.btn{justify-content:center;align-items:center;gap:var(--space-2);height:var(--control-height);padding:0 var(--space-4);border:var(--border-width-default) solid transparent;border-radius:var(--radius-lg);font-family:inherit;font-size:var(--control-font-size);font-weight:var(--control-font-weight);line-height:var(--table-line-height);cursor:pointer;transition:background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);white-space:nowrap;flex-shrink:0;display:inline-flex}.btn:focus-visible{outline:var(--border-width-strong) solid var(--color-focus-ring);outline-offset:var(--space-0-5)}.btn>svg{width:var(--icon-size-control);height:var(--icon-size-control);flex-shrink:0}.btn:disabled{opacity:.5;cursor:not-allowed}.btn[aria-busy=true]{cursor:wait}.btn--sm{padding-inline:var(--space-3)}.btn--lg{height:var(--control-height-lg);padding-inline:var(--space-5)}.btn--icon{width:var(--control-height);padding:0}.btn--primary{background:var(--color-action);color:var(--color-action-fg)}.btn--primary:not(:disabled):hover{background:var(--color-action-hover)}.btn--primary:not(:disabled):active{background:var(--color-action-active)}.btn--primary>svg{color:inherit;stroke:currentColor}.btn--secondary{background:var(--color-surface);color:var(--color-text-muted);border-color:var(--color-control-border)}.btn--secondary:not(:disabled):hover{background:var(--color-bg-subtle);color:var(--color-text);border-color:var(--color-border-strong)}.btn--secondary:not(:disabled):active{background:var(--color-border);color:var(--color-text)}.btn--ghost{color:var(--color-text-muted);background:0 0}.btn--ghost:not(:disabled):hover{background:var(--color-bg-subtle);color:var(--color-text)}.btn--ghost:not(:disabled):active{background:var(--color-border);color:var(--color-text)}.btn--danger{background:var(--color-error-solid);color:var(--color-strong-fg)}.btn--danger:not(:disabled):hover{background:color-mix(in srgb, var(--color-error-solid) 88%, var(--brand-primary-dark))}.btn--danger:not(:disabled):active{background:color-mix(in srgb, var(--color-error-solid) 76%, var(--brand-primary-dark))}.btn--warning{background:var(--color-warning-solid);color:var(--color-strong-fg)}.btn--warning:not(:disabled):hover{background:color-mix(in srgb, var(--color-warning-solid) 88%, var(--brand-primary-dark))}.btn--warning:not(:disabled):active{background:color-mix(in srgb, var(--color-warning-solid) 76%, var(--brand-primary-dark))}.btn--success{background:var(--color-success-solid);color:var(--color-strong-fg)}.btn--success:not(:disabled):hover{background:color-mix(in srgb, var(--color-success-solid) 88%, var(--brand-primary-dark))}.btn--success:not(:disabled):active{background:color-mix(in srgb, var(--color-success-solid) 76%, var(--brand-primary-dark))}.btn--info{background:var(--color-info-solid);color:var(--color-strong-fg)}.btn--info:not(:disabled):hover{background:color-mix(in srgb, var(--color-info-solid) 88%, var(--brand-primary-dark))}.btn--info:not(:disabled):active{background:color-mix(in srgb, var(--color-info-solid) 76%, var(--brand-primary-dark))}.btn__spinner{width:var(--icon-size-control);height:var(--icon-size-control);border:var(--border-width-strong) solid currentColor;border-radius:var(--radius-full);animation:btn-spin var(--duration-spinner) var(--ease-linear) infinite;border-top-color:#0000;flex-shrink:0}.btn__refresh-icon--spinning{animation:btn-spin var(--duration-spinner) var(--ease-linear) infinite}.btn>.lucide{width:var(--icon-size-control);height:var(--icon-size-control);flex-shrink:0}@media (prefers-reduced-motion:reduce){.btn{transition:none}.btn__spinner,.btn__refresh-icon--spinning{animation:none}}@keyframes btn-spin{to{transform:rotate(360deg)}}