/* Buttons */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 500;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: #2563eb;
  color: #fff;
}

.btn-primary:hover {
  background: #1d4ed8;
  text-decoration: none;
}

/* Cards */
.card {
  background: #fff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  padding: 1.5rem;
}

/* Error pages */
.error-page {
  text-align: center;
  padding: 4rem 1rem;
}

.error-page h1 {
  font-size: 3rem;
  color: #2563eb;
  margin-bottom: 0.5rem;
}

.error-page p {
  color: #64748b;
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}