body {
  margin: 0;
  padding: 24px;
  font-family: system-ui, sans-serif;
  font-size: 14px;
  color: #1f1f1f;
  background: #fafafa;
}

main {
  max-width: 640px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 8px;
  padding: 20px 24px;
}

h1 {
  font-size: 18px;
  margin: 0 0 16px;
}

fieldset {
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 6px;
  margin: 0 0 16px;
  padding: 12px 16px;
}

legend {
  font-weight: 600;
  padding: 0 6px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}

.field.inline {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

label,
.label-text {
  font-weight: 500;
}

.hint {
  color: #5f6368;
  font-size: 11px;
  margin: 2px 0 0;
}

.status {
  color: #5f6368;
  font-size: 12px;
}

.status.error {
  color: #c5221f;
}

input[type='text'],
input[type='number'],
select,
textarea {
  font-family: system-ui, sans-serif;
  font-size: 13px;
  padding: 4px 6px;
  border: 1px solid rgba(0, 0, 0, 0.25);
  border-radius: 4px;
}

textarea {
  resize: vertical;
}

.inline {
  display: flex;
  gap: 6px;
  align-items: center;
}

.inline select {
  flex: 1;
  min-width: 0;
}

.inline input[type='number'] {
  width: 120px;
}

.segmented {
  display: flex;
  gap: 12px;
  margin: 4px 0;
}

.segmented label {
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: 4px;
}

#seed-value-row {
  margin-top: 4px;
}

.actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

#save {
  padding: 6px 24px;
  border: 1px solid rgba(0, 0, 0, 0.25);
  border-radius: 4px;
  background: #1a73e8;
  color: #fff;
  cursor: pointer;
  font-size: 13px;
}

#save:hover {
  background: #1765cc;
}

.dev-link {
  margin-top: 16px;
  font-size: 11px;
}

.dev-link a {
  color: #5f6368;
}