* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: #fafafa;
  color: #18181b;
  font-family: Arial, Helvetica, sans-serif;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.container { width: min(100% - 32px, 960px); margin: 0 auto; }
.page { min-height: calc(100vh - 65px); padding: 64px 0; }
.card {
  background: white;
  border: 1px solid #e4e4e7;
  border-radius: 16px;
  padding: 24px;
}
.grid { display: grid; gap: 16px; }
.form { max-width: 460px; margin: 0 auto; }
.field { display: grid; gap: 7px; margin-bottom: 16px; }
.field label { font-size: 14px; font-weight: 600; }
.field input {
  width: 100%;
  border: 1px solid #d4d4d8;
  border-radius: 10px;
  padding: 12px 13px;
  background: white;
}
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border: 0;
  border-radius: 10px;
  padding: 12px 18px;
  background: #18181b;
  color: white;
  cursor: pointer;
}
.btn.secondary { background: white; color: #18181b; border: 1px solid #d4d4d8; }
.muted { color: #71717a; }