* { box-sizing: border-box; }
body {
  font-family: system-ui, sans-serif;
  margin: 0;
  color: #1a1a1a;
  background: #fafafa;
}
header {
  background: #14532d;
  padding: 0.75rem 1rem;
}
nav a {
  color: #ecfdf5;
  margin-right: 0.75rem;
  text-decoration: none;
  font-size: 0.9rem;
}
nav a:hover { text-decoration: underline; }
nav .nav-sep { color: #86efac; margin-right: 0.75rem; }
.inline-form { display: inline; }
.inline-form button {
  background: none;
  border: none;
  color: #ecfdf5;
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: underline;
  padding: 0;
}
main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}
h1 { font-size: 1.4rem; }
h2 { font-size: 1.1rem; margin-top: 2rem; }
table {
  border-collapse: collapse;
  width: 100%;
  margin: 0.75rem 0;
  font-size: 0.9rem;
}
th, td {
  border: 1px solid #d4d4d4;
  padding: 0.35rem 0.5rem;
  text-align: left;
}
th { background: #f0fdf4; }
.status-AVAILABLE { background: #dcfce7; }
.status-UNAVAILABLE { background: #fee2e2; }
.status-SUBSTITUTE_ONLY { background: #fef9c3; }
.status-unset { background: #f4f4f5; color: #888; }
.error { color: #b91c1c; }
.warning { color: #b45309; }
.success { color: #15803d; }
.card {
  border: 1px solid #d4d4d4;
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1rem;
  background: #fff;
}
.actions button, .actions input[type="submit"] {
  margin-right: 0.5rem;
}
label { display: block; margin-bottom: 0.5rem; }
fieldset { margin-bottom: 1rem; }