body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #0f0f0f;
  color: white;
}

.topbar {
  display: flex;
  justify-content: space-between;
  padding: 12px;
  background: #1f1f1f;
  position: sticky;
  top: 0;
}

.card {
  background: #1b1b1b;
  border-radius: 12px;
  padding: 15px;
  margin: 15px;
}

button {
  padding: 6px 10px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
}

button:hover {
  opacity: 0.8;
}

input, select {
  padding: 6px;
  border-radius: 6px;
  border: 1px solid #333;
  background: #111;
  color: white;
}

.users {
  display: flex;
  gap: 10px; /* espace entre les boutons */
  align-items: center;
}