.chat-course-bar{display:flex;align-items:center;gap:12px;padding:12px 24px;border-bottom:1px solid var(--line,#e4e7ed);background:var(--card,#fff);flex-shrink:0;box-shadow:0 3px 12px #1b315105;z-index:2}
.chat-course-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#e9f2ed;color:#22614a;font-size:25px;flex-shrink:0}
.chat-course-label{flex:1;min-width:0;line-height:1.3}.chat-course-label>span{display:block;text-transform:uppercase;letter-spacing:.08em;font-size:10px;font-weight:700;color:var(--ink-faint,#77808c);margin-bottom:3px}.chat-course-label strong{display:block;font-size:14px;color:var(--ink,#1f2937);overflow-wrap:anywhere}.chat-course-label small{display:block;font-size:11px;color:var(--ink-soft,#637080);margin-top:3px}
.chat-course-change{border:1px solid #bad2c4;background:#e9f3ed;color:#245f45;font:600 12px var(--sans,system-ui);padding:10px 13px;border-radius:10px;min-height:40px;cursor:pointer;white-space:nowrap;flex-shrink:0}.chat-course-change:hover{background:#dceee3}.chat-course-change:disabled{opacity:.55;cursor:wait}
.chat-subject-picker{background:var(--card,#fff);border:1px solid var(--line,#e4e7ed);border-radius:20px;padding:25px;margin:0 auto 24px;box-shadow:0 12px 35px #20372b06}.chat-subject-picker[hidden]{display:none}.chat-picker-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.chat-picker-step{color:#28644a;font-weight:700;font-size:16px;letter-spacing:.04em}.chat-picker-step>span{color:#a1aaa5;font-weight:400}.chat-picker-links{display:flex;gap:10px}.chat-picker-back{background:none;border:0;padding:8px 3px;font:600 12px var(--sans,system-ui);color:#446757;cursor:pointer;min-height:36px}.chat-subject-picker h2{font-size:23px;line-height:1.2;letter-spacing:-.025em;color:var(--ink,#24352d);margin:0 0 8px;outline:none}.chat-picker-intro{font-size:13px;line-height:1.6;color:var(--ink-soft,#67766f);margin:0 0 20px}
.chat-course-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.chat-course-group{display:flex;flex-direction:column;align-items:flex-start;gap:7px;border:1px solid var(--line,#e1e7e2);background:var(--card,#fff);border-radius:13px;text-align:left;padding:18px;font:inherit;color:var(--ink,#24352d);cursor:pointer;min-width:0;transition:border-color .15s,background .15s}.chat-course-group:hover{background:#f4f8f5;border-color:#7da98d}.chat-course-scheme{text-transform:uppercase;letter-spacing:.07em;font-size:10px;color:#5f7868;font-weight:700}.chat-course-group strong{font-size:15px;line-height:1.5}.chat-course-group>span:not(.chat-course-scheme){font-size:12px;color:var(--ink-soft,#67766f)}.chat-course-group small{display:flex;justify-content:space-between;width:100%;font-size:11px;color:#497459;border-top:1px solid var(--line,#e3e9e5);padding-top:12px;margin-top:5px}
.chat-course-subjects{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.chat-course-subject{display:flex;flex-direction:column;align-items:flex-start;text-align:left;gap:7px;min-width:0;padding:15px;border:1px solid var(--line,#e1e7e2);border-radius:12px;background:var(--card,#fff);color:var(--ink,#24352d);font:inherit;cursor:pointer}.chat-course-subject:hover,.chat-course-subject.is-selected{border-color:#7da98d;background:#f1f7f3}.chat-course-code{font-size:10px;letter-spacing:.04em;font-weight:700;color:#60816c;overflow-wrap:anywhere}.chat-course-subject strong{font-size:13px;line-height:1.45;overflow-wrap:anywhere}.chat-course-coverage{display:flex;justify-content:space-between;width:100%;font-size:10px;color:#6e7b73;margin-top:auto;padding-top:6px}.chat-course-subject:disabled{opacity:.6;cursor:wait}.chat-picker-foot{border-top:1px solid var(--line,#e4e9e5);padding-top:16px;margin:20px 0 0;color:#7c8880;font-size:11px;line-height:1.6}.chat-picker-error{color:#a53636;background:#fff2f0;border-radius:9px;padding:12px;font-size:13px}.chat-course-loading{padding:30px 0;color:#78847d;font-size:13px}
.chat-course-bar button:focus-visible,.chat-subject-picker button:focus-visible{outline:2px solid #428864;outline-offset:3px}.chat-input-inner textarea:disabled,.chat-input-inner button:disabled,.chat-input-inner select:disabled{opacity:.5;cursor:not-allowed}
@media(max-width:600px){.chat-course-bar{padding:10px 14px;gap:9px}.chat-course-icon{display:none}.chat-course-label strong{font-size:12px}.chat-course-label small{font-size:10px}.chat-course-change{font-size:11px;padding:9px 10px}.chat-subject-picker{padding:18px;border-radius:16px}.chat-subject-picker h2{font-size:21px}.chat-course-group{padding:13px;gap:6px}.chat-course-group strong{font-size:12px}.chat-course-subjects{grid-template-columns:1fr}.chat-picker-links{gap:7px}}