:root{
  --bg:#f7f4fa; --surface:#fff; --ink:#151515; --muted:#6b6b6b; --line:#e6e1ea; --tint:#f1eaf4;
  --plum:#a6519b; --plum-ink:#8a3f80; --lime:#b5d357; --orange:#faaf44; --err:#b23a48;
  --shadow:0 1px 2px rgba(21,21,21,.05),0 18px 40px rgba(80,40,90,.10);
  --f-display:"Readex Pro","IBM Plex Sans Arabic",system-ui,sans-serif;
  --f-body:"IBM Plex Sans Arabic","Readex Pro","Segoe UI",Tahoma,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.6;
  padding:0 max(16px,env(safe-area-inset-right)) 0 max(16px,env(safe-area-inset-left))}
.wrap{max-width:620px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;padding:16px 0 28px;gap:16px}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2.5px solid var(--plum);outline-offset:3px;border-radius:10px}

.top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.mark{font-family:var(--f-display);font-weight:700;letter-spacing:.22em;direction:ltr}
.lang{border:1.5px solid var(--line);background:var(--surface);border-radius:99px;padding:5px 14px;cursor:pointer;font-size:.9rem}
.track{height:6px;border-radius:99px;background:var(--line);overflow:hidden}
.track i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--plum),var(--orange) 60%,var(--lime));transition:width .45s cubic-bezier(.2,.8,.2,1)}
[dir="rtl"] .track i{margin-inline-start:0}

.card{background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:clamp(20px,5vw,34px);
  display:flex;flex-direction:column;gap:18px;position:relative;overflow:hidden}
.screen{display:flex;flex-direction:column;gap:18px;animation:in .38s cubic-bezier(.2,.9,.25,1)}
.screen.back{animation-name:inb}
@keyframes in{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes inb{from{opacity:0;transform:translateY(-18px)}to{opacity:1;transform:none}}
.sponsors{width:100%;height:auto;display:block;border-radius:12px}
.kicker{font-size:.82rem;font-weight:600;color:var(--plum-ink);letter-spacing:.03em;display:flex;gap:8px;align-items:center}
.kicker .n{background:var(--tint);border-radius:99px;padding:1px 10px;font-variant-numeric:tabular-nums}
h1,h2{font-family:var(--f-display);margin:0;line-height:1.3}
h1{font-size:clamp(1.6rem,6vw,2.1rem)}
h2{font-size:clamp(1.25rem,5vw,1.55rem)}
.lead{margin:0;color:var(--muted)}
.facts{display:flex;flex-wrap:wrap;gap:8px}
.facts span{background:var(--bg);border-radius:99px;padding:5px 12px;font-size:.88rem}
.hint{margin:-8px 0 0;color:var(--muted);font-size:.92rem}

.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:600;font-size:.95rem}
.input{width:100%;border:1.5px solid var(--line);background:var(--bg);border-radius:14px;padding:14px 16px;font-size:1.05rem;transition:border-color .2s,background .2s}
.input:focus{border-color:var(--plum);background:var(--surface);outline:none}
.input.ltr{direction:ltr;text-align:start}
[dir="rtl"] .input.ltr{text-align:right}
.input.bad{border-color:var(--err)}
.err{color:var(--err);font-size:.9rem;min-height:1.3em;margin:0}
.suffix{position:relative}
.suffix .input{padding-inline-end:64px}
.suffix b{position:absolute;inset-inline-end:16px;top:50%;transform:translateY(-50%);color:var(--muted);font-weight:500;font-size:.9rem}

.opts{display:grid;gap:10px}
.opts.two{grid-template-columns:1fr 1fr}
.opt{display:flex;align-items:center;gap:12px;text-align:start;border:1.5px solid var(--line);background:var(--bg);border-radius:16px;padding:14px 16px;cursor:pointer;
  transition:border-color .15s,background .15s,transform .1s}
.opt:hover{border-color:#cdbfd4}
.opt:active{transform:scale(.99)}
.opt .dot{flex:none;width:22px;height:22px;border-radius:50%;border:2px solid #c9bfd0;display:grid;place-items:center;transition:all .15s}
.opt[aria-checked="true"]{border-color:var(--plum);background:var(--tint)}
.opt[aria-checked="true"] .dot{border-color:var(--plum);background:var(--plum)}
.opt[aria-checked="true"] .dot::after{content:"";width:8px;height:8px;border-radius:50%;background:#fff}
.opt small{display:block;color:var(--muted);font-size:.86rem;margin-top:2px}
.opt kbd{margin-inline-start:auto;font-family:var(--f-body);font-size:.75rem;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:0 6px}

.decl{background:var(--bg);border-radius:16px;padding:16px;font-size:.95rem;max-height:40vh;overflow:auto}
.check{display:flex;gap:12px;align-items:flex-start;cursor:pointer;font-weight:600}
.check input{width:22px;height:22px;accent-color:var(--plum);margin:2px 0 0;flex:none}

.review{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.rv{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 12px;padding:11px 14px;border-top:1px solid var(--line);align-items:center}
.rv:first-child{border-top:0}
.rv span{color:var(--muted);font-size:.85rem}
.rv b{font-weight:600;overflow-wrap:anywhere;white-space:pre-line}
.rv button{grid-row:1/3;grid-column:2;background:none;border:0;color:var(--plum-ink);font-weight:600;cursor:pointer;padding:6px}

.nav{display:flex;gap:10px;align-items:center;margin-top:auto;padding-top:6px}
.btn{border:0;border-radius:14px;padding:14px 22px;font-family:var(--f-display);font-weight:600;font-size:1.02rem;cursor:pointer;transition:transform .12s,filter .2s,opacity .2s}
.btn:active{transform:scale(.97)}
.btn.main{background:var(--ink);color:#fff;flex:1}
.btn.main:hover{filter:brightness(1.25)}
.btn.main:disabled{opacity:.35;cursor:not-allowed}
.btn.plum{background:var(--plum)}
.btn.ghost{background:none;color:var(--muted);padding-inline:10px}
.btn.ghost:disabled{visibility:hidden}
.enter{font-size:.8rem;color:var(--muted);text-align:center;margin:0}

.done{align-items:center;text-align:center;justify-content:center;flex:1}
.tick{width:84px;height:84px;border-radius:50%;background:var(--lime);display:grid;place-items:center;animation:pop .5s cubic-bezier(.2,.9,.25,1.4)}
.tick svg{width:40px;height:40px}
.tick path{stroke:#151515;stroke-width:3.2;fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:40;stroke-dashoffset:40;animation:draw .5s .25s forwards}
@keyframes pop{from{transform:scale(.4);opacity:0}to{transform:none;opacity:1}}
@keyframes draw{to{stroke-dashoffset:0}}
.trial{background:#fff6e6;border:1px dashed var(--orange);color:#7a4f06;border-radius:12px;padding:8px 12px;font-size:.85rem;margin:0}
.foot{text-align:center;color:var(--muted);font-size:.8rem;margin:0}
.blob{position:absolute;border-radius:50%;pointer-events:none;opacity:.12}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* Added for the platform: long answers, multiple choice, saving state, resume link, part screens. */
textarea.input{min-height:140px;resize:vertical;line-height:1.6}
.count{font-size:.8rem;color:var(--muted);margin:-10px 0 0;text-align:end}
.opt.box .dot{border-radius:7px}
.opt.box[aria-checked="true"] .dot::after{width:10px;height:6px;border-radius:0;background:none;border:2.5px solid #fff;border-top:0;border-inline-end:0;transform:rotate(-45deg) translate(1px,-1px)}
[dir="rtl"] .opt.box[aria-checked="true"] .dot::after{border-inline-end:2.5px solid #fff;border-inline-start:0;transform:rotate(45deg) translate(-1px,-1px)}
.opts.grid{grid-template-columns:1fr 1fr}
@media (max-width:420px){.opts.grid{grid-template-columns:1fr}}
.saved{font-size:.8rem;color:var(--muted);min-height:1.2em;margin:0;text-align:center}
.saved.bad{color:var(--err)}
.linkbox{display:flex;gap:8px;align-items:stretch}
.linkbox input{flex:1;min-width:0;font-size:.85rem}
.btn.small{padding:10px 14px;font-size:.9rem}
.btn.line{background:var(--surface);border:1.5px solid var(--line);color:var(--ink)}
.btn.wa{background:#1f8f4e;color:#fff}
.row{display:flex;gap:10px;flex-wrap:wrap}
.part{font-family:var(--f-display);font-weight:600;color:var(--plum-ink)}
.note{background:var(--tint);border-radius:14px;padding:12px 14px;font-size:.92rem;margin:0}
.sub-q{display:flex;flex-direction:column;gap:6px}
.sub-q label{font-weight:600;font-size:.95rem}

.captcha { margin: 6px 0 0; }