.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);border-radius:var(--radius-full);font-weight:800;transition:all .15s;border:1px solid transparent;font-family:var(--font-body)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-sm{padding:var(--space-2) var(--space-3);font-size:.875rem}.btn-md{padding:0 var(--space-5);height:46px;font-size:.95rem}.btn-lg{padding:0 var(--space-6);height:56px;font-size:1.05rem}.btn-full{width:100%}.btn-primary{background:var(--brand-yellow);color:var(--primary)}.btn-primary:hover:not(:disabled){background:var(--brand-yellow-hover)}.btn-secondary{background:var(--surface);color:var(--primary);border-color:var(--border-strong)}.btn-secondary:hover:not(:disabled){background:var(--surface-muted);border-color:var(--muted-light)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-ghost{background:transparent;color:var(--muted);border-radius:var(--radius-md);font-weight:700}.btn-ghost:hover:not(:disabled){background:var(--surface-muted);color:var(--primary)}.spinner{width:1rem;height:1rem;border:2px solid hsla(0,0%,100%,.3);border-radius:50%;border-top-color:inherit;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}