body {
  font-family: sans-serif;
  background: #1a1a1a;
  color: #f0f0f0;
  padding: 20px;
}
button {
  margin: 5px;
  padding: 10px;
  font-size: 16px;
}
input, select {
  margin: 5px;
  padding: 8px;
  font-size: 16px;
}
.section {
  margin-top: 20px;
}
.hidden {
  display: none;
}
.menu button {
  display: block;
  width: 100%;
  margin-bottom: 10px;
}

.checkbox-list label {
  display: block;
  margin: 4px 0;
  cursor: pointer;
  font-family: sans-serif;
}
.checkbox-list input[type="checkbox"] {
  margin-right: 6px;
}



.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0;
}

.form-row button {
  flex: 1;
  min-width: 160px;
  background-color: #333;
  color: #f0f0f0;
  border: 1px solid #555;
  border-radius: 6px;
  transition: background 0.2s ease;
  cursor: pointer;
}

.form-row button:hover {
  background-color: #444;
}

input[type="number"] {
  width: 100%;
  max-width: 300px;
}

.panel-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
  background-color: #222;
  color: #f0f0f0;
}

.panel-table th, .panel-table td {
  border: 1px solid #444;
  padding: 6px 10px;
  text-align: left;
}

.footer-row td {
  font-weight: bold;
  background-color: #2a2a2a;
}