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var(--neon-yellow);outline-offset:2px}.postTutorialChoiceTitle{color:var(--text-strong);font-weight:800;text-transform:uppercase;letter-spacing:.8px}.postTutorialChoiceDescription{color:var(--text-soft);font-size:.88rem;line-height:1.45}.authGateView{padding:24px}.authGateCard{border:1px solid var(--panel-border-strong);border-radius:8px;background:var(--home-card-bg);box-shadow:0 18px 40px var(--shadow-strong)}.authGateEyebrow{margin-bottom:12px;color:var(--hot);text-transform:uppercase;letter-spacing:3px;font-size:.85rem;font-family:var(--font-display)}.authGateMeta{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:18px}.authGateError{margin:0 auto 18px;max-width:480px;padding:12px 14px;border:1px solid var(--danger-accent);border-radius:8px;background:var(--danger-bg);color:var(--text-strong)}.authGateNotice{margin:0 auto 18px;max-width:480px;padding:12px 14px;border:1px solid var(--success-accent);border-radius:8px;background:var(--success-bg);color:var(--text-strong)}.authModeTabs{display:flex;gap:8px;max-width:520px;margin:0 auto 18px;padding:4px;border:1px solid var(--glass-border);border-radius:8px;background:var(--panel-translucent)}.authModeTab{flex:1;min-width:0;border:1px solid transparent;border-radius:6px;padding:10px 12px;background:transparent;color:var(--text-soft);font-family:var(--font);font-size:12px;letter-spacing:1px;text-transform:uppercase;cursor:pointer}.authModeTab.active{border-color:var(--accent-primary);background:var(--info-bg);color:var(--text-strong)}.authOAuthButton{width:min(520px,100%);margin:0 auto 14px;justify-content:center;min-height:44px;background:var(--panel-solid);border-color:var(--panel-border-strong);color:var(--text-strong)}.authForm{width:min(520px,100%);margin:0 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auto;max-height:none;overflow:visible}.guestDemoDek{max-width:620px;margin-inline:auto;color:var(--text-strong);font-size:1.08rem}.guestDemoCopy{max-width:620px;margin:0 auto 22px;text-align:left;color:var(--text-soft);line-height:1.55}.guestDemoCopy a{color:var(--accent-primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}.guestDemoCopy a:hover,.guestDemoCopy a:focus-visible{color:var(--text-strong)}.guestDemoCopy h2{margin:20px 0 8px;color:var(--accent-primary);font-family:var(--font-display);font-size:1rem;letter-spacing:.8px}.guestDemoCopy h2 a{color:inherit;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}.guestDemoCopy h2 a:hover,.guestDemoCopy h2 a:focus-visible{color:var(--text-strong)}.guestDemoCopy p{margin:0 0 12px}.guestDemoLead{margin-bottom:8px}.guestDemoLearningRow{display:flex;align-items:center;gap:10px;margin:0 0 12px}.guestDemoLearningLabel{color:var(--text-strong);font:800 1.05rem 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var(--font);cursor:pointer}.guestDemoInfoButton:hover,.guestDemoInfoButton:focus-visible{border-color:var(--accent-primary);color:var(--text-strong);outline:none}.guestDemoModalOverlay{position:fixed;inset:0;z-index:1200;display:flex;align-items:center;justify-content:center;padding:24px;background:#000000b8}.guestDemoModal{width:min(1120px,100%);max-height:min(760px,calc(100vh - 48px));overflow:auto;padding:24px;border:1px solid var(--panel-border-strong);border-radius:10px;background:var(--panel-solid);box-shadow:0 24px 60px var(--shadow-strong);color:var(--text-main);text-align:left}.guestDemoModalHeader{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:14px}.guestDemoModalHeader h2{margin:0;color:var(--text-strong);font-family:var(--font-display);font-size:1.2rem;line-height:1.25}.guestDemoModalClose{display:inline-flex;align-items:center;justify-content:center;flex:0 0 36px;width:36px;height:36px;border:1px solid var(--glass-border);border-radius:8px;background:var(--panel-translucent);color:var(--text-strong);font:700 22px var(--font);cursor:pointer}.guestDemoModal>p{margin:0 0 16px;color:var(--text-soft);line-height:1.6}.guestDemoTableWrap{overflow-x:auto;margin:18px 0;border:1px solid var(--panel-border);border-radius:8px}.guestDemoPrincipleTable{width:100%;min-width:860px;border-collapse:collapse;color:var(--text-main);font-size:.9rem;line-height:1.55}.guestDemoPrincipleTable th,.guestDemoPrincipleTable td{padding:14px;border-bottom:1px solid var(--panel-border);text-align:left;vertical-align:top}.guestDemoPrincipleTable thead th{color:var(--text-strong);font-weight:800;background:var(--panel-muted)}.guestDemoPrincipleTable tbody th{width:23%;color:var(--text-strong);font-weight:800}.guestDemoPrincipleTable td:nth-child(2){width:32%}.guestDemoPrincipleTable tr:last-child th,.guestDemoPrincipleTable tr:last-child td{border-bottom:0}.guestDemoPrincipleTable 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0;max-height:180px;overflow:auto;white-space:pre-wrap;word-break:break-word;color:var(--text-soft)}.authDebugTitle{margin-bottom:8px;color:var(--cool);text-transform:uppercase;letter-spacing:2px;font-family:var(--font-display)}:root[data-theme=light] .shell{box-shadow:0 0 32px #0e749014,0 0 0 1px #ffffff80 inset,0 24px 48px #1629331f}:root[data-theme=light] .crt-overlay{background:linear-gradient(#fff0 50%,#17202a03 50%),linear-gradient(90deg,#2563eb02,#ffffff01,#2563eb02);animation:none;opacity:.18}:root[data-theme=light] .scanline{display:none}:root[data-theme=light] .timer{text-shadow:none}:root[data-theme=light] .btn,:root[data-theme=light] .pill,:root[data-theme=light] .topbarMenuButton,:root[data-theme=light] .field,:root[data-theme=light] .workspaceToggleBtn,:root[data-theme=light] .tabBtn{box-shadow:none}:root[data-theme=light] .btn{background:var(--button-secondary-bg);color:var(--text-strong)}:root[data-theme=light] .btn.subtle{background:var(--button-secondary-bg)}:root[data-theme=light] .btn:hover{border-color:var(--accent-primary);box-shadow:0 0 0 1px var(--panel-border-strong);text-shadow:none}:root[data-theme=light] .btn:before{background:linear-gradient(90deg,transparent,rgba(14,116,144,.08),transparent)}:root[data-theme=light] .btn.primary{background:var(--button-primary-bg);border-color:var(--button-primary-bg);color:var(--button-primary-text)}:root[data-theme=light] .btn.primary:hover{background:var(--button-primary-hover);border-color:var(--button-primary-hover)}:root[data-theme=light] .topbar,:root[data-theme=light] .chatHeader,:root[data-theme=light] .proctorInputDock,:root[data-theme=light] .sessionProctorWrap,:root[data-theme=light] .right-col{background:#ffffff9e}:root[data-theme=light] .problem,:root[data-theme=light] .readyGate,:root[data-theme=light] .constraintItem,:root[data-theme=light] .exampleCard,:root[data-theme=light] .msg.proctor,:root[data-theme=light] 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10px;font-size:2rem;color:var(--cool);font-family:var(--font-display);text-transform:uppercase;letter-spacing:1px}.campaignIntro p{margin:0;color:var(--text-soft);max-width:760px}.campaignEmpty{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:22px;border:1px solid var(--panel-border);background:var(--home-card-bg);border-radius:14px}.campaignEmpty h2,.campaignSetTitleBlock h2,.campaignProblemTitleRow h3{margin:0;font-family:var(--font-display)}.campaignEmpty p,.campaignSetTitleBlock p,.campaignProblemTitleRow p{margin:0;color:var(--text-soft)}.campaignSections{display:flex;flex-direction:column;gap:18px}.campaignSetCard{display:flex;flex-direction:column;gap:16px;padding:20px;border:1px solid var(--panel-border);border-radius:16px;background:linear-gradient(180deg,var(--panel-overlay),var(--panel-muted)),var(--panel-overlay);box-shadow:0 16px 32px #00000024}.campaignSetHeader{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.campaignSetTitleBlock{display:flex;flex-direction:column;gap:8px}.campaignSetEyebrow{color:var(--text-muted);text-transform:uppercase;letter-spacing:2px;font-size:12px}.campaignSetSummary{min-width:230px;display:flex;flex-direction:column;align-items:flex-end;gap:12px}.campaignSummaryStats{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.campaignSummaryStats span{padding:6px 10px;border:1px solid var(--panel-border);border-radius:999px;color:var(--text-main);background:var(--panel-translucent);font-size:12px;letter-spacing:.4px;text-transform:uppercase}.campaignProblemList{display:flex;flex-direction:column;gap:12px}.campaignProblemRow{display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:14px;align-items:center;padding:14px;border-radius:12px;border:1px solid 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