.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;border:none;border-radius:var(--radius);cursor:pointer;transition:all var(--transition);text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-icon{display:flex;align-items:center}.btn-small{padding:.5rem 1rem;font-size:.875rem}.btn-medium{padding:.75rem 1.5rem;font-size:1rem}.btn-large{padding:1rem 2rem;font-size:1.125rem}.btn-primary{background:var(--gradient-primary);color:var(--white);box-shadow:0 4px 14px #1e40af4d}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #1e40af66}.btn-secondary{background:var(--gradient-secondary);color:var(--white);box-shadow:0 4px 14px #0596694d}.btn-secondary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #05966966}.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}.btn-outline:hover:not(:disabled){background:var(--primary);color:var(--white)}.btn-white{background:var(--white);color:var(--primary);box-shadow:var(--shadow-md)}.btn-white:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-ghost{background:transparent;color:var(--gray-700)}.btn-ghost:hover:not(:disabled){background:var(--gray-100)}.btn-full{width:100%}.btn:active:not(:disabled){transform:translateY(0)}