:root{color-scheme:light;--ink:#10382b;--green:#1d6b52;--pale:#e2f1e9;--paper:#f4f2e8}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.55 system-ui,-apple-system,Segoe UI,sans-serif;overflow-wrap:anywhere}header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px max(16px,calc((100% - 940px)/2));background:#0d3b2e;color:white}a{color:var(--green)}header a{color:white}.brand{text-decoration:none;font-weight:800}.brand small{display:block;font-size:.8rem;font-weight:500}main{max-width:940px;margin:auto;padding:24px 16px 110px}h1{font-size:clamp(1.5rem,5vw,2.4rem);line-height:1.25}h2{font-size:1.35rem;line-height:1.3}h3{font-size:1.1rem}p{margin:12px 0}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-weight:750;font-size:.8rem}.card{background:white;border-radius:24px;padding:22px;margin:16px 0;box-shadow:0 10px 28px #10382b0c}.heading{margin-bottom:24px}.note{font-size:.92rem;color:#425b50}.game-grid,.badge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.game-grid .card{margin:0;display:flex;flex-direction:column}.game-grid form{margin-top:auto}.game-icon{font-size:2rem}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.stats div{padding:14px 6px;text-align:center;border-radius:18px;background:var(--pale)}.stats strong,.stats span{display:block}.stats strong{font-size:1.4rem}.stats span{font-size:.8rem}.badge{padding:16px;background:#f1f3f1;border-radius:18px}.badge.earned{background:var(--pale);border:2px solid var(--green)}.badge span{font-size:1.8rem}form{display:grid;gap:14px;margin:14px 0}header form{margin:0}label{display:grid;gap:6px;font-weight:650}input,select,button,.button,summary{font:inherit;min-height:48px}input,select{width:100%;min-width:0;padding:12px;border:1px solid #8fac9d;border-radius:12px;background:white;color:var(--ink)}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border:2px solid transparent;border-radius:16px;background:var(--green);color:white;text-decoration:none;font-weight:750;text-align:center;cursor:pointer;max-width:100%}.button{margin:6px 6px 6px 0}.quiet{background:var(--pale);color:var(--ink);border-color:#bdd5c8}.danger{background:#9b302c}.check,.choice{display:flex;align-items:center;gap:14px}.check input,.choice input{width:24px;height:24px;min-height:24px;flex:0 0 24px;accent-color:var(--green)}.choice{background:var(--pale);padding:14px;border-radius:16px;min-height:56px;cursor:pointer}.choice:has(input:checked){outline:3px solid var(--green)}fieldset{border:0;padding:0;display:grid;gap:12px;min-width:0}legend{margin-bottom:12px;font-weight:700}details{border-top:1px solid #dbe5df;margin-top:14px;padding-top:8px}summary{padding:12px 0;cursor:pointer;font-weight:700}ul{padding-left:24px}li{margin:10px 0}.credential{font-family:ui-monospace,monospace;font-size:1.2rem;margin:8px 0 20px;background:var(--pale);padding:14px;border-radius:12px;user-select:all}.explanation{background:var(--pale);padding:18px;border-radius:18px}.child-nav{position:fixed;bottom:0;left:0;right:0;display:flex;gap:6px;justify-content:center;background:#0d3b2e;padding:10px 8px max(10px,env(safe-area-inset-bottom));z-index:10}.child-nav a{display:flex;align-items:center;justify-content:center;flex:1;max-width:260px;min-height:52px;color:white;text-decoration:none;font-weight:700;font-size:.9rem;border-radius:14px}.child-nav a:hover{background:#ffffff17}.journal-entry{border-top:1px solid #dbe5df;margin-top:20px}.skip{position:absolute;top:-100px;left:12px;background:white;padding:12px;z-index:30}.skip:focus{top:12px}:focus-visible{outline:3px solid #d6a623;outline-offset:4px}button:disabled{background:#d6ddd8;color:#506055;cursor:not-allowed}.expired{color:#9b302c;font-weight:750}@media(max-width:360px){.game-grid,.badge-grid{grid-template-columns:1fr}.card{padding:18px}.child-nav a{font-size:.8rem}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
:where(.brand){min-height:48px;display:flex;flex-direction:column;justify-content:center}.check{min-height:48px}
.answer-result{display:flex;align-items:center;gap:12px}.result-mark{display:flex;align-items:center;justify-content:center;border-radius:50%;width:48px;height:48px;flex:0 0 48px;background:#e2f1e9}.is-correct,.correct-answer{color:#186447}.is-wrong{color:#a12429}.is-wrong .result-mark{background:#fce7e7}.bird-feedback,.migration-feedback{margin:24px 0}.bird-feedback-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.bird-feedback-grid.single{grid-template-columns:1fr;max-width:440px;margin:auto}.bird-feedback-card{margin:0;border:2px solid #d7e4dc;border-radius:18px;overflow:hidden;background:#fafbf8;min-width:0}.bird-feedback-card img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;background:#f6f5ec}.bird-feedback-card figcaption{display:grid;gap:5px;padding:12px;line-height:1.4}.bird-feedback-card figcaption small,.bird-feedback-card figcaption i{font-size:.8rem}.correct-card{border-color:#186447}.wrong-card{border-color:#a12429}.card-result{font-size:.85rem;font-weight:750}.plate-unavailable{display:flex;align-items:center;justify-content:center;padding:18px;min-height:160px;font-size:.85rem;text-align:center}.migration-feedback{padding:18px;background:#e9f3ed;border-radius:20px}.migration-steps{max-width:350px;margin:20px auto;text-align:center}.migration-place{background:white;border:2px solid #b3d4c4;padding:16px;border-radius:18px;display:grid;gap:4px}.migration-place>span{font-size:2rem}.migration-arrow{display:grid;gap:3px;padding:12px}.migration-arrow>span{font-size:2.2rem;line-height:1.1;color:#186447}.migration-strategies{display:grid;gap:12px}.migration-strategies>div{padding:16px;border-radius:18px;background:white}.migration-strategies span{display:block;font-size:2rem;color:#186447}@media(min-width:600px){.migration-strategies{grid-template-columns:1fr 1fr}}@media(max-width:360px){.bird-feedback-grid{grid-template-columns:1fr}}
.habitat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.habitat-choice{position:relative;display:grid;gap:0;align-content:start;padding:0;overflow:hidden;border:2px solid #c8ded1;background:#edf5ef}.habitat-choice img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover}.habitat-choice input{position:absolute;top:10px;left:10px;border-radius:50%;background:white;box-shadow:0 0 0 4px white}.habitat-choice span{display:flex;align-items:center;justify-content:center;min-height:66px;padding:10px 8px;text-align:center;font-size:.95rem;line-height:1.35}.habitat-choice:has(input:checked){outline:3px solid var(--green);outline-offset:2px}.habitat-feedback{width:min(100%,360px);height:auto;aspect-ratio:1;display:block;margin:18px auto;border-radius:20px;border:2px solid #c8ded1}@media(max-width:340px){.habitat-grid{grid-template-columns:1fr}}