.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.page-header-content{flex:1;min-width:0}.page-header-actions{display:flex;gap:.75rem;flex-shrink:0}@media(max-width:640px){.page-header{flex-direction:column;align-items:stretch;gap:1rem}.page-header-actions{flex-direction:column;width:100%}.page-header-actions .btn{width:100%;justify-content:center}}