.u-back-button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:none;padding:0;margin:0;font:inherit;color:inherit;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:var(--bg-surface);border:1px solid var(--border-default);color:var(--text-primary);flex:none;transition:background .2s cubic-bezier(.2,.7,.2,1),border-color .2s cubic-bezier(.2,.7,.2,1),transform .12s cubic-bezier(.2,.7,.2,1)}.u-back-button:hover{background:var(--bg-canvas);border-color:var(--border-strong)}.u-back-button:active{transform:scale(.96)}.u-back-button:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(18,122,98,.28)}