.toolchain-root .tc-seam{top:0;bottom:0;left:clamp(var(--seam-edge,4.5px), var(--seam-cut,70%), calc(100% - var(--seam-edge,4.5px)));z-index:3;cursor:ew-resize;touch-action:none;width:18px;position:absolute;transform:translate(-50%)}.toolchain-root .tc-seam:before{content:"";width:calc(var(--seam-gap,5px) + 2px);border-left:1px solid var(--seam-ink-l,#ffffff73);border-right:1px solid var(--seam-ink-r,#fff9);position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%)}.toolchain-root .tc-seam:after{content:"";width:calc(var(--seam-gap,5px) + 6px);background:var(--seam-grab,#867e8e);opacity:.8;border-radius:6px;height:26px;transition:opacity .16s,height .16s,box-shadow .16s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.toolchain-root .tc-seam:hover:after,.toolchain-root .tc-seam:focus-visible:after{opacity:1;height:34px}.toolchain-root .tc-seam:focus-visible{outline:none}.toolchain-root .tc-seam:focus-visible:after{box-shadow:0 0 0 2px var(--seam-ring,#9db9ffd9)}@media (prefers-reduced-motion:reduce){.toolchain-root .tc-seam:after{transition:none}}