/* The actual shared teaching document, scoped away from the native narration/DNA shell. */
.studio-plan { max-width: 1100px; margin: auto; padding: 1rem 1.25rem 2rem; color: var(--text); font: 1rem/1.65 var(--font-sans); min-width: 0; }
.studio-plan *, .studio-plan *::before, .studio-plan *::after { box-sizing: border-box; }
.studio-plan [hidden] { display: none !important; }
.studio-plan .sp-header { position: relative; display: grid; grid-template-columns: auto 1fr auto; gap: .75rem; align-items: center; margin-bottom: .6rem; }
.studio-plan .sp-course { margin: 0; font-size: .9375rem; line-height: 1.4; overflow-wrap: anywhere; }
.studio-plan .sp-course-disclosure { min-width: 0; }
.studio-plan .sp-course-disclosure > summary { cursor: pointer; display: flex; align-items: center; }
.studio-plan .sp-course-full { margin: .25rem 0; font-size: .9375rem; line-height: 1.5; overflow-wrap: anywhere; }
.studio-plan .sp-back { min-height: 44px; display: inline-flex; align-items: center; color: var(--text-dim); }
.studio-plan .sp-tools, .studio-plan .sp-save-row, .studio-plan .sp-link-controls { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; }
.studio-plan .sp-button, .studio-plan select, .studio-plan summary { min-height: 44px; font: inherit; color: var(--text); }
.studio-plan .sp-button { border: 1px solid var(--border-strong); border-radius: 7px; padding: .45rem .8rem; background: var(--surface-1); cursor: pointer; }
.studio-plan .sp-tools .sp-button[aria-pressed=true] { background: var(--surface-2); border-color: var(--accent); box-shadow: inset 0 -3px var(--accent); }
.studio-plan .sp-timing { margin: 0 0 .65rem; font: .875rem/1.5 var(--font-sans); color: var(--text-dim); }
.studio-plan .sp-button:hover { background: var(--surface-2); }
.studio-plan .sp-button:disabled, .studio-plan .sp-button[aria-disabled=true] { opacity: .55; cursor: default; }
.studio-plan .sp-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 700; }
.studio-plan .sp-primary:hover { background: var(--accent); }
.studio-plan select { max-width: 100%; min-width: 0; border: 1px solid var(--border-strong); border-radius: 6px; padding: .45rem .7rem; background: var(--surface-1); }
.studio-plan button:focus-visible, .studio-plan a:focus-visible, .studio-plan select:focus-visible,
.studio-plan textarea:focus-visible, .studio-plan input:focus-visible, .studio-plan summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
/* One compact location surface; the nonmodal contents floats below the measured sticky bar. */
.studio-plan .sp-position { position: sticky; top: var(--tabs-h, 49px); z-index: 5; display: flex; align-items: center; gap: .5rem; padding: .5rem 0; border-bottom: 1px solid var(--border); background: var(--bg); }
.studio-plan .sp-position > .sp-button { flex: 0 0 auto; }
.studio-plan .sp-position > .sp-location { flex: 1 1 0; min-width: 0; display: grid; grid-template-columns: auto 1fr; gap: .1rem .65rem; text-align: left; }
.studio-plan .sp-location-label { color: var(--accent); font-weight: 700; }
.studio-plan .sp-location-position { align-self: center; color: var(--text-dim); font-size: .8125rem; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.studio-plan .sp-section-identity { grid-column: 1 / -1; font-size: .9375rem; line-height: 1.35; overflow-wrap: anywhere; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.studio-plan .sp-contents { position: absolute; top: 100%; left: 0; right: 0; max-width: 48rem; max-height: min(30rem, 65dvh); overflow: auto; overscroll-behavior: contain; padding: .75rem; border: 1px solid var(--border); border-radius: 0 0 8px 8px; background: var(--surface-1); box-shadow: var(--shadow); }
.studio-plan .sp-contents-find { display: grid; gap: .3rem; color: var(--text-dim); font-size: .875rem; }
.studio-plan .sp-contents-search { width: 100%; min-width: 0; min-height: 44px; font: inherit; padding: .5rem .65rem; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 5px; }
.studio-plan .sp-contents > .sp-button { margin-top: .4rem; }
.studio-plan .sp-contents-group h2 { margin: .8rem .4rem .2rem; color: var(--text-dim); font: 700 .875rem/1.4 var(--font-sans); }
.studio-plan .sp-contents-entry { display: block; width: 100%; text-align: left; white-space: normal; overflow-wrap: anywhere; border-color: transparent; background: transparent; line-height: 1.45; }
.studio-plan .sp-contents-entry[data-section-index=overview] { font-weight: 700; }
.studio-plan .sp-contents-entry[aria-current=location] { border-color: var(--accent); box-shadow: inset 3px 0 var(--accent); }
.studio-plan .sp-contents-overview { display: block; font-size: .8125rem; color: var(--text-dim); font-weight: 400; }
.studio-plan .sp-contents-empty { color: var(--text-dim); margin: .65rem .4rem; }
.studio-plan .sp-contents-add { margin-top: .6rem; padding-top: .6rem; border-top: 1px solid var(--border); }
.studio-plan .sp-document { max-width: 800px; margin: 0 auto; }
.studio-plan .sp-lesson { padding-bottom: 2rem; }
.studio-plan .sp-lesson-heading { margin: .8rem 0 .35rem; }
.studio-plan .sp-field { display: block; margin: .6rem 0 1rem; min-width: 0; }
.studio-plan .sp-field-label { display: block; color: var(--text-dim); font: .875rem/1.45 var(--font-sans); text-transform: none; margin-bottom: .25rem; }
.studio-plan .sp-text { display: block; width: 100%; min-height: 44px; overflow: hidden; resize: vertical; border: 1px solid transparent; border-bottom-color: var(--border); border-radius: 3px; padding: .4rem .2rem; margin: 0; background: transparent; color: var(--text); font: 1.125rem/1.75 'Source Serif 4', Georgia, serif; white-space: pre-wrap; overflow-wrap: anywhere; }
.studio-plan .sp-text:hover, .studio-plan .sp-text:focus { border-color: var(--border-strong); background: var(--surface-1); }
.studio-plan .sp-document .lore-markdown { padding: .4rem .2rem; font: 1.125rem/1.75 'Source Serif 4', Georgia, serif; white-space: pre-wrap; }
.studio-plan .sp-document .lore-markdown > :first-child { margin-top: 0; }
.studio-plan .sp-document .lore-markdown > :last-child { margin-bottom: 0; }
.studio-plan .sp-lesson-title, .studio-plan .sp-document .sp-lesson-title { font-size: 1.7rem; line-height: 1.3; font-weight: 700; letter-spacing: -.02em; }
.studio-plan .sp-lesson-heading .sp-field { margin: 0; }
.studio-plan .sp-lesson-heading .sp-field-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.studio-plan .sp-section-title, .studio-plan .sp-document .sp-section-title { font-size: 1.3rem; line-height: 1.45; font-weight: 700; }
.studio-plan .sp-source-review { margin-top: .5rem; color: var(--text-dim); font: .875rem/1.5 var(--font-sans); }
.studio-plan .sp-source-review > summary { display: list-item; padding: .6rem .2rem; cursor: pointer; }
.studio-plan .sp-source-notes { padding: .25rem .5rem; border-left: 1px solid var(--border); }
.studio-plan .sp-source-note { padding: .2rem 0 .5rem; }
.studio-plan .sp-source-note p { margin: .2rem 0; }
.studio-plan .sp-ref { font: .8125rem/1.5 var(--font-sans); white-space: pre-wrap; overflow-wrap: anywhere; }
/* One retained body per native section, with a quiet alternate bullet surface. */
.studio-plan .sp-density { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem; min-width: 0; font-size: .875rem; color: var(--text-dim); }
.studio-plan .sp-sections { list-style: none; padding: 0; margin: 0; min-width: 0; }
.studio-plan .sp-section-item { min-width: 0; }
.studio-plan .sp-outline-heading { margin: 0; min-width: 0; font: inherit; }
.studio-plan .sp-outline-outcomes { min-width: 0; }
.studio-plan .sp-outline-outcomes > summary { cursor: pointer; padding: .5rem .2rem; font: 700 1rem/1.5 var(--font-sans); }
.studio-plan[data-plan-density=outline] .sp-sections { list-style: disc; padding-left: 1.4rem; margin: .75rem 0; }
.studio-plan .sp-outline-toggle { display: block; width: 100%; min-height: 44px; padding: .55rem .2rem; border: 0; border-radius: 3px; background: transparent; text-align: left; white-space: normal; overflow-wrap: anywhere; font: 700 1.2rem/1.45 'Source Serif 4', Georgia, serif; }
.studio-plan .sp-outline-toggle::after { content: ' +'; font-family: var(--font-sans); color: var(--text-dim); }
.studio-plan .sp-outline-toggle[aria-expanded=true]::after { content: ' −'; }
.studio-plan[data-plan-density=outline] .sp-section { padding-top: .25rem; }
.studio-plan .sp-section { padding: 1rem 0 1.75rem; border-bottom: 1px solid var(--border); scroll-margin-top: var(--tabs-h, 49px); }
.studio-plan .sp-section-heading { display: flex; align-items: start; gap: .5rem; margin: 0; }
.studio-plan .sp-section-heading > .sp-field { flex: 1; margin-top: 0; }
.studio-plan .sp-section-heading > .sp-field .sp-field-label { display: none; }
.studio-plan .sp-section-heading > .sp-actions { flex: 0 0 auto; }
.studio-plan .sp-actions { font: .875rem/1.4 var(--font-sans); }
.studio-plan .sp-actions summary { cursor: pointer; padding: .6rem .35rem; color: var(--text-dim); }
.studio-plan .sp-actions[open] { padding: .3rem; border: 1px solid var(--border); border-radius: 6px; }
.studio-plan .sp-actions .sp-button { margin: .2rem; }
.studio-plan .sp-block { margin: .75rem 0 1rem; }
.studio-plan .sp-block > .sp-actions, .studio-plan .sp-list-row > .sp-actions { margin-top: -.75rem; }
.studio-plan .sp-activity { margin-top: 1.25rem; }
.studio-plan .sp-outcomes { margin: .5rem 0; }
.studio-plan .sp-outcomes h2 { font: 700 1rem/1.5 var(--font-sans); margin: .5rem 0 0; }
.studio-plan .sp-activity h3 { font: 700 1rem/1.5 var(--font-sans); margin: .5rem 0; }
.studio-plan .sp-context, .studio-plan .sp-context-details { color: var(--text-dim); font-size: .9375rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.studio-plan .sp-context-details > summary { padding: .5rem 0; cursor: pointer; }
.studio-plan .sp-disclosure, .studio-plan .sp-recovery, .studio-plan .sp-seed-preview:not(:empty) { margin: .75rem 0; padding: 1rem; background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; min-width: 0; }
.studio-plan .sp-disclosure h2, .studio-plan .sp-recovery h2, .studio-plan .sp-seed-preview h2 { margin: 0 0 .6rem; font: 700 1.125rem/1.5 var(--font-sans); }
.studio-plan .sp-disclosure > label, .studio-plan .sp-calendar-review > label, .studio-plan .sp-source-choice > label { display: grid; gap: .4rem; margin: .75rem 0; }
.studio-plan .sp-source { padding: .75rem 0; border-bottom: 1px solid var(--border); }
.studio-plan .sp-source:last-child { border-bottom: 0; }
.studio-plan .sp-source strong { overflow-wrap: anywhere; }
.studio-plan .sp-source pre, .studio-plan .sp-candidate, .studio-plan .sp-comparison { white-space: pre-wrap; overflow-wrap: anywhere; font: 1rem/1.65 'Source Serif 4', Georgia, serif; max-height: 28rem; overflow: auto; }
.studio-plan .sp-source-unit { border-left: 2px solid var(--accent); padding-left: .75rem; margin: 1rem 0; }
.studio-plan .sp-check { display: flex !important; align-items: center; min-height: 44px; gap: .6rem; }
.studio-plan .sp-check input { min-width: 24px; min-height: 24px; margin: 10px; }
.studio-plan .sp-empty h1 { font: 700 1.5rem/1.35 'Source Serif 4', Georgia, serif; }
.studio-plan .sp-source-choice { margin: .75rem 0; }
.studio-plan .sp-source-choice > summary { cursor: pointer; padding: .5rem 0; }
.studio-plan .sp-source-choice select { width: 100%; }
/* Intake keeps native controls and a single continuous supplied document. Source forensics stay secondary. */
.studio-plan .sp-source-choice, .studio-plan .sp-intake-fields, .studio-plan .sp-session-detail { min-width: 0; overflow-wrap: anywhere; }
.studio-plan .sp-intake-fields > label { display: grid; gap: .4rem; margin: .75rem 0; min-width: 0; }
.studio-plan .sp-source-choice select { display: block; width: 100%; max-width: 100%; }
.studio-plan .sp-context-choice { border-top: 1px solid var(--border); padding-top: .4rem; }
.studio-plan .sp-session-detail h2 { font: 700 1.125rem/1.5 var(--font-sans); overflow-wrap: anywhere; }
.studio-plan .sp-outline-document { scroll-margin-top: .75rem; max-height: 34rem; overflow: auto; overflow-wrap: anywhere; min-width: 0; padding: .25rem .5rem .75rem; font: 1.125rem/1.75 'Source Serif 4', Georgia, serif; }
.studio-plan .sp-outline-document h3 { font-size: 1.5rem; line-height: 1.35; margin: .6rem 0; }
.studio-plan .sp-outline-document h4 { font-size: 1.25rem; line-height: 1.4; margin: .5rem 0; }
.studio-plan .sp-outline-document .lore-markdown, .studio-plan .sp-preview-text { white-space: pre-wrap; overflow-wrap: anywhere; }
.studio-plan .sp-outline-document .lore-markdown > :first-child { margin-top: 0; }
.studio-plan .sp-preview-section { border-bottom: 1px solid var(--border); padding: .75rem 0; }
.studio-plan .sp-seed-preview > .sp-button, .studio-plan .sp-empty > .sp-button { margin: .5rem .5rem .5rem 0; }
.studio-plan .sp-outline-document:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
/* Occasional PDF actions live with the course tools and scroll away with the header. */
.studio-plan .sp-export-menu { position: static; max-width: 100%; }
.studio-plan .sp-export-menu > summary { display: flex; align-items: center; list-style: none; }
.studio-plan .sp-export-menu > summary::-webkit-details-marker { display: none; }
.studio-plan .sp-export-menu > summary::after { content: '⌄'; padding-left: .5rem; color: var(--text-dim); }
.studio-plan .sp-export-panel { position: absolute; right: 0; top: 100%; z-index: 7; width: min(26rem, 100%); max-width: 100%; max-height: 70dvh; overflow-wrap: anywhere; overflow: auto; padding: .75rem; background: var(--surface-1); border: 1px solid var(--border); border-radius: 7px; box-shadow: var(--shadow); }
.studio-plan .sp-save-dock { position: sticky; bottom: 0; z-index: 6; background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; padding: .65rem .75rem; margin-top: .75rem; box-shadow: var(--shadow); }
.studio-plan .sp-save-state { flex: 1 1 0; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .9375rem; color: var(--text-dim); margin-right: auto; }
.studio-plan .sp-export-choices { padding-top: .5rem; }
.studio-plan .sp-export-choices p { margin: .5rem 0; }
.studio-plan .sp-export-panel .sp-button { display: block; width: 100%; max-width: 100%; text-align: left; margin: .25rem 0; white-space: normal; overflow-wrap: anywhere; }
.studio-plan .sp-error { color: var(--danger); font-size: .9375rem; margin: .5rem 0 0; white-space: pre-wrap; }
.studio-plan .sp-copy { width: 100%; font: .875rem/1.6 var(--font-mono); }
.studio-plan .sp-findings details { padding: .5rem 0; }
.studio-plan .sp-findings summary { cursor: pointer; }
.studio-plan[data-reading=true] .sp-document .sp-actions, .studio-plan[data-reading=true] .sp-document button:not(.sp-outline-toggle) { display: none; }
.studio-plan[data-reading=true] .sp-text { resize: none; border-color: transparent; background: transparent; }
/* Keep raw heading owners while omitting empty visual gaps and repetitive block labels. */
.studio-plan .sp-block .sp-field-label,
.studio-plan[data-reading=true] .sp-lesson-heading[data-display-empty=true][data-heading-focused=false],
.studio-plan[data-reading=true] .sp-section-heading[data-display-empty=true][data-heading-focused=false] { position: absolute; width: 1px; height: 1px; padding: 0; margin: 0; overflow: hidden; clip-path: inset(50%); }
.studio-plan .sp-document [data-display-empty=true][data-heading-focused=false] .sp-text,
.studio-plan .sp-document [data-display-empty=true][data-heading-focused=false] .sp-heading-prompt { font-size: 1rem; line-height: 1.5; font-weight: 400; letter-spacing: normal; }
.studio-plan .sp-heading-field { position: relative; }
.studio-plan .sp-heading-prompt { position: absolute; top: .4rem; left: .2rem; max-width: calc(100% - .4rem); pointer-events: none; color: var(--text-dim); font-family: 'Source Serif 4', Georgia, serif; }
.studio-plan .sp-text[data-compact-empty=true] { resize: none; }
.studio-plan .sp-document [data-display-empty=true][data-heading-focused=true] .lore-markdown { min-height: 44px; }
.studio-plan .sp-teaching-notes { font: 700 1rem/1.5 var(--font-sans); margin: .5rem 0; }
.studio-plan .sp-empty-section { color: var(--text-dim); }
/* The same retained Markdown rows form a compact semantic list in Read. */
.studio-plan .sp-outcome-list { list-style: none; padding: 0; margin: .4rem 0; }
.studio-plan[data-reading=true] .sp-outcome-list { list-style: disc; padding-left: 1.4rem; }
.studio-plan[data-reading=true] .sp-outcome-list .sp-field { margin: 0; }
.studio-plan[data-reading=true] .sp-outcome-list .sp-list-row { margin: .2rem 0; }
.studio-plan[data-reading=true] .sp-outcome-list .lore-markdown { padding: .1rem .2rem; }
.studio-plan[data-reading=true] .sp-outcome-list .lore-markdown p { margin: .2em 0; }
.studio-plan[data-reading=true] .sp-outcome-list .sp-field-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
@media (max-width: 640px) {
  .studio-plan { padding: .5rem .75rem 1rem; }
  .studio-plan .sp-header { grid-template-columns: auto 1fr; gap: .25rem .6rem; margin-bottom: 0; }
  .studio-plan .sp-tools { grid-column: 1 / -1; gap: .4rem; }
  .studio-plan .sp-course { font-size: .875rem; line-height: 1.35; }
  .studio-plan .sp-course-disclosure:not([open]) > summary { display: block; line-height: 44px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
  .studio-plan .sp-back { font-size: .875rem; }
  .studio-plan .sp-button { padding: .4rem .6rem; font-size: .9375rem; }
  .studio-plan .sp-position { padding: .35rem 0; gap: .3rem; }
  .studio-plan .sp-location-position { font-size: .75rem; }
  .studio-plan .sp-contents { padding: .5rem; }
  .studio-plan .sp-lesson-title { font-size: 1.45rem; }
  .studio-plan .sp-lesson-heading { margin-top: .55rem; }
  .studio-plan .sp-section { padding-top: .5rem; }
  .studio-plan .sp-section-title { font-size: 1.2rem; }
  .studio-plan .sp-section-heading { display: block; }
  .studio-plan .sp-section-heading > .sp-actions { margin: -.4rem 0 0; }
  .studio-plan .sp-section-heading > .sp-actions summary { padding-top: .4rem; padding-bottom: .4rem; }
  .studio-plan .sp-section-heading > .sp-field { margin-bottom: .2rem; }
  .studio-plan .sp-text { font-size: 1.0625rem; line-height: 1.7; }
  .studio-plan .sp-document .lore-markdown { font-size: 1.0625rem; line-height: 1.7; }
  .studio-plan .sp-document .sp-lesson-title { font-size: 1.45rem; line-height: 1.3; }
  .studio-plan .sp-document .sp-section-title { font-size: 1.2rem; line-height: 1.45; }
  .studio-plan .sp-save-dock { padding: .5rem; bottom: env(safe-area-inset-bottom, 0px); }
  .studio-plan .sp-save-row { gap: .35rem; }
  .studio-plan .sp-save-state { font-size: .875rem; }
  .studio-plan .sp-save-row { flex-wrap: wrap; }
  .studio-plan .sp-save-row > button { flex: 0 0 auto; }
  .studio-plan .sp-disclosure, .studio-plan .sp-recovery { padding: .75rem; }
}
@media (prefers-reduced-motion: reduce) { .studio-plan * { scroll-behavior: auto; } }

/* One-time owner preparation uses the same native disclosure and control shell. */
.studio-plan .sp-connection {margin:24px 0;border-top:1px solid var(--border-strong);line-height:1.6;overflow-wrap:anywhere;}
.studio-plan .sp-connection > summary {min-height:44px;padding:14px 0;cursor:pointer;font-weight:700;}
.studio-plan .sp-connection-file {display:flex;flex-direction:column;gap:8px;margin:16px 0;}
.studio-plan .sp-connection-file input {max-width:100%;min-height:44px;font:inherit;}
.studio-plan .sp-connection-review {margin:16px 0;}
.studio-plan .sp-connection-review summary {min-height:44px;padding:10px 0;cursor:pointer;}
.studio-plan .sp-connection-ack {display:flex;align-items:flex-start;gap:12px;min-height:44px;padding:12px 0;}
.studio-plan .sp-connection-ack input {margin-top:6px;flex:none;}
.studio-plan .sp-connection-actions {display:flex;flex-wrap:wrap;gap:10px;margin:16px 0;}
.studio-plan .sp-connection-actions .btn {min-height:44px;white-space:normal;text-align:left;}
.studio-plan[data-reading=true] .sp-connection button {display:inline-flex;}
.studio-plan .sp-connection [hidden] {display:none!important;}

/* UNDER THE CONSOLE'S TAB BAR (2026-10-29, console navigation): the plan no longer hides the tabs, and above 700 px
   the tab bar sticks to the top of the window, so the location bar stands below it (--tabs-h, 49px) and a section's
   scroll margin clears it; jump() adds the bar's own sticky top to its clearance. On a phone the tab bar scrolls away. */
@media (max-width: 700px) {
  .studio-plan .sp-position { top: 0; }
  .studio-plan .sp-section { scroll-margin-top: 0; }
}