:root {
  --snow-white: #F2F0E9;
  --orange-coloured-white: #E8E1C9;
  --skimmed-milk-white: #D9D5C4;
  --ash-grey: #B7B8A4;
  --broccoli-brown: #5C5850;
  --ultramarine-blue: #4C6FA5;
  --imperial-purple: #33355C;
  --scotch-blue: #1E2038;
  --emerald-green: #5B9A73;
  --verdigris-green: #2E6E52;
  --sap-green: #5C6640;
  --duck-green: #193A2E;
  --dutch-orange: #E8A13C;
  --lake-red: #9A1F4A;
  --crimson-red: #7A5560;
  --deep-reddish-brown: #3E2A28;
}

body {
  font-family: 'Lato', Helvetica, Arial, sans-serif;
  max-width: 32rem;
  margin: 3rem auto;
  padding: 0 1rem;
  color: var(--deep-reddish-brown);
  background: var(--snow-white);
}

h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--ultramarine-blue);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--skimmed-milk-white);
}

nav .brand {
  color: var(--ultramarine-blue);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

nav .nav-links a {
  color: var(--broccoli-brown);
  text-decoration: none;
  font-weight: 600;
}

nav .nav-links a:hover {
  color: var(--ultramarine-blue);
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 20rem;
  margin: 0 auto;
}

.field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.field label {
  min-width: 5rem;
  font-weight: 600;
  color: var(--broccoli-brown);
}

input[type="text"],
input[type="email"],
input[type="password"] {
  flex: 1;
  padding: 0.5rem;
  font-size: 1rem;
  border: 1px solid var(--ash-grey);
  border-radius: 4px;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  font-family: 'Lato', Helvetica, Arial, sans-serif;
  padding: 0.5rem 1rem 0.65rem;
  font-size: 1rem;
  line-height: 1;
  border: 1px solid var(--dutch-orange);
  border-radius: 4px;
  background: var(--dutch-orange);
  color: var(--scotch-blue);
  cursor: pointer;
}

button:hover {
  background: #d3922f;
}

#signup-message {
  color: var(--verdigris-green);
}

#signup-message.error {
  color: var(--lake-red);
}