.navbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background-color: #b91c1c;
  color: #ffffff;
  gap: 1rem;
}

.brand {
  font-weight: 700;
  font-size: 1.4rem;
  color: #ffffff;
  text-decoration: none;
  margin-right: 2rem;
}

.navbar a,
.navbar .nav-link {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  padding: 0.5rem;
  transition: opacity 0.2s ease;
}

.navbar a:hover,
.navbar .nav-link:hover {
  opacity: 0.75;
}

.navbar form {
  margin-left: auto;
}

.btn.logout {
  background-color: #ffffff;
  color: #b91c1c;
  border: 2px solid #ffffff;
  padding: 0.4rem 0.75rem;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
}

.btn.logout:hover {
  background-color: #b91c1c;
  color: #ffffff;
  border-color: #ffffff;
}

  
.card {
  background: #ffffff;
  border: 2px solid #b91c1c;
  border-radius: 8px;
  padding: 1rem;
  box-shadow: 0 4px 10px rgba(0,0,0,.09);
}
  
.card h2 {
  margin-top: 0;
  font-size: 1.1rem;
}
  
.alert {
  max-width: 600px;
  margin: 1rem auto;
  padding: 0.75rem;
  background: #fee2e2;
  color: #7f1d1d;
  border: 2px solid #b91c1c;
  border-radius: 6px;
  text-align: center;
}
  
.centered {
  text-align: center;
  margin: 0.5rem 0 1rem;
}
  
.hidden {
  display: none;
}
  
form label {
  display: block;
  margin: .6rem 0 .3rem;
}
  
form input,
form select {
  width: 100%;
  padding: .45rem .6rem;
  border: 2px solid #b91c1c;
  border-radius: 6px;
  background: #fff;
  color: #b91c1c; 
}