:root{color-scheme:light;--navy:#232D3A;--gold:#B88F35;--paper:#FFF8E8;--muted:#52616a;--line:#d7ddd9;--green:#28604e}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--navy);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}header{background:var(--navy);color:var(--paper);border-bottom:5px solid var(--gold);padding:26px max(20px,calc((100vw - 900px)/2))}.brand{font-weight:800;letter-spacing:.08em;color:var(--gold);font-size:12px}h1{font-size:clamp(27px,5vw,40px);line-height:1.2;margin:10px 0}header p{margin:0;color:#d6e0e4;max-width:650px}main{max-width:940px;margin:auto;padding:22px 20px 52px}nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}button{font:inherit;font-weight:650;padding:11px 17px;min-height:45px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--navy);cursor:pointer}button.primary{background:var(--navy);color:#fff;border-color:var(--navy)}button.gold{background:var(--gold);border-color:var(--gold)}button:disabled{opacity:.45;cursor:default}button:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #2b72b8;outline-offset:3px}nav button[aria-current=page]{background:var(--navy);color:white}h2,h3{line-height:1.3}h2{font-size:clamp(23px,4vw,29px);margin:0 0 14px}h3{margin:0 0 8px;font-size:19px}p{margin:10px 0}a{color:#235777}.muted,.source{color:var(--muted)}.source{font-size:12px}.muted{font-size:14px}.statusbar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin:14px 0}.pill{font-size:12px;padding:4px 9px;border:1px solid #8c999f;border-radius:20px}.card{background:white;border:1px solid var(--line);border-radius:18px;padding:clamp(20px,4vw,32px);box-shadow:0 8px 22px #22303b08;margin-bottom:20px}.lead{max-width:650px}.eyebrow{font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:750;color:var(--muted);margin:0 0 10px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.round{text-align:left;display:flex;flex-direction:column;align-items:flex-start;min-height:184px;padding:23px;border-radius:15px;transition:border-color .15s,transform .15s}.round:hover{border-color:#876725;transform:translateY(-1px)}.round.recommended{border:2px solid #947127;background:#fff9e7;padding:22px}.round .number{font-size:12px;letter-spacing:.08em;font-weight:750;color:var(--muted);margin-bottom:9px}.round strong{font-size:21px;line-height:1.2;margin-bottom:6px}.round span.sub{font-size:14px;font-weight:400;color:var(--muted)}.round .meta{font-size:12px;font-weight:600;color:var(--muted);margin-top:15px}.round .open{font-size:14px;font-weight:750;margin-top:auto;padding-top:14px}.round progress{height:6px;margin:10px 0 0}.topline{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}.path{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;margin:15px 0}.path span{background:#edf1f2;border-radius:8px;padding:6px 9px}.path b{align-self:center}progress{width:100%;height:8px;accent-color:var(--navy);display:block;margin:10px 0 20px}fieldset{border:0;margin:0;padding:0;min-width:0}legend{font-weight:750;font-size:clamp(22px,4vw,28px);line-height:1.35;margin-bottom:20px;padding:0}.choice{display:flex;gap:12px;border:1px solid var(--line);border-radius:12px;padding:15px;margin:10px 0;cursor:pointer}.choice:has(input:checked){background:#fff8df;border:2px solid #947127;padding:14px}.choice input{margin-top:6px;flex-shrink:0;accent-color:var(--navy)}.actions{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:22px}.feedback{background:#f1f5f4;border-left:4px solid var(--green);padding:16px 18px;margin-top:20px;border-radius:0 8px 8px 0}.feedback.retry{background:#fff8e7;border-color:#9b6c1b}.feedback strong{display:block}.feedback p{margin:8px 0}.correct{color:var(--green)}.need{color:#825914}.question-note{margin-top:18px;font-size:14px}.field{display:block;font-weight:650;margin:22px 0 8px}textarea{width:100%;min-height:100px;padding:12px;font:inherit;border:1px solid #a6b1b6;border-radius:10px;resize:vertical;background:#fff;color:var(--navy)}.review-item{border-top:1px solid var(--line);padding:20px 0;display:flex;gap:18px;justify-content:space-between;align-items:center}.review-item p{margin:3px 0}.review-item button{flex-shrink:0}.stats{display:flex;gap:25px;flex-wrap:wrap;margin:20px 0}.stats strong{display:block;font-size:28px}.stats span{font-size:13px;color:var(--muted)}.export{margin-top:24px;display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--muted)}footer{border-top:1px solid var(--line);padding-top:22px;margin-top:25px;font-size:12px;color:var(--muted)}footer details{margin-top:15px}summary{cursor:pointer}li{margin:8px 0}#screen:empty{min-height:260px}[hidden]{display:none!important}@media(max-width:580px){.grid{grid-template-columns:1fr}.round{min-height:160px}.review-item{align-items:flex-start;flex-direction:column}main{padding-left:14px;padding-right:14px}.stats{gap:18px}.actions button{flex-grow:1}.statusbar{font-size:11px}nav button{font-size:13px;padding:10px}.path{gap:5px;font-size:11px}.path span{padding:6px}.card{padding:20px}}

/* Whole/part learning lens. VFA manual palette, local assets only. */
.whole-part-welcome{border:2px solid var(--gold);background:linear-gradient(130deg,#fff 0%,#FFF8E8 62%,#8DB1DC26 100%)}
.whole-part-welcome h2{font-size:clamp(28px,5vw,38px)}
.level-ribbon{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:20px 0}
.level-ribbon span{background:var(--navy);color:white;padding:7px 11px;border:1px solid #B88F35;border-radius:20px;font-size:13px;font-weight:650}
.level-ribbon b{color:#72561F}
.level-picker{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:22px 0 16px}
.level-picker button{display:flex;flex-direction:column;gap:6px;align-items:flex-start;text-align:left;padding:13px 10px;min-width:0;border-top:4px solid var(--level-colour)}
.level-picker button>span{font-size:12px;color:var(--muted)}
.level-picker strong{font-size:15px;overflow-wrap:anywhere}
.level-picker small{font-size:11px;font-weight:400;line-height:1.4}
.level-picker [aria-pressed=true]{background:var(--navy);color:#fff;box-shadow:0 0 0 2px var(--gold)}
.level-picker [aria-pressed=true]>span{color:#DAD6CB}
.level-detail{border:1px solid #cad5db;border-left:5px solid var(--level-colour);border-radius:12px;background:linear-gradient(115deg,#FFF8E8,#8DB1DC20);padding:20px;margin-bottom:18px;min-height:220px}
.level-detail .ask{border-top:1px solid #DAD6CB;padding-top:12px}
.learning-lens{display:flex;align-items:center;gap:10px;flex-wrap:wrap;border-left:4px solid var(--level-colour);background:#F2F4F6;border-radius:0 10px 10px 0;padding:10px 12px;margin:0 0 22px;font-size:13px}
.lens-badge{background:var(--navy);color:#fff;border-radius:15px;padding:3px 9px;font-weight:750}
.learning-lens button{margin-left:auto;min-height:38px;padding:6px 10px;font-size:12px}
.connection{border-top:1px solid #B9C9CE;margin-top:16px;padding-top:14px}
.connection button{padding:7px 10px;font-size:13px}
.map-card{padding:22px;overflow:hidden}
.map-image{display:block;margin-top:18px;border-radius:12px;overflow:hidden;border:1px solid #DAD6CB}
.map-image img{display:block;width:100%;height:auto}
.map-links{display:flex;gap:20px;flex-wrap:wrap;margin-top:14px}
.map-links a{font-weight:650;font-size:14px;min-height:44px;display:inline-flex;align-items:center}
.evidence{margin-top:12px;font-size:13px}
.evidence code{overflow-wrap:anywhere}
@media(max-width:640px){.level-picker{grid-template-columns:repeat(2,minmax(0,1fr))}.level-picker button:last-child{grid-column:1/-1}.level-picker button{min-height:104px}.level-detail{min-height:0}.map-card{padding:16px}.learning-lens button{margin-left:0}.level-ribbon{gap:6px}.level-ribbon span{font-size:11px;padding:6px 8px}.level-ribbon b{font-size:12px}}
@media(prefers-reduced-motion:reduce){.round{transition:none}.round:hover{transform:none}}

/* One level deeper: keep the question short, then reveal the complete relationship. */
.deeper-lens{display:block}.lens-heading{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.lens-intro{font-size:14px;max-width:720px;margin:12px 0 4px}.theory-note{font-size:12px;margin-top:10px}.theory-note summary{font-weight:650}.theory-note p{font-size:13px}.connection-chain{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));list-style:none;padding:0;margin:12px 0 20px;gap:7px}.connection-chain li{margin:0;background:white;border:1px solid #ccd6dc;border-radius:9px;padding:10px;position:relative}.connection-chain li:not(:last-child)::after{content:'→';position:absolute;right:-8px;top:36%;color:#72561F;font-weight:800;z-index:1}.connection-chain li.current-level{border:2px solid var(--gold);padding:9px;background:#FFF8E8}.connection-chain span{display:block;font-size:11px;font-weight:750;margin-bottom:5px}.connection-chain b{display:block;font-size:12px;font-weight:500;line-height:1.45;overflow-wrap:anywhere}.chain-caption{margin-top:15px!important;font-size:10px}.whole-part-detail{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0}.whole-part-detail div{border-left:3px solid #53789F;background:#ffffffb8;padding:10px 12px}.whole-part-detail dt{font-weight:750;font-size:12px;margin-bottom:5px}.whole-part-detail dd{margin:0;font-size:14px}.new-ability{font-size:14px}.new-ability b{font-weight:750}.practical-detail{margin-top:16px;font-size:13px}.practical-detail summary{font-weight:650}.practical-detail p{margin-top:10px}
@media(max-width:640px){.whole-part-detail{grid-template-columns:1fr}.connection-chain{grid-template-columns:1fr}.connection-chain li{display:grid;grid-template-columns:95px minmax(0,1fr);gap:10px}.connection-chain li:not(:last-child)::after{content:'↓';right:12px;top:auto;bottom:-14px}.connection-chain span{margin:0}.connection-chain b{font-size:13px}.lens-intro{font-size:13px}}