@font-face{font-family:"Vazirmatn";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/vazirmatn-arabic-400-normal.woff2) format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FEFC}
@font-face{font-family:"Vazirmatn";font-style:normal;font-weight:700;font-display:swap;src:url(fonts/vazirmatn-arabic-700-normal.woff2) format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FEFC}
:root{
  --navy:#0b3d6e; --navy-2:#134f8a; --green:#127a43; --red:#b3212f; --amber:#a86400;
  --bg:#f4f6f9; --card:#ffffff; --line:#d9dfe7; --ink:#18202a; --mut:#5a6573;
  --sel:#e7f0fb; --ok-bg:#e6f5ec; --bad-bg:#fbe9eb; --note-bg:#f6f8fb; --vig-bg:#fbfaf6;
  --font-en:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-fa:"Vazirmatn",Tahoma,"Segoe UI",sans-serif;
  --b-good:#127a43; --b-mid:#b26a00; --b-bad:#b3212f;
}
:root[data-theme="dark"]{
  --navy:#7fb2ea; --navy-2:#9cc4ef; --green:#5cc68a; --red:#ff8a93; --amber:#f0b45a;
  --bg:#11161d; --card:#1a212b; --line:#2d3743; --ink:#e6ebf1; --mut:#9aa6b4;
  --sel:#1f3350; --ok-bg:#16301f; --bad-bg:#3a1c20; --note-bg:#1e2631; --vig-bg:#1d232c;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --navy:#7fb2ea; --navy-2:#9cc4ef; --green:#5cc68a; --red:#ff8a93; --amber:#f0b45a;
    --bg:#11161d; --card:#1a212b; --line:#2d3743; --ink:#e6ebf1; --mut:#9aa6b4;
    --sel:#1f3350; --ok-bg:#16301f; --bad-bg:#3a1c20; --note-bg:#1e2631; --vig-bg:#1d232c;
  }
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-en);font-size:1rem;line-height:1.6;
     overflow-wrap:anywhere;word-break:normal}
html[lang="fa"] body{font-family:var(--font-fa);line-height:1.9}
img,canvas,svg{max-width:100%}
button{font:inherit;color:inherit}
p,li,div,span,b,td,th,button,h1,h2,h3{overflow-wrap:anywhere;min-width:0}

/* header */
.top{background:#0b3d6e;color:#fff;position:relative;z-index:5}
@media (min-width:48rem){.top{position:sticky;top:0}}
.top-in{max-width:68rem;margin:0 auto;padding:.6rem 1rem;display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .9rem}
.brand{flex:1 1 14rem;min-width:0}
.brand h1{font-size:1.05rem;margin:0;font-weight:700;line-height:1.35}
.brand .sub{font-size:.78rem;opacity:.85}
.tools{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}
.lang{display:inline-flex;border:1px solid rgba(255,255,255,.45);border-radius:.5rem;overflow:hidden}
.lang button{background:transparent;color:#fff;border:0;padding:.35rem .7rem;font-size:.85rem;cursor:pointer}
.lang button.on{background:#fff;color:#0b3d6e;font-weight:700}
.iconbtn{background:rgba(255,255,255,.14);border:0;color:#fff;border-radius:.5rem;padding:.35rem .6rem;cursor:pointer;font-size:.85rem}
nav.tabs{max-width:68rem;margin:0 auto;padding:0 1rem .55rem;display:flex;flex-wrap:wrap;gap:.35rem}
nav.tabs button{background:rgba(255,255,255,.13);color:#fff;border:0;padding:.42rem .85rem;border-radius:.45rem;font-size:.88rem;cursor:pointer}
nav.tabs button.on{background:#fff;color:#0b3d6e;font-weight:700}

main{max-width:68rem;margin:0 auto;padding:1rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:.6rem;padding:1rem 1.1rem;margin-bottom:.9rem;min-width:0}
h2{font-size:1.05rem;margin:0 0 .7rem;color:var(--navy);line-height:1.4}
h3{font-size:.95rem;margin:1rem 0 .5rem;color:var(--navy)}
.meta{font-size:.82rem;color:var(--mut);display:flex;flex-wrap:wrap;gap:.3rem 1rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,11.5rem),1fr));gap:.6rem}
.tile{display:block;width:100%;text-align:start;border:1px solid var(--line);border-radius:.55rem;padding:.7rem .85rem;
      background:var(--card);cursor:pointer;min-width:0}
.tile:hover{border-color:var(--navy)}
.tile b{display:block;color:var(--navy);font-size:.95rem}
.tile span{display:block;font-size:.8rem;color:var(--mut)}
.tile .score-good{color:var(--green);font-weight:700}
.tile .score-mid{color:var(--amber);font-weight:700}
.tile .score-bad{color:var(--red);font-weight:700}

.pill{display:inline-block;font-size:.74rem;padding:.08rem .55rem;border-radius:1rem;background:var(--note-bg);
      color:var(--mut);border:1px solid var(--line);margin:0 .25rem .25rem 0;max-width:100%}
html[dir="rtl"] .pill{margin:0 0 .25rem .25rem}

.vignette{background:var(--vig-bg);border:1px solid var(--line);border-radius:.55rem;padding:.8rem 1rem;margin:.4rem 0 .2rem;
          white-space:pre-line;font-size:.95rem}
details.vig summary{cursor:pointer;color:var(--navy);font-weight:600;padding:.2rem 0}
.qtext{font-size:1.02rem;font-weight:600;margin:.8rem 0 .7rem;white-space:pre-line}
.opt{display:flex;gap:.6rem;align-items:flex-start;width:100%;text-align:start;padding:.65rem .8rem;margin-bottom:.5rem;
     border:1px solid var(--line);border-radius:.5rem;background:var(--card);cursor:pointer;min-width:0}
.opt .lt{flex:0 0 auto;font-weight:700;color:var(--navy);min-width:1.4rem}
.opt .tx{flex:1 1 auto;min-width:0}
.opt:hover{border-color:var(--navy)}
.opt.sel{border-color:var(--navy);background:var(--sel)}
.opt.right{border-color:var(--green);background:var(--ok-bg)}
.opt.wrong{border-color:var(--red);background:var(--bad-bg)}
.opt[disabled]{cursor:default}
.ans{border-inline-start:4px solid var(--green);background:var(--ok-bg);padding:.75rem .95rem;border-radius:.4rem;margin-top:.8rem;white-space:pre-line}
.ref{border-inline-start:4px solid var(--navy);background:var(--note-bg);padding:.6rem .95rem;border-radius:.4rem;margin-top:.55rem;
     font-size:.9rem;white-space:pre-line}
.bar{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-top:.9rem}
.spacer{flex:1 1 auto}
.act{background:var(--navy-2);color:#fff;border:0;padding:.55rem 1rem;border-radius:.45rem;cursor:pointer;font-size:.92rem}
:root[data-theme="dark"] .act{color:#0d1520}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .act{color:#0d1520}}
.act.ghost{background:transparent;color:var(--navy);border:1px solid var(--navy)}
.act[disabled]{opacity:.45;cursor:default}
.flag{background:var(--card);border:1px solid var(--line);padding:.42rem .75rem;border-radius:.45rem;cursor:pointer;font-size:.86rem;color:var(--mut)}
.flag.on{border-color:var(--amber);color:var(--amber);font-weight:700}
.flag.hard.on{border-color:var(--red);color:var(--red)}
.prog{height:.4rem;background:var(--line);border-radius:.3rem;overflow:hidden;margin:.6rem 0 .2rem}
.prog i{display:block;height:100%;background:var(--navy-2);transition:width .25s}
html[dir="rtl"] .prog i{margin-inline-start:0}
.qnav{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.6rem}
.qnav button{min-width:2.1rem;padding:.25rem .4rem;border:1px solid var(--line);border-radius:.35rem;background:var(--card);cursor:pointer;font-size:.8rem}
.qnav button.cur{border-color:var(--navy);font-weight:700;color:var(--navy)}
.qnav button.ok{background:var(--ok-bg);border-color:var(--green)}
.qnav button.no{background:var(--bad-bg);border-color:var(--red)}
.qnav button.ans-d{background:var(--sel)}
.stats{display:flex;flex-wrap:wrap;gap:.8rem 1.6rem;margin:.6rem 0}
.stat b{display:block;font-size:1.45rem;color:var(--navy);line-height:1.2}
.stat span{font-size:.78rem;color:var(--mut)}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th,td{text-align:start;padding:.45rem .5rem;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--mut);font-weight:600;font-size:.76rem;text-transform:capitalize}
.good{color:var(--green);font-weight:700}.mid{color:var(--amber);font-weight:700}.bad{color:var(--red);font-weight:700}
.empty{color:var(--mut);text-align:center;padding:1.3rem 0}
.barrow{display:flex;align-items:center;gap:.6rem;margin:.35rem 0;flex-wrap:wrap}
.barrow .lbl{flex:1 1 12rem;min-width:0;font-size:.86rem}
.barrow .track{flex:2 1 10rem;height:.65rem;background:var(--line);border-radius:.4rem;overflow:hidden;min-width:6rem}
.barrow .track i{display:block;height:100%}
.barrow .val{flex:0 0 auto;font-size:.82rem;min-width:4.5rem;text-align:end}
.form{display:grid;gap:.6rem;max-width:24rem}
.form input{padding:.6rem .7rem;border:1px solid var(--line);border-radius:.45rem;background:var(--card);color:var(--ink);font:inherit;width:100%}
.err{color:var(--red);font-size:.88rem;min-height:1.2em}
.tip{font-size:.9rem;color:var(--mut)}
.guide li{margin-bottom:.35rem}
.result-q{border-top:1px solid var(--line);padding:.7rem 0}
.toast{position:fixed;inset-inline:1rem;bottom:1rem;max-width:30rem;margin:0 auto;background:#0b3d6e;color:#fff;padding:.6rem .9rem;
       border-radius:.5rem;font-size:.9rem;z-index:20;text-align:center}
@media (max-width:40rem){
  main{padding:.75rem}
  .card{padding:.85rem .85rem}
  .brand h1{font-size:.98rem}
  .act,.flag{padding:.5rem .75rem}
  .bar .spacer{display:none}
}

/* ---- phone friendliness ---- */
button,a,select,summary,label{touch-action:manipulation}
.act,.flag,.opt,.tile,nav.tabs button,.lang button,.iconbtn{min-height:44px}
.qnav button{min-height:40px;min-width:40px}
input,select,textarea{font-size:16px}
body{padding-bottom:env(safe-area-inset-bottom)}
.top-in{padding-left:max(1rem,env(safe-area-inset-left));padding-right:max(1rem,env(safe-area-inset-right))}
.foot{max-width:68rem;margin:0 auto;padding:.5rem 1rem 1.5rem;color:var(--mut);font-size:.75rem;text-align:center}
a.act{display:inline-flex;align-items:center;text-decoration:none}
.filelbl{display:inline-flex;align-items:center;cursor:pointer}
/* small bug icon in the header: separate from every other button */
.bugbtn{background:transparent;border:0;color:#fff;opacity:.7;width:28px;height:28px;padding:0;border-radius:50%;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;margin-inline-end:.6rem}
.bugbtn:hover,.bugbtn:focus-visible{opacity:1;background:rgba(255,255,255,.14)}
.bugbtn[hidden]{display:none}
/* forms */
.form{display:grid;gap:.75rem;max-width:30rem}
.form label{display:grid;gap:.3rem;font-size:.9rem;color:var(--mut)}
.form input,.form select,.form textarea,.inp{padding:.6rem .7rem;border:1px solid var(--line);border-radius:.45rem;background:var(--card);color:var(--ink);font:inherit;font-size:16px;width:100%;min-height:44px}
.inp{flex:1 1 14rem;width:auto}
.warnbox{border:1px solid var(--amber);background:var(--note-bg);padding:.7rem .9rem;border-radius:.5rem;margin:.6rem 0}
.gbtn{min-height:48px;margin:.8rem 0 .2rem}
.login h3{margin-top:1.2rem}
.tip.small{font-size:.8rem;margin-top:.8rem}
/* modal */
.modal{position:fixed;inset:0;background:rgba(10,20,30,.45);z-index:30;display:flex;align-items:flex-end;justify-content:center;padding:0}
.modal .sheet{background:var(--card);color:var(--ink);width:100%;max-width:34rem;max-height:92dvh;overflow:auto;border-radius:.9rem .9rem 0 0;padding:1rem 1.1rem calc(1rem + env(safe-area-inset-bottom))}
@media (min-width:40rem){.modal{align-items:center}.modal .sheet{border-radius:.9rem}}
/* learn tree */
.tree ul{list-style:none;margin:0;padding:0}
.tree ul ul{padding-inline-start:1.1rem;border-inline-start:1px dashed var(--line);margin-inline-start:.55rem}
.trow{display:flex;align-items:stretch;gap:.4rem;margin:.2rem 0}
.tog{flex:1 1 auto;display:flex;align-items:center;gap:.5rem;text-align:start;background:transparent;border:1px solid transparent;border-radius:.45rem;padding:.45rem .5rem;cursor:pointer;min-height:44px;min-width:0}
.tog:hover{background:var(--note-bg);border-color:var(--line)}
.tog .chev{flex:0 0 1.1rem;color:var(--navy);font-size:.9rem;text-align:center}
.tog .tt{flex:1 1 auto;min-width:0}
.tn[style*="--d:0"]>.trow .tt{font-weight:700;color:var(--navy)}
.tog .cnt{flex:0 0 auto;font-size:.72rem;color:var(--mut);background:var(--note-bg);border:1px solid var(--line);border-radius:1rem;padding:0 .45rem}
.lesbtn{flex:0 0 auto;background:var(--card);border:1px solid var(--navy);color:var(--navy);border-radius:.45rem;padding:0 .7rem;min-height:44px;cursor:pointer;font-size:.82rem}
.crumbs{font-size:.82rem;color:var(--mut);margin:.6rem 0 .2rem;display:flex;flex-wrap:wrap;gap:.3rem;align-items:center}
.crumbs a{color:var(--navy);text-decoration:none}
.crumbs .sep{opacity:.6}
.lesson-h{font-size:1.2rem;margin:.4rem 0 .8rem}
.md{font-size:.97rem}
.md p{margin:.5rem 0}
.md ul,.md ol{margin:.4rem 0;padding-inline-start:1.3rem}
.md li{margin:.25rem 0}
.md h4{color:var(--navy);margin:1rem 0 .4rem;font-size:1rem}
.md blockquote{margin:.6rem 0;padding:.5rem .9rem;border-inline-start:4px solid var(--navy);background:var(--note-bg);border-radius:.3rem}
.md code{background:var(--note-bg);padding:0 .25rem;border-radius:.2rem;font-size:.9em}
.md a{color:var(--navy-2)}
.md table{font-size:.86rem}
.md td,.md th{min-width:7rem}
.sublist{display:grid;gap:.5rem}
.subitem{display:block;border:1px solid var(--line);border-radius:.55rem;padding:.6rem .8rem;text-decoration:none;color:var(--ink);background:var(--card)}
.subitem:hover{border-color:var(--navy)}
.subitem b{display:block;color:var(--navy)}
.subitem span{display:block;font-size:.82rem;color:var(--mut);margin-top:.15rem}
/* results report */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,9.5rem),1fr));gap:.6rem;margin-top:.4rem}
.kpi{border:1px solid var(--line);border-radius:.6rem;padding:.6rem .8rem;background:var(--card)}
.kpi span{display:block;font-size:.76rem;color:var(--mut)}
.kpi b{display:block;font-size:1.55rem;line-height:1.25;color:var(--navy)}
.kpi b.good{color:var(--green)}.kpi b.mid{color:var(--amber)}.kpi b.bad{color:var(--red)}
.chartbox{position:relative}
.ch-grid{stroke:var(--line);stroke-width:1}
.ch-target{stroke:var(--mut);stroke-width:1.2;stroke-dasharray:5 4}
.ch-ax{fill:var(--mut);font-size:12px}
html[lang="fa"] .ch-ax{font-family:var(--font-fa)}
.ch-line{fill:none;stroke:var(--navy-2);stroke-width:2.2;stroke-linejoin:round;stroke-linecap:round}
.ch-dot{fill:var(--navy-2);stroke:var(--card);stroke-width:2}
.ch-cross{stroke:var(--mut);stroke-width:1}
.tipbox{position:absolute;top:.4rem;background:var(--card);border:1px solid var(--line);border-radius:.45rem;padding:.4rem .6rem;font-size:.8rem;box-shadow:0 4px 14px rgba(0,0,0,.12);width:150px;pointer-events:none}
.bars{display:grid;gap:.15rem}
.barrow .track{position:relative}
.barrow .track i.b-good{background:var(--b-good)}.barrow .track i.b-mid{background:var(--b-mid)}.barrow .track i.b-bad{background:var(--b-bad)}
.barrow .track i{border-radius:.4rem}
.barrow .track .t70{position:absolute;top:-2px;bottom:-2px;inset-inline-start:70%;width:0;border-inline-start:2px dashed var(--mut);opacity:.7}
.barrow .val{min-width:9rem}
.barrow .val small{color:var(--mut)}
.st{font-size:.75rem;font-weight:700;padding:0 .35rem;border-radius:.3rem;white-space:nowrap}
.st-good{color:var(--green)}.st-mid{color:var(--amber)}.st-bad{color:var(--red)}
.pill.st-good{color:var(--green)}.pill.st-mid{color:var(--amber)}.pill.st-bad{color:var(--red)}
.minilink,.lnk a,.linkbtn{font-size:.78rem;color:var(--navy-2);background:none;border:0;cursor:pointer;padding:.2rem .3rem;text-decoration:underline;min-height:32px}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,18rem),1fr));gap:1rem}
.sw{list-style:none;padding:0;margin:0}
.sw li{padding:.45rem 0;border-bottom:1px solid var(--line)}
.sw .lnk{display:block;margin-top:.2rem}
.plan{margin:.2rem 0;padding-inline-start:1.2rem}
.plan li{margin:.35rem 0}
details.tbl{margin-top:.5rem}
details.tbl summary{cursor:pointer;color:var(--mut);font-size:.82rem}
.usertext{white-space:pre-wrap;margin:.3rem 0}
.iconbtn{min-width:44px}
.tablewrap>table{min-width:28rem}
.md .tablewrap>table{min-width:32rem}
th{white-space:nowrap}
@media (max-width:40rem){
  .md .tablewrap>table.stack{min-width:0}
  .md table.stack tr:first-child{display:none}
  .md table.stack tr{display:block;border:1px solid var(--line);border-radius:.5rem;margin:.5rem 0;padding:.3rem .2rem}
  .md table.stack td{display:block;border:0;padding:.25rem .5rem;min-width:0}
  .md table.stack td::before{content:attr(data-label);display:block;font-size:.72rem;font-weight:700;color:var(--mut)}
}