.lesson-editor-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:20px}.lesson-editor-layout>aside{border-right:1px solid var(--line);padding-right:12px}.lesson-editor-layout .toolbar{display:flex;gap:6px;flex-wrap:wrap}.lesson-editor-layout label{font-size:12px}.lesson-dialog{width:1200px;max-width:96vw}.lesson-image-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.lesson-image-choice{border:1px solid var(--line);border-radius:8px;padding:8px;cursor:pointer;overflow-wrap:anywhere}.lesson-image-choice img{display:block;width:100%;height:100px;object-fit:contain;margin:8px 0}.lesson-image-choice span{font-size:11px}.lesson-preview{background:#f4f7f0;padding:15px;border:1px solid var(--line);border-radius:12px}.fixed-lesson-card{margin:12px 0;padding:18px;border:1px solid #cbdcc2;border-radius:12px;background:#f5f9f0;overflow-wrap:anywhere}.fixed-lesson-card h3{margin:0 0 12px;font-size:19px}.fixed-lesson-card .message-body{font-size:14px}.fixed-image-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:15px 0}.fixed-image-grid img{width:100%;max-height:280px;object-fit:contain;background:white;border-radius:8px}.fixed-question{padding:10px;background:white;border-radius:8px;margin-top:8px}.fixed-formulas{font-size:18px}.lesson-current{margin:18px 0}.lesson-current .pill{display:inline-block}.lesson-current>p{font-size:12px}.lesson-success{padding:18px;border:1px solid #bdd2b3;border-radius:10px;background:#e6f0df;font-size:16px!important}.lesson-history .fixed-lesson-card{max-height:600px;overflow:auto}.lesson-current button{margin:5px 0}.lesson-form-actions{display:flex;gap:8px;justify-content:space-between;margin-top:20px;flex-wrap:wrap}@media(max-width:700px){.lesson-editor-layout{display:block}.lesson-editor-layout>aside{border-right:0;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:12px}.lesson-editor-layout aside .list-item{display:block;max-width:none;width:100%}.lesson-image-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.fixed-lesson-card{padding:13px}.fixed-image-grid{grid-template-columns:1fr}}
.lesson-dialog[open]{display:flex;flex-direction:column;overflow:hidden;max-height:94dvh}.lesson-dialog>.dialog-top,.lesson-dialog>.notice,.lesson-dialog>.check,.lesson-dialog>.lesson-form-actions{flex:none}.lesson-editor-layout{flex:1;min-height:0;overflow:auto;padding-right:5px}.lesson-form-actions{border-top:1px solid var(--line);padding-top:15px}.lesson-current .fixed-image-grid img{max-height:200px}

/* The learner transcript contains teaching content, not instrumentation. */
.lesson-chat-content{margin:0;padding:0;border:0;background:transparent;border-radius:0}
.lesson-chat-content .fixed-question{padding:0;background:transparent;margin-top:16px}
.lesson-chat-content .fixed-image-grid{max-width:680px}
.lesson-chat-content .fixed-image-grid img{max-height:230px}
.lesson-actions:empty{display:none}.lesson-actions{margin:4px 0 20px}
.lesson-actions .lesson-advance{margin:0 0 0 0}
.lesson-actions .lesson-success{background:transparent;border:0;padding:12px 0;font-size:14px!important}
.research-turn{border-bottom:1px solid var(--line);padding:12px 0 22px}.research-turn:last-child{border-bottom:0}
#chatResearchDialog{max-width:94vw}.research-turn>p{overflow-wrap:anywhere}

.agent-context{padding:12px 30px;border-bottom:1px solid #d6e0d1;background:#edf3e9;line-height:1.7;overflow-wrap:anywhere;flex:none}.agent-context strong{display:block;font-size:14px}.agent-context span{font-size:11px;color:var(--muted)}.new-chat-button{font-size:11px;padding:5px 7px}.sidebar .list-item[aria-pressed="true"]{box-shadow:inset 3px 0 var(--green)}@media(max-width:700px){.agent-context{padding:10px 18px}}

.lesson-question-preview{min-width:0;max-width:100%;margin:-2px 0 16px;padding:10px 14px;border:1px solid var(--line);border-radius:8px;background:#f5f9f0}.lesson-question-preview .section-title{font-size:12px;margin:0 0 6px;color:var(--muted)}.lesson-question-preview .message-body{font-size:14px}.lesson-question-preview .message-body>:last-child{margin-bottom:0}