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/* Conversation and practice grading */
.chat-shell{border:1px solid #dce4d5;background:#fff;border-radius:16px;overflow:hidden}.chat-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:15px 21px;border-bottom:1px solid #ecf0e6;color:#88957c;font-size:11px}.chat-toolbar .btn{font-size:11px;min-height:34px;padding:6px 12px}.chat-messages{height:min(58vh,610px);min-height:330px;overflow-y:auto;padding:25px 28px;scrollbar-width:thin;overflow-wrap:anywhere}.chat-welcome{text-align:center;padding:22px 6px}.chat-emblem{display:grid;place-items:center;width:47px;height:47px;border-radius:15px;background:#e8f3db;font-size:20px;color:#729653;margin:0 auto 17px}.chat-welcome h2{font-size:22px;margin-bottom:12px}.chat-welcome p{font-size:12px;color:#8c987f;line-height:1.9}.chat-starters{display:grid;gap:9px;max-width:440px;margin:26px auto 0}.chat-starters button{border:1px solid #e3e9d9;padding:11px 14px;border-radius:8px;text-align:left;font-size:12px;background:#fafcf7;display:flex;justify-content:space-between;gap:14px}.chat-starters button:hover{background:#f0f7e7}.chat-message{margin-bottom:25px}.chat-role{font-size:10px;color:#8d9d7c;margin-bottom:7px}.chat-text{font-size:14px;line-height:1.95;word-break:break-word}.chat-message.user{margin-left:14%;text-align:right}.chat-message.user .chat-text{display:inline-block;text-align:left;background:#e9f2df;border:1px solid #dfe9d4;padding:12px 17px;border-radius:13px 0 13px 13px;white-space:normal}.chat-message.assistant{padding-right:15px}.chat-message.assistant .chat-text strong{color:#456435}.chat-sources{border-top:1px solid #e8eddf;margin-top:16px;padding-top:12px;font-size:10px;color:#96a389}.chat-sources a{display:block;color:#6a8454;font-size:11px;margin-top:7px}.chat-sources small{display:block;color:#99a28f;font-size:9px;line-height:1.7}.chat-status,.chat-error{font-size:11px;color:#9b7148;margin-top:9px;line-height:1.8}.chat-error:empty{display:none}.thinking{color:#91a27e;font-size:12px}.chat-compose{padding:17px 22px 10px;border-top:1px solid #e6ecde;background:#fbfcf8}.chat-compose .field-label{margin:0 0 9px;font-size:11px}.chat-compose textarea{min-height:88px;max-height:220px;font-size:13px;padding:12px 15px;resize:vertical}.chat-compose-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:10px;gap:10px}.chat-compose-bottom>span{font-size:10px;color:#a1aa96}.chat-compose-bottom .btn{min-height:35px;padding:7px 15px}.chat-compose [hidden]{display:none!important}.chat-footnote{background:#fbfcf8;font-size:9px;line-height:1.8;color:#a1aa95;padding:0 22px 15px}.chat-course-note{margin:20px 0;font-size:11px;color:#80916e}.chat-course-note summary{cursor:pointer}.chat-course-note .bubble{margin-top:14px}.grading-card{border:1px solid #dce9cb;background:#f6faef;padding:25px;border-radius:13px;margin-top:28px;scroll-margin-top:20px}.grading-card h3{font-size:18px;margin:12px 0}.grade-number{font-size:35px;line-height:1.3;color:#587e3d;white-space:nowrap;font-weight:600}.grade-number small{font-size:12px;color:#8c9f7c;font-weight:400}.grade-summary{font-size:13px;line-height:1.9;margin:15px 0}.grade-criteria{margin:22px 0}.grade-criteria article{padding:14px 0;border-top:1px solid #e0e9d4}.grade-criteria strong{font-size:12px;font-weight:550}.grade-criteria .row-between>span{white-space:nowrap;font-size:12px;color:#79965d}.grade-criteria p{font-size:12px;color:#8b987e;margin:8px 0 0;line-height:1.9}.grading-card h4{font-size:13px;margin-top:23px}.grading-card ul{font-size:12px;line-height:1.9;padding-left:20px;color:#72835f}.grade-stale{font-size:11px;background:#fff5dc;color:#997643;padding:10px 13px;border-radius:6px;margin:14px 0}.grade-example{background:#fff;border:1px solid #e4eadb;padding:17px;border-radius:9px;margin-top:20px;font-size:12px}.grade-example strong{font-size:11px;color:#8c9e77}.grade-example p{margin-top:9px;line-height:1.9}.grading-card details{margin:18px 0;font-size:11px;color:#8a9b76}.grading-card summary{cursor:pointer}.grade-original{margin:12px 0;color:#71845e}.grade-original p{line-height:1.9;white-space:pre-wrap}.grading-error{background:#fcf6eb;border-color:#ecdcc4;font-size:12px;color:#987c52}.grade-complete{font-size:11px;color:#7e9566}.grading-card>.self-note{margin-top:15px;font-size:10px!important}@media(min-width:1350px){.chat-messages{height:min(59vh,650px)}}
/* Keep the horizontal knowledge directory from widening narrow desktop windows. */
.topic-panel{min-width:0}.topic-list{min-width:0}.chat-text{overflow-wrap:anywhere}@media(max-width:900px){.study-layout{grid-template-columns:minmax(0,1fr)}}