/* Base reset & font */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  background: linear-gradient(135deg, #4A90E2 0%, #50E3C2 100%);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Card container */
.login-card {
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  width: 320px;
  text-align: center;
}

h2 {
  margin-bottom: 1.5rem;
  color: #333;
  font-size: 1.5rem;
}

/* Form elements */
label {
  display: block;
  text-align: left;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #555;
}
input {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.2s;
}
input:focus {
  outline: none;
  border-color: #4A90E2;
}

button {
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: 6px;
  background-color: #4A90E2;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
}
button:hover {
  background-color: #357ABD;
}
button:active {
  transform: scale(0.98);
}

/* Message text */
#message {
  margin-top: 1rem;
  font-size: 0.9rem;
  min-height: 1.2em;
}