body:not([data-editing="true"]) #bookSetup,body[data-view="student"] #bookSetup,body[data-view="home"] .book-tabs,body[data-view="home"] .page-title,body:not([data-learning="true"]) .page-title,body:not([data-learning="true"]) .book-tabs{display:none}body:not([data-view="teacher"]) #connectionButton,body:not([data-view="teacher"]) .mode-badge{display:none}.header{gap:18px}.school-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:26px}.school-heading h1{font-size:30px;line-height:1.4;margin:9px 0}.school-heading p{font-size:16px;color:var(--n-63738e,#63738e);line-height:1.8}.school-heading a,.access-card a{text-decoration:none}.library-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:24px;margin:24px 0 30px}.class-sidebar{padding:25px 20px;background:var(--n-eaf0ff,#eaf0ff);border-radius:18px;align-self:start}.class-sidebar h2{font-size:18px;margin-bottom:17px}.class-list{display:grid;gap:8px;margin-bottom:24px}.class-option{padding:13px;text-align:left;border:1px solid transparent;background:var(--n-ffffff88,#fff8);border-radius:9px;color:var(--n-4f6388,#4f6388);font-size:16px;overflow-wrap:anywhere}.class-option.selected{background:var(--n-3457ed,#3457ed);color:var(--n-ffffff,white);border-color:var(--n-3457ed,#3457ed);font-weight:700}.compact-form{display:grid;gap:10px;border-top:1px solid var(--n-d2dcf1,#d2dcf1);padding-top:20px}.compact-form label,.rename-class label{font-size:14px;font-weight:600;color:var(--n-41577b,#41577b)}.compact-form input,.rename-class input{min-width:0;width:100%;font:inherit;font-size:16px;padding:12px;border:1px solid var(--n-cdd8ed,#cdd8ed);border-radius:9px;background:var(--n-ffffff,#fff);box-sizing:border-box}.compact-form button{width:100%}.class-library{background:var(--n-ffffff,white);border:1px solid var(--n-dce3f0,#dce3f0);border-radius:20px;padding:25px;min-width:0}.library-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:22px}.library-heading h2{font-size:23px;overflow-wrap:anywhere;margin-top:7px}.book-shelf{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.library-book{border:1px solid var(--n-dce3f0,#dce3f0);border-top:4px solid var(--n-5272f1,#5272f1);border-radius:12px;padding:22px;background:var(--n-fbfcff,#fbfcff);display:flex;flex-direction:column;gap:12px}.book-index{font-size:13px;color:var(--n-6c7d9a,#6c7d9a);font-weight:700;letter-spacing:1px}.library-book h3{font-size:20px;line-height:1.5;overflow-wrap:anywhere}.library-book p{font-size:14px;color:var(--n-677895,#677895)}.publish-state{font-size:14px;color:var(--n-526994,#526994)}.book-card-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:auto;padding-top:9px}.book-card-actions button{font-size:14px;padding:10px 12px}.book-card-actions button:disabled{opacity:.4;cursor:not-allowed}.empty-library{padding:38px 20px;grid-column:1/-1;color:var(--n-677995,#677995);background:var(--n-f5f8ff,#f5f8ff);border-radius:12px;line-height:1.8}.empty-library h3{font-size:18px;margin-bottom:10px}.empty-library p{font-size:16px}.class-settings{background:var(--n-f2f6ff,#f2f6ff);border:1px solid var(--n-dce5f7,#dce5f7);border-radius:12px;padding:16px;margin-bottom:20px}.class-settings summary{font-size:15px;font-weight:600;color:var(--n-4c6590,#4c6590);cursor:pointer}.code-share{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:18px 0 8px}.code-share span{font-size:14px}.code-share strong{font-family:var(--font-en),Arial,sans-serif;font-size:24px;letter-spacing:2px;color:var(--n-2648ca,#2648ca)}.rename-class{display:flex;align-items:center;flex-wrap:wrap;gap:10px;border-top:1px solid var(--n-d7e2f4,#d7e2f4);padding-top:16px;margin-top:16px}.rename-class input{flex:1;min-width:150px}.rename-class button{font-size:14px}.danger{color:var(--i-a94848,#a94848)!important}.access-card{max-width:650px;margin:35px auto;padding:40px;background:var(--n-ffffff,white);border:1px solid var(--n-dce3f0,#dce3f0);border-radius:20px;line-height:1.9}.access-card h2{font-size:23px;margin-bottom:10px}.access-card p{color:var(--n-677895,#677895);margin-bottom:23px}.access-card a{display:inline-block}.publish-options{margin-top:24px;padding:20px;background:var(--n-f3f7ff,#f3f7ff);border-radius:12px}.publish-options label{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600}.book-panel .publish-options input{width:19px;height:19px;accent-color:var(--n-3457ed,#3457ed);padding:0}.editor-tools{display:flex;gap:12px}#bookSetup{margin-top:30px}#refreshLibrary{margin-top:20px;font-size:14px}.school-heading>.secondary{white-space:nowrap}.school-heading h1{color:var(--n-263a61,#263a61)}
@media(max-width:900px){.library-layout{grid-template-columns:220px minmax(0,1fr)}.book-shelf{grid-template-columns:1fr}.header-caption{display:none}.class-library{padding:20px}}@media(max-width:650px){.header{gap:10px;flex-wrap:wrap}.header .brand{margin-right:auto}.school-heading{align-items:flex-start;gap:12px}.school-heading h1{font-size:25px}.school-heading>.secondary{font-size:13px;padding:9px}.school-heading p{font-size:15px}.library-layout{grid-template-columns:1fr}.class-sidebar{padding:20px}.class-list{display:flex;flex-wrap:wrap;gap:8px}.class-option{flex:1;min-width:100px}.class-library{padding:20px 16px}.code-share strong{font-size:22px}.editor-tools{flex-wrap:wrap}.book-card-actions button{flex:1}.library-heading h2{font-size:21px}.rename-class input{flex-basis:100%}.access-card{padding:25px}.setup-heading h2{font-size:20px}}
.teacher-signout{display:inline-block;font-size:14px;color:var(--n-526994,#526994);margin-top:20px}
.book-day-plan{margin-top:12px}.book-day-plan .field-help{margin:0 0 9px}.book-day-preview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;list-style:none;margin:0;padding:0}.book-day-preview-item{display:flex;flex-direction:column;gap:4px;padding:10px 11px;border:1px solid var(--n-dce5f7,#dce5f7);border-radius:9px;background:var(--n-f4f7ff,#f4f7ff);min-width:0}.book-day-preview-item strong{font-size:13px;color:var(--n-3457ed,#3457ed)}.book-day-preview-item span{font-size:12px;line-height:1.5;color:var(--n-63738e,#63738e)}.book-day-preview-item.empty{background:var(--n-fafbfe,#fafbfe);border-color:var(--n-e8ecf3,#e8ecf3)}.book-day-preview-item.empty strong{color:var(--n-7b879d,#7b879d)}.book-day-plan .warning{color:var(--i-a94848,#a94848)}@media(max-width:400px){.book-day-preview{grid-template-columns:repeat(2,minmax(0,1fr))}}
.speech-guide{font-size:12px;color:var(--n-63718b,#63718b);margin:-6px 0 18px}/* The speech line is an overlay, never a line in the page flow (2026-10-30): it shows and hides without moving anything, above any fixed bottom bar (--tabbar-space). It shows only for a clip that asks for it (dist/speech.js showSpeechStatus); activity screens hide it by CSS as well. */.speech-feedback{position:fixed;left:50%;bottom:calc(max(12px,env(safe-area-inset-bottom)) + var(--tabbar-space,0px));z-index:40;box-sizing:border-box;width:min(560px,calc(100% - 24px));transform:translateX(-50%);display:flex;align-items:center;gap:12px;justify-content:space-between;padding:10px 16px;background:var(--n-eef2ff,#eef2ff);border-radius:12px;margin:0;box-shadow:0 8px 24px #2b211833;color:var(--n-3457ed,#3457ed);font-size:14px}body[data-learning="true"] #speechFeedback,body[data-inline-learning="true"] #speechFeedback,body[data-editing="true"] #speechFeedback,html[data-activity-trial] #speechFeedback{display:none!important}.speech-feedback.warning{color:var(--i-925026,#925026);background:var(--i-fff4e9,#fff4e9)}.speech-feedback[hidden],body:not([data-learning="true"]) .speech-guide{display:none}.speech-feedback button{flex-shrink:0}

.book-class-form{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px;border-top:1px solid var(--n-e0e7f3,#e0e7f3);padding-top:16px;margin-top:4px}.book-class-form label{display:grid;gap:7px;color:var(--n-42577b,#42577b);font-size:14px;font-weight:600}.book-class-form select{min-width:0;width:100%;border:1px solid var(--n-c9d5ec,#c9d5ec);border-radius:9px;padding:10px;font:inherit;font-size:14px;background:var(--n-ffffff,#fff);color:var(--n-243954,#243954);box-sizing:border-box}.book-class-form button{font-size:14px;padding:11px 13px}.book-class-form button:disabled{opacity:.45;cursor:default}.book-class-form .field-help,.book-class-form .book-move-error{grid-column:1/-1;line-height:1.7;margin:0;font-size:13px}.book-class-form .book-move-error{color:var(--i-a64036,#a64036)}.book-move-error:empty{display:none}@media(max-width:400px){.book-class-form{grid-template-columns:1fr}.book-class-form button{width:100%}}

.document-drop-zone{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1.5px dashed var(--n-bba789,#bba789);border-radius:18px;padding:20px;margin:0 0 8px;background:var(--n-f8f4e9,#f8f4e9);color:var(--n-514c3c,#514c3c);transition:background .12s,border-color .12s}.document-drop-zone strong{font-size:17px}.document-drop-zone p{font-size:13px;line-height:1.6;margin:6px 0}.document-drop-zone small{font-size:11px;color:var(--n-77715f,#77715f)}.document-drop-zone.is-dragging{background:var(--n-e7f1df,#e7f1df);border-color:var(--n-66834b,#66834b)}.document-drop-zone[aria-busy="true"]{opacity:.75}.document-import-status{min-height:0;margin:0 0 18px;font-size:13px;line-height:1.6;color:var(--n-4c744a,#4c744a)}.document-import-status:empty{display:none}.document-import-status.warning{color:var(--i-ad422c,#ad422c)}@media(max-width:480px){.document-drop-zone{padding:16px;gap:10px;flex-wrap:wrap}.document-drop-zone strong{font-size:16px}}

/* The unified editor and activity preview replace teacher-only practice tabs. */
body[data-view="teacher"] #bookSetup,body[data-view="teacher"] .book-tabs,body[data-view="teacher"] .page-title,body[data-view="teacher"] .speech-guide{display:none!important}
/* A home's frame while the page reads who is signed in (school.js homeSkeletonHTML, 2026-10-30): the real classes keep
   every part where it will be; the blocks are quiet and the words are for screen readers only. */
.home-skeleton-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap}
.home-skeleton .home-skeleton-text{display:inline-block;min-width:96px;border-radius:8px;background:var(--n-f1e9dd,#f1e9dd);color:transparent}
.home-skeleton .home-skeleton-block{color:transparent;background:var(--n-fffaf3,#fffaf3)}
.home-skeleton .student-book-card.home-skeleton-block{display:block;height:var(--book-height,64px);border-radius:14px;background:var(--n-fff6ea,#fff6ea)}
.home-skeleton button:disabled{opacity:1;color:transparent}
.home-skeleton .teacher-main-tabs button:disabled{color:inherit;opacity:.55}