:root {
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  color: #252b2d;
  background: #f5f4f1;
  font-size: 15px;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 32px;
  background: white;
  border-bottom: 1px solid #deddd8;
}
header b {
  font-size: 25px;
  letter-spacing: 0.08em;
}
header small {
  margin-left: auto;
  color: #766b5e;
  border: 1px solid #deddd8;
  padding: 5px 10px;
}
nav {
  padding: 12px 32px;
  background: white;
  border-bottom: 1px solid #deddd8;
  font-weight: 600;
}
main {
  max-width: 1100px;
  margin: 38px auto;
  padding: 0 24px;
}
h1 {
  font-size: 30px;
  letter-spacing: -0.03em;
}
h2 {
  font-size: 18px;
}
p {
  color: #646a6b;
  line-height: 1.5;
}
section {
  background: white;
  border: 1px solid #deddd8;
  padding: 24px;
  margin-top: 24px;
  box-shadow: 0 2px 8px #1b242406;
}
button,
a {
  font: inherit;
}
button,
#login {
  display: inline-block;
  border: 1px solid #d4cec5;
  background: #fff;
  padding: 10px 15px;
  color: #3b3027;
  border-radius: 3px;
  cursor: pointer;
  margin: 4px 8px 4px 0;
}
#login {
  background: #67523f;
  color: white;
  text-decoration: none;
}
label {
  display: block;
  margin: 18px 0;
}
pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: #f7f7f5;
  padding: 16px;
  font-size: 13px;
  min-height: 60px;
}
[hidden] {
  display: none !important;
}
@media (max-width: 600px) {
  header {
    padding: 16px;
    gap: 10px;
  }
  header span {
    font-size: 12px;
  }
  main {
    margin: 24px auto;
  }
}