:root{color-scheme:light;--ink:#15211d;--muted:#5d6863;--line:#d7ded9;--paper:#f7f9f7;--green:#176b4b;--deep:#18372d;--soft:#e7f2ec;--gold:#df9f2b;--red:#a32f28;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);line-height:1.6}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}a{color:var(--green)}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default}[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:4px}.skip{position:absolute;left:20px;top:-100px;background:white;padding:12px;z-index:10}.skip:focus{top:12px}
.app-header{background:var(--deep);color:white;border-bottom:5px solid var(--gold)}.header-inner,.hero{max-width:1080px;margin:auto;padding-left:32px;padding-right:32px}.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #ffffff21}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:white;font-size:12px;letter-spacing:1.6px;font-weight:750}.brand-mark{font-family:Georgia,serif;font-size:39px;font-weight:400;line-height:1;color:#f1c773;letter-spacing:-3px}.header-inner nav{display:flex;align-items:center;gap:26px}.header-inner nav>a{color:#dbe8e1;font-size:13px;text-decoration:none;min-height:44px;display:flex;align-items:center}.header-inner nav>a:hover{text-decoration:underline}.language{display:flex;border:1px solid #ffffff35;border-radius:6px;padding:3px;gap:2px}.language button{min-width:39px;min-height:34px;border:0;background:transparent;color:#dbe8e1;border-radius:3px;font-size:12px;font-weight:700}.language button[aria-pressed=true]{color:var(--deep);background:#f4f6f3}.hero{padding-top:30px;padding-bottom:28px}.eyebrow,.section-kicker{font-size:11px;font-weight:800;letter-spacing:1.5px;margin:0 0 8px}.eyebrow{color:#b9d5c8}h1,h2,h3,p{overflow-wrap:anywhere}h1{font-size:clamp(33px,4.6vw,46px);line-height:1.13;letter-spacing:-1.3px;margin:10px 0 14px;font-weight:720}h2{font-size:24px;line-height:1.3;letter-spacing:-.4px;margin:0 0 10px}h3{font-size:17px;line-height:1.4;margin:0}.subtitle{color:#dbe8e1;font-size:18px;margin:0;max-width:660px}.hero-meta{display:flex;align-items:center;gap:24px;flex-wrap:wrap;font-size:12px;color:#c4d6cc;margin-top:18px}.hero-meta>span+span::before{content:'·';margin-right:24px;color:#e7bb65}.status-badge{border:1px solid #e2bd7066;border-radius:4px;padding:3px 10px;color:#f0ca7e;background:#e2bd7010}.section-kicker{color:var(--green)}
main{max-width:1080px;margin:auto;padding:0 32px}.intro{display:grid;grid-template-columns:1fr 230px;align-items:center;gap:45px;padding:30px 0 26px}.intro h2{font-size:21px}.intro p:not(.section-kicker){color:var(--muted);font-size:14px;margin:0;max-width:670px}.scale-guide{display:flex;gap:13px;align-items:center}.scale-guide>span:not(.scale-line){display:grid;gap:4px;text-align:center;white-space:nowrap;font-size:11px;color:var(--muted)}.scale-guide b{font-size:25px;color:var(--deep);font-weight:650}.scale-line{height:1px;background:#c0cbc4;flex:1;min-width:24px}.study-progress{display:flex;align-items:center;justify-content:space-between;gap:15px;border-block:1px solid var(--line);padding:20px 0}.study-progress ol{display:flex;gap:34px;list-style:none;padding:0;margin:0}.study-progress li{color:var(--muted);font-weight:600;font-size:14px}.study-progress li span{font-size:11px;color:#7a8980;margin-right:7px}.study-progress li[aria-current]{color:var(--green)}.study-progress li[aria-current] span{background:var(--green);color:white;border-radius:50%;padding:5px}#totalProgress{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.connection-status{font-size:13px;color:var(--muted);min-height:21px;margin:12px 0}.connection-status[data-error=true]{color:var(--red)}.connection-status button,.save-state button{margin-left:8px;color:var(--green);border:0;background:transparent;font-weight:600;text-decoration:underline;padding:8px}
.idiom-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin:24px 0 18px}.idiom-heading h2{font-size:30px;margin-bottom:2px}.idiom-heading p{margin:0;color:var(--muted);font-size:13px}.idiom-heading .section-kicker{margin-bottom:5px;color:var(--green);font-size:10px}.counter{font-size:12px;color:var(--green);white-space:nowrap}.sample-list{display:grid;gap:14px}.sample-card{background:white;border:1px solid var(--line);border-radius:10px;padding:24px 26px;display:grid;grid-template-columns:40px 1fr;column-gap:14px;min-width:0}.sample-number{font-size:13px;color:#7c8b81;line-height:1.6;padding-top:1px;font-variant-numeric:tabular-nums}.sample-body{min-width:0}.target-text{font-size:19px;line-height:1.6;margin:0 0 16px;max-width:800px}.player-row{display:flex;align-items:center;gap:14px}.player-row audio{width:min(100%,410px);height:42px;min-width:0}.listen-note{font-size:12px;color:var(--muted);margin:8px 0 0}.audio-error{color:var(--red);font-size:13px}.rating{padding:18px 0 0;margin:17px 0 0;border:0;border-top:1px solid #eaf0ec;min-width:0}.rating legend{float:left;width:100%;padding:0;margin-bottom:11px;font-size:12px;color:var(--muted)}.rating-options{clear:both;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;max-width:390px}.rating-choice{position:relative;display:block;min-width:0}.rating-choice input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}.rating-choice span{display:flex;align-items:center;justify-content:center;min-height:48px;border:1px solid #becdc3;border-radius:6px;font-size:18px;font-weight:650;background:#fcfdfb;transition:background .15s,color .15s}.rating-choice input:checked+span{color:white;background:var(--green);border-color:var(--green);box-shadow:0 0 0 2px #176b4b15}.rating-choice input:focus-visible+span{outline:3px solid var(--gold);outline-offset:3px}.rating-choice input:not(:disabled):hover+span{border-color:var(--green)}.rating-choice input:disabled{cursor:default}.rating-choice input:disabled+span{color:#9aa69e;border-color:#e1e7e2;background:#fafbf9}.rating-anchors{display:flex;justify-content:space-between;max-width:390px;font-size:10px;color:var(--muted);margin-top:5px;gap:15px}.save-state{font-size:12px;color:var(--green);min-height:20px;margin:9px 0 0}.save-state[data-state=error]{color:var(--red)}.study-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:26px 0 34px}.study-actions p{font-size:12px;color:var(--muted);margin:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;border-radius:6px;font-weight:650;text-decoration:none;padding:11px 20px;font-size:14px;text-align:center;border:1px solid transparent;line-height:1.5}.primary{background:var(--green);color:white}.primary:hover{background:#105237}.primary:disabled{background:#dfe6e1;color:#78877d;border-color:#d4ded7}.secondary{background:white;border:1px solid #b6c7bc;color:var(--deep)}.secondary:hover{background:var(--soft)}.back-button{border:0;background:transparent;color:var(--green);font-size:13px;min-height:44px;padding:6px 0}.explore{display:flex;align-items:center;justify-content:space-between;gap:32px;border:1px solid #d6e3d9;background:#edf4ef;border-radius:10px;padding:29px 30px;margin:44px 0}.explore p:not(.section-kicker){font-size:14px;color:var(--muted);margin:0;max-width:560px}.explore h2{font-size:23px}.explore .button{white-space:nowrap;flex-shrink:0}.completion{text-align:center;padding:46px 15px 8px}.completion h2{font-size:32px}.completion p:not(.section-kicker){color:var(--muted);margin:10px 0 22px}.completion-mark{display:grid;place-items:center;border-radius:50%;width:56px;height:56px;background:var(--soft);color:var(--green);font-size:29px;margin:0 auto 20px}footer{max-width:1016px;margin:0 auto;padding:24px 0 30px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;align-items:flex-start;color:var(--muted);font-size:11px}footer>span:first-child{font-weight:700;color:var(--deep);white-space:nowrap}footer p{max-width:460px;margin:0}footer>span:last-child{white-space:nowrap}.noscript{padding:30px;color:var(--red)}
.showcase-intro{grid-template-columns:1fr;padding-bottom:22px}.idiom-nav{display:flex;gap:10px;border-bottom:1px solid var(--line);padding:0 0 22px}.idiom-nav a{min-height:44px;padding:9px 18px;border:1px solid var(--line);background:white;border-radius:6px;font-size:13px;text-decoration:none}.showcase-section{padding-top:30px}.showcase-section .idiom-heading{margin-top:0}.mini-badge{font-size:10px;display:inline-block;padding:3px 9px;border-radius:4px;background:#fcf3dd;color:#805813;border:1px solid #e8d7ac}.showcase-models{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:16px}.showcase-models.single{grid-template-columns:1fr}.showcase-models h3{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin-bottom:9px}.showcase-models audio{width:100%;max-width:410px;height:42px}.showcase-section .sample-card{padding-block:23px}.showcase-section .target-text{margin-bottom:4px}
@media(max-width:700px){.header-inner,.hero{padding-left:20px;padding-right:20px}.header-inner{min-height:80px}.header-inner nav{gap:14px}.header-inner nav>a{font-size:11px}.brand{font-size:10px;letter-spacing:1px;gap:9px}.brand-mark{font-size:32px}.language button{min-width:33px}.hero{padding-top:34px;padding-bottom:32px}h1{letter-spacing:-.8px}.subtitle{font-size:16px}.hero-meta{gap:14px;font-size:11px}.hero-meta>span+span::before{margin-right:14px}main{padding-inline:20px}.intro{grid-template-columns:1fr;gap:16px;padding:28px 0 24px}.intro h2{font-size:20px}.scale-guide{max-width:250px}.scale-guide>span:not(.scale-line){font-size:10px}.scale-guide b{font-size:22px}.study-progress ol{gap:19px}.study-progress li{font-size:12px}.sample-card{padding:19px 16px;grid-template-columns:25px 1fr;column-gap:7px}.target-text{font-size:18px;margin-bottom:14px}.player-row{display:block}.player-row audio{width:100%}.rating-options{gap:6px}.rating-choice span{min-height:48px}.listen-note{font-size:11px}.sample-number{font-size:11px}.rating-anchors{font-size:9px}.idiom-heading h2{font-size:27px}.study-actions{align-items:stretch;flex-direction:column-reverse;gap:14px}.study-actions p{text-align:center}.study-actions .button{width:100%}.explore{align-items:stretch;flex-direction:column;gap:20px;margin:32px 0;padding:24px 20px}.explore h2{font-size:22px}.explore .button{align-self:flex-start;white-space:normal}footer{padding:23px 20px;flex-direction:column;gap:10px}footer>span:last-child{white-space:normal}.showcase-models{grid-template-columns:1fr;gap:17px}.idiom-nav{gap:7px;flex-wrap:wrap}.idiom-nav a{padding:9px 14px}.idiom-heading{align-items:flex-start}.showcase-section .idiom-heading{flex-wrap:wrap}.showcase-section .target-text{font-size:17px}}
.play-button{display:grid;place-items:center;flex-shrink:0;width:44px;height:44px;border:1px solid #c0d1c5;border-radius:50%;background:var(--soft);color:var(--green);font-size:16px}.play-button:hover{background:#d6eadd}.showcase-models .player-row{display:flex;gap:8px}.showcase-models .play-button{width:40px;height:40px}.showcase-models audio{min-width:0}@media(max-width:700px){.intro .scale-guide{display:none}.player-row{display:flex;gap:9px}.player-row audio{flex:1;min-width:0}.play-button{width:40px;height:40px}.showcase-models .player-row{gap:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.institution-credits{border-top:1px solid var(--line);padding:28px 0;margin-top:12px}.logo-strip{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:24px 40px}.logo-strip a{display:flex;align-items:center;justify-content:center;min-height:48px;flex-shrink:0}.logo-strip img{display:block;height:auto;object-fit:contain}.credit-uzh img{width:132px}.logo-strip .credit-fuen{width:108px;min-height:44px;padding:8px 9px;border-radius:4px;background:var(--deep)}.credit-fuen img{width:90px}.credit-lia img{width:140px}.logo-strip .credit-pgi{width:47px;overflow:hidden}.credit-pgi img{width:104px;max-width:none;flex-shrink:0}
@media(max-width:700px){.institution-credits{padding:24px 0}.logo-strip{column-gap:28px;row-gap:24px}}