.playground-page{grid-area:main;width:100%;max-width:80rem;margin:0 auto;padding:4rem 2.5rem 8rem}.playground-page>header{max-width:44rem;margin-bottom:3.5rem}.playground-page>header h1{font-size:clamp(2.75rem,6vw,4.5rem);line-height:.96}.playground-page>header p{color:var(--color-text-muted);margin-top:1.25rem;font-size:1.1875rem}.playground{grid-template-columns:minmax(0,1fr);gap:1rem;margin:0;padding:0;list-style:none;display:grid}.step{border:1px solid var(--color-divider);border-radius:var(--radius-frame);background:var(--color-surface);grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:2.5rem;padding:2.25rem;display:grid}.step[data-wide]{grid-template-columns:minmax(0,1fr)}.step[data-locked]{color:var(--color-text-muted);background:0 0;border-style:dashed;padding:1.25rem 2.25rem;display:block}.step[data-locked] h2{color:var(--color-text-muted);margin:0}@media (max-width:64rem){.step{grid-template-columns:minmax(0,1fr)}}.step h2{letter-spacing:-.045em;align-items:center;gap:.875rem;margin-bottom:1rem;font-size:1.75rem;font-weight:800;display:flex}.step-n{border-radius:var(--radius-control);background:var(--color-hue-1);width:2.25rem;height:2.25rem;color:var(--color-page);letter-spacing:0;flex:none;place-items:center;font-size:1rem;display:grid}.step:nth-child(5n+2) .step-n{background:var(--color-hue-2)}.step:nth-child(5n+3) .step-n{background:var(--color-hue-3)}.step:nth-child(5n+4) .step-n{background:var(--color-hue-4)}.step:nth-child(5n+5) .step-n{background:var(--color-hue-5)}.step[data-locked] .step-n{border:1px dashed var(--color-field);color:var(--color-text-muted);background:0 0}.step[data-done] .step-n{background:var(--color-good)}.step-text{align-content:start;gap:.875rem;line-height:1.65;display:grid}.step-text p{color:var(--color-text)}.step-text strong{color:var(--color-text-strong)}.step-text code,.collections code{border-radius:var(--radius-small);background:var(--color-sunken);font-family:var(--font-mono);padding:.1em .4em;font-size:.85em}.step-code{min-width:0}.step-code h3{color:var(--color-text-muted);margin:1.5rem 0 .5rem;font-size:1rem}.step-code figure{margin:0}.try{border-radius:var(--radius-surface);background:var(--color-sunken);justify-items:start;gap:.75rem;margin-top:.5rem;padding:1.25rem;display:grid}.try small{color:var(--color-text-muted)}.try .ok{color:var(--color-good);align-items:center;gap:.5rem;display:flex}.try .ok strong,.try .ok code{color:var(--color-text-strong)}.problem{color:var(--color-danger)!important}.button-primary,.button-quiet,.choice{height:var(--control-height);border-radius:var(--radius-control);white-space:nowrap;align-items:center;gap:.5rem;padding:0 1.25rem;font-weight:500;transition:background-color .15s;display:inline-flex}.button-primary{background:var(--color-action);color:var(--color-on-action)}.button-primary:hover:not(:disabled){background:var(--color-action-hover)}.button-primary:disabled{opacity:.5}.button-quiet{border:1px solid var(--color-field);color:var(--color-text-strong)}.button-quiet:hover{background:var(--color-surface)}.next{justify-self:start}.choices{flex-wrap:wrap;gap:.5rem;display:flex}.choice{border:1px solid var(--color-field);color:var(--color-text-strong)}.choice small{font-size:var(--text-small)}.choice:hover{background:var(--color-surface)}.choice[aria-pressed=true]{border-color:var(--color-action);background:var(--color-action-soft)}.collections{gap:.375rem;width:100%;display:grid}.collections ul{gap:.25rem;margin:0;padding:0;list-style:none;display:grid}.collections li{align-items:baseline;gap:.75rem;display:flex}.collections li span{color:var(--color-text-muted);font-size:var(--text-small)}.items{width:100%;margin:0;padding:0;list-style:none;display:grid}.items:empty{display:none}.items li{border-bottom:1px solid var(--color-divider);justify-content:space-between;align-items:center;gap:1rem;padding:.5rem 0;display:flex}.items label{color:var(--color-text-strong);align-items:center;gap:.75rem;display:flex}.items input{width:1.125rem;height:1.125rem;accent-color:var(--color-action)}.items input:checked+span{color:var(--color-text-muted);text-decoration:line-through}.add{gap:.5rem;width:100%;display:flex}.add input{min-width:0;height:var(--control-height);border:1px solid var(--color-field);border-radius:var(--radius-control);background:var(--color-page);color:var(--color-text-strong);flex:1;padding:0 1rem}.add input:focus{outline:2px solid var(--color-action);outline-offset:1px}.screen-step{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:1rem;margin-top:.5rem;display:grid}@media (max-width:64rem){.screen-step{grid-template-columns:minmax(0,1fr)}}.editor{border:1px solid var(--color-divider);border-radius:var(--radius-surface);background:var(--color-sunken);flex-direction:column;display:flex;overflow:hidden}.editor textarea{min-height:30rem;color:var(--color-text-strong);font-family:var(--font-mono);resize:vertical;tab-size:2;background:0 0;border:0;flex:1;padding:1.25rem;font-size:.8rem;line-height:1.6}.editor textarea:focus{outline:none}.editor-bar{border-top:1px solid var(--color-divider);justify-content:space-between;align-items:center;padding:.625rem .625rem .625rem 1.25rem;display:flex}.editor-bar small{color:var(--color-text-muted)}.window{border:1px solid var(--color-divider);border-radius:var(--radius-surface);background:var(--color-page);flex-direction:column;min-height:30rem;display:flex;overflow:hidden}.window-bar{border-bottom:1px solid var(--color-divider);gap:6px;padding:.75rem 1rem;display:flex}.window-bar span{background:var(--color-field);border-radius:50%;width:10px;height:10px}.screen-frame{opacity:0;border:0;flex:1;width:100%;transition:opacity .15s}.screen-frame[data-drawn]{opacity:1}@media (max-width:40rem){.playground-page{padding:2.5rem 1rem 5rem}.playground-page>header{margin-bottom:2rem}.playground-page>header p{font-size:1.0625rem}.step{gap:1.5rem;padding:1.25rem}.step[data-locked]{padding:1rem 1.25rem}.step h2{font-size:1.375rem}.try{padding:1rem}.editor textarea,.window{min-height:20rem}}