@keyframes rubik-page-enter{0%{clip-path:inset(10% 15% round 1rem);opacity:0}to{clip-path:inset(0% 0% round 0);opacity:1}}.rubik-page{display:flex;flex-direction:column;height:calc(100vh - 4rem);min-height:620px;color:#111827;background:#f3f4f6;animation:rubik-page-enter .35s cubic-bezier(.16,1,.3,1) forwards}.rubik-page__btn:focus-visible,.rubik-panel button:focus-visible,.rubik-panel__textarea:focus-visible{outline:2px solid #2563eb;outline-offset:2px}.rubik-page__actions{display:flex;gap:.75rem;margin-left:auto}.rubik-page__btn,.rubik-panel__btn,.rubik-panel__play,.rubik-panel__info-btn,.rubik-panel__back-btn{border:1px solid #d0d5db;border-radius:.5rem;background-color:#fff;color:#1d4ed8;cursor:pointer;font-family:inherit;font-weight:600;transition:background-color .15s ease,border-color .15s ease,color .15s ease,transform .15s ease}.rubik-page__btn{min-width:5.5rem;padding:.5rem 1.25rem;font-size:.875rem}.rubik-page__btn:hover:not(:disabled),.rubik-panel__btn:hover:not(:disabled),.rubik-panel__play:hover:not(:disabled),.rubik-panel__info-btn:hover:not(:disabled),.rubik-panel__back-btn:hover:not(:disabled){background-color:#dbeafe;border-color:#2563eb;color:#0036d8}.rubik-page__btn:disabled,.rubik-panel button:disabled,.rubik-panel__textarea:disabled{opacity:.48;cursor:not-allowed}.rubik-page__workspace{display:grid;grid-template-columns:minmax(0,1fr) 22rem;min-height:0;flex:1}.rubik-page__stage{min-width:0;min-height:0;display:flex;background:#fff}.rubik-page__canvas{width:100%;height:100%;display:block;background:#fff;border:none;cursor:grab;touch-action:none}.rubik-page__canvas:active{cursor:grabbing}.rubik-panel{display:flex;flex-direction:column;gap:1rem;min-width:0;padding:1rem;border-left:1px solid #e5e7eb;background:#f9fafb;overflow-y:auto}.rubik-panel__topbar{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.rubik-panel__info-btn{width:2.25rem;height:2.25rem;flex:0 0 auto;padding:0;border-radius:50%;font-size:1rem;line-height:1}.rubik-panel__back-btn{flex:0 0 auto;min-width:5.25rem;height:2.25rem;padding:0 .85rem;font-size:.82rem}.rubik-panel__section{display:flex;flex-direction:column;gap:.75rem;padding-bottom:1rem;border-bottom:1px solid #e5e7eb}.rubik-panel__section:last-child{border-bottom:0;padding-bottom:0}.rubik-panel__section-title{color:#374151;font-size:.78rem;font-weight:700;letter-spacing:0;text-transform:uppercase}.rubik-panel__view-grid{display:grid;grid-template-columns:repeat(3,2.75rem);grid-template-rows:repeat(3,2.75rem);justify-content:center;gap:.45rem}.rubik-panel__icon-btn{width:2.75rem;height:2.75rem;border:1px solid #cbd5e1;border-radius:.5rem;background:#fff;color:#111827;cursor:pointer;font-size:1.25rem;font-weight:700;line-height:1;transition:background-color .15s ease,border-color .15s ease,transform .15s ease}.rubik-panel__icon-btn:hover:not(:disabled){background:#eef2ff;border-color:#6366f1}.rubik-panel__icon-btn--top{grid-column:2;grid-row:1}.rubik-panel__icon-btn--left{grid-column:1;grid-row:2}.rubik-panel__icon-btn--center{grid-column:2;grid-row:2;color:#6b7280}.rubik-panel__icon-btn--right{grid-column:3;grid-row:2}.rubik-panel__icon-btn--bottom{grid-column:2;grid-row:3}.rubik-panel__button-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.5rem}.rubik-panel__btn{height:2.35rem;padding:0 .75rem;font-size:1rem}.rubik-panel__move-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.45rem}.rubik-panel__move-grid--compact{grid-template-columns:repeat(3,minmax(0,1fr))}.rubik-panel__move-btn{height:2.25rem;min-width:0;border:1px solid #1d4ed8;border-radius:.45rem;background:#2563eb;color:#fff;cursor:pointer;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.88rem;font-weight:700;transition:background-color .15s ease,border-color .15s ease,transform .15s ease}.rubik-panel__move-btn:hover:not(:disabled){background:#1d4ed8;border-color:#1e40af}.rubik-panel__move-btn--slice{background:#047857;border-color:#047857}.rubik-panel__move-btn--slice:hover:not(:disabled){background:#065f46;border-color:#065f46}.rubik-panel__move-btn--wide{background:#7c3aed;border-color:#7c3aed}.rubik-panel__move-btn--wide:hover:not(:disabled){background:#6d28d9;border-color:#6d28d9}.rubik-panel__section--algorithm{min-height:0}.rubik-panel__textarea{width:100%;min-height:7.25rem;resize:vertical;border:1px solid #cbd5e1;border-radius:.5rem;padding:.75rem;background:#fff;color:#111827;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.9rem;line-height:1.5}.rubik-panel__error{margin:-.25rem 0 0;color:#b91c1c;font-size:.82rem;line-height:1.4}.rubik-panel__play{height:2.6rem;font-size:.95rem}.rubik-notation{display:flex;flex-direction:column;gap:1rem}.rubik-notation__title{margin:.18rem 0 0;color:#111827;font-size:1.05rem;font-weight:750;line-height:1.2}.rubik-notation__intro,.rubik-notation__section,.rubik-notation__text-card{display:flex;flex-direction:column;gap:.75rem}.rubik-notation__intro{padding-bottom:1rem;border-bottom:1px solid #e5e7eb}.rubik-notation__intro p,.rubik-notation__text-card p,.rubik-notation-card p{margin:0;color:#4b5563;font-size:.86rem;line-height:1.48}.rubik-notation code,.rubik-notation-card code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-weight:750}.rubik-notation__face-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem}.rubik-notation__face-list span{display:flex;align-items:center;gap:.42rem;min-width:0;padding:.45rem .55rem;border:1px solid #e5e7eb;border-radius:.45rem;background:#fff;color:#374151;font-size:.82rem}.rubik-notation__face-list code{color:#1d4ed8}.rubik-notation__section{padding-bottom:1rem;border-bottom:1px solid #e5e7eb}.rubik-notation__section:last-child{padding-bottom:0;border-bottom:0}.rubik-notation__heading{margin:0;color:#374151;font-size:.86rem;font-weight:750;line-height:1.25}.rubik-notation__cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem}.rubik-notation-card,.rubik-notation__text-card{min-width:0;border:1px solid #e5e7eb;border-radius:.5rem;background:#fff}.rubik-notation-card{overflow:hidden}.rubik-notation-card__image{display:block;width:100%;aspect-ratio:1 / 1;object-fit:contain;padding:.45rem;background:#f3f4f6}.rubik-notation-card__body{display:flex;flex-direction:column;gap:.4rem;padding:.55rem}.rubik-notation-card__meta{display:flex;align-items:center;justify-content:space-between;gap:.4rem;color:#111827;font-size:.78rem;font-weight:700;line-height:1.25}.rubik-notation-card__meta code{flex:0 0 auto;padding:.16rem .35rem;border-radius:.35rem;background:#eef2ff;color:#1d4ed8;font-size:.8rem}.rubik-notation__text-card{padding:.7rem}@media(max-width:900px){.rubik-page{height:auto;min-height:calc(100vh - 4rem)}.rubik-page__workspace{display:flex;flex-direction:column}.rubik-page__stage{height:min(72vw,30rem);min-height:20rem}.rubik-panel{border-left:0;border-top:1px solid #e5e7eb}}@media(max-width:640px){.rubik-page__actions{gap:.5rem}.rubik-page__btn{min-width:0;padding:.45rem .8rem;font-size:.8125rem}.rubik-panel{padding:.875rem}.rubik-panel__move-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.rubik-notation__cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:420px){.rubik-notation__cards,.rubik-notation__face-list{grid-template-columns:1fr}}