:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:#192333;background:#f5f7fa;font-size:16px}*{box-sizing:border-box}body{margin:0}header{display:flex;justify-content:space-between;align-items:center;padding:24px 5vw;border-bottom:1px solid #dce2eb;background:#fff}.brand{font-size:22px;font-weight:750;text-decoration:none;color:inherit}.brand span{font-size:12px;letter-spacing:2px;margin-left:16px;color:#667080}.credit,.muted{font-size:14px;color:#616c7b;line-height:1.8}main{max-width:1560px;margin:auto;padding:38px 5vw}.heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}.eyebrow{font-size:14px;color:#2354c3;letter-spacing:.05em}h1{font-size:38px;letter-spacing:-1px;margin:10px 0 0}#summary{line-height:1.8;color:#5a6576;font-size:15px;text-align:right}.filters{background:white;border:1px solid #e2e6ed;padding:20px;border-radius:16px}.types{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}button,input,select{font:inherit}button{cursor:pointer;border:1px solid #cfd8e5;background:white;border-radius:8px;padding:10px 16px;color:inherit}button:hover{border-color:#1c4fe0;color:#1c4fe0}.types button{border-radius:24px;font-size:14px}.types button[aria-pressed=true]{background:#1c4fe0;color:white;border-color:#1c4fe0}.controls{display:flex;gap:16px;align-items:end}.controls label{display:flex;flex-direction:column;gap:8px;font-size:14px;color:#596575}.search{flex:1}.controls input,.controls select{padding:11px 12px;border:1px solid #cfd8e5;border-radius:8px;background:white;color:#192333;min-width:140px}.quiet{font-size:14px}.resultbar{display:flex;justify-content:space-between;gap:15px;font-size:14px;color:#647086;margin:14px 0}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.card{padding:0;border:none;text-align:left;background:white;border-radius:12px;overflow:hidden;box-shadow:0 2px 7px #12254c08;transition:transform .15s}.card:hover{transform:translateY(-3px)}.photo{position:relative;background:#e5eaf0;aspect-ratio:3/4;overflow:hidden}.photo img{width:100%;height:100%;object-fit:cover}.badge{position:absolute;bottom:12px;left:12px;background:#ffffffec;padding:5px 9px;border-radius:5px;font-size:13px;color:#1b2b47}.cardtext{padding:16px}.card h2{font-size:17px;margin:0 0 8px;line-height:1.6}.card p{font-size:14px;color:#637083;line-height:1.6;margin:0}.more{text-align:center;margin:32px}.tags{display:flex;gap:6px;flex-wrap:wrap}.tags span{background:#edf2fc;padding:4px 8px;font-size:13px;border-radius:5px;color:#31589a}dialog{width:min(1040px,95vw);max-height:92vh;border:0;border-radius:18px;padding:30px;box-shadow:0 20px 100px #0004}dialog::backdrop{background:#122033b3}.close{position:absolute;right:12px;top:10px;border:none;background:#ffffffdd;border-radius:50%;font-size:25px;z-index:2;line-height:1;padding:8px 12px}.detailgrid{display:grid;grid-template-columns: minmax(0,1fr) minmax(0,1fr);gap:32px}.visual img,.visual video{width:100%;max-height:72vh;object-fit:contain;background:#edf0f5;border-radius:10px}.visual button{width:100%;margin-top:12px}.instructions h2{font-size:28px;line-height:1.4;margin:8px 0 18px}.instructions h3{font-size:15px;color:#61718a;margin:24px 0 8px}.instructions p,.instructions li{line-height:1.85}.instructions ol{padding-left:22px}.cue{padding:15px;background:#eff4ff;border-left:3px solid #1c4fe0}.instructions a{color:#2154cf}.muted{font-size:14px}#error{background:#fff0ec;padding:18px;color:#99452c}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #75a4ff;outline-offset:3px}[hidden]{display:none!important}@media(min-width:1400px){.grid{grid-template-columns:repeat(5,minmax(0,1fr))}}@media(max-width:900px){.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.credit{display:none}.detailgrid{gap:20px}.heading{align-items:start}h1{font-size:30px}}@media(max-width:600px){header{padding:18px 5vw}main{padding-top:22px}.heading{display:block}#summary{text-align:left}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.controls{flex-wrap:wrap;gap:12px}.search{flex-basis:100%}.controls label:not(.search){flex:1;min-width:0}.controls select{min-width:0;width:100%}.filters{padding:14px}.types{gap:6px}.types button{padding:8px 11px}.resultbar{display:block}.cardtext{padding:12px}.card h2{font-size:16px}.detailgrid{display:block}.instructions{padding-top:20px}dialog{padding:20px}.visual img,.visual video{max-height:50vh}}

.filter-top{display:flex;align-items:start;justify-content:space-between;gap:14px}.filter-top .types{flex:1;margin-bottom:10px}.liked-filter{white-space:nowrap;font-size:14px}.liked-filter[aria-pressed=true],.card-like[aria-pressed=true],.like-detail[aria-pressed=true]{background:#fff0f4;border-color:#e897b2;color:#b32b58}.favorite-note{font-size:13px;color:#687588;margin:0 0 18px}.card{position:relative}.card-open{display:block;padding:0;border:0;border-radius:0;width:100%;text-align:left;background:transparent;color:inherit;height:100%}.card-open:hover{color:inherit}.card-open:focus-visible{outline-offset:-3px}.card-like{position:absolute;top:10px;right:10px;background:#fffffff2;border:1px solid #dce2eb;box-shadow:0 2px 8px #18213714;font-size:14px;padding:9px 11px;border-radius:24px;min-height:40px}.like-detail{margin-bottom:18px;font-size:15px}.liked-filter span{margin-left:5px;font-variant-numeric:tabular-nums}#favorite-notice{color:#a94227;font-size:14px}@media(max-width:600px){.filter-top{flex-direction:column;gap:4px}.liked-filter{margin-bottom:12px}.card-like{top:8px;right:8px;padding:8px 10px}.favorite-note{margin-bottom:14px}}

.curation{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid #e6ebf2;padding-top:18px}.rating-modes{display:flex;gap:8px;flex-wrap:wrap}.rating-modes button{font-size:15px}.rating-modes button[aria-pressed=true]{color:#fff;background:#1c4fe0;border-color:#1c4fe0}.curation label{display:flex;gap:8px;align-items:center;font-size:14px;white-space:nowrap}.curation select{font:inherit;padding:9px;border:1px solid #cfd8e5;background:#fff;border-radius:8px;color:#192333}.rating-note,#scoring-progress{font-size:13px;line-height:1.7;color:#637083}.rating-note{margin:12px 0 4px}#scoring-progress{margin:0 0 18px}.card-score{display:flex;flex-wrap:wrap;gap:7px 9px;align-items:center;border-top:1px solid #edf0f5;margin-top:12px;padding-top:12px;font-size:13px;color:#5c6d84}.card-score strong{font-size:18px;color:#2451ba}.recommended-badge{font-size:12px;background:#edf4ff;color:#2451ba;padding:3px 6px;border-radius:4px}.detail-score{background:#f1f5fe;border:1px solid #dce5f9;padding:16px;border-radius:12px;margin-bottom:18px}.detail-score strong{font-size:16px;color:#2451ba}.detail-score p{font-size:14px;margin:8px 0;line-height:1.7}@media(max-width:700px){.curation{align-items:start;flex-direction:column}.curation label{width:100%}.curation select{flex:1}.rating-modes button{padding:9px 12px}}

.pairing-note{font-size:14px;line-height:1.8;color:#315ca4;margin:12px 0 0}.paired-images{display:grid;grid-template-columns:1fr 1fr;gap:12px}.paired-images figure{margin:0;min-width:0}.paired-images img{width:100%;height:auto;object-fit:contain}.paired-images figcaption{text-align:center;font-size:14px;color:#456183;padding:8px 0}#pair-evidence{margin:12px 0;font-size:13px}.heading{align-items:start}

/* Each learning card always keeps the demonstration and result together. */
.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.photo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;aspect-ratio:auto;background:#fff;overflow:hidden}
.photo figure{margin:0;min-width:0;background:#edf0f5}
.photo img{display:block;width:100%;height:auto;aspect-ratio:9/16;object-fit:contain}
.photo figcaption{padding:10px 6px;text-align:center;background:#eef2fa;color:#3f5779;font-size:14px}
.photo figure:last-child figcaption{background:#eaf3ef;color:#306853}
.cardtext .badge{position:static;display:inline-block;margin-bottom:8px;padding:4px 8px;background:#edf2fc}
.card{padding-bottom:60px}.card-open{height:auto}.card-like{top:auto;bottom:12px;right:14px}
.detailgrid{grid-template-columns:1fr}.paired-images{max-width:760px;margin:auto}.paired-images img{max-height:60vh}
@media(min-width:1500px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){.grid{grid-template-columns:1fr;gap:24px}.photo{gap:4px}.cardtext{padding:16px}.card-like{bottom:12px;right:14px}.paired-images{gap:8px}}