/*
  IJMBE Website V2 layout utilities.
  Mobile-first containers, sections, grids, and dashboard/page shells.
*/

.ijmbe-page {
  min-height: 100vh;
  background: var(--ijmbe-color-surface);
}

/* Containers: match Figma mobile/tablet/desktop margins. */
.ijmbe-container {
  width: min(100% - calc(var(--ijmbe-grid-mobile-margin) * 2), var(--ijmbe-container-wide));
  margin-inline: auto;
}

.ijmbe-container--narrow {
  max-width: var(--ijmbe-container-narrow);
}

.ijmbe-container--wide {
  max-width: var(--ijmbe-container-wide);
}

/* Sections: reusable vertical rhythm for page bands. */
.ijmbe-section {
  padding-block: var(--ijmbe-space-8);
}

.ijmbe-section--compact {
  padding-block: var(--ijmbe-space-6);
}

.ijmbe-section--spacious {
  padding-block: var(--ijmbe-space-9);
}

.ijmbe-section--soft {
  background: var(--ijmbe-color-surface-soft);
}

.ijmbe-section--brand {
  color: var(--ijmbe-color-on-brand);
  background: var(--ijmbe-color-brand);
}

/* Composition helpers: stack, cluster, and grid primitives. */
.ijmbe-stack {
  display: flex;
  flex-direction: column;
  gap: var(--ijmbe-stack-gap, var(--ijmbe-space-4));
}

.ijmbe-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--ijmbe-cluster-gap, var(--ijmbe-space-3));
}

.ijmbe-grid {
  display: grid;
  grid-template-columns: repeat(var(--ijmbe-grid-mobile-columns), minmax(0, 1fr));
  gap: var(--ijmbe-grid-mobile-gutter);
}

.ijmbe-grid--cards {
  grid-template-columns: 1fr;
  gap: var(--ijmbe-space-5);
}

.ijmbe-grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--ijmbe-card-min)), 1fr));
}

.ijmbe-two-column {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ijmbe-space-6);
}

/* Page headers and heroes: opt-in layouts for public marketing pages. */
.ijmbe-page-header {
  padding-block: var(--ijmbe-space-8);
  background: var(--ijmbe-gradient-bg-01);
}

.ijmbe-page-header__inner {
  display: grid;
  gap: var(--ijmbe-space-4);
}

.ijmbe-hero {
  display: grid;
  align-items: center;
  gap: var(--ijmbe-space-6);
  min-height: var(--ijmbe-hero-min-height);
  padding-block: var(--ijmbe-space-8);
}

.ijmbe-hero__content {
  max-width: var(--ijmbe-hero-content-max);
}

.ijmbe-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ijmbe-space-3);
  margin-top: var(--ijmbe-space-6);
}

.ijmbe-sidebar-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ijmbe-space-6);
}

/* Dashboard shell: foundation for future student/admin surfaces. */
.ijmbe-dashboard-shell {
  display: grid;
  min-height: 100vh;
  background: var(--ijmbe-color-surface-soft);
}

.ijmbe-dashboard-main {
  min-width: var(--ijmbe-space-0);
  padding: var(--ijmbe-space-4);
}

.ijmbe-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: var(--ijmbe-border-width) solid var(--ijmbe-color-border);
  border-radius: var(--ijmbe-radius-md);
  background: var(--ijmbe-color-surface);
}

/* Accessibility utility: visually hide content while keeping it available to assistive tech. */
.ijmbe-visually-hidden {
  position: absolute !important;
  width: var(--ijmbe-visually-hidden-size) !important;
  height: var(--ijmbe-visually-hidden-size) !important;
  padding: var(--ijmbe-space-0) !important;
  margin: var(--ijmbe-visually-hidden-offset) !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: var(--ijmbe-space-0) !important;
}

/* Colour-scheme hook: layout surfaces remain light-theme until dark tokens exist. */
@media (prefers-color-scheme: dark) {
  .ijmbe-page,
  .ijmbe-dashboard-shell,
  .ijmbe-table-wrap {
    color-scheme: light;
  }
}

/* Tablet layout refinements. */
@media (min-width: 768px) {
  .ijmbe-container {
    width: min(100% - calc(var(--ijmbe-grid-tablet-margin) * 2), var(--ijmbe-container-wide));
  }

  .ijmbe-section {
    padding-block: var(--ijmbe-space-9);
  }

  .ijmbe-grid {
    grid-template-columns: repeat(var(--ijmbe-grid-tablet-columns), minmax(0, 1fr));
    gap: var(--ijmbe-grid-tablet-gutter);
  }

  .ijmbe-grid--cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ijmbe-two-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--ijmbe-space-7);
  }
}

/* Desktop layout refinements. */
@media (min-width: 1024px) {
  .ijmbe-container {
    width: min(100% - calc(var(--ijmbe-grid-desktop-margin) * 2), var(--ijmbe-container-wide));
  }

  .ijmbe-section {
    padding-block: var(--ijmbe-space-10);
  }

  .ijmbe-grid {
    grid-template-columns: repeat(var(--ijmbe-grid-desktop-columns), minmax(0, 1fr));
    gap: var(--ijmbe-grid-desktop-gutter);
  }

  .ijmbe-grid--cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ijmbe-sidebar-layout {
    grid-template-columns: minmax(0, 1fr) var(--ijmbe-sidebar-width);
    gap: var(--ijmbe-space-7);
  }

  .ijmbe-dashboard-shell {
    grid-template-columns: var(--ijmbe-dashboard-sidebar-width) minmax(0, 1fr);
  }

  .ijmbe-dashboard-main {
    padding: var(--ijmbe-space-6);
  }
}