.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.page-header__text{display:flex;flex-direction:column;gap:var(--space-1)}.page-header__title{margin:0;font-size:1.75rem;font-weight:500;font-family:var(--font-serif);line-height:1.2;color:var(--color-text)}.page-header__subtitle{margin:0;font-size:.875rem;color:var(--color-text-secondary);line-height:1.5}.page-header__action{flex-shrink:0;margin-left:var(--space-4)}