:root{
  --bg:#E9F5F6; --ink:#0C3440; --ink2:#46666F; --line:#B9D6DB;
  --btn:#0C3440; --btnink:#FFFFFF; --accent:#E39A1F;
  --right:#C23B2A; --left:#2457B5; --ok:#1C7C6B; --warn:#C9831A; --focus:#2457B5;
  --ring:#BCD9DD; --core:#D3ECEF; --panel:#F6FBFB;
  --display:"Bricolage Grotesque","IBM Plex Sans Arabic",system-ui,sans-serif;
  --body:"IBM Plex Sans Arabic",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0A232A; --ink:#E4F3F5; --ink2:#9CBBC2; --line:#24505A;
    --btn:#9FE1E7; --btnink:#0A232A; --accent:#F2B544;
    --right:#FF8672; --left:#86AEFF; --ok:#5FD1B9; --warn:#F2B544; --focus:#9FE1E7;
    --ring:#24505A; --core:#123D47; --panel:#0F323B;
  }
}
:root[data-theme="dark"]{
  --bg:#0A232A; --ink:#E4F3F5; --ink2:#9CBBC2; --line:#24505A;
  --btn:#9FE1E7; --btnink:#0A232A; --accent:#F2B544;
  --right:#FF8672; --left:#86AEFF; --ok:#5FD1B9; --warn:#F2B544; --focus:#9FE1E7;
  --ring:#24505A; --core:#123D47; --panel:#0F323B;
}
html{scroll-padding-top:env(safe-area-inset-top,0px);}
*,*::before,*::after{box-sizing:border-box}
html[lang="ar"] *{letter-spacing:0 !important}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-text-size-adjust:100%}
.wrap{max-width:620px;margin:0 auto;padding:16px 20px 36px}
header{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:9px;font:700 1.1rem var(--display);letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.brand-logo{display:block;flex-shrink:0;width:44px;height:44px;object-fit:contain;border-radius:8px;background:#fff}
h1,h2,h3{font-family:var(--display);margin:0;line-height:1.1;letter-spacing:-.02em;color:var(--ink)}
h1{font-size:clamp(2.1rem,9vw,3.2rem);font-weight:700;margin:6px 0 12px}
h2{font-size:1.7rem;font-weight:700;margin:4px 0 10px}
h3{font-size:1.1rem;font-weight:700;margin:26px 0 8px;letter-spacing:-.01em}
html[lang="ar"] h1,html[lang="ar"] h2,html[lang="ar"] h3{font-family:var(--body);line-height:1.3}
h1:focus,h2:focus{outline:none}
p{margin:0 0 12px}
.lead{font-size:1.1rem;max-width:34em;color:var(--ink)}
.muted{color:var(--ink2);font-size:.95rem}
.note{color:var(--ink2);font-size:.9rem;margin-top:18px}
button{font-family:var(--body)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 24px;border-radius:14px;border:2px solid var(--btn);background:var(--btn);color:var(--btnink);font-size:1rem;font-weight:600;cursor:pointer;text-decoration:none;text-align:center}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.small{min-height:40px;padding:0 14px;font-size:.9rem;border-radius:10px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.block{width:100%}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
.tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border:1.5px solid var(--line);border-radius:999px;margin:16px 0 22px}
.tabs button{min-height:44px;border:0;border-radius:999px;background:transparent;color:var(--ink);font-size:.98rem;font-weight:600;cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--btn);color:var(--btnink)}
.tabs button:disabled{opacity:.5;cursor:not-allowed}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.checks li{padding-inline-start:18px;border-inline-start:3px solid var(--accent)}
/* Stage */
.stage{position:relative;aspect-ratio:1;margin:16px auto;width:min(60vw,230px)}
.stage.lg{width:min(74vw,290px)}
.ring{position:absolute;border-radius:50%;border:2.5px solid var(--ring);transition:border-color .15s}
.r1{inset:0}.r2{inset:11%}.r3{inset:22%}.r4{inset:33%}
.core{position:absolute;inset:34%;border-radius:50%;background:var(--core);display:grid;place-items:center;font:700 clamp(2rem,10vw,3.2rem)/1 var(--display);color:var(--ink);transition:background .15s}
.stage.on .ring{border-color:var(--accent);animation:swell .8s ease-out both}
.stage.on .r4{animation-delay:0s}.stage.on .r3{animation-delay:.07s}.stage.on .r2{animation-delay:.14s}.stage.on .r1{animation-delay:.21s}
.stage.on .core{background:var(--accent);color:#1d1400}
@keyframes swell{0%{transform:scale(.88);opacity:.3}100%{transform:scale(1);opacity:1}}
@media (prefers-reduced-motion: reduce){.stage.on .ring{animation:none}}
.stagemsg{text-align:center;font-size:1.2rem;font-weight:600;min-height:2em;margin:0 0 14px}
.toprow{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.earinfo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.1rem}
.earinfo .f{color:var(--ink2);font-weight:500}
.segs{display:grid;grid-template-columns:repeat(10,1fr);gap:4px;margin-bottom:6px}
.seg{height:6px;border-radius:3px;background:var(--line)}
.seg.done{background:var(--btn)}.seg.cur{background:var(--accent)}
.answers{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.answers .btn{min-height:64px;font-size:1.1rem}
.answers .none{grid-column:1/-1;min-height:50px;font-size:1rem}
.row{display:flex;gap:10px;flex-wrap:wrap;margin:8px 0}
/* Results */
.verdict{border-inline-start:6px solid var(--ok);background:var(--panel);padding:16px 18px;border-radius:6px 14px 14px 6px;margin:12px 0 18px}
html[dir="rtl"] .verdict{border-radius:14px 6px 6px 14px}
.verdict.check{border-inline-start-color:var(--warn)}
.verdict h2{font-size:1.45rem;margin:0 0 8px}
.verdict ul{margin:0 0 10px;padding-inline-start:20px}
.verdict li{margin-bottom:6px}
.legend{display:flex;gap:18px;align-items:center;margin:6px 0 4px;font-weight:600;font-size:.95rem}
.legend span{display:inline-flex;align-items:center;gap:7px}
.chart{width:100%;height:auto;display:block;direction:ltr}
.gl{stroke:var(--line);stroke-width:1}
.gl0{stroke:var(--ink2);stroke-width:1.5;stroke-dasharray:4 3}
.tx{fill:var(--ink2);font:12px var(--body)}
.lnR{fill:none;stroke:var(--right);stroke-width:2}
.lnL{fill:none;stroke:var(--left);stroke-width:2;stroke-dasharray:6 4}
.mkR{fill:var(--bg);stroke:var(--right);stroke-width:2.5}
.mkL{stroke:var(--left);stroke-width:2.5;stroke-linecap:round}
.nhR{fill:var(--right)}.nhL{fill:var(--left)}
.dim{opacity:.5}
.cap{font-size:.9rem;color:var(--ink2);margin:4px 0 10px}
details{margin:10px 0}
summary{cursor:pointer;font-weight:600;min-height:44px;display:flex;align-items:center}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:center}
th:first-child,td:first-child{text-align:start}
/* Safe listening */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 18px}
.chip{min-height:40px;padding:0 14px;border-radius:999px;border:1.5px solid var(--line);background:transparent;color:var(--ink);font-size:.92rem;font-weight:500;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--btn);color:var(--btnink);border-color:var(--btn)}
.ctl{margin:0 0 18px}
.ctl label{display:flex;justify-content:space-between;align-items:baseline;font-weight:600;margin-bottom:4px}
.ctl output{font:700 1.15rem var(--display);color:var(--ink)}
input[type=range]{width:100%;height:36px;accent-color:var(--btn);background:transparent}
.out{border-top:2px solid var(--line);padding-top:16px;margin-top:6px}
.big{font:700 clamp(2rem,9vw,2.8rem)/1.05 var(--display);letter-spacing:-.02em;margin:2px 0 14px}
html[lang="ar"] .big{font-family:var(--body)}
.bar{height:14px;border-radius:7px;background:var(--line);overflow:hidden;margin:6px 0}
.bar i{display:block;height:100%;border-radius:7px;background:var(--ok);width:0;transition:width .25s}
.mic{border:1.5px solid var(--line);border-radius:14px;padding:16px;margin:4px 0 22px;background:var(--panel)}
.mic h3{margin:0 0 6px}
.mic .readout{display:flex;align-items:baseline;gap:8px;margin:10px 0 6px}
.mic .num{font:700 3.2rem/1 var(--display);letter-spacing:-.02em;min-width:2ch}
.mic .gauge{height:12px;border-radius:6px;background:var(--line);overflow:hidden}
.mic .gauge i{display:block;height:100%;width:0;background:var(--ok);transition:width .12s,background .12s}
.mic .stats{display:flex;gap:28px;margin:12px 0;font-size:.95rem;color:var(--ink2)}
.mic .stats b{display:block;font:700 1.35rem var(--display);color:var(--ink)}
.mic input[type=number]{width:96px;min-height:40px;border:1.5px solid var(--line);border-radius:10px;background:transparent;color:var(--ink);font:inherit;padding:0 10px}
.err{color:var(--right);font-weight:600;margin:6px 0 0}
.err:empty{display:none}
.tabs{display:flex;grid-template-columns:none;gap:4px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.tabs::-webkit-scrollbar{display:none}
.tabs button{flex:1 0 auto;padding:0 16px;white-space:nowrap}
.fld{margin:0 0 14px}
.fld label{display:block;font-weight:600;margin-bottom:4px}
.fld input{width:100%;min-height:48px;border:1.5px solid var(--line);border-radius:12px;background:var(--panel);color:var(--ink);font:inherit;padding:0 14px}
.pwrow{display:flex;gap:8px}
.pwrow input{flex:1;min-width:0}
.chk{display:flex;gap:10px;align-items:flex-start;margin:0 0 10px;cursor:pointer}
.chk input{width:22px;height:22px;margin:2px 0 0;flex:0 0 auto;accent-color:var(--btn)}
.linkbtn{background:none;border:0;color:var(--ink);font:inherit;font-weight:700;text-decoration:underline;cursor:pointer;padding:6px 2px;min-height:40px}
.ok{color:var(--ok);font-weight:600;margin:6px 0 10px}
.ok:empty{display:none}
.plan{border:1.5px solid var(--line);border-radius:14px;padding:16px;margin:16px 0 24px;background:var(--panel)}
.plan.on{border-color:var(--ok)}
.plan h3{margin:0 0 6px}
.perks{margin:0 0 12px;padding-inline-start:20px}
.entry{border-bottom:1px solid var(--line);padding-bottom:6px}
.entry summary{display:flex;justify-content:space-between;align-items:center;gap:10px}
.tagv{font-size:.85rem;font-weight:600;padding:3px 10px;border-radius:999px;border:1.5px solid var(--ok);color:var(--ink);white-space:nowrap}
.tagv.check{border-color:var(--warn)}
.tagv.mem{border-color:var(--accent)}
.danger{color:var(--right);border-color:var(--right)}
.stats4{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:14px 0 8px}
.stat{border-inline-start:4px solid var(--accent);padding:4px 12px}
.stat b{display:block;font:700 1.8rem/1.1 var(--display)}
.stat span{color:var(--ink2);font-size:.9rem}
.signprompt{border-inline-start:6px solid var(--accent);background:var(--panel);padding:12px 16px;margin:14px 0;border-radius:6px 12px 12px 6px}
html[dir="rtl"] .signprompt{border-radius:12px 6px 6px 12px}
.lockbox{border:1.5px dashed var(--line);border-radius:14px;padding:16px;margin:18px 0}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:.95rem;margin:8px 0 12px}
.kv dt{color:var(--ink2)}
.kv dd{margin:0;word-break:break-word}
.admbar{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
footer{margin-top:34px;padding-top:16px;border-top:1px solid var(--line);font-size:.9rem;color:var(--ink2)}
footer a{color:var(--ink)}

[hidden]{display:none !important}
html{-webkit-tap-highlight-color:transparent}
body{touch-action:manipulation;overscroll-behavior-y:none}
.netbar{background:var(--warn);color:#1d1400;font-weight:600;font-size:.9rem;padding:8px 14px;border-radius:10px;margin:10px 0}
#install{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;border:1.5px solid var(--line);background:var(--panel);border-radius:12px;padding:8px 12px;margin:10px 0;font-size:.92rem}
@media (max-width:360px){
  .wrap{padding:12px 12px 28px}
  h1{font-size:1.85rem} h2{font-size:1.4rem}
  .btn{padding:0 14px}
  .answers{gap:8px}
  .stats4{grid-template-columns:1fr}
}
@media (max-width:260px){
  body{font-size:15px}
  .brand span{display:none}
  .tabs button{padding:0 10px;font-size:.85rem}
  .stage,.stage.lg{width:min(70vw,160px)}
}
@media (display-mode: standalone){ body{user-select:none;-webkit-user-select:none} input,textarea{user-select:text;-webkit-user-select:text} }

.fld select{width:100%;min-height:48px;border:1.5px solid var(--line);border-radius:12px;background:var(--panel);color:var(--ink);font:inherit;padding:0 12px}
.steps{list-style:none;margin:10px 0 14px;padding:0;display:grid;gap:6px}
.steps li{display:flex;gap:10px;align-items:center;color:var(--ink2)}
.steps li.done{color:var(--ink);font-weight:600}
.steps li.done span{color:var(--ok)}