*{box-sizing:border-box}body{margin:0;background:#e8f5fb;color:#254550;font:17px/1.5 system-ui,sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}a{color:#315f61}header{display:flex;justify-content:space-between;align-items:center;padding:12px max(20px,calc((100% - 1200px)/2));background:#fffef9;border-bottom:1px solid #dbe9e8}header a{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:800}header img{width:36px;height:36px}main{max-width:1240px;margin:auto;padding:24px 20px}h1{font-size:clamp(26px,3vw,37px);line-height:1.22;margin:0 0 14px}h2{line-height:1.25}.lead{margin:0 0 28px;color:#56717b}.phrase-catalog{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.phrase-card{border:4px solid white;border-radius:27px;overflow:hidden;background:#fff1b7;display:flex;flex-direction:column;text-decoration:none;box-shadow:0 3px 12px #25455008}.phrase-card:nth-child(2){background:#c7eee3}.phrase-card:nth-child(3){background:#e3dafa}.phrase-card:hover{box-shadow:0 4px 15px #25455020}.phrase-card-copy{padding:20px 22px;flex:1}.phrase-card h2{font-size:25px;margin:0 0 12px}.phrase-card p{font-size:16px;margin:0}.phrase-preview{position:relative;display:grid;grid-template-columns:1fr 1fr;background:#faf5e8;border-top:4px solid white}.phrase-preview img{width:100%;aspect-ratio:1/1;object-fit:cover}.phrase-preview .card-cta{position:absolute;bottom:14px;right:14px;padding:10px 18px;border-radius:15px;background:#285751ed;color:white;font-weight:800}.course-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:16px}.course-top h1{font-size:27px;margin:0}.quiet,.primary{border:1px solid #d8e6e6;border-radius:14px;padding:11px 19px;min-height:48px;background:#eef5f5;font-weight:750}.primary{background:#d98336;border-color:#c7782f;color:white;min-width:125px}.primary:disabled{opacity:.45;cursor:default}.activity{background:#fffef8;border:4px solid white;border-radius:28px;padding:20px 26px;box-shadow:0 4px 20px #25455009}.lesson-progress{display:flex;gap:15px;align-items:center;color:#788b89;font-size:13px;margin-bottom:12px}progress{appearance:none;width:100%;height:7px;border:0;background:#e4eee6;border-radius:9px;overflow:hidden}progress::-webkit-progress-bar{background:#e4eee6}progress::-webkit-progress-value{background:#7eaf9d;border-radius:9px}.instruction-row{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin:0 0 16px}#instruction{font-size:22px;font-weight:800;margin:0}#instruction-pl{font-size:14px;color:#7b8b88}.learn-layout,.use-layout{display:grid;grid-template-columns:minmax(230px,40%) 1fr;gap:32px;align-items:center}.illustration{border-radius:22px;overflow:hidden;background:#f7f1e1;max-width:390px}.illustration img{display:block;width:100%;height:min(37svh,340px);object-fit:contain}.phrase-copy h2{font-size:clamp(30px,4vw,45px);margin:12px 0}.context{font-size:19px;margin:0;color:#536b6f;max-width:560px}.translation{font-size:22px;margin:0;color:#667f82}.repeat-space{margin-top:25px;color:#a0763c;font-size:15px}.repeat-space span{font-size:26px;margin-right:7px}.picture-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.picture-choice{background:#faf5e9;border:3px solid #e4e7d7;padding:0;border-radius:21px;overflow:hidden}.picture-choice img{width:100%;height:min(35svh,290px);object-fit:contain;display:block}.picture-choice span{display:block;padding:10px;font-size:16px}.text-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.text-choices button,.use-choices button{border:2px solid #d8e3db;border-radius:16px;min-height:65px;padding:12px 18px;background:#fffaf0;font-size:21px}.use-choices{display:grid;gap:12px;margin-top:20px}.situation{font-size:24px;margin:0;max-width:600px}.correct{background:#e0efdc!important;border-color:#78a97b!important}.wrong{background:#f7e8dd!important;border-color:#c7a58a!important}.recall{font-size:clamp(30px,4vw,45px);text-align:center;margin:35px 0}.activity-controls{display:flex;justify-content:center;gap:10px;margin-top:12px}#feedback{min-height:24px;text-align:center;margin:12px 0 0;font-size:16px;color:#477354}#feedback:empty{min-height:0;margin-top:14px}#audio-note{font-size:12px;color:#816e55;text-align:center;margin:10px 0 0}.parent{margin:24px 0;color:#617a80;font-size:15px}.parent summary{cursor:pointer;font-weight:700}.parent h2{font-size:23px}.parent p{max-width:1000px}.parent button{border:0;background:none;text-decoration:underline;color:#62787a;font:inherit;padding:0}.achievement{text-align:center}.achievement-badge{display:grid;place-items:center;width:68px;height:68px;margin:0 auto 10px;border-radius:50%;background:#ffedb5;color:#c1903c;font-size:40px;border:3px solid #f0d99c}.achievement h2{font-size:28px;margin:8px 0}.achievement>p{margin:10px auto;color:#667c72}.achievement-list{padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left;margin:22px 0}.achievement-list li{display:flex;gap:12px;align-items:center;border:2px solid #c7dfc6;background:#edf7e8;border-radius:18px;padding:15px;animation:appear .35s both;animation-delay:calc(var(--i)*.14s)}.green-tick{display:grid;place-items:center;border-radius:10px;background:#4f9467;color:white;width:33px;height:33px;flex-shrink:0;font-size:24px}.achievement-list strong{display:block;font-size:20px}.achievement-list small{display:block;color:#69806e;font-size:14px}.result-label{font-size:11px;color:#658267;margin-left:auto;max-width:100px;text-align:right}.small-listen{border:0;background:transparent;padding:8px;font-size:18px;min-height:44px;min-width:44px}.result-detail{font-size:13px}.finish-actions{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap;margin:20px 0}.finish-actions a{padding:10px}.offscreen{font-size:14px}button:focus-visible,a:focus-visible{outline:3px solid #4b8c86;outline-offset:3px}[hidden]{display:none!important}@keyframes appear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media(max-width:800px){.phrase-catalog{gap:15px}.phrase-card-copy{padding:16px}.phrase-card h2{font-size:21px}.learn-layout,.use-layout{gap:20px}.achievement-list{grid-template-columns:1fr}.result-label{max-width:none}.text-choices button{font-size:18px}}
@media(max-width:600px){header{padding:9px 14px;font-size:15px}header img{width:30px;height:30px}main{padding:16px 12px}.phrase-catalog{grid-template-columns:1fr}.phrase-card h2{font-size:25px}.phrase-card-copy{padding:20px}.phrase-preview img{height:170px}.course-top{margin-bottom:12px;gap:10px}.course-top h1{font-size:23px}.course-top button{font-size:13px;padding:8px 12px;white-space:nowrap}.activity{padding:12px;border-radius:23px}.instruction-row{gap:2px;margin-bottom:10px;display:block}#instruction{font-size:21px}#instruction-pl{font-size:12px}.learn-layout,.use-layout{grid-template-columns:1fr;gap:12px}.illustration{max-width:none}.illustration img{height:190px}.phrase-copy h2{font-size:32px;margin:8px 0}.context{font-size:16px}.translation{font-size:19px}.repeat-space{margin-top:12px;font-size:13px}.picture-choices{gap:9px;grid-template-columns:1fr 1fr}.picture-choice img{height:135px}.picture-choice span{font-size:13px;padding:7px}.picture-choice:last-child{grid-column:1/-1;width:calc(50% - 5px);justify-self:center}.text-choices{grid-template-columns:1fr;gap:10px}.text-choices button,.use-choices button{min-height:51px;font-size:18px}.recall{font-size:32px;margin:25px 0}.use-layout .illustration img{height:150px}.situation{font-size:19px}.use-choices{gap:8px;margin-top:12px}.activity-controls button{padding:10px 13px}.primary{min-width:110px}#feedback{font-size:14px}.achievement h2{font-size:24px}.achievement-list{gap:9px;margin:15px 0}.achievement-list li{padding:11px;gap:8px;flex-wrap:wrap}.achievement-list strong{font-size:19px}.result-label{margin-left:41px;text-align:left;width:calc(100% - 95px);order:2}.small-listen{margin-left:auto}.finish-actions{gap:9px}.finish-actions button{width:100%}.achievement-badge{width:56px;height:56px;font-size:32px}}
.lesson-progress #step{white-space:nowrap;flex-shrink:0}
.phase-banner{font-size:11px;letter-spacing:.8px;font-weight:800;color:#537c70;background:#e9f2e9;border-radius:10px;padding:9px 12px;margin-bottom:15px}.usage-example{background:#f4eddb;border-left:4px solid #d7b36d;border-radius:0 12px 12px 0;padding:12px 15px;margin-top:18px}.usage-example>span{display:block;font-size:10px;font-weight:800;letter-spacing:1px;color:#8c794f}.usage-example p{font-size:19px;line-height:1.4;margin:6px 0;color:#35534d}.usage-example small{color:#7b806d;font-size:14px}.example-listen{border:0;background:transparent;color:#5e7f75;font-size:13px;display:block;padding:7px 0 0;min-height:32px}.repeat-space{margin-top:12px}.phrase-copy h2{font-size:clamp(28px,3vw,37px)}
@media(max-width:600px){.phase-banner{font-size:10px;padding:7px 9px;margin-bottom:10px}.learn-layout .illustration img{height:145px}.phrase-copy h2{font-size:27px}.phrase-copy .translation{font-size:17px}.usage-example{padding:9px 12px;margin-top:12px}.usage-example p{font-size:16px}.usage-example small{font-size:12px}.context{font-size:14px}.repeat-space{display:none}}

/* Keep examples optional and the activity focused on one instruction. */
#instruction-pl:empty{display:none}
.usage-example{background:transparent;border:0;padding:0;margin-top:18px}
.usage-example summary{color:#527b74;font-size:15px;cursor:pointer;text-decoration:underline;text-underline-offset:3px;width:fit-content;padding:6px 0}
.usage-example[open]{background:#f4eddb;border-left:3px solid #d7b36d;border-radius:0 12px 12px 0;padding:8px 14px}
.phase-banner{background:transparent;padding:0;margin:0 0 12px;font-size:13px;letter-spacing:0}

.phrase-line{display:flex;align-items:center;justify-content:center;gap:.5em;flex-wrap:wrap}.phrase-copy .phrase-line{justify-content:flex-start}.phrase-listen{flex:0 0 auto;border-radius:50%;width:48px;height:48px;padding:0;font-size:22px;line-height:1;background:#edf5f6;border:2px solid #d5e4e3;cursor:pointer}.phrase-listen:focus-visible{outline:3px solid #dc8834;outline-offset:3px}