[hidden]{display:none!important}

/* Layout: a catalog shelf. Flagships sit on dark "night" panels with a compounding-curve motif; NISM certifications are light cards led by their series code set huge in expanded type. Inside a program, a quiet study workspace. */
:root{
  --ground:#EDF0EF; --paper:#FFFFFF; --sunk:#E3E8E7; --ink:#0B1820; --ink-2:#34444C; --muted:#64737A; --rule:#D3DBDA;
  --cyan:#00BCD4; --cyan-ink:#00707E; --cyan-wash:#D8F1F4; --on-cyan:#02262C;
  --marigold:#F0A21A; --marigold-ink:#8F5A00; --on-marigold:#2A1A00;
  --night:#0B1820; --night-2:#132833; --night-ink:#EAF1F2; --night-muted:#9DB0B6; --night-rule:#23404C;
  --good:#17784A; --good-wash:#DFF2E8; --bad:#B3261E; --bad-wash:#FBE6E3; --warn:#8C5A00; --warn-wash:#FBEFD6;
  --display:"Archivo", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body:"Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --r:14px; --shadow:0 1px 0 rgba(11,24,32,.04), 0 8px 24px -16px rgba(11,24,32,.25);
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --ground:#071015; --paper:#0E1A20; --sunk:#0A151A; --ink:#E9F0F1; --ink-2:#BACACE; --muted:#86989E; --rule:#1E2F36;
  --cyan:#14C8DE; --cyan-ink:#4FD6E7; --cyan-wash:#0A2B31; --on-cyan:#02262C;
  --marigold:#F3AE33; --marigold-ink:#F5B947; --on-marigold:#2A1A00;
  --night:#04090C; --night-2:#0C1A20; --night-ink:#EAF1F2; --night-muted:#90A3A9; --night-rule:#1B3340;
  --good:#5CCB91; --good-wash:#0F2A1D; --bad:#FF8A80; --bad-wash:#2E1513; --warn:#E9B64C; --warn-wash:#2A2110;
  --shadow:0 0 0 1px rgba(255,255,255,.02); color-scheme:dark}}
:root[data-theme="dark"]{
  --ground:#071015; --paper:#0E1A20; --sunk:#0A151A; --ink:#E9F0F1; --ink-2:#BACACE; --muted:#86989E; --rule:#1E2F36;
  --cyan:#14C8DE; --cyan-ink:#4FD6E7; --cyan-wash:#0A2B31; --on-cyan:#02262C;
  --marigold:#F3AE33; --marigold-ink:#F5B947; --on-marigold:#2A1A00;
  --night:#04090C; --night-2:#0C1A20; --night-ink:#EAF1F2; --night-muted:#90A3A9; --night-rule:#1B3340;
  --good:#5CCB91; --good-wash:#0F2A1D; --bad:#FF8A80; --bad-wash:#2E1513; --warn:#E9B64C; --warn-wash:#2A2110;
  --shadow:0 0 0 1px rgba(255,255,255,.02); color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--ground);color:var(--ink);font-family:var(--body);font-size:15.5px;line-height:1.55;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--cyan-ink)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.d{font-family:var(--display);font-stretch:112%;font-weight:800;letter-spacing:-.02em;line-height:1.02}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}

/* ---- top bar ---- */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--ground) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--rule)}
.top .wrap{display:flex;align-items:center;gap:18px;padding-block:12px;flex-wrap:wrap}
.logo{display:flex;align-items:baseline;gap:8px;background:none;border:0;padding:0}
.logo b{font-family:var(--display);font-stretch:118%;font-weight:900;font-size:22px;letter-spacing:-.03em}
.logo b i{font-style:normal;color:var(--cyan)}
.logo span{font-size:13px;color:var(--muted);font-weight:500}
.topnav{display:flex;gap:2px;margin-left:auto;align-items:center}
.topnav button{background:none;border:0;padding:8px 12px;border-radius:999px;color:var(--ink-2);font-weight:600;font-size:14px}
.topnav button[aria-current="page"]{background:var(--ink);color:var(--ground)}
.staff{font-size:12px;color:var(--marigold-ink);font-weight:600;padding-left:8px}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--rule);background:var(--paper);border-radius:999px;padding:10px 18px;font-weight:600;font-size:14.5px;color:var(--ink);text-decoration:none;white-space:nowrap}
.btn:hover{border-color:var(--ink-2)}
.btn.primary{background:var(--ink);border-color:var(--ink);color:var(--ground)}
.btn.primary:hover{background:var(--ink-2)}
.btn.cyan{background:var(--cyan);border-color:var(--cyan);color:var(--on-cyan)}
.btn.gold{background:var(--marigold);border-color:var(--marigold);color:var(--on-marigold)}
.btn.ghost-n{background:transparent;border-color:var(--night-rule);color:var(--night-ink)}
.btn:disabled{opacity:.5;cursor:default}
.btn.sm{padding:7px 13px;font-size:13.5px}
.link{background:none;border:0;padding:0;color:var(--cyan-ink);font-weight:600}

/* ---- home ---- */
.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;padding-block:56px 40px}
@media (max-width:900px){.hero{grid-template-columns:minmax(0,1fr);gap:28px;padding-block:32px 24px}}
.hero h1{font-size:clamp(38px,5.6vw,66px);margin:0 0 18px;text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--cyan-ink)}
.hero p.sub{font-size:18px;color:var(--ink-2);max-width:52ch;margin:0 0 26px}
.hero .ctas{display:flex;gap:10px;flex-wrap:wrap}
.proof{display:flex;gap:28px;flex-wrap:wrap;margin-top:30px;padding-top:20px;border-top:1px solid var(--rule)}
.proof div{min-width:0}
.proof b{display:block;font-family:var(--display);font-stretch:112%;font-weight:800;font-size:26px;letter-spacing:-.02em}
.proof span{font-size:13px;color:var(--muted)}
.demo{background:var(--paper);border:1px solid var(--rule);border-radius:20px;padding:20px;box-shadow:var(--shadow);min-width:0}
.demo .q{background:var(--cyan-wash);border-radius:14px 14px 4px 14px;padding:10px 14px;margin-left:auto;max-width:85%;font-size:14.5px}
.demo .a{margin-top:14px;font-size:14.5px}
.demo .a b.tut{display:block;font-size:12px;color:var(--cyan-ink);font-weight:700;margin-bottom:4px}
.demo .peek{margin-top:14px;border-top:1px dashed var(--rule);padding-top:12px;font-size:13px;color:var(--muted)}
.demo .peek strong{color:var(--ink-2)}
.cite{font-family:var(--body);font-weight:700;font-size:11.5px;background:var(--cyan-wash);color:var(--cyan-ink);border:1px solid color-mix(in srgb,var(--cyan) 40%,transparent);border-radius:6px;padding:0 6px;margin:0 2px;vertical-align:1px;line-height:1.6}
button.cite:hover{background:var(--cyan);color:var(--on-cyan)}

.sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin:48px 0 18px}
.sec-head h2{font-size:clamp(26px,3.2vw,36px);margin:0}
.sec-head p{margin:6px 0 0;color:var(--muted);max-width:60ch}

/* flagship panels */
.flagships{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width:900px){.flagships{grid-template-columns:minmax(0,1fr)}}
.flag{position:relative;overflow:hidden;background:var(--night);color:var(--night-ink);border-radius:22px;padding:28px;display:flex;flex-direction:column;gap:14px;min-height:340px;text-align:left;border:0}
.flag .curve{position:absolute;right:-10px;bottom:-6px;width:70%;height:60%;pointer-events:none;opacity:.9}
.flag .kick{font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--marigold)}
.flag h3{font-size:clamp(30px,3.4vw,40px);margin:0;max-width:16ch}
.flag p{margin:0;color:var(--night-muted);max-width:44ch;position:relative}
.flag .facts{display:flex;gap:22px;flex-wrap:wrap;position:relative}
.flag .facts b{display:block;font-family:var(--display);font-stretch:112%;font-weight:800;font-size:24px}
.flag .facts span{font-size:12.5px;color:var(--night-muted)}
.flag .row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:auto;position:relative}
.flag .price{font-family:var(--display);font-stretch:108%;font-weight:800;font-size:22px}
.soon{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;color:var(--marigold)}
.soon::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--marigold)}

/* continue strip */
.cont{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.cont button{display:flex;gap:14px;align-items:center;text-align:left;background:var(--paper);border:1px solid var(--rule);border-radius:var(--r);padding:14px 16px;min-width:0}
.cont button:hover{border-color:var(--ink-2)}
.cont .code{font-family:var(--display);font-stretch:118%;font-weight:900;font-size:24px;min-width:64px}
.cont .meta{min-width:0;flex:1}
.cont .meta div{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prog-bar{height:5px;background:var(--sunk);border-radius:3px;overflow:hidden;margin-top:6px}
.prog-bar i{display:block;height:100%;background:var(--cyan)}

/* NISM grid */
.group{margin-top:26px}
.group h3{font-size:14px;font-weight:700;color:var(--ink-2);margin:0 0 10px;display:flex;gap:10px;align-items:center}
.group h3::after{content:"";flex:1;height:1px;background:var(--rule)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.card{background:var(--paper);border:1px solid var(--rule);border-radius:var(--r)}
.ncard{display:flex;flex-direction:column;text-align:left;padding:0;overflow:hidden;min-width:0;border:1px solid var(--rule);background:var(--paper);border-radius:var(--r);box-shadow:var(--shadow);transition:transform .15s ease,border-color .15s ease}
.ncard:hover{border-color:var(--ink-2)}
@media (prefers-reduced-motion:no-preference){.ncard:hover{transform:translateY(-2px)}}
.ncard .band{padding:18px 18px 12px;border-bottom:1px solid var(--rule);background:linear-gradient(180deg,var(--cyan-wash),transparent 85%)}
.ncard .series{font-size:12px;font-weight:600;color:var(--muted)}
.ncard .codebig{font-family:var(--display);font-stretch:125%;font-weight:900;font-size:52px;letter-spacing:-.04em;line-height:.95;margin-top:2px}
.ncard .body{padding:14px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.ncard .name{font-weight:700;font-size:16.5px;line-height:1.3}
.ncard .fmt{font-size:13px;color:var(--muted)}
.ncard .ready{font-size:13px;display:flex;gap:7px;align-items:center;color:var(--ink-2)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--good);flex:none}
.dot.part{background:var(--marigold)}
.ncard .foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:10px;gap:8px}
.price{font-family:var(--display);font-stretch:108%;font-weight:800;font-size:19px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;border-radius:999px;padding:3px 10px;background:var(--sunk);color:var(--ink-2);white-space:nowrap}
.chip.good{background:var(--good-wash);color:var(--good)}
.chip.bad{background:var(--bad-wash);color:var(--bad)}
.chip.warn{background:var(--warn-wash);color:var(--warn)}
footer.foot{margin-top:64px;padding-block:28px;border-top:1px solid var(--rule);color:var(--muted);font-size:13px}

/* ---- program detail ---- */
.back{margin:24px 0 8px}
.pd{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:36px;align-items:start;padding-bottom:20px}
@media (max-width:900px){.pd{grid-template-columns:minmax(0,1fr)}}
.pd .series{font-weight:600;color:var(--muted)}
.pd .codebig{font-family:var(--display);font-stretch:125%;font-weight:900;font-size:clamp(64px,10vw,120px);letter-spacing:-.045em;line-height:.9;margin:4px 0 12px}
.pd h1{font-size:clamp(28px,3.4vw,40px);margin:0 0 10px}
.pd .lead{font-size:18px;color:var(--ink-2);max-width:56ch;margin:0}
.pd h2{font-size:22px;margin:36px 0 12px}
.spec{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--rule);border-radius:var(--r);background:var(--paper);overflow:hidden}
@media (max-width:640px){.spec{grid-template-columns:repeat(2,minmax(0,1fr))}}
.spec div{padding:14px 16px;border-right:1px solid var(--rule)}
.spec div:last-child{border-right:0}
.spec b{display:block;font-family:var(--display);font-stretch:112%;font-weight:800;font-size:26px}
.spec span{font-size:13px;color:var(--muted)}
.incl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
@media (max-width:760px){.incl{grid-template-columns:minmax(0,1fr)}}
.incl div{background:var(--paper);border:1px solid var(--rule);border-radius:var(--r);padding:16px}
.incl b{display:block;margin-bottom:4px}
.incl p{margin:0;font-size:14px;color:var(--muted)}
.syl{list-style:none;padding:0;margin:0;background:var(--paper);border:1px solid var(--rule);border-radius:var(--r);counter-reset:c}
.syl li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:8px;padding:11px 16px;border-bottom:1px solid var(--rule);font-size:15px}
.syl li:last-child{border-bottom:0}
.syl li span{font-family:var(--display);font-stretch:112%;font-weight:800;color:var(--muted)}
.buy{position:sticky;top:84px;background:var(--paper);border:1px solid var(--rule);border-radius:20px;padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}
.buy .price{font-size:34px}
.buy ul{margin:0;padding-left:18px;font-size:14px;color:var(--ink-2)}
.buy li{margin-bottom:4px}
.buy.night{background:var(--night);color:var(--night-ink);border-color:var(--night)}
.buy.night ul{color:var(--night-muted)}

/* ---- checkout sheet ---- */
.scrim{position:fixed;inset:0;z-index:50;background:rgba(5,12,16,.55);display:flex;align-items:center;justify-content:center;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.sheet{background:var(--paper);border-radius:22px;width:min(460px,100%);padding:24px;box-shadow:0 30px 80px -30px rgba(0,0,0,.5);max-height:100%;overflow:auto}
.sheet h3{font-size:24px;margin:0 0 4px}
.lines{margin:18px 0;border-top:1px solid var(--rule)}
.lines div{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--rule);font-size:15px}
.lines div.tot{font-weight:700}
.sheet .note{background:var(--warn-wash);color:var(--warn);border-radius:12px;padding:10px 12px;font-size:13.5px}
.sheet .acts{display:flex;gap:10px;justify-content:flex-end;margin-top:18px;flex-wrap:wrap}

/* ---- study workspace ---- */
.studybar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-block:20px 0}
.studybar .codebig{font-family:var(--display);font-stretch:125%;font-weight:900;font-size:34px;letter-spacing:-.03em}
.studybar .t{min-width:0}
.studybar .t div{font-weight:700}
.studybar .t span{font-size:13px;color:var(--muted)}
nav.tabs{display:flex;gap:4px;margin-left:auto;overflow-x:auto;max-width:100%;background:var(--sunk);padding:4px;border-radius:999px}
nav.tabs button{background:none;border:0;padding:8px 16px;border-radius:999px;color:var(--ink-2);font-weight:600;white-space:nowrap;font-size:14px}
nav.tabs button[aria-selected="true"]{background:var(--paper);color:var(--ink);box-shadow:var(--shadow)}
.study{padding-block:22px 48px}
.h1{font-family:var(--display);font-stretch:112%;font-weight:800;letter-spacing:-.02em;font-size:clamp(26px,3vw,34px);line-height:1.08;margin:0 0 6px;text-wrap:balance}
.lede{color:var(--muted);margin:0 0 20px;max-width:65ch}
.eyebrow{font-size:12.5px;font-weight:600;color:var(--muted)}
.note{font-size:13px;color:var(--muted)}
.notice{border:1px solid var(--rule);background:var(--sunk);border-radius:12px;padding:10px 12px;font-size:13.5px;color:var(--ink-2)}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;border-radius:999px;padding:2px 9px;background:var(--sunk);color:var(--ink-2);white-space:nowrap}
.pill.good{color:var(--good);background:var(--good-wash)}
.pill.bad{color:var(--bad);background:var(--bad-wash)}
.pill.warn{color:var(--warn);background:var(--warn-wash)}

.tutor{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:18px;align-items:start}
@media (max-width:900px){.tutor{grid-template-columns:minmax(0,1fr)}}
.chat{display:flex;flex-direction:column;min-height:62vh;border-radius:20px}
.thread{flex:1;display:flex;flex-direction:column;gap:18px;padding:22px}
.msg{max-width:68ch;min-width:0}
.msg.me{align-self:flex-end;background:var(--cyan-wash);padding:10px 14px;border-radius:16px 16px 4px 16px}
.msg.ai .who{font-size:12px;font-weight:700;color:var(--cyan-ink);margin-bottom:4px}
.msg.ai .body p{margin:0 0 10px}
.msg.ai .body ul,.msg.ai .body ol{margin:0 0 10px;padding-left:20px}
.msg.ai .body p:last-child{margin-bottom:0}
.thinking{color:var(--muted);font-style:italic}
.srcs{margin-top:10px}
.srcs summary{cursor:pointer;font-size:13px;color:var(--muted)}
.srcs ol{margin:8px 0 0;padding-left:18px;font-size:13px;color:var(--muted)}
.srcs li{margin-bottom:4px}
.composer{border-top:1px solid var(--rule);padding:12px;display:flex;gap:8px;align-items:flex-end}
.composer textarea{flex:1;min-width:0;resize:none;border:1px solid var(--rule);background:var(--ground);border-radius:14px;padding:11px 14px;min-height:46px;max-height:160px}
.scope{display:flex;gap:8px;align-items:center;padding:10px 14px;border-top:1px solid var(--rule);flex-wrap:wrap}
.scope select,.field select{border:1px solid var(--rule);background:var(--paper);border-radius:10px;padding:6px 10px;max-width:100%}
.starters{display:flex;flex-wrap:wrap;gap:8px;padding:0 22px 22px}
.starters button{border:1px solid var(--rule);background:var(--ground);border-radius:999px;padding:7px 13px;font-size:13.5px;color:var(--ink);text-align:left}
.starters button:hover{border-color:var(--cyan)}
.side{position:sticky;top:84px;padding:18px;max-height:calc(100vh - 110px);overflow:auto;border-radius:20px}
.side h3{font-size:15px;margin:2px 0 10px}
.passage{border-top:1px solid var(--rule);padding:10px 0}
.passage:first-of-type{border-top:0}
.passage .sec{font-size:12px;font-weight:700;color:var(--cyan-ink)}
.passage .t{font-weight:600;font-size:13.5px}
.passage p{margin:4px 0 0;font-size:13px;color:var(--muted)}
.passage.hl{background:var(--cyan-wash);margin:0 -18px;padding:10px 18px}

.setup{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
@media (max-width:760px){.setup{grid-template-columns:minmax(0,1fr)}}
.mode{padding:18px;text-align:left;display:flex;flex-direction:column;gap:6px;border:1px solid var(--rule);background:var(--paper);border-radius:var(--r)}
.mode[aria-pressed="true"]{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.mode b{font-family:var(--display);font-stretch:112%;font-weight:800;font-size:21px}
.mode span{font-size:13.5px;color:var(--muted)}
.opts{display:flex;gap:12px;flex-wrap:wrap;align-items:end;margin:18px 0}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field label{font-size:12.5px;color:var(--muted);font-weight:600}
.runner{max-width:780px;margin:0 auto}
.qhead{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.track{height:5px;background:var(--sunk);border-radius:3px;overflow:hidden;margin-bottom:18px}
.track i{display:block;height:100%;background:var(--cyan)}
.qcard{padding:24px;border-radius:20px}
.qtext{font-size:19px;line-height:1.45;margin:8px 0 18px;font-weight:500}
.choice{display:flex;gap:12px;width:100%;text-align:left;border:1px solid var(--rule);background:var(--paper);border-radius:12px;padding:12px 14px;margin-bottom:8px;align-items:flex-start}
.choice .k{font-weight:700;font-size:13px;border:1px solid var(--rule);border-radius:8px;width:26px;height:26px;display:grid;place-items:center;flex:none;color:var(--muted)}
.choice:hover:not(:disabled){border-color:var(--ink-2)}
.choice.sel{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.choice.sel .k{background:var(--ink);color:var(--ground);border-color:var(--ink)}
.choice.right{border-color:var(--good);background:var(--good-wash)}
.choice.wrong{border-color:var(--bad);background:var(--bad-wash)}
.choice:disabled{cursor:default}
.explain{margin-top:14px;padding:14px;border-radius:12px;background:var(--sunk);font-size:14.5px}
.explain b{display:block;margin-bottom:4px}
.qfoot{display:flex;justify-content:space-between;gap:10px;margin-top:16px;flex-wrap:wrap}
.score{display:flex;gap:28px;align-items:flex-end;flex-wrap:wrap;padding:24px;border-radius:20px}
.big{font-family:var(--display);font-stretch:118%;font-weight:900;font-size:72px;line-height:.9;letter-spacing:-.04em}
.tbl{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--rule);vertical-align:top}
th{font-weight:600;color:var(--muted);font-size:12.5px}
.bar2{height:8px;background:var(--sunk);border-radius:4px;overflow:hidden;min-width:80px}
.bar2 i{display:block;height:100%}
.review{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.review .card{padding:16px}
.grid2{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:18px;align-items:start}
@media (max-width:860px){.grid2{grid-template-columns:minmax(0,1fr)}}
.chrow{display:grid;grid-template-columns:28px minmax(0,1fr) 120px 52px;gap:10px;align-items:center;padding:9px 0;border-bottom:1px solid var(--rule);font-size:14px}
.chrow:last-child{border-bottom:0}
.chrow .n{font-family:var(--display);font-weight:800;color:var(--muted);font-size:13px}
.chrow .nm{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.panel{padding:20px}
.panel h3{margin:0 0 10px;font-size:16px}
.who{display:flex;align-items:center;gap:8px;min-width:0}
.who img{width:26px;height:26px;border-radius:50%;flex:none}
.empty{padding:32px;text-align:center;color:var(--muted)}
.qlist li{margin-bottom:10px;font-size:14px}
.qlist .when{font-size:12px;color:var(--muted)}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}
@media (max-width:640px){.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}
.kpi{padding:16px}
.kpi .v{font-family:var(--display);font-stretch:112%;font-weight:800;font-size:34px;line-height:1}
.kpi .l{font-size:12.5px;color:var(--muted);margin-top:4px}
.rtabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.rtabs button{border:1px solid var(--rule);background:var(--paper);border-radius:999px;padding:6px 12px;font-weight:600;font-size:13px}
.rtabs button[aria-pressed="true"]{background:var(--ink);color:var(--ground);border-color:var(--ink)}
@media (prefers-reduced-motion:no-preference){.track i{transition:width .25s ease}}

/* SunYta.com type system: Instrument Serif display, DM Sans body, DM Mono labels */
:root{--display:"Instrument Serif", Georgia, "Times New Roman", serif; --body:"DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif; --mono:"DM Mono", ui-monospace, Menlo, monospace}
.d,.proof b,.flag .facts b,.flag .price,.cont .code,.ncard .codebig,.price,.pd .codebig,.spec b,.syl li span,.studybar .codebig,.h1,.mode b,.big,.chrow .n,.kpi .v{font-weight:400;font-stretch:normal;letter-spacing:-.01em}
.d{line-height:1.05}
.hero h1{font-size:clamp(42px,6vw,72px)}
.hero h1 em{font-style:italic}
.logo b{font-family:var(--body);font-stretch:normal;font-weight:700;letter-spacing:-.02em}
.ncard .codebig{font-size:58px;letter-spacing:-.02em}
.pd .codebig{letter-spacing:-.02em}
.flag h3{font-size:clamp(34px,3.8vw,46px)}
.kick,.flag .kick,.series,.ncard .series,.pd .series,.eyebrow,.group h3,.syl li span,.chrow .n{font-family:var(--mono);font-weight:500;letter-spacing:.06em;text-transform:uppercase;font-size:11.5px}
.syl li span{font-size:12px;padding-top:2px}
.price,.proof b,.spec b,.kpi .v{font-variant-numeric:lining-nums tabular-nums}
@media (prefers-reduced-motion:no-preference){.track i{transition:width .25s ease}}

/* ===== production additions ===== */
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh}
.topnav .acct{display:flex;align-items:center;gap:8px;margin-left:8px;padding-left:10px;border-left:1px solid var(--rule)}
.topnav .avatar,.avatar{width:30px;height:30px;border-radius:50%;background:var(--ink);color:var(--ground);display:grid;place-items:center;font-weight:700;font-size:13px;border:0}
.menu{position:absolute;right:16px;top:58px;background:var(--paper);border:1px solid var(--rule);border-radius:14px;box-shadow:0 18px 40px -20px rgba(0,0,0,.35);padding:6px;min-width:220px;z-index:30}
.menu button{display:block;width:100%;text-align:left;background:none;border:0;padding:9px 12px;border-radius:9px;font-size:14px}
.menu button:hover{background:var(--sunk)}
.menu .who2{padding:9px 12px 10px;border-bottom:1px solid var(--rule);margin-bottom:4px;font-size:13px}
.menu .who2 b{display:block;font-size:14px}

/* auth */
.auth{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:56px;align-items:center;padding-block:56px}
@media (max-width:900px){.auth{grid-template-columns:minmax(0,1fr);gap:24px;padding-block:28px}}
.auth h1{font-size:clamp(38px,5vw,60px);margin:0 0 14px}
.auth .card{padding:26px;border-radius:20px;box-shadow:var(--shadow)}
.seg{display:flex;background:var(--sunk);border-radius:999px;padding:4px;margin-bottom:18px}
.seg button{flex:1;border:0;background:none;border-radius:999px;padding:8px 10px;font-weight:600;color:var(--ink-2)}
.seg button[aria-pressed="true"]{background:var(--paper);color:var(--ink);box-shadow:var(--shadow)}
.form{display:flex;flex-direction:column;gap:12px}
.form label{font-size:13px;font-weight:600;color:var(--ink-2);display:flex;flex-direction:column;gap:5px}
.input,.form input,.form select,.form textarea{border:1px solid var(--rule);background:var(--ground);border-radius:11px;padding:10px 12px;width:100%;min-width:0}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--cyan);outline-offset:0;border-color:transparent}
.err{color:var(--bad);font-size:13.5px;min-height:1em}
.ok{color:var(--good);font-size:13.5px}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.row3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
@media (max-width:560px){.row2,.row3{grid-template-columns:minmax(0,1fr)}}

/* workbook reader */
.reader{display:grid;grid-template-columns:300px minmax(0,1fr);gap:18px;align-items:start}
@media (max-width:900px){.reader{grid-template-columns:minmax(0,1fr)}}
.toc{position:sticky;top:84px;max-height:calc(100vh - 110px);overflow:auto;padding:10px}
.toc button{display:block;width:100%;text-align:left;background:none;border:0;border-radius:9px;padding:7px 10px;font-size:13.5px;color:var(--ink-2)}
.toc button:hover{background:var(--sunk)}
.toc button[aria-current="true"]{background:var(--cyan-wash);color:var(--ink);font-weight:600}
.toc .tch{font-weight:700;color:var(--ink);margin-top:6px}
.page{padding:26px 30px;border-radius:20px;min-height:60vh}
@media (max-width:560px){.page{padding:18px}}
.page h2{font-size:28px;margin:0 0 4px}
.page .sech{font-weight:700;font-size:16.5px;margin:22px 0 6px;scroll-margin-top:90px}
.page .sech span{font-family:var(--mono);font-size:12px;color:var(--cyan-ink);margin-right:8px}
.page p.body{white-space:pre-wrap;margin:0 0 10px;font-size:15.5px;line-height:1.7;color:var(--ink-2)}
.page mark{background:var(--marigold);color:var(--on-marigold);border-radius:3px;padding:0 2px}
.hits{display:flex;flex-direction:column;gap:2px}
.hit{display:block;text-align:left;background:none;border:0;border-radius:10px;padding:10px 12px}
.hit:hover{background:var(--sunk)}
.hit b{font-size:12px;color:var(--cyan-ink);font-family:var(--mono)}
.hit div{font-weight:600;font-size:14px}
.hit p{margin:2px 0 0;font-size:13px;color:var(--muted)}
.search{display:flex;gap:8px;margin-bottom:10px}

/* live tests list */
.tests{display:flex;flex-direction:column;gap:12px}
.trow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:18px 20px;border-radius:var(--r)}
@media (max-width:640px){.trow{grid-template-columns:minmax(0,1fr)}}
.trow h3{margin:0 0 4px;font-size:18px}
.trow .note{display:flex;gap:12px;flex-wrap:wrap}

/* proctor pre-check */
.pre{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:22px;align-items:start}
@media (max-width:900px){.pre{grid-template-columns:minmax(0,1fr)}}
.checks{display:flex;flex-direction:column}
.check{display:grid;grid-template-columns:30px minmax(0,1fr) auto;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid var(--rule)}
.check:last-child{border-bottom:0}
.check .st{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:700;background:var(--sunk);color:var(--muted)}
.check.ok .st{background:var(--good-wash);color:var(--good)}
.check.bad .st{background:var(--bad-wash);color:var(--bad)}
.check b{display:block;font-size:15px}
.check span.d2{font-size:13px;color:var(--muted)}
.camwrap{position:relative;border-radius:16px;overflow:hidden;background:#000;aspect-ratio:4/3}
.camwrap video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1);display:block}
.camwrap .tag{position:absolute;left:10px;bottom:10px;background:rgba(0,0,0,.6);color:#fff;font-size:12px;border-radius:999px;padding:3px 10px}
.rules{margin:0;padding-left:18px;font-size:14px;color:var(--ink-2)}
.rules li{margin-bottom:6px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);background:var(--sunk);border-radius:12px;padding:12px}
.consent input{margin-top:3px}

/* exam room */
body.exam header.top, body.exam footer{display:none}
.room{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;padding-block:18px;align-items:start}
@media (max-width:900px){.room{grid-template-columns:minmax(0,1fr)}}
.roombar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:12px 0;border-bottom:1px solid var(--rule)}
.roombar .t{font-weight:700}
.clock{font-family:var(--mono);font-size:22px;font-weight:500;padding:4px 14px;border-radius:999px;background:var(--ink);color:var(--ground)}
.clock.low{background:var(--bad);color:#fff}
.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(38px,1fr));gap:6px}
.palette button{height:38px;border-radius:9px;border:1px solid var(--rule);background:var(--paper);font-weight:600;font-size:13px}
.palette button.ans{background:var(--ink);color:var(--ground);border-color:var(--ink)}
.palette button.flag{box-shadow:inset 0 -3px 0 var(--marigold)}
.palette button.cur{outline:2px solid var(--cyan);outline-offset:1px}
.mini{position:relative;border-radius:12px;overflow:hidden;background:#000;aspect-ratio:4/3}
.mini video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.live-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--bad);margin-right:6px;vertical-align:1px}
@media (prefers-reduced-motion:no-preference){.live-dot{animation:pulse 1.6s infinite}}
@keyframes pulse{50%{opacity:.35}}
.block{position:fixed;inset:0;z-index:80;background:rgba(5,12,16,.92);color:#fff;display:flex;align-items:center;justify-content:center;padding:24px;text-align:center}
.block .inner{max-width:480px}
.block h2{font-family:var(--display);font-weight:400;font-size:38px;margin:0 0 10px}
.block p{color:#c9d6da}
.warnbar{background:var(--warn-wash);color:var(--warn);border-radius:12px;padding:10px 14px;font-size:14px;margin-bottom:12px}
.result{max-width:560px;margin:60px auto;text-align:center;padding:40px 28px;border-radius:24px}
.result .big{font-size:96px}
.result.pass .big{color:var(--good)}
.result.fail .big{color:var(--bad)}

/* staff console */
.stack{display:flex;flex-direction:column;gap:18px}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar .grow{flex:1}
.tbl tr.click{cursor:pointer}
.tbl tr.click:hover td{background:var(--sunk)}
.timeline{list-style:none;margin:0;padding:0;max-height:520px;overflow:auto}
.timeline li{display:grid;grid-template-columns:100px 14px minmax(0,1fr);gap:8px;padding:7px 0;font-size:13.5px;border-bottom:1px dashed var(--rule)}
.timeline .tm{font-family:var(--mono);font-size:12px;color:var(--muted)}
.sev{width:10px;height:10px;border-radius:50%;margin-top:5px;background:var(--rule)}
.sev.s1{background:var(--marigold)}
.sev.s2{background:var(--bad)}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.shot{border-radius:12px;overflow:hidden;border:1px solid var(--rule);background:var(--sunk)}
.shot .pair{display:grid;grid-template-columns:1fr 1.3fr}
.shot img{width:100%;height:120px;object-fit:cover;display:block;background:#000;cursor:zoom-in}
.shot .cap{font-size:12px;padding:6px 8px;display:flex;justify-content:space-between;gap:6px}
.lightbox{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.88);display:flex;align-items:center;justify-content:center;padding:20px}
.lightbox img{max-width:100%;max-height:100%;border-radius:8px}
.verdict{display:flex;gap:8px;flex-wrap:wrap}
.verdict button[aria-pressed="true"].v-clean{background:var(--good);border-color:var(--good);color:#fff}
.verdict button[aria-pressed="true"].v-suspicious{background:var(--marigold);border-color:var(--marigold);color:var(--on-marigold)}
.verdict button[aria-pressed="true"].v-disqualified{background:var(--bad);border-color:var(--bad);color:#fff}
.kv{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 14px;font-size:13.5px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;overflow-wrap:anywhere}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:var(--ground);padding:10px 16px;border-radius:999px;font-size:14px;z-index:95;box-shadow:0 10px 30px -10px rgba(0,0,0,.5)}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--rule);border-top-color:var(--cyan);border-radius:50%;vertical-align:-3px}
@media (prefers-reduced-motion:no-preference){.spinner{animation:spin .8s linear infinite}}
@keyframes spin{to{transform:rotate(360deg)}}
.loading{padding:60px;text-align:center;color:var(--muted)}

.qtext{white-space:pre-line}
.mcard .band{background:linear-gradient(180deg,var(--warn-wash),transparent 85%)}
.mcard .series{color:var(--marigold-ink)}

.explain,.review .card>div{white-space:pre-line}

.footlinks{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px}
.footlinks a,.legalnav a{color:var(--ink-2)}
.legal{padding:28px 32px;max-width:820px;margin-top:6px}
@media (max-width:560px){.legal{padding:20px}}
.legal h1{font-size:clamp(32px,4vw,44px);margin:6px 0 4px}
.legal h3{font-size:17px;margin:22px 0 6px}
.legal p,.legal li{color:var(--ink-2);font-size:15.5px;line-height:1.7}
.legalnav{display:flex;gap:18px;flex-wrap:wrap;margin:18px 0 48px}
.legalnav a[aria-current="page"]{font-weight:700;color:var(--ink)}
.msg.ai .body{white-space:normal}