body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  color: white;
  background-color: #0077b6;
}

.hero {
  background-image: url("https://images.unsplash.com/photo-1507525428034-b723cf961d3e");
  background-size: cover;
  background-position: center;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.overlay {
  background: rgba(0, 0, 0, 0.45);
  padding: 3rem;
  border-radius: 20px;
  text-align: center;
  max-width: 400px;
}

h1 {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
  color: #00e0ff;
  text-shadow: 2px 2px 8px #000;
}

p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.login-form input {
  display: block;
  width: 100%;
  margin: 0.5rem 0;
  padding: 0.8rem;
  border: none;
  border-radius: 5px;
}

.login-form button {
  background: linear-gradient(90deg, #00b4d8, #90e0ef);
  border: none;
  color: #003049;
  font-weight: bold;
  padding: 0.8rem 1.2rem;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

.login-form button:hover {
  background: linear-gradient(90deg, #48cae4, #00b4d8);
  transform: scale(1.05);
}

.error {
  background-color: rgba(255, 0, 0, 0.6);
  padding: 0.5rem;
  border-radius: 5px;
  margin-bottom: 1rem;
}

.dashboard {
  background-image: url("https://images.unsplash.com/photo-1507525428034-b723cf961d3e");
  background-size: cover;
  background-position: center;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dashboard-content {
  background: rgba(0, 0, 0, 0.5);
  padding: 3rem;
  border-radius: 20px;
  text-align: center;
}

.logout-btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.8rem 1.2rem;
  background: linear-gradient(90deg, #00b4d8, #90e0ef);
  border-radius: 8px;
  text-decoration: none;
  color: #003049;
  font-weight: bold;
  transition: 0.3s;
}

.logout-btn:hover {
  background: linear-gradient(90deg, #48cae4, #00b4d8);
  transform: scale(1.05);
}