:root {
  color-scheme: light;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #17202a;
  background: #f3f5f7;
}

body {
  margin: 0;
}

.shell {
  width: min(760px, calc(100% - 2rem));
  margin: 4rem auto;
}

.masthead {
  margin-bottom: 2rem;
}

.masthead h1 {
  margin: 0.35rem 0 0;
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.1;
}

.eyebrow {
  color: #186a7b;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.card {
  padding: 1.75rem;
  border: 1px solid #d9e0e5;
  border-radius: 0.85rem;
  background: white;
  box-shadow: 0 0.8rem 2.2rem rgb(23 32 42 / 8%);
}

.card h2 {
  margin-top: 0;
}

.muted {
  color: #5f6b75;
}

.auth-form {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0;
}

.form-field {
  display: grid;
  gap: 0.35rem;
}

.form-field label {
  font-weight: 650;
}

.form-field input {
  box-sizing: border-box;
  width: 100%;
  padding: 0.72rem 0.8rem;
  border: 1px solid #9aa8b2;
  border-radius: 0.45rem;
  font: inherit;
}

.form-field input:focus {
  border-color: #186a7b;
  outline: 3px solid rgb(24 106 123 / 18%);
}

button {
  width: fit-content;
  padding: 0.72rem 1.1rem;
  border: 0;
  border-radius: 0.45rem;
  color: white;
  background: #186a7b;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.button-secondary {
  color: #17202a;
  background: #e7ecef;
}

.form-errors,
.errorlist {
  color: #9c2f24;
}

.errorlist {
  margin: 0;
  padding-left: 1.25rem;
}