/**
 * @file layout.css
 *
 * Responsive layout:
 *
 * > 1560px:  [utilities 40px] [page-inner 1520px] [achtergrondvlak variable]
 * 768-1560:  [utilities 40px] [page-inner shrinks, content centered]
 * < 768px:   single column, utilities horizontal between content & footer
 *
 * Regions fill full page-inner width. Inner elements centered:
 *   Header region > nav bar (1248px centered)
 *   Hero region   > full width
 *   Content region > content block (1024px centered)
 *   Footer region  > footer content (1248px centered)
 *
 * Content padding when shrinking: 40px left/right
 */

:root {
  --vg-page-max: 1520px;
  --vg-nav-max: 1248px;
  --vg-content-max: 1024px;
  --vg-footer-max: 1248px;
  --vg-utility-bar-width: 40px;
  --vg-side-pad: 40px;
  --vg-header-pad-top: 84px;
  --vg-header-pad-bottom: 48px;
  --vg-content-pad-top: 84px;
  --vg-content-pad-bottom: 48px;
  --vg-footer-pad-top: 36px;
  --vg-footer-pad-bottom: 48px;
}

/* ============================================================
   BASE / MOBILE (< 768px): single column
   ============================================================ */

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--vg-bg-2);
}

.page-inner {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  background-color: var(--vg-color-surface);
}

/* Header region: full width, nav centered inside */
.region-header {
  width: 100%;
  padding: var(--vg-space-1) var(--vg-h-16);
  background-color: var(--vg-color-surface);
  position: sticky;
  top: 0;
  z-index: 100;
}

.region-header .site-header {
  max-width: var(--vg-nav-max);
  margin: 0 auto;
}

/* Hero: full width */
.region-hero {
  width: 100%;
}

/* Main content: full width, content centered inside */
.main-content {
  flex: 1;
  width: 100%;
  padding: var(--vg-space-3) var(--vg-h-16) var(--vg-space-3);
}

.region-content {
  max-width: var(--vg-content-max);
  margin: 0 auto;
  background-color: var(--vg-color-surface);
  margin-bottom: var(--vg-space-4);
}

.region-sidebar {
  max-width: var(--vg-content-max);
  margin: 0 auto;
  margin-bottom: var(--vg-space-4);
}

.content-with-sidebar {
  max-width: var(--vg-content-max);
  margin: 0 auto;
}

.content-with-sidebar .region-content,
.content-with-sidebar .region-sidebar {
  margin: 0;
  max-width: none;
}

/* Utility bar: horizontal, between content and footer on mobile */
.region-utility-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--vg-space-1) var(--vg-h-16);
  background-color: var(--vg-bg-2);
  color: var(--vg-color-text);
}

/* Footer: full width, content centered inside */
.region-footer-top {
  width: 100%;
  padding: var(--vg-footer-pad-top) var(--vg-h-16) var(--vg-space-1);
}

.region-footer-top > * {
  max-width: var(--vg-footer-max);
  margin-left: auto;
  margin-right: auto;
}

.region-footer-bottom {
  width: 100%;
  padding: var(--vg-space-1) var(--vg-h-16) var(--vg-footer-pad-bottom);
  font-size: 0.7rem;
  background-color: var(--vg-bg-8);
  color: var(--vg-bg-2);
}

.region-footer-bottom > * {
  max-width: var(--vg-footer-max);
  margin-left: auto;
  margin-right: auto;
}

.region-footer-bottom a {
  color: var(--vg-bg-2);
}

/* ============================================================
   TABLET/DESKTOP (>= 768px): 2 columns
   Utilities sidebar (40px) + page-inner (rest)
   ============================================================ */
@media (min-width: 768px) {

  /* Utility bar: fixed vertical sidebar left */
  .region-utility-bar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--vg-utility-bar-width);
    flex-direction: column;
    justify-content: space-between;
    padding: var(--vg-space-2) var(--vg-h-8);
    z-index: 200;
  }

  /* Push page-inner right */
  .page-inner {
    margin-left: var(--vg-utility-bar-width);
    max-width: var(--vg-page-max);
  }

  /* Side padding when content needs to shrink */
  .region-header {
    padding: var(--vg-header-pad-top) var(--vg-side-pad) var(--vg-header-pad-bottom);
  }

  .main-content {
    padding: var(--vg-content-pad-top) var(--vg-side-pad) var(--vg-content-pad-bottom);
  }

  .region-footer-top {
    padding-left: var(--vg-side-pad);
    padding-right: var(--vg-side-pad);
  }

  .region-footer-bottom {
    padding-left: var(--vg-side-pad);
    padding-right: var(--vg-side-pad);
  }

  /* Content + sidebar grid */
  .content-with-sidebar {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--vg-h-64);
  }
}

/* ============================================================
   WIDE DESKTOP (>= 1560px): 3 columns
   Achtergrondvlak appears on the right
   ============================================================ */
@media (min-width: 1560px) {
  .page-inner::after {
    content: '';
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: calc(100vw - var(--vg-utility-bar-width) - var(--vg-page-max));
    background-color: var(--vg-bg-2);
    z-index: -1;
    pointer-events: none;
  }
}

/* ============================================================
   Admin toolbar compensation
   ============================================================ */
.page {
  margin-left: var(--drupal-displace-offset-left, 0px);
  margin-top: var(--drupal-displace-offset-top, 0px);
}

.region-utility-bar {
  top: var(--drupal-displace-offset-top, 0px);
  left: var(--drupal-displace-offset-left, 0px);
}

.contextual {
  display: none !important;
}