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14px;font-size:.75rem;font-weight:800;display:inline-block}.page-module__tKAITa__articleTitle{color:var(--dm-tx-0f172a,var(--dm-tx-0f172a,#0f172a));margin-bottom:8px;font-size:2.2rem;font-weight:900;line-height:1.25}.page-module__tKAITa__articleSubtitle{color:var(--dm-tx-64748b,var(--dm-tx-64748b,#64748b));margin:0;font-size:1.1rem;font-weight:500}.page-module__tKAITa__contentSection{background:var(--dm-bg-ffffff,var(--dm-bg-ffffff,#fff));border:1px solid var(--dm-bd-e2e8f0,var(--dm-bd-e2e8f0,#e2e8f0));box-shadow:0 2px 12px var(--dm-bk-0_02,#00000005);border-radius:20px;margin-bottom:28px;padding:28px 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Code,monospace;font-size:13px;line-height:1.6;display:flex;overflow:hidden}.page-module__tKAITa__lineNumbers span{height:20.8px}.page-module__tKAITa__codeWindow{flex:1;height:100%;position:relative;overflow:hidden}.page-module__tKAITa__highlightLayer{white-space:pre;pointer-events:none;box-sizing:border-box;color:#e2e8f0;margin:0;padding:16px 20px;font-family:JetBrains Mono,Fira Code,Cascadia Code,monospace;font-size:13px;line-height:1.6;position:absolute;inset:0;overflow:hidden}.page-module__tKAITa__highlightLayer code{font-family:inherit;font-size:inherit;line-height:inherit}.page-module__tKAITa__codeArea{resize:none;box-sizing:border-box;tab-size:4;white-space:pre;z-index:1;border:none;outline:none;width:100%;height:100%;padding:16px 20px;font-family:JetBrains Mono,Fira Code,Cascadia Code,monospace;font-size:13px;line-height:1.6;position:absolute;top:0;left:0;overflow:auto;color:#0000!important;caret-color:#38bdf8!important;background:0 0!important}.page-module__tKAITa__codeArea::selection{background:#8b5cf666}@keyframes page-module__tKAITa__spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.page-module__tKAITa__editorActions{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;display:flex}.page-module__tKAITa__runBtn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#22c55e,#16a34a);border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:700;transition:all .2s;display:inline-flex;box-shadow:0 2px 8px #22c55e4d}.page-module__tKAITa__runBtn:hover{background:linear-gradient(135deg,#16a34a,#15803d);transform:translateY(-1px);box-shadow:0 4px 14px 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18px}.page-module__tKAITa__hintBoxTitle{color:var(--dm-tx-7c3aed,var(--dm-tx-7c3aed,#7c3aed));letter-spacing:.5px;text-transform:uppercase;margin-bottom:8px;font-size:12px;font-weight:700}.page-module__tKAITa__hintItem{color:var(--dm-tx-4c1d95,var(--dm-tx-4c1d95,#4c1d95));align-items:flex-start;gap:8px;padding:4px 0;font-size:13.5px;line-height:1.55;display:flex}.page-module__tKAITa__hintItemNum{color:#8b5cf6;flex-shrink:0;font-weight:700}.page-module__tKAITa__outputPanel{background:#020617;border:1px solid #1e293b;border-radius:12px;margin-bottom:20px;overflow:hidden}.page-module__tKAITa__outputTopBar{background:#0f172a;border-bottom:1px solid #1e293b;justify-content:space-between;align-items:center;padding:8px 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#1e293b;border-top-color:#8b5cf6;border-radius:50%;width:44px;height:44px;margin-bottom:18px;animation:.9s linear infinite page-module__tKAITa__spin}.page-module__tKAITa__pyodideLoaderText{color:var(--dm-tx-64748b,var(--dm-tx-64748b,#64748b));font-size:14px;font-weight:600}.page-module__tKAITa__pyodideLoaderSub{color:var(--dm-tx-334155,var(--dm-tx-334155,#334155));margin-top:6px;font-size:12px}.page-module__tKAITa__completionBanner{text-align:center;background:linear-gradient(135deg,#064e3b,#065f46);border:1px solid #059669;border-radius:14px;margin-top:8px;padding:24px 28px}.page-module__tKAITa__completionEmoji{margin-bottom:10px;font-size:40px;display:block}.page-module__tKAITa__completionTitle{color:#6ee7b7;margin-bottom:6px;font-size:22px;font-weight:800}.page-module__tKAITa__completionText{color:#a7f3d0;margin-bottom:20px;font-size:14px;line-height:1.6}.page-module__tKAITa__completionSkills{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.page-module__tKAITa__completionSkillChip{color:#6ee7b7;background:#064e3b99;border:1px solid #059669;border-radius:20px;padding:5px 12px;font-size:12px;font-weight:600}.page-module__tKAITa__mobileNotice{background:var(--dm-bg-fffbeb,var(--dm-bg-fffbeb,#fffbeb));border:1px solid var(--dm-bd-fde68a,var(--dm-bd-fde68a,#fde68a));text-align:center;color:#78350f;border-radius:12px;margin-bottom:20px;padding:18px 20px;font-size:14px;line-height:1.6;display:none}@media (max-width:768px){.page-module__tKAITa__mobileNotice{display:block}.page-module__tKAITa__codeArea{min-height:240px;font-size:12px}.page-module__tKAITa__projectTitle{font-size:22px}}.page-module__tKAITa__projectLayout{color:#e8eaf6;background:#0d0f14;flex-direction:column;height:100vh;font-family:Inter,-apple-system,sans-serif;display:flex;overflow:hidden}.page-module__tKAITa__splitPanel{flex:1;display:flex;overflow:hidden}.page-module__tKAITa__instructionsPanel{background:var(--dm-bg-ffffff,var(--dm-bg-ffffff,#fff));border-right:1px solid var(--dm-bd-e5e7eb,var(--dm-bd-e5e7eb,#e5e7eb));width:480px;min-width:320px;color:var(--dm-tx-0f172a,var(--dm-tx-0f172a,#0f172a));flex-direction:column;flex-shrink:0;padding:24px 28px 40px;display:flex;overflow-y:auto}.page-module__tKAITa__fileTab{color:#e2e8f0;background:#1a1d27;border:1px solid #323848;border-bottom:none;border-radius:8px 8px 0 0;align-items:center;gap:8px;margin-bottom:-1px;padding:6px 14px;font-size:.85rem;font-weight:700;display:inline-flex}.page-module__tKAITa__toolbarActions{align-items:center;gap:8px;display:flex}.page-module__tKAITa__solutionBtn{color:#94a3b8;cursor:pointer;background:0 0;border:1px solid #475569;border-radius:8px;align-items:center;gap:6px;padding:5px 12px;font-size:.78rem;font-weight:700;transition:all .15s;display:inline-flex}.page-module__tKAITa__solutionBtn:hover{color:#e2e8f0;background:#334155;border-color:#64748b}.page-module__tKAITa__codeWrap{background:#1a1d27;flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.page-module__tKAITa__cmMount{flex-direction:column;flex:1;display:flex;overflow:hidden}.CodeMirror{color:#e2e8f0!important;background:#1a1d27!important;flex:1!important;height:100%!important;font-family:Consolas,Cascadia Code,Courier 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16px;font-size:.75rem;font-weight:700;display:flex}.page-module__tKAITa__outputTabActive{color:var(--dm-tx-7c3aed,var(--dm-tx-7c3aed,#7c3aed));border-bottom:2px solid #7c3aed;padding-bottom:2px}.page-module__tKAITa__outputBox,.page-module__tKAITa__expectedBox{color:#94a3b8;flex:1;padding:12px 16px;font-family:JetBrains Mono,Fira Code,Courier New,monospace;font-size:.82rem;line-height:1.6;overflow-y:auto}.page-module__tKAITa__outputBox{border-right:1px solid #1f2937}.page-module__tKAITa__outputBoxLabel{letter-spacing:.08em;color:#4a5568;margin-bottom:6px;font-size:.68rem;font-weight:800}.page-module__tKAITa__outputPlaceholder{color:var(--dm-tx-374151,var(--dm-tx-374151,#374151));font-style:italic}.page-module__tKAITa__outputSuccess{color:#34d399}.page-module__tKAITa__outputError{color:#f87171}.page-module__tKAITa__hintSection{margin-top:16px}.page-module__tKAITa__hintBtn{background:var(--dm-bg-fffbeb,var(--dm-bg-fffbeb,#fffbeb));color:var(--dm-tx-92400e,var(--dm-tx-92400e,#92400e));cursor:pointer;border:1px solid #fcd34d;border-radius:8px;align-items:center;gap:6px;padding:6px 14px;font-size:.82rem;font-weight:700;transition:all .15s;display:inline-flex}.page-module__tKAITa__hintBtn:hover{background:var(--dm-bg-fef3c7,var(--dm-bg-fef3c7,#fef3c7))}@media (max-width:900px){.page-module__tKAITa__splitPanel{flex-direction:column}.page-module__tKAITa__instructionsPanel{border-right:none;border-bottom:1px solid var(--dm-bd-e5e7eb,var(--dm-bd-e5e7eb,#e5e7eb));width:100%;max-height:45vh}}.page-module__tKAITa__codingContainer{color:#e8eaf6;background-color:#0d0f14;flex-direction:column;width:100vw;height:100vh;font-family:Inter,-apple-system,sans-serif;display:flex;overflow:hidden}.page-module__tKAITa__topHeader{background:var(--dm-bg-ffffff,var(--dm-bg-ffffff,#fff));border-bottom:1px solid var(--dm-bd-e5e7eb,var(--dm-bd-e5e7eb,#e5e7eb));height:56px;color:var(--dm-tx-1f2937,var(--dm-tx-1f2937,#1f2937));z-index:50;flex-shrink:0;justify-content:space-between;align-items:center;padding:0 20px;display:flex}.page-module__tKAITa__headerLeft{align-items:center;gap:16px;display:flex}.page-module__tKAITa__btnClose{border:1px solid var(--dm-bd-e5e7eb,var(--dm-bd-e5e7eb,#e5e7eb));background:var(--dm-bg-ffffff,var(--dm-bg-ffffff,#fff));width:36px;height:36px;color:var(--dm-tx-4b5563,var(--dm-tx-4b5563,#4b5563));cursor:pointer;border-radius:10px;justify-content:center;align-items:center;text-decoration:none;transition:all .15s;display:flex}.page-module__tKAITa__btnClose:hover{background:var(--dm-bg-f3f4f6,var(--dm-bg-f3f4f6,#f3f4f6));color:var(--dm-tx-111827,var(--dm-tx-111827,#111827))}.page-module__tKAITa__navGroup{align-items:center;gap:6px;display:flex}.page-module__tKAITa__navBtnHeader{background:var(--dm-bg-f1f5f9,var(--dm-bg-f1f5f9,#f1f5f9));color:var(--dm-tx-334155,var(--dm-tx-334155,#334155));border:1px solid var(--dm-bd-cbd5e1,var(--dm-bd-cbd5e1,#cbd5e1));border-radius:8px;padding:4px 10px;font-size:.8rem;font-weight:700;text-decoration:none;transition:all .15s}.page-module__tKAITa__navBtnHeader:hover{background:var(--dm-bg-e2e8f0,var(--dm-bg-e2e8f0,#e2e8f0));color:var(--dm-tx-0f172a,var(--dm-tx-0f172a,#0f172a))}.page-module__tKAITa__navBtnHeaderDisabled{background:var(--dm-bg-f8fafc,var(--dm-bg-f8fafc,#f8fafc));color:#94a3b8;border:1px solid var(--dm-bd-e2e8f0,var(--dm-bd-e2e8f0,#e2e8f0));cursor:not-allowed;border-radius:8px;padding:4px 10px;font-size:.8rem;font-weight:700}.page-module__tKAITa__headerLessonTitle{color:var(--dm-tx-111827,var(--dm-tx-111827,#111827));font-size:1.15rem;font-weight:800}.page-module__tKAITa__headerRight{align-items:center;gap:18px;display:flex}.page-module__tKAITa__statItem{align-items:center;gap:5px;font-size:.9rem;font-weight:800;display:flex}.page-module__tKAITa__statFlame{color:#f97316}.page-module__tKAITa__statGems{color:#f59e0b}.page-module__tKAITa__statEnergy{color:#3b82f6}.page-module__tKAITa__userAvatar{color:#fff;background:#2563eb;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;font-size:.9rem;font-weight:700;display:flex}.page-module__tKAITa__workspace{flex:1;display:flex;position:relative;overflow:hidden}.page-module__tKAITa__iconSidebar{background:var(--dm-bg-ffffff,var(--dm-bg-ffffff,#fff));border-right:1px solid var(--dm-bd-e5e7eb,var(--dm-bd-e5e7eb,#e5e7eb));flex-direction:column;flex-shrink:0;align-items:center;gap:16px;width:52px;padding:16px 0;display:flex}.page-module__tKAITa__sideIconBtn{width:38px;height:38px;color:var(--dm-tx-6b7280,var(--dm-tx-6b7280,#6b7280));cursor:pointer;background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;transition:all .15s;display:flex}.page-module__tKAITa__sideIconBtn:hover{background:var(--dm-bg-f3f4f6,var(--dm-bg-f3f4f6,#f3f4f6));color:#1a9be8}.page-module__tKAITa__sideIconBtnActive{color:#1a9be8;background:#e8f4fd}.page-module__tKAITa__lessonPanel{background:var(--dm-bg-ffffff,var(--dm-bg-ffffff,#fff));color:var(--dm-tx-1f2937,var(--dm-tx-1f2937,#1f2937));border-right:1px solid var(--dm-bd-e5e7eb,var(--dm-bd-e5e7eb,#e5e7eb));flex:1;max-width:50%;padding:32px 40px;overflow-y:auto}.page-module__tKAITa__lessonHeader{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.page-module__tKAITa__lessonMainTitle{color:var(--dm-tx-111827,var(--dm-tx-111827,#111827));font-size:1.8rem;font-weight:900}.page-module__tKAITa__tldrBadgeGroup{gap:8px;display:flex}.page-module__tKAITa__tldrBtn{background:var(--dm-bg-f3f4f6,var(--dm-bg-f3f4f6,#f3f4f6));border:1px solid var(--dm-bd-e5e7eb,var(--dm-bd-e5e7eb,#e5e7eb));color:var(--dm-tx-6b7280,var(--dm-tx-6b7280,#6b7280));cursor:pointer;border-radius:8px;padding:4px 10px;font-size:.75rem;font-weight:700}.page-module__tKAITa__lessonParagraph{color:var(--dm-tx-374151,var(--dm-tx-374151,#374151));margin-bottom:16px;font-size:1rem;line-height:1.7}.page-module__tKAITa__analogyCardWorkspace{background:var(--dm-bg-f0f9ff,var(--dm-bg-f0f9ff,#f0f9ff));border-left:4px solid #0284c7;border-radius:12px;margin:20px 0;padding:18px 20px;box-shadow:0 2px 8px #0284c70f}.page-module__tKAITa__analogyTitleWorkspace{color:var(--dm-tx-0369a1,var(--dm-tx-0369a1,#0369a1));align-items:center;gap:8px;margin-bottom:6px;font-size:.95rem;font-weight:800;display:flex}.page-module__tKAITa__analogyTextWorkspace{color:#0c4a6e;font-size:.92rem;line-height:1.6}.page-module__tKAITa__exampleBlock{background:#0d0f14;border:1px solid #2d3248;border-radius:12px;margin:20px 0;padding:16px 20px}.page-module__tKAITa__exampleHeader{color:#9aa3c2;text-transform:uppercase;letter-spacing:.5px;justify-content:space-between;align-items:center;margin-bottom:10px;font-size:.78rem;font-weight:800;display:flex}.page-module__tKAITa__exampleCode{color:#f8f8f2;white-space:pre-wrap;font-family:JetBrains Mono,monospace;font-size:.88rem;line-height:1.65}.page-module__tKAITa__takeawaysBox{background:var(--dm-bg-f8fafc,var(--dm-bg-f8fafc,#f8fafc));border:1px solid var(--dm-bd-e2e8f0,var(--dm-bd-e2e8f0,#e2e8f0));border-radius:12px;margin:20px 0 28px;padding:18px 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