:root{
  --blue:#0d7ab8; --navy:#0a2e4a; --navy2:#0e3a5c; --gold:#c9a227; --gold-soft:#f7efce;
  --ink:#1c2b36; --muted:#5b6b76; --line:#d9e4ea; --bg:#f6f9fb; --card:#ffffff;
  --ok:#177245; --okbg:#e6f4ec; --warn:#8a6d00; --warnbg:#fdf6d8; --radius:14px;
}
*{box-sizing:border-box}
html{font-size:16px}
html[data-textsize="small"]{font-size:14px}
html[data-textsize="large"]{font-size:19px}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
.wrap{max-width:880px;margin:0 auto;padding:1.25rem 1rem 4rem}
.loading{padding:4rem 1rem;text-align:center;color:var(--muted)}
a{color:var(--blue)}
button{font:inherit;cursor:pointer}
.btn{display:inline-block;border:1.5px solid var(--blue);background:#fff;color:var(--blue);border-radius:999px;padding:.55rem 1.2rem;font-weight:600;text-decoration:none;margin:.2rem .2rem .2rem 0}
.btn:hover{background:#eaf4fa}
.btn.primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn.primary:hover{background:var(--navy2)}
.btn.gold{background:var(--gold);border-color:var(--gold);color:#231a00}
.btn.small{padding:.3rem .8rem;font-size:.9rem}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.danger{border-color:#b3261e;color:#b3261e}
.masthead{text-align:center;padding:1.5rem 0 1rem;border-bottom:3px solid var(--gold);margin-bottom:1.25rem}
.eyebrow{letter-spacing:.14em;text-transform:uppercase;font-size:.78rem;color:var(--blue);font-weight:700}
.masthead h1{margin:.35rem 0 .1rem;color:var(--navy);font-size:2.2rem;line-height:1.15}
.subtitle{color:var(--muted);margin:.2rem 0}
.tagline{font-style:italic;color:var(--gold);font-weight:700;letter-spacing:.04em;margin:.3rem 0}
.badges{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;margin:.6rem 0}
.badge{border:1.5px solid var(--blue);color:var(--blue);border-radius:999px;padding:.15rem .7rem;font-size:.8rem;font-weight:700}
.badge.gold{border-color:var(--gold);background:var(--gold-soft);color:#6b5200}
.coach-intro{max-width:640px;margin:.6rem auto 0;color:var(--ink)}
.textsize{font-size:.85rem;color:var(--muted);margin-top:.8rem}
.textsize button{border:1px solid var(--line);background:#fff;border-radius:6px;padding:.15rem .55rem;margin-left:.25rem}
.textsize button.on{border-color:var(--blue);color:var(--blue);font-weight:700}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem 1.4rem;margin:1rem 0;box-shadow:0 1px 3px rgba(10,46,74,.05)}
.card h2{color:var(--navy);margin-top:0}
.card h3{color:var(--navy2)}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.75rem;margin:1rem 0}
.fact{border:1px solid var(--line);border-radius:10px;padding:.7rem;text-align:center;background:#fbfdff}
.fact .n{font-size:1.35rem;font-weight:800;color:var(--blue)}
.fact .l{font-size:.82rem;color:var(--muted)}
.progressbar{height:14px;background:#e3edf2;border-radius:999px;overflow:hidden}
.progressbar>div{height:100%;background:linear-gradient(90deg,var(--blue),var(--gold));transition:width .3s}
.chip{display:inline-block;border-radius:999px;padding:.08rem .6rem;font-size:.78rem;font-weight:700;border:1px solid var(--line);color:var(--muted);white-space:nowrap}
.chip.done{background:var(--okbg);color:var(--ok);border-color:var(--ok)}
.chip.prog{background:#eaf4fa;color:var(--blue);border-color:var(--blue)}
.chip.lock{background:#eee;color:#777}
.concept-row{display:flex;justify-content:space-between;align-items:center;gap:.75rem;padding:.65rem .25rem;border-bottom:1px solid var(--line)}
.concept-row:last-child{border-bottom:none}
.concept-row .t{font-weight:600;color:var(--navy)}
.concept-row .a{font-size:.85rem;color:var(--muted)}
.tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin:1rem 0}
.tabs button{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:.45rem 1rem;font-weight:600}
.tabs button.on{border-color:var(--blue);background:var(--blue);color:#fff}
label{display:block;font-weight:600;margin:.7rem 0 .25rem}
input[type=text],input[type=email],textarea,select{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:.6rem .7rem;font:inherit;background:#fff}
textarea{resize:vertical}
.radio-row{display:flex;gap:.5rem;flex-wrap:wrap;margin:.4rem 0}
.radio-row label{font-weight:500;border:1.5px solid var(--line);border-radius:999px;padding:.35rem .8rem;cursor:pointer;margin:0}
.radio-row input{margin-right:.35rem}
.bubble{background:#eef6fa;border-left:4px solid var(--blue);border-radius:0 10px 10px 10px;padding:.7rem .9rem;margin:.6rem 0}
.bubble .who{font-size:.75rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}
.expansion{border:2px solid var(--gold);border-radius:var(--radius);padding:1rem 1.2rem;margin:1rem 0;background:#fffdf4}
.expansion .exp-badge{display:inline-block;background:var(--gold);color:#231a00;font-weight:800;font-size:.8rem;border-radius:6px;padding:.25rem .6rem;margin-bottom:.5rem}
.expansion table{border-collapse:collapse;width:100%;margin:.6rem 0}
.expansion th,.expansion td{border:1px solid var(--line);padding:.45rem .6rem;text-align:left;vertical-align:top;font-size:.95rem}
.expansion blockquote{border-left:4px solid var(--gold);margin:.6rem 0;padding:.3rem .9rem;background:var(--gold-soft)}
.hint{border:1px dashed var(--blue);border-radius:10px;padding:.7rem .9rem;margin:.6rem 0;background:#f4fafd}
.saved{color:var(--ok);font-weight:700;font-size:.9rem}
.notice{background:var(--warnbg);border:1px solid var(--gold);border-radius:10px;padding:.7rem .9rem;margin:.7rem 0}
.err{background:#fdecea;border:1px solid #b3261e;color:#7a1a14;border-radius:10px;padding:.7rem .9rem;margin:.7rem 0}
.access-key{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:1.05rem;background:var(--navy);color:#fff;border-radius:10px;padding:.9rem 1rem;word-break:break-all;text-align:center}
.voice-panel{border:2px solid var(--blue);border-radius:var(--radius);padding:1rem 1.2rem;margin:1rem 0;background:#f2f9fc}
.voice-panel h3{margin-top:0;color:var(--navy)}
.voice-log{max-height:320px;overflow:auto;border:1px solid var(--line);border-radius:10px;background:#fff;padding:.6rem .8rem;margin:.6rem 0}
.voice-log .turn{margin:.5rem 0}
.voice-log .who{font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.voice-log .coach .who{color:var(--blue)}
.voice-log .learner .who{color:var(--gold)}
.live-dot{display:inline-block;background:#b3261e;color:#fff;border-radius:999px;padding:.05rem .6rem;font-size:.75rem;font-weight:800}
.log-entry{border-bottom:1px solid var(--line);padding:.55rem 0}
.log-entry .kind{font-weight:700;color:var(--blue);font-size:.85rem}
.log-entry .when{color:var(--muted);font-size:.8rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
@media(max-width:640px){.grid2{grid-template-columns:1fr}.masthead h1{font-size:1.7rem}}
.checkrow{display:flex;gap:.5rem;flex-wrap:wrap;margin:.5rem 0}
footer.site{margin-top:2.5rem;border-top:1px solid var(--line);padding-top:1rem;color:var(--muted);font-size:.88rem}
.cert{border:4px double var(--gold);border-radius:8px;padding:2.5rem 2rem;text-align:center;background:#fff}
.cert .eyebrow{color:var(--navy)}
.cert h1{color:var(--navy);font-size:2.4rem;margin:.5rem 0}
.cert .gold-sub{color:var(--gold);font-weight:800;font-size:1.15rem}
.cert .learner-name{font-size:1.9rem;color:var(--navy);font-weight:800;margin:.8rem 0 .1rem}
.cert .signoff{margin-top:2rem}
.cert .sig-name{font-size:1.3rem;font-weight:800;color:var(--navy)}
@media print{
  body{background:#fff}
  .no-print,.masthead .textsize,.tabs,footer.site{display:none!important}
  .wrap{max-width:none;padding:0}
  .card{box-shadow:none;border:none}
  .cert{border-width:3px}
}