/* ============================================
   Layout System
   ============================================ */

/* ── Container ── */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container--wide {
  max-width: 90%;
}

.container--narrow {
  max-width: 800px;
}

/* ── Section ── */

.section {
  padding-block: var(--space-20);
}

.section--sm {
  padding-block: var(--space-12);
}

.section--lg {
  padding-block: var(--space-24);
}

.section--cream {
  background-color: var(--bg-page);
}

.section--gray {
  background-color: var(--bg-dashboard);
}

.section--dark {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

/* ── Grid ── */

.grid {
  display: grid;
  gap: var(--space-6);
}

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

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

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid--auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* ── Flex helpers ── */

.flex {
  display: flex;
}

.flex--center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex--between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex--col {
  display: flex;
  flex-direction: column;
}

.flex--wrap {
  flex-wrap: wrap;
}

.flex--gap-sm {
  gap: var(--space-2);
}

.flex--gap {
  gap: var(--space-4);
}

.flex--gap-lg {
  gap: var(--space-6);
}

/* ── Page Layout: Public (Header → Main → Footer) ── */

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page__main {
  flex: 1;
}

/* ── Dashboard Layout: Sidebar + Content ── */

.dashboard {
  display: flex;
  min-height: 100vh;
  background-color: var(--bg-dashboard);
  margin-top: calc(-1 * var(--header-height, 80px));
}

.dashboard__sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  border-right: var(--border-default);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  z-index: var(--z-sticky);
}

.dashboard__content {
  flex: 1;
  padding: var(--space-8);
  overflow-y: auto;
  min-width: 0;
}

/* ── Two Column (content + sidebar) ── */

.layout-split {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-10);
  align-items: start;
}

/* ── Responsive ── */

@media (max-width: 1200px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .layout-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .dashboard__sidebar {
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-100%);
  }

  .dashboard__sidebar.is-open {
    transform: translateX(0);
  }

  .dashboard__content {
    padding: var(--space-4);
  }
}

@media (max-width: 768px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .section {
    padding-block: var(--space-12);
  }

  .section--sm {
    padding-block: var(--space-8);
  }

  .section--lg {
    padding-block: var(--space-16);
  }

  .container {
    padding-inline: var(--space-4);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: var(--space-3);
  }

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