html[data-theme] body.theme-graphite .brand.brand-current{aspect-ratio:639/172;background:0 0;border-radius:5px;flex-shrink:0;width:210px;max-width:100%;margin:0;display:block;position:relative;overflow:hidden}html[data-theme] body.theme-graphite .brand.brand-current img{filter:none;width:135.524%;max-width:none;height:auto;display:block;position:absolute;top:-31.977%;left:-17.684%}html[data-theme=light] body.theme-graphite .brand.brand-current{mix-blend-mode:normal}html[data-theme] body.theme-graphite .sidebar .brand.brand-current{width:184px}html[data-theme] body.theme-graphite .admin-topbar .brand.brand-current{width:210px}html[data-theme] body.theme-graphite .auth-story .brand.brand-current{width:270px}html[data-theme] body.theme-graphite .brand.brand-current.brand-current-compact{aspect-ratio:172/172;width:42px}html[data-theme] body.theme-graphite .brand.brand-current.brand-current-compact img{width:503.488%;left:-65.698%}html[data-theme] body.theme-graphite .classroom-workspace .sidebar:not(.is-open) .brand.brand-current-compact{aspect-ratio:172/172;width:42px}html[data-theme] body.theme-graphite .classroom-workspace .sidebar:not(.is-open) .brand.brand-current-compact img{filter:none;width:503.488%;top:-31.977%;left:-65.698%}html[data-theme] body.theme-graphite .brand.brand-current img.brand-logo-dark{display:none!important}.course-cover-signature img.brand-logo-dark,html[data-theme=dark] .course-cover-signature img.brand-logo-light{display:none}html[data-theme=dark] .course-cover-signature img.brand-logo-dark{display:block}html[data-theme=dark] body.theme-graphite .brand.brand-current img.brand-logo-light{display:none!important}html[data-theme=dark] body.theme-graphite .brand.brand-current img.brand-logo-dark{width:119.604%;top:-27.159%;left:-11.784%;display:block!important}html[data-theme=dark] body.theme-graphite .brand.brand-current.brand-current-compact img.brand-logo-dark{width:456.303%;top:-26.891%;left:-44.958%}@media (max-width:600px){html[data-theme] body.theme-graphite .admin-topbar .brand.brand-current{width:145px}html[data-theme] body.theme-graphite .mobile-brand .brand.brand-current{width:210px}}
.QR_5wq_root{color:var(--text);font-size:13px}.QR_5wq_root .QR_5wq_mascot{z-index:80;cursor:grab;touch-action:none;width:96px;height:96px;transform:rotate(var(--lean,0deg));background:0 0;border:0;padding:0;transition:transform .25s;position:fixed}.QR_5wq_root .QR_5wq_mascot:active{cursor:grabbing}.QR_5wq_root .QR_5wq_mascot:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:18px}.QR_5wq_root .QR_5wq_mascot img{object-fit:contain;pointer-events:none;width:100%;height:100%}.QR_5wq_root .QR_5wq_float{width:100%;height:100%;animation:5s ease-in-out infinite QR_5wq_float;display:block}.QR_5wq_root .QR_5wq_mascot:active .QR_5wq_float{animation-play-state:paused}.QR_5wq_root .QR_5wq_mascot[data-state=dragging] .QR_5wq_float{animation:none}.QR_5wq_root .QR_5wq_float:has([data-lumi-motion=false]){animation:none}.QR_5wq_root .QR_5wq_mascot[data-state=assistant] .QR_5wq_float,.QR_5wq_root .QR_5wq_mascot[data-state=thinking] .QR_5wq_float{animation-duration:7s}@keyframes QR_5wq_float{0%,to{transform:translateY(0)rotate(-1deg)}50%{transform:translateY(-4px)rotate(1deg)}}.QR_5wq_root .QR_5wq_panel{z-index:79;background:var(--surface);border:1px solid var(--border);border-radius:16px;flex-direction:column;animation:.15s ease-out QR_5wq_appear;display:flex;position:fixed;overflow:hidden;box-shadow:0 12px 40px #0003}@keyframes QR_5wq_appear{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.QR_5wq_root header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:10px;padding:18px;display:flex}.QR_5wq_root header img{object-fit:contain;width:36px;height:36px}.QR_5wq_root header div{flex:1;min-width:0}.QR_5wq_root header strong{letter-spacing:-.3px;font-size:17px}.QR_5wq_root .QR_5wq_headerAvatar{flex-shrink:0;width:44px;height:44px}.QR_5wq_root small{color:var(--muted);margin-top:4px;font-size:11px;line-height:1.5;display:block}.QR_5wq_root button{color:var(--text);font:inherit}.QR_5wq_root header button,.QR_5wq_root footer button{cursor:pointer;background:0 0;border:0;align-items:center;gap:4px;padding:6px;display:flex}.QR_5wq_root button:focus-visible,.QR_5wq_root textarea:focus-visible{outline:2px solid var(--blue);outline-offset:2px}.QR_5wq_root .QR_5wq_log{overscroll-behavior:contain;scrollbar-width:thin;flex:1;min-height:0;padding:20px 18px;overflow:auto}.QR_5wq_root .QR_5wq_log p{white-space:pre-wrap;overflow-wrap:anywhere;margin:0 0 10px;line-height:1.7}.QR_5wq_root .QR_5wq_welcome{background:var(--active-surface);border-radius:14px;margin-bottom:22px;padding:20px}.QR_5wq_root .QR_5wq_welcome>svg{color:var(--blue-light);margin-bottom:12px}.QR_5wq_root .QR_5wq_welcome h2{letter-spacing:-.4px;margin:0 0 8px;font-size:19px;line-height:1.4}.QR_5wq_root .QR_5wq_welcome p{color:var(--muted);font-size:12px}.QR_5wq_root .QR_5wq_suggestions{flex-wrap:wrap;gap:8px;margin-top:17px;display:flex}.QR_5wq_root .QR_5wq_suggestions button{background:var(--surface);border:1px solid var(--border);color:var(--blue-light);cursor:pointer;border-radius:8px;align-items:center;gap:7px;padding:10px;font-size:12px;display:flex}.QR_5wq_root .QR_5wq_user,.QR_5wq_root .QR_5wq_answer{align-items:flex-start;gap:8px;margin:0 0 22px;display:flex}.QR_5wq_root .QR_5wq_user{justify-content:flex-end;padding-left:32px}.QR_5wq_root .QR_5wq_replyAvatar{flex-shrink:0;width:30px;height:30px;margin-top:22px}.QR_5wq_root .QR_5wq_messageBody{min-width:0;max-width:100%}.QR_5wq_root .QR_5wq_messageBody>small{margin:0 0 7px}.QR_5wq_root .QR_5wq_user .QR_5wq_messageBody>small{text-align:right}.QR_5wq_root .QR_5wq_bubble{background:var(--raised);overflow-wrap:anywhere;border-radius:4px 13px 13px;padding:14px;line-height:1.7}.QR_5wq_root .QR_5wq_user .QR_5wq_bubble{color:#fff;background:#2563eb;border-radius:13px 4px 13px 13px}.QR_5wq_root .QR_5wq_bubble p:last-child{margin-bottom:0}.QR_5wq_root .QR_5wq_bubble h3{margin:16px 0 8px;font-size:14px;line-height:1.5}.QR_5wq_root .QR_5wq_bubble h3:first-child{margin-top:0}.QR_5wq_root .QR_5wq_bubble :is(ol,ul){margin:10px 0 14px;padding-left:22px}.QR_5wq_root .QR_5wq_bubble li{margin:7px 0;padding-left:3px}.QR_5wq_root .QR_5wq_bubble li::marker{color:var(--blue-light);font-weight:600}.QR_5wq_root .QR_5wq_bubble a{color:var(--blue-light);text-underline-offset:3px;text-decoration:underline}.QR_5wq_root .QR_5wq_bubble pre{border:1px solid var(--border);white-space:pre;border-radius:7px;max-width:100%;padding:10px;font-size:12px;overflow:auto}.QR_5wq_root .QR_5wq_bubble code{background:var(--surface);border-radius:3px;padding:1px 3px;font-size:.92em}.QR_5wq_root .QR_5wq_copy{color:var(--muted);cursor:pointer;background:0 0;border:0;align-items:center;gap:5px;padding:8px 0 0;font-size:11px;display:flex}.QR_5wq_root .QR_5wq_thinking{background:var(--raised);border-radius:12px;gap:5px;width:fit-content;margin-left:38px;padding:15px;display:flex}.QR_5wq_root .QR_5wq_thinking>span:not(.QR_5wq_srOnly){background:var(--muted);border-radius:50%;width:6px;height:6px;animation:1.2s infinite QR_5wq_thinking}.QR_5wq_root .QR_5wq_thinking>span:nth-child(2){animation-delay:.15s}.QR_5wq_root .QR_5wq_thinking>span:nth-child(3){animation-delay:.3s}.QR_5wq_root .QR_5wq_srOnly{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@keyframes QR_5wq_thinking{50%{opacity:.35;transform:translateY(-3px)}}.QR_5wq_root .QR_5wq_notice{color:var(--muted);margin:0;padding:8px 12px;font-size:12px}.QR_5wq_root form{border-top:1px solid var(--border);flex-shrink:0;padding:14px 18px 8px}.QR_5wq_root .QR_5wq_composer{align-items:flex-end;gap:8px;display:flex}.QR_5wq_root textarea{box-sizing:border-box;resize:none;overscroll-behavior:contain;background:var(--field-background,var(--surface));min-width:0;min-height:44px;max-height:128px;color:var(--text);border:1px solid var(--border);font:inherit;border-radius:10px;flex:1;padding:12px;line-height:1.5;overflow-y:auto}.QR_5wq_root form button{color:#fff;cursor:pointer;background:#2563eb;border:0;border-radius:8px;padding:10px}.QR_5wq_root button:disabled{opacity:.5;cursor:default}.QR_5wq_root .QR_5wq_keyboardHint{margin-top:7px;font-size:10px}.QR_5wq_root footer{color:var(--muted);flex-shrink:0;align-items:flex-start;gap:6px;padding:8px 18px 14px;font-size:10px;line-height:1.5;display:flex}.QR_5wq_root footer>svg{flex-shrink:0;margin-top:1px}.QR_5wq_root footer span{flex:1}.QR_5wq_root footer button{color:var(--blue-light);padding:0;font-size:10px;text-decoration:underline}.QR_5wq_root .QR_5wq_settings{background:var(--raised);border-bottom:1px solid var(--border);padding:16px 20px}.QR_5wq_root .QR_5wq_settings label{align-items:center;gap:8px;display:flex}.QR_5wq_root .QR_5wq_settings button{cursor:pointer;color:var(--blue-light);background:0 0;border:0;align-items:center;gap:8px;padding:10px 0 0;display:flex}.QR_5wq_root .QR_5wq_privacy{background:var(--raised);color:var(--muted);max-height:110px;padding:12px 18px;font-size:11px;line-height:1.6;overflow:auto}@media (max-width:600px){.QR_5wq_root .QR_5wq_panel{z-index:81;height:calc(100dvh - 16px)!important;top:8px!important}.QR_5wq_root .QR_5wq_log{padding:16px 12px}.QR_5wq_root header{padding:14px 12px}.QR_5wq_root header strong{font-size:16px}.QR_5wq_root header small{font-size:10px}.QR_5wq_root .QR_5wq_welcome{padding:16px}.QR_5wq_root form{padding:12px 12px 6px}.QR_5wq_root footer{padding:8px 12px 12px}}@media (prefers-reduced-motion:reduce){.QR_5wq_root .QR_5wq_thinking>span:not(.QR_5wq_srOnly),.QR_5wq_root .QR_5wq_float,.QR_5wq_root .QR_5wq_panel{animation:none}.QR_5wq_root .QR_5wq_mascot{transition:none;transform:none}}.QR_5wq_root[data-motion=true] .QR_5wq_float{animation-name:QR_5wq_float!important;animation-duration:5s!important;animation-timing-function:ease-in-out!important;animation-iteration-count:infinite!important}.QR_5wq_root[data-motion=true] .QR_5wq_float:has([data-lumi-motion=false]){animation:none!important}.QR_5wq_root[data-motion=true] .QR_5wq_mascot{transform:rotate(var(--lean,0deg));transition:transform .25s!important}.QR_5wq_root[data-motion=false] .QR_5wq_float{animation:none!important}.QR_5wq_root[data-motion=false] .QR_5wq_mascot{transform:none;transition:none!important}
._3nFiwq_artwork{pointer-events:none;width:100%;height:100%;display:block;position:relative}._3nFiwq_artwork img,._3nFiwq_face{object-fit:contain;width:100%;height:100%;position:absolute;inset:0}._3nFiwq_pupil{transform:translate(var(--eye-x,0px),var(--eye-y,0px));transition:transform .15s ease-out!important}._3nFiwq_brow{fill:none;stroke:#43ddff;stroke-width:3.5px;stroke-linecap:round;transition:transform .18s!important}._3nFiwq_openEye{transition:transform 90ms!important}._3nFiwq_artwork[data-expression=attention] ._3nFiwq_brow{transform:translateY(-2px)}._3nFiwq_artwork[data-expression=thinking] ._3nFiwq_pupil{transform:translate(2px,-3px)}._3nFiwq_artwork[data-expression=thinking] ._3nFiwq_brow{transform:rotate(-5deg)}._3nFiwq_artwork[data-lumi-state=responding] ._3nFiwq_face{filter:brightness(1.08)}._3nFiwq_artwork[data-lumi-motion=false] ._3nFiwq_pupil{transform:none;transition:none!important}._3nFiwq_artwork[data-lumi-motion=false] ._3nFiwq_openEye,._3nFiwq_artwork[data-lumi-motion=false] ._3nFiwq_brow{transition:none!important}
