/* Pass 12 redesign demo: "exam hall".
   Idea: the countdown to the real exam is the hero, the quiz is an answer sheet, a good score gets stamped PASS.
   One ground, one ink, one accent (pass green), one field colour (deep green). Flat, no gradients, no shadows, no outlines on blocks. */
@font-face{font-family:"P12";src:url(/fonts/Inter-Regular.woff) format("woff");font-weight:400;font-display:swap}
@font-face{font-family:"P12";src:url(/fonts/Inter-Medium.woff) format("woff");font-weight:500;font-display:swap}
@font-face{font-family:"P12";src:url(/fonts/Inter-SemiBold.woff) format("woff");font-weight:600;font-display:swap}
@font-face{font-family:"P12";src:url(/fonts/Inter-Bold.woff) format("woff");font-weight:700;font-display:swap}
@font-face{font-family:"P12 Display";src:url(/fonts/InterDisplay-ExtraBold.woff) format("woff");font-weight:800;font-display:swap}

:root{
  --ground:#f1f3ee; --surface:#e3e9e0; --surface-2:#d6dfd2; --ink:#0e1a13; --muted:#45564a;
  --accent:#0a7a4a; --on-accent:#ffffff; --field:#0a3b27; --on-field:#f3f8f1; --field-soft:#a9c9b6; --field-hi:#7de0a8; --bad:#b8322a;
  --paper:var(--ground); --card:var(--surface); --pen:var(--accent); --pen-soft:rgba(10,122,74,.12); --red:var(--accent); --red-soft:var(--surface);
  --ok:var(--accent); --ok-soft:rgba(10,122,74,.14); --line:rgba(14,26,19,.14); --gold:var(--muted); --gold-soft:var(--surface);
  --f-display:"P12 Display","Inter Display",system-ui,sans-serif;
  --f-body:"P12","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-ku:"Noto Sans Arabic","P12","Segoe UI",Tahoma,sans-serif;
  --f-hand:var(--f-display);
  --ease:cubic-bezier(.23,1,.32,1);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --ground:#0b1510; --surface:#15231b; --surface-2:#1e3126; --ink:#eaf2ec; --muted:#9db3a5;
  --accent:#3fd08a; --on-accent:#06150d; --field:#0f3a28; --on-field:#f3f8f1; --field-soft:#a9c9b6; --field-hi:#7de0a8; --bad:#ff7a6e;
  --pen-soft:rgba(63,208,138,.14); --ok-soft:rgba(63,208,138,.16); --line:rgba(234,242,236,.14); color-scheme:dark}}
:root[data-theme="dark"]{
  --ground:#0b1510; --surface:#15231b; --surface-2:#1e3126; --ink:#eaf2ec; --muted:#9db3a5;
  --accent:#3fd08a; --on-accent:#06150d; --field:#0f3a28; --on-field:#f3f8f1; --field-soft:#a9c9b6; --field-hi:#7de0a8; --bad:#ff7a6e;
  --pen-soft:rgba(63,208,138,.14); --ok-soft:rgba(63,208,138,.16); --line:rgba(234,242,236,.14); color-scheme:dark}

/* frame */
body{background:var(--ground);background-image:none;color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.5}
html[dir="rtl"] body{font-family:var(--f-ku);font-size:16.5px;line-height:1.8}
.app{gap:12px}

/* top bar */
.logo{font-family:var(--f-display);font-weight:800;letter-spacing:-.045em;font-size:30px}
.logo span,.topbar .logo span{font-family:var(--f-display);font-size:inherit;transform:none;margin:0 0 0 .08em;color:var(--accent)}
.topbar .logo{font-size:28px}
.tbtn{background:var(--surface);border:0;border-radius:999px;color:var(--ink)}
.tbtn.sq{border-radius:999px}
.tbtn:hover{background:var(--surface-2)}
.cd{display:none}
.langlist{background:var(--surface);border:0;border-radius:18px;box-shadow:none}
.langlist button[aria-selected="true"],.langlist button:hover{background:var(--surface-2);color:var(--ink)}

/* tabs of subjects */
.subjects{gap:4px}
.chip{border:0;background:transparent;color:var(--muted);font-weight:600;font-size:15px;padding:8px 14px;border-radius:999px;transition:background-color .15s,color .15s}
.chip.on{background:var(--ink);color:var(--ground)}
.chip:hover:not(.on){background:var(--surface)}

/* sheets are plain page areas, not boxed cards */
.sheet{background:transparent;border:0;border-radius:0;box-shadow:none;padding:0}
.sheet::before{display:none}
.sheet h2{font-family:var(--f-display);font-weight:800;font-size:30px;line-height:1.05;letter-spacing:-.035em;margin:0 0 6px;text-wrap:balance}
html[dir="rtl"] .sheet h2{font-family:var(--f-ku);font-weight:800;font-size:26px;letter-spacing:0;line-height:1.35}
.meta,.note{color:var(--muted)}
.book{margin-bottom:6px}
.back{color:var(--accent)}
.sheet + .sheet{margin-top:20px}

/* buttons: fully round, flat */
.btn{border:0;border-radius:999px;background:var(--accent);color:var(--on-accent);font-weight:700;font-size:16px;padding:14px 24px;transition:transform .12s var(--ease),background-color .15s}
.btn:active{transform:scale(.97)}
.btn.ghost{background:var(--surface);color:var(--ink)}
.btn.ghost:hover{background:var(--surface-2)}
.btn.red{background:var(--accent);color:var(--on-accent)}
.btn.outred{background:transparent;color:var(--bad);box-shadow:inset 0 0 0 2px var(--bad)}
.btn.small{padding:10px 16px;font-size:14px}
button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* home: the countdown is the hero */
.hero{position:relative;background:var(--field);color:var(--on-field);border-radius:28px;padding:26px 22px 24px;margin-top:4px;overflow:hidden}
@media (max-width:560px){.hero{margin-inline:-16px;border-radius:0;padding-inline:20px}}
.hero .cdline{margin:0 0 4px;font-weight:600;font-size:16px;color:var(--field-soft)}
.cdbig{display:flex;align-items:flex-end;gap:clamp(22px,7vw,34px);direction:ltr;margin:0 0 22px}
html[dir="rtl"] .cdbig{direction:rtl}
.cdbig span{display:flex;flex-direction:column;gap:4px;line-height:1}
.cdbig b{font-family:var(--f-display);font-weight:800;font-size:clamp(54px,17vw,80px);letter-spacing:-.06em;line-height:.82;color:var(--on-field);font-variant-numeric:tabular-nums}
.cdbig small{font-size:15px;font-weight:600;color:var(--field-soft)}
.cdbig span:first-child b{color:var(--field-hi)}
.hero h2{font-size:22px;letter-spacing:-.02em;color:var(--on-field);margin:0 0 4px}
html[dir="rtl"] .hero h2{font-size:21px}
.hero .lead{color:var(--field-soft);margin:0 0 18px;max-width:34ch}
.hero .streakrow{margin:0 0 18px;gap:10px;align-items:baseline}
.hero .streakrow b{font-family:var(--f-display);font-size:30px;font-weight:800;letter-spacing:-.04em;color:var(--on-field)}
.hero .streakrow span{color:var(--field-soft);font-size:15px}
.streakrow.milestone b{color:var(--field-hi);text-shadow:none;animation:none}
.hero .row{margin-top:0;gap:10px;justify-content:flex-start}
.hero .btn{background:var(--on-field);color:var(--field);font-size:17px;padding:15px 26px}
.hero .btn.ghost{background:transparent;color:var(--on-field);box-shadow:inset 0 0 0 2px rgba(243,248,241,.4);padding:13px 22px}
.hero .btn.ghost:hover{box-shadow:inset 0 0 0 2px var(--on-field)}
.hero .meta{display:none}

.points{list-style:none;padding:0;margin:8px 0 0;gap:0}
.points li{font-family:var(--f-display);font-weight:800;font-size:25px;line-height:1.12;letter-spacing:-.03em;padding:20px 0;text-wrap:balance}
.points li + li{padding-top:4px}
html[dir="rtl"] .points li{font-family:var(--f-ku);font-size:21px;letter-spacing:0;line-height:1.5}
.points li::first-line{color:var(--ink)}
.sheet:has(.points){margin-top:6px}

.sponsor{border:0;background:var(--surface);border-radius:20px;padding:16px 18px}
.sponsor .s-badge{border:0;padding:0;font-size:12px;font-weight:700;letter-spacing:0;text-transform:none;color:var(--muted)}
.sponsor p b{font-size:16px}

/* chapters: big number, title, count */
.chapters{gap:8px;margin-top:14px}
.chap{background:var(--surface);border:0;border-radius:20px;padding:14px 18px;gap:16px;transition:background-color .15s,transform .12s var(--ease)}
.chap:hover{background:var(--surface-2)}
.chap:active{transform:scale(.985)}
.chap .n,.chap.ready .n{background:none;color:var(--accent);width:auto;min-width:40px;height:auto;border-radius:0;font:800 38px/1 var(--f-display);letter-spacing:-.05em}
.chap .t{font-size:17px;font-weight:650}
.chap .t small{font-size:13px;margin-top:2px}
.pill,.chap.ready .pill{border:0;background:none;color:var(--muted);font-size:13px;font-weight:600;padding:0}
.grp{font-family:var(--f-body);font-size:15px;font-weight:700;letter-spacing:0;text-transform:none;color:var(--ink);margin:22px 0 -2px}

/* quiz: an answer sheet */
.progress{gap:3px;margin:14px 0 14px}
.progress i{height:8px;border-radius:4px;background:var(--surface-2)}
.progress i.ok{background:var(--accent)} .progress i.bad{background:var(--bad)} .progress i.now{background:var(--ink)}
.pring{display:none}
.src{border:0;background:var(--surface);color:var(--muted);border-radius:999px;font-size:12.5px;font-weight:600;padding:3px 10px}
.qtext{font-size:22px;line-height:1.5;font-weight:650;letter-spacing:-.012em;margin:8px 0 18px}
html[dir="rtl"] .qtext{font-size:20px;line-height:1.9;letter-spacing:0}
.opts{gap:8px}
.opt{background:var(--surface);border:0;border-radius:20px;padding:14px 16px;min-height:60px;font-size:17px;font-weight:550;gap:14px;transition:background-color .15s,transform .12s var(--ease),color .15s}
.opt:hover:not([disabled]){background:var(--surface-2)}
.opt:active:not([disabled]){transform:scale(.985)}
.opt .l{width:34px;height:34px;border:0;background:var(--ground);color:var(--ink);font-size:15px;font-weight:700;transition:background-color .15s,color .15s}
.opt.right{background:var(--accent);color:var(--on-accent)} .opt.right .l{background:var(--on-accent);color:var(--accent)}
.opt.wrong{background:var(--bad);color:#fff} .opt.wrong .l{background:#fff;color:var(--bad)}
.opt[disabled]:not(.right):not(.wrong){opacity:.55}
.verdict{margin-top:18px;gap:0;flex-direction:column}
.mark{font-family:var(--f-display);font-weight:800;font-size:26px;letter-spacing:-.03em;transform:none;line-height:1.1;margin-bottom:6px}
html[dir="rtl"] .mark{font-family:var(--f-ku);font-size:22px;transform:none;letter-spacing:0}
.mark.ok{color:var(--accent)} .mark.bad{color:var(--bad)}
.why{font-size:16px;line-height:1.55}
.explain{border:0;border-radius:20px;background:var(--surface);padding:16px 18px;margin-top:14px}
.explain h3{font-family:var(--f-body);font-size:15px;font-weight:700;letter-spacing:0;text-transform:none;color:var(--ink);margin:0 0 6px}
.lockover{background:color-mix(in srgb,var(--surface) 72%,transparent)}
.row{margin-top:18px}

/* result: marks out of the total, stamped PASS from 50% */
.scorecard{position:relative;background:var(--field);color:var(--on-field);border-radius:28px;padding:26px 22px 22px;margin-top:14px;overflow:hidden}
@media (max-width:560px){.scorecard{margin-inline:-16px;border-radius:0;padding-inline:20px}}
.scorecard .big{font-family:var(--f-display);font-weight:800;font-size:clamp(110px,36vw,170px);line-height:.8;letter-spacing:-.07em;direction:ltr;font-variant-numeric:tabular-nums}
.scorecard .big small{font-size:.38em;letter-spacing:-.04em;color:var(--field-soft);margin-inline-start:.08em}
html[dir="rtl"] .scorecard .big{text-align:start}
.scorecard .why{color:var(--on-field);font-size:19px;font-weight:600;margin:20px 0 4px;max-width:30ch;line-height:1.35}
.scorecard .note{color:var(--field-soft)}
.scorecard .row{justify-content:flex-start}
.scorecard .btn{background:var(--on-field);color:var(--field)}
.scorecard .btn.ghost{background:transparent;color:var(--on-field);box-shadow:inset 0 0 0 2px rgba(243,248,241,.4)}
.stamp{position:absolute;inset-inline-end:20px;top:24px;color:var(--field-hi);border:5px solid currentColor;border-radius:10px;padding:2px 14px;font:800 36px/1.1 var(--f-display);letter-spacing:.02em;direction:ltr;transform:rotate(-9deg);opacity:.95}
.circle,.circle svg{display:none}
.score{display:block}

/* unlock */
.price{gap:10px;margin-top:14px}
.price div{border:0;border-radius:24px;background:var(--surface);padding:20px 20px 18px}
.price div.beam{background:var(--field);color:var(--on-field);animation:none}
.price div.beam span{color:var(--field-soft)}
.price b{font-family:var(--f-display);font-weight:800;font-size:34px;letter-spacing:-.045em}
.price span{font-size:14px}
.unlock input,#acctForm input{border:0;background:var(--surface);border-radius:999px;padding:15px 20px;font-family:var(--f-body);font-weight:650;letter-spacing:.1em;color:var(--ink)}
#acctForm input[type=tel],#acctForm input[type=password]{font-family:var(--f-body);letter-spacing:.02em}
.unlock input::placeholder,#acctForm input::placeholder{color:var(--muted);opacity:.7}
.reccode{border:0;background:var(--surface);border-radius:20px;font-family:var(--f-display);letter-spacing:.08em}
.linkbtn{color:var(--accent)}

/* bottom nav and menu */
.bnav{background:var(--surface);border:0;padding-top:8px}
.bnav a{color:var(--muted);border-radius:999px;font-weight:600}
.bnav a[aria-current="page"]{background:var(--ink);color:var(--ground)}
.menu{background:var(--ground);border:0}
.scrim{background:rgba(8,16,11,.5)}
.menu>a:hover{background:var(--surface)}
.menuhead{font-family:var(--f-display);font-weight:800;letter-spacing:-.03em;font-size:20px}
.toast{background:var(--ink);color:var(--ground);border-radius:999px}

/* welcome */
.welcome{background:var(--field);background-image:none;color:var(--on-field)}
.wbox p{color:var(--field-soft)}
.wbox h2{font-family:var(--f-display);font-weight:800;letter-spacing:-.03em;font-size:26px}
.wlogo{font-size:72px}.wlogo span{color:var(--field-hi)}
.wbar{background:rgba(243,248,241,.2)}.wbar i{background:var(--field-hi)}
.wbox .btn{background:var(--on-field);color:var(--field)}

/* motion: entrances rise and fade; the stamp lands. Transform and opacity only. */
.rise{animation:rise .6s var(--ease) both;animation-delay:var(--d,0s)}
@keyframes rise{from{opacity:0;transform:translateY(18px)}}
.stamp{animation:slam .42s var(--ease) .55s both}
@keyframes slam{from{opacity:0;transform:rotate(-22deg) scale(2.4)}60%{opacity:1}to{opacity:.95;transform:rotate(-9deg) scale(1)}}
@media (prefers-reduced-motion:reduce){.rise,.stamp{animation:none}.chap,.opt,.btn{transition:none}}

/* subject picker rows */
.chap.subj{grid-template-columns:1fr auto;width:100%;border:0;text-align:start;font:inherit;color:inherit;cursor:pointer;padding:20px 20px}
.chap.subj .t{font-family:var(--f-display);font-weight:800;font-size:24px;letter-spacing:-.03em}
html[dir="rtl"] .chap.subj .t{font-family:var(--f-ku);font-size:21px;letter-spacing:0}
button.chap.subj[data-soon]{color:var(--muted)}

/* quiz: tighter so the question, every option and the verdict fit on one phone screen */
#quizSheet h2{font-size:21px;margin:0}
html[dir="rtl"] #quizSheet h2{font-size:19px}
#quizSheet .back{margin-bottom:2px;display:inline-block}
#quizSheet .progress{margin:10px 0 8px}
#quizSheet .meta{margin-bottom:2px!important}
#quizSheet .qtext{font-size:19px;line-height:1.45;margin:6px 0 12px}
html[dir="rtl"] #quizSheet .qtext{font-size:18px;line-height:1.8}
#quizSheet .opts{gap:6px}
#quizSheet .opt{min-height:50px;padding:9px 14px;font-size:16px;border-radius:16px;gap:12px}
#quizSheet .opt .l{width:30px;height:30px;font-size:14px}
#quizSheet .verdict{margin-top:12px}
#quizSheet .mark{font-size:22px;margin-bottom:2px}
#quizSheet .why{font-size:15px;line-height:1.5}
#quizSheet .explain{margin-top:10px;padding:12px 14px}
#quizSheet .row{margin-top:12px}

.sheet+.sponsor,.chapters+.sponsor,.sponsor{margin-top:20px}

/* home: compact, restrained */
.hero{padding:20px 20px 18px;border-radius:24px}
@media (max-width:560px){.hero{margin-inline:0;border-radius:24px;padding-inline:20px}}
.hero .cdline{font-size:13px;font-weight:600;letter-spacing:.02em;margin:0 0 10px;opacity:.85}
.cdbig{gap:clamp(16px,5vw,24px);margin:0 0 16px}
.cdbig b{font-size:clamp(36px,11vw,48px)}
.cdbig small{font-size:12px;font-weight:600;opacity:.8}
.hero h2{font-size:18px;margin:0 0 2px}
html[dir="rtl"] .hero h2{font-size:18px}
.hero .lead{font-size:14px;margin:0 0 14px}
.hero .streakrow{margin:0 0 14px}
.hero .streakrow b{font-size:22px}
.hero .streakrow span{font-size:13px}
.hero .btn{font-size:15px;padding:12px 22px}
.hero .btn.ghost{padding:10px 18px}
.points{font-size:14px}
.points{margin:4px 0 0}
.points li{font-family:var(--f-body);font-weight:500;font-size:15px;line-height:1.45;letter-spacing:0;padding:14px 0 14px 22px;position:relative;color:var(--muted);border-top:1px solid color-mix(in srgb,var(--ink) 10%,transparent)}
.points li:first-child{border-top:0}
.points li + li{padding-top:14px}
.points li::before{content:"";position:absolute;inset-inline-start:2px;top:21px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
html[dir="rtl"] .points li{font-family:var(--f-ku);font-size:15px;line-height:1.6;padding:14px 22px 14px 0}
html[dir="rtl"] .points li{padding-inline:22px 0}
.hero .row{flex-wrap:nowrap}
.hero .btn,.hero .btn.ghost{flex:1;text-align:center;padding-inline:8px;white-space:nowrap}
.hero .lead{max-width:none}
.hero .streakrow{margin:0 0 16px}
.points li::first-line{color:inherit}.points li{color:var(--ink)}

[data-hide-paid][hidden]{display:none!important}
.bnav a{min-width:0}.bnav a span{white-space:nowrap}
.bnav{padding-inline:4px}.bnav a{padding-inline:2px;font-size:10.5px;letter-spacing:-.01em}
.foot{text-align:center;margin:34px 0 8px;display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:12.5px;letter-spacing:.01em}
.foot p{margin:0}
.foot .slogan{font-family:var(--f-display);font-weight:800;font-size:15px;letter-spacing:-.01em;color:var(--ink);margin-bottom:6px}

.swap{font-size:16px}
.swap .linkbtn{font-size:17px}
.wbox .wcount{font:700 13px var(--f-body);letter-spacing:.04em;color:var(--field-hi);margin-top:2px}