.lab-learning-bar{position:fixed;right:18px;bottom:15px;z-index:35;display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:14px;background:#ffffffed;border:1px solid #c8ddd0;box-shadow:0 5px 24px #24543b20;max-width:calc(100vw - 30px)}.lab-learning-bar button{background:#277951;color:white;border:0}.lab-learning-bar span{font-size:11px;color:#516e5c}.lab-ai-dialog{width:min(700px,94vw);max-height:86vh;padding:22px;color:#244a36;border:1px solid #c9ddcd;border-radius:18px}.lab-ai-dialog::backdrop{background:#18382855}.lab-ai-dialog header{display:flex;align-items:center;justify-content:space-between}.lab-ai-dialog h2{font-size:22px}.lab-ai-dialog textarea{width:100%;padding:12px;margin:8px 0;border:1px solid #b8d4bf;border-radius:10px;font:inherit}.lab-ai-history{max-height:34vh;overflow:auto}.lab-ai-history p{padding:12px 15px;border-radius:12px;white-space:pre-wrap}.student-question{background:#e7f1e8}.teacher-reply{background:#f4f7f3}.lab-ai-consent{display:flex;gap:8px;font-size:13px;align-items:flex-start}.lab-ai-dialog button.primary{padding:12px 22px;background:#277951;color:white}.lab-ai-dialog #labAIStatus{font-size:13px;min-height:1.6em}@media(max-width:700px){.lab-learning-bar{gap:6px}.lab-learning-bar span{max-width:120px}.lab-learning-bar button{font-size:13px}}