@font-face{font-family:'Jost';font-weight:400;font-display:swap;src:url('../fonts/jost-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Jost';font-weight:500;font-display:swap;src:url('../fonts/jost-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Jost';font-weight:600;font-display:swap;src:url('../fonts/jost-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Jost';font-weight:700;font-display:swap;src:url('../fonts/jost-latin-700-normal.woff2') format('woff2')}
:root{--a-blue:#2C51F7;--a-blue-d:#1f3fc4;--a-soft:#e8edff;--a-ink:#1d2033;--a-muted:#566078;--a-bg:#f3f5ff;--a-card:#fff;--a-line:#dde2f4;--a-on:#fff;--a-ok:#15803d;--a-warn:#b45309;--a-bad:#dc2626;--a-gold:#c8962b;--a-glow:rgba(44,81,247,.14)}
:root:not([data-aen-theme="light"]){color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-aen-theme="light"]){--a-blue:#8aa2ff;--a-blue-d:#a9bbff;--a-soft:#222b57;--a-ink:#f4f6ff;--a-muted:#bcc3da;--a-bg:#0a0e1f;--a-card:#141a33;--a-line:#2d3660;--a-on:#0a0f2c;--a-ok:#4ade80;--a-warn:#fbbf24;--a-bad:#f87171;--a-glow:rgba(111,140,255,.2);color-scheme:dark}}
:root[data-aen-theme="dark"]{--a-blue:#8aa2ff;--a-blue-d:#a9bbff;--a-soft:#222b57;--a-ink:#f4f6ff;--a-muted:#bcc3da;--a-bg:#0a0e1f;--a-card:#141a33;--a-line:#2d3660;--a-on:#0a0f2c;--a-ok:#4ade80;--a-warn:#fbbf24;--a-bad:#f87171;--a-glow:rgba(111,140,255,.2);color-scheme:dark}
html,body.aen-page{margin:0;background:var(--a-bg)}
#aen-root,#aen-root *{box-sizing:border-box}
#aen-root{font-family:'Jost',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;color:var(--a-ink);background:var(--a-bg);font-size:17px;line-height:1.55;min-height:100vh;background-image:radial-gradient(900px 420px at 50% -80px,var(--a-glow),transparent 70%);background-repeat:no-repeat}
#aen-root.aen-embed{min-height:0}
#aen-root h1,#aen-root h2,#aen-root h3,#aen-root h4,#aen-root p{margin:0;font-family:inherit;color:var(--a-ink);letter-spacing:normal}
#aen-root h1{font-size:clamp(1.7rem,4vw,2.5rem);line-height:1.15;font-weight:700}
#aen-root h2{font-size:1.45rem;font-weight:600;line-height:1.25}
#aen-root h3{font-size:1.1rem;font-weight:600}
#aen-root p+p,#aen-root p+ul,#aen-root ul+p{margin-top:.7rem}
#aen-root a{color:var(--a-blue)}
.muted{color:var(--a-muted)!important}.small{font-size:.88rem}.center{text-align:center}
.a-bar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:.6rem;padding:.55rem 1rem;background:var(--a-card);border-bottom:1px solid var(--a-line);flex-wrap:wrap}
.a-brand{display:flex;align-items:center;gap:.5rem;font-weight:700;color:var(--a-ink)!important;text-decoration:none}
.a-brand img{width:30px;height:30px;border-radius:7px}
.a-nav{display:flex;gap:.3rem;margin-left:auto;align-items:center;flex-wrap:wrap}
.a-nav a,.a-nav button{font:inherit;font-size:.92rem;border:1px solid var(--a-line);background:transparent;color:var(--a-ink);border-radius:999px;padding:.35rem .8rem;cursor:pointer;text-decoration:none}
.a-nav a:hover,.a-nav button:hover,.a-nav .on{background:var(--a-soft);border-color:var(--a-blue)}
.a-wrap{max-width:1060px;margin:0 auto;padding:1.4rem 1rem 3rem}
.a-hero{padding:1.2rem 0 .6rem}.a-hero p{max-width:60ch;margin-top:.6rem;color:var(--a-muted)}
.a-eyebrow{color:var(--a-blue);font-weight:600;letter-spacing:.06em;text-transform:uppercase;font-size:.78rem;margin-bottom:.3rem}
.a-card{background:var(--a-card);border:1px solid var(--a-line);border-radius:16px;padding:1.2rem;box-shadow:0 8px 28px rgba(44,81,247,.08)}
.a-card+.a-card{margin-top:1rem}
.a-grid{display:grid;gap:1rem}.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.g3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.a-btn{font:inherit;font-weight:600;border:0;border-radius:12px;padding:.7rem 1.2rem;cursor:pointer;background:var(--a-blue);color:var(--a-on);text-decoration:none;display:inline-block}
#aen-root a.a-btn{color:var(--a-on)}
.a-btn:hover{background:var(--a-blue-d)}.a-btn[disabled]{opacity:.5;cursor:not-allowed}
.a-btn.ghost{background:transparent;color:var(--a-blue);border:1.5px solid var(--a-blue)}#aen-root a.a-btn.ghost{color:var(--a-blue)}
.a-btn.sm{padding:.4rem .8rem;font-size:.9rem;border-radius:10px}.a-btn.rec{background:var(--a-bad);color:#fff}
.a-row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.a-in,.a-sel,.a-txt{font:inherit;width:100%;padding:.7rem .9rem;border:1.5px solid var(--a-line);border-radius:12px;background:var(--a-card);color:var(--a-ink)}
.a-in:focus,.a-sel:focus,.a-txt:focus{outline:2px solid var(--a-blue);border-color:var(--a-blue)}
.a-check{display:flex;gap:.6rem;align-items:flex-start}.a-check input{margin-top:.35rem}
.a-label{display:block;font-weight:600;margin:.9rem 0 .35rem}
.a-opts{display:grid;gap:.6rem;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.a-opt{border:1.5px solid var(--a-line);border-radius:14px;padding:.8rem .9rem;cursor:pointer;background:var(--a-card);text-align:left;font:inherit;color:var(--a-ink)}
.a-opt b{display:block}.a-opt span{color:var(--a-muted);font-size:.9rem}.a-opt.on{border-color:var(--a-blue);background:var(--a-soft);box-shadow:0 0 0 2px var(--a-blue) inset}
.a-badge{display:inline-block;padding:.12rem .55rem;border-radius:999px;font-size:.76rem;font-weight:600;background:var(--a-soft);color:var(--a-blue)}
.a-badge.paid{background:var(--a-blue);color:var(--a-on)}.a-badge.ok{background:rgba(22,163,74,.15);color:var(--a-ok)}.a-badge.warn{background:rgba(180,83,9,.15);color:var(--a-warn)}
.a-msg{padding:.7rem .9rem;border-radius:12px;background:var(--a-soft);margin:.8rem 0}.a-msg.err{background:rgba(220,38,38,.12);color:var(--a-bad)}.a-msg.ok{background:rgba(22,163,74,.12);color:var(--a-ok)}
/* word checker */
.wc-box{display:flex;gap:.6rem;flex-wrap:wrap}.wc-box .a-in{flex:1;min-width:200px;font-size:1.2rem}
.wc-acc{display:flex;gap:.4rem;flex-wrap:wrap;margin:.7rem 0}.wc-acc button{font:inherit;border:1.5px solid var(--a-line);background:var(--a-card);color:var(--a-ink);border-radius:999px;padding:.35rem .9rem;cursor:pointer}.wc-acc button.on{background:var(--a-blue);color:var(--a-on);border-color:var(--a-blue)}
.wc-res{margin-top:1rem}.wc-word{font-size:2rem;font-weight:700}.wc-ipa{font-size:1.5rem;color:var(--a-blue);font-family:'Segoe UI','Noto Sans','DejaVu Sans',sans-serif}
.syl{display:flex;gap:.4rem;flex-wrap:wrap;margin:.8rem 0}
.syl div{border:1.5px solid var(--a-line);border-radius:12px;padding:.5rem .8rem;text-align:center;min-width:64px;background:var(--a-card)}
.syl div.st{border-color:var(--a-blue);background:var(--a-soft);box-shadow:0 0 0 2px var(--a-blue) inset}
.syl b{display:block;font-size:1.2rem}.syl i{display:block;font-style:normal;font-family:'Segoe UI','Noto Sans','DejaVu Sans',sans-serif;color:var(--a-blue)}.syl small{color:var(--a-muted);font-size:.72rem}
.rules3{display:grid;gap:.6rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:.8rem}
.rules3 div{border-left:4px solid var(--a-blue);background:var(--a-soft);padding:.6rem .8rem;border-radius:0 12px 12px 0}
/* pathway */
.path{display:grid;gap:.7rem}
.step{display:flex;gap:.9rem;align-items:flex-start;padding:1rem;border:1px solid var(--a-line);border-radius:14px;background:var(--a-card)}
.step .n{flex:0 0 38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--a-soft);color:var(--a-blue);font-weight:700}
.step.done .n{background:var(--a-ok);color:#fff}.step.lock{opacity:.7}.step .go{margin-left:auto;align-self:center}
.bar{height:10px;background:var(--a-soft);border-radius:99px;overflow:hidden}.bar i{display:block;height:100%;background:var(--a-blue)}
.tiles{display:grid;gap:.7rem;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));margin:.8rem 0}.tiles div{background:var(--a-soft);border-radius:12px;padding:.7rem;text-align:center}.tiles b{display:block;font-size:1.6rem}.tiles span{font-size:.8rem;color:var(--a-muted)}
.cmp{display:grid;grid-template-columns:minmax(120px,1.4fr) 1fr 1fr 70px;gap:.5rem;align-items:center;padding:.4rem 0;border-bottom:1px solid var(--a-line)}.cmp.h{font-weight:600;color:var(--a-muted);font-size:.85rem}
.up{color:var(--a-ok);font-weight:700}.down{color:var(--a-bad);font-weight:700}
/* diagnostic */
.dg{text-align:center;padding:1.2rem}.dg .big{font-size:clamp(2rem,8vw,3.6rem);font-weight:700;margin:1rem 0}.dg .heard{min-height:1.6em;color:var(--a-muted)}
.wave{height:34px;display:flex;gap:3px;align-items:center;justify-content:center;margin:.6rem 0}.wave i{width:5px;background:var(--a-blue);border-radius:3px;height:6px;transition:height .08s}
.mic{width:76px;height:76px;border-radius:50%;border:0;background:var(--a-blue);color:var(--a-on);font:inherit;font-weight:700;cursor:pointer;box-shadow:0 0 0 6px var(--a-glow)}.mic.on{background:var(--a-bad);color:#fff;animation:pul 1s infinite}
@keyframes pul{50%{box-shadow:0 0 0 14px rgba(220,38,38,.18)}}
.ipa-chart{display:grid;gap:.4rem;grid-template-columns:repeat(auto-fill,minmax(88px,1fr))}.ipa-chart button{font:inherit;border:1.5px solid var(--a-line);background:var(--a-card);color:var(--a-ink);border-radius:12px;padding:.5rem;cursor:pointer;text-align:center}.ipa-chart button b{display:block;font-size:1.3rem;color:var(--a-blue);font-family:'Segoe UI','Noto Sans','DejaVu Sans',sans-serif}.ipa-chart button span{font-size:.78rem;color:var(--a-muted)}
.lesson p{white-space:pre-line}
.pair{display:flex;gap:.6rem;flex-wrap:wrap;margin:.6rem 0}.pair .a-opt{flex:1;min-width:120px;text-align:center;font-size:1.2rem;font-weight:600}.pair .a-opt.right{border-color:var(--a-ok);background:rgba(22,163,74,.12)}.pair .a-opt.wrong{border-color:var(--a-bad);background:rgba(220,38,38,.1)}
.a-tabs{display:flex;gap:.3rem;flex-wrap:wrap;margin:.8rem 0}.a-tabs button{font:inherit;border:1.5px solid var(--a-line);background:var(--a-card);color:var(--a-ink);border-radius:10px;padding:.4rem .8rem;cursor:pointer}.a-tabs button.on{background:var(--a-blue);color:var(--a-on);border-color:var(--a-blue)}
.pay-card{border:2px solid var(--a-line);border-radius:16px;padding:1.2rem}.pay-card.hot{border-color:var(--a-blue)}.price{font-size:2rem;font-weight:700;color:var(--a-blue)}
.pay-card ul{padding-left:1.1rem;margin:.6rem 0}
footer.a-foot{text-align:center;color:var(--a-muted);font-size:.85rem;padding:1.5rem 1rem}
@media (max-width:640px){.cmp{grid-template-columns:1fr 1fr 1fr 56px}.cmp>:first-child{grid-column:1/-1;font-weight:600}.a-nav{margin-left:0;width:100%}}
@media (prefers-reduced-motion:reduce){.mic.on{animation:none}.wave i{transition:none}}