:root{--bg:#f6f7f9;--card:#fff;--fg:#1a1d21;--mut:#5c6470;--line:#dde1e6;--pri:#0b5cad;--pri-fg:#fff;--ok:#1e7f3a;--bad:#b3261e;--warn:#9a6700;--code:#eef1f5}
@media (prefers-color-scheme:dark){:root{--bg:#121417;--card:#1b1f24;--fg:#e8eaed;--mut:#9aa3ad;--line:#2b3138;--pri:#4d9cf0;--pri-fg:#0b1220;--ok:#5dc27a;--bad:#f28b82;--warn:#e3b341;--code:#22272e}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--pri)}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--card);position:sticky;top:0;z-index:2}
.top .brand{font-weight:700;text-decoration:none;color:var(--fg)}
.top nav{display:flex;gap:6px;align-items:center}
.top nav a,.top nav button{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;text-decoration:none;font-size:16px;border-radius:8px}
.top nav a:hover{background:var(--code)}
.inline{display:inline;margin:0}
button.link{background:none;border:0;color:var(--pri);cursor:pointer;font:inherit}
.wrap{max-width:900px;margin:0 auto;padding:16px}
h1{font-size:22px;margin:8px 0 12px}
h2{font-size:18px;margin:20px 0 8px}
.mut{color:var(--mut)}
.err{color:var(--bad);font-weight:600}
.ok{color:var(--ok);font-weight:600}
.bad{color:var(--bad);font-weight:600}
.warn{color:var(--warn);font-weight:600}
label{display:block;font-weight:600;margin:12px 0 6px}
input,select,textarea{width:100%;min-height:44px;font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--fg)}
button.primary,button.secondary,button.danger{min-height:44px;padding:0 18px;font:inherit;font-weight:600;border-radius:8px;cursor:pointer;border:1px solid var(--line)}
button.primary{background:var(--pri);color:var(--pri-fg);border-color:var(--pri)}
button.secondary{background:var(--card);color:var(--fg)}
button.danger{background:var(--card);color:var(--bad)}
button:disabled{opacity:.55;cursor:default}
.login{max-width:420px;margin-top:8vh}
.login form{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.login .primary{width:100%;margin-top:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;margin:10px 0}
.card h3{margin:0 0 6px;font-size:17px;display:flex;justify-content:space-between;gap:8px;align-items:center}
.pill{display:inline-block;font-size:13px;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--code)}
.pill.on{background:#dff5e5;color:#0d5b28}
.pill.off{background:#fde2e0;color:#7f1d18}
@media (prefers-color-scheme:dark){.pill.on{background:#173b23;color:#8fe0a6}.pill.off{background:#4a1f1c;color:#f7a9a3}}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:15px}
.kv dt{color:var(--mut)}
.kv dd{margin:0;word-break:break-word}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:10px 0}
.row > *{flex:1 1 200px}
.row button{flex:0 0 auto}
pre{background:var(--code);padding:12px;border-radius:8px;overflow:auto;font-size:13px;line-height:1.4;white-space:pre-wrap;word-break:break-word}
code{background:var(--code);padding:2px 5px;border-radius:4px;font-size:14px}
.banner{padding:12px 14px;border-radius:10px;margin:10px 0;font-weight:600}
.banner.ok{background:#dff5e5;color:#0d5b28}
.banner.bad{background:#fde2e0;color:#7f1d18}
.banner.warn{background:#fff3cd;color:#6b4e00}
@media (prefers-color-scheme:dark){.banner.ok{background:#173b23;color:#8fe0a6}.banner.bad{background:#4a1f1c;color:#f7a9a3}.banner.warn{background:#4a3a0f;color:#f2d27a}}
details summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-weight:600}
.small{font-size:14px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.actions button{min-height:44px;padding:0 12px;font-size:15px}

/* ------------------------------------------------------------------ mesh admin page (added 15 Sep 2026) */
:root{--pri:#443192;--accent:#EF4323;--sel:#f0edfa;--barA:#443192;--barB:#EF4323;--barC:#98a0ac}
@media (prefers-color-scheme:dark){:root{--pri:#9d8ef0;--accent:#ff7a5e;--sel:#241f3d;--barA:#7d6ae0;--barB:#EF4323;--barC:#5c6470}}

button.asLink{background:none;border:0;padding:0;color:var(--pri);cursor:pointer;font:inherit;text-decoration:underline}
.tabs{display:flex;gap:6px;margin:12px 0 4px;background:var(--code);padding:4px;border-radius:12px}
.tab{flex:1 1 0;min-height:44px;border:0;border-radius:9px;background:none;color:var(--fg);font:inherit;font-weight:600;cursor:pointer}
.tab[aria-selected="true"]{background:var(--card);color:var(--pri);box-shadow:0 1px 3px rgba(0,0,0,.14)}

.spin{display:inline-block;width:18px;height:18px;border:3px solid var(--line);border-top-color:var(--pri);border-radius:50%;animation:sp .8s linear infinite;vertical-align:-4px;margin-right:9px}
@keyframes sp{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spin{animation-duration:2.4s}}
.working{margin:12px 0;font-weight:600}

.chip{display:inline-block;font-size:13px;font-weight:700;padding:5px 10px;border-radius:999px;background:var(--code);color:var(--fg);line-height:1.25}
.chip.one{background:#dff5e5;color:#0d5b28}
.chip.split{background:#fff3cd;color:#6b4e00}
.chip.no{background:#e7e9ee;color:#4a5261}
.chip.rec{background:var(--pri);color:#fff}
@media (prefers-color-scheme:dark){.chip.one{background:#173b23;color:#8fe0a6}.chip.split{background:#4a3a0f;color:#f2d27a}.chip.no{background:#2b3138;color:#b6bec9}.chip.rec{background:var(--pri);color:#141024}}

.vtable{width:100%;border-collapse:collapse;margin:6px 0 0}
.vtable th{text-align:left;font-size:13px;font-weight:700;color:var(--mut);padding:8px;border-bottom:1px solid var(--line)}
.vtable td{padding:12px 8px;border-bottom:1px solid var(--line);vertical-align:middle;font-size:15px}
.vtable tbody tr{cursor:pointer}
.vtable tbody tr:hover{background:var(--code)}
.vtable tbody tr.sel{background:var(--sel);outline:2px solid var(--pri);outline-offset:-2px}
.vtable tbody tr:focus-visible{outline:3px solid var(--pri);outline-offset:-3px}
.vname{font-weight:700}
.vhint{display:block;font-size:13px;color:var(--mut);font-weight:400}
.vtable td.act{text-align:right;white-space:nowrap}
.vtable td.act button{min-height:44px;padding:0 14px;font-size:15px}
@media (max-width:700px){
  .vtable,.vtable tbody,.vtable tr,.vtable td{display:block;width:100%}
  .vtable thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .vtable tr{border:1px solid var(--line);border-radius:12px;margin:10px 0;padding:4px 12px;background:var(--card)}
  .vtable tr.sel{border-color:var(--pri)}
  .vtable td{display:flex;justify-content:space-between;align-items:center;gap:14px;border:0;border-bottom:1px dashed var(--line);padding:11px 0;text-align:left}
  .vtable td:last-child{border-bottom:0}
  .vtable td::before{content:attr(data-label);color:var(--mut);font-size:13px;font-weight:600;flex:0 0 auto}
  .vtable td.act{justify-content:flex-end}
  .vtable td.act::before{content:''}
  .vtable td.act button{width:100%}
}

.bar{display:flex;height:16px;border-radius:8px;overflow:hidden;background:var(--code);margin:12px 0 8px}
.bar span{display:block;height:100%}
.bar .a{background:var(--barA)}
.bar .b{background:var(--barB)}
.bar .c{background:var(--barC)}
.legend{list-style:none;margin:0;padding:0;font-size:15px}
.legend li{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.legend li:last-child{border-bottom:0;font-weight:700}
.legend .sw{display:inline-block;width:13px;height:13px;border-radius:3px;margin-right:9px;vertical-align:-1px}
.legend .lab{display:flex;align-items:center;gap:0}
.legend .num{white-space:nowrap;font-variant-numeric:tabular-nums}

.ctx{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.ctx button{flex:1 1 76px;min-height:44px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--fg);font:inherit;font-weight:600;cursor:pointer}
.ctx button[aria-pressed="true"]{background:var(--pri);color:#fff;border-color:var(--pri)}

.lists{display:grid;gap:10px;grid-template-columns:1fr}
@media (min-width:760px){.lists{grid-template-columns:repeat(3,1fr)}}
.lists ul{list-style:none;margin:6px 0 0;padding:0;font-size:15px}
.lists li{padding:8px 0;border-bottom:1px solid var(--line)}
.lists li:last-child{border-bottom:0}
.lists h3{font-size:16px;margin:0}

.toast{position:fixed;left:12px;right:12px;bottom:12px;max-width:620px;margin:0 auto;background:var(--fg);color:var(--bg);
  padding:12px 14px;border-radius:12px;display:flex;gap:12px;align-items:center;justify-content:space-between;
  box-shadow:0 6px 24px rgba(0,0,0,.3);z-index:9;font-size:15px}
.toast.bad{background:var(--bad);color:#fff}
.toast button{min-height:44px;padding:0 14px;border:1px solid currentColor;border-radius:9px;background:none;color:inherit;font:inherit;font-weight:700;cursor:pointer;flex:0 0 auto}
.toast .msg{flex:1 1 auto}
.stats{display:flex;flex-wrap:wrap;gap:8px 20px;margin:0;font-size:15px}
.stats div{min-width:120px}
.stats b{display:block;font-size:19px}
.hr{height:1px;background:var(--line);border:0;margin:14px 0}

/* readability floor: nothing below 14px, main content 16px (15-year-old rule) */
.vtable td,.legend,.lists ul,.stats,.kv,.toast,.vtable td.act button{font-size:16px}
.vtable th,.vhint,.chip,.pill,pre,.legend .vhint{font-size:14px}
.actions button,.small{font-size:15px}
#applies{overflow-x:auto}
#applies table{font-size:15px}
#applies table td{padding:6px 8px;white-space:nowrap}
.egRow{margin-top:10px}
.toast[hidden]{display:none}
.toast{max-width:min(620px,calc(100% - 24px))}
[hidden]{display:none!important}
.top{flex-wrap:nowrap}
.top .brand,.top nav a,.top nav button{white-space:nowrap}
.top nav a,.top nav button{padding:0 10px}
@media (max-width:400px){.top{padding:8px 10px}.top nav a,.top nav button{padding:0 7px;font-size:15px}}
.banner,#planText,pre{overflow-wrap:anywhere}
.legend,.lists li,.card h3,.vtable td{overflow-wrap:break-word}
.legend li{flex-wrap:wrap}
.vname{overflow-wrap:normal;white-space:nowrap}
@media (max-width:700px){.vtable td.ver{display:block}.vtable td.ver::before{display:block;margin-bottom:3px}}

/* public fit checker: one row per kind of computer */
.mrow { padding: 12px 0; border-bottom: 1px solid var(--line, #e6e6e6); }
.mrow .mnum { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mrow .mnum label { display: flex; flex-direction: column; gap: 4px; }
.mrow input[type=number] { width: 100%; min-height: 44px; }
.mrow .mchk { display: flex; align-items: center; gap: 10px; margin-top: 10px; min-height: 44px; }
.mrow input[type=checkbox] { width: 22px; height: 22px; flex: none; }
.mrow .rm { margin-top: 4px; }
.pick { border: 2px solid var(--pri); border-radius: 12px; padding: 14px 16px; margin: 12px 0 16px; }
.pick .pickname { font-size: 1.5rem; font-weight: 700; margin: 2px 0 6px; }
details > summary { cursor: pointer; padding: 10px 0; font-weight: 600; min-height: 44px; display: flex; align-items: center; }