:root {
  font-family: system-ui, sans-serif;
  color: #213046;
  background: #f4f6f9;
  color-scheme: light;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
main {
  max-width: 780px;
  margin: 48px auto;
  padding: 0 20px;
}
header,
.row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.spread {
  justify-content: space-between;
}
header {
  margin-bottom: 28px;
}
.mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: #254eab;
  color: white;
  font-size: 28px;
  font-weight: 700;
}
h1,
h2,
p {
  margin: 0 0 10px;
}
h1 {
  font-size: 25px;
}
h2 {
  font-size: 18px;
}
header p,
footer {
  color: #637084;
}
section {
  background: white;
  border: 1px solid #dfe5ed;
  border-radius: 14px;
  padding: 24px;
  margin: 18px 0;
}
form {
  display: grid;
  gap: 14px;
  margin: 18px 0;
}
label {
  display: grid;
  gap: 6px;
  font-size: 14px;
}
input {
  border: 1px solid #b7c3d2;
  border-radius: 7px;
  padding: 11px;
  font: inherit;
  min-width: 0;
}
button {
  border: 1px solid #b4c2d5;
  background: #f5f8fd;
  border-radius: 7px;
  padding: 9px 14px;
  font: inherit;
  cursor: pointer;
  color: #213046;
}
button[type="submit"] {
  background: #254eab;
  color: white;
  border-color: #254eab;
}
button:disabled {
  opacity: 0.55;
  cursor: wait;
}
details {
  margin-top: 18px;
}
summary {
  cursor: pointer;
}
code {
  font-size: 12px;
  overflow-wrap: anywhere;
}
article {
  border-top: 1px solid #e0e5ed;
  padding: 18px 0;
}
article p {
  color: #596779;
}
article button {
  margin-top: 10px;
}
#status {
  min-height: 24px;
  white-space: pre-line;
}
footer {
  font-size: 13px;
  padding: 20px 0;
}
[hidden] {
  display: none !important;
}