:root{
  --ink:#172033;
  --muted:#657089;
  --line:#dce1ea;
  --paper:#ffffff;
  --soft:#f4f6fa;
  --accent:#6d3ac6;
  --accent-dark:#4b2399;
  --accent-soft:#efe8fb;
  --success:#176b4a;
  --success-soft:#e7f6ef;
  --warn:#8a5a00;
  --warn-soft:#fff4d8;
  --danger:#a72f37;
  --danger-soft:#feecee;
  --shadow:0 10px 30px rgba(27,35,58,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f7f8fb;color:var(--ink);line-height:1.5}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
a{color:var(--accent-dark)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:14px clamp(16px,4vw,44px);display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.brand-wrap{display:flex;align-items:center;gap:12px}.brand-mark{width:48px;height:48px;border-radius:15px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:28px;font-weight:800}.eyebrow{font-size:.74rem;font-weight:800;letter-spacing:.11em;color:var(--muted)}h1{font-size:1.45rem;margin:0}.top-nav{display:flex;gap:7px;flex-wrap:wrap}.nav-btn{border:1px solid transparent;background:transparent;color:var(--muted);padding:9px 12px;border-radius:11px;font-weight:750}.nav-btn:hover,.nav-btn:focus-visible{background:var(--soft);color:var(--ink)}.nav-btn.active{background:var(--accent-soft);color:var(--accent-dark);border-color:#d8c8f5}
.shell{max-width:1180px;margin:0 auto;padding:32px clamp(16px,4vw,44px) 60px;min-height:72vh}.hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(250px,.6fr);gap:24px;align-items:stretch}.hero-main,.hero-side,.panel,.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-main{padding:30px}.hero-main h2{font-size:clamp(2rem,5vw,3.3rem);line-height:1.02;margin:.2em 0}.hero-main p{font-size:1.05rem;color:var(--muted);max-width:720px}.hero-side{padding:24px}.stat-big{font-size:2.7rem;font-weight:900}.pill{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:7px 11px;background:var(--accent-soft);color:var(--accent-dark);font-weight:800;font-size:.82rem}.btn{border:0;border-radius:12px;padding:12px 16px;font-weight:850;background:var(--accent);color:#fff}.btn:hover,.btn:focus-visible{background:var(--accent-dark)}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.success{background:var(--success)}.btn.small{padding:8px 11px;font-size:.88rem}.action-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.section{margin-top:28px}.section-heading{display:flex;justify-content:space-between;gap:16px;align-items:end;flex-wrap:wrap;margin-bottom:13px}.section-heading h2,.section-heading h3{margin:0}.section-heading p{margin:4px 0 0;color:var(--muted)}.area-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.area-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow);text-align:left}.area-card:hover,.area-card:focus-visible{border-color:#bfa8ea;transform:translateY(-2px)}.area-icon{font-size:2rem}.area-title{font-weight:900;margin-top:10px}.area-sub{font-size:.9rem;color:var(--muted);min-height:44px}.progress-bar{height:9px;background:#e9ecf2;border-radius:999px;overflow:hidden;margin-top:14px}.progress-fill{height:100%;background:var(--accent);border-radius:999px}.progress-meta{display:flex;justify-content:space-between;margin-top:5px;font-size:.78rem;color:var(--muted)}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.panel{padding:22px}.card{padding:18px}.card h3,.panel h2,.panel h3{margin-top:0}.muted{color:var(--muted)}.topic-list{display:grid;gap:10px}.topic-btn{width:100%;text-align:left;border:1px solid var(--line);background:#fff;border-radius:13px;padding:13px 14px;display:flex;justify-content:space-between;gap:12px;align-items:center}.topic-btn:hover,.topic-btn:focus-visible{background:var(--soft)}.topic-btn.complete{border-color:#b7decf;background:var(--success-soft)}.topic-main{font-weight:800}.topic-sub{font-size:.83rem;color:var(--muted)}.tag{font-size:.75rem;font-weight:800;background:var(--soft);border-radius:999px;padding:5px 8px;white-space:nowrap}.lesson{max-width:860px}.lesson h2{font-size:2rem;margin-bottom:8px}.lesson h3{margin-top:25px}.lesson-callout{background:var(--accent-soft);border-left:5px solid var(--accent);padding:16px;border-radius:12px;margin:18px 0}.lesson ul{padding-left:21px}.term-cloud{display:flex;gap:8px;flex-wrap:wrap}.term-chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 11px;font-weight:750}.term-chip:hover{background:var(--soft)}.search-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.search-row input,.search-row select{border:1px solid var(--line);border-radius:12px;padding:11px 12px;background:#fff;min-width:180px}.listen-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:15px;align-items:center}.listen-card h3{margin-bottom:3px}.listen-meta{font-size:.83rem;color:var(--muted)}.question-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow)}.question-number{font-size:.78rem;font-weight:900;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.question-prompt{font-size:1.25rem;font-weight:850;margin:7px 0 15px}.options{display:grid;gap:10px}.option{border:1px solid var(--line);background:#fff;border-radius:12px;text-align:left;padding:12px 14px}.option:hover,.option:focus-visible{background:var(--soft)}.option.correct{background:var(--success-soft);border-color:#91c7b2}.option.wrong{background:var(--danger-soft);border-color:#e9b1b7}.feedback{margin-top:15px;border-radius:12px;padding:13px 14px}.feedback.good{background:var(--success-soft);color:#104a35}.feedback.bad{background:var(--danger-soft);color:#7c2129}.feedback.info{background:var(--warn-soft);color:#684300}.exam-header{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}.timer{font-size:1.5rem;font-weight:900;font-variant-numeric:tabular-nums}.score-ring{width:130px;height:130px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--accent) var(--pct),#e9ecf2 0);position:relative}.score-ring::after{content:"";position:absolute;inset:12px;background:#fff;border-radius:50%}.score-ring > span{position:relative;z-index:1;font-size:1.7rem;font-weight:900}.progress-table{width:100%;border-collapse:collapse}.progress-table th,.progress-table td{padding:11px 8px;border-bottom:1px solid var(--line);text-align:left}.progress-table th{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.reset-wrap{margin-top:20px}.site-footer{max-width:1180px;margin:0 auto;padding:0 clamp(16px,4vw,44px) 35px;color:var(--muted);font-size:.82rem}.empty{padding:28px;text-align:center;color:var(--muted)}.back-link{border:0;background:transparent;color:var(--accent-dark);font-weight:800;padding:0;margin-bottom:12px}.kicker{font-size:.8rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-dark)}.exam-choice{border:1px solid var(--line);background:#fff;border-radius:16px;padding:18px;text-align:left}.exam-choice strong{font-size:1.15rem}.glossary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.glossary-item{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff}.glossary-term{font-weight:900}.glossary-def{font-size:.87rem;color:var(--muted);margin-top:4px}
@media (max-width:900px){.area-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr 1fr}.glossary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.site-header{position:static}.top-nav{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}.nav-btn{white-space:nowrap}.shell{padding-top:20px}.area-grid,.grid-2,.grid-3,.glossary-grid{grid-template-columns:1fr}.hero-main{padding:22px}.listen-card{grid-template-columns:1fr}.question-box{padding:17px}.lesson h2{font-size:1.65rem}}

/* Site credit */
.site-credit {
  margin-top: 0.45rem;
  font-weight: 700;
}
.site-credit a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* V2 additions: the V1.1 palette, typography, cards, header and breakpoints above are preserved. */
label{font-weight:650;font-size:.94rem}
.search-row label{display:flex;flex-direction:column;gap:5px;flex:1;min-width:170px}
.search-row label input,.search-row label select{width:100%;min-width:0}
input[type="text"],textarea,.dictation-inputs select,#listeningMode,#coachBand{display:block;width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--paper);color:var(--ink);margin-top:6px}
textarea{resize:vertical;line-height:1.6}
input[type="text"]{font-size:1rem}
button:disabled{cursor:default;opacity:.8}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
#app:focus{outline:none}
.written-question{margin:25px 0}
.written-question .tag{display:inline-block;margin-top:7px}
.small-note{font-size:.875rem;line-height:1.5}
.glossary-link{font-size:.875rem;margin:12px 0 0}
.inline-link{margin:0;display:inline;white-space:normal;text-align:left}
.pill .inline-link{padding-left:8px}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:12px 0;font-weight:400}
.check-row input{margin-top:5px;accent-color:var(--accent);width:18px;height:18px;flex:0 0 18px}
.lesson-callout h4{margin:0 0 12px}
.feedback p{margin:8px 0 0}
.feedback ol{padding-left:23px}
.dictation-inputs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:15px 0}
.dictation-inputs select{min-width:0}
.score-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff;margin:18px 0;padding:10px}
.music-score{display:block;width:100%;max-width:730px;height:auto;margin:auto;color:var(--ink)}
.score-wrap .music-score:only-child{min-width:260px}
.table-wrap{overflow-x:auto}
.progress-table td{overflow-wrap:anywhere}
.scene-box{padding:16px;background:var(--soft);border:1px solid var(--line);border-radius:12px}
.result-correct{color:var(--success);font-weight:700}
.result-wrong{color:var(--danger);font-weight:700}
.lesson p,.lesson li{overflow-wrap:anywhere}
.card h4{font-size:1rem;margin:10px 0}
.btn{text-decoration:none;display:inline-flex;align-items:center;justify-content:center;text-align:center}
.listen-card .btn{align-self:center}
@media(max-width:620px){.dictation-inputs{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-btn{align-items:flex-start}.topic-btn .tag{white-space:normal;flex:0 1 auto;max-width:40%;text-align:center}.area-sub{min-height:0}.search-row label{min-width:100%;width:100%}.score-wrap{padding:5px}.progress-table th,.progress-table td{padding:10px 6px}.lesson-callout{padding:14px}.action-row .btn{max-width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.area-card:hover,.area-card:focus-visible{transform:none}}
@media print{.site-header{position:static}.top-nav,.action-row,.back-link,form{display:none}.shell{padding:12px;max-width:none}.panel,.card{box-shadow:none;border:0}.site-footer{font-size:11pt}.lesson{max-width:none}.score-wrap{break-inside:avoid}}