:root{
  --bg:#F3F5F8;--surface:#FFFFFF;--surface2:#EBEFF4;--ink:#16202C;--ink2:#566273;--ink3:#8691A0;--line:#D9DFE7;
  --brand:#17529E;--brand2:#E4EDF8;--l1:#16774A;--l1bg:#DDF1E6;--warn:#8F5B00;--warnbg:#FFF1CF;--bad:#B42318;--badbg:#FCE6E3;
  --heat1:#FFF7E3;--heat2:#FFE9BF;--heat3:#FFD49A;--info:#3D5A80;--infobg:#E6ECF5;
  --radius:6px;--shadow:0 1px 2px rgba(22,32,44,.06),0 4px 16px rgba(22,32,44,.05);
  --font:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --cond:"IBM Plex Sans Condensed","IBM Plex Sans",system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0F151D;--surface:#17202B;--surface2:#1F2A37;--ink:#E6EBF1;--ink2:#A2AEBD;--ink3:#6F7C8C;--line:#2B3746;
  --brand:#6EA8F0;--brand2:#1C2E46;--l1:#5BD196;--l1bg:#173326;--warn:#F2C060;--warnbg:#3A2E12;--bad:#FF8A7E;--badbg:#3D1D1A;
  --heat1:#2A2618;--heat2:#3B3018;--heat3:#4E3816;--info:#9DB7DD;--infobg:#1E2A3B;--shadow:none}}
:root[data-theme="dark"]{
  --bg:#0F151D;--surface:#17202B;--surface2:#1F2A37;--ink:#E6EBF1;--ink2:#A2AEBD;--ink3:#6F7C8C;--line:#2B3746;
  --brand:#6EA8F0;--brand2:#1C2E46;--l1:#5BD196;--l1bg:#173326;--warn:#F2C060;--warnbg:#3A2E12;--bad:#FF8A7E;--badbg:#3D1D1A;
  --heat1:#2A2618;--heat2:#3B3018;--heat3:#4E3816;--info:#9DB7DD;--infobg:#1E2A3B;--shadow:none}
:root{box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 var(--font);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
.num{font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
a{color:var(--brand)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* top bar */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.topin{display:flex;align-items:center;gap:12px;padding:10px 20px;max-width:1500px;margin:0 auto}
.logo{font-weight:700;letter-spacing:-.01em;font-size:17px;display:flex;align-items:center;gap:8px;cursor:pointer;white-space:nowrap}
.logo i{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:5px;background:var(--brand);color:#fff;font-style:normal;font-size:13px}
.crumb{color:var(--ink2);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;flex:1}
.crumb b{color:var(--ink);font-weight:600}
.mode{font-size:12px;color:var(--ink3);white-space:nowrap}
.tabs{display:flex;gap:2px;padding:0 14px;max-width:1500px;margin:0 auto;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{border:0;background:none;padding:10px 12px 11px;font-size:14px;color:var(--ink2);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap;display:flex;gap:6px;align-items:center}
.tab:hover{color:var(--ink)}
.tab.on{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}
.cnt{font-size:11px;background:var(--surface2);color:var(--ink2);border-radius:10px;padding:0 6px;font-weight:600}
.cnt.bad{background:var(--badbg);color:var(--bad)}

main{max-width:1500px;margin:0 auto;padding:20px}
h1{font-size:24px;line-height:1.25;margin:0 0 4px;letter-spacing:-.015em}
h2{font-size:17px;margin:0 0 10px;letter-spacing:-.005em}
h3{font-size:15px;margin:0 0 8px}
.sub{color:var(--ink2);font-size:14px;margin:0}
.muted{color:var(--ink2)}
.small{font-size:13px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spread{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.panel+.panel{margin-top:16px}
.flush{padding:0;overflow:hidden}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);padding:7px 12px;border-radius:5px;cursor:pointer;font-size:14px;font-weight:500;white-space:nowrap}
.btn:hover{border-color:var(--ink3)}
.btn.pri{background:var(--brand);border-color:var(--brand);color:#fff}
:root[data-theme="dark"] .btn.pri{color:#0F151D}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn.pri{color:#0F151D}}
.btn.ghost{border-color:transparent;background:none;color:var(--brand)}
.btn.danger{color:var(--bad)}
.btn.sm{padding:4px 9px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:5px;overflow:hidden;background:var(--surface)}
.seg button{border:0;background:none;padding:6px 11px;font-size:13px;cursor:pointer;color:var(--ink2);white-space:nowrap}
.seg button+button{border-left:1px solid var(--line)}
.seg button.on{background:var(--brand2);color:var(--brand);font-weight:600}
select.sel,input.inp,textarea.inp{border:1px solid var(--line);background:var(--surface);border-radius:5px;padding:7px 9px;font-size:14px;width:100%}
select.sel{width:auto}
textarea.inp{min-height:70px;resize:vertical}
label.fld{display:block;font-size:13px;color:var(--ink2);margin-bottom:10px}
label.fld>span{display:block;margin-bottom:3px}
.chk{display:inline-flex;gap:6px;align-items:center;font-size:14px;cursor:pointer}

/* chips & flags */
.chip{display:inline-flex;align-items:center;gap:4px;font-size:12px;line-height:1.3;padding:2px 7px;border-radius:10px;background:var(--surface2);color:var(--ink2);white-space:nowrap;font-weight:500}
.chip.bad{background:var(--badbg);color:var(--bad)}
.chip.warn{background:var(--warnbg);color:var(--warn)}
.chip.info{background:var(--infobg);color:var(--info)}
.chip.ok{background:var(--l1bg);color:var(--l1)}
.chip.brand{background:var(--brand2);color:var(--brand)}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;vertical-align:middle}
.dot.bad{background:var(--bad)}.dot.warn{background:var(--warn)}.dot.info{background:var(--info)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:16px}
.stat{background:var(--surface);padding:12px 14px}
.stat .k{font-size:13px;color:var(--ink2)}
.stat .v{font-size:21px;font-weight:600;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.stat .d{font-size:12px;color:var(--ink3)}

/* ranking bars */
.rank{display:grid;gap:8px;font-size:14px}
.rk{display:grid;grid-template-columns:minmax(110px,170px) 1fr auto;gap:4px 12px;align-items:center}
.bar{height:20px;background:var(--surface2);border-radius:3px;position:relative;overflow:hidden}
.bar>span{position:absolute;inset:0 auto 0 0;background:var(--ink3);opacity:.35;border-radius:3px}
.bar.l1>span{background:var(--l1);opacity:.75}
.bar .tgt{position:absolute;top:-2px;bottom:-2px;width:2px;background:var(--brand)}

/* tables */
.tw{overflow:auto;-webkit-overflow-scrolling:touch;max-width:100%}
table.t{border-collapse:separate;border-spacing:0;width:100%;font-size:13.5px}
.t th{position:sticky;top:0;z-index:2;background:var(--surface2);text-align:left;font-weight:600;font-size:12.5px;color:var(--ink2);padding:7px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
.t td{padding:6px 8px;border-bottom:1px solid var(--line);vertical-align:top;background:var(--surface)}
.t tr:hover td{background:var(--surface2)}
.t tr.grp td{background:var(--brand2);font-weight:600;color:var(--brand);font-size:13px}
.t tfoot td{font-weight:600;background:var(--surface2);border-top:1px solid var(--line)}
.t .sl{color:var(--ink3);width:1%}
.clip{max-width:340px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}

/* comparison grid — the centrepiece */
.cs{font-family:var(--cond);font-size:13.5px}
.cs th.v{text-align:center;border-left:1px solid var(--line);min-width:118px}
.cs th.v .vn{font-family:var(--font);color:var(--ink);font-size:13px;display:block}
.cs th.v .vr{font-weight:500;font-size:12px}
.cs td.c{border-left:1px solid var(--line);text-align:right;cursor:pointer;position:relative;font-variant-numeric:tabular-nums;white-space:nowrap;min-width:118px}
.cs td.c .mk{display:block;font-size:11.5px;color:var(--ink3);text-align:right;overflow:hidden;text-overflow:ellipsis;max-width:150px;margin-left:auto}
.modal td .small{overflow-wrap:anywhere}
.cs td.c .pc{font-size:11px;color:var(--ink3);margin-left:4px}
.cs td.c.h1{background:var(--heat1)}.cs td.c.h2{background:var(--heat2)}.cs td.c.h3{background:var(--heat3)}
.cs td.c.l1{background:var(--l1bg);color:var(--l1);font-weight:600}
.cs td.c.nq{color:var(--bad);background:var(--badbg);text-align:center}
.cs td.c .fl{position:absolute;top:5px;left:6px;display:flex;gap:2px}
.cs td.fix,.cs th.fix{position:sticky;left:0;z-index:1}
.cs th.fix{z-index:3}
.cs td.fix{max-width:260px;min-width:200px;box-shadow:1px 0 0 var(--line)}
.cs td.fix .it{font-family:var(--font);font-size:13px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cs td.fix .q{font-size:12px;color:var(--ink3)}
.cs tfoot td{font-family:var(--font);text-align:right}
.cs tfoot td.fix{text-align:left}
.cs tfoot tr.gt td{font-size:14.5px;color:var(--ink)}
.cs tfoot td.best{color:var(--l1)}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--ink2);align-items:center}
.sw{display:inline-block;width:14px;height:12px;border-radius:2px;vertical-align:-1px;margin-right:4px;border:1px solid var(--line)}

/* drawer & modal */
.scrim{position:fixed;inset:0;background:rgba(10,16,24,.45);z-index:50;display:none}
.scrim.on{display:block}
.modal{position:fixed;z-index:51;left:50%;top:50%;transform:translate(-50%,-50%);width:min(760px,calc(100vw - 24px));max-height:calc(100% - 40px - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px));overflow:auto;background:var(--surface);border-radius:8px;border:1px solid var(--line);display:none;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal.on{display:block}
.modal.wide{width:min(1180px,calc(100vw - 24px))}
.mh{position:sticky;top:0;background:var(--surface);padding:14px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;align-items:flex-start;z-index:4}
.mh h2{margin:0}
.mb{padding:16px 18px}
.mf{position:sticky;bottom:0;background:var(--surface);padding:12px 18px;border-top:1px solid var(--line);display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.x{border:0;background:none;font-size:22px;line-height:1;cursor:pointer;color:var(--ink2);padding:2px 6px}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:6px;font-size:14px;z-index:60;opacity:0;transition:opacity .2s;pointer-events:none;max-width:90vw}
.toast.on{opacity:1}
.empty{text-align:center;padding:48px 20px;color:var(--ink2)}
.empty h2{color:var(--ink)}
.steps{display:flex;gap:0;flex-wrap:wrap;margin:6px 0 2px}
.step{font-size:13px;padding:5px 12px 5px 18px;background:var(--surface2);color:var(--ink2);clip-path:polygon(0 0,calc(100% - 8px) 0,100% 50%,calc(100% - 8px) 100%,0 100%,8px 50%);margin-right:-4px}
.step:first-child{clip-path:polygon(0 0,calc(100% - 8px) 0,100% 50%,calc(100% - 8px) 100%,0 100%);padding-left:12px}
.step.done{background:var(--l1bg);color:var(--l1)}
.step.now{background:var(--brand);color:#fff;font-weight:600}
.list{list-style:none;margin:0;padding:0}
.list li{padding:9px 0;border-bottom:1px solid var(--line)}
.list li:last-child{border-bottom:0}
.issue{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:start;padding:8px 0;border-bottom:1px solid var(--line)}
.issue:last-child{border-bottom:0}
.kv{display:grid;grid-template-columns:150px 1fr;gap:4px 12px;font-size:14px}
.kv dt{color:var(--ink2)}.kv dd{margin:0}
.drop{border:2px dashed var(--line);border-radius:8px;padding:26px;text-align:center;color:var(--ink2);cursor:pointer}
.drop:hover,.drop.over{border-color:var(--brand);background:var(--brand2)}
.note{font-size:13px;background:var(--infobg);color:var(--info);padding:9px 12px;border-radius:5px}
.hide{display:none!important}
@media (max-width:700px){
  main{padding:14px}
  .topin{padding:9px 14px}
  h1{font-size:20px}
  .kv{grid-template-columns:1fr}
  .kv dt{margin-top:6px}
  .cs td.fix{min-width:150px;max-width:170px}
  .mode{display:none}
  .rk{grid-template-columns:1fr auto}
  .rk .bar{grid-column:1/-1;grid-row:2;height:12px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* server edition additions */
.logo img{width:26px;height:26px;object-fit:contain;border-radius:5px}
.logo.big{font-size:22px;justify-content:center;margin-bottom:4px}
.logo.big i,.logo.big img{width:36px;height:36px;font-size:17px}
a.logo{color:var(--ink);text-decoration:none}
.usr{display:flex;gap:4px;align-items:center;font-size:13px;white-space:nowrap}
.usr a{color:var(--ink2);text-decoration:none;padding:4px 8px;border-radius:4px}
.usr a:hover{background:var(--surface2);color:var(--ink)}
.usr .who{color:var(--ink);font-weight:600}
a.tab{text-decoration:none}
body.login{display:grid;place-items:center;min-height:100%;padding:20px}
html{height:100%}
.loginbox{width:min(400px,100%);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:26px;box-shadow:var(--shadow)}
.loginbox .sub{text-align:center;margin-bottom:16px}
.alert{background:var(--badbg);color:var(--bad);padding:9px 12px;border-radius:5px;font-size:14px;margin-bottom:12px}
.alert.good{background:var(--l1bg);color:var(--l1)}
body.readonly .drop{display:none}
@media (max-width:700px){.usr .who,.usr .acct{display:none}}
/* round 2: theme options, help centre, admin extras */
body.hdr-brand .top{background:var(--brand);border-bottom-color:transparent}
body.hdr-brand .top .logo,body.hdr-brand .top .crumb,body.hdr-brand .top .crumb b,body.hdr-brand .top .mode,body.hdr-brand .usr .who{color:#fff}
body.hdr-brand .top .logo i{background:#fff;color:var(--brand)}
body.hdr-brand .usr a,body.hdr-brand .top .tab{color:rgba(255,255,255,.82)}
body.hdr-brand .usr a:hover{background:rgba(255,255,255,.15);color:#fff}
body.hdr-brand .top .tab.on{color:#fff;border-bottom-color:#fff}
body.hdr-brand .top .btn{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.35);color:#fff}
.swatches{display:flex;flex-wrap:wrap;gap:8px}
.swatch{display:flex;align-items:center;gap:6px;font-size:13px;border:1px solid var(--line);border-radius:5px;padding:5px 9px;cursor:pointer}
.swatch input{margin:0}
.swatch span{width:18px;height:18px;border-radius:4px;display:inline-block}
code{font-family:ui-monospace,Consolas,monospace;font-size:.9em;background:var(--surface2);padding:1px 5px;border-radius:3px}
.help{display:grid;grid-template-columns:minmax(200px,250px) minmax(0,1fr);gap:20px;align-items:start}
.help nav{position:sticky;top:120px}
.help nav a{display:block;padding:7px 10px;border-radius:5px;color:var(--ink2);text-decoration:none;font-size:14px}
.help nav a.on{background:var(--brand2);color:var(--brand);font-weight:600}
.doc{max-width:78ch;line-height:1.6}
.doc h1{font-size:26px;margin-bottom:12px}.doc h2{font-size:19px;margin:28px 0 8px;padding-top:10px;border-top:1px solid var(--line)}.doc h3{font-size:16px;margin:20px 0 6px}
.doc pre{background:var(--surface2);padding:12px 14px;border-radius:6px;overflow:auto;font-size:13px}
.doc pre code{background:none;padding:0}
.doc table{border-collapse:collapse;margin:10px 0;font-size:14px;display:block;overflow-x:auto}
.doc th,.doc td{border:1px solid var(--line);padding:6px 9px;text-align:left;vertical-align:top}
.doc th{background:var(--surface2)}
.doc li{margin:3px 0}
.doc blockquote{margin:12px 0;padding:8px 14px;border-left:3px solid var(--brand);background:var(--brand2)}
@media (max-width:800px){.help{grid-template-columns:1fr}.help nav{position:static;display:flex;flex-wrap:wrap;gap:4px}}