/* A3 — Framed Headers, matched to Paper surface and header values. */
body:has(> .page) .panel { background: transparent; border: 1px solid #7e8b9d; border-radius: 8px; box-shadow: none; }
body:has(> .page) :is(.panel-head,.breadth-head,.newsletter-chart-meta,.index-top) { background: #52678220; border-bottom: 1px solid #7e8b9d80; }
body:has(> .page) .panel-head { min-height: 48px; }
body:has(> .page) .panel > .panel-head:first-child { border-radius: 7px 7px 0 0; }
body:has(> .page) .breadth-head { margin: -12px -16px 0; padding: 12px 16px; min-height: 48px; border-radius: 7px 7px 0 0; }
body:has(> .page) .newsletter-chart-meta { margin: -12px -16px 0; padding: 12px 16px; min-height: 48px; align-items: center; border-radius: 7px 7px 0 0; }
body:has(> .page) .index-top { margin: -6px -6px 6px; padding: 6px; height: 32px; border-radius: 7px 7px 0 0; }
html[data-theme="dark"] body:has(> .page) :is(.panel-head,.breadth-head,.newsletter-chart-meta,.index-top) { background: #a0b3cb20; }