/* Layout primitives for incremental UI refactor. */

.app-shell {
  display: block;
}

.page {
  display: grid;
  gap: var(--s3);
}

.page__header {
  display: grid;
  gap: var(--s1);
  margin-bottom: var(--s2);
}

.page__title-group {
  display: grid;
  gap: 6px;
}

.page-kicker {
  display: inline-flex;
  width: fit-content;
  gap: 6px;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-secondary);
  font-size: var(--fs-caption);
  font-weight: 600;
  padding: 4px 10px;
}

.page-title {
  margin: 0;
  font-size: var(--fs-h1);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-subtitle {
  margin: 0;
  color: var(--text-secondary);
  max-width: 72ch;
}

.section-shell {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-1);
  padding: var(--s3);
}

.section-shell--elevated {
  background: var(--surface-elevated);
  box-shadow: var(--shadow-sm);
}

.hero-shell {
  border-radius: calc(var(--radius) + 6px);
  background: var(--grad-soft);
  border: 1px solid var(--border);
  border: 1px solid color-mix(in oklab, var(--brand-1) 20%, var(--border));
  padding: var(--s4);
  display: grid;
  gap: var(--s2);
}

.hero-shell__content {
  display: grid;
  gap: var(--s2);
}

.hero-shell__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
}

.content-grid {
  display: grid;
  gap: var(--s3);
}

.content-grid--auto {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

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

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

.page__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
}

.hub-split {
  display: grid;
  gap: var(--s3);
  grid-template-columns: 2fr 1fr;
  align-items: stretch;
}

.hub-side-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-1);
  box-shadow: var(--shadow-sm);
  padding: var(--s2);
  display: grid;
  gap: 8px;
  align-content: start;
  height: 100%;
}

.hub-side-panel__title {
  margin: 0;
  font-size: 1.55rem;
}

.hub-side-panel__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.hub-side-panel__item a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  color: var(--text-primary);
  background: var(--surface-1);
}

.hub-side-panel__item a:hover {
  background: var(--surface-2);
}

@media (max-width: 1024px) {
  .content-grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 768px) {
  .page-title {
    font-size: 28px;
  }

  .hero-shell {
    padding: var(--s3);
  }

  .content-grid--2,
  .content-grid--3 {
    grid-template-columns: 1fr;
  }
}