.tool-toast-stack{position:fixed;right:24px;bottom:24px;z-index:9999;display:grid;gap:12px;pointer-events:none}
.tool-toast{min-width:240px;max-width:min(420px,calc(100vw - 32px));padding:14px 18px;border-radius:18px;background:rgba(19,34,56,0.94);color:#fff;box-shadow:0 22px 44px rgba(17,33,54,0.22);opacity:0;transform:translateY(10px);transition:opacity 0.2s ease,transform 0.2s ease;font-size:14px;line-height:1.7;white-space:pre-wrap;word-break:break-word}
.tool-toast.is-visible{opacity:1;transform:translateY(0)}
.tool-toast--success{background:linear-gradient(135deg,#1f8b55,#39b980)}
.tool-toast--warn{background:linear-gradient(135deg,#ef7f5e,#f4a261)}
@media (max-width:767px){.tool-toast-stack{right:14px;left:14px;bottom:14px}.tool-toast{min-width:0;max-width:none;padding:13px 16px;font-size:13px}}