.kt{background:#f7f5ef;color:#192d3b;padding:56px 24px 80px;font-family:Arial,sans-serif}.kt-wrap{max-width:1200px;margin:auto}.kt a{color:#66511f}.kt header{max-width:880px;margin:30px 0}.kt h1{font-family:Georgia,serif;font-size:clamp(38px,5vw,60px);margin:12px 0}.eyebrow{letter-spacing:2px;font-size:12px;color:#826c35}.lead{font-size:19px;line-height:1.7}.notice{padding:15px 18px;background:#eee8da;border-left:3px solid #b99a50;line-height:1.6;font-size:14px}.kt-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}.scene,.work{background:white;border:1px solid #dedbd2;border-radius:20px;padding:24px}.scene{background:radial-gradient(ellipse at 50% 55%,#fff,#eef1eb);overflow:hidden}.scene-top{display:flex;justify-content:space-between;gap:15px;font-size:13px}.scene-top strong{color:#476748}#tree{display:block;width:100%;height:440px;touch-action:pan-y;cursor:grab}.scene-controls{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.kt button{border:1px solid #c9c5ba;border-radius:8px;background:#fff;color:#213b32;padding:10px 14px;cursor:pointer;font:inherit}.kt button:hover{background:#f3eee0}.kt button:focus-visible,.kt input:focus-visible,.kt textarea:focus-visible{outline:3px solid #b39346;outline-offset:3px}.scene-help,.legend{font-size:12px;text-align:center;color:#66726b;line-height:1.6}.stages{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:20px 0}.stages button{padding:10px 3px;font-size:12px}.stages button[aria-pressed=true]{background:#213b32;color:#fff;border-color:#213b32}.stages span{display:block;margin-top:8px;font-weight:bold}.work label{display:block;margin:0 0 8px;font-weight:600}.work input[type=text],.work input:not([type]),.work textarea{width:100%;box-sizing:border-box;padding:12px;border:1px solid #ccc8bc;border-radius:8px;font:inherit}.work h2{font-family:Georgia,serif;font-size:29px;margin:28px 0 8px}.work .desc{line-height:1.6;color:#62716a}.task{display:flex!important;gap:12px;align-items:start;font-size:14px;font-weight:400!important;line-height:1.5;padding:12px;background:#f7f8f4;border-radius:8px;margin-bottom:8px!important}.task input{margin-top:4px;accent-color:#476748;flex-shrink:0}.work textarea{resize:vertical}.work #saved{font-size:12px;color:#69726b;margin:10px 0 20px}.progress{height:7px;background:#eee;border-radius:9px;margin:14px 0 20px;overflow:hidden}.progress i{height:100%;display:block;background:#829c69}.next{max-width:900px;margin-top:36px;line-height:1.7}.next h2{font-family:Georgia,serif}.reset{font-size:12px!important}.kt .preview-label{font-size:12px;color:#8a6926}@media(max-width:850px){.kt-layout{grid-template-columns:1fr}.kt{padding:32px 16px}.scene,.work{padding:18px}#tree{height:350px}.scene-top{flex-direction:column;gap:8px}}
.tree-art{position:relative;aspect-ratio:3/2;width:100%;overflow:hidden;border-radius:16px;margin:20px 0;background:#eee4d4}.tree-layer{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(var(--zoom,1));transition:opacity 1s ease,clip-path 1s ease,transform .4s ease;clip-path:var(--clip,inset(0));}.tree-layer.bare{background-image:url('/assets/knowledge-tree/bare.png');opacity:1}.tree-layer.leaves{background-image:url('/assets/knowledge-tree/leaves.png');opacity:var(--leaves,0)}.tree-layer.fruit{background-image:url('/assets/knowledge-tree/grown.png');opacity:var(--fruit,0)}.seed-art{display:none;position:absolute;inset:0;align-items:center;justify-content:center;font-size:80px;background:radial-gradient(ellipse,#fbf4e9,#e7d9c2)}.seed-only .seed-art{display:flex}#growth-caption{position:absolute;bottom:12px;left:12px;right:12px;text-align:center;font-size:12px;padding:9px;background:#ffffffdf;border-radius:8px;color:#4c5c43}.scene{background:#fffdf8}.scene-top{line-height:1.5}@media(prefers-reduced-motion:reduce){.tree-layer{transition:none}}
.foundation-editor{margin:25px 0;padding:18px;background:#f8f6f0;border:1px solid #e2dacb;border-radius:12px}.foundation-editor p{font-size:13px;line-height:1.6}.root-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:14px 0}.root-tabs button{font-size:12px;padding:8px}.root-tabs button[aria-pressed=true]{background:#73563d;color:white}.foundation-editor textarea{margin-top:8px}.field-feedback{display:block;font-size:11px;font-weight:400;line-height:1.5;color:#6b675c;margin:6px 0 16px}.rule-note{color:#756748}.root-summary{color:#5d6858}#root-growth{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}#root-growth path{transition:stroke-dasharray .6s ease}.seed-only #root-growth{z-index:1}.tree-art #growth-caption{bottom:3px;font-size:11px}

.foundation-editor[hidden],.root-tabs button[hidden]{display:none!important}