* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;

  background: #080c10;
  color: #c8e0f0;

  font-family: Arial, sans-serif;
}

.auth-card {
  width: min(420px, calc(100% - 32px));

  padding: 32px;

  background: #111e2e;
  border: 1px solid #def5f0;
  border-radius: 6px;

  box-shadow:
    0 0 30px rgba(0, 200, 255, 0.08);
}

h1 {
  margin-bottom: 8px;
  color: #ffffff;
  font-size: 1.8rem;
}

.subtitle {
  margin-bottom: 28px;
  color: #8499a8;
}

.field {
  margin-bottom: 16px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.85rem;
}

input {
  width: 100%;
  padding: 12px;

  color: #ffffff;
  background: #080c10;

  border: 1px solid #465766;
  border-radius: 3px;
  outline: none;
}

input:focus {
  border-color: #00c8ff;
}

button {
  width: 100%;
  padding: 13px;

  border: 1px solid #00c8ff;
  background: rgba(0, 200, 255, 0.12);
  color: #ffffff;

  cursor: pointer;
}

button:hover {
  background: rgba(0, 200, 255, 0.22);
}

.message {
  min-height: 20px;
  margin-bottom: 14px;
  font-size: 0.85rem;
}

.register-link,
.login-link {
  margin-top: 20px;
  text-align: center;
  font-size: 0.85rem;
}

a {
  color: #00ff9d;
}