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ease}.teacher-guide-link:hover{border-color:#0f766e6b;background:#e8f6f2;transform:translateY(-1px)}.collaboration-roadmap-note{max-width:860px;margin:0;padding:10px 12px;border-left:3px solid rgba(15,118,110,.45);border-radius:8px;background:#fffc;color:#2a4740;font-size:.92rem;line-height:1.55;word-break:keep-all;text-wrap:balance;white-space:normal}.toolbar{display:grid;gap:10px;flex:0 0 auto}.segmented-control{display:inline-flex;gap:4px;padding:5px;border:1px solid rgba(15,118,110,.22);border-radius:999px;background:#ffffffd1;box-shadow:0 12px 32px #0f231f14}.segment-button{min-width:94px;min-height:42px;border:0;border-radius:999px;background:transparent;color:#335149;font-weight:800;transition:background-color .16s ease,color .16s ease,box-shadow .16s ease}.segment-button:hover{background:#0f766e1a;color:#0f4f48}.segment-button[aria-pressed=true]{background:#0f766e;color:#fff;box-shadow:0 8px 20px 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