.feature-demo{margin:28px 0 36px;border:1px solid #cbd8c5;border-radius:22px;background:#fff;color:#234c40;overflow:hidden}.feature-demo[hidden]{display:none}.demo-intro{padding:24px 28px;background:#edf2e6;display:flex;gap:24px;justify-content:space-between;align-items:center}.demo-intro h3{margin:6px 0;font-size:1.4rem}.demo-intro p{margin:0;font-size:.92rem}.feature-demo button,.feature-demo select{font:inherit;font-size:.9rem;padding:12px 16px;min-height:44px;border:1px solid #cbd8c5;border-radius:11px;color:#234c40;background:white;cursor:pointer}.feature-demo button:hover{background:#f1f5eb}.feature-demo button[aria-pressed=true]{background:#234c40;color:white}.feature-demo button:disabled{opacity:.5;cursor:default}.feature-demo button:focus-visible,.feature-demo select:focus-visible{outline:3px solid #3278be;outline-offset:3px}.feature-demo [hidden]{display:none!important}.demo-intro button{flex-shrink:0}.demo-toolbar{padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid #dbe4d5;font-weight:650}.demo-toolbar b,.demo-tag{font-size:.75rem;font-weight:500;color:#59705e}.demo-workspace{display:grid;grid-template-columns:180px minmax(0,1fr)}.demo-sidebar{padding:28px 16px;background:#f8faf5;border-right:1px solid #dbe4d5}.demo-sidebar span{display:block;padding:12px;margin:6px 0;font-size:.8rem}.demo-sidebar .selected{background:#faecd4;border-radius:10px}.demo-workspace.is-focused{grid-template-columns:1fr}.demo-workspace.is-focused .demo-sidebar{display:none}.demo-lesson{padding:32px;min-width:0}.demo-lesson h4,.demo-family h4,.demo-teacher h4{font-size:1.45rem;line-height:1.25;margin:12px 0 20px}.demo-eyebrow{font-size:.72rem!important;letter-spacing:.08em;font-weight:700}.demo-equation{display:flex;justify-content:space-evenly;align-items:center;gap:10px;background:#234c40;color:white;border-radius:16px;padding:26px 14px;font-size:clamp(1.5rem,4vw,2.5rem)}.demo-equation span{color:#ffbb49}.demo-progress{display:flex;gap:8px;margin:24px 0}.demo-progress span{flex:1;height:4px;background:#e4ebdf;border-radius:4px}.demo-progress .done{background:#be7b20}.demo-actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.demo-actions [data-demo-action=next],.feature-demo .demo-primary{background:#ffbb49;border-color:#ffbb49;color:#26392e}.demo-hint,.demo-preview{padding:20px;border-radius:12px;background:#f6f1e4}.demo-family{padding:28px}.demo-family-card{background:#f4f7ee;border:1px solid #dbe4d5;border-radius:16px;padding:26px}.demo-family blockquote{padding:20px;margin:18px 0 0;background:#fff;border-left:3px solid #bc7a23;border-radius:8px;font-size:1.2rem}.demo-week{padding:20px 0}.demo-week>div{display:flex;gap:10px;margin:16px 0}.demo-week span{display:grid;place-items:center;width:38px;height:38px;border:1px dashed #91a781;border-radius:50%;font-size:.8rem}.demo-week .done{background:#54754a;color:white;border-style:solid}.demo-small{font-size:.82rem!important;color:#5c6f5e;margin-top:18px!important}.demo-teacher{padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:28px}.demo-label{display:block;font-weight:650}.demo-label select{display:block;width:100%;margin-top:10px}.demo-pupil{border-left:1px solid #dbe4d5;padding-left:28px;min-width:0}.demo-placeholder{padding:20px;border:1px dashed #acbda2;border-radius:14px;background:#fafbf8}.demo-assigned{padding:24px;background:#edf2e6;border:1px solid #cbd8c5;border-radius:14px;animation:demo-arrive .2s ease-out}.demo-assigned>span{font-size:.72rem}.demo-status{min-height:50px;margin:0!important;padding:16px 24px;background:#fafbf8;border-top:1px solid #dbe4d5;font-size:.82rem!important;color:#52654f}
@keyframes demo-arrive{from{opacity:.4;transform:translateY(5px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.demo-assigned{animation:none}}
@media(max-width:700px){.demo-intro{align-items:flex-start;flex-direction:column;padding:22px;gap:14px}.demo-toolbar{padding:16px;align-items:flex-start}.demo-toolbar>span{max-width:55%}.demo-workspace{grid-template-columns:110px minmax(0,1fr)}.demo-sidebar{padding:12px 6px}.demo-sidebar span{padding:8px 4px;font-size:.7rem}.demo-lesson{padding:20px 16px}.demo-equation{font-size:1.4rem;padding:20px 8px}.demo-actions button{flex:1 1 auto}.demo-family,.demo-teacher{padding:20px}.demo-family-card{padding:20px}.demo-teacher{grid-template-columns:1fr}.demo-pupil{border-left:0;padding:20px 0 0;border-top:1px solid #dbe4d5}.demo-status{padding:16px}}
@media(max-width:380px){.demo-workspace{grid-template-columns:1fr}.demo-sidebar{display:flex;gap:4px;border-right:0;border-bottom:1px solid #dbe4d5;padding:8px}.demo-sidebar span{margin:0;flex:1}.demo-workspace.is-focused .demo-sidebar{display:none}.demo-toolbar{flex-wrap:wrap}}