.tree-next{border:2px solid #43846e;background:linear-gradient(135deg,#f0f8f0,#fff);margin:22px 0}.tree-next h2{font-size:28px}.tree-home-links{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:24px 0}.tree-home-links a{color:inherit;text-decoration:none}.tree-intro form{display:grid;gap:16px;max-width:560px}.tree-intro label{display:grid;gap:7px}.tree-intro select{font:inherit;min-height:46px;border:1px solid #99b4b5;border-radius:8px;padding:8px;background:#fff;color:#173844}.tree-progress{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:28px 0}.tree-progress progress{accent-color:#378465;max-width:220px}.tree-progress button{background:#fff;border:1px solid #adc6c4;border-radius:8px;padding:10px;color:#244e5a;cursor:pointer}.learning-tree{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;align-items:start;margin:24px 0}.tree-branch{border:1px solid #bad1c7;border-radius:20px;background:#fff;padding:20px;min-width:0}.tree-branch:first-child{grid-column:1/-1;background:#f7faf2}.tree-branch summary{cursor:pointer;font-size:22px;font-weight:600}.tree-branch summary small{display:block;font-size:13px;font-weight:400;margin:8px 0}.tree-trail{list-style:none;padding:0 0 0 14px;margin:24px 0 0}.tree-node{position:relative;border-left:3px solid #c9dcd4;padding:0 0 26px 28px;margin:0;min-width:0}.tree-node:last-child{border-color:transparent;padding-bottom:4px}.tree-dot{position:absolute;left:-17px;top:0;display:grid;place-items:center;border-radius:50%;width:30px;height:30px;background:#edf2ee;border:2px solid #789e88;font-weight:700;color:#315c49}.tree-done>.tree-dot{background:#2f7957;color:#fff}.tree-ready>.tree-dot{background:#fbe9b4;border-color:#ac862e}.tree-node h2{font-size:19px;margin:6px 0 12px;overflow-wrap:anywhere}.tree-status{font-size:12px;color:#456258}.tree-node .button-link{font-size:14px;padding:10px 14px}.tree-waiting{color:#52645c}.tree-placement{display:grid;grid-template-columns:1fr 1fr;gap:12px}.tree-placement a{padding:10px;background:#f3f7f4;border-radius:8px}.tree-lesson-links{margin:0 0 22px}.tree-lesson-links h2{font-size:19px}.tree-lesson-links p{font-size:14px}@media(max-width:650px){.learning-tree,.tree-home-links,.tree-placement{grid-template-columns:1fr}.tree-branch{padding:16px}.tree-next h2{font-size:24px}.tree-next .text-link{display:block;margin-top:14px}.tree-intro .button-row{flex-wrap:wrap}.tree-progress{gap:10px}.tree-node{padding-left:22px}}