body {
  font-family: system-ui, Segoe UI, Roboto, Arial, sans-serif;
  margin: 0;
  padding: 2rem;
}

.app-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
}

.platform-brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.platform-brand-logo {
  display: block;
  width: min(100%, 255px);
  height: auto;
}

.app-nav {
  color: #4c5a6b;
  font-weight: 600;
}

.app-nav a {
  text-decoration: none;
  color: inherit;
}

.app-nav a:hover {
  text-decoration: underline;
}

.app-header hr {
  flex: 0 0 100%;
  width: 100%;
  margin: 0;
  border: 0;
  border-top: 1px solid #d7dde4;
}

.app-footer {
  margin-top: 2rem;
}

.app-footer hr {
  border: 0;
  border-top: 1px solid #d7dde4;
  margin: 0 0 1rem;
}

.notice {
  border: 1px solid transparent;
  padding: 10px;
  margin: 10px 0;
}

.notice-error {
  color: #b00;
  border-color: #b00;
}

.notice-success {
  color: #060;
  border-color: #060;
}

.module-note {
  border: 1px solid #999;
  padding: 10px;
  margin: 10px 0;
}

.btn-primary {
  padding: 10px 14px;
}