.mb-root{--c-matematik: var(--c-matematik, var(--accent))}.mb-canvas{min-height:400px}.mb-stage{display:flex;align-items:center;justify-content:center;width:100%;height:100%;padding:.5rem}.mb-canvas-el{width:100%;max-width:600px;height:auto;aspect-ratio:4 / 3;border-radius:8px;border:1px solid var(--line);cursor:crosshair;image-rendering:pixelated}.mb-actions{display:flex;gap:.5rem;align-self:stretch;justify-content:flex-end}.mb-action-btn{padding:.5rem .95rem;border-radius:8px;border:1px solid var(--line);background:var(--bg-card);color:var(--ink);font:inherit;font-size:.88rem;cursor:pointer;transition:background .15s ease,border-color .15s ease}.mb-action-btn:hover{background:var(--bg);border-color:var(--c-matematik, var(--accent))}