:root{--bpmnkit-bg: #f4f4f8;--bpmnkit-surface: #ffffff;--bpmnkit-surface-2: #eeeef8;--bpmnkit-border: #d0d0e8;--bpmnkit-fg: #1a1a2e;--bpmnkit-fg-muted: #6666a0;--bpmnkit-font: system-ui, -apple-system, sans-serif;--bpmnkit-font-mono: ui-monospace, "Cascadia Code", "JetBrains Mono", monospace;--bpmnkit-accent: #1a56db;--bpmnkit-accent-bright: #3b82f6;--bpmnkit-accent-subtle: rgba(26, 86, 219, .12);--bpmnkit-accent-fg: #ffffff;--bpmnkit-teal: #0d9488;--bpmnkit-success: #16a34a;--bpmnkit-warn: #d97706;--bpmnkit-danger: #dc2626;--bpmnkit-panel-bg: rgba(255, 255, 255, .92);--bpmnkit-panel-border: rgba(0, 0, 0, .08);--bpmnkit-radius: 6px;--bpmnkit-radius-sm: 4px;--bpmnkit-radius-lg: 10px;--bpmnkit-nav-bg: #1a1a2e;--bpmnkit-nav-fg: #9090b4;--bpmnkit-nav-fg-active: #ffffff;--bpmnkit-nav-width: 220px;--bpmnkit-header-height: 52px}[data-theme=dark]{--bpmnkit-bg: #0d0d16;--bpmnkit-surface: #161626;--bpmnkit-surface-2: #1e1e2e;--bpmnkit-border: #2a2a42;--bpmnkit-fg: #cdd6f4;--bpmnkit-fg-muted: #8888a8;--bpmnkit-accent: #6b9df7;--bpmnkit-accent-bright: #89b4fa;--bpmnkit-accent-subtle: rgba(107, 157, 247, .15);--bpmnkit-teal: #2dd4bf;--bpmnkit-success: #22c55e;--bpmnkit-warn: #f59e0b;--bpmnkit-danger: #f87171;--bpmnkit-panel-bg: rgba(13, 13, 22, .92);--bpmnkit-panel-border: rgba(255, 255, 255, .08);--bpmnkit-nav-bg: #0a0a14;--bpmnkit-nav-fg: #8888a8}[data-theme=neon]{--bpmnkit-bg: oklch(5% .025 270);--bpmnkit-surface: oklch(9% .025 270);--bpmnkit-surface-2: oklch(12% .03 270);--bpmnkit-border: oklch(65% .28 280 / .2);--bpmnkit-fg: oklch(88% .02 270);--bpmnkit-fg-muted: oklch(55% .04 270);--bpmnkit-accent: oklch(55% .22 280);--bpmnkit-accent-bright: oklch(73% .16 280);--bpmnkit-accent-subtle: oklch(55% .22 280 / .15);--bpmnkit-accent-fg: oklch(95% .01 270);--bpmnkit-teal: oklch(72% .18 185);--bpmnkit-success: oklch(72% .18 145);--bpmnkit-warn: oklch(75% .17 75);--bpmnkit-danger: oklch(65% .22 25);--bpmnkit-panel-bg: oklch(8% .03 270 / .96);--bpmnkit-panel-border: oklch(65% .28 280 / .2);--bpmnkit-nav-bg: oklch(5% .025 270);--bpmnkit-nav-fg: oklch(50% .06 270)}:root{--bg: var(--bpmnkit-bg);--bg-card: var(--bpmnkit-surface);--surface: var(--bpmnkit-surface);--bg-code: var(--bpmnkit-surface-2);--border: var(--bpmnkit-border);--text: var(--bpmnkit-fg);--text-muted: var(--bpmnkit-fg-muted);--accent: var(--bpmnkit-accent);--accent-bright: var(--bpmnkit-accent-bright);--accent-glow: var(--bpmnkit-accent-subtle);--teal: var(--bpmnkit-teal);--success: var(--bpmnkit-success);--warn: var(--bpmnkit-warn);--danger: var(--bpmnkit-danger);--pink: oklch(68% .22 340);--font-mono: var(--bpmnkit-font-mono);--font-sans: var(--bpmnkit-font);--max-width: 1120px;--nav-h: 60px;--radius: 14px}.aurora{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:-1}.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55}.orb-1{width:600px;height:600px;top:-200px;left:-100px;background:radial-gradient(circle,oklch(55% .22 280 / .7),transparent 70%);animation:drift1 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40%,black 20%,transparent 80%)}.grain{position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.035;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='256' height='256'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:256px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{font-family:var(--font-sans);background:transparent;color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:var(--accent-bright);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}button{font-family:var(--font-sans);cursor:pointer}.learn-nav{position:sticky;top:0;z-index:100;height:var(--nav-h);background:#000003d9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.learn-nav-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}.learn-logo{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.95rem;color:var(--text);text-decoration:none}.learn-logo:hover{text-decoration:none;color:var(--accent-bright)}.logo-learn{color:var(--accent-bright)}.learn-nav-links{display:flex;align-items:center;gap:24px}.learn-nav-links a{font-size:.875rem;color:var(--text-muted);text-decoration:none;transition:color .15s}.learn-nav-links a:hover{color:var(--text);text-decoration:none}.catalog-hero{text-align:center;padding:80px 24px 60px;max-width:var(--max-width);margin:0 auto}.catalog-hero h1{font-size:clamp(2rem,5vw,3.5rem);font-weight:700;letter-spacing:-.02em;line-height:1.15;margin-bottom:16px;background:linear-gradient(135deg,var(--text) 0%,var(--accent-bright) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.catalog-hero p{font-size:1.125rem;color:var(--text-muted);max-width:540px;margin:0 auto 32px}.catalog-hero-cta{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:var(--accent);color:#fff;border-radius:var(--radius);font-size:1rem;font-weight:600;text-decoration:none;transition:background .15s,transform .1s}.catalog-hero-cta:hover{background:var(--accent-bright);text-decoration:none;transform:translateY(-1px)}.catalog-section{max-width:var(--max-width);margin:0 auto;padding:0 24px 80px}.catalog-section h2{font-size:1.1rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:24px}.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.tutorial-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:16px;text-decoration:none;color:var(--text);transition:border-color .15s,transform .1s,box-shadow .15s;position:relative;overflow:hidden}.tutorial-card:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at top left,var(--accent-glow),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}.tutorial-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 32px #0006;text-decoration:none}.tutorial-card:hover:before{opacity:1}.card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.card-title{font-size:1.05rem;font-weight:600;line-height:1.3}.card-body{flex:1}.card-tagline{font-size:.875rem;color:var(--text-muted);line-height:1.5}.card-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:12px;border-top:1px solid var(--border)}.card-meta{display:flex;align-items:center;gap:12px}.card-time{font-size:.8rem;color:var(--text-muted)}.difficulty-dots{display:flex;gap:4px;align-items:center}.difficulty-dot{width:8px;height:8px;border-radius:50%;background:var(--border);transition:background .15s}.difficulty-dot.filled{background:var(--accent)}.difficulty-dots[data-level=beginner] .difficulty-dot:nth-child(1){background:var(--success)}.difficulty-dots[data-level=intermediate] .difficulty-dot:nth-child(-n+2){background:var(--warn)}.difficulty-dots[data-level=advanced] .difficulty-dot{background:var(--danger)}.mode-badges{display:flex;gap:6px;flex-wrap:wrap}.mode-badge{font-size:.7rem;padding:2px 8px;border-radius:20px;background:#070a18;color:var(--text-muted);border:1px solid var(--border);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.mode-badge.badge-web{background:#110e39;color:var(--accent-bright);border-color:#26245e}.mode-badge.badge-no-install{background:oklch(18% .06 145);color:var(--success);border-color:#06320c}.status-badge{font-size:.75rem;padding:3px 10px;border-radius:20px;font-weight:600}.status-badge.status-new{background:#110e39;color:var(--accent-bright);border:1px solid oklch(30% .1 280)}.status-badge.status-in-progress{background:oklch(20% .08 70);color:var(--warn);border:1px solid oklch(30% .1 70)}.status-badge.status-completed{background:oklch(18% .06 145);color:var(--success);border:1px solid oklch(28% .08 145)}.overview-page{max-width:860px;margin:0 auto;padding:40px 24px 80px}.breadcrumb{font-size:.875rem;color:var(--text-muted);margin-bottom:32px}.breadcrumb a{color:var(--text-muted)}.breadcrumb a:hover{color:var(--text)}.overview-hero{margin-bottom:40px}.overview-difficulty{display:flex;align-items:center;gap:12px;margin-bottom:16px}.overview-difficulty-label{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.overview-hero h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:700;letter-spacing:-.02em;line-height:1.2;margin-bottom:12px}.overview-tagline{font-size:1.05rem;color:var(--text-muted);margin-bottom:24px}.overview-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.overview-meta-item{display:flex;align-items:center;gap:6px;font-size:.875rem;color:var(--text-muted)}.overview-meta-item strong{color:var(--text)}.tag-list{display:flex;gap:6px;flex-wrap:wrap;margin-top:16px}.tag{font-size:.75rem;padding:3px 10px;border-radius:20px;background:#04050d;color:var(--text-muted);border:1px solid var(--border)}.overview-steps-section{margin-bottom:40px}.overview-steps-section h2{font-size:1.1rem;font-weight:600;margin-bottom:16px;color:var(--text)}.overview-steps-list{list-style:none;display:flex;flex-direction:column;gap:2px}.overview-step-item{display:flex;align-items:center;gap:16px;padding:14px 16px;border-radius:10px;background:var(--bg-card);border:1px solid var(--border);transition:border-color .15s}.overview-step-item:hover{border-color:var(--accent)}.step-num-circle{width:28px;height:28px;border-radius:50%;background:#04050d;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:var(--text-muted);flex-shrink:0}.step-num-circle.completed{background:oklch(18% .06 145);border-color:var(--success);color:var(--success)}.overview-step-info{flex:1}.overview-step-title{font-size:.9rem;font-weight:500;color:var(--text)}.overview-step-time{font-size:.78rem;color:var(--text-muted);margin-top:2px}.overview-step-mode{font-size:.75rem;padding:2px 8px;border-radius:4px;background:#070a18;color:var(--text-muted)}.prereq-section{margin-bottom:40px}.prereq-section h2{font-size:1.1rem;font-weight:600;margin-bottom:16px}.prereq-list{display:flex;flex-direction:column;gap:8px}.prereq-item{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border-radius:10px;background:var(--bg-card);border:1px solid var(--border)}.prereq-status{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:.7rem;font-weight:700;margin-top:2px}.prereq-status.checking{background:#070a18;border:1px solid var(--border);color:var(--text-muted)}.prereq-status.pass{background:oklch(18% .06 145);border:1px solid var(--success);color:var(--success)}.prereq-status.fail{background:#1c0202;border:1px solid var(--danger);color:var(--danger)}.prereq-info{flex:1}.prereq-label{font-size:.9rem;font-weight:500}.prereq-description{font-size:.8rem;color:var(--text-muted);margin-top:2px}.prereq-fix{font-size:.8rem;margin-top:8px;padding:8px 12px;background:#000105;border-radius:6px;font-family:var(--font-mono);color:var(--text-muted)}.overview-cta{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;text-decoration:none;transition:background .15s,transform .1s;cursor:pointer}.btn-primary:hover{background:var(--accent-bright);text-decoration:none;transform:translateY(-1px)}.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;background:transparent;color:var(--text-muted);border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem;font-weight:500;text-decoration:none;transition:border-color .15s,color .15s;cursor:pointer}.btn-secondary:hover{border-color:var(--accent);color:var(--text);text-decoration:none}.step-page{height:calc(100vh - var(--nav-h));display:flex;flex-direction:column;overflow:hidden}.step-header{flex-shrink:0;padding:12px 24px;display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--border);background:#000004e6;backdrop-filter:blur(8px)}.step-breadcrumb{font-size:.8rem;color:var(--text-muted);white-space:nowrap}.step-breadcrumb a{color:var(--text-muted)}.step-breadcrumb a:hover{color:var(--text)}.step-counter{font-size:.8rem;color:var(--text-muted);white-space:nowrap}.step-title-bar{flex:1;font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.step-time-badge{font-size:.75rem;color:var(--text-muted);white-space:nowrap}.progress-bar{flex-shrink:0;height:3px;background:var(--border);position:relative}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--teal));transition:width .4s ease}.step-body{flex:1;display:flex;overflow:hidden;min-height:0}.step-content-pane{width:38%;flex-shrink:0;display:flex;flex-direction:column;overflow:hidden;border-right:1px solid var(--border)}.step-content-scroll{flex:1;overflow-y:auto;padding:24px;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.step-prose{font-size:.9rem;line-height:1.7;color:var(--text)}.step-prose h2{font-size:1.2rem;font-weight:700;margin-bottom:12px;margin-top:0;color:var(--text)}.step-prose h3{font-size:1rem;font-weight:600;margin-top:20px;margin-bottom:8px;color:var(--text)}.step-prose p{margin-bottom:12px}.step-prose ul,.step-prose ol{padding-left:20px;margin-bottom:12px}.step-prose li{margin-bottom:4px}.step-prose strong{color:var(--text);font-weight:600}.step-prose blockquote{border-left:3px solid var(--accent);padding:10px 14px;margin:16px 0;background:var(--accent-glow);border-radius:0 8px 8px 0;color:var(--text-muted);font-size:.85rem}.step-prose code{font-family:var(--font-mono);font-size:.85em;background:var(--bg-code);padding:2px 6px;border-radius:4px;color:var(--teal)}.step-prose pre{background:var(--bg-code);border:1px solid var(--border);border-radius:8px;padding:16px;overflow-x:auto;margin:12px 0}.step-prose pre code{background:none;padding:0}.step-nav-area{flex-shrink:0;padding:16px 24px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:12px}.validation-banner{display:none;padding:10px 14px;border-radius:8px;font-size:.85rem;font-weight:500;line-height:1.4}.validation-success{background:oklch(18% .06 145);color:var(--success);border:1px solid oklch(28% .08 145)}.validation-error{background:#1c0202;color:var(--danger);border:1px solid oklch(25% .07 25)}.step-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:8px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .15s;text-decoration:none;border:none}.step-btn-primary{background:var(--accent);color:#fff}.step-btn-primary:hover{background:var(--accent-bright);text-decoration:none;transform:translateY(-1px)}.step-btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.step-btn-secondary{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.step-btn-secondary:hover{border-color:var(--accent);color:var(--text);text-decoration:none}.step-btn-success{background:oklch(22% .08 145);color:var(--success);border:1px solid var(--success)}.step-btn-success:hover{background:oklch(28% .1 145);text-decoration:none}.step-actions{display:flex;gap:8px;flex-wrap:wrap}.next-section{display:none}.hints-container{display:flex;flex-direction:column;gap:8px;margin-bottom:8px}.hint-item{padding:10px 14px;border-radius:8px;font-size:.82rem;line-height:1.5;background:#02030b;border:1px solid var(--border);color:var(--text-muted);animation:hint-appear .25s ease}@keyframes hint-appear{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.hint-level-1{border-left:3px solid var(--accent)}.hint-level-2{border-left:3px solid var(--teal)}.hint-level-3{border-left:3px solid var(--pink)}.hint-reveal-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:transparent;color:var(--text-muted);border:1px dashed var(--border);border-radius:6px;font-size:.78rem;cursor:pointer;transition:border-color .15s,color .15s}.hint-reveal-btn:hover{border-color:var(--accent);color:var(--text)}.hint-reveal-btn:disabled{opacity:.4;cursor:not-allowed}.step-interactive-pane{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0;background:#000001}.canvas-pane{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}.canvas-pane-label{flex-shrink:0;padding:8px 16px;font-size:.75rem;color:var(--text-muted);border-bottom:1px solid var(--border);background:#000004;display:flex;align-items:center;gap:8px}.canvas-pane-label:before{content:"●";color:var(--success);font-size:.6rem}#learn-canvas{flex:1;min-height:400px;width:100%}.learn-play-panel{flex-shrink:0;max-height:40%;overflow-y:auto;border-top:1px solid var(--border)}.cli-pane{flex:1;padding:24px;overflow-y:auto}.cli-pane h3{font-size:.95rem;font-weight:600;margin-bottom:16px;color:var(--text)}.cli-command-block{margin-bottom:20px}.cli-command-label{font-size:.78rem;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.06em}.cli-command-code{display:flex;align-items:center;gap:12px;background:var(--bg-code);border:1px solid var(--border);border-radius:8px;padding:12px 16px}.cli-command-text{flex:1;font-family:var(--font-mono);font-size:.875rem;color:var(--teal)}.cli-copy-btn{padding:4px 10px;background:var(--border);color:var(--text-muted);border:none;border-radius:4px;font-size:.75rem;cursor:pointer;transition:background .15s}.cli-copy-btn:hover{background:var(--accent);color:#fff}.expected-output{margin-top:8px;padding:10px 14px;background:#010104;border-radius:6px;font-family:var(--font-mono);font-size:.8rem;color:var(--text-muted)}.expected-output-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:4px;opacity:.7}.reading-pane{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:.875rem;flex-direction:column;gap:8px;padding:40px}.reading-pane-icon{font-size:2rem;opacity:.4}.completion-overlay{display:none;position:fixed;inset:0;z-index:200;background:#000003d9;backdrop-filter:blur(8px);align-items:center;justify-content:center;animation:fade-in .3s ease}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.completion-card{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:48px 40px;max-width:480px;width:90%;text-align:center;position:relative;overflow:hidden;animation:slide-up .35s ease}@keyframes slide-up{0%{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.completion-burst{font-size:3rem;margin-bottom:16px;animation:burst-pop .5s cubic-bezier(.175,.885,.32,1.275) .2s both}@keyframes burst-pop{0%{opacity:0;transform:scale(.3) rotate(-10deg)}to{opacity:1;transform:scale(1) rotate(0)}}.completion-card h2{font-size:1.6rem;font-weight:700;margin-bottom:8px;background:linear-gradient(135deg,var(--text) 0%,var(--accent-bright) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.completion-card p{color:var(--text-muted);font-size:.95rem;margin-bottom:28px;line-height:1.6}.completion-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.confetti-container{position:absolute;inset:0;pointer-events:none;overflow:hidden}.confetti-piece{position:absolute;width:8px;height:8px;top:-10px;animation:confetti-fall linear forwards;border-radius:2px}.confetti-piece:nth-child(1){left:10%;background:var(--accent);animation-duration:2.2s;animation-delay:.1s}.confetti-piece:nth-child(2){left:20%;background:var(--teal);animation-duration:1.8s;animation-delay:.3s;width:6px;height:6px}.confetti-piece:nth-child(3){left:35%;background:var(--pink);animation-duration:2.5s;animation-delay:0s;border-radius:50%}.confetti-piece:nth-child(4){left:50%;background:var(--success);animation-duration:2s;animation-delay:.2s}.confetti-piece:nth-child(5){left:65%;background:var(--warn);animation-duration:1.6s;animation-delay:.4s;width:10px;height:5px}.confetti-piece:nth-child(6){left:80%;background:var(--accent-bright);animation-duration:2.3s;animation-delay:.15s}.confetti-piece:nth-child(7){left:90%;background:var(--teal);animation-duration:1.9s;animation-delay:.35s;border-radius:50%;width:7px;height:7px}@keyframes confetti-fall{0%{transform:translateY(0) rotate(0);opacity:1}80%{opacity:1}to{transform:translateY(400px) rotate(720deg);opacity:0}}.learn-footer{border-top:1px solid var(--border);padding:20px 24px;background:#000003cc}.footer-inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;gap:24px;font-size:.8rem;color:var(--text-muted)}.footer-inner a{color:var(--text-muted)}.footer-inner a:hover{color:var(--text)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.text-muted{color:var(--text-muted)}.text-accent{color:var(--accent-bright)}.text-success{color:var(--success)}.text-warn{color:var(--warn)}.text-danger{color:var(--danger)}.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.gap-8{gap:8px}.gap-12{gap:12px}@media(max-width:768px){.step-body{flex-direction:column}.step-content-pane{width:100%;border-right:none;border-bottom:1px solid var(--border);max-height:50vh}.step-interactive-pane{min-height:320px}.catalog-grid{grid-template-columns:1fr}.catalog-hero{padding:48px 16px 40px}.catalog-section{padding:0 16px 48px}.overview-page{padding:24px 16px 60px}.step-header{padding:8px 12px;gap:8px}.step-title-bar{display:none}.overview-meta{gap:12px}.overview-cta{flex-direction:column;align-items:flex-start}.learn-nav-links{gap:14px}.completion-card{padding:32px 24px}}@media(max-width:480px){.learn-nav-links a:not(:last-child){display:none}}