.activity-page{--activity-text:clamp(18px, 1.4vw, 23px);min-height:100dvh}.activity-page .header-inner{max-width:1664px;height:60px;padding:0 28px}.activity-page .brand-mark{font-size:36px}.activity-page .brand>span:last-child{font-size:20px}.activity-page .header-inner nav{gap:18px;font-size:14px}.activity-shell{max-width:1664px;margin:0 auto;padding:8px 28px 20px}.activity-heading{justify-content:space-between;align-items:center;gap:16px;padding-bottom:4px;display:flex}.activity-heading h1{letter-spacing:-1px;font-size:clamp(23px,2.2vw,32px);line-height:1.25}.activity-heading h2{font-size:clamp(22px,1.8vw,28px);line-height:1.3}.activity-page .settings-button{flex-shrink:0;min-height:44px;padding:8px 12px;font-size:14px}.activity-notice:empty{display:none}.activity-notice:not(:empty){max-width:1608px;color:var(--green);margin:4px auto;padding:6px 28px;font-size:14px}.activity-scorebar{background:var(--surface);border:1px solid var(--line);border-radius:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 20px;margin-bottom:12px;padding:9px 16px;font-size:17px;display:flex}.activity-scorebar strong{font-size:23px}.activity-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:20px;display:grid}.activity-panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;min-width:0;overflow:hidden}.activity-panel-body{padding:20px}.activity-panel h2{margin-bottom:14px;font-size:clamp(22px,1.8vw,28px);line-height:1.3}.activity-panel h3{font-size:20px;line-height:1.35}.activity-panel p,.activity-panel li{font-size:var(--activity-text);line-height:1.5}.activity-panel svg{max-width:100%;height:auto;display:block}.activity-panel button,.activity-page .primary-button,.activity-page .secondary-button{min-height:44px}.activity-page .primary-button,.activity-page .secondary-button{font-size:16px}.activity-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;padding-top:16px;display:flex}.activity-options{gap:10px;display:grid}.activity-option{text-align:left;width:100%;color:var(--ink);font-size:var(--activity-text);background:#fbfcf7;border:1px solid #cbd6c6;border-radius:9px;padding:12px 15px;line-height:1.35}.activity-option:hover:not(:disabled){background:#f0f4e9;border-color:#839f78}.activity-option.selected,.activity-option[aria-pressed=true]{border-color:var(--green);box-shadow:inset 0 0 0 1px var(--green);background:#e9f1e2}.activity-option:disabled{cursor:default}.activity-steps{border-bottom:1px solid var(--line);background:#f0f3e9;flex-wrap:wrap;gap:10px;padding:10px 16px;font-size:14px;display:flex}.activity-kicker,.activity-panel .activity-kicker{letter-spacing:1.2px;color:#60705d;text-transform:uppercase;font-size:12px;font-weight:700}.activity-muted,.activity-panel .activity-muted{color:#586e60;font-size:15px}.activity-feedback{border:1px solid var(--line);border-radius:9px;margin:10px 0;padding:14px}.activity-feedback.correct{color:#2c613b;background:#eef5e7;border-color:#8cae79}.activity-feedback.incorrect{color:#993e2c;background:#fff0ec;border-color:#db9a86}.activity-feedback strong{font-size:19px;display:block}.activity-panel details{border-top:1px solid var(--line);margin-top:16px;padding-top:14px}.activity-panel summary{cursor:pointer;min-height:44px;font-size:18px;font-weight:600}.activity-panel details p+p{margin-top:12px}.activity-summary-list{gap:10px;margin:18px 0;padding:0;list-style:none;display:grid}.activity-summary-list button{text-align:left;border:1px solid var(--line);width:100%;color:var(--ink);background:var(--surface);border-radius:8px;padding:12px 16px;font-size:18px;display:block}.activity-page .dialog-content p,.activity-page .dialog-content li{color:#50634e;font-size:16px}.activity-page .setting-label,.activity-page legend,.activity-page .team-inputs label{font-size:15px}.activity-page .segmented button,.activity-page .setting-label select,.activity-page .team-inputs input{min-height:44px;font-size:16px}.activity-settings-note{margin-top:14px}.activity-share-input{border:1px solid var(--line);border-radius:6px;width:100%;margin:12px 0 20px;padding:12px;display:block}@media (max-width:760px){.activity-page .header-inner{flex-wrap:wrap;gap:12px;height:auto;min-height:70px;padding:10px 18px}.activity-page .header-inner nav{flex-wrap:wrap;gap:12px;font-size:13px}.activity-page .brand>span:last-child{font-size:18px}.activity-page .brand-mark{font-size:30px}.activity-shell{padding:12px 18px}.activity-heading{flex-wrap:wrap;align-items:flex-start}.activity-layout{grid-template-columns:minmax(0,1fr);gap:14px}.activity-panel-body{padding:16px}.activity-scorebar{padding:10px 12px;font-size:15px}.activity-actions>.primary-button{flex:1;justify-content:center}}@media (prefers-reduced-motion:reduce){.activity-page *,.activity-page :before,.activity-page :after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}