.app {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "sidebar main";
  grid-template-rows: 1fr;
  gap: 20px;
  flex: 1;
  width: 100%;
  min-height: 0;
  padding: 20px;
  padding-bottom: 0;
}

.card {
  grid-area: main;
  display: flex;
  flex-direction: column;
  min-height: 0;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  padding: 24px;
  background: var(--bg-card);
  border-radius: 8px;
  transition: background 0.2s;
  position: relative;
}

#output {
  flex: 1 1 auto;
  min-height: 50vh;
  background-color: var(--bg-output);
  border: 1px solid var(--border-subtle);
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 16px;
  overflow-y: auto;
}

.story-actions {
  margin-bottom: 20px;
}

.controls-box {
  margin-top: 20px;
  background: var(--bg-controls);
  padding: 16px;
  border-radius: 8px;
  transition: background 0.2s;
}

.controls-box input,
.controls-box select {
  width: 100%;
  margin-top: 8px;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid var(--border-input);
  background: var(--bg-output);
  color: var(--text-primary);
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.buttons {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.buttons button,
.story-actions button {
  background: var(--link-bg);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.buttons button:hover:not(:disabled),
.story-actions button:hover {
  background: var(--link-bg-hover);
}

.buttons button:disabled,
.story-actions button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}