/* A quiet, retained workspace within the native lesson, in either plan reading mode. */
.studio-plan .studio-production { margin: 1.5rem 0 .5rem; border: 1px solid var(--border-strong); border-radius: 12px; background: var(--surface-1); color: var(--text); min-width: 0; }
.studio-plan .studio-production > summary { padding: .8rem 1rem; cursor: pointer; font-weight: 650; overflow-wrap: anywhere; }
.studio-plan .studio-production[open] > summary { border-bottom: 1px solid var(--border); }
.studio-plan .spr-body { padding: 1rem; min-width: 0; overflow-wrap: anywhere; }
.studio-plan .spr-intro { margin-top: 0; max-width: 60ch; }
.studio-plan .spr-basis, .studio-plan .spr-help, .studio-plan .spr-source { color: var(--text-dim); font-size: .9rem; line-height: 1.55; }
.studio-plan .spr-state { font-size: .9rem; line-height: 1.5; }
.studio-plan .spr-field { display: flex; flex-direction: column; gap: .4rem; margin: 1rem 0; font: inherit; min-width: 0; }
.studio-plan .spr-field > span { font-size: .9rem; font-weight: 600; }
.studio-plan .studio-production textarea, .studio-plan .studio-production select { display: block; box-sizing: border-box; width: 100%; max-width: 100%; min-height: 44px; border: 1px solid var(--border-strong); border-radius: 7px; padding: .65rem .75rem; background: var(--surface-1); color: var(--text); font: inherit; line-height: 1.55; }
.studio-plan .studio-production textarea { resize: vertical; min-height: 6rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.studio-plan .spr-outputs { display: flex; flex-wrap: wrap; gap: .35rem 1rem; min-width: 0; margin: 1rem 0 .3rem; border: 0; padding: 0; }
.studio-plan .spr-outputs legend { font-size: .9rem; font-weight: 600; margin-bottom: .4rem; }
.studio-plan .spr-outputs label { display: flex; align-items: center; gap: .5rem; min-height: 44px; cursor: pointer; line-height: 1.35; }
.studio-plan .spr-outputs input { width: 18px; height: 18px; flex-shrink: 0; accent-color: var(--accent); }
.studio-plan .spr-options { margin: 1rem 0; border-top: 1px solid var(--border); }
.studio-plan .spr-options > summary { padding: .7rem 0; cursor: pointer; }
.studio-plan .spr-actions { display: flex; gap: .5rem; flex-wrap: wrap; margin: 1rem 0; }
.studio-plan .spr-button { min-height: 44px; max-width: 100%; box-sizing: border-box; border: 1px solid var(--border-strong); border-radius: 7px; padding: .6rem .8rem; background: var(--surface-1); color: var(--text); font: inherit; cursor: pointer; white-space: normal; overflow-wrap: anywhere; }
.studio-plan[data-reading=true] .sp-document .studio-production .spr-button { display: inline-block; }
.studio-plan .spr-secondary { border-color: transparent; background: transparent; color: var(--text-dim); }
.studio-plan .spr-options > .spr-button { margin: .5rem 0; }
.studio-plan .spr-button:hover { background: var(--surface-2); }
.studio-plan .spr-button:disabled { opacity: .55; cursor: default; }
.studio-plan .spr-primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.studio-plan .spr-primary:hover { background: var(--accent); filter: brightness(.94); }
.studio-plan .spr-script { margin-top: 1.5rem; }
.studio-plan .spr-script > h2 { font-size: 1.4rem; line-height: 1.35; }
.studio-plan .spr-script-section { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border); min-width: 0; }
.studio-plan .spr-script-section h3 { font-size: 1.1rem; line-height: 1.45; }
.studio-plan .spr-script .lore-markdown { line-height: 1.75; max-width: 72ch; }
.studio-plan .studio-production .spr-script-raw { min-height: 12rem; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .9rem; }
.studio-plan .spr-source { white-space: pre-wrap; }
.studio-plan .spr-message, .studio-plan .spr-missing, .studio-plan .spr-review, .studio-plan .spr-recovery { border-left: 3px solid var(--accent); padding: .6rem .8rem; background: var(--surface-2); }
.studio-plan .spr-comparison, .studio-plan .spr-plain { white-space: pre-wrap; overflow-wrap: anywhere; max-width: 100%; }
.studio-plan .spr-recovery .spr-button { margin: .25rem; }
.studio-plan .studio-production [hidden] { display: none !important; }
@media (max-width: 560px) {
  .studio-plan .spr-body { padding: .8rem; }
  .studio-plan .spr-actions { flex-direction: column; }
  .studio-plan .spr-actions .spr-button { width: 100%; text-align: left; }
  .studio-plan .spr-outputs { flex-direction: column; gap: .1rem; }
}