body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: #f5f5f5;
  color: #1f1f1f;
  line-height: 1.5;
}

header {
  background: #fff;
  border-bottom: 1px solid #e0e0e0;
}

.bar {
  max-width: 48rem;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: #1f1f1f;
  text-decoration: none;
}

.brand img {
  height: 2rem;
  width: auto;
  display: block;
}

nav {
  display: flex;
  gap: 1rem;
  align-items: center;
}

nav a {
  color: #0f6cbd;
}

.who {
  color: #616161;
}

main {
  max-width: 48rem;
  margin: 2rem auto;
  padding: 0 1rem;
}

.card {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
  padding: 1.5rem 2rem;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 1.6rem;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.2rem;
  margin: 0 0 0.75rem;
}

.button {
  display: inline-block;
  background: #0f6cbd;
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
}

.steps li {
  margin-bottom: 0.5rem;
}

.muted {
  color: #616161;
}

dl.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 1rem;
}

dl.facts dt {
  color: #616161;
}

dl.facts dd {
  margin: 0;
  overflow-wrap: anywhere;
}

footer {
  max-width: 48rem;
  margin: 2rem auto;
  padding: 0 1rem;
  color: #616161;
  font-size: 0.85rem;
}

.notice {
  background: #dff6dd;
  border: 1px solid #9fd89f;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}

.button.secondary {
  background: #fff;
  color: #0f6cbd;
  border: 1px solid #0f6cbd;
}

button.button {
  border: 0;
  font: inherit;
  cursor: pointer;
}

.step h2 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

.badge.todo {
  background: #ebf3fc;
  color: #0f6cbd;
}

.badge.done {
  background: #dff6dd;
  color: #0e700e;
}

.badge.later {
  background: #f0f0f0;
  color: #616161;
}

.small {
  font-size: 0.85rem;
}

form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

form input {
  display: block;
  width: 100%;
  max-width: 28rem;
  box-sizing: border-box;
  font: inherit;
  padding: 0.5rem 0.6rem;
  border: 1px solid #c7c7c7;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.field-error {
  display: block;
  color: #b10e1c;
  margin: -0.5rem 0 0.75rem;
}

code {
  font-size: 0.9em;
  background: #f5f5f5;
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  overflow-wrap: anywhere;
}

ul.checks {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0.5rem;
}

ul.checks li {
  margin-bottom: 0.35rem;
}

ul.checks .mark {
  display: inline-block;
  width: 1.25rem;
  font-weight: 700;
}

ul.checks .passed .mark {
  color: #0e700e;
}

ul.checks .failed .mark {
  color: #b10e1c;
}

ul.checks .notchecked {
  color: #616161;
}

p.ok {
  color: #0e700e;
  font-weight: 600;
}

p.problem {
  color: #b10e1c;
  font-weight: 600;
}