/* Layout: sticky ledger-style top bar, single centred working column; exam mode splits into navigator + question */
:root{
  --paper:#EEF6FD; --surface:#FFFFFF; --sunk:#E0EEF9; --ink:#0F2236; --muted:#4A6177; --line:#CCE0F1;
  --accent:#4AAEF0; --accent-ink:#06223A; --accent-soft:#DCEFFC; --accent-text:#1667A8;
  --good:#1D7444; --good-soft:#E2F1E7; --bad:#B03A2E; --bad-soft:#F7E3DF; --warn:#9A6412; --warn-soft:#F5ECD9; --alert-on-ink:#F2B84B;
  --display:"Bricolage Grotesque", "IBM Plex Sans", system-ui, sans-serif;
  --body:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --r:14px;
  --shadow-sm:0 1px 2px rgba(15,34,54,.05),0 2px 6px rgba(15,34,54,.04);
  --shadow-md:0 10px 28px -10px rgba(22,103,168,.28),0 2px 6px rgba(15,34,54,.05);
  --hero-a:#D3EBFC; --hero-b:#F7FBFF; --glow:rgba(74,174,240,.28);
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --paper:#0B1622; --surface:#112030; --sunk:#172A3D; --ink:#E2EEF8; --muted:#8EA7BE; --line:#22384E;
  --accent:#7CC6FA; --accent-ink:#06223A; --accent-soft:#16324C; --accent-text:#8FCFFB;
  --good:#5FC58B; --good-soft:#173020; --bad:#EE7D70; --bad-soft:#3A1F1B; --warn:#E2AA4C; --warn-soft:#33291A; --alert-on-ink:#8A4E00;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3); --shadow-md:0 12px 30px -12px rgba(0,0,0,.6); --hero-a:#13314D; --hero-b:#0E1C2B; --glow:rgba(124,198,250,.18); color-scheme:dark } }
:root[data-theme="dark"]{
  --paper:#0B1622; --surface:#112030; --sunk:#172A3D; --ink:#E2EEF8; --muted:#8EA7BE; --line:#22384E;
  --accent:#7CC6FA; --accent-ink:#06223A; --accent-soft:#16324C; --accent-text:#8FCFFB;
  --good:#5FC58B; --good-soft:#173020; --bad:#EE7D70; --bad-soft:#3A1F1B; --warn:#E2AA4C; --warn-soft:#33291A; --alert-on-ink:#8A4E00;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3); --shadow-md:0 12px 30px -12px rgba(0,0,0,.6); --hero-a:#13314D; --hero-b:#0E1C2B; --glow:rgba(124,198,250,.18); color-scheme:dark }
*{box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--surface)}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.2;text-wrap:balance;margin:0}
h1{font-size:clamp(26px,4vw,34px)} h2{font-size:22px} h3{font-size:18px}
p{margin:0 0 .7em} p:last-child{margin-bottom:0}
a{color:var(--accent-text)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.num,.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)} .small{font-size:13px}
.label{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}

/* top bar */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:58px;flex-wrap:wrap;padding-block:6px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand .mark{width:28px;height:28px;flex:none;display:block}
.brand .tag{display:block;font-size:11px;color:var(--muted);letter-spacing:.02em;margin-top:1px;white-space:nowrap}
.brand .wm{display:flex;flex-direction:column;line-height:1.1}
@media (max-width:560px){.brand .tag{display:none}.acct .an{display:none}}
.brand b{font-family:var(--display);font-size:20px;font-weight:700;letter-spacing:-.01em}
#brandpaper{font-family:var(--mono);font-size:11px;font-weight:600;color:var(--accent-text);background:var(--accent-soft);padding:2px 8px;border-radius:999px}
.tabs{display:flex;gap:2px;flex-wrap:wrap;flex:1}
.tabs a{text-decoration:none;color:var(--muted);padding:8px 12px;border-radius:6px;font-weight:500;font-size:14px}
.tabs a:hover{color:var(--ink);background:var(--sunk)}
.tabs a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--accent);border-radius:6px 6px 0 0}
.savestate{font-size:12px;color:var(--muted);white-space:nowrap}
.acct{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:3px 10px 3px 3px;font-size:13px;font-weight:500;max-width:220px}
.acct:hover{border-color:var(--accent)}
.acct img{width:26px;height:26px;border-radius:50%;flex:none;display:block}
.acct .an{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.acct .ap{font-size:11px;font-weight:600;color:var(--accent-text);background:var(--accent-soft);border-radius:999px;padding:1px 7px}
.acct.out{padding:6px 12px;color:var(--muted)}
/* plans */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:16px;align-items:stretch}
.plan{display:flex;flex-direction:column;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;min-width:0}
.plan.hl{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.plan .pn{font-family:var(--display);font-size:22px;font-weight:700}
.plan .pp{font-family:var(--mono);font-size:28px;font-weight:600;font-variant-numeric:tabular-nums}
.plan .pp small{font-family:var(--body);font-size:13px;font-weight:400;color:var(--muted)}
.plan ul{margin:0;padding-left:1.1em;display:flex;flex-direction:column;gap:6px;font-size:14px}
.plan .pay{margin-top:auto}
.plan .pay .btn{width:100%;justify-content:center}
.copy{font-family:var(--mono);background:var(--sunk);border-radius:6px;padding:2px 8px;user-select:all}
.savestate.err{color:var(--bad)}

main{padding-block:28px 64px}
.stack{display:flex;flex-direction:column;gap:20px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;min-width:0}
.card.flat{background:transparent;border-style:dashed}
.banner{border-radius:8px;padding:12px 14px;background:var(--warn-soft);color:var(--ink);border:1px solid color-mix(in srgb,var(--warn) 35%,transparent);font-size:14px}
.banner.info{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 30%,transparent)}

.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);padding:9px 16px;border-radius:7px;font-weight:600;cursor:pointer;text-decoration:none;font-size:14px;line-height:1.2}
.btn:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent;color:var(--accent-text)}
.btn.ghost:hover{background:var(--accent-soft);filter:none}
.btn.quiet{background:transparent;border-color:var(--line);color:var(--ink)}
.btn.quiet:hover{background:var(--sunk);filter:none}
.btn.danger{background:var(--bad);border-color:var(--bad);color:var(--surface)}
.btn:disabled{opacity:.5;cursor:not-allowed;filter:none}
.btn.sm{padding:6px 11px;font-size:13px}

.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 13px;cursor:pointer;font-size:13px;font-weight:500}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--sunk);color:var(--muted)}
.pill.good{background:var(--good-soft);color:var(--good)} .pill.bad{background:var(--bad-soft);color:var(--bad)} .pill.warn{background:var(--warn-soft);color:var(--warn)}

/* hero */
.hello{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:flex-end}
.hello p{color:var(--muted);margin-top:6px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.stat{background:var(--surface);padding:16px 18px}
.stat .v{font-family:var(--mono);font-size:26px;font-weight:600;margin-top:4px;font-variant-numeric:tabular-nums}
.stat .v small{font-size:14px;color:var(--muted);font-weight:400}

/* exam format ledger */
.ledger{width:100%;border-collapse:collapse;font-size:14px}
.ledger td,.ledger th{padding:9px 6px;border-bottom:1px solid var(--line);text-align:left}
.ledger th{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.ledger .n{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}
.ledger tr.tot td{border-bottom:3px double var(--ink);font-weight:600}

/* topic bars */
.tlist{display:flex;flex-direction:column}
.trow{display:grid;grid-template-columns:minmax(0,1fr) 110px 54px auto;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.trow:last-child{border-bottom:0}
.trow .nm{min-width:0}
.trow .nm b{font-weight:500}
.bar{height:8px;border-radius:4px;background:var(--sunk);overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:4px}
.bar i.bad{background:var(--bad)} .bar i.warn{background:var(--warn)}
@media (max-width:560px){.trow{grid-template-columns:minmax(0,1fr) 70px 46px}.trow .act{grid-column:1/-1}}

/* question */
.qhead{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.qhead .qn{font-family:var(--mono);font-weight:600;font-size:13px;background:var(--ink);color:var(--paper);padding:3px 8px;border-radius:4px}
.stem{max-width:72ch}
.stem p{margin-bottom:.8em}
.stem ul,.scen ul,.model ul{padding-left:1.2em;margin:.4em 0 .8em}
.tbl{overflow-x:auto;margin:.4em 0 1em;max-width:100%}
.tbl table{border-collapse:collapse;font-size:14px;min-width:min(100%,420px)}
.tbl th,.tbl td{padding:6px 12px 6px 0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl th{font-weight:600;font-size:13px;color:var(--muted)}
.tbl .n{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap;padding-left:14px}
.hint{font-size:13px;font-weight:600;color:var(--warn);margin:4px 0 8px}
.opts{display:flex;flex-direction:column;gap:8px;margin-top:6px;max-width:72ch}
.opt{display:flex;gap:12px;align-items:flex-start;text-align:left;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:11px 14px;cursor:pointer;width:100%}
.opt:hover:not(:disabled){border-color:var(--accent)}
.opt .ol{font-family:var(--mono);font-weight:600;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:12px;flex:none;margin-top:1px}
.opt .ot{flex:1;min-width:0}
.opt.sel{border-color:var(--accent);background:var(--accent-soft)}
.opt.sel .ol{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.opt.right{border-color:var(--good);background:var(--good-soft)}
.opt.right .ol{background:var(--good);border-color:var(--good);color:var(--surface)}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.opt.wrong .ol{background:var(--bad);border-color:var(--bad);color:var(--surface)}
.opt:disabled{cursor:default}
.why{display:block;font-size:13px;line-height:1.45;color:var(--muted);margin-top:5px}
.opt.right .why{color:var(--good)} .opt.wrong .why{color:var(--bad)}
.trap{margin-top:8px;padding:9px 12px;border-radius:7px;background:var(--warn-soft);font-size:14px;max-width:72ch}
.tick{font-family:var(--display);font-weight:700;color:var(--good);font-size:18px;line-height:1}
.numin label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.numrow{display:inline-flex;align-items:stretch;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface);max-width:100%}
.numrow span{padding:9px 11px;background:var(--sunk);color:var(--muted);font-family:var(--mono);font-size:14px;display:flex;align-items:center}
.numrow input{border:0;padding:9px 12px;width:200px;max-width:52vw;font-family:var(--mono);font-size:16px;background:transparent;outline:none}
.numrow:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}
.fb{margin-top:14px;border-radius:8px;padding:12px 14px;border:1px solid var(--line);max-width:72ch}
.fb.ok{background:var(--good-soft);border-color:color-mix(in srgb,var(--good) 35%,transparent)}
.fb.no{background:var(--bad-soft);border-color:color-mix(in srgb,var(--bad) 35%,transparent)}
.fbh{font-weight:600;margin-bottom:4px}
.fb.ok .fbh{color:var(--good)} .fb.no .fbh{color:var(--bad)}
.qfoot{display:flex;gap:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}

/* case & CR */
.split{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
@media (min-width:960px){.split{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.split .scen{position:sticky;top:calc(env(safe-area-inset-top,0px) + var(--toph,58px) + 16px);max-height:calc(100vh - var(--toph,58px) - 40px);overflow:auto}.exam .split .scen{top:calc(env(safe-area-inset-top,0px) + var(--toph,58px) + 86px);max-height:calc(100vh - var(--toph,58px) - 110px)}}
.scen{background:var(--sunk);border-radius:var(--r);padding:18px;font-size:14px;min-width:0}
.scen h3{margin-bottom:10px}
.items{display:flex;flex-direction:column;gap:22px;min-width:0}
.item{padding-bottom:20px;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}
.item .inum{font-family:var(--mono);font-size:12px;color:var(--muted);font-weight:600;margin-bottom:6px}
.req{display:flex;flex-direction:column;gap:8px}
.req textarea{width:100%;min-height:220px;border:1px solid var(--line);border-radius:8px;padding:12px;background:var(--surface);font-family:var(--mono);font-size:13.5px;line-height:1.5;resize:vertical}
.req textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px var(--accent-soft)}
.mark{margin-top:6px;display:flex;flex-direction:column;gap:6px}
.gp{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:8px 0;border-bottom:1px dashed var(--line)}
.gp .note{font-size:12.5px;color:var(--muted);margin-top:2px}
.gp input{width:70px;padding:5px 8px;border:1px solid var(--line);border-radius:6px;font-family:var(--mono);background:var(--surface);text-align:right}
.gp .of{font-family:var(--mono);font-size:13px;color:var(--muted)}
.marktot{font-family:var(--mono);font-size:20px;font-weight:600}
details.model{border:1px solid var(--line);border-radius:8px;padding:0 14px;background:var(--surface)}
details.model summary{cursor:pointer;padding:12px 0;font-weight:600}
details.model[open]{padding-bottom:14px}
.ai{border-radius:8px;padding:12px 14px;background:var(--accent-soft);font-size:14px}
.aibox{display:flex;flex-direction:column;gap:10px;border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);background:var(--accent-soft);border-radius:var(--r);padding:16px}
.aibox .row{gap:10px}
.aiscore{font-family:var(--mono);font-size:22px;font-weight:600}
.aitag{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-text)}
.gp .note.ai-n{color:var(--accent-text)}

/* practice setup */
.setup{display:grid;gap:18px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field>label,.field>.label{font-size:13px;font-weight:600;color:var(--ink);text-transform:none;letter-spacing:0}
select,.inp,textarea.inp{border:1px solid var(--line);border-radius:7px;padding:8px 10px;background:var(--surface);max-width:100%}
textarea.inp{width:100%;min-height:90px;font-family:var(--mono);font-size:13px;line-height:1.5;resize:vertical}
.progress-strip{height:4px;background:var(--sunk);border-radius:2px;overflow:hidden}
.progress-strip i{display:block;height:100%;background:var(--accent)}

/* mock */
.modes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:14px}
.mode{display:flex;flex-direction:column;gap:8px;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;cursor:pointer}
.mode:hover{border-color:var(--accent)}
.mode .mt{font-family:var(--display);font-size:19px;font-weight:600}
.mode .md{font-size:13.5px;color:var(--muted);flex:1}
.mode .mm{font-family:var(--mono);font-size:13px;color:var(--accent-text);font-weight:600}
.exambar{position:sticky;top:calc(env(safe-area-inset-top,0px) + var(--toph,58px));z-index:15;background:var(--ink);color:var(--paper);border-radius:var(--r);padding:10px 16px;display:flex;gap:14px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.exambar .t{font-weight:600}
.timer{font-family:var(--mono);font-size:22px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.timer.low{color:var(--alert-on-ink)}
.exambar .btn{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.exam{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;margin-top:16px}
@media (min-width:900px){.exam{grid-template-columns:200px minmax(0,1fr)}}
.qnav{display:flex;flex-direction:column;gap:12px}
.qnav .grp{display:flex;flex-wrap:wrap;gap:6px}
.qb{font-family:var(--mono);font-size:12px;font-weight:600;min-width:38px;padding:6px 6px;border:1px solid var(--line);background:var(--surface);border-radius:6px;cursor:pointer;position:relative}
.qb.ans{background:var(--accent-soft);border-color:var(--accent)}
.qb.part{background:var(--warn-soft);border-color:var(--warn)}
.qb.cur{outline:2px solid var(--ink);outline-offset:1px}
.qb.flag::after{content:"";position:absolute;top:-4px;right:-4px;width:9px;height:9px;border-radius:50%;background:var(--bad)}
.legend{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px;vertical-align:-1px;border:1px solid var(--line)}
.confirm{border:1px solid var(--warn);background:var(--warn-soft);border-radius:var(--r);padding:16px}

.score{font-family:var(--mono);font-size:44px;font-weight:600;line-height:1;font-variant-numeric:tabular-nums}
.score small{font-size:20px;color:var(--muted)}
.secbars{display:flex;flex-direction:column;gap:12px}
.secbar{display:grid;grid-template-columns:minmax(0,180px) minmax(0,1fr) 90px;gap:12px;align-items:center;font-size:14px}
@media (max-width:560px){.secbar{grid-template-columns:minmax(0,1fr) 80px}.secbar .bar{grid-column:1/-1;grid-row:2}}
.review{display:flex;flex-direction:column;gap:12px}
details.rv{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:0 18px}
details.rv>summary{cursor:pointer;padding:14px 0;display:flex;gap:10px;align-items:center;flex-wrap:wrap;list-style:none}
details.rv>summary::-webkit-details-marker{display:none}
details.rv>summary::before{content:"+";font-family:var(--mono);color:var(--muted);width:12px}
details.rv[open]>summary::before{content:"−"}
details.rv[open]{padding-bottom:18px}
.hist{display:flex;flex-direction:column}
.hrow{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.hrow:last-child{border-bottom:0}
.chart svg{width:100%;height:auto;display:block}

/* paper picker & matching tasks */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.paperpick select{font-weight:600;border:1px solid var(--line);border-radius:7px;padding:6px 10px;background:var(--surface);color:var(--ink);max-width:62vw}
.match{display:flex;flex-direction:column;gap:8px;max-width:76ch;margin-top:6px}
.mrow{display:grid;grid-template-columns:minmax(0,1fr) minmax(150px,220px);gap:10px;align-items:center;border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:var(--surface)}
.mrow select{width:100%;border:1px solid var(--line);border-radius:6px;padding:7px 8px;background:var(--surface)}
.mrow.ok{border-color:var(--good);background:var(--good-soft)} .mrow.no{border-color:var(--bad);background:var(--bad-soft)}
.mrow .mcorr{grid-column:1/-1;font-size:13px;color:var(--good);font-weight:600}
@media (max-width:560px){.mrow{grid-template-columns:minmax(0,1fr)}}

/* home: qualifications and exams */
.crumbs{display:flex;gap:6px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:16px}
.crumbs a{color:var(--muted);text-decoration:none} .crumbs a:hover{color:var(--ink);text-decoration:underline}
.crumbs b{color:var(--ink);font-weight:600}
.quals{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:16px}
.qcard{display:flex;flex-direction:column;gap:10px;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;color:var(--ink);text-decoration:none;min-width:0}
a.qcard:hover{border-color:var(--accent)}
.qcard .qabbr{font-family:var(--display);font-size:32px;font-weight:700;letter-spacing:-.01em;line-height:1}
.qcard .qfull{font-size:13.5px;color:var(--muted)}
.qcard .qmeta{margin-top:auto;padding-top:8px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.qcard.soon{background:transparent;border-style:dashed}
.qcard.soon .qabbr{color:var(--muted)}
.qcard .go{font-weight:600;color:var(--accent-text);font-size:14px}
.plevel{display:flex;flex-direction:column;gap:10px}
.plevel .lh{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.papers{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr));gap:12px}
.pcard{display:flex;flex-direction:column;gap:6px;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;cursor:pointer;color:var(--ink);min-width:0;font:inherit}
.pcard:hover:not(:disabled){border-color:var(--accent)}
.pcard:disabled{cursor:default;background:transparent;border-style:dashed}
.pcard .pcode{font-family:var(--mono);font-weight:600;font-size:13px;color:var(--accent-text)}
.pcard:disabled .pcode,.pcard:disabled .pname{color:var(--muted)}
.pcard .pname{font-weight:600;line-height:1.3}
.pcard .pstat{display:flex;justify-content:space-between;gap:8px;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:6px}
.pcard.cur{box-shadow:inset 0 0 0 2px var(--accent)}

/* admin */
.alist{display:flex;flex-direction:column}
.arow{display:grid;grid-template-columns:62px 92px minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.arow .stem1{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
@media (max-width:640px){.arow{grid-template-columns:54px minmax(0,1fr) auto}.arow .tp{display:none}}
.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:14px}
.form .wide{grid-column:1/-1}
.err{color:var(--bad);font-weight:500;font-size:14px}
.empty{text-align:center;padding:40px 20px}
.empty h2{margin-bottom:8px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ===== visual polish ===== */
h1,h2,h3{font-weight:700;letter-spacing:-.015em}
h1{font-size:clamp(28px,4.2vw,38px)} h2{font-size:clamp(20px,2.4vw,24px)}
.top{background:color-mix(in srgb,var(--surface) 90%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);box-shadow:var(--shadow-sm)}
.brand .mark{width:32px;height:32px;filter:drop-shadow(0 3px 8px var(--glow))}
.brand b{font-size:21px;font-weight:800;letter-spacing:-.02em}
.tabs{gap:4px}
.tabs a{border-radius:999px;padding:7px 14px}
.tabs a[aria-current="page"]{background:var(--accent-soft);color:var(--accent-text);box-shadow:none;border-radius:999px;font-weight:600}
.card,.plan,.qcard,.pcard,.mode,details.rv{border-radius:var(--r);box-shadow:var(--shadow-sm)}
.card.flat,.qcard.soon,.pcard:disabled{box-shadow:none}
.btn{border-radius:10px;padding:10px 18px;transition:transform .15s ease,box-shadow .15s ease,filter .15s ease}
.btn:not(.quiet):not(.ghost):not(.danger){box-shadow:0 6px 16px -6px var(--glow)}
.btn:hover:not(:disabled){transform:translateY(-1px)}
.btn.lg{padding:13px 22px;font-size:15.5px}
a.qcard,.pcard:not(:disabled),.mode{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
a.qcard:hover,.pcard:hover:not(:disabled),.mode:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.stats{gap:12px;background:transparent;border:0;border-radius:0;overflow:visible}
.stat{border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--accent)}
.stat .v{font-family:var(--display);font-weight:700;font-size:30px}
.bar{height:9px;border-radius:999px} .bar i{border-radius:999px;background:linear-gradient(90deg,var(--accent),color-mix(in srgb,var(--accent) 70%,#7C5CFF))}
.bar i.bad{background:var(--bad)} .bar i.warn{background:var(--warn)}
.opt{border-radius:12px;transition:border-color .15s ease,background .15s ease}
.chip{transition:background .15s ease}
.pill{padding:3px 10px}
.pill.live{background:var(--good-soft);color:var(--good);display:inline-flex;align-items:center;gap:6px}
.pill.live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 0 3px color-mix(in srgb,var(--good) 25%,transparent)}

/* hero */
.hero{position:relative;overflow:hidden;border-radius:22px;padding:clamp(24px,5vw,48px);background:
  radial-gradient(600px 300px at 90% -10%,var(--glow),transparent 70%),
  radial-gradient(500px 260px at -10% 110%,color-mix(in srgb,#7C5CFF 18%,transparent),transparent 70%),
  linear-gradient(135deg,var(--hero-a),var(--hero-b));border:1px solid var(--line);
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(20px,4vw,48px);align-items:center}
@media (max-width:860px){.hero{grid-template-columns:minmax(0,1fr)}}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--accent-text);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:5px 12px;box-shadow:var(--shadow-sm)}
.hero h1{font-size:clamp(32px,5.2vw,52px);line-height:1.05;margin-top:16px;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--accent-text);background:linear-gradient(transparent 62%,color-mix(in srgb,var(--accent) 35%,transparent) 62%)}
.hero .lede{font-size:17px;color:var(--muted);max-width:52ch;margin-top:14px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.hero .facts{display:flex;gap:22px;flex-wrap:wrap;margin-top:26px}
.hero .fact b{display:block;font-family:var(--display);font-size:26px;font-weight:800;letter-spacing:-.02em}
.hero .fact span{font-size:13px;color:var(--muted)}
.preview{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow-md);display:flex;flex-direction:column;gap:14px;transform:rotate(1.2deg)}
.preview .ph{display:flex;justify-content:space-between;align-items:center;gap:10px}
.preview .ring{--p:74;width:84px;height:84px;border-radius:50%;flex:none;display:grid;place-items:center;background:conic-gradient(var(--accent) calc(var(--p)*1%),var(--sunk) 0)}
.preview .ring span{width:66px;height:66px;border-radius:50%;background:var(--surface);display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:20px}
.preview .row2{display:grid;grid-template-columns:minmax(0,1fr) 46px;gap:10px;align-items:center;font-size:13px}
.preview .ex{font-size:11px;color:var(--muted);text-align:right}
@media (max-width:860px){.preview{transform:none}}

/* qualification cards */
.sechead{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap}
.sechead p{color:var(--muted);margin-top:4px}
.qcard{padding:22px;gap:12px}
.qcard .qtop{display:flex;align-items:center;gap:14px}
.qicon{width:52px;height:52px;border-radius:14px;flex:none;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:14px;letter-spacing:.01em;color:var(--q);background:color-mix(in srgb,var(--q) 14%,var(--surface));border:1px solid color-mix(in srgb,var(--q) 30%,transparent)}
.qcard .qabbr{font-size:24px}
.qcard.soon .qicon{filter:grayscale(.6);opacity:.75}
.q-acca{--q:#1F7FD0} .q-cma{--q:#0E8C89} .q-cfa{--q:#3F55C8} .q-cia{--q:#0B85AE} .q-frm{--q:#6A4CC8} .q-cima{--q:#53708E} .q-cfp{--q:#B5651D} .q-uae{--q:#0F7B4A}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .q-acca{--q:#7CC6FA}:root:not([data-theme="light"]) .q-cma{--q:#5ED6CF}:root:not([data-theme="light"]) .q-cfa{--q:#9AA8FF}:root:not([data-theme="light"]) .q-cia{--q:#6FD3F5}:root:not([data-theme="light"]) .q-frm{--q:#BBA6FF}:root:not([data-theme="light"]) .q-cima{--q:#A9BDD2}:root:not([data-theme="light"]) .q-cfp{--q:#F2B27A}:root:not([data-theme="light"]) .q-uae{--q:#6FD6A2}}
:root[data-theme="dark"] .q-acca{--q:#7CC6FA}:root[data-theme="dark"] .q-cma{--q:#5ED6CF}:root[data-theme="dark"] .q-cfa{--q:#9AA8FF}:root[data-theme="dark"] .q-cia{--q:#6FD3F5}:root[data-theme="dark"] .q-frm{--q:#BBA6FF}:root[data-theme="dark"] .q-cima{--q:#A9BDD2}:root[data-theme="dark"] .q-cfp{--q:#F2B27A}:root[data-theme="dark"] .q-uae{--q:#6FD6A2}
a.qcard{border-top:3px solid var(--q)}

/* features */
.feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:14px}
.feat{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--shadow-sm)}
.feat svg{width:36px;height:36px;flex:none;padding:8px;border-radius:10px;background:var(--accent-soft);color:var(--accent-text)}
.feat b{display:block;font-size:14.5px}
.feat span{font-size:13px;color:var(--muted)}

/* plans */
.plan{padding:24px}
.plan.hl{border:2px solid var(--accent);box-shadow:var(--shadow-md);background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 10%,var(--surface)),var(--surface) 40%)}
.plan .pn{font-size:24px}
.plan .pp{font-family:var(--display);font-weight:800;font-size:34px;letter-spacing:-.02em}
.plan ul{list-style:none;padding-left:0;gap:9px}
.plan li{position:relative;padding-left:26px}
.plan li::before{content:"";position:absolute;left:0;top:3px;width:16px;height:16px;border-radius:50%;background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.2 4.8-5' fill='none' stroke='%231667A8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}

/* footer */
.foot{border-top:1px solid var(--line);background:var(--surface);margin-top:8px}
.foot .wrap{display:flex;justify-content:space-between;gap:16px 32px;flex-wrap:wrap;padding-block:22px;font-size:13px;color:var(--muted)}
.foot b{color:var(--ink);font-family:var(--display);font-size:16px}
.foot .disc{max-width:62ch}
@media (prefers-reduced-motion:reduce){.preview{transform:none}.btn:hover,a.qcard:hover,.pcard:hover,.mode:hover{transform:none}}

@media (max-width:700px){
  .top .wrap{gap:8px 12px}
  .tabs{order:3;flex:1 0 100%;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;margin-inline:-4px;padding-bottom:2px}
  .tabs::-webkit-scrollbar{display:none}
  .tabs a{white-space:nowrap;flex:none;padding:6px 12px}
  .top .acct{margin-left:auto}
  .savestate{font-size:12px}
}

/* ===== website additions ===== */
.acct .ini{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:13px;flex:none}
.acct.out{border-color:var(--accent);color:var(--accent-text);font-weight:600}
.authwrap{display:grid;place-items:center;padding-block:10px 30px}
.auth{max-width:460px;width:100%;display:flex;flex-direction:column;gap:14px;padding:28px}
.auth h1{font-size:clamp(24px,3.4vw,30px)}
.gbtn{background:var(--surface)!important;color:var(--ink)!important;border:1px solid var(--line)!important;justify-content:center;box-shadow:var(--shadow-sm)!important}
.gbtn:hover{background:var(--sunk)!important}
.or{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.markopts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:12px}
.aibox.tutor{background:var(--surface);border-color:var(--line)}
.studans{white-space:pre-wrap;font-family:var(--mono);font-size:13px;background:var(--sunk);border-radius:8px;padding:12px;max-height:420px;overflow:auto}
.tgp .tnote{width:100%;margin-top:6px;font-size:13px}
.chk{display:flex;gap:8px;align-items:center;font-weight:500}
.err{color:var(--bad);font-weight:500;font-size:14px}
.empty{text-align:center;padding:40px 20px}
.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:14px}
.form .wide{grid-column:1/-1}
.foot a{color:var(--muted)}
.foot nav{display:flex;gap:16px;flex-wrap:wrap}

/* ===== admin dashboard ===== */
.insstats{grid-template-columns:repeat(auto-fit,minmax(min(46%,220px),1fr))}
.insstats .stat .v{font-size:28px}
@media (max-width:520px){.insstats{gap:8px}.insstats .stat{padding:12px 12px 12px 16px}.insstats .stat .v{font-size:22px}}
.insgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:12px}
.insc{padding:16px 18px}
.instbl{width:100%}
.instbl td{vertical-align:middle}
.instbl .nowrap{white-space:nowrap}
.accc{display:flex;align-items:center;gap:8px;min-width:130px}
.accc .bar{flex:1;min-width:60px;grid-column:auto;grid-row:auto}
.accc span{font-family:var(--mono);font-size:13px;font-variant-numeric:tabular-nums;width:3.2em;text-align:right}
.instbl th.n{font-family:inherit}
.instbl .qcol{min-width:240px}

/* decision insights */
.hb{display:grid;gap:8px;margin-top:8px}
.hb-r{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(60px,1fr) 78px;gap:10px;align-items:center;font-size:14px}
.hb-l{min-width:0;overflow:hidden;text-overflow:ellipsis}
.hb-b{height:10px;border-radius:999px;background:var(--sunk);overflow:hidden}
.hb-b i{display:block;height:100%;border-radius:999px;background:var(--accent)}
.hb-v{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.hb-v span{color:var(--muted);font-weight:400;margin-left:6px;font-size:12.5px}
.fun{display:grid;gap:12px;margin-top:12px}
.fun-r{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(80px,2fr) 96px;gap:12px;align-items:center}
.fun-l{display:flex;flex-direction:column}
.fun-b{height:22px;border-radius:8px;background:var(--sunk);overflow:hidden}
.fun-b i{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,var(--au1),var(--accent))}
.fun-v{text-align:right;font-variant-numeric:tabular-nums;font-weight:700;font-size:16px}
.fun-v span{display:block;color:var(--muted);font-weight:500;font-size:12.5px}
.card h3{font-size:15px;margin-top:4px}
@media (max-width:560px){.hb-r{grid-template-columns:minmax(0,1fr) 70px}.hb-b{grid-column:1/-1;grid-row:2}.fun-r{grid-template-columns:minmax(0,1fr) 70px}.fun-b{grid-column:1/-1;grid-row:2}}
/* ===================== Fincora theme 2: clean product-page look (large type, grey canvas, aurora hero) ===================== */
@font-face{font-family:"Inter Var";src:url("/fonts/inter-var.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
/* Dark navy is the default; light is opt-in with the switch. Everything leans blue. */
:root{
  --display:"Inter Var", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  --body:"Inter Var", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --mono:ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  --r:22px; --r-sm:12px; --ease:cubic-bezier(.25,.8,.25,1);
  --seal:#1667A8; --seal-hi:#3B93D9; --seal-lo:#0A3762;
  --au1:#1D4ED8; --au2:#2F7BFF; --au3:#22B8F0; --au4:#6366F1;
}
:root:not([data-theme="light"]){
  --paper:#040A17; --surface:#0A1428; --sunk:#12203B; --ink:#EAF1FF; --muted:#8FA3C6; --line:#172744; --line-2:#22375E;
  --accent:#2F7BFF; --accent-fill:#1A66E6; --accent-ink:#FFFFFF; --accent-soft:#0E2550; --accent-text:#7FB2FF;
  --gold:#E2BC62; --gold-hi:#F3DA94; --gold-soft:#2A2312;
  --good:#3DD68C; --good-soft:#0B2A1F; --bad:#FF6B6B; --bad-soft:#36141A; --warn:#FFB547; --warn-soft:#33240D; --alert-on-ink:#FFD27A;
  --shadow-sm:0 1px 2px rgba(0,0,0,.5); --shadow-md:0 30px 60px -24px rgba(0,0,0,.85),0 0 0 1px rgba(127,178,255,.08);
  --glow:rgba(47,123,255,.4); --bar-bg:#12203B; --bar-ink:#EAF1FF;
  --nav:rgba(4,10,23,.72); --hero-bg:#040A17; --show-bg:#020611; --show-ink:#EAF1FF; --show-muted:#8FA3C6; --aur-op:.55;
  --wm-a:#FFFFFF; --wm-b:#7FB2FF; color-scheme:dark;
}
:root[data-theme="light"]{
  --paper:#F1F5FC; --surface:#FFFFFF; --sunk:#E5EDFA; --ink:#0A1A33; --muted:#56698A; --line:#DCE5F4; --line-2:#C7D5EC;
  --accent:#0A62E8; --accent-fill:#0A62E8; --accent-ink:#FFFFFF; --accent-soft:#E3EEFE; --accent-text:#0A55CC;
  --gold:#9A6A12; --gold-hi:#E2BC62; --gold-soft:#FBF3E2;
  --good:#167A42; --good-soft:#E3F4EA; --bad:#C8201B; --bad-soft:#FCE9E8; --warn:#A65A00; --warn-soft:#FDF1E1; --alert-on-ink:#FFD27A;
  --shadow-sm:0 1px 2px rgba(10,26,51,.05),0 4px 16px -8px rgba(10,26,51,.1); --shadow-md:0 2px 4px rgba(10,26,51,.04),0 24px 48px -20px rgba(10,60,140,.22);
  --glow:rgba(10,98,232,.28); --bar-bg:#0A1A33; --bar-ink:#F1F5FC;
  --nav:rgba(255,255,255,.75); --hero-bg:#FFFFFF; --show-bg:#040A17; --show-ink:#EAF1FF; --show-muted:#8FA3C6; --aur-op:.4;
  --wm-a:#0A1A33; --wm-b:#0A62E8; color-scheme:light;
}

html{overflow-x:clip}
body{margin:0}
body{font-family:var(--body);font-size:16px;line-height:1.5;letter-spacing:-.011em;background:var(--paper);color:var(--ink);overflow-x:clip;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-optical-sizing:auto}
h1,h2,h3{font-family:var(--display);color:var(--ink)}
h1{font-weight:700;font-size:clamp(30px,4.4vw,44px);letter-spacing:-.028em;line-height:1.08}
h2{font-weight:650;font-size:clamp(21px,2.4vw,26px);letter-spacing:-.022em;line-height:1.15}
h3{font-weight:650;font-size:18px;letter-spacing:-.016em}
a{color:var(--accent-text)}
::selection{background:color-mix(in srgb,var(--accent) 26%,transparent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:8px}
.label{text-transform:none;letter-spacing:-.005em;font-size:13px;font-weight:600;color:var(--muted)}
.num,.mono{font-variant-numeric:tabular-nums}
main{padding-block:32px 80px}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- navigation: thin frosted bar ---------- */
.top{background:var(--nav);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid color-mix(in srgb,var(--line-2) 55%,transparent);box-shadow:none}
.top .wrap{min-height:56px;gap:18px;padding-block:4px}
.brand{gap:9px}
.brand .mark{display:none}
.brand b{font-family:var(--display);font-weight:760;font-size:22px;letter-spacing:-.045em;line-height:1;padding:2px 0 3px;
  background:linear-gradient(100deg,var(--wm-a) 30%,var(--wm-b));-webkit-background-clip:text;background-clip:text;color:transparent}
.brand .tag{display:none}
#brandpaper{font-family:var(--body);font-weight:600;font-size:12px;letter-spacing:0;background:var(--sunk);color:var(--ink);border:0;border-radius:999px;padding:3px 9px}
.tabs{flex:0 1 auto;gap:2px;background:transparent;border:0;padding:0;margin-right:auto}
.tabs a{border-radius:999px;padding:6px 12px;font-size:14px;font-weight:500;color:var(--muted);text-decoration:none;transition:color .2s var(--ease),background .2s var(--ease)}
.tabs a:hover{color:var(--ink)}
.tabs a[aria-current="page"]{color:var(--ink);background:var(--sunk);box-shadow:none}
.tabs:empty{display:none}
.acct{border:0;background:var(--sunk);box-shadow:none;font-weight:500;transition:background .2s var(--ease)}
.acct:hover{background:var(--line)}
.acct.out{background:var(--accent-fill);color:var(--accent-ink);padding:7px 15px;font-weight:600;font-size:13.5px}
.acct.out:hover{background:color-mix(in srgb,var(--accent-fill) 86%,#000)}
.acct .ini{background:linear-gradient(145deg,var(--au1),var(--au2));color:#fff}
.acct .ap{background:var(--surface);color:var(--ink)}
.themebtn{width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:50%;border:0;background:transparent;color:var(--ink);cursor:pointer;transition:background .2s var(--ease)}
.themebtn:hover{background:var(--sunk)}
.themebtn svg{width:18px;height:18px}
.themebtn .sun{display:none}
.themebtn[data-mode="dark"] .sun{display:block} .themebtn[data-mode="dark"] .moon{display:none}

/* ---------- buttons: pills ---------- */
.btn{border-radius:999px;font-weight:600;font-size:15px;letter-spacing:-.01em;padding:10px 20px;border:1px solid transparent;box-shadow:none;transition:background .2s var(--ease),color .2s var(--ease),transform .15s var(--ease),border-color .2s var(--ease);filter:none}
.btn:hover:not(:disabled){transform:none;filter:none}
.btn:active:not(:disabled){transform:scale(.98)}
.btn:not(.quiet):not(.ghost):not(.danger):not(.gbtn){background:var(--accent-fill);border-color:var(--accent-fill);color:var(--accent-ink);box-shadow:none}
.btn:not(.quiet):not(.ghost):not(.danger):not(.gbtn):hover:not(:disabled){background:color-mix(in srgb,var(--accent) 88%,#000)}
.btn.ghost{background:transparent;border-color:var(--accent);color:var(--accent-text)}
.btn.ghost:hover:not(:disabled){background:var(--accent-fill);color:var(--accent-ink)}
.btn.quiet{background:var(--sunk);border-color:transparent;color:var(--ink)}
.btn.quiet:hover:not(:disabled){background:var(--line)}
.btn.sm{padding:6px 14px;font-size:13.5px}
.btn.lg{padding:13px 26px;font-size:17px}
.exambar .btn{background:var(--bar-ink)!important;color:var(--bar-bg)!important;border-color:var(--bar-ink)!important}

/* ---------- surfaces: borderless white tiles on a grey canvas ---------- */
.card,.plan,.qcard,.pcard,.mode,details.rv,.stat{border:0;box-shadow:none;background:var(--surface)}
.card{border-radius:var(--r);padding:26px}
.banner{border-radius:16px;border:0;padding:14px 18px}
.banner.info{background:var(--accent-soft)}
.hello h1{margin-top:4px}
.crumbs{font-size:13.5px}
.stat::before{display:none}
.stat{border-radius:var(--r);padding:20px 22px}
.stat .v{font-family:var(--display);font-weight:650;font-size:38px;letter-spacing:-.03em}
.score{font-family:var(--display);font-weight:700;font-size:64px;letter-spacing:-.04em}
.bar{background:var(--sunk);height:6px;border-radius:999px}
.bar i{background:var(--accent);border-radius:999px}
.bar i.good{background:var(--good)} .bar i.bad{background:var(--bad)} .bar i.warn{background:var(--warn)}
.progress-strip{background:var(--sunk);border-radius:999px}
.progress-strip i{background:linear-gradient(90deg,var(--au1),var(--au2))}
.pill{background:var(--sunk);color:var(--muted);font-weight:600}
.chip{border:1px solid var(--line-2);background:var(--surface);font-size:14px;padding:7px 14px}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.qhead .qn{background:var(--ink);color:var(--paper);font-family:var(--body);font-weight:700;border-radius:8px}
.ledger tr.tot td{border-bottom-color:var(--ink)}
.ledger th,.tbl th{text-transform:none;letter-spacing:0;font-family:var(--body)}
.ledger td.n,.ledger th.n{font-family:var(--body);font-variant-numeric:tabular-nums}
select,input[type=text],input[type=email],input[type=number],textarea{border-radius:12px}

/* answer options */
.opt{border-radius:14px;border:1px solid var(--line-2);padding:14px 16px;transition:border-color .15s var(--ease),background .15s var(--ease)}
.opt:hover:not(:disabled){border-color:var(--ink)}
.opt .ol{font-family:var(--body);font-weight:650;border-color:var(--line-2)}
.opt.sel{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 1px var(--accent) inset}
.opt.sel .ol{background:var(--accent-fill);border-color:var(--accent-fill);color:#fff}
.opt.right{box-shadow:0 0 0 1px var(--good) inset} .opt.wrong{box-shadow:0 0 0 1px var(--bad) inset}
.qb{font-family:var(--body);font-weight:600;border-radius:9px;background:var(--surface);border-color:var(--line-2)}
.qb.ans{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-text)}
.qb.cur{outline:2px solid var(--accent);outline-offset:2px}
.exambar{background:color-mix(in srgb,var(--bar-bg) 92%,transparent);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:var(--bar-ink);border:0;border-radius:18px;box-shadow:0 16px 32px -20px rgba(0,0,0,.6)}
.timer{font-family:var(--body);font-weight:700;font-variant-numeric:tabular-nums}
.aibox{border-color:color-mix(in srgb,var(--au2) 30%,transparent);background:color-mix(in srgb,var(--au2) 7%,var(--surface))}
.aitag{text-transform:none;letter-spacing:0;color:var(--au2);font-size:13px}

/* qualification page: paper tiles */
.pcard{border-radius:20px;padding:20px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.pcard:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-md)}
.pcard:disabled{background:transparent;border:1px dashed var(--line-2)}
.pcard .pcode{font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:-.02em;color:var(--qt,var(--accent-text))}
.pcard .pname{font-weight:550}
.pcard.cur{box-shadow:0 0 0 2px var(--accent) inset}
.plevel h2{font-size:clamp(22px,2.6vw,28px)}
.qicon{width:56px;height:56px;border-radius:16px;font-family:var(--display);font-weight:700;font-size:14px;letter-spacing:-.01em;color:#fff;border:0;
  display:grid;place-items:center;text-align:center;line-height:1.05;padding:0 4px;
  background:linear-gradient(145deg,color-mix(in srgb,var(--qc,var(--accent)) 78%,#fff),var(--qc,var(--accent)));box-shadow:none;text-shadow:none}
.mode{border-radius:20px}
.mode .mt{font-family:var(--body);font-weight:650}
.mode .mm{font-family:var(--body);color:var(--muted)}
.plan{border-radius:24px}
.plan.hl{box-shadow:0 0 0 2px var(--accent) inset;background:var(--surface)}
.plan .pn{font-family:var(--display);font-weight:700;font-size:26px;letter-spacing:-.025em}
.plan .pp{font-family:var(--display);font-weight:700;font-size:44px;letter-spacing:-.04em}

/* qualification colours (also used for paper codes) */
.q-acca{--qc:#2F7BFF} .q-cma{--qc:#14A3E0} .q-cfa{--qc:#5865F2} .q-cia{--qc:#0EA5C6} .q-frm{--qc:#7C83FF} .q-cima{--qc:#4A90E2}
.q-icaew{--qc:#3B5BDB} .q-icap{--qc:#0B8BD9} .q-cpa{--qc:#1E6FFF} .q-cfp{--qc:#6A8CFF} .q-uae{--qc:#16B4E8}
:root:not([data-theme="light"]) [class*="q-"]{--qt:color-mix(in srgb,var(--qc) 62%,#fff)}
:root[data-theme="light"] [class*="q-"]{--qt:color-mix(in srgb,var(--qc) 88%,#000)}

/* ===================== home page ===================== */
.home{display:flex;flex-direction:column;gap:0;margin-top:-32px}
.bleed{width:100vw;margin-left:calc(50% - 50vw);position:relative}
.bleed>.in{max-width:1120px;margin:0 auto;padding-inline:max(16px,env(safe-area-inset-left,0px))}

/* hero */
.h-hero{background:var(--hero-bg);overflow:hidden;isolation:isolate;padding:clamp(64px,10vw,120px) 0 clamp(56px,8vw,96px);text-align:center}
.aurora{position:absolute;inset:auto 0 -10% 0;height:78%;z-index:-1;pointer-events:none;filter:blur(70px) saturate(1.2);opacity:var(--aur-op)}
.aurora i{position:absolute;border-radius:50%;mix-blend-mode:normal}
.aurora i:nth-child(1){width:46%;height:70%;left:8%;bottom:4%;background:var(--au1)}
.aurora i:nth-child(2){width:40%;height:62%;left:34%;bottom:12%;background:var(--au2)}
.aurora i:nth-child(3){width:38%;height:66%;right:10%;bottom:0;background:var(--au3)}
.aurora i:nth-child(4){width:28%;height:44%;right:2%;bottom:30%;background:var(--au4);opacity:.85}
.h-hero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(180deg,var(--hero-bg) 14%,color-mix(in srgb,var(--hero-bg) 20%,transparent) 60%,var(--hero-bg) 100%)}

.h-hero .greet{font-size:17px;font-weight:600;color:var(--muted);margin:0 0 14px}
.h-hero h1{font-size:clamp(46px,8.4vw,100px);font-weight:750;letter-spacing:-.045em;line-height:1;margin:0 auto;max-width:12ch;text-wrap:balance;padding-bottom:.06em;
  background:linear-gradient(180deg,var(--wm-a) 35%,var(--wm-b) 115%);-webkit-background-clip:text;background-clip:text;color:transparent}
.h-lede{font-size:clamp(18px,2vw,22px);line-height:1.4;color:var(--muted);max-width:42ch;margin:24px auto 0;letter-spacing:-.016em;text-wrap:balance}

/* the exam finder: one big rounded prompt box */
.ask{position:relative;max-width:680px;margin:40px auto 0;text-align:left;background:color-mix(in srgb,var(--surface) 92%,transparent);
  -webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border:1px solid color-mix(in srgb,var(--line-2) 80%,transparent);border-radius:26px;
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 30px 60px -30px var(--glow);transition:box-shadow .25s var(--ease),border-color .25s var(--ease)}
.ask:focus-within{border-color:color-mix(in srgb,var(--accent) 55%,transparent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 14%,transparent),0 30px 60px -30px rgba(40,40,90,.4)}
.ask-row{display:flex;align-items:center;gap:12px;padding:18px 20px 6px}
.ask-row svg{width:22px;height:22px;flex:none;color:var(--muted)}
.ask input{flex:1;min-width:0;border:0;outline:0;background:transparent;font:inherit;font-size:clamp(17px,2vw,19px);letter-spacing:-.015em;color:var(--ink);padding:6px 0}
.ask input::placeholder{color:var(--muted);opacity:.85}
.ask input::-webkit-search-cancel-button{-webkit-appearance:none}
.ask-foot{display:flex;align-items:center;gap:10px;padding:8px 10px 10px 18px}
.ask-chips{display:flex;gap:6px;flex-wrap:wrap;flex:1;min-width:0}
.ask-chips button{font:inherit;font-size:13px;font-weight:550;color:var(--ink);background:var(--sunk);border:0;border-radius:999px;padding:6px 12px;cursor:pointer;transition:background .2s var(--ease)}
.ask-chips button:hover{background:var(--line)}
.ask-go{flex:none;width:40px;height:40px;border-radius:50%;border:0;background:var(--accent-fill);color:var(--accent-ink);display:grid;place-items:center;cursor:pointer;transition:opacity .2s var(--ease),transform .15s var(--ease)}
.ask-go:active{transform:scale(.94)}
.ask-go svg{width:18px;height:18px}
.ask-res{border-top:1px solid var(--line);margin:6px 0 0;padding:6px;max-height:min(380px,52vh);overflow:auto}
.ask-res[hidden]{display:none}
.ask-res .hr{display:grid;grid-template-columns:116px 1fr auto;gap:4px 14px;align-items:center;width:100%;text-align:left;font:inherit;color:var(--ink);background:transparent;border:0;border-radius:14px;padding:10px 12px;cursor:pointer;text-decoration:none}
.ask-res .hr:hover,.ask-res .hr.on{background:var(--sunk)}
.ask-res .hc{font-weight:700;letter-spacing:-.015em;color:var(--qt,var(--accent-text));min-width:76px}
.ask-res .hn{font-weight:500;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.3}
.ask-res .hq{font-size:13px;color:var(--muted);white-space:nowrap}
.ask-res .none{padding:14px 12px;color:var(--muted);font-size:15px}
.h-sub{display:flex;flex-direction:column;align-items:center;gap:18px;margin-top:30px}
.h-sub .proof{font-size:15px;color:var(--muted);margin:0}
.h-sub .proof b{color:var(--ink);font-weight:650}

/* one orchestrated moment: the hero settles in on load */
@keyframes h-rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes h-glow{from{opacity:0;transform:scale(.92)}to{opacity:var(--aur-op);transform:none}}
.h-hero h1{animation:h-rise .9s var(--ease) both}
.h-hero .h-lede{animation:h-rise .9s .08s var(--ease) both}
.h-hero .ask{animation:h-rise .9s .16s var(--ease) both}
.h-hero .h-sub{animation:h-rise .9s .24s var(--ease) both}
.h-hero .aurora{animation:h-glow 1.6s .1s var(--ease) both}

/* section headings */
.h-sec{padding:clamp(64px,9vw,112px) 0 0}
.h-head{max-width:760px;margin-bottom:34px}
.h-head h2{font-size:clamp(34px,5vw,56px);font-weight:750;letter-spacing:-.04em;line-height:1.04}
.h-head p{font-size:clamp(17px,1.8vw,21px);color:var(--muted);margin-top:14px;max-width:46ch;letter-spacing:-.015em;line-height:1.4}
.h-sec .banner{margin-bottom:24px}

/* qualification tiles */
.qtiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:18px}
.qtile{position:relative;display:flex;flex-direction:column;gap:6px;min-height:236px;padding:28px 28px 24px;border-radius:28px;background:var(--surface);color:var(--ink);text-decoration:none;overflow:hidden;isolation:isolate;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.qtile::before{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;z-index:-1;background:radial-gradient(closest-side,color-mix(in srgb,var(--qc) 30%,transparent),transparent);transition:transform .6s var(--ease)}
a.qtile:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
a.qtile:hover::before{transform:scale(1.25)}
.qt-abbr{font-family:var(--display);font-weight:750;font-size:44px;letter-spacing:-.045em;line-height:1;color:var(--qt,var(--qc))}
.qt-full{font-size:15px;color:var(--muted);line-height:1.4;max-width:30ch;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.qt-meta{margin-top:auto;padding-top:22px;font-size:15px;font-weight:550;color:var(--ink)}
.qt-go{font-size:15px;font-weight:600;color:var(--accent-text)}
.qt-go::after{content:"";display:inline-block;width:7px;height:7px;margin-left:7px;border:solid currentColor;border-width:2px 2px 0 0;transform:translateY(-1px) rotate(45deg);transition:transform .25s var(--ease)}
a.qtile:hover .qt-go::after{transform:translate(3px,-1px) rotate(45deg)}
.qtile.soon{background:transparent;border:1px dashed var(--line-2)}

/* dark showcase */
.h-show{margin-top:clamp(64px,9vw,112px);background:var(--show-bg);border-block:1px solid var(--line);color:var(--show-ink);padding:clamp(72px,10vw,128px) 0 clamp(64px,8vw,104px);text-align:center;overflow:hidden;isolation:isolate}
.h-show h2{color:var(--show-ink);font-size:clamp(36px,5.6vw,64px);font-weight:750;letter-spacing:-.045em;line-height:1.02;max-width:14ch;margin:0 auto;text-wrap:balance}
.h-show .sub{font-size:clamp(17px,1.9vw,21px);color:var(--show-muted);max-width:44ch;margin:18px auto 0;line-height:1.4;letter-spacing:-.015em}
.h-show::before{content:"";position:absolute;left:50%;top:58%;width:min(1100px,120vw);height:520px;transform:translate(-50%,-50%);z-index:-1;border-radius:50%;
  background:radial-gradient(closest-side,rgba(47,123,255,.42),rgba(34,184,240,.14) 55%,transparent);filter:blur(30px)}
.shot{max-width:900px;margin:56px auto 0;border-radius:22px;background:#0A1428;color:#EAF1FF;text-align:left;overflow:hidden;
  box-shadow:0 0 0 1px rgba(127,178,255,.16),0 50px 100px -40px rgba(0,0,0,.9),0 0 80px -20px rgba(47,123,255,.35);font-size:14px;letter-spacing:-.01em}
.shot-bar{display:flex;align-items:center;gap:14px;padding:12px 18px;background:#12203B;color:#EAF1FF;font-weight:600;font-size:13.5px}
.shot-bar .t{margin-left:auto;font-variant-numeric:tabular-nums;font-weight:700;font-size:15px}
.shot-bar .f{border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:3px 11px;font-size:12.5px}
.shot-body{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:0}
.shot-q{padding:26px 28px 28px}
.shot-q .n{font-size:13px;font-weight:600;color:#8FA3C6}
.shot-q p{font-size:16.5px;font-weight:550;line-height:1.45;margin:8px 0 18px;max-width:52ch}
.shot-q ol{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.shot-q li{display:flex;gap:12px;align-items:center;border:1px solid #22375E;border-radius:12px;padding:11px 14px;font-weight:500}
.shot-q li b{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;border:1px solid #2C4470;font-size:12px;font-weight:650;flex:none}
.shot-q li.on{border-color:#2F7BFF;background:#0E2550;box-shadow:0 0 0 1px #2F7BFF inset}
.shot-q li.on b{background:#2F7BFF;border-color:#2F7BFF;color:#fff}
.shot-nav{border-left:1px solid #172744;padding:22px 18px;background:#07101F}
.shot-nav .h{font-size:12.5px;font-weight:650;color:#8FA3C6}
.shot-nav .g{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-top:12px}
.shot-nav .g i{aspect-ratio:1;border-radius:7px;border:1px solid #22375E;background:#0A1428;display:grid;place-items:center;font-style:normal;font-size:10.5px;font-weight:600;color:#8FA3C6}
.shot-nav .g i.a{background:#0E2550;border-color:#2F7BFF;color:#7FB2FF}
.shot-nav .g i.c{outline:2px solid #7FB2FF;outline-offset:1px;color:#EAF1FF}
.shot-nav .g i.fl{background:#33240D;border-color:#FFB547;color:#FFB547}
.h-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;max-width:900px;margin:64px auto 0;text-align:left}
.h-facts b{display:block;font-size:19px;font-weight:650;letter-spacing:-.02em;color:var(--show-ink)}
.h-facts span{display:block;margin-top:6px;color:var(--show-muted);font-size:15.5px;line-height:1.45}

/* closing call to action */
.h-end{text-align:center;padding:clamp(72px,10vw,120px) 0 clamp(24px,4vw,40px)}
.h-end h2{font-size:clamp(34px,5vw,56px);font-weight:750;letter-spacing:-.04em;line-height:1.04}
.h-end p{font-size:clamp(17px,1.8vw,21px);color:var(--muted);margin:14px auto 0;max-width:40ch}
.h-end .ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:30px}

@media (max-width:760px){
  .shot-body{grid-template-columns:minmax(0,1fr)}
  .shot-nav{display:none}
  .shot-q{padding:20px}
  .h-facts{grid-template-columns:minmax(0,1fr);gap:22px}
  .ask-foot{padding-left:14px}
  .ask-res .hr{grid-template-columns:auto 1fr}
  .ask-res .hq{display:none}
}

/* footer */
.foot{background:var(--paper);border-top:1px solid var(--line)}
.foot .wrap{font-size:12.5px;color:var(--muted);padding-block:28px}
.foot b{font-family:var(--display);font-weight:700;font-size:17px;letter-spacing:-.025em}
.foot a{color:var(--muted)} .foot a:hover{color:var(--ink)}

/* page change */
@keyframes fin-enter{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
#app.enter>*{animation:fin-enter .3s var(--ease) both}

@media (prefers-reduced-motion:reduce){
  #app.enter>*,.h-hero h1,.h-hero .h-lede,.h-hero .ask,.h-hero .h-sub,.h-hero .aurora{animation:none}
  .qtile,.pcard,.qtile::before{transition:none}
  a.qtile:hover,.pcard:hover:not(:disabled){transform:none}
}
@media (max-width:1280px){.brand .tag{display:none}}
@media (max-width:560px){.brand b{font-size:18px}.acct .ap{display:none}.top .wrap{gap:8px 10px}.h-hero h1{letter-spacing:-.04em}}
@media (max-width:700px){.tabs a{padding:6px 10px}}
@media (max-width:700px){
  .tabs{order:3;flex:1 0 100%;margin-right:0}
  .themebtn{margin-left:auto}
  .top .acct{margin-left:0}
}
@media (max-width:560px){
  .qtiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .qtile{min-height:0;padding:20px 18px 18px;border-radius:22px}
  .qt-abbr{font-size:30px}
  .qtile .qt-abbr{overflow-wrap:anywhere}
  .qt-full{font-size:13px}
  .qt-meta{padding-top:14px;font-size:13.5px}
  .qt-go{font-size:14px}
  .ask-chips button:nth-child(n+4){display:none}
}

/* ===== sign-up push, launch offer, feedback ===== */
.h-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.h-offer{margin:0;font-size:15px;color:var(--accent-text);font-weight:550}
.launch-card{border-radius:28px;padding:clamp(28px,4vw,44px);background:radial-gradient(600px 260px at 85% 0%,color-mix(in srgb,var(--au3) 22%,transparent),transparent 70%),radial-gradient(520px 260px at 0% 100%,color-mix(in srgb,var(--au1) 28%,transparent),transparent 70%),var(--surface);border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line))}
.launch-card .lc-k{margin:0;font-size:14px;font-weight:650;color:var(--accent-text)}
.launch-card h2{font-size:clamp(28px,4vw,44px);font-weight:750;letter-spacing:-.035em;line-height:1.08;margin:8px 0 0;max-width:20ch}
.launch-card p{color:var(--muted);font-size:17px;max-width:56ch;margin:14px 0 0}
.launch-card ul{margin:18px 0 26px;padding:0;list-style:none;display:grid;gap:8px}
.launch-card li{display:flex;gap:10px;align-items:center;font-weight:500}
.launch-card li::before{content:"";flex:none;width:18px;height:18px;border-radius:50%;background:var(--accent) no-repeat center/11px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.3 2.3 4.7-5' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.fbbtn{position:fixed;right:max(16px,env(safe-area-inset-right,0px));bottom:max(16px,env(safe-area-inset-bottom,0px));z-index:30;border:0;border-radius:999px;padding:11px 18px;font:inherit;font-size:14px;font-weight:650;cursor:pointer;
  background:var(--accent-fill);color:var(--accent-ink);box-shadow:0 10px 30px -10px var(--glow),0 2px 6px rgba(0,0,0,.2);transition:transform .15s var(--ease)}
.fbbtn:hover{transform:translateY(-1px)} .fbbtn[hidden]{display:none}
.fbq{margin-left:auto;border:0;background:transparent;color:var(--muted);font:inherit;font-size:12.5px;font-weight:550;cursor:pointer;padding:3px 6px;border-radius:8px}
.fbq:hover{color:var(--accent-text);background:var(--sunk)}
.qhead{display:flex;flex-wrap:wrap;align-items:center}
.fbm{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:16px}
.fbm[hidden]{display:none}
.fbm-bg{position:absolute;inset:0;background:rgba(2,6,17,.62);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.fbm-box{position:relative;width:min(520px,100%);max-height:calc(100vh - 32px);overflow:auto;background:var(--surface);border:1px solid var(--line-2);border-radius:24px;padding:28px;box-shadow:0 40px 80px -30px rgba(0,0,0,.7)}
.fbm-box.in{animation:fin-enter .25s var(--ease) both}
.fbm-box h2{font-size:24px;font-weight:700;letter-spacing:-.025em;margin:0 32px 0 0}
.fbm-box p{color:var(--muted);margin:10px 0 0}
.fbm-box .fbm-note{color:var(--accent-text);font-weight:550}
.fbm-x{position:absolute;right:14px;top:14px;width:34px;height:34px;border-radius:50%;border:0;background:var(--sunk);color:var(--ink);font-size:20px;line-height:1;cursor:pointer}
.fbm-rate{display:flex;align-items:center;gap:8px;margin-top:20px;font-size:13px;color:var(--muted)}
.fbm-rate button{width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);font:inherit;font-weight:650;cursor:pointer}
.fbm-rate button[aria-checked="true"]{background:var(--accent-fill);border-color:var(--accent-fill);color:var(--accent-ink)}
.fbm-topics{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.fbm-box textarea{width:100%;margin-top:14px;min-height:96px;resize:vertical;font:inherit;padding:12px 14px;border:1px solid var(--line-2);background:var(--paper);color:var(--ink)}
.fbm-act{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.fbm .err{color:var(--bad);margin-top:10px}
.fbrow-h{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.fbrow-m{white-space:pre-wrap;margin:12px 0}
.fbrow.done{opacity:.6}
@media (max-width:560px){.fbbtn{padding:10px 15px;font-size:13px}.fbm-rate button{width:38px;height:38px}.fbm-box{padding:22px}}
@media (prefers-reduced-motion:reduce){.fbm-box{animation:none}}

/* sign-up gate, top-bar feedback, welcome questions */
.fbtop{border:1px solid var(--line-2);background:transparent;color:var(--ink);border-radius:999px;padding:6px 14px;font:inherit;font-size:13.5px;font-weight:600;cursor:pointer;transition:background .2s var(--ease),border-color .2s var(--ease)}
.fbtop:hover{background:var(--sunk);border-color:var(--accent)} .fbtop[hidden]{display:none}
@media (max-width:700px){.fbtop{margin-left:auto}.fbtop~.themebtn{margin-left:0}}
@media (max-width:420px){.fbtop{padding:5px 11px;font-size:12.5px}}
.gate{max-width:720px;margin:clamp(24px,6vw,72px) auto;text-align:center}
.gate .lc-k{margin:0;font-weight:650;color:var(--accent-text)}
.gate h1{font-size:clamp(32px,5vw,52px);font-weight:750;letter-spacing:-.04em;line-height:1.05;margin:10px 0 0}
.gate p{color:var(--muted);font-size:18px;max-width:52ch;margin:16px auto 0}
.gate .ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.gate-l{list-style:none;padding:0;margin:34px auto 0;display:grid;gap:10px;max-width:460px;text-align:left}
.gate-l li{display:flex;gap:10px;align-items:center}
.gate-l li::before{content:"";flex:none;width:18px;height:18px;border-radius:50%;background:var(--accent) no-repeat center/11px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.3 2.3 4.7-5' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.fbm-box.wide{width:min(600px,100%)}
.wgrid{display:grid;gap:14px;margin-top:20px}
.wf{display:grid;gap:6px;font-size:14px;font-weight:600}
.wf select{font:inherit;font-weight:400;padding:11px 12px;border-radius:12px;border:1px solid var(--line-2);background:var(--paper);color:var(--ink);width:100%}
.q-icai{--qc:#4F7FE0}

/* ===== exam pages for search engines ===== */
.seo{max-width:880px}
.seo section{margin-top:44px}
.seo .seo-hero{margin-top:10px}
.seo-hero .lc-k{margin:0;font-weight:650;color:var(--accent-text);font-size:14px}
.seo-hero h1{font-size:clamp(32px,5vw,52px);font-weight:750;letter-spacing:-.04em;line-height:1.06;margin:10px 0 0}
.seo-lead{font-size:18px;color:var(--muted);max-width:60ch;margin:16px 0 0;line-height:1.5}
.seo .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.seo-facts{list-style:none;padding:0;margin:30px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.seo-facts li{background:var(--surface);border-radius:18px;padding:16px 18px;display:flex;flex-direction:column}
.seo-facts b{font-size:26px;font-weight:750;letter-spacing:-.03em}
.seo-facts span{color:var(--muted);font-size:14px}
.seo h2{font-size:clamp(24px,3vw,32px);font-weight:720;letter-spacing:-.03em;margin-bottom:6px}
.seo .ledger{width:100%;margin-top:12px}
.seo-topics{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:8px}
.seo-topics li{display:flex;justify-content:space-between;gap:12px;background:var(--surface);border-radius:14px;padding:12px 16px}
.seo-topics b{white-space:nowrap;color:var(--muted);font-weight:550}
.seo-q{margin-top:14px}
.seo-stem{font-size:17px;font-weight:550;margin:8px 0 12px;line-height:1.5}
.seo-opts{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.seo-opts li{display:flex;gap:12px;border:1px solid var(--line-2);border-radius:12px;padding:10px 14px}
.seo-opts li b{flex:none;width:22px;height:22px;border-radius:50%;border:1px solid var(--line-2);display:grid;place-items:center;font-size:12px}
.seo details{margin-top:14px}
.seo summary{cursor:pointer;font-weight:650;color:var(--accent-text)}
.seo details p{margin-top:10px;color:var(--ink);line-height:1.55}
.seo .papers a.pcard{text-decoration:none}
.seo .pcard[aria-disabled="true"]{background:transparent;border:1px dashed var(--line-2);color:var(--muted)}
.seo-end{background:var(--surface);border-radius:24px;padding:28px}
.seo-quals{display:flex;flex-wrap:wrap;gap:4px 12px;margin:10px 0}
.seo-quals a{color:var(--muted);text-decoration:none} .seo-quals a:hover{color:var(--ink)}

/* ===== pre-launch accessibility and layout fixes ===== */
/* the footer no longer jumps down when the app draws (layout shift) */
#app{min-height:calc(100vh - 58px);min-height:calc(100dvh - 58px)}
#app:focus{outline:none}
.req textarea:focus,.ask:focus-within{outline:2px solid var(--accent);outline-offset:2px}
/* skip link */
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:var(--accent-fill);color:var(--accent-ink);padding:10px 16px;border-radius:10px;font-weight:600;text-decoration:none}
.skip:focus{top:10px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* phones: bigger tap targets, header on one row */
@media (max-width:560px){
  .qb,.themebtn,.fbm-x{min-width:44px;min-height:44px}
  .btn.sm,.fbq,summary,#fbtop,.tabs a{min-height:40px}
  .btn.sm,.fbq,#fbtop{display:inline-flex;align-items:center}
  .savestate:empty{display:none}
  .savestate:not(:empty){position:fixed;left:50%;bottom:calc(16px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:150;background:var(--bar-bg);color:var(--bar-ink);padding:8px 14px;border-radius:999px;font-size:13px;box-shadow:var(--shadow-md);max-width:calc(100vw - 32px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .tabs{overflow-x:auto;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,#000 85%,transparent);mask-image:linear-gradient(90deg,#000 85%,transparent)}
  .tabs::-webkit-scrollbar{display:none}
}
.card>.tbl:focus-visible{outline:3px solid var(--accent)}

/* markdown extras in scenarios and model answers */
.mdh{font-family:var(--display);font-weight:650;letter-spacing:-.015em;margin:18px 0 6px;line-height:1.3}
h3.mdh{font-size:19px} h4.mdh{font-size:17px} h5.mdh,h6.mdh{font-size:15px}
.mdh:first-child{margin-top:0}
blockquote{margin:12px 0;padding:10px 16px;border-left:3px solid var(--accent);background:var(--sunk);border-radius:0 10px 10px 0}
blockquote>:first-child{margin-top:0} blockquote>:last-child{margin-bottom:0}
hr{border:0;border-top:1px solid var(--line-2);margin:18px 0}

/* sign-in CAPTCHA, shown only when Cloudflare needs the visitor to tick it */
.ts-box{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:300}
.ts-box:empty{display:none}