:root,[data-theme=light]{--iio-bg: #fbfbfb;--iio-bg-subtle: #f5f5f5;--iio-bg-raised: #ffffff;--iio-bg-sunken: #e7e7e7;--iio-surface: #ffffff;--iio-surface-soft: #f5f5f5;--iio-surface-mid: #e7e7e7;--iio-ink: #0f172a;--iio-ink-soft: #34334d;--iio-muted: #3b4157;--iio-muted-light: #6b7280;--iio-on-accent: #ffffff;--iio-line: #e7e7e7;--iio-line-strong: #d9d9d9;--iio-line-subtle: #f0f0f0;--iio-accent: #f39205;--iio-accent-mid: #f5a523;--iio-accent-light: #fef3dc;--iio-accent-hover: #d97a00;--iio-accent-xlight: #fffbf2;--iio-dark: #0f172a;--iio-dark-mid: #3b4157;--iio-dark-soft: #34334d;--iio-on-dark: #f5f5f5;--iio-on-dark-muted: rgba(245,245,245,.65);--iio-dark-line: rgba(255,255,255,.12);--iio-dark-surface: #34334d;--iio-hero-gradient: radial-gradient(ellipse at 50% 39%, #3b4157 0%, #0f172a 100%);--learn-occ: #1577ad;--learn-occ-dark: #1a3a5c;--learn-occ-light: #e8f4fb;--iio-ok: #16a34a;--iio-ok-bg: #dcfce7;--iio-ok-line: #86efac;--iio-warn: #f39205;--iio-warn-bg: #fef3dc;--iio-risk: #dc2626;--iio-risk-bg: #fee2e2;--iio-h-bg: #0f172a;--iio-h-ink: #f5f5f5;--iio-h-muted: rgba(245,245,245,.65);--iio-h-line: rgba(255,255,255,.12)}[data-theme=dark]{--iio-bg: #0f172a;--iio-bg-subtle: #161e30;--iio-bg-raised: #34334d;--iio-bg-sunken: #0a1020;--iio-surface: #34334d;--iio-surface-soft: #3b4157;--iio-surface-mid: #4a4a60;--iio-ink: #f5f5f5;--iio-ink-soft: #d9d9d9;--iio-muted: #9ca3af;--iio-muted-light: #6b7280;--iio-on-accent: #ffffff;--iio-line: #3b4157;--iio-line-strong: #4a4a60;--iio-line-subtle: #2a2a3d;--iio-accent: #f39205;--iio-accent-mid: #f5a523;--iio-accent-light: #34334d;--iio-accent-hover: #f5a523;--iio-accent-xlight: #1a1524;--iio-dark: #0f172a;--iio-dark-mid: #3b4157;--iio-dark-soft: #34334d;--iio-on-dark: #f5f5f5;--iio-on-dark-muted: rgba(245,245,245,.65);--iio-dark-line: rgba(255,255,255,.12);--iio-dark-surface: #3b4157;--iio-hero-gradient: radial-gradient(ellipse at 50% 39%, #3b4157 0%, #0f172a 100%);--learn-occ: #56b4e8;--learn-occ-dark: #7ec8f0;--learn-occ-light: #0a2030;--iio-ok: #4ade80;--iio-ok-bg: #14532d;--iio-warn: #f39205;--iio-warn-bg: #2a1a00;--iio-risk: #f87171;--iio-risk-bg: #450a0a;--iio-h-bg: #0f172a;--iio-h-ink: #f5f5f5;--iio-h-muted: rgba(245,245,245,.65);--iio-h-line: rgba(255,255,255,.12)}:root{--green: #15803d;--green-dark: #14532d;--green-mid: #16a34a;--green-light: #dcfce7;--green-xlight: #f0fdf4;--occ-blue: var(--learn-occ);--occ-blue-dark: var(--learn-occ-dark);--occ-blue-light: var(--learn-occ-light);--bg: var(--iio-bg);--surface: var(--iio-surface);--border: var(--iio-line);--text: var(--iio-ink);--muted: var(--iio-muted);--white: #ffffff;--blue: #1a56db;--blue-light: #ebf5ff;--amber: #b8960b;--amber-light:#fff8e1;--red: #c0392b;--red-light: #fdecea;--purple: #7c3aed;--purple-light:#ede9fe;--bg-dark: var(--iio-dark, #0f172a);--font-sans: "Inter", system-ui, sans-serif;--font-serif: "Merriweather", Georgia, serif;--font-mono: "Fira Code", "Courier New", monospace;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 48px;--sidebar-w: 260px;--nav-h: 48px;--radius: 10px;--shadow: 0 1px 3px rgba(0,0,0,.07), 0 4px 12px rgba(0,0,0,.05);--shadow-lg: 0 8px 32px rgba(0,0,0,.12);--badge-image: var(--iio-accent, #f39205);--badge-video: #7c3aed;--badge-audio: #0284c7;--badge-icon: #b8960b;--page-pad: 20px;--font-size-body: 1rem;--line-height-body: 1.65}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:var(--font-size-body);line-height:var(--line-height-body);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}.level-leicht{--font-size-body: 1.1rem;--line-height-body: 1.8}.level-standard{--font-size-body: 1rem;--line-height-body: 1.65}.level-experte{--font-size-body: .95rem;--line-height-body: 1.55}.level-maschine{--font-size-body: .875rem;--line-height-body: 1.5;font-family:var(--font-mono)}.nav{position:sticky;top:60px;z-index:200;background:var(--iio-dark, #0f172a);height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;padding:0 20px;box-shadow:0 2px 8px #0000004d;border-bottom:1px solid var(--iio-dark-line, rgba(255,255,255,.12))}.nav-logo{font-weight:800;font-size:17px;color:var(--iio-on-dark, #f5f5f5);text-decoration:none;letter-spacing:-.5px;display:flex;align-items:center;gap:8px}.nav-logo-badge{background:var(--learn-occ, #1577ad);color:#fff;font-size:9px;font-weight:700;letter-spacing:1px;padding:2px 6px;border-radius:3px;text-transform:uppercase}.nav-links{display:flex;align-items:center;gap:4px}.nav-links a{color:var(--iio-on-dark-muted, rgba(245,245,245,.65));text-decoration:none;font-size:13px;font-weight:500;padding:6px 12px;border-radius:6px;transition:color .15s,background .15s}.nav-links a:hover{color:var(--iio-on-dark, #f5f5f5);background:#ffffff14}.nav-links a.nav-active{color:var(--iio-accent, #f39205);background:#f3920526}.nav-assessment{background:var(--iio-accent, #f39205);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:6px;text-decoration:none;transition:background .15s}.nav-assessment,.nav-assessment:link,.nav-assessment:visited{color:#fff!important}.nav-assessment:hover{background:var(--iio-accent-hover, #d97a00)!important}.page-wrap{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:calc(100vh - var(--nav-h))}.main{min-width:0}.sidebar{position:sticky;top:var(--nav-h);height:calc(100vh - var(--nav-h));overflow-y:auto;background:var(--white);border-right:1px solid var(--iio-line);padding:0 0 20px;scrollbar-width:thin;scrollbar-color:var(--iio-line) transparent}.sidebar::-webkit-scrollbar{width:3px}.sidebar::-webkit-scrollbar-thumb{background:var(--iio-line);border-radius:2px}.sidebar-course-info{padding:16px 16px 12px;border-bottom:1px solid var(--iio-line)}.sidebar-section{padding:0 12px 12px}.sidebar-label{font-size:9px;font-weight:700;letter-spacing:1.5px;color:var(--iio-muted);text-transform:uppercase;margin:12px 4px 8px;display:block}.sidebar-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;cursor:pointer;margin-bottom:2px;transition:background .15s;font-size:12px;color:var(--iio-ink-soft, #34334d);line-height:1.35}.sidebar-item:hover{background:var(--iio-bg-subtle, #f5f5f5)}.sidebar-item.active{background:#f3920514;color:var(--iio-ink);font-weight:600}.sidebar-item.active .sidebar-num{background:var(--iio-accent);color:#0f172a;border-color:var(--iio-accent)}.sidebar-num{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0;background:var(--iio-bg-subtle, #f5f5f5);color:var(--iio-muted);border:1px solid var(--iio-line);transition:background .15s,color .15s}.sidebar-item-title{flex:1;min-width:0;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.sidebar-divider{border:none;border-top:1px solid var(--iio-line);margin:4px 12px}.progress-ring-wrap{display:flex;flex-direction:column;align-items:center;padding:8px}.progress-ring-track{fill:none;stroke:var(--iio-line)}.progress-ring-fill{fill:none;stroke:var(--iio-accent);stroke-linecap:round;transition:stroke-dashoffset .5s ease}.progress-ring-text{font-size:12px;font-weight:700;color:var(--iio-accent);margin-top:4px}.course-hero{background:var(--iio-dark, #0f172a);padding:32px var(--page-pad) 24px;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}.course-breadcrumb{font-size:11px;color:#fff6;margin-bottom:16px;display:flex;align-items:center;gap:4px}.course-breadcrumb a{color:#ffffff73;text-decoration:none;transition:color .15s}.course-breadcrumb a:hover{color:#ffffffd9}.course-hero h1{font-size:clamp(1.5rem,4vw,2.1rem);font-weight:900;line-height:1.15;margin:0 0 10px;letter-spacing:-.03em;color:#f1f5f9}.course-why{font-size:14px;color:var(--iio-ink, #0f172a);margin:0;max-width:680px;line-height:1.7}.why-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.4rem;color:#92400e}.goal-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.4rem;color:#065f46}.goal-box{background:#ffffff12;border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:12px 16px;font-size:13px;margin-bottom:16px;max-width:640px}.goal-box strong{color:#fff}.meta-bar{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.meta-item{display:inline-flex;align-items:center;gap:5px;font-size:10px;font-weight:600;padding:4px 10px;border-radius:20px;background:#ffffff14;color:#ffffffa6;border:1px solid rgba(255,255,255,.12)}.meta-item strong{color:#ffffffe6;font-weight:700}.occ-source-badge{display:inline-flex;align-items:center;gap:6px;background:#1577ad26;border:1px solid rgba(21,119,173,.35);color:#56b4e8e6;font-size:11px;font-weight:600;padding:4px 10px;border-radius:20px;text-decoration:none;margin-top:12px;transition:background .15s}.occ-source-badge:hover{background:#1577ad47}.tab-bar{position:sticky;top:var(--nav-h);z-index:100;background:var(--white);border-bottom:1px solid var(--iio-line);display:flex;overflow-x:auto;scrollbar-width:none;padding:0 var(--page-pad)}.tab-bar::-webkit-scrollbar{display:none}.tab-btn{display:flex;align-items:center;gap:7px;padding:13px 14px;cursor:pointer;font-size:12px;font-weight:500;white-space:nowrap;border:none;background:none;color:var(--iio-muted);border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .15s,border-color .15s;flex-shrink:0}.tab-btn:hover{color:var(--iio-ink)}.tab-btn-active{color:var(--iio-ink)!important;border-color:var(--iio-accent)!important;font-weight:700}.tab-title{max-width:160px;overflow:hidden;text-overflow:ellipsis}.tab-num{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;background:var(--iio-bg-subtle, #f5f5f5);color:var(--iio-muted);flex-shrink:0;border:1px solid var(--iio-line);transition:background .15s,color .15s,border-color .15s}.tab-btn-active .tab-num{background:var(--iio-accent);color:#0f172a;border-color:var(--iio-accent)}.tab-badge{font-size:9px;background:#f392051f;color:var(--iio-accent);padding:2px 6px;border-radius:10px;font-weight:700;border:1px solid rgba(243,146,5,.2)}.content{padding:var(--page-pad);max-width:860px}.tab-panel{display:none}.tab-panel.active{display:block}.module-block{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:24px}.module-type-badge{display:inline-flex;align-items:center;gap:6px;font-size:10px;font-weight:700;letter-spacing:1.2px;padding:4px 10px;border-radius:3px 0 var(--radius) 0;text-transform:uppercase}.module-video .module-type-badge{background:#dcfce7;color:var(--green-dark)}.video-card{padding:20px}.video-meta{font-size:12px;color:var(--muted);margin-bottom:8px}.video-title{font-size:16px;font-weight:700;margin-bottom:8px}.video-desc{font-size:14px;color:#374151;line-height:1.6;margin-bottom:16px}.video-link{display:inline-flex;align-items:center;gap:6px;background:var(--green);color:#fff;padding:9px 18px;border-radius:6px;font-weight:600;font-size:13px;text-decoration:none;transition:background .15s}.video-link:hover{background:var(--green-mid)}.module-reading .module-type-badge{background:var(--blue-light);color:var(--blue)}.reading-content{padding:24px}.reading-content h2{font-size:18px;font-weight:700;margin:0 0 12px;color:var(--text)}.reading-content h3{font-size:15px;font-weight:700;margin:20px 0 8px;color:var(--text)}.reading-content p{margin-bottom:12px;color:#374151;line-height:1.7}.reading-content ul,.reading-content ol{margin:8px 0 16px 20px}.reading-content li{margin-bottom:6px;color:#374151}.reading-content table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}.reading-content th{background:var(--green-xlight);color:var(--green-dark);font-weight:700;padding:10px 12px;text-align:left;border:1px solid var(--green-light)}.reading-content td{padding:9px 12px;border:1px solid var(--border)}.reading-content tr:nth-child(2n) td{background:#f9fafb}.reading-content blockquote{border-left:3px solid var(--green-mid);margin:16px 0;padding:12px 16px;background:var(--green-xlight);font-style:italic;border-radius:0 6px 6px 0}.module-quiz .module-type-badge{background:#dbeafe;color:#1e40af}.quiz-body{padding:24px}.quiz-question{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text)}.quiz-options{display:flex;flex-direction:column;gap:10px}.quiz-opt{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;border:2px solid var(--border);border-radius:8px;cursor:pointer;font-size:14px;line-height:1.5;transition:border-color .15s,background .15s}.quiz-opt:hover{border-color:var(--green-mid);background:var(--green-xlight)}.quiz-opt.correct{border-color:var(--green);background:var(--green-light);color:var(--green-dark)}.quiz-opt.wrong{border-color:var(--red);background:var(--red-light);color:var(--red)}.quiz-radio{width:18px;height:18px;border-radius:50%;border:2px solid var(--border);flex-shrink:0;margin-top:1px}.quiz-hint{margin-top:12px;padding:10px 14px;border-radius:6px;font-size:13px;display:none}.quiz-hint.correct{background:var(--green-light);color:var(--green-dark);display:block}.quiz-hint.wrong{background:var(--red-light);color:var(--red);display:block}.module-takeaway .module-type-badge{background:var(--amber-light);color:#92400e}.takeaway-grid{padding:20px;display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:600px){.takeaway-grid{grid-template-columns:1fr}}.takeaway-item{display:flex;gap:10px;align-items:flex-start;padding:12px;background:var(--amber-light);border-radius:8px;font-size:13px;line-height:1.5}.takeaway-icon{font-size:16px;flex-shrink:0}.module-case .module-type-badge{background:var(--blue-light);color:#1e40af}.case-scenario{padding:20px;background:#f8fafc;border-bottom:1px solid var(--border)}.case-scenario h3{font-size:14px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}.case-scenario p{font-size:14px;line-height:1.6}.case-question{padding:16px 20px;font-size:15px;font-weight:600;border-bottom:1px solid var(--border)}.case-reveal-btn{margin:16px 20px;padding:10px 20px;background:var(--blue);color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:13px;font-weight:600;transition:background .15s}.case-reveal-btn:hover{background:#1d4ed8}.case-answer{padding:16px 20px;background:var(--green-xlight);display:none}.case-answer.visible{display:block}.case-answer h4{color:var(--green-dark);font-size:14px;font-weight:700;margin-bottom:8px}.module-reflection .module-type-badge{background:#fef3c7;color:#92400e}.reflection-body{padding:20px}.reflection-prompt{font-size:15px;margin-bottom:12px;color:var(--text)}.reflection-input{width:100%;min-height:100px;border:1px solid var(--border);border-radius:6px;padding:12px;font-size:14px;font-family:inherit;resize:vertical;transition:border-color .15s}.reflection-input:focus{outline:none;border-color:var(--green-mid)}.reflection-save{font-size:11px;color:var(--muted);margin-top:6px}.occ-sources-panel{margin:24px var(--page-pad);border:1px solid rgba(45,156,219,.25);border-radius:var(--radius);overflow:hidden}.occ-sources-header{background:var(--occ-blue-light);padding:12px 16px;display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--occ-blue-dark)}.occ-sources-list{padding:12px 16px}.occ-source-link{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--border);text-decoration:none;color:var(--text);font-size:13px;transition:color .15s}.occ-source-link:last-child{border-bottom:none}.occ-source-link:hover{color:var(--occ-blue)}.occ-source-tag{font-size:10px;font-weight:600;letter-spacing:1px;color:var(--occ-blue);background:var(--occ-blue-light);padding:2px 7px;border-radius:3px;text-transform:uppercase;flex-shrink:0;margin-left:auto}.course-completion{margin:var(--page-pad);background:linear-gradient(135deg,var(--green-dark),var(--green));border-radius:var(--radius);padding:32px;text-align:center;color:#fff}.completion-icon{font-size:48px;margin-bottom:12px}.completion-title{font-size:22px;font-weight:800;margin-bottom:8px}.completion-sub{font-size:14px;color:#fff;margin-bottom:24px}.completion-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.completion-btn-primary{background:#fff;color:var(--green-dark);padding:12px 24px;border-radius:8px;font-weight:700;font-size:14px;text-decoration:none;transition:transform .1s}.completion-btn-primary:hover{transform:translateY(-1px)}.completion-btn-secondary{background:#ffffff26;color:#fff;border:1px solid rgba(255,255,255,.3);padding:12px 24px;border-radius:8px;font-weight:600;font-size:14px;text-decoration:none}.progress-ring-wrap{display:flex;flex-direction:column;align-items:center;padding:16px}.progress-ring-svg{transform:rotate(-90deg)}.progress-ring-track{fill:none;stroke:var(--border)}.progress-ring-fill{fill:none;stroke:var(--green-mid);stroke-linecap:round;transition:stroke-dashoffset .5s ease}.progress-ring-text{font-size:14px;font-weight:700;color:var(--green-dark);margin-top:6px}.learning-path{padding:32px var(--page-pad)}.path-title{font-size:14px;font-weight:700;letter-spacing:1.5px;color:var(--muted);text-transform:uppercase;margin-bottom:24px}.path-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.path-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-decoration:none;color:var(--text);transition:border-color .15s,box-shadow 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