:root{font-family:Inter,Segoe UI,Arial,sans-serif;color:#182b34;background:#f3f5f3;font-size:15px;line-height:1.55;--green:#155d50;--line:#dce3de}*{box-sizing:border-box}body{margin:0}header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 3vw;background:white;border-bottom:1px solid var(--line)}a{color:var(--green)}.brand{text-decoration:none;font-size:22px;font-weight:800;letter-spacing:-.7px}.brand span{font-size:15px;font-weight:400;color:#65756e;letter-spacing:0}main{max-width:1600px;margin:auto;padding:30px 3vw}h1{font-size:32px;letter-spacing:-1px;line-height:1.2;margin:8px 0 16px}h2{font-size:20px;letter-spacing:-.3px;margin:0 0 14px}h3{font-size:16px}p{margin:10px 0 17px}.eyebrow{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;font-weight:700;color:var(--green)}.muted,small{color:#68786f}button,.button{font:inherit;cursor:pointer;border:1px solid var(--line);border-radius:8px;background:white;color:var(--green);padding:9px 15px;display:inline-block;text-decoration:none;font-weight:600}button:hover,.button:hover{border-color:var(--green);background:#eff7f2}button.primary{background:var(--green);color:white;border-color:var(--green)}button:disabled{opacity:.5;cursor:wait}button.active{background:#dfefe7;border-color:var(--green)}input,select,textarea{font:inherit;color:inherit;border:1px solid #bac9bf;border-radius:7px;padding:9px 11px;width:100%;background:#fff}textarea{resize:vertical;min-height:85px}label{display:block;margin:12px 0 6px;font-size:13px;font-weight:600}.code{font-family:Consolas,monospace;font-size:13px;line-height:1.6;background:#f6f8f7;min-height:140px;tab-size:4}.grid{display:grid;grid-template-columns:310px minmax(380px,1fr) 270px;gap:20px;align-items:start}.card{border:1px solid var(--line);background:white;border-radius:13px;padding:22px;margin-bottom:18px}.login{max-width:460px;margin:8vh auto}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.pills{display:flex;gap:7px;flex-wrap:wrap}.pill{background:#edf2ef;border-radius:5px;padding:4px 8px;font-size:12px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.stat{background:#f1f6f2;border-radius:8px;padding:12px}.stat b{display:block;font-size:27px}.stat span{font-size:12px;color:#68786f}.scroll{overflow:auto;max-height:460px}table{border-collapse:collapse;width:100%;white-space:nowrap;font-size:12px}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}th{background:#f1f5f2;position:sticky;top:0}.hint{border-left:3px solid #d6a54d;padding-left:13px}.check{padding:7px 0;border-bottom:1px solid #edf1ee;display:flex;justify-content:space-between}.done{color:var(--green);font-weight:700}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f1f5f2;border-radius:7px;padding:12px;font-size:12px}.topbar{margin-bottom:22px}#notice{position:sticky;top:0;z-index:4;background:#fff1d5;color:#664516;padding:0 3vw}#notice:not(:empty){padding:12px 3vw}.danger{color:#a33025}.dashboard{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.dashboard .card{margin:0}.progress{height:7px;border-radius:5px;background:#e8eee9;margin:18px 0;overflow:hidden}.progress span{height:100%;display:block;background:#247461}.projector h1{font-size:45px}.projector .card{padding:30px}.projector .stat b{font-size:45px}.foot{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:#68786f}.help{background:#fff1d5;color:#704808}.tabs{margin-bottom:18px}details{margin:12px 0}summary{cursor:pointer;color:var(--green);font-weight:600}.history{max-height:220px;overflow:auto}.wide{grid-column:1/-1}@media(max-width:1150px){.grid{grid-template-columns:280px 1fr}.right{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:20px}}@media(max-width:750px){.grid{display:block}header{padding:12px;height:auto;gap:12px}.brand span{display:none}main{padding:22px 12px}h1{font-size:26px}.right{display:block}.stats{gap:5px}.stat{padding:8px}}
.review-item{padding:15px 0;border-bottom:1px solid var(--line)}.review-item p{margin:8px 0}.review-item button{margin-top:10px}.right .review-item .row{gap:5px}.right .review-item small{overflow-wrap:anywhere}
.course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(340px,100%),1fr));gap:18px}.course-grid .card{margin:0}.course-filters{display:flex;gap:18px;flex-wrap:wrap}.course-filters label{flex:1;min-width:170px}.course-grid progress{width:100%;accent-color:var(--green)}.notebook-source{white-space:pre-wrap;max-width:100%;overflow-wrap:anywhere}.button.primary{background:var(--green);color:white}
.inline-check{width:auto;vertical-align:middle}dialog{border:1px solid var(--line);border-radius:14px;padding:25px;width:min(900px,94vw);max-height:88vh;color:inherit}dialog::backdrop{background:#172b3480}.reference-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7}#reference-results{margin-top:20px}#teaching-controls{margin-top:14px}

#data-source{padding:12px 3vw;display:flex;gap:14px;align-items:baseline;flex-wrap:wrap;border-bottom:1px solid var(--line)}#data-source[hidden]{display:none}#data-source.synthetic{background:#fff1d5;color:#664516}#data-source.extract{background:#e2f0e8;color:#164d3c}#data-source span{font-size:13px}

#module-navigation{padding:14px 3vw;background:white;border-bottom:1px solid var(--line)}.inspection-grid{display:grid;grid-template-columns:minmax(260px,330px) minmax(0,1fr);gap:22px}.inspection-grid button{margin-top:8px}#m1-detail{margin-top:24px}@media(max-width:850px){.inspection-grid{display:block}}

#ai-launcher{position:fixed;bottom:18px;right:22px;z-index:20;background:var(--green);color:white;box-shadow:0 3px 18px #182b3433}#ai-panel{position:fixed;right:0;top:0;bottom:0;width:min(470px,100vw);z-index:30;background:white;box-shadow:-5px 0 28px #182b3433;padding:22px;overflow-y:auto;border-left:1px solid var(--line)}#ai-panel[hidden],#ai-menu[hidden]{display:none}#ai-panel h2{margin:0}#ai-history{max-height:38vh;overflow-y:auto;border-bottom:1px solid var(--line);margin-bottom:15px}.ai-turn{padding:12px 0;border-top:1px solid var(--line)}.ai-answer{white-space:pre-wrap;overflow-wrap:anywhere}.ai-turn blockquote{font-size:12px;white-space:pre-wrap;border-left:3px solid var(--line);padding-left:12px;margin:8px 0}#ai-fragment{max-height:130px;overflow:auto}.ai-quick{gap:6px}.ai-quick button{font-size:12px;padding:6px 9px}#ai-panel textarea{min-height:90px}#ai-menu{position:fixed;z-index:50;padding:5px;background:white;border:1px solid var(--line);border-radius:8px;box-shadow:0 3px 16px #182b3433}#ai-status{font-size:13px}body:has(#ai-launcher) main{padding-bottom:90px}

.classic-frame{width:100%;height:calc(100vh - 262px);min-height:480px;border:1px solid var(--line);border-radius:8px;margin-top:6px;display:block}#classic-root{padding:10px 14px;margin-bottom:8px}.classic-bar{display:flex;justify-content:space-between;align-items:center;gap:8px 14px;flex-wrap:wrap;margin-bottom:6px}.classic-bar .tabs{margin:0}.classic-bar .row{gap:8px}#classic-root button,#classic-root .button{padding:5px 11px;font-size:14px}#classic-status{font-size:13px}#classic-assessment{font-size:13px}.classic-more{margin:0;position:relative}.classic-more summary{font-size:13px}.classic-more-body{position:absolute;right:0;top:26px;z-index:5;width:min(560px,90vw);background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px 16px 14px;box-shadow:0 8px 24px rgba(0,0,0,.12);font-size:14px}#classic-template{background:#fff1d5;border-radius:8px;padding:4px 12px;margin:4px 0}#classic-template p{margin:6px 0}

/* Compact page shell: more room for the working area. */
header{height:46px}.brand{font-size:18px}.brand span{font-size:13px}#identity button{padding:4px 12px}
#data-source{padding:4px 3vw;gap:10px}#data-source span{font-size:12px}
#module-navigation{padding:5px 3vw;flex-wrap:nowrap;overflow-x:auto;gap:6px}#module-navigation .button{padding:3px 10px;font-size:13px;font-weight:600;white-space:nowrap;border-radius:6px}
main{padding:12px 3vw}
.module-head{display:flex;align-items:center;gap:6px 18px;flex-wrap:wrap;margin-bottom:8px}.module-head h1{font-size:22px;margin:0;letter-spacing:-.4px}.module-head .tabs{margin:0;gap:6px}.module-head .tabs button{padding:4px 11px;font-size:14px}
@media(max-width:750px){header{height:auto}.classic-frame{height:75vh}}