.imageViewport{position:relative;width:100%;height:min(52vh,460px);overflow:hidden;border-radius:5px;background:#111;touch-action:none;user-select:none}.imageViewport canvas{position:absolute;top:0;left:0;width:auto;max-width:none;max-height:none;transform-origin:0 0;cursor:crosshair}.zoomTools{display:flex;justify-content:center;gap:8px;margin-top:10px}.zoomTools button{min-width:46px;min-height:44px;padding:0 12px;border-radius:5px;background:#e9f3fb;color:#087ee6;font-size:20px;font-weight:700}.zoomTools #zoomReset{min-width:72px;font-size:13px}