*,
html {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: #f2f2f2;
  margin: 0;
  padding: 0;
}

.top-bar {
  background: #333;
  color: white;
  padding: 10px;
  display: flex;
  justify-content: space-between;
}

.logout-btn {
  color: white;
  text-decoration: none;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
}

.flex {
  display: flex;
}

.flex-centered {
  display: flex;
  margin: auto;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.flex-centered input,
.flex-centered select,
.flex-centered button {
  padding: 10px;
}

.hidden {
  display: none;
}

.modal-content {
  background: white;
  padding: 20px;
  border-radius: 5px;
  min-width: 300px;
}

.input {
  display: block;
  width: 100%;
  margin-bottom: 10px;
  padding: 8px;
}

.btn {
  width: 30%;
  padding: 8px;
  background: #333;
  color: white;
  border: none;
  cursor: pointer;
}

.main-container {
  flex-direction: column;
  margin: auto;
  gap: 10px;
  align-items: center;
  justify-content: center;
}

.main-container h2 {
  margin-bottom: 30px;
}

.bottom3rem {
  margin-bottom: 3rem;
}

.top1rem {
  margin-top: 1rem;
}