/* ---------- General Reset ---------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.5;
  background: #fafafa;

  /* full-height column layout */
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- Main Scrollable Area ---------- */
main.content-area {
  flex: 1;
  display: flex;
  overflow: hidden; /* prevent overflow under banners */
  min-height: 0; /* critical for mobile flexbox scrolling */
}

.content-area.with-sidebar {
  flex-direction: row;
}

.content-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0; /* critical so children can scroll */
  overflow: auto;
  -webkit-overflow-scrolling: touch; /* smooth scrolling iOS */
}

/* ---------- Page Section (for monthly/library PDFs) ---------- */
.page-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}