:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f6f4ef;--surface:#fff;--ink:#1b1f24;--muted:#69717c;--line:#d9ded8;--accent:#256d5a;--accent-strong:#164537;--warn:#8a5b00;--danger:#b42318;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:var(--bg);min-height:100vh;color:var(--ink);margin:0}button,textarea,input{font:inherit}button,.primary-link{border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;border-radius:8px;padding:10px 12px;text-decoration:none}button:hover,.primary-link:hover{border-color:var(--accent)}button:disabled{cursor:not-allowed;opacity:.5}.signin,.centered{place-items:center;min-height:100vh;padding:32px;display:grid}.signin section,.centered{max-width:720px}.signin h1,.centered h1{margin:0 0 16px;font-size:clamp(36px,7vw,76px);line-height:.98}.signin p,.centered p{color:var(--muted);font-size:18px;line-height:1.5}.primary-link{background:var(--accent);color:#fff;margin-top:18px;display:inline-flex}.setup-warning,.error-banner{color:var(--danger);background:#fff4f2;border:1px solid #f4b4af;border-radius:8px;margin-top:16px;padding:12px}.app-shell{grid-template-columns:minmax(320px,380px) minmax(0,1fr);min-height:100vh;display:grid}.app-shell.panel-collapsed{grid-template-columns:minmax(0,1fr)}.rail{border-right:1px solid var(--line);background:#eff1eb;flex-direction:column;gap:14px;min-width:0;height:100vh;padding:20px;display:flex;position:sticky;top:0}.brand{gap:2px;margin-bottom:28px;display:grid}.brand span,.eyebrow{color:var(--accent);letter-spacing:0;text-transform:uppercase;font-size:12px;font-weight:700}.brand strong{font-size:25px}.rail-nav{gap:8px;display:grid}.rail button{text-align:left}.rail .nav-active{border-color:var(--accent);background:#dfe9e3}.rail-user{color:var(--muted);overflow-wrap:anywhere;gap:8px;margin-top:auto;display:grid}.rail-user span{color:var(--ink);font-weight:700}.workspace{min-width:0;padding:22px}.workspace-toolbar{margin-bottom:14px;display:flex}.workspace-toolbar button{padding:8px 11px}.learning-view{min-width:0}.module-picker{flex-direction:column;flex:1;gap:10px;min-height:0;display:flex}.module-search{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--ink);border-radius:8px;padding:10px 12px}.module-list{flex-direction:column;flex:1;gap:6px;min-height:0;padding-right:3px;display:flex;overflow:auto}.section-heading{color:var(--muted);text-transform:uppercase;justify-content:space-between;align-items:center;gap:12px;padding:8px 0;font-size:13px;font-weight:700;display:flex}.module-row{text-align:left;gap:4px;width:100%;display:grid}.module-row.selected{border-color:var(--accent);background:#e3ede8}.module-row strong{font-size:14px}.module-row span,.module-row small,.muted{color:var(--muted)}.module-workspace{gap:18px;min-width:0;display:grid}.module-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:24px;padding-bottom:18px;display:flex}.module-header h2{margin:0;font-size:34px;line-height:1.05}.module-header p{max-width:820px;color:var(--muted)}.study-layout{grid-template-columns:minmax(0,1fr) minmax(300px,420px);align-items:start;gap:18px;display:grid}.curriculum,.chat-panel,.assessment-panel,.admin-panel{border:1px solid var(--line);background:var(--surface);border-radius:8px}.curriculum{padding:24px;line-height:1.65}.curriculum p,.curriculum ul,.curriculum ol,.chat-markdown p,.chat-markdown ul,.chat-markdown ol{margin:0 0 18px}.curriculum li,.chat-markdown li{margin:4px 0}.curriculum h1,.curriculum h2,.curriculum h3{line-height:1.15}.curriculum h1{font-size:32px}.curriculum h2{margin-top:32px;font-size:22px}.curriculum code,.chat-markdown code{border:1px solid var(--line);background:#f4f6f3;border-radius:5px;padding:1px 5px;font-size:.92em}.code-block{color:#dff5ed;white-space:pre;background:#111816;border-radius:8px;padding:14px;overflow:auto}.code-block code{color:inherit;background:0 0;border:0;padding:0}.mermaid-diagram,.diagram-loading,.diagram-error{border:1px solid var(--line);background:#fbfcfa;border-radius:8px;margin:18px 0 24px;padding:16px}.mermaid-diagram svg{width:100%;max-width:760px;height:auto;margin:0 auto;display:block}.diagram-loading,.diagram-error{color:var(--muted)}.diagram-error{gap:8px;display:grid}.chat-panel{gap:12px;padding:16px;display:grid;position:sticky;top:22px}.chat-panel h3{margin:0}.chat-log{gap:10px;max-height:42vh;display:grid;overflow:auto}.chat-turn{border-left:3px solid var(--line);padding-left:10px}.chat-turn.assistant{border-left-color:var(--accent)}.chat-turn p{white-space:pre-wrap;margin:4px 0 0}.chat-markdown p,.chat-markdown ul,.chat-markdown ol{white-space:normal;margin-bottom:10px}.chat-markdown :last-child{margin-bottom:0}.chat-form{gap:8px;display:grid}.chat-form textarea{resize:vertical;border:1px solid var(--line);border-radius:8px;width:100%;padding:10px}.assessment-panel,.admin-panel{padding:18px}.practice-header,.test-modal-header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.practice-header h3,.test-modal-header h3{margin:0;font-size:22px}.practice-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.practice-question{border:1px solid var(--line);background:#fbfcfa;border-radius:8px;grid-template-columns:42px 1fr;align-items:start;gap:12px;padding:14px;display:grid}.practice-question span{color:var(--accent);font-weight:800}.practice-question p{margin:0;font-size:18px;line-height:1.35}.practice-form{gap:8px;display:grid}.practice-form label,.feedback-label{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;font-size:12px;font-weight:800}.practice-form textarea{resize:vertical;border:1px solid var(--line);border-radius:8px;width:100%;padding:10px}.practice-feedback{border-left:4px solid var(--line);background:#fbfcfa;border-radius:8px;gap:10px;padding:14px;display:grid}.practice-feedback.solid{border-left-color:var(--accent)}.practice-feedback.partly_correct{border-left-color:#c99324}.practice-feedback.needs_work{border-left-color:var(--danger)}.assessment-panel ol{gap:10px;margin:0;padding-left:20px;display:grid}.scoreline{border-bottom:1px solid var(--line);justify-content:space-between;gap:12px;padding-bottom:10px;display:flex}.answer-correct{color:var(--accent-strong);font-weight:700}.answer-wrong{color:var(--danger);font-weight:700}.mcq{gap:10px;display:grid}.mcq h4,.mcq-feedback h4{margin:0;font-size:20px}.mcq-options{gap:10px;display:grid}.mcq-option{border:1px solid var(--line);text-align:left;background:#fff;border-radius:8px;grid-template-columns:32px 1fr;align-items:start;gap:0;padding:10px 12px;display:grid}.mcq-option span{color:var(--accent);font-weight:800}.mcq-option.selected-correct,.mcq-option.correct-answer{color:var(--accent-strong);background:#eef8f3;border-color:#8cc4a2}.mcq-option.selected-wrong{color:var(--danger);background:#fff1f0;border-color:#f0aaa3}.mcq-option-body{gap:8px;min-width:0;display:grid}.review-option.has-feedback .mcq-option-body{grid-template-columns:minmax(0,.95fr) minmax(240px,1.05fr);align-items:start}.mcq-option-text{min-width:0}.inline-answer-note{border-left:3px solid var(--line);color:var(--ink);background:#ffffff9e;border-radius:8px;gap:6px;padding:10px 12px;display:grid}.inline-answer-note.correct{border-left-color:var(--accent)}.inline-answer-note.wrong{border-left-color:var(--danger)}.inline-answer-note p,.inline-answer-note ul,.inline-answer-note ol{margin:0 0 8px}.inline-answer-note :last-child{margin-bottom:0}.inline-answer-note span{color:var(--muted);font-weight:400}.mcq-feedback{gap:14px;display:grid}.modal-backdrop{z-index:30;background:#1b1f246b;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.test-modal,.practice-modal{border:1px solid var(--line);background:var(--surface);border-radius:8px;gap:16px;max-height:min(820px,100vh - 48px);padding:22px;display:grid;overflow:auto;box-shadow:0 24px 80px #1b1f2447}.test-modal{width:min(940px,100%)}.practice-modal{width:min(820px,100%)}.pending-bar{z-index:8;color:var(--accent-strong);background:#eef8f3;border:1px solid #b8d5ca;border-radius:8px;align-items:center;gap:12px;margin-bottom:14px;padding:12px;display:flex;position:sticky;top:14px}.pending-bar.compact{margin:0;padding:10px;position:static}.pending-bar.compact .spinner{width:16px;height:16px}.pending-bar div{gap:2px;display:grid}.pending-bar span:not(.spinner){color:var(--muted);font-size:13px}.spinner{border:2px solid #bed8cf;border-top-color:var(--accent);border-radius:999px;width:18px;height:18px;animation:.85s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{gap:4px;margin:0 0 14px;display:grid}.impersonation-banner{z-index:9;color:#523d00;background:#fff8df;border:1px solid #e6c569;border-radius:8px;justify-content:space-between;align-items:center;gap:14px;margin-bottom:14px;padding:12px;display:flex;position:sticky;top:0}.impersonation-banner div{gap:2px;display:grid}.impersonation-banner span{color:#715c16}.admin-tabs{gap:8px;margin-bottom:16px;display:flex}.admin-tabs .active{border-color:var(--accent);background:#e3ede8}.admin-list{gap:8px;display:grid}.admin-row{border-top:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:10px;padding:12px 0;display:grid}.admin-row div{gap:3px;min-width:0;display:grid}.admin-row span,.admin-row small{color:var(--muted);overflow-wrap:anywhere}.event-table{gap:8px;display:grid}.event-table details{border-top:1px solid var(--line);padding:10px 0}.event-table summary{cursor:pointer;justify-content:space-between;gap:16px;display:flex}.event-table pre{color:#dff5ed;background:#111816;border-radius:8px;padding:12px;overflow:auto}@media (width<=1080px){.app-shell,.study-layout{grid-template-columns:1fr}.rail{height:auto;position:static}.chat-panel{position:static}.review-option.has-feedback .mcq-option-body{grid-template-columns:1fr}}@media (width<=720px){.modal-backdrop{padding:12px}.practice-header,.test-modal-header{flex-direction:column}.practice-actions{justify-content:flex-start}}
