:root {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  color: #1a1a1a;
}

body {
  margin: 0;
}

nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #e2e2e2;
}

nav a {
  color: #2563eb;
  text-decoration: none;
}

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

.nav-spacer {
  flex: 1 1 auto;
}

nav button {
  cursor: pointer;
  padding: 0.4rem 0.9rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  background: #f9fafb;
  font: inherit;
}

nav button:hover {
  background: #f3f4f6;
}

main {
  max-width: 40rem;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.profile-card {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid #e2e2e2;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgb(0 0 0 / 8%);
}

.profile-card__avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  background: #f3f4f6;
}

.profile-card__name {
  margin: 0;
}

.profile-card__fields {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5rem 1.5rem;
  margin: 0;
}

.profile-card__fields dt {
  font-weight: 600;
  color: #4b5563;
}

.profile-card__fields dd {
  margin: 0;
  word-break: break-word;
}