.rp-workspace{--rp-ink:#244c59;--rp-blue:#236e9b;--rp-mist:#e6f0f4;--rp-line:#8baab7;--rp-paper:#fffdf5;max-width:1120px;margin:0 auto;color:var(--rp-ink)}.rp-workspace header h1{font-size:clamp(2.2rem,5vw,3.4rem);line-height:1;margin:.6rem 0}.rp-workspace header>p{max-width:64ch}.rp-case-strip{border-left:5px solid var(--rp-blue);padding:.2rem 1rem;background:#e6f0f4}.rp-case-strip summary{font-weight:700}.rp-case-strip p{margin:.4rem 0 .7rem}.rp-pages,.rp-controls,.rp-footer,.rp-choices,.rp-routes,.rp-question-tabs{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin:.9rem 0}.rp-pages{gap:.4rem}.rp-pages button{flex:1;min-width:140px}.rp-workspace button,.rp-workspace input,.rp-workspace summary,.rp-entry>a{min-height:44px}.rp-workspace button{white-space:normal}.rp-workspace button.selected{border-color:var(--rp-blue);background:#dcebf2;box-shadow:inset 0 0 0 1px var(--rp-blue);color:#194b66}.rp-workspace :focus-visible,.rp-entry :focus-visible{outline:3px solid #bd821c;outline-offset:3px}.rp-workspace [tabindex='-1']:focus{outline:3px solid #bd821c;outline-offset:4px}.rp-limitation{font-size:.95rem;padding:.7rem 0 .7rem 1rem;border-left:3px solid #78a6b9;max-width:75ch}.rp-task{background:var(--rp-paper);border:1px solid var(--rp-line);border-radius:14px;padding:1.2rem 1.4rem}.rp-task h2{margin-top:0;font-size:1.5rem}.rp-task p{max-width:78ch}.rp-next-step{border-left:4px solid var(--rp-blue);padding:.2rem .9rem .8rem;background:#edf5f8;margin:1rem 0}.rp-next-step p{margin:.7rem 0}.rp-machine-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1rem}.rp-machine{margin:0;border-top:2px solid #8baab7;padding-top:.7rem}.rp-machine figcaption{display:flex;flex-direction:column;gap:.2rem;font-size:.95rem}.rp-machine figcaption span{font-size:.85rem}.rp-machine-art,.rp-plan-art{display:block;width:100%;height:auto}.rp-tray-tabs{display:none}.rp-legend{display:flex;gap:1rem;flex-wrap:wrap;font-size:.8rem;align-items:center}.rp-legend>span{display:inline-flex;gap:.5rem;align-items:center}.rp-new-token,.rp-prior-token{display:inline-block;width:12px;height:12px;flex-shrink:0}.rp-new-token{background:#236e9b;border:1px solid #124763;transform:rotate(45deg);margin:0 3px}.rp-prior-token{border:1px solid #655b43;border-radius:50%;background:repeating-linear-gradient(45deg,#f4e2b5 0,#f4e2b5 3px,#7a6742 3px,#7a6742 4px)}.rp-ledgers{display:grid;grid-template-columns:1fr 1fr;gap:1rem;border-top:1px solid #b9ced7;padding-top:.7rem}.rp-ledger h3{font-size:.95rem;margin:.3rem 0}.rp-ledger>p{font-size:.85rem;margin:.3rem 0}.rp-ledger dl{display:grid;grid-template-columns:repeat(4,1fr);gap:.35rem;margin:.7rem 0}.rp-ledger dl>div{border-left:2px solid #c3d7e0;padding-left:.45rem}.rp-ledger dt{font-size:.75rem;line-height:1.25;min-height:2.5em}.rp-ledger dd{font-size:1.35rem;font-weight:700;margin:0}.rp-workspace details>summary{cursor:pointer;padding:.65rem 0;line-height:1.4}.rp-ledger details{font-size:.8rem}.rp-source-table{margin:1rem 0}.rp-source-table h3{font-size:1.1rem;margin:.5rem 0}.rp-source-table>p{margin:.5rem 0}.rp-table-scroll{overflow-x:auto;max-width:100%}.rp-source-table table{border-collapse:collapse;width:100%;font-size:.85rem;text-align:left}.rp-source-table th,.rp-source-table td{padding:.65rem .55rem;border-bottom:1px solid #b1c7d1;vertical-align:top;line-height:1.35}.rp-source-table thead{background:#e6f0f4}.rp-source-table tbody th{font-size:1rem}.rp-workspace fieldset{border:1px solid #9bb7c3;padding:1rem;display:grid;gap:.35rem;margin:1rem 0}.rp-workspace legend{font-weight:700;padding:0 .35rem;max-width:100%}.rp-workspace fieldset>label{display:flex;gap:.7rem;align-items:center;min-height:44px}.rp-workspace input[type=radio],.rp-workspace input[type=checkbox]{width:21px;height:21px;min-height:21px;flex-shrink:0;accent-color:var(--rp-blue)}.rp-workspace fieldset[disabled]{opacity:.75}.rp-workspace fieldset>button{justify-self:start;margin-top:.5rem}#rp-difference{display:block;width:115px;font:inherit;border:1px solid #7a9ba9;border-radius:5px;padding:.5rem;margin-left:.5rem}.rp-feedback{border-left:4px solid #4c8197;background:#e9f2f5;padding:.8rem 1rem;margin:1rem 0}.rp-feedback p{margin:.5rem 0}.rp-workspace .tiny{font-size:.8rem}.rp-support,.rp-details,.rp-kept{border-top:1px solid #a5bdc6;margin-top:1rem;padding:.4rem .8rem}.rp-support .rp-controls{margin:.5rem 0}.rp-example{background:#f2f6f6;padding:1rem;border-left:3px solid #8baab7;margin:.8rem 0}.rp-example h3{margin:.3rem 0}.rp-case-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin:.4rem 0 .8rem}.rp-planning-board{border:2px solid #8baab7;border-radius:8px;background:#f1f7f9;padding:1rem;margin-top:1rem}.rp-planning-board h3{font-size:1rem;margin:.3rem 0}.rp-planning-board #rp-plan-status{font-size:1.05rem;font-weight:600}.rp-routes>button{flex:1;min-width:190px}.rp-footer{justify-content:space-between}.rp-entry{border:1px solid #8baab7;border-left:5px solid #236e9b;background:#edf5f8;padding:1rem 1.25rem;display:flex;align-items:center;gap:1rem;margin-top:1rem;border-radius:10px}.rp-entry h2{margin:.3rem 0}.rp-entry p{margin:.5rem 0;max-width:65ch}.rp-entry>a{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.rp-workspace pre,[data-rp-notes] pre{white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%;font-size:.8rem}
@media(max-width:700px){.rp-task{padding:1rem .8rem}.rp-workspace header h1{font-size:2.2rem}.rp-workspace header>p{font-size:.95rem}.rp-pages{gap:.3rem}.rp-pages button{min-width:calc(50% - .3rem);font-size:.85rem;padding:.55rem .4rem}.rp-case-strip{padding:.2rem .65rem;font-size:.85rem}.rp-limitation{font-size:.85rem;padding:.5rem .7rem}.rp-machine-pair{grid-template-columns:1fr;gap:.2rem;margin-top:.5rem}.rp-tray-tabs{display:flex;gap:.5rem}.rp-tray-tabs button{flex:1}.rp-machine:not(.rp-active-tray){display:none}.rp-machine{padding-top:.4rem}.rp-machine-art{max-height:300px}.rp-example-machines .rp-machine-art{max-height:260px}.rp-machine figcaption{font-size:.85rem}.rp-legend{font-size:.75rem;gap:.6rem;margin:.4rem 0 .8rem}.rp-ledgers{gap:.65rem}.rp-ledger h3{font-size:.8rem;line-height:1.35}.rp-ledger>p{font-size:.75rem}.rp-ledger dl{grid-template-columns:1fr 1fr;gap:.4rem}.rp-ledger dt{min-height:auto;font-size:.7rem}.rp-ledger dd{font-size:1.15rem}.rp-ledger details summary{font-size:.75rem}.rp-table-scroll table{font-size:.7rem}.rp-source-table th,.rp-source-table td{padding:.45rem .3rem}.rp-question-tabs{gap:.35rem}.rp-question-tabs>button{flex:1;min-width:calc(50% - .35rem);font-size:.85rem}.rp-workspace fieldset{padding:.8rem .65rem}.rp-workspace fieldset>label{font-size:.9rem}.rp-workspace fieldset>label:has(#rp-difference){display:block}#rp-difference{margin:.4rem 0}.rp-support{padding:.5rem 0}.rp-support .rp-controls>button,.rp-support .rp-controls>span{flex:1;min-width:calc(50% - .6rem);font-size:.85rem}.rp-support .hear-button{width:100%;font-size:.85rem}.rp-example{padding:.6rem}.rp-planning-board{padding:.6rem}.rp-plan-art{min-width:280px}.rp-case-grid{grid-template-columns:1fr}.rp-entry{display:block}.rp-entry>a{margin-top:.5rem}.rp-routes>button{font-size:.85rem;min-width:130px}.rp-task h2{font-size:1.3rem}.rp-task .rp-choices>button{flex:1;min-width:calc(50% - .6rem)}}
@media(prefers-reduced-motion:reduce){.rp-workspace *{scroll-behavior:auto}}