/* Rijkshuisstijl design tokens (already themed) + Utrecht/RHC component CSS.
   ponytail: we import the published CSS instead of hand-writing styles — the
   whole point is that the design system gives us Rijkshuisstijl for free. */
@import '@rijkshuisstijl-community/design-tokens/dist/index.css';        /* .rhc-theme tokens */
@import '@rijkshuisstijl-community/design-tokens/dist/lintblauw/index.css'; /* .lintblauw palette */
@import '@rijkshuisstijl-community/components-css/dist/index.css';        /* component classes */

html, body { margin: 0; min-height: 100%; }
/* Rijkshuisstijl pages sit on white; cards/panels carry the subtle grey. */
body { background: var(--rhc-color-wit); color: var(--rhc-color-foreground-default); }

/* App theme layer: a few app-specific measures RHC has no token for (content/form
   widths), defined ONCE here and mapped onto RHC where possible. Components reference
   these tokens instead of raw values. */
:root {
  --app-content-max: 67rem;                              /* readable page column */
  --app-form-max: 32rem;                                 /* default wizard form width */
  --app-form-narrow: 32rem;                              /* page-shell narrow variant */
  --app-skip-link-offset: -999px;                        /* off-screen skip link */
  --app-sidebar-width: 15rem;                            /* overview side navigation */
}

/* App utility classes: centralise the repeated inline layout idioms so components stay
   token-based and free of raw values. */
.app-form { max-inline-size: var(--app-form-max); }
.app-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--rhc-space-max-md);
  align-items: center;
}
.app-button-row--spaced { margin-block-start: var(--rhc-space-max-xl); }
/* vertical rhythm between stacked blocks */
.app-stack > * + * { margin-block-start: var(--rhc-space-max-xl); }
.app-section { margin-block-start: var(--rhc-space-max-2xl); }
.app-text-subtle { color: var(--rhc-color-foreground-subtle); }
/* responsive card grid: cards wrap and stretch, gap from the spacing scale */
.app-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--rhc-space-max-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Overview ("Mijn omgeving") layout: side navigation + main column. Collapses to
   a single column on narrow viewports (nav stacks above the content). */
.app-overview {
  display: grid;
  grid-template-columns: var(--app-sidebar-width) minmax(0, 1fr);
  gap: var(--rhc-space-max-3xl);
  align-items: start;
}
@media (max-width: 48rem) {
  .app-overview { grid-template-columns: 1fr; }
}

/* Rijkshuisstijl form panel: the subtle-grey block a form sits in (see the
   rijksoverheid.nl contact-form reference). */
.app-form-panel {
  background: var(--rhc-color-cool-grey-100);
  border-radius: var(--rhc-border-radius-md);
  padding: var(--rhc-space-max-2xl);
}
/* Vertical rhythm between fields projected into a form panel. Global (not
   component-scoped) so it reaches projected content past view encapsulation. */
.app-form-panel > * + * { margin-block-start: var(--rhc-space-max-xl); }

/* Bordered info box (outline, no fill) — e.g. a "Vragen?" contact block. */
.app-info-box {
  border: var(--rhc-border-width-sm) solid var(--rhc-color-border-default);
  border-radius: var(--rhc-border-radius-md);
  padding: var(--rhc-space-max-xl);
}

/* Route transitions (withViewTransitions): cross-fade the routed CONTENT only.
   The chrome gets its own stable view-transition-name so it's lifted out of the
   `root` snapshot and stays put while the content fades. */
app-site-header { view-transition-name: site-header; }
app-site-footer { view-transition-name: site-footer; }

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 180ms;
  animation-timing-function: ease;
}

/* List-item enter/leave for lists that add/remove at runtime (aanvraag cards, upload
   rows). Used via Angular's native `animate.enter`/`animate.leave` — no @angular/animations. */
@keyframes app-item-enter { from { opacity: 0; transform: translateY(-0.5rem); } to { opacity: 1; transform: none; } }
@keyframes app-item-leave {
  from { opacity: 1; max-block-size: 50rem; }
  to   { opacity: 0; transform: translateY(-0.25rem); max-block-size: 0; margin-block: 0; padding-block: 0; }
}
.app-item-enter { animation: app-item-enter 220ms ease both; }
.app-item-leave {
  display: block;   /* collapse needs block formatting (host is inline/flex by default) */
  overflow: hidden;
  pointer-events: none;
  /* ponytail: 50rem max-height hack; if an item is taller the collapse eases slightly late — measure height in JS then. */
  animation: app-item-leave 260ms ease both;
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) { animation: none !important; }
  /* No animation → Angular removes the leaving node immediately (instant, no motion). */
  .app-item-enter, .app-item-leave { animation: none; }
}