@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:#ffffffde;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#242424;font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}a{color:#646cff;-webkit-text-decoration:inherit;text-decoration:inherit;font-weight:500}a:hover{color:#535bf2}body{min-width:320px;min-height:100vh;margin:0;overflow-x:hidden}h1{font-size:3.2em;line-height:1.1}button{cursor:pointer;background-color:#1a1a1a;border:1px solid #0000;border-radius:8px;padding:.6em 1.2em;font-family:inherit;font-size:1em;font-weight:500;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--lab-indigo:#5850ec;--deep-slate:#1f2937;--surface-white:#fff;--xp-amethyst:#8b5cf6;--success-mint:#10b981;--warning-amber:#f59e0b;--bg-app:#f9fafb;--neutral-gray:#6b7280;--border-color:#e5e7eb;--radius-lg:16px;--radius-md:10px;--sidebar-width:260px;--max-content-width:1400px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--deep-slate);min-height:100vh;font-family:Plus Jakarta Sans,sans-serif}.app-shell{grid-template-columns:var(--sidebar-width) 1fr;width:100vw;min-height:100vh;display:grid;overflow:hidden}.app-shell.high-focus-layout{grid-template-columns:1fr}.desktop-sidebar{background:var(--deep-slate);color:#fff;border-right:1px solid #ffffff1a;flex-direction:column;height:100vh;padding:32px 20px;display:flex;position:sticky;top:0}.nav-item{border-radius:var(--radius-md);color:#94a3b8;cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;margin-bottom:8px;padding:12px 16px;font-family:inherit;font-weight:600;transition:all .2s;display:flex}.nav-item:hover{color:#fff;background:#ffffff0d}.nav-item.active{background:var(--lab-indigo);color:#fff}.main-content{flex-direction:column;width:100%;min-width:0;min-height:100vh;display:flex}.workspace-container{width:100%;max-width:var(--max-content-width);flex:1;margin:0 auto;padding:40px;overflow-y:auto}.high-focus-layout .workspace-container{max-width:850px}.app-header{border-bottom:1px solid var(--border-color);z-index:10;background:#fff;justify-content:space-between;align-items:center;height:72px;padding:0 40px;display:flex;position:sticky;top:0}.exit-btn{color:var(--deep-slate);cursor:pointer;background:#f3f4f6;border:none;border-radius:8px;align-items:center;gap:8px;padding:8px 16px;font-weight:600;transition:all .2s;display:flex}.exit-btn:hover{background:#e5e7eb}@media (prefers-color-scheme:dark){:root{--bg-app:#111827;--surface-white:#1f2937;--border-color:#374151;--neutral-gray:#9ca3af}body{background-color:var(--bg-app);color:#f3f4f6}.app-header{background:var(--surface-white);border-bottom-color:var(--border-color)}.exit-btn{color:#f3f4f6;background:#374151}.exit-btn:hover{background:#4b5563}.card,.reading-passage,.reorder-item{background:var(--surface-white);border-color:var(--border-color)}.passage-text{color:#f3f4f6}.mobile-nav{background:var(--surface-white);border-top-color:var(--border-color)}.mobile-nav-item{color:var(--neutral-gray)}.mobile-nav-item.active{color:var(--lab-indigo)}.lesson-footer{background:var(--surface-white);border-top-color:var(--border-color)}}.xp-badge{background:#8b5cf61a;border:1px solid #8b5cf633;border-radius:20px;align-items:center;gap:8px;padding:6px 14px;display:flex}.xp-text{color:var(--xp-amethyst);font-size:14px;font-weight:800}.card{border:1px solid var(--border-color);border-radius:var(--radius-lg);background:#fff;padding:24px;box-shadow:0 1px 3px #0000000d}@media (max-width:768px){.app-shell{grid-template-columns:1fr}.desktop-sidebar{display:none}.workspace-container{padding:20px}.app-header{padding:0 20px}}.mobile-nav{display:none}@media (max-width:768px){.mobile-nav{border-top:1px solid var(--border-color);height:70px;padding-bottom:env(safe-area-inset-bottom);z-index:100;background:#fff;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0}.mobile-nav-item{color:var(--neutral-gray);text-transform:uppercase;cursor:pointer;background:0 0;border:none;flex-direction:column;align-items:center;gap:4px;font-size:10px;font-weight:700;display:flex}.mobile-nav-item.active{color:var(--lab-indigo)}.workspace-container{padding-bottom:100px}.workspace-grid{grid-template-columns:1fr!important}.reading-pane,.question-pane{width:100%}.lesson-footer{border-top:1px solid var(--border-color);z-index:99;background:#fff;justify-content:center;padding:16px 20px;display:flex;bottom:70px;left:0;right:0}.lesson-footer .btn-primary{width:100%;max-width:400px}}.lesson-footer{border-top:1px solid var(--border-color);background:#fff;justify-content:center;padding:20px;display:flex}.lesson-footer .btn-primary{max-width:var(--max-content-width);width:100%}.test-hub-view{padding:20px}.test-hub-view h1{color:var(--deep-slate);font-size:2rem;font-weight:800}.test-hub-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-top:30px;display:grid}.hub-module-btn{border:1px solid var(--border-color);text-align:left;cursor:pointer;background:#fff;border-radius:16px;padding:24px;transition:all .2s}.hub-module-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.hub-module-btn .icon-wrapper{color:#fff;border-radius:10px;margin-bottom:10px;padding:10px;display:inline-block}.hub-module-btn h4{color:var(--deep-slate);font-weight:800}.section-header{border:1px solid var(--border-color);background:#f8fafc;border-radius:12px;margin-bottom:20px;padding:20px}.section-header h2{color:var(--deep-slate);font-size:1.2rem;font-weight:800}.section-header .subtitle{color:#64748b;margin-top:4px;font-size:.9rem}.section-header .description{color:var(--lab-indigo);margin-top:8px;font-size:.85rem;font-weight:600}.section-instructions{border-left:4px solid var(--warning-amber);color:#78350f;white-space:pre-wrap;background:#fffbeb;border-radius:6px;margin-top:12px;padding:12px 16px;font-size:.85rem}.section-tabs{border-bottom:2px solid var(--border-color);flex-wrap:wrap;gap:8px;margin-bottom:16px;padding-bottom:8px;display:flex}@media (max-width:600px){.section-tabs{flex-wrap:wrap;gap:4px;padding-bottom:4px}.section-tab{white-space:nowrap;flex-shrink:0;padding:6px 10px;font-size:.8rem}.passage-tabs{flex-wrap:wrap;gap:6px}.tab{flex-shrink:0;min-width:auto;padding:8px 12px;font-size:.85rem}}@media (max-width:400px){.section-tabs{gap:3px}.section-tab{padding:5px 8px;font-size:.75rem}.passage-tabs{gap:4px}.tab{padding:5px 10px;font-size:.8rem}}.workspace-grid{grid-template-columns:1fr 1fr;gap:30px;display:grid}.workspace-grid.single-column{grid-template-columns:1fr}.drill-flow{max-width:800px;margin:0 auto}.ielts-mock-container{width:100%}.footer-buttons{gap:10px;display:flex}.btn-finish{background:var(--success-mint);color:#fff;cursor:pointer;border:none;border-radius:10px;align-items:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:700;transition:all .2s;display:flex}.btn-finish:hover{background:#059669;transform:translateY(-1px)}@media (prefers-color-scheme:dark){.test-hub-view h1{color:#f3f4f6}.hub-module-btn{background:var(--surface-white);border-color:var(--border-color)}.hub-module-btn h4{color:#f3f4f6}.hub-module-btn:hover{box-shadow:0 4px 12px #0000004d}.section-header{background:var(--surface-white);border-color:var(--border-color)}.section-header h2{color:#f3f4f6}.section-header .subtitle{color:#9ca3af}.section-instructions{color:#fcd34d;border-left-color:var(--warning-amber);background:#f59e0b1a}.section-tabs{border-bottom-color:var(--border-color)}.workspace-grid{gap:20px}}@media (max-width:768px){.workspace-grid{grid-template-columns:1fr}.test-hub-grid{grid-template-columns:1fr 1fr}}:root{--bg-dark:#020617;--bg-card:#0f172a;--mint:#10b981;--cyan:#06b6d4;--text-primary:#f8fafc;--text-secondary:#94a3b8;--border:#1e293b}.landing-container{background-color:var(--bg-dark);color:var(--text-primary);width:100vw;min-height:100vh;font-family:Inter,system-ui,sans-serif}.navbar{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:1.5rem 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2rem;font-size:1rem;font-weight:700;transition:transform .2s;display:inline-block;position:relative}.btn-primary:hover{transform:translateY(-2px)}.cta-hint{color:var(--text-secondary);margin-top:10px;font-size:.8rem}.lab-card{background:var(--bg-card);border:1px solid var(--border);border-radius:24px;padding:2rem;box-shadow:0 20px 40px #0006}.card-header{justify-content:space-between;margin-bottom:2rem;display:flex}.task-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;font-size:.7rem}.status-indicator{font-size:.7rem;font-weight:800}.status-indicator.active{color:var(--mint)}.status-indicator.paused{color:#f43f5e}.xp-monitor{text-align:center;margin-bottom:2rem}.xp-value{font-family:monospace;font-size:5rem;font-weight:900}.xp-sub{color:var(--text-secondary);text-transform:uppercase;font-size:.7rem}.demo-block{background:var(--bg-dark);border:1px solid var(--border);border-radius:8px;margin-bottom:8px;padding:12px;font-size:.8rem}.focus-btn{border:1px dashed var(--mint);width:100%;color:var(--mint);cursor:pointer;background:0 0;border-radius:12px;padding:1rem;font-weight:700}.demo-footer{text-align:center;color:var(--text-secondary);margin-top:1rem;font-size:.7rem}.features-grid{grid-template-columns:repeat(3,1fr);gap:2rem;max-width:1200px;margin:0 auto;padding:5rem 5%;display:grid}.feature-card{border:1px solid var(--border);background:#0f172a66;border-radius:16px;padding:2rem}.feature-icon{margin-bottom:1rem;font-size:2rem}@media (max-width:900px){.hero{text-align:center;grid-template-columns:1fr}.hero-subtext{margin:0 auto 2.5rem}h1{font-size:3rem}.features-grid{grid-template-columns:1fr}}.xp-badge{background:#8b5cf61a;border:1px solid #8b5cf633;border-radius:20px;align-items:center;gap:8px;padding:6px 14px;transition:all .4s cubic-bezier(.175,.885,.32,1.275);display:flex}.xp-badge.paused{filter:grayscale();opacity:.6;background:#6b72801a;border-color:#6b728033;transform:scale(.95)}.xp-badge span{color:var(--xp-amethyst);font-variant-numeric:tabular-nums;font-size:14px;font-weight:800}.xp-badge.active-pulse{animation:2s ease-in-out infinite xp-pulse}@keyframes xp-pulse{0%{box-shadow:0 0 #8b5cf666}70%{box-shadow:0 0 0 10px #8b5cf600}to{box-shadow:0 0 #8b5cf600}}.dashboard-container{flex-direction:column;gap:24px;animation:.5s ease-out fade-in;display:flex}.user-hero{align-items:center;gap:16px;padding:8px 4px;display:flex}.avatar-circle{background:linear-gradient(135deg, var(--lab-indigo), var(--xp-amethyst));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;font-size:20px;font-weight:800;display:flex;box-shadow:0 4px 12px #5850ec4d}.user-meta h2{margin-bottom:2px;font-size:18px;font-weight:800}.rank-badge{color:var(--xp-amethyst);text-transform:uppercase;letter-spacing:1px;font-size:11px;font-weight:700}.momentum-card{background:var(--deep-slate);border-radius:var(--radius-lg);color:#fff;cursor:pointer;padding:20px;position:relative;overflow:hidden}.momentum-card:after{content:"";background:var(--lab-indigo);filter:blur(50px);opacity:.4;width:150px;height:150px;position:absolute;top:-50%;right:-20%}.momentum-label{opacity:.6;text-transform:uppercase;letter-spacing:1px;font-size:10px;font-weight:800}.module-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.module-card{border-radius:var(--radius-lg);border:1px solid var(--border-color);cursor:pointer;background:#fff;flex-direction:column;gap:12px;padding:20px;transition:transform .2s,border-color .2s;display:flex}.module-card:active{border-color:var(--lab-indigo);transform:scale(.96)}.module-icon{border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.module-name{font-size:15px;font-weight:700}.module-count{color:var(--neutral-gray);font-size:12px}.btn-back-link{color:var(--lab-indigo);cursor:pointer;background:0 0;border:none;align-items:center;gap:8px;padding:0;font-weight:700;display:flex}.task-selection-card{border-radius:var(--radius-lg);border:1px solid var(--border-color);cursor:pointer;background:#fff;transition:transform .2s;overflow:hidden}.task-card-main{justify-content:space-between;align-items:flex-start;padding:20px;display:flex}.task-difficulty{color:var(--xp-amethyst);text-transform:uppercase;align-items:center;gap:4px;margin-bottom:4px;font-size:10px;font-weight:800;display:flex}.task-title{font-size:17px;font-weight:800}.task-desc{color:var(--neutral-gray);margin-top:4px;font-size:13px}.task-xp-badge{background:var(--bg-app);color:var(--lab-indigo);border-radius:8px;padding:4px 10px;font-size:12px;font-weight:800}.task-card-footer{background:var(--bg-app);color:var(--lab-indigo);border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:12px 20px;font-size:12px;font-weight:700;display:flex}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.dashboard-wrapper{max-width:1200px;margin:0 auto;padding:20px}.dashboard-hero{color:#fff;background:linear-gradient(135deg,#1e293b 0%,#0f172a 100%);border-radius:24px;margin-bottom:20px;padding:24px 20px;position:relative;overflow:hidden}.dashboard-hero-content{z-index:2;position:relative}.dashboard-hero h1{margin-bottom:10px;font-size:1.6rem;font-weight:800}.dashboard-hero p{opacity:.8;max-width:600px;font-size:.95rem;line-height:1.5}.dashboard-hero .xp-badge-container{margin-top:16px}.dashboard-hero-icon{opacity:.1;color:#fff;position:absolute;bottom:-40px;right:-20px;transform:rotate(-15deg)}@media (max-width:768px){.dashboard-hero{margin-bottom:20px;padding:24px 20px}.dashboard-hero h1{font-size:1.4rem}.dashboard-hero p{font-size:.9rem}.dashboard-hero-icon{width:120px;height:120px}.exam-card{max-width:220px;padding:16px}.exam-card h3{font-size:1rem}.exam-card p{font-size:.8rem}}.dashboard-section-header{margin-bottom:20px}.dashboard-section-header h2{font-size:1.3rem;font-weight:700}.dashboard-section-header p{color:#64748b;margin:0;font-size:.9rem}@media (max-width:768px){.dashboard-section-header{margin-bottom:16px}.dashboard-section-header h2{font-size:1.1rem}.dashboard-section-header p{font-size:.85rem}}.exam-selection-grid{scrollbar-width:thin;scrollbar-color:#e2e8f0 transparent;flex-direction:row;gap:16px;margin-bottom:20px;padding-bottom:8px;display:flex;overflow:auto hidden}.exam-selection-grid::-webkit-scrollbar{height:6px}.exam-selection-grid::-webkit-scrollbar-track{background:0 0}.exam-selection-grid::-webkit-scrollbar-thumb{background-color:#e2e8f0;border-radius:3px}.exam-card{border:1px solid var(--border-color);cursor:pointer;text-align:center;background:#fff;border-radius:16px;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;max-width:220px;min-height:180px;padding:20px;transition:transform .2s,box-shadow .2s;display:flex}.exam-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0000001a}.exam-card:active{transform:scale(.98)}.exam-card-icon{color:#fff;border-radius:12px;justify-content:center;align-items:center;width:40px;height:40px;margin-bottom:14px;display:flex}.exam-card h3{word-wrap:break-word;overflow-wrap:break-word;white-space:normal;max-width:100%;margin:0 0 6px;font-size:1rem;font-weight:800}.exam-card p{color:#64748b;word-wrap:break-word;overflow-wrap:break-word;white-space:normal;max-width:100%;margin:0;font-size:.8rem}.extra-tools-grid,.exam-selection-grid{scrollbar-width:thin;scrollbar-color:#e2e8f0 transparent;flex-direction:row;gap:16px;margin-bottom:20px;padding-bottom:8px;display:flex;overflow:auto hidden}.extra-tools-grid::-webkit-scrollbar{height:6px}.extra-tools-grid::-webkit-scrollbar-track{background:0 0}.extra-tools-grid::-webkit-scrollbar-thumb{background-color:#e2e8f0;border-radius:3px}.extra-tools-grid .exam-card{text-align:center;cursor:pointer;-webkit-user-select:none;user-select:none;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:14px;min-width:160px;min-height:180px;padding:16px;display:flex}.extra-tools-grid .exam-card-icon{border-radius:10px;width:auto;min-width:36px;height:auto;margin-bottom:0;padding:8px}.extra-tools-grid .exam-card h4{margin:0;font-size:.95rem;font-weight:800}.extra-tools-grid .exam-card p{color:#64748b;margin:0;font-size:.8rem}@media (prefers-color-scheme:dark){.dashboard-wrapper{background:var(--bg-app)}.dashboard-hero{background:linear-gradient(135deg,#1e293b 0%,#0f172a 100%)}.dashboard-section-header h2{color:#fff}.dashboard-section-header p{color:#94a3b8!important}.exam-card{background:var(--surface-white)!important;border-color:var(--border-color)!important}.exam-card:hover{box-shadow:0 8px 24px #0000004d}.exam-card h3,.exam-card h4{color:#fff!important}.exam-card p{color:#94a3b8!important}.module-card{background:var(--surface-white)!important;border-color:var(--border-color)!important}.module-name{color:#fff}.module-count{color:#94a3b8}.task-selection-card{background:var(--surface-white)!important;border-color:var(--border-color)!important}.task-title{color:#fff}.task-desc{color:#94a3b8}.task-xp-badge{background:var(--bg-app)}.task-card-footer{background:var(--bg-app);border-top-color:var(--border-color)}}.strategy-container{color:#1e293b;max-width:1000px;margin:0 auto;padding:40px 20px;font-family:system-ui,-apple-system,sans-serif}.strategy-header{text-align:center;margin-bottom:40px}.strategy-header h1{margin-bottom:10px;font-size:2.8rem;font-weight:800;line-height:1.2}.strategy-header p{color:#64748b;max-width:700px;margin:0 auto;font-size:1.2rem}.path-grid{grid-template-columns:1fr 1fr;gap:30px;margin-bottom:60px;display:grid}.strategy-card{border-radius:24px;flex-direction:column;padding:30px;transition:transform 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(prefers-color-scheme:dark){.mf-reading-passage{border-color:var(--border-color);color:#cbd5e1;background:#1e293b80}.features-box{background:var(--bg-app);border-color:var(--border-color)}.features-title{color:var(--neutral-gray)}.feature-item{background:var(--surface-white);border-color:var(--border-color)}.feature-item.feature-used{background:#10b9811a;border-color:#10b981}.feature-name{color:#9ca3af}.question-row{background:var(--surface-white);border-color:var(--border-color)}.question-row.row-correct{background:#10b9811a;border-color:#10b981}.question-row.row-incorrect{background:#ef44441a;border-color:#ef4444}.question-text{color:#f3f4f6}.feature-select{background:var(--bg-app);border-color:var(--border-color);color:#f3f4f6}.answer-hint{color:#34d399;background:#05966926}.correct-feature-name{color:#6b7280}.review-summary{background:var(--bg-app);border-color:var(--border-color)}.score-label{color:var(--neutral-gray)}.score-percent{color:#6b7280}}.flowchart-completion-block{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:24px}.flowchart-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.flowchart-title{color:#0f172a;margin:0;font-size:16px;font-weight:800}.flowchart-badge{color:var(--lab-indigo);text-transform:uppercase;background:#eef2ff;border-radius:100px;padding:4px 10px;font-size:11px;font-weight:700}.flowchart-instruction{color:#92400e;background:#fffbeb;border-left:4px solid #f59e0b;margin-bottom:20px;padding:12px 16px;font-size:14px}.flowchart-word-list{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;margin-bottom:20px;padding:16px}.word-list-label{color:#64748b;text-transform:uppercase;margin:0 0 10px;font-size:12px;font-weight:700}.word-list-items{flex-wrap:wrap;gap:8px;display:flex}.word-list-item{color:#475569;background:#fff;border:1px solid #e2e8f0;border-radius:100px;padding:6px 12px;font-size:13px;font-weight:600}.flow-chart{align-items:stretch;padding-bottom:8px;display:flex;overflow-x:auto}.flow-chart.vertical{flex-direction:column}.flow-step{background:#f8fafc;border:2px solid #e2e8f0;border-radius:12px;flex:none;min-width:180px;padding:16px 20px;position:relative}.flow-step.vertical{flex:1;min-width:auto}.flow-step.is-gap{background:#fff;border-color:#cbd5e1}.flow-step.is-gap.over-limit{background:#fffbeb;border-color:#f59e0b}.flow-step.row-correct{background:#f0fdf4;border-color:#10b981}.flow-step.row-incorrect{background:#fef2f2;border-color:#ef4444}.step-badge{background:var(--lab-indigo);color:#fff;border-radius:100px;padding:2px 10px;font-size:12px;font-weight:800;position:absolute;top:-10px;left:12px}.step-badge.step-label{background:#94a3b8;font-size:11px;font-weight:600}.flow-step.row-correct .step-badge{background:#10b981}.flow-step.row-incorrect .step-badge{background:#ef4444}.step-content{margin-top:8px}.step-text{color:#334155;margin:0;font-size:14px;font-weight:600}.flow-input-container{align-items:center;gap:8px;display:flex}.flow-input{color:#1e293b;background:#f8fafc;border:none;border-radius:6px;outline:none;width:100%;padding:10px 12px;font-size:14px;font-weight:500}.flow-input:focus{box-shadow:0 0 0 2px var(--lab-indigo)}.flow-input:disabled{background:0 0;font-weight:700}.flow-select{cursor:pointer;background:#fff;border:2px solid #cbd5e1;border-radius:8px;outline:none;width:100%;padding:10px 12px;font-size:14px;font-weight:600}.flow-select:focus{border-color:var(--lab-indigo)}.flow-select:disabled{cursor:default}.flow-word-count{color:#94a3b8;text-align:right;margin-top:4px;font-size:11px}.flow-word-count.over-limit{color:#f59e0b}.flowchart-hint{color:#059669;background:#ecfdf5;border-radius:6px;margin-top:8px;padding:6px 10px;font-size:12px;font-weight:600}.flow-arrow{justify-content:center;align-items:center;padding:0 8px;display:flex}.flow-arrow.vertical{padding:8px 0}@media (prefers-color-scheme:dark){.flowchart-completion-block{background:var(--surface-white);border-color:var(--border-color)}.flowchart-title{color:#f3f4f6}.flowchart-badge{color:var(--lab-indigo);background:#5850ec33}.flowchart-instruction{color:#fbbf24;background:#f59e0b1a}.flowchart-word-list{background:var(--bg-app);border-color:var(--border-color)}.word-list-label{color:var(--neutral-gray)}.word-list-item{background:var(--surface-white);border-color:var(--border-color);color:#9ca3af}.flow-step{background:var(--bg-app);border-color:var(--border-color)}.flow-step.is-gap{background:var(--surface-white)}.flow-step.is-gap.over-limit{background:#f59e0b1a;border-color:#f59e0b}.flow-step.row-correct{background:#10b9811a;border-color:#10b981}.flow-step.row-incorrect{background:#ef44441a;border-color:#ef4444}.step-text{color:#9ca3af}.flow-input{background:var(--bg-app);color:#f3f4f6}.flow-input::placeholder{color:#6b7280}.flow-select{background:var(--surface-white);border-color:var(--border-color);color:#f3f4f6}.flow-word-count{color:#6b7280}.flow-word-count.over-limit{color:#f59e0b}.flowchart-hint{color:#34d399;background:#05966926}}