body {
  background: #111;
  color: #eee;
  font-family: Arial, sans-serif;
  padding: 20px;
}

h1 {
  margin-bottom: 20px;
}

/* Tabs */
.tabs {
  display: flex;
  margin-bottom: 15px;
}

.tab-button {
  flex: 1;
  padding: 10px;
  border: none;
  cursor: pointer;
  background: #222;
  color: #ddd;
  font-weight: bold;
  border-radius: 8px 8px 0 0;
  margin-right: 4px;
}

.tab-button:last-child {
  margin-right: 0;
}

.tab-button.active {
  background: #0af;
  color: #000;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.section {
  margin-bottom: 25px;
  padding: 15px;
  background: #222;
  border-radius: 10px;
}

label {
  display: block;
  margin-top: 8px;
  font-size: 0.9rem;
  opacity: 0.8;
}

textarea,
input {
  width: 100%;
  padding: 10px;
  background: #333;
  border: 1px solid #555;
  color: #fff;
  border-radius: 5px;
  margin-top: 4px;
  margin-bottom: 10px;
  box-sizing: border-box;
}

button {
  background: #0af;
  color: #000;
  padding: 8px 16px;
  border: none;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
  margin-right: 6px;
  margin-top: 6px;
}

button:hover {
  background: #09c;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

pre {
  background: #000;
  padding: 15px;
  border-radius: 8px;
  height: 250px;
  overflow-y: scroll;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.hint {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-bottom: 8px;
}

ol.hint {
  padding-left: 20px;
}