.tree-course{padding:20px 0}.tree-heading h2{font:clamp(38px,7vw,65px)/1.1 Georgia,serif;color:#f0dfb8;margin:10px 0 16px}.tree-heading>p{max-width:680px;color:#b5ceca}.tree-heading progress{width:100%;height:7px;accent-color:#a5d8bd}.tree-course-layout{display:grid;grid-template-columns:minmax(320px,1fr) minmax(300px,1fr);gap:24px;align-items:start;margin:26px 0}.tree-world{position:sticky;top:20px;background:radial-gradient(ellipse,#163f4d,#0d1420 75%);border:1px solid #81bdad55;border-radius:25px;padding:15px;overflow:hidden}.tree-perspective{perspective:1000px;padding:20px 0}.tree-scene{position:relative;width:100%;height:640px;transform:rotateX(8deg) rotateY(var(--tree-turn,0deg));transform-style:preserve-3d;transition:transform .2s}.tree-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible}.tree-lines line{stroke:#718d9670;stroke-width:.45;filter:drop-shadow(0 0 2px #58bea466)}.tree-lines .path-lit{stroke:#cece98;stroke-width:.7;stroke-dasharray:2 1.7;animation:tree-flow 4s linear infinite;filter:drop-shadow(0 0 3px #ccebbe)}.sphere{position:absolute;transform:translate(-50%,-50%) translateZ(20px);width:82px;min-height:82px;padding:8px 3px;border:1px solid #d6ebdc44;border-radius:50%;background:radial-gradient(circle at 32% 22%,#fff,var(--orb) 18%,color-mix(in srgb,var(--orb),#142039 60%) 60%,#0b1c24);box-shadow:0 6px 0 #07131c88,0 10px 25px #0008,inset -7px -8px 14px #0006;color:#fff;text-align:center;transition:box-shadow .2s,scale .2s;z-index:2}.sphere.selected{scale:1.08;outline:2px solid #f3dfad;outline-offset:5px;box-shadow:0 0 40px color-mix(in srgb,var(--orb),transparent 35%),0 12px 25px #0008}.sphere.current:after{content:'✦';position:absolute;right:-6px;top:-7px;color:#f1d18e;font-size:18px}.sphere.integrated:before{content:'✓';position:absolute;left:-8px;top:-4px;width:22px;height:22px;line-height:22px;background:#aedfba;color:#143028;border-radius:50%;font-size:14px}.sphere-hebrew{display:block;font:23px/1.1 Georgia,serif;text-shadow:0 1px 6px #000}.sphere strong{display:block;font-size:10px;font-weight:750;line-height:1.3;margin:5px 0 2px;text-shadow:0 1px 4px #000}.sphere small{display:block;font-size:8px;color:#f4f0dc;text-shadow:0 1px 4px #000}.tree-rotate{display:flex;align-items:center;gap:12px;font-size:12px;color:#b7ccc1}.tree-rotate input{width:55%;accent-color:#adceb8}.tree-world>button{font-size:11px;padding:7px 12px;display:block;margin:auto}.sphere-lesson{background:#142832;border:1px solid #8dbbb14d;border-radius:23px;padding:25px;scroll-margin-top:20px}.sphere-lesson h3{font:34px/1.1 Georgia,serif;color:#e8d7ad;margin:10px 0}.sphere-energy{color:#add4c2;font-size:17px}.sphere-lesson h4{color:#c9d9be;font-size:12px;text-transform:uppercase;letter-spacing:.08em;margin-top:24px}.sphere-lesson p{font-size:15px;line-height:1.75;color:#c7d5cc}.sphere-lesson fieldset{border:1px solid #8bb9a644;border-radius:15px;margin:24px 0;padding:16px}.sphere-lesson legend{color:#d4c79d;font-size:12px;padding:0 8px}.sphere-lesson fieldset label{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.6;color:#dde5d6}.sphere-lesson input[type=checkbox]{width:18px;height:18px;margin:3px 0;flex-shrink:0;accent-color:#a5d2b5}.sphere-lesson textarea{background:#0d1c27;border-color:#a3c2aa66;min-height:150px}.sphere-lesson>button{width:100%;margin-top:14px}.sphere-lesson button:disabled{opacity:.5;cursor:default}.sphere-cards{display:grid;grid-template-columns:1fr 1fr;gap:8px}.sphere-cards h4{grid-column:1/-1}.sphere-cards button{font-size:12px;background:#14232c;border-color:#bbbc9255}.tree-path-study,.tree-sources{padding:24px;margin:24px 0;border:1px solid #90b9a944;border-radius:22px;background:#11232c}.tree-path-study h3{font:30px Georgia,serif;color:#e0d2ad}.tree-path-study p{color:#bfd0c4;line-height:1.8}.tree-path-study select{background:#0c1b25}.tree-path-study button{margin-top:15px;width:100%}.tree-system-note{font-size:13px}.tree-sources summary{color:#c8d9bb;cursor:pointer}.tree-sources p,.tree-sources a{font-size:13px;line-height:1.7}.open-tree{background:linear-gradient(100deg,#294e48,#23334c)!important;border-color:#a5d5bd99!important;color:#d9e9cd!important;box-shadow:0 5px 22px #8ac2b012}.tree-progress-label{font-size:12px;color:#d6c797}@keyframes tree-flow{to{stroke-dashoffset:-15}}@media(max-width:760px){.tree-course-layout{grid-template-columns:1fr}.tree-world{position:relative;top:auto;padding:8px}.tree-scene{height:620px}.sphere{width:75px;min-height:75px}.sphere-lesson{padding:21px}.tree-heading h2{font-size:44px}.tree-path-study,.tree-sources{padding:20px}.tree-course{padding:10px 0}}@media(max-width:370px){.sphere{width:66px;min-height:66px}.sphere-hebrew{font-size:20px}.sphere strong{font-size:9px}.sphere small{font-size:7px}.tree-scene{height:580px}}@media(prefers-reduced-motion:reduce){.tree-lines .path-lit{animation:none}.sphere,.tree-scene{transition:none}}