.nl-root{--c-matematik: var(--c-fizik, var(--accent))}.nl-tabs{display:flex;gap:.4rem;background:var(--bg);border-radius:12px;padding:.35rem;align-self:stretch;overflow-x:auto;-webkit-overflow-scrolling:touch}.nl-tab{flex:1;min-width:max-content;padding:.55rem .9rem;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--ink-soft);font:inherit;font-size:.9rem;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .15s ease,color .15s ease,border-color .15s ease}.nl-tab:hover{color:var(--ink)}.nl-tab.is-active{background:var(--bg-card);color:var(--c-fizik, var(--accent));border-color:var(--line);box-shadow:var(--shadow-sm)}.nl-tab:focus-visible{outline:2px solid var(--c-fizik, var(--accent));outline-offset:2px}.nl-buttons{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}.nl-action-btn{padding:.55rem 1.1rem;border-radius:999px;border:1px solid transparent;background:var(--c-fizik, var(--accent));color:var(--bg-card);font:inherit;font-size:.92rem;font-weight:600;cursor:pointer;transition:transform .12s ease,background .15s ease,opacity .15s ease}.nl-action-btn:hover:not(:disabled){transform:translateY(-1px)}.nl-action-btn:disabled{opacity:.5;cursor:not-allowed}.nl-action-btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}.nl-action-btn--ghost:hover:not(:disabled){background:var(--bg-soft)}.nl-action-btn:focus-visible{outline:2px solid var(--c-fizik, var(--accent));outline-offset:2px}.nl-action-btn.is-on{background:#ea580c}@media(min-width:900px){.cp-viewer--full .interactive.nl-root:has(>.interactive-hint){grid-template-rows:auto minmax(0,1fr) auto}.cp-viewer--full .nl-tabs{grid-column:1 / -1;grid-row:1;margin-right:3.25rem}.cp-viewer--full .nl-root .interactive-side,.cp-viewer--full .nl-root .interactive-canvas{grid-row:2}.cp-viewer--full .interactive.nl-root>.interactive-hint{grid-row:3}}.nl-root{--nl-applied: #ea580c;--nl-friction: 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var(--accent));outline-offset:2px}.nl-ground--space{fill:var(--bg)}.nl-ground--ice{fill:#cffafe}.nl-ground--wood{fill:#e7c9a0}.nl-ground--carpet{fill:#c4a59a}.nl-ground--rail{fill:var(--bg-soft, var(--bg))}[data-theme=dark] .nl-ground--ice{fill:#164e63}[data-theme=dark] .nl-ground--wood{fill:#6b4f2e}[data-theme=dark] 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