.olist li:first-child{padding-top:2px}
.olist .n{width:24px;height:24px;border-radius:50%;background:var(--soft);border:1px solid var(--line-strong);display:grid;place-items:center;font-size:12px;font-weight:600;color:var(--secondary);flex:none;margin-top:1px}
.olist .tx{flex:1;min-width:0}.olist .tx b{display:block;font-weight:600}
.olist .tx>span{color:var(--secondary);font-size:13.5px;line-height:1.65;display:block;margin-top:3px}
.olist .tx>.linkrow{display:flex;margin-top:12px;max-width:560px}
.olist .tx code{font-family:Consolas,"Cascadia Mono",ui-monospace,monospace;font-size:12.5px;background:var(--soft);border:1px solid var(--line);padding:0 5px;border-radius:4px;color:var(--ink)}

.check{display:inline-flex;align-items:flex-start;gap:9px;max-width:100%;padding:6px 9px;color:var(--ink);font-size:13.5px;line-height:1.45;border:1px solid var(--line);border-radius:8px;background:var(--panel);cursor:pointer;user-select:none}
.check>span:last-child{min-width:0;overflow-wrap:anywhere}
.check>.check-box{width:18px;height:18px;min-width:18px;min-height:18px;margin-top:1px;border-radius:4px;border:1.5px solid var(--line-strong);display:grid;place-items:center;flex:none;overflow:hidden}
.check.on{border-color:var(--teal);background:var(--tint)}
.check.on>.check-box{background:var(--teal);border-color:var(--teal);color:var(--on-teal)}
.check>.check-box svg{width:12px;height:12px;stroke-width:3;display:none}
.check.on>.check-box svg{display:block}

.out{display:flex;gap:8px;align-items:center}
.out .path{flex:1;min-width:0;height:34px;display:flex;align-items:center;padding:0 10px;border:1px solid var(--line-strong);border-radius:6px;background:var(--panel)}
.out .path span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lbl{font-size:12.5px;color:var(--muted);margin:20px 0 8px;font-weight:500}
.row-end{display:flex;justify-content:flex-start;align-items:center;gap:14px;margin-top:24px}
.row-end .fine{margin:0}
.soft-note{margin-top:16px;font-size:13px;color:var(--secondary);display:flex;gap:8px;align-items:center;padding:10px 12px;border-radius:8px;background:var(--soft);border:1px solid var(--line)}
.soft-note svg{width:15px;height:15px;color:var(--muted)}

details.faq{margin-top:16px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}
details.faq summary{cursor:pointer;padding:12px 14px;font-weight:600;list-style:none;display:flex;align-items:center;gap:8px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary .chev{margin-left:auto;transition:transform .15s}
details.faq[open] summary .chev{transform:rotate(90deg)}
details.faq .body{padding:0 14px 14px 38px;color:var(--secondary);font-size:13.5px}
details.faq .body ol{margin:6px 0 0;padding-left:18px}

.empty{text-align:center;padding:30px 16px}
.empty .big{width:48px;height:48px;border-radius:50%;background:var(--soft);border:1px solid var(--line);display:grid;place-items:center;margin:0 auto 10px;color:var(--muted)}
.empty b{display:block;font-size:15px}
.empty p{margin:4px 0 14px;color:var(--secondary)}

/* modal */
.scrim{position:fixed;inset:0;background:rgba(10,18,24,.38);display:grid;place-items:center;z-index:5}
.modal{width:520px;max-width:calc(100vw - 32px);max-height:calc(100dvh - 32px);overflow:auto;overscroll-behavior:contain;background:var(--panel);border:1px solid var(--line-strong);border-radius:12px;box-shadow:var(--shadow)}
.modal .mh{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 10px 20px}
.modal .mh b{font-size:16px;font-weight:650}
.modal .mb{padding:0 20px 18px}
.msec{padding:12px 0;border-top:1px solid var(--line)}
.msec:first-child{border-top:0;padding-top:4px}
.msec h4{margin:0 0 8px;font-size:12.5px;color:var(--muted);font-weight:600;letter-spacing:.02em}
.mrow{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:34px;padding:8px 0}.mrow + .mrow{border-top:1px solid var(--line)}.mrow .l b{font-weight:600;font-size:13.5px;line-height:1.4}.mgrid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mrow .l{display:flex;flex-direction:column;min-width:0}
.mrow .l span{font-size:12.5px;color:var(--muted)}
.toggle{width:36px;height:20px;border-radius:999px;background:var(--line-strong);position:relative;border:0;cursor:pointer;flex:none}
.toggle::after{content:"";position:absolute;top:3px;left:3px;width:14px;height:14px;border-radius:50%;background:var(--panel);transition:left .15s}
.toggle[aria-checked="true"]{background:var(--teal)}
.toggle[aria-checked="true"]::after{left:19px}
.offline-box{font-size:13px;color:var(--muted);padding:10px 12px;border:1px dashed var(--line-strong);border-radius:8px}
.newver{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:8px;background:var(--tint);border:1px solid var(--tint-line);margin-bottom:8px;font-size:13.5px}
.newver .sp{flex:1}

.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--ink);color:var(--panel);padding:8px 14px;border-radius:8px;font-size:13px;display:flex;gap:8px;align-items:center;z-index:9;box-shadow:var(--shadow)}
.toast svg{width:14px;height:14px;stroke-width:2.6}

@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* ---- web edition additions ---- */
[hidden]{display:none!important}
a.btn{text-decoration:none}
a{color:var(--teal-ink)}
.boot-fail{max-width:560px;margin:14vh auto 0;padding:24px 26px;background:var(--panel);border:1px solid var(--line-strong);border-radius:12px;box-shadow:var(--shadow)}
.boot-fail h1{font-size:19px;margin:0 0 8px}
.boot-fail p{margin:6px 0;color:var(--secondary)}
.err .badge{background:var(--red);color:var(--panel)}
.err .head b{color:var(--red)}
.err .rmeta,.err .kv{border-top-color:var(--red-line)}
.result + .card,.result + .callout,.card + .result,.callout + .result,.result + .soft-note,.drop + .result,.drop + .card,.card + .drop{margin-top:16px}
.mt{margin-top:16px}
.ok-ink{color:var(--green)}
.prog.indet i{width:35%;animation:indet 1.1s ease-in-out infinite}
@keyframes indet{0%{transform:translateX(-100%)}100%{transform:translateX(290%)}}
.about{font-size:13px;color:var(--secondary);white-space:pre-line;overflow-wrap:anywhere}
.about-links{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.kv.compact{grid-template-columns:auto minmax(0,1fr);margin-top:12px;font-size:12.5px}
.kv.compact dd{min-width:0}
.kv.compact dd .mono{white-space:normal;overflow-wrap:anywhere}
.hidden-input{display:none}

/* SN + command panel (NX30) */
.snbox label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px;font-weight:500}
.snrow{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.snin{flex:1;min-width:220px;height:40px;padding:0 12px;border:1px solid var(--line-strong);border-radius:6px;background:var(--panel);color:var(--ink);font-family:Consolas,"Cascadia Mono",ui-monospace,Menlo,monospace;font-size:16px;letter-spacing:.06em;text-transform:uppercase}
.snin::placeholder{text-transform:none;letter-spacing:0;font-family:inherit;font-size:14px;color:var(--muted)}
.snin:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:var(--teal)}
.snin.bad{border-color:var(--red)}
.snmeta{display:flex;justify-content:space-between;gap:12px;margin-top:6px;font-size:12.5px;color:var(--muted)}
.snmeta .bad{color:var(--red)}
.snmeta .good{color:var(--green)}
.snfixed{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.snfixed .mono{font-size:15px;letter-spacing:.06em;color:var(--ink)}
.privacy{font-size:12.5px;color:var(--muted);margin-top:10px;display:flex;gap:6px;align-items:flex-start}
.privacy svg{margin-top:2px;width:14px;height:14px}
.status{display:flex;gap:10px;align-items:flex-start;margin-top:14px;padding:12px 14px;border-radius:8px;border:1px solid;font-size:13.5px;line-height:1.6}
.status svg{margin-top:2px}
.status.ok{background:var(--green-bg);border-color:var(--green-line)}
.status.ok svg{color:var(--green)}
.status.warn{background:var(--amber-bg);border-color:var(--amber-line)}
.status.warn svg{color:var(--amber)}
.status.err{background:var(--red-bg);border-color:var(--red-line)}
.status.err svg{color:var(--red)}
.status.busy{background:var(--soft);border-color:var(--line);color:var(--secondary)}
.spin{width:16px;height:16px;border-radius:50%;border:2px solid var(--line-strong);border-top-color:var(--teal);animation:spin .8s linear infinite;flex:none;margin-top:2px}
@keyframes spin{to{transform:rotate(360deg)}}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin:4px 0 14px}
.tabs button{height:36px;padding:0 14px;border:0;background:transparent;border-bottom:2px solid transparent;margin-bottom:-1px;cursor:pointer;color:var(--secondary);font-weight:600}
.tabs button[aria-selected="true"]{color:var(--teal-ink);border-bottom-color:var(--teal)}
.tabs button:focus-visible{outline:2px solid var(--teal);outline-offset:-2px}
.how{font-size:13.5px;color:var(--secondary);margin:0 0 10px;line-height:1.65}
.cmd{margin:0;border:1px solid var(--line-strong);border-radius:8px;background:var(--soft)}
.cmd pre{margin:0;padding:12px 14px;max-height:170px;overflow:auto;white-space:pre-wrap;word-break:break-all;font-family:Consolas,"Cascadia Mono",ui-monospace,Menlo,monospace;font-size:12px;line-height:1.5;color:var(--ink)}
.cmdbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:12px}
.after{margin-top:14px;font-size:13.5px;color:var(--secondary)}
@media (prefers-reduced-motion:reduce){.spin,.prog.indet i{animation-duration:3s}}
.err-ink{color:var(--red)}
.card h3{display:flex;align-items:center;gap:8px}
details.faq + .callout{margin-top:16px}

/* ---- web page layout ---- */
:root{--wrap:1200px;--gut:32px;--topbar:60px}
.page{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:calc(var(--wrap) + 2 * var(--gut));margin:0 auto;padding:0 var(--gut)}

/* top bar */
.topbar{position:sticky;top:0;z-index:4;background:var(--panel);border-bottom:1px solid var(--line)}
.topbar .wrap{height:var(--topbar);display:flex;align-items:center;justify-content:space-between;gap:12px}
.topbar .right{display:flex;align-items:center;gap:8px}
.brand .tag{white-space:nowrap}
.author{display:inline-flex;align-items:center;gap:4px;flex:none;font-size:12.5px;color:var(--secondary);text-decoration:none;padding:2px 7px;border-radius:999px;border:1px solid transparent;margin-left:2px;white-space:nowrap}
.author:hover{color:var(--teal);border-color:var(--line);background:var(--soft)}
.author:focus-visible{outline:2px solid var(--teal);outline-offset:2px}

/* horizontal stepper */
.stepper{background:var(--panel);border-bottom:1px solid var(--line)}
.hsteps{list-style:none;margin:0;padding:14px 0 12px;display:grid;grid-template-columns:repeat(6,minmax(0,1fr))}
.hsteps li{position:relative;min-width:0}
.hsteps li + li::before{content:"";position:absolute;top:21px;left:calc(-50% + 22px);right:calc(50% + 22px);height:2px;background:var(--line-strong);border-radius:2px}
.hsteps li.reached::before{background:var(--teal)}
.hs{display:flex;flex-direction:column;align-items:center;gap:6px;width:100%;padding:8px 6px 6px;border:1px solid transparent;border-radius:10px;background:transparent;text-align:center;cursor:pointer}
.hs:hover .dot{border-color:var(--teal)}
.hs .dot{width:28px;height:28px;border-radius:50%;border:1.5px solid var(--line-strong);display:grid;place-items:center;font-size:12.5px;font-weight:600;color:var(--muted);flex:none;background:var(--panel);position:relative;z-index:1}
.hs.done .dot{background:var(--teal);border-color:var(--teal);color:var(--on-teal)}
.hs.done .dot svg{width:14px;height:14px;stroke-width:2.6}
.hs.active .dot{border-color:var(--teal);color:var(--teal-ink);box-shadow:0 0 0 4px var(--tint)}
.hs .tx{display:flex;flex-direction:column;align-items:center;min-width:0;max-width:100%}
.hs .tx b{font-weight:600;font-size:13.5px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.hs .tx span{font-size:12px;color:var(--muted);line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.hs.active .tx b{color:var(--teal-ink)}

/* main grid: step panel + summary */
.layout{flex:1;display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start;padding-top:28px;padding-bottom:40px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:0 1px 2px rgba(27,42,55,.04)}
.panel-body{padding:32px 40px 30px;min-height:420px}
.panel-foot{position:sticky;bottom:0;z-index:2;display:flex;align-items:center;gap:10px;padding:14px 20px 14px 40px;border-top:1px solid var(--line);background:var(--panel);border-radius:0 0 14px 14px}
.panel-foot .sp{flex:1}
.panel-foot .hint{font-size:12.5px;color:var(--muted)}
.panel-foot .btn{min-width:104px;justify-content:center}

/* summary column */
.aside{position:sticky;top:calc(var(--topbar) + 20px);display:flex;flex-direction:column;gap:16px}
.box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.box h2{font-size:13px;font-weight:650;color:var(--muted);letter-spacing:.02em;margin:0 0 12px}
.sumrow{display:flex;justify-content:space-between;gap:12px;align-items:baseline;padding:4px 0;font-size:13.5px}
.sumrow .k{color:var(--muted);flex:none}
.sumrow .v{font-weight:600;text-align:right;min-width:0;overflow-wrap:anywhere}
.sumrow .v.mono{font-weight:500}
.checks{list-style:none;margin:12px 0 0;padding:12px 0 0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.checks li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px}
.checks .cd{width:20px;height:20px;border-radius:50%;border:1.5px solid var(--line-strong);flex:none;display:grid;place-items:center;margin-top:1px;background:var(--panel)}
.checks li.on .cd{background:var(--green);border-color:var(--green);color:var(--panel)}
.checks li.on .cd svg{width:12px;height:12px;stroke-width:2.8}
.checks .ct{display:flex;flex-direction:column;min-width:0}
.checks .ct span{font-size:12.5px;color:var(--muted);overflow-wrap:anywhere}
.checks li.on .ct span{color:var(--green)}
.trust{display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--secondary)}
.trust .row{display:flex;gap:8px;align-items:flex-start}
.trust .row svg{width:15px;height:15px;margin-top:2px;color:var(--teal-ink)}
.trust .row.bad svg,.trust .row.bad{color:var(--red)}
.trust .gd{width:8px;height:8px;border-radius:50%;background:var(--green);flex:none;margin:6px 4px 0 3px}
.box .btn{margin-top:12px;width:100%;justify-content:center}
.box .links{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.box .links .btn{width:auto;margin-top:0;flex:1}

/* page footer */
.pagefoot{border-top:1px solid var(--line);background:var(--panel);font-size:12.5px;color:var(--muted)}
.pagefoot .wrap{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;min-height:52px;padding-top:10px;padding-bottom:10px}
.pagefoot .sp{flex:1}
.pagefoot a{color:var(--secondary)}

/* very wide screens: a little more room */
@media (min-width:1600px){:root{--wrap:1280px}.panel-body{padding:36px 48px 32px}.panel-foot{padding-left:48px}}

/* laptops: hide step subtitles, narrower summary */
@media (max-width:1180px){
  .hs .tx span{display:none}
  .layout{grid-template-columns:minmax(0,1fr) 280px;gap:22px}
  .panel-body{padding:28px 30px 26px}
  .panel-foot{padding-left:30px}
}

/* tablets: one column, summary below as two boxes side by side */
@media (max-width:960px){
  :root{--gut:20px}
  .layout{grid-template-columns:minmax(0,1fr);padding-top:20px}
  .aside{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .hsteps{display:flex;gap:6px;padding:10px 0}
  .hsteps li{flex:none}
  .hsteps li.cur{flex:1;min-width:0}
  .hsteps li + li::before{display:none}
  .hs{flex-direction:row;padding:4px;gap:10px;text-align:left}
  .hs .tx{display:none;align-items:flex-start}
  .hsteps li.cur .hs .tx{display:flex}
  .hsteps li.cur .hs .tx span{display:block}
}

/* phones */
@media (max-width:640px){
  :root{--gut:12px;--topbar:56px}
  .brand .name{font-size:15px}

  /* Narrow header: keep the author link but drop the edition pill and the
     "by" prefix so brand + language + settings still fit one row. */
  .brand .tag{display:none}
  .author .byw{display:none}
  .author{font-size:11.5px;padding:2px 6px;margin-left:0}
  .topbar .wrap{gap:8px}
  .hsteps{padding:8px 0;gap:2px}
  .hsteps li.cur .hs .tx span{display:none}
  .layout{padding-top:12px;padding-bottom:16px;gap:14px}
  .panel{border-radius:12px}
  .panel-body{padding:20px 18px;min-height:0}
  .panel-foot{padding:10px 12px;flex-wrap:wrap;border-radius:0 0 12px 12px}
  .panel-foot .hint{flex:1 1 100%}
  .panel-foot .btn{min-width:0;flex:1}
  .panel-foot .sp{display:none}
  .aside{grid-template-columns:1fr}
  .mgrid{grid-template-columns:1fr}
  .meta{grid-template-columns:1fr}
  .tabs button{padding:0 10px}
  .kv{grid-template-columns:80px 1fr}
  .pagefoot .sp{display:none}
  .toast{bottom:84px}
  .scrim{padding:8px}
  .modal{width:100%;max-width:100%;max-height:calc(100dvh - 16px);border-radius:10px}
  .modal .mh{padding:12px 12px 8px 16px}
  .modal .mb{padding:0 16px 16px}
  .mgrid2{grid-template-columns:minmax(0,1fr);gap:0}
  .mgrid2>div+div{margin-top:12px}
  .mrow{align-items:stretch;flex-direction:column;gap:8px}
  .mrow .btn{width:100%;justify-content:center}
  .kv.compact{grid-template-columns:minmax(0,1fr);gap:2px}
  .kv.compact dt{margin-top:8px}
  .check{width:100%}
}