.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-warning{background:var(--warning);color:#fff}.btn-warning:hover:not(:disabled){background:#b45309}.btn-info{background:var(--info);color:#fff}.btn-info:hover:not(:disabled){background:#1d4ed8}.btn-soft-danger{background:var(--danger-bg);color:var(--danger-fg);border:1px solid var(--danger-bd)}.btn-soft-danger:hover:not(:disabled){background:var(--danger-bd)}.btn-soft-info{background:var(--info-bg);color:var(--info-fg);border:1px solid var(--info-bd)}.btn-soft-warning{background:var(--warning-bg);color:var(--warning-fg);border:1px solid var(--warning-bd)}.btn-icon{display:inline-flex;align-items:center;gap:6px}.btn-icon-only{padding:7px;line-height:0}.spin{animation:ui-spin .8s linear infinite}@keyframes ui-spin{to{transform:rotate(360deg)}}.ui-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:300;background:var(--overlay);animation:ui-fade var(--t) 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