* {
  box-sizing: border-box;
}

/* Autor-Styles wie .btn/.modal-backdrop (display: flex/inline-flex) gewinnen
   in der Kaskade sonst immer gegen die native [hidden]-Regel des Browsers,
   egal wie spezifisch die Regel ist -> hidden-Toggle per JS haette sichtbar
   keinen Effekt. Deshalb hier explizit erzwingen. */
[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(var(--nav-height) + var(--space-4));
}

body.no-bottom-nav {
  padding-bottom: var(--space-4);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-primary-dark);
  text-decoration: none;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  margin: 0 0 var(--space-3);
  line-height: 1.2;
}

p {
  margin: 0 0 var(--space-3);
}

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: 1rem;
  color: inherit;
}

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-4);
}

.page-narrow {
  max-width: 560px;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .grid-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }
}

@media (min-width: 960px) {
  .grid-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.empty-state {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  color: var(--color-text-muted);
}

.spinner {
  display: inline-block;
  width: 22px;
  height: 22px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}