* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #f6f7f9;
  color: #1f2933;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(420px, 100%);
  border: 1px solid #d9e2ec;
  border-radius: 10px;
  background: #fff;
  padding: 30px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.brand {
  color: #1f2933;
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
}

.heading {
  margin: 30px 0 24px;
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

.heading p {
  margin: 0;
  color: #627d98;
  line-height: 1.5;
}

form,
label {
  display: grid;
  gap: 8px;
}

form {
  gap: 18px;
}

label span {
  color: #334e68;
  font-size: 14px;
  font-weight: 700;
}

input {
  width: 100%;
  height: 42px;
  border: 1px solid #bcccdc;
  border-radius: 6px;
  color: #1f2933;
  font: inherit;
  padding: 0 12px;
}

input:focus {
  border-color: #486581;
  outline: 3px solid rgba(72, 101, 129, 0.14);
}

button {
  height: 42px;
  border: 1px solid #243b53;
  border-radius: 6px;
  background: #243b53;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.message {
  margin: 0 0 18px;
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 14px;
}

.error {
  background: #fff5f5;
  color: #9b2c2c;
}

.success {
  background: #f0fff4;
  color: #276749;
}