body {
  margin: 0;
  font-family: sans-serif;
  background: #f0f0f0;
}

.content {
  padding: 1rem;
  margin-bottom: 60px;
}

.toolbar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

input, select, button {
  padding: 0.5rem;
  border-radius: 5px;
  border: 1px solid #ccc;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

th, td {
  border: 1px solid #ccc;
  padding: 0.5rem;
  text-align: left;
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  border-top: 1px solid #ccc;
  display: flex;
  justify-content: space-around;
  padding: 0.5rem 0;
  box-shadow: 0 -2px 5px rgba(0,0,0,0.1);
}

.bottom-nav a {
  text-align: center;
  text-decoration: none;
  color: #333;
  font-size: 0.85rem;
}

.modal {
  display: none;
  position: fixed;
  z-index: 100;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
}

.modal-content {
  background: white;
  margin: 15% auto;
  padding: 1rem;
  width: 80%;
  border-radius: 10px;
}

.closeBtn {
  float: right;
  cursor: pointer;
}