/* =========================================================
   WRUF Layout
   ========================================================= */

.page-shell {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 2rem;
  align-items: start;
}

.page-main {
  min-width: 0;
}

.stat-sidebar {
  width: 100%;
  box-sizing: border-box;
  height: fit-content;
  position: sticky;
  top: 90px;
  padding: 1.5rem;
  background: var(--wruf-panel);
  border: 6px solid var(--wruf-orange);
  border-radius: 16px;
}

.stat-sidebar h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--wruf-blue);
  line-height: 1.2;
}

.sidebar-note {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--wruf-white);
  border: 1px solid var(--wruf-border);
  border-radius: 12px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.sidebar-note strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--wruf-blue);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sidebar-note p {
  margin: 0;
}

.section-stack {
  display: grid;
  gap: 2rem;
}

.two-column-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.three-column-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

@media (max-width: 1100px) {
  .three-column-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .page-shell {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  .stat-sidebar {
    position: static;
  }

  .two-column-grid,
  .three-column-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================================
   WRUF V1 Framework Compatibility — CHG-0007
   Legacy page-sidebar support
   ========================================================= */

.page-sidebar {
  width: 100%;
  box-sizing: border-box;
  height: fit-content;
  position: sticky;
  top: 90px;
  padding: 1.5rem;
  background: var(--wruf-panel);
  border: 6px solid var(--wruf-orange);
  border-radius: 16px;
  overflow: visible;
}

.page-sidebar h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--wruf-blue);
  line-height: 1.2;
}

.page-sidebar > p {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .page-sidebar {
    position: static;
  }
}