:root {
  font-family: Inter, system-ui, sans-serif;
  background: #faf6f0;
  color: #27394b;
  line-height: 1.65;
  color-scheme: light dark;
}
body {
  max-width: 700px;
  margin: 48px auto;
  padding: 24px;
}
h1 {
  font-size: 42px;
  line-height: 1.2;
}
a {
  color: inherit;
}
nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
button,
input {
  font: inherit;
  box-sizing: border-box;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid #89939c;
}
input {
  width: 100%;
  background: white;
  color: #27394b;
}
button {
  background: #27394b;
  color: #faf6f0;
  cursor: pointer;
  min-height: 48px;
}
button:disabled {
  opacity: 0.5;
  cursor: default;
}
form {
  display: grid;
  gap: 16px;
}
.notice {
  background: #dce8e1;
  padding: 16px;
  border-radius: 18px;
}
.danger {
  background: #a83e35;
}
.hidden {
  display: none;
}
footer {
  margin-top: 40px;
  font-size: 14px;
}
label {
  display: grid;
  gap: 8px;
}
@media (prefers-color-scheme: dark) {
  :root {
    background: #172430;
    color: #faf6f0;
  }
  .notice {
    background: #334d43;
  }
  input {
    background: #253747;
    color: #faf6f0;
  }
}