* { box-sizing: border-box; }
body { font-family: Arial, sans-serif; margin: 2em; }
section { margin-bottom: 2em; }
label { display: block; margin-bottom: 1em; }
input, textarea, select { width: 100%; padding: 0.5em; margin-top: 0.5em; }
button { padding: 0.5em 1em; }
.idea-item { border: 1px solid #ccc; padding: 1em; margin-bottom: 1em; }
.idea-item h3 { margin-top: 0; }
#filter-section label {
  display: inline-block;
  margin-right: 1em;
}
#filter-section input[type="text"],
#filter-section select {
  width: auto;
  min-width: 150px;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hidden { display: none; }

.modal-content {
  background: #fff;
  padding: 1em;
  max-width: 600px;
  width: 90%;
}

.app-intro { max-width: 65em; margin-bottom: 2em; }
.app-intro nav { margin-bottom: 1em; }

#category-settings { max-width: 65em; border: 1px solid #ccc; padding: 1em; margin-bottom: 2em; }
#category-settings summary { cursor: pointer; font-weight: bold; }
#category-settings label { margin: 1em 0 0; }
#category-settings button { margin: 0.25em 0.25em 0.25em 0; }
#category-message { font-weight: bold; overflow-wrap: anywhere; }
#category-help { font-size: 0.9em; }

.idea-open { border: 0; background: none; padding: 0; font: inherit; color: inherit; text-align: left; text-decoration: underline; text-underline-offset: 0.15em; cursor: pointer; }
