* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #f5f5f5;
  color: #1a1a1a;
  padding: 2rem 1rem;
}

.container { max-width: 1000px; margin: 0 auto; }
.container.narrow { max-width: 420px; }

nav { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
nav .spacer { flex: 1; }

input, textarea, select {
  width: 100%;
  padding: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 1rem;
}
label { font-weight: 600; display: block; margin-top: 0.5rem; }
label.checkbox { font-weight: normal; display: flex; align-items: center; gap: 0.5rem; }
label.checkbox input { width: auto; }

button { padding: 0.5rem 1rem; font-size: 1rem; cursor: pointer; }
form.inline { display: inline-block; margin-right: 0.5rem; }

.error { color: #c0392b; }
.muted { color: #777; font-size: 0.9rem; }
details { margin-top: 0.5rem; margin-bottom: 1rem; }

.list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.list-card {
  display: block;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 1rem;
  text-decoration: none;
  color: inherit;
}
.list-card h3 { margin: 0 0 0.25rem; }
.list-card p { margin: 0; color: #777; }

.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.item-card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 1rem;
}
.item-card.item-inactive { opacity: 0.6; }
.item-card img { width: 100%; height: 160px; object-fit: contain; margin-bottom: 0.5rem; background: #fafafa; }
.item-card h3 { margin: 0 0 0.25rem; font-size: 1rem; }
.item-card h3 a { color: inherit; }
.item-card .price { font-size: 1.25rem; font-weight: 700; margin: 0.25rem 0; }
.item-card .notes { font-size: 0.9rem; color: #555; }

.tag {
  display: inline-block;
  background: #eef0f4;
  color: #444;
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  font-size: 0.75rem;
  margin: 0 0.25rem 0.25rem 0;
}