.exploration-invitation{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#f2f7f0;margin-bottom:24px;border-color:#dce7d6}.exploration-invitation h2{margin:8px 0;font-size:21px}.exploration-invitation p{margin-bottom:8px;overflow-wrap:anywhere}.exploration-invitation .btn{flex-shrink:0}.exploration-intro{margin-bottom:24px}.exploration-intro h2{margin:16px 0 8px}.exploration-mode-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:24px 0 14px}.exploration-mode{display:flex;flex-direction:column;gap:12px;text-align:left;padding:20px;border:1px solid #dce5dc;border-radius:16px;background:#fbfdf9}.exploration-mode:hover{border-color:#8daf93;background:#f1f7ec}.exploration-mode:focus-visible{outline:3px solid #ba723e;outline-offset:3px}.exploration-mode-index{font-size:24px;letter-spacing:-1px;color:#82a18a}.exploration-mode strong{font-size:17px;color:#405b49}.exploration-mode>span:last-child{font-size:13px;line-height:1.8;color:var(--muted)}#own-exploration-form{max-width:760px;padding:16px 0}#own-exploration-form button{margin-top:12px}.exploration-history{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:19px 0;text-align:left;border:0;border-bottom:1px solid var(--line);background:transparent}.exploration-history strong{display:block;line-height:1.7;overflow-wrap:anywhere}.exploration-history small{display:block;margin-top:5px;line-height:1.7;color:var(--muted);overflow-wrap:anywhere}.exploration-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 24px}.exploration-toolbar [role=status]{flex:1;font-size:12px;color:#587860;min-width:120px;overflow-wrap:anywhere}.exploration-editor{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;align-items:start}.exploration-main,.exploration-aside{display:grid;gap:24px;min-width:0}.exploration-main .field{margin-top:20px;gap:9px}.exploration-main textarea{line-height:1.9;resize:vertical;min-height:90px}.exploration-main .form-actions{justify-content:flex-start;margin:20px 0}.exploration-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.exploration-controls input{width:100%}#exploration-number-line svg{width:100%;display:block;margin:24px 0 4px;background:#f7faf4;border-radius:12px}.exploration-equation{font-size:24px;font-weight:650;letter-spacing:.5px;color:#47624d;text-align:center;margin:14px 0;overflow-wrap:anywhere}.exploration-methods{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:22px 0}.exploration-methods>div{padding:14px 12px;background:#f8f7f2;border-radius:12px;font-size:12px}.exploration-methods strong{font-size:12px}.exploration-methods p{margin-top:8px;line-height:1.9;overflow-wrap:anywhere}.exploration-trial-list{margin:12px 0}.exploration-trial-list>div{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid var(--line);font-size:13px}.exploration-coach{background:#fff8ed}.exploration-coach h2{margin:12px 0;font-size:19px}.exploration-coach>p,.exploration-note p{font-size:13px;line-height:1.9;margin:12px 0}.exploration-coach .btn{white-space:normal;width:100%}.exploration-coach .hint-box{padding:13px;overflow-wrap:anywhere;font-size:13px}.exploration-coach .badge{white-space:normal}.explore-error{color:#b34532!important;font-size:13px;line-height:1.8}.exploration-parent{margin-bottom:20px;color:#5c7864;font-size:13px}.exploration-editor h2{font-size:19px}.exploration-note{background:#f6f9f5}#explore-lab-message{font-size:12px;margin:12px 0}#exploration-trials{margin-top:22px}
@media(max-width:1200px){.exploration-editor{grid-template-columns:minmax(0,1fr)}.exploration-aside{grid-template-columns:repeat(2,minmax(0,1fr))}.exploration-mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.understand-steps{display:flex;gap:10px;margin-bottom:22px}.understand-steps button{border:0;border-radius:10px;padding:11px 17px;background:#efefea;color:#738173;font-size:13px}.understand-steps .active{background:#e2efdf;color:#3b6647;font-weight:650}.understand-question{font-size:24px!important;line-height:1.65;margin:18px 0 10px}.understand-story{font-size:17px;line-height:2;color:#485a4b;margin:18px 0}.understand-choices{display:grid;gap:12px;margin:24px 0}.understand-choices .btn{justify-content:flex-start;text-align:left;padding:15px 18px;white-space:normal}.understand-choices .selected{border-color:#719b75;background:#edf5e8;color:#355d3c}.optional-thought{margin:20px 0;color:#6c7d70;font-size:13px}.optional-thought summary{cursor:pointer;padding:8px 0}.understand-step>.btn.primary{margin:16px 0 0}.understand-saved{background:#edf6e8;border-radius:12px;color:#446d45;padding:16px;font-size:14px;line-height:1.8}.understand-step #exploration-trials{font-size:13px}.understand-step #exploration-trials h3{font-size:14px}.understand-step .muted{font-size:13px;line-height:1.9}
@media(max-width:720px){.nav-items{grid-template-columns:repeat(6,minmax(0,1fr))}.understand-steps{gap:6px}.understand-steps button{flex:1;padding:10px 7px;font-size:12px}.understand-question{font-size:21px!important}.understand-story{font-size:16px}}
@media(max-width:680px){.exploration-invitation{align-items:flex-start;flex-direction:column;gap:16px}.exploration-invitation h2{font-size:19px}.exploration-editor .panel{padding:19px 16px}.exploration-toolbar{gap:8px}.exploration-toolbar .btn{font-size:12px}.exploration-toolbar [role=status]{order:3;flex-basis:100%}.exploration-mode-grid{gap:10px}.exploration-mode{padding:14px 12px}.exploration-mode strong{font-size:15px}.exploration-mode>span:last-child{font-size:12px}.exploration-aside,.exploration-methods{grid-template-columns:1fr}.exploration-controls{gap:8px}.exploration-controls .field{font-size:11px}.exploration-controls input{min-width:0;padding:9px}.exploration-history{align-items:flex-start}.exploration-history .badge{white-space:normal;max-width:74px}.exploration-editor .form-actions .btn{white-space:normal}.exploration-editor .section-heading{align-items:flex-start;flex-wrap:wrap}}