/* Grundlayout */
body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(145deg, #7f9cf5, #667eea);
  height: 100vh;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Kortinnehåll */
.container {
  background: #fff;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
  box-sizing: border-box;
}

/* Rubrik */
.container h1 {
  text-align: center;
  margin: 0;
  font-size: 1.5rem;
  color: #1a202c;
}

/* Formulär och fält */
form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

input[type="email"],
input[type="password"],
input[type="text"] {
  padding: 0.75rem;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  width: 100%;
  box-sizing: border-box;
}

/* Knappar */
button.btn {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
  display: block;
  box-sizing: border-box;
}

.btn-primary {
  background-color: #667eea;
  color: white;
}

.btn-primary:hover {
  background-color: #5a67d8;
}

.btn-secondary {
  background-color: #edf2f7;
  color: #2d3748;
}

.btn-secondary:hover {
  background-color: #e2e8f0;
}

/* Felmeddelanden */
#message {
  margin-top: 0.5rem;
  text-align: center;
  color: red;
  font-weight: 500;
}