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.ost-label{color:var(--brand)}.ost-step:hover:not(:disabled) .ost-node{transform:translateY(-2px) scale(1.03)}.ost-detail{border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;background:linear-gradient(180deg,rgb(232 145 45 / 6%),transparent 48%),var(--surface);animation:ost-detail-in .28s ease}@keyframes ost-detail-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.ost-detail-title{margin:0;font-size:1.25rem;color:var(--steel)}.ost-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.ost-field-full{grid-column:1 / -1}.ost-tip{margin:12px 0 0;font-size:.9rem;color:var(--muted)}.ost-actions{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}@media(max-width:700px){.ost-track{grid-template-columns:1fr 1fr;gap:20px 8px}.ost-connector{display:none}.ost-node{width:64px;height:64px}.ost-fields{grid-template-columns:1fr}}.toast-stack{position:fixed;top:1rem;right:1rem;z-index:300;display:flex;flex-direction:column;gap:.6rem;width:min(360px,calc(100vw - 2rem));pointer-events:none}.toast{pointer-events:auto;display:grid;grid-template-columns:4px 1fr auto;align-items:start;gap:.75rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 32px #14182024;padding:.85rem .75rem .85rem 0;animation:toast-in .22s ease}.toast-accent{align-self:stretch;border-radius:0 2px 2px 0}.toast-success .toast-accent{background:var(--ok)}.toast-error .toast-accent{background:var(--danger)}.toast-info .toast-accent{background:var(--brand)}.toast-body{min-width:0;padding-top:.1rem}.toast-title{display:block;font-size:.92rem;color:var(--steel);font-weight:700}.toast-msg{margin:.25rem 0 0;font-size:.82rem;color:var(--muted);line-height:1.4}.toast-close{border:none;background:transparent;color:var(--muted);font-size:1.25rem;line-height:1;cursor:pointer;padding:0 .35rem}.toast-close:hover{color:var(--ink)}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes pop-in{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}@keyframes toast-in{0%{opacity:0;transform:translate(12px)}to{opacity:1;transform:none}}