/* IT Hot Seat — shared styles. Layout idea: a support-desk queue. Mono labels carry state, ticket cards carry content. */
:root{
  --bg:#f4f6f9; --surface:#ffffff; --fg:#122030; --muted:#566677; --line:#d3dbe3;
  --accent:#0a6b87; --accent-fg:#ffffff; --accent-soft:#dcedf2; --ink:#0f1b2a; --ink-fg:#eaf1f6;
  --good:#1a7a4a; --warn:#935d00; --bad:#b3342b;
  --good-soft:#dff1e7; --warn-soft:#faefd2; --bad-soft:#f7dedb;
  --font-display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --font-body:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0c141b; --surface:#131f29; --fg:#e4ebf1; --muted:#97a7b5; --line:#293a48;
  --accent:#5cc8e0; --accent-fg:#06222b; --accent-soft:#12303a; --ink:#070d12; --ink-fg:#e4ebf1;
  --good:#5fd197; --warn:#e8b64c; --bad:#ff8a80;
  --good-soft:#12301f; --warn-soft:#33270c; --bad-soft:#3a1814; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0c141b; --surface:#131f29; --fg:#e4ebf1; --muted:#97a7b5; --line:#293a48;
  --accent:#5cc8e0; --accent-fg:#06222b; --accent-soft:#12303a; --ink:#070d12; --ink-fg:#e4ebf1;
  --good:#5fd197; --warn:#e8b64c; --bad:#ff8a80;
  --good-soft:#12301f; --warn-soft:#33270c; --bad-soft:#3a1814; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 var(--font-body);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.12;margin:0;text-wrap:balance}
p{margin:0}
a{color:var(--accent)}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding-left:max(18px,env(safe-area-inset-left,0px));padding-right:max(18px,env(safe-area-inset-right,0px))}
.narrow{max-width:720px}
.mono{font-family:var(--font-mono);font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.muted{color:var(--muted)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* nav */
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-block:16px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:20px;color:var(--fg);text-decoration:none}
.brand b{color:var(--accent);font-weight:800}
.logo{width:30px;height:30px;flex:none}
.nav-links{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.nav-links a:not(.btn){color:var(--muted);text-decoration:none;font-size:15px}
.nav-links a:not(.btn):hover{color:var(--fg)}

/* buttons */
.btn,button.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 15px/1 var(--font-body);border-radius:6px;padding:14px 20px;cursor:pointer;border:1px solid var(--accent);background:var(--accent);color:var(--accent-fg);text-decoration:none;min-height:46px}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn.small{padding:10px 14px;min-height:40px;font-size:14px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* landing */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding-block:40px 64px}
.hero h1{font-size:clamp(36px,6vw,60px);font-weight:800;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--accent)}
.lede{font-size:19px;color:var(--muted);margin-top:18px;max-width:46ch}
.hero .actions{margin-top:26px}
.fine{font-size:14px;color:var(--muted);margin-top:14px}
.band{background:var(--surface);border-block:1px solid var(--line)}
.sec{padding-block:64px}
.sec h2{font-size:clamp(26px,4vw,38px);font-weight:800;letter-spacing:-.01em;max-width:22ch}
.sec .sub{color:var(--muted);margin-top:12px;max-width:56ch;font-size:17px}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px;counter-reset:s}
.step{border-top:2px solid var(--fg);padding-top:14px}
.step h3{font-size:19px;margin-top:6px}
.step p{color:var(--muted);margin-top:8px;font-size:15.5px}
.feat{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 44px;margin-top:34px}
.feat div{border-top:1px solid var(--line);padding-top:14px}
.feat h3{font-size:18px}
.feat p{color:var(--muted);margin-top:6px;font-size:15.5px}
.roles-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{font-family:var(--font-mono);font-size:13px;border:1px solid var(--line);background:var(--surface);padding:9px 12px;border-radius:4px}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px;max-width:1040px}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:24px;display:flex;flex-direction:column;gap:14px}
.plan.pro{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.price{font-family:var(--font-display);font-weight:800;font-size:44px;line-height:1}
.price small{font-size:16px;color:var(--muted);font-weight:600}
.plan ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:15.5px}
.faq{max-width:720px;margin-top:28px}
.faq details{border-top:1px solid var(--line);padding:16px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;font-size:17px}
.faq p{color:var(--muted);margin-top:10px}
.cta-band{background:var(--ink);color:var(--ink-fg);text-align:left}
.cta-band .wrap{display:flex;gap:24px;justify-content:space-between;align-items:center;flex-wrap:wrap;padding-block:48px}
.cta-band h2{font-size:clamp(24px,4vw,34px);max-width:20ch}
.cta-band .btn{background:var(--ink-fg);color:var(--ink);border-color:var(--ink-fg)}
footer{padding-block:34px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;gap:16px;justify-content:space-between;flex-wrap:wrap}
footer a{color:var(--muted)}

/* sample review card (hero) */
.sample{background:var(--surface);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.sample-top{display:flex;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px dashed var(--line)}
.sample-body{padding:18px 16px;display:flex;flex-direction:column;gap:16px}
.score-row{display:flex;align-items:flex-end;gap:16px}
.score-num{font-family:var(--font-display);font-weight:800;font-size:64px;line-height:.9;font-variant-numeric:tabular-nums}
.score-num small{font-size:22px;color:var(--muted)}
.score-row p{font-size:15px;color:var(--muted);max-width:30ch}

/* app shell */
.app-main{padding-block:18px 64px;display:flex;flex-direction:column;gap:22px}
.steps{display:flex;gap:18px;border-bottom:1px solid var(--line);padding-bottom:10px;flex-wrap:wrap}
.steps .mono[aria-current="step"]{color:var(--fg);box-shadow:0 2px 0 var(--accent);padding-bottom:10px;margin-bottom:-11px}
.panelx{display:flex;flex-direction:column;gap:18px;min-width:0}
fieldset{border:0;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;min-width:0}
legend{padding:0;margin-bottom:8px}
.roles{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px}
.role{position:relative}
.role input{position:absolute;opacity:0;inset:0;cursor:pointer;margin:0}
.role label{display:block;border:1px solid var(--line);background:var(--surface);border-radius:6px;padding:12px 14px;cursor:pointer;min-height:78px}
.role strong{display:block;font-family:var(--font-display);font-size:16px}
.role small{color:var(--muted);display:block;margin-top:2px;line-height:1.35}
.role input:checked+label{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);background:var(--accent-soft)}
.role input:focus-visible+label{outline:2px solid var(--accent);outline-offset:2px}
.row{display:flex;gap:14px;flex-wrap:wrap}
.field{display:flex;flex-direction:column;gap:6px;flex:1 1 200px;min-width:0}
select,textarea,input[type=email],input[type=text]{font:inherit;color:var(--fg);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:11px 12px;width:100%}
textarea{min-height:200px;resize:vertical;line-height:1.55}
.note{color:var(--muted);font-size:14px;max-width:64ch}
.status{min-height:22px;font-size:14px;color:var(--muted)}
.err{background:var(--bad-soft);color:var(--bad);padding:10px 12px;border-radius:6px;font-size:14px}
.ok{background:var(--good-soft);color:var(--good);padding:10px 12px;border-radius:6px;font-size:14px}
.ticket{background:var(--surface);border:1px solid var(--line);border-radius:6px}
.ticket-top{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:10px 16px;border-bottom:1px dashed var(--line)}
.ticket-q{padding:18px 16px 22px;font-family:var(--font-display);font-weight:600;font-size:22px;line-height:1.3;text-wrap:balance}
.pips{display:flex;gap:6px}
.pip{width:22px;height:6px;border-radius:1px;background:var(--line)}
.pip.done{background:var(--accent)} .pip.now{background:var(--fg)}
.meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
.count{font-variant-numeric:tabular-nums}
.hint-ok{color:var(--good)} .hint-low{color:var(--warn)}
.mic{display:inline-flex;align-items:center;gap:10px}
.mic-dot{width:12px;height:12px;border-radius:50%;background:var(--bad);display:none}
.mic.rec .mic-dot{display:inline-block}
@media (prefers-reduced-motion:no-preference){.mic.rec .mic-dot{animation:pulse 1.2s ease-in-out infinite}.pip{transition:background .2s}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}

/* review */
.score-hero{display:flex;gap:22px;align-items:flex-end;flex-wrap:wrap}
.headline{font-size:18px;max-width:46ch}
.dims{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px 28px}
.dim{display:flex;flex-direction:column;gap:6px}
.dim-top{display:flex;justify-content:space-between;gap:10px}
.blocks{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}
.blocks i{height:10px;background:var(--line);border-radius:1px}
.blocks.good i.on{background:var(--good)} .blocks.warn i.on{background:var(--warn)} .blocks.bad i.on{background:var(--bad)}
.qcard,.panel{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:16px;display:flex;flex-direction:column;gap:12px;min-width:0}
.qhead{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.qhead h3{font-size:18px}
.pill{font-family:var(--font-mono);font-size:12px;padding:4px 8px;border-radius:3px;white-space:nowrap;font-variant-numeric:tabular-nums}
.pill.good{background:var(--good-soft);color:var(--good)} .pill.warn{background:var(--warn-soft);color:var(--warn)} .pill.bad{background:var(--bad-soft);color:var(--bad)}
.qcard h4{margin:0 0 2px;font:500 12px/1.2 var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.qcard ul,.list{margin:4px 0 0;padding-left:20px}
details summary{cursor:pointer;color:var(--accent);font-size:14px}
details blockquote{margin:8px 0 0;padding:0 0 0 12px;border-left:2px solid var(--line);color:var(--muted);white-space:pre-wrap;overflow-wrap:anywhere}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat b{display:block;font-family:var(--font-display);font-size:28px;font-variant-numeric:tabular-nums}
.review-stack{display:flex;flex-direction:column;gap:22px}

/* dialog */
dialog{border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--fg);padding:0;max-width:min(520px,calc(100vw - 32px));width:100%}
dialog::backdrop{background:rgba(5,10,15,.6)}
.dlg{padding:24px;display:flex;flex-direction:column;gap:16px}
.dlg h2{font-size:24px}

@media (max-width:860px){
  .hero{grid-template-columns:1fr;gap:32px;padding-block:24px 48px}
  .steps3,.feat,.plans{grid-template-columns:1fr}
  .sec{padding-block:48px}
}
@media (max-width:480px){.ticket-q{font-size:19px}.score-num{font-size:56px}.nav-links a.hide-sm{display:none}}

[hidden]{display:none !important}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);cursor:pointer;margin-top:4px}
.check input{width:18px;height:18px;margin-top:2px;flex:none;accent-color:var(--accent)}
#free-code{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:22px;letter-spacing:6px}
.planpick{display:flex;flex-direction:column;gap:10px}
.planbtn{all:unset;box-sizing:border-box;cursor:pointer;display:flex;flex-direction:column;gap:4px;padding:14px 16px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.planbtn:hover,.planbtn:focus-visible{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.planbtn:disabled{opacity:.6;cursor:progress}
.planbtn strong{font-size:18px;display:flex;justify-content:space-between;gap:10px}
.planbtn em{font-style:normal;font-family:var(--font-display);color:var(--accent)}
.planbtn small{color:var(--muted);font-size:14px}
.planbtn s{color:var(--muted);font-weight:500;margin-right:6px}
.vetbox{font-size:15px;padding:12px 14px;border-radius:8px;background:var(--accent-soft)}
.vetbox a{color:var(--accent);font-weight:600}
.good-note{color:var(--good,#1f8a4c);font-weight:600}

.lessons{display:flex;flex-direction:column;gap:10px}
.lesson-card{display:grid;grid-template-columns:40px 1fr auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--fg);text-decoration:none}
.lesson-card:hover{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.lesson-n{width:36px;height:36px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-family:var(--font-mono);font-weight:600;display:flex;align-items:center;justify-content:center}
.lesson-txt b{display:block;font-size:15px}
.lesson-txt small{display:block;color:var(--muted);font-size:13.5px;line-height:1.35;margin-top:2px}
.lesson-go{font-size:13.5px;font-weight:600;color:var(--accent);white-space:nowrap}
.lesson-go.locked{color:var(--muted);font-weight:500}
@media (max-width:480px){.lesson-card{grid-template-columns:36px 1fr}.lesson-go{grid-column:2}}

footer .social{display:inline-flex;gap:14px;align-items:center}
footer .social a{display:inline-flex;color:var(--muted)}
footer .social a:hover{color:var(--text,#fff)}

/* progress history, readiness verdict, badges */
.progress{gap:10px}
.prog-head,.verdict-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.prog-facts{font-size:14px}
.prog-weak{font-size:15px}
.prog-badge{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--fg);text-decoration:none}
.prog-badge:hover{color:var(--accent)}
.spark{display:flex;align-items:flex-end;gap:6px;min-height:76px;padding-top:4px}
.spark-col{display:flex;flex-direction:column;align-items:center;gap:3px;width:28px}
.spark-col small{font-family:var(--font-mono);font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.spark-bar{display:block;width:100%;border-radius:3px 3px 0 0;background:var(--line)}
.spark-bar.good{background:var(--good)} .spark-bar.warn{background:var(--warn)} .spark-bar.bad{background:var(--bad)}
.verdict{border:1px solid var(--line);border-left-width:1px;border-radius:6px;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--surface)}
.verdict.good{background:var(--good-soft);border-color:transparent}
.verdict.warn{background:var(--warn-soft);border-color:transparent}
.verdict.bad{background:var(--bad-soft);border-color:transparent}
.verdict-why{font-size:17px;font-weight:500}
.verdict .pill{font-size:13px;padding:5px 10px;background:var(--surface)}
.badge-claim{border-color:var(--good);box-shadow:inset 0 0 0 1px var(--good)}
.badge-claim input{font:16px var(--font-body);padding:12px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg);width:100%;max-width:360px}

/* badge page */
.badge-main{padding-block:28px 64px;display:flex;flex-direction:column;gap:22px}
.cred{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.cred-top{background:var(--ink);color:var(--ink-fg);padding:22px 24px;display:flex;align-items:center;gap:16px}
.cred-seal{width:64px;height:64px;flex:none;border-radius:50%;border:3px solid #ff9f28;display:grid;place-items:center;font:800 13px/1.05 var(--font-display);color:#ff9f28;text-align:center;letter-spacing:.02em}
.cred-top .mono{color:#7fd3ee}
.cred-top h1{font-size:clamp(26px,5vw,36px);color:#fff}
.cred-body{padding:24px;display:flex;flex-direction:column;gap:16px}
.cred-name{font-family:var(--font-display);font-size:clamp(26px,5vw,34px);font-weight:800}
.cred-role{font-size:19px}
.cred-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.cred-grid div{border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.cred-grid b{display:block;font-family:var(--font-display);font-size:22px;font-variant-numeric:tabular-nums}
.cred-foot{font-size:14px;color:var(--muted)}

/* instructor + admin */
.ins-main{padding-block:20px 64px;display:flex;flex-direction:column;gap:18px}
.ins-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}
.ins-head h1{font-size:clamp(26px,5vw,38px);margin-top:4px}
.ins-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.ins-card{gap:4px}
.ins-card b{font-family:var(--font-display);font-size:26px;font-variant-numeric:tabular-nums}
.ins-join{display:flex;align-items:center;gap:10px;flex-wrap:wrap;min-width:0}
.ins-join code,.ins-join a{font-family:var(--font-mono);font-size:13px;word-break:break-all}
.ins-goal{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.ins-goal .field{min-width:160px;flex:1 1 160px}
.ins-goal input,.ins-main input[type=password]{font:16px var(--font-body);padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg);width:100%}
.ins-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.ins-table{width:100%;border-collapse:collapse;font-size:14px;min-width:720px}
.ins-table th{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);text-align:left;padding:8px;border-bottom:1px solid var(--line);white-space:nowrap}
.ins-table td{padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.ins-table td.num{font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
#ins-body,#admin{display:flex;flex-direction:column;gap:18px;min-width:0}
.ins-table-wrap{min-width:0;max-width:100%;width:100%}#ins-body>*,#admin>*{min-width:0;max-width:100%}
.ins-table th{position:relative}