.btn-loading{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:.75rem 1.5rem;border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);font-family:var(--font-primary);position:relative}.btn-loading:disabled{cursor:not-allowed;opacity:.7}.btn-primary{background:var(--primary-blue);color:var(--white)}.btn-primary:hover:not(:disabled){background:var(--primary-blue-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--white);color:var(--gray-700);border:1.5px solid var(--gray-300)}.btn-secondary:hover:not(:disabled){background:var(--gray-50);border-color:var(--gray-400)}.btn-danger{background:#fee2e2;color:#dc2626;border:1.5px solid #fca5a5}.btn-danger:hover:not(:disabled){background:#fca5a5;border-color:#dc2626}.btn-spinner{display:inline-flex;align-items:center;animation:spin .8s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.btn-text-loading{opacity:.8}