:root{
  --bg:#F2F4EF; --surface:#FFFFFF; --sunk:#E8ECE5; --ink:#14201A; --muted:#58675E; --line:#D6DDD4;
  --green:#0B6B45; --green-ink:#FFFFFF; --green-soft:#DDEEE4;
  --gold:#A57C00; --gold-soft:#F7EBC0; --gold-ink:#3D2E00; --on-gold:#FFFFFF;
  --ok:#1C7F46; --ok-soft:#DDF1E4; --bad:#B3261E; --bad-soft:#F8DEDB;
  --radius:10px;
  --f-display:"Reem Kufi","IBM Plex Sans Arabic",Tahoma,sans-serif;
  --f-body:"IBM Plex Sans Arabic",Tahoma,"Segoe UI",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    color-scheme:dark;
    --bg:#0E1512; --surface:#16201B; --sunk:#111A16; --ink:#E6EDE8; --muted:#98A89F; --line:#28352E;
    --green:#3DBE7D; --green-ink:#05180F; --green-soft:#16372A;
    --gold:#E3B72E; --gold-soft:#3A3112; --gold-ink:#F7E7B3; --on-gold:#1A1403;
    --ok:#4CC27E; --ok-soft:#153324; --bad:#F2867D; --bad-soft:#3B1917;
  }
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.7;padding-inline:16px;padding-block:0 48px}
.wrap{max-width:1040px;margin-inline:auto}
.narrow{max-width:520px;margin-inline:auto}
h1,h2,h3{font-family:var(--f-display);line-height:1.3;text-wrap:balance;margin:0}
p{margin:0}
a{color:var(--green)}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.note{font-size:.82rem;color:var(--muted)}
.stack{display:flex;flex-direction:column;gap:16px}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* header */
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:16px;border-bottom:1px solid var(--line);margin-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--f-display);font-size:1.5rem;color:var(--ink);text-decoration:none}
.brand-mark{width:34px;height:34px;border-radius:8px;background:var(--green);color:var(--green-ink);display:grid;place-items:center;font-size:1.1rem}
.nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.nav form{margin:0}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;padding:3px 10px;border-radius:99px;background:var(--gold-soft);color:var(--gold-ink);font-weight:600}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.bad{background:var(--bad-soft);color:var(--bad)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:8px;padding:10px 18px;font-weight:600;text-decoration:none;transition:transform .12s,background .12s;line-height:1.4}
.btn:active{transform:translateY(1px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:default;pointer-events:none}
.btn-primary{background:var(--green);color:var(--green-ink)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--sunk)}
.btn-gold{background:var(--gold);color:var(--on-gold)}
.btn-sm{padding:6px 12px;font-size:.9rem}
.btn-block{width:100%}

/* messages */
.msgs{display:flex;flex-direction:column;gap:8px;margin-block:12px}
.msg{font-size:.93rem;padding:10px 14px;border-radius:8px;background:var(--sunk)}
.msg.success{background:var(--ok-soft);color:var(--ok)}
.msg.error{background:var(--bad-soft);color:var(--bad)}
.msg.warning,.msg.info{background:var(--gold-soft);color:var(--gold-ink)}

/* cards & forms */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h2{font-size:1.25rem;margin-bottom:10px}
.card h3{font-size:1.08rem;margin-bottom:6px}
.card .k{font-size:.78rem;color:var(--gold);font-weight:700;margin-bottom:4px}
.field{display:flex;flex-direction:column;gap:4px;margin-bottom:14px}
.field label{font-size:.88rem;font-weight:600}
.field input,.field select,.field textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);width:100%}
.field .err,.errorlist{color:var(--bad);font-size:.85rem;margin:0;padding:0;list-style:none}
.field .help{font-size:.8rem;color:var(--muted)}
.radio-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.radio-cards label{display:flex;gap:8px;align-items:center;padding:12px;border:1.5px solid var(--line);border-radius:10px;background:var(--bg);cursor:pointer;font-weight:600}
.radio-cards label:has(input:checked){border-color:var(--green);background:var(--green-soft)}
.radio-cards input{accent-color:var(--green)}
.radio-cards ul,.radio-cards div{display:contents}

/* home */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding-block:36px 24px}
.hero h1{font-size:clamp(1.9rem,4.4vw,2.8rem)}
.hero h1 em{font-style:normal;color:var(--green)}
.hero .lead{color:var(--muted);font-size:1.06rem;max-width:34em;margin-top:14px}
.sheet{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 10px 30px -18px rgba(0,0,0,.35)}
.sheet .meta{display:flex;justify-content:space-between;font-size:.82rem;color:var(--muted);margin-bottom:10px}
.sheet .q{font-weight:600;margin-bottom:10px;font-size:.96rem}
.mini-opt{display:flex;gap:10px;align-items:center;padding:6px 10px;border:1px solid var(--line);border-radius:8px;margin-top:6px;font-size:.9rem}
.mini-opt .box{width:16px;height:16px;border:2px solid var(--muted);border-radius:4px;flex:none}
.mini-opt .l{font-weight:700;color:var(--muted)}
.mini-opt.on{border-color:var(--green);background:var(--green-soft)}
.mini-opt.on .box{background:var(--green);border-color:var(--green)}
.tracks{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.track-card{display:flex;flex-direction:column;gap:6px}
.track-card .price{font-family:var(--f-display);font-size:1.6rem;line-height:1.1}
.track-card .price small{font-family:var(--f-body);font-size:.9rem;color:var(--muted)}
.track-card .btn{margin-top:auto;align-self:flex-start}
.spec{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.spec div{padding:16px;border-inline-start:1px solid var(--line)}
.spec div:first-child{border-inline-start:0}
.spec b{display:block;font-family:var(--f-display);font-size:1.6rem;color:var(--green);line-height:1.2}
.spec span{font-size:.85rem;color:var(--muted)}
.sec{padding-block:36px 0}
.sec > h2{font-size:1.5rem;margin-bottom:6px}
.sec > .sub{color:var(--muted);margin-bottom:18px;max-width:46em}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:s}
.step{counter-increment:s;padding:18px;border-top:3px solid var(--green);background:var(--surface);border-radius:0 0 var(--radius) var(--radius)}
.step::before{content:counter(s);font-family:var(--f-display);font-size:1.4rem;color:var(--green)}
.step h3{font-size:1.02rem;margin-block:2px 4px}
.step p{color:var(--muted);font-size:.93rem}

/* tables */
.tblwrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:.93rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tbl th,.tbl td{padding:10px 14px;text-align:start;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td.wrap{white-space:normal}
.tbl th{background:var(--sunk);font-weight:600}
.tbl tr:last-child td{border-bottom:0}

/* dashboard */
.dash{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;margin-top:16px}
.status-line{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.big{font-family:var(--f-display);font-size:1.5rem}
.badge{display:inline-grid;place-items:center;min-width:1.4em;height:1.4em;padding-inline:5px;border-radius:99px;background:var(--bad);color:#fff;font-size:.75rem;line-height:1}
.notes{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.notes > form{align-self:flex-start}
.notice{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:12px 16px;border-radius:var(--radius);border:1px solid var(--line);border-inline-start:4px solid var(--gold);background:var(--surface)}
.notice.success{border-inline-start-color:var(--ok)}
.notice.error{border-inline-start-color:var(--bad)}
.notice form{margin:0;flex:none}
.pay-acc{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--sunk);border-radius:8px;padding:10px 14px;margin-bottom:8px;flex-wrap:wrap}
.pay-acc b{font-family:var(--f-display);font-size:1.25rem;direction:ltr}

/* exam */
.exam-bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--bg);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-block:12px;border-bottom:1px solid var(--line)}
.timer{font-family:var(--f-display);font-size:1.4rem;padding:4px 14px;border-radius:8px;background:var(--surface);border:1px solid var(--line);direction:ltr}
.timer.low{color:var(--bad);border-color:var(--bad)}
.prog{flex:1 1 160px;height:6px;background:var(--sunk);border-radius:99px;overflow:hidden;max-width:320px}
.prog i{display:block;height:100%;background:var(--green);width:0;transition:width .2s}
.save-state{font-size:.8rem;color:var(--muted);min-width:5em}
.save-state.err{color:var(--bad)}
.exam{display:grid;grid-template-columns:1fr 290px;gap:24px;padding-block:24px}
.qcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.qhead{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;margin-bottom:14px;font-size:.88rem;color:var(--muted)}
.pts{font-weight:700;padding:2px 10px;border-radius:99px;font-size:.84rem}
.pts.p1{background:var(--sunk);color:var(--ink)}
.pts.p2{background:var(--gold-soft);color:var(--gold-ink)}
.subj{font-size:.78rem;padding:2px 8px;border-radius:6px;border:1px solid var(--line)}
.qtext{font-size:1.12rem;font-weight:600;margin-bottom:6px;white-space:pre-line}
.hint{font-size:.85rem;color:var(--muted);margin-bottom:16px}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:8px;cursor:pointer;transition:background .1s,border-color .1s}
.opt:hover{background:var(--sunk)}
.opt input{width:20px;height:20px;margin-top:4px;accent-color:var(--green);flex:none}
.opt .l{font-weight:700;color:var(--muted);min-width:1.1em;direction:ltr}
.opt:has(input:checked){border-color:var(--green);background:var(--green-soft)}
.qnav{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;margin-top:20px}
.side{display:flex;flex-direction:column;gap:14px}
.navgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.navgrid button{aspect-ratio:1;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:6px;font-size:.82rem;padding:0;position:relative}
.navgrid button.ans{background:var(--green);color:var(--green-ink);border-color:var(--green)}
.navgrid button.cur{outline:2px solid var(--ink);outline-offset:1px}
.navgrid button.flg::after{content:"";position:absolute;top:3px;inset-inline-end:3px;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.legend{display:flex;flex-wrap:wrap;gap:12px;font-size:.78rem;color:var(--muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-inline-end:4px;vertical-align:middle}
.confirm{background:var(--gold-soft);color:var(--gold-ink);border-radius:var(--radius);padding:16px;margin-bottom:16px}

/* result */
.res-head{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;padding-block:24px 8px}
.ring{width:150px;height:150px}
.res-head h1{font-size:1.6rem}
.bd{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
.bd .card{padding:16px}
.bd .card b{font-family:var(--f-display);font-size:1.4rem}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}
.filters button{border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:6px 14px;border-radius:99px;font-size:.88rem}
.filters button[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.review{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.rv{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.rv .top2{display:flex;justify-content:space-between;gap:10px;font-size:.85rem;color:var(--muted)}
.rv .st{font-weight:700}
.rv .st.full{color:var(--ok)} .rv .st.part{color:var(--gold)} .rv .st.zero{color:var(--bad)}
.rv ul{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:4px;font-size:.93rem}
.rv li{padding:4px 10px;border-radius:6px}
.rv li.c{background:var(--ok-soft)}
.rv li.w{background:var(--bad-soft)}
.rv li .tag{font-size:.75rem;font-weight:700;margin-inline-start:8px}
.rv .calc{font-size:.82rem;color:var(--muted);margin-top:8px}
.rv .ex{font-size:.88rem;margin-top:6px;padding:8px 10px;border-inline-start:3px solid var(--gold);background:var(--sunk);border-radius:4px;white-space:pre-line}

@media (max-width:820px){
  .hero,.dash{grid-template-columns:1fr}
  .hero{padding-block:24px 16px;gap:24px}
  .spec{grid-template-columns:repeat(2,1fr)}
  .spec div{border-inline-start:0;border-top:1px solid var(--line)}
  .spec div:nth-child(-n+2){border-top:0}
  .spec div:nth-child(even){border-inline-start:1px solid var(--line)}
  .spec div:last-child{grid-column:1/-1;border-inline-start:0}
  .steps{grid-template-columns:1fr}
  .bd{grid-template-columns:1fr 1fr}
  .exam{grid-template-columns:1fr}
  .navgrid{grid-template-columns:repeat(10,1fr)}
  .res-head{grid-template-columns:1fr;justify-items:center;text-align:center}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}