:root{color-scheme:dark;--bg:#101110;--panel:#171918;--panel2:#1d201d;--ink:#f1f1e9;--muted:#b7bab0;--line:#383d36;--orange:#f7931a;--orange-soft:#ffb256;--good:#a9d9a3;--bad:#ffb6a7;--mono:"IBM Plex Mono",Consolas,"Courier New",monospace;--display:Archivo,Arial,Helvetica,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--mono);font-size:14px;line-height:1.65}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:var(--orange-soft);text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:var(--ink)}:focus-visible{outline:3px solid var(--orange);outline-offset:4px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:absolute;z-index:50;left:20px;top:-80px;padding:10px 14px;background:var(--orange);color:#111}.skip-link:focus{top:12px}.site-shell{max-width:1600px;margin:auto;padding:0 clamp(20px,4.2vw,72px)}.site-header{height:96px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:13px;min-width:0}.brand-mark{width:36px;height:36px;display:grid;place-items:center;border:2px solid var(--orange);border-radius:50%;font-size:25px;font-weight:700;color:var(--orange);line-height:1}.brand-name{font-family:var(--display);font-size:14px;letter-spacing:.11em;font-weight:800;white-space:nowrap}.brand-name strong{color:var(--orange)}.brand-divider{color:#777;margin:0 9px}.local-badge{border:1px solid #6a5536;color:#edbd7c;padding:7px 11px;font-size:10px;letter-spacing:.09em;text-transform:uppercase;white-space:nowrap}.badge-dot{display:inline-block;width:6px;height:6px;margin:0 7px 1px 0;border-radius:50%;background:var(--orange)}
.intro{min-height:440px;position:relative;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(270px,.6fr);align-items:center;gap:30px;border-bottom:1px solid var(--line);overflow:hidden}.intro:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,transparent 97%,rgba(247,147,26,.09) 98%),linear-gradient(0deg,transparent 97%,rgba(247,147,26,.09) 98%);background-size:34px 34px;mask-image:linear-gradient(90deg,transparent 25%,black);pointer-events:none}.intro-copy{position:relative;z-index:1;padding:55px 0}.eyebrow,.section-kicker{color:var(--orange);font-size:11px;letter-spacing:.17em;font-weight:700}.eyebrow{display:flex;align-items:center;gap:11px;margin:0 0 23px}.eyebrow-line{display:inline-block;width:21px;height:1px;background:var(--orange)}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--display);line-height:1.08}h1{font-size:clamp(40px,5.6vw,82px);letter-spacing:-.055em;margin-bottom:25px;font-weight:800}h1 em{font-style:normal;color:var(--orange)}.intro-lead{font-size:14px;line-height:1.85;max-width:620px;color:#d0d2cb}.intro-meta{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:30px;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}.intro-meta span:before{content:"+";color:var(--orange);margin-right:8px}.hero-art{min-height:360px;position:relative;display:grid;place-items:center}.hero-ring{position:absolute;border:1px solid rgba(247,147,26,.3);border-radius:50%;aspect-ratio:1}.ring-one{width:280px}.ring-two{width:205px;border-style:dashed;transform:rotate(20deg)}.hero-coin{display:grid;place-items:center;width:135px;height:135px;background:var(--orange);border-radius:50%;box-shadow:0 0 0 11px #1d1b16,0 0 0 12px rgba(247,147,26,.7),0 15px 60px rgba(247,147,26,.18);color:#19150f;font-size:96px;line-height:1;font-weight:700}.hero-index{position:absolute;bottom:30px;right:14px;color:#a77d4e;font-size:10px;letter-spacing:.15em}
.lab-section{padding:66px 0 65px}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:25px}.section-heading p{color:var(--muted);font-size:12px;margin:0}.level-switch{display:flex;gap:0;margin-bottom:24px;border:1px solid var(--line);width:max-content;max-width:100%}.level-button{padding:11px 22px;border:0;border-right:1px solid var(--line);background:transparent;color:var(--muted);font-size:12px}.level-button:last-child{border-right:0}.level-button[aria-pressed="true"]{background:var(--orange);color:#15120e;font-weight:700}.level-button:hover:not([aria-pressed="true"]){background:#24251f;color:var(--ink)}.lab-grid{display:grid;grid-template-columns:280px minmax(0,1fr);border:1px solid var(--line);background:var(--panel)}.module-aside{border-right:1px solid var(--line);display:flex;flex-direction:column}.aside-heading{padding:22px 22px 16px;display:flex;justify-content:space-between;color:#a1a69a;font-size:10px;letter-spacing:.15em;border-bottom:1px solid var(--line)}.module-list{display:flex;flex-direction:column}.module-button{width:100%;text-align:left;display:grid;grid-template-columns:28px 1fr 19px;gap:10px;align-items:start;padding:22px 19px;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink)}.module-button:hover{background:#23251f}.module-button[aria-current="true"]{background:#25241e;box-shadow:inset 3px 0 var(--orange)}.module-index{color:var(--orange);font-size:11px}.module-title{display:block;font-family:var(--display);font-size:17px;line-height:1.25;font-weight:700}.module-status{display:block;margin-top:6px;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.06em}.module-arrow{color:var(--orange);font-size:16px}.progress-panel{margin-top:auto;padding:25px 22px 26px;background:#1b1e19}.progress-panel p{margin:0}.progress-heading{display:flex;justify-content:space-between;gap:12px;color:#d8ddd0;font-size:11px}.progress-heading strong{color:var(--orange);font-size:12px}.progress-track{margin:14px 0 12px;height:4px;background:#444840}.progress-fill{height:100%;background:var(--orange);transition:width .3s ease}.progress-caption{font-size:10px;color:var(--muted)}
.lesson-workspace{min-width:0}.workspace-top{padding:27px clamp(20px,3.5vw,52px) 24px;border-bottom:1px solid var(--line)}.workspace-kicker{font-size:10px;letter-spacing:.16em;color:var(--orange);margin-bottom:13px}.workspace-top h2{font-size:clamp(31px,3.3vw,46px);letter-spacing:-.045em;margin-bottom:12px}.workspace-top p{color:var(--muted);max-width:780px;margin:0}.workspace-inner{padding:35px clamp(20px,3.5vw,52px) 44px}.step-label{color:var(--orange);font-size:10px;letter-spacing:.15em;font-weight:700;margin-bottom:13px}.lesson-block{border-left:2px solid var(--orange);padding-left:21px;margin-bottom:34px}.lesson-block h3{font-size:23px;letter-spacing:-.025em;margin-bottom:11px}.lesson-block p{color:#d3d6cd;margin-bottom:10px;max-width:760px}.scene-card{border:1px solid #5b553f;background:#20211d;margin-bottom:34px}.scene-header{border-bottom:1px solid #4a493d;padding:15px 21px;display:flex;justify-content:space-between;gap:15px;align-items:center}.scene-header h3{font-size:17px;margin:0}.scene-tag{font-size:9px;color:var(--orange);letter-spacing:.12em;white-space:nowrap}.scene-body{padding:18px 21px 22px}.scene-body p{margin:0 0 13px;color:#d5d7ce}.scene-body p:last-child{margin-bottom:0}.scene-note{border-left:2px solid var(--orange);padding:9px 12px;background:#292920;color:#e8d9bb!important}.comparison{width:100%;border-collapse:collapse;table-layout:fixed}.comparison th,.comparison td{text-align:left;vertical-align:top;padding:12px 9px;border-bottom:1px solid #41443c;overflow-wrap:anywhere}.comparison th{font-size:10px;color:var(--orange);letter-spacing:.08em;text-transform:uppercase}.comparison th:first-child{width:24%}.comparison td:first-child{font-size:11px;color:var(--muted)}.comparison tr:last-child td{border-bottom:0}.message-meta{display:grid;grid-template-columns:65px 1fr;gap:5px 12px;margin-bottom:17px;padding-bottom:14px;border-bottom:1px solid #41443c}.message-meta dt{color:var(--muted)}.message-meta dd{margin:0;overflow-wrap:anywhere}.message-paper{padding:16px;background:#2a2b26;border-left:2px solid #777b70}.message-paper p{white-space:pre-line}.fee-example{display:flex;gap:12px 20px;flex-wrap:wrap;margin:0 0 14px}.fee-example span{padding:7px 10px;border:1px solid #55594d;color:var(--orange-soft)}.fee-calc{margin:0 0 34px;padding:22px;border:1px solid var(--line);background:#1f221e}.fee-calc-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px}.fee-calc h3{font-size:18px;margin-bottom:15px}.fee-calc label{display:block;color:#d3d7cc;margin-bottom:11px}.fee-calc input[type="range"]{width:100%;accent-color:var(--orange)}.fee-calc-output{display:flex;gap:10px 24px;flex-wrap:wrap;margin:13px 0;color:var(--orange-soft)}.fee-calc-output strong{font-size:21px;font-family:var(--display);color:var(--ink)}.fee-calc small{display:block;color:var(--muted)}
.question-block{border-top:1px solid var(--line);padding-top:31px}.question-block h3{font-size:24px;letter-spacing:-.03em;margin-bottom:20px;max-width:760px}.answer-list{display:grid;gap:9px;border:0;margin:0;padding:0}.answer-option{display:flex;gap:14px;align-items:flex-start;border:1px solid #4a4e44;background:#20231e;padding:14px 17px;cursor:pointer}.answer-option:hover{border-color:#9b7342}.answer-option:has(input:checked){border-color:var(--orange);background:#2b281e}.answer-option input{accent-color:var(--orange);margin:4px 0 0;flex:0 0 auto}.answer-option span{color:#e6e8df}.question-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:20px 0 0}.primary-button{background:var(--orange);color:#17120b;border:1px solid var(--orange);padding:11px 20px;font-weight:700}.primary-button:hover{background:#ffae4f}.secondary-button,.small-button{background:transparent;color:var(--ink);border:1px solid #777d70;padding:10px 16px}.secondary-button:hover,.small-button:hover{border-color:var(--orange);color:var(--orange)}.hint-panel{margin-top:18px;padding:16px 18px;border:1px solid #806337;background:#2a271f;color:#f3d9ad}.feedback{margin-top:24px;border-left:3px solid var(--good);padding:17px 19px;background:#202a20}.feedback.needs-practice{border-color:var(--orange);background:#2a281e}.feedback.wrong{border-color:var(--bad);background:#2a2220}.feedback h4{font-family:var(--display);font-size:19px;line-height:1.2;margin:0 0 10px}.feedback p{margin:0 0 11px}.feedback ul{padding-left:19px;margin:10px 0 0}.feedback li{margin:5px 0;color:#d7ddd2}.feedback li.chosen{color:var(--orange-soft)}.followup{margin-top:28px;padding:25px;border:1px solid #8a6537;background:#24231d}.followup .step-label{margin-bottom:8px}.followup h3{font-size:22px;margin-bottom:9px}.followup>p{color:var(--muted)}.takeaway{margin-top:26px;border-top:1px solid var(--line);padding-top:22px}.takeaway h3{font-size:19px;margin-bottom:8px}.takeaway p{color:#d8dbd0}.source-list{margin-top:26px;border-top:1px solid var(--line);padding-top:18px}.source-list h3{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted)}.source-list ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:7px 22px;font-size:11px}.source-list a:after{content:" ↗"}
.completion-section{border-top:1px solid var(--line);padding:48px 0 58px}.completion-grid{display:grid;grid-template-columns:1fr auto;gap:25px;align-items:center}.completion-section h2{font-size:clamp(28px,3vw,43px);letter-spacing:-.04em;margin:8px 0 13px}.completion-section p{max-width:790px;color:var(--muted);margin:0}.completion-actions{display:flex;gap:11px;flex-wrap:wrap;justify-content:flex-end}.completion-note{margin-top:18px!important;font-size:11px}.controls-section{border-top:1px solid var(--line);padding:47px 0 59px;display:grid;grid-template-columns:1fr 1fr;gap:40px}.controls-copy h2{font-size:clamp(25px,2.5vw,36px);letter-spacing:-.035em;margin:8px 0 12px}.controls-copy p:last-child{color:var(--muted);margin:0;max-width:520px}.controls-actions{align-self:center}.storage-toggle{display:flex;align-items:center;gap:14px;cursor:pointer;padding:15px;border:1px solid var(--line);background:var(--panel)}.storage-toggle input{position:absolute;opacity:0;width:1px;height:1px}.storage-toggle:has(input:focus-visible){outline:3px solid var(--orange);outline-offset:4px}.toggle-visual{width:38px;height:22px;border:1px solid #777;border-radius:20px;position:relative;flex:0 0 auto}.toggle-visual:after{content:"";position:absolute;top:3px;left:3px;width:14px;height:14px;border-radius:50%;background:#bbb;transition:transform .2s}.storage-toggle:has(input:checked) .toggle-visual{background:var(--orange);border-color:var(--orange)}.storage-toggle:has(input:checked) .toggle-visual:after{background:#18140e;transform:translateX(16px)}.storage-toggle strong,.storage-toggle small{display:block}.storage-toggle strong{font-size:12px}.storage-toggle small{font-size:10px;color:var(--muted)}.text-button{margin-top:13px;padding:6px 0;background:transparent;border:0;border-bottom:1px solid #858b7c;color:var(--muted);font-size:11px}.text-button:hover{color:var(--orange);border-color:var(--orange)}.reset-confirmation{margin-top:13px;padding:15px;border:1px solid #8a5a45;background:#29211e}.reset-confirmation p{margin-bottom:10px}.reset-confirmation>div{display:flex;gap:8px;flex-wrap:wrap}.small-button{font-size:11px;padding:7px 11px}.danger{border-color:#b88072;color:#ffd1c7}.site-footer{border-top:1px solid var(--line);padding:25px 0 35px;display:flex;justify-content:space-between;gap:20px;color:#999f93;font-size:10px;letter-spacing:.05em}.site-footer p{margin:0}
@media(max-width:960px){.intro{grid-template-columns:1fr .4fr}.hero-ring.ring-one{width:220px}.hero-ring.ring-two{width:155px}.hero-coin{width:100px;height:100px;font-size:70px}.lab-grid{grid-template-columns:235px minmax(0,1fr)}.module-button{padding:18px 14px}.controls-section{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.site-header{height:auto;min-height:75px}.brand-name{font-size:11px}.intro{grid-template-columns:1fr;min-height:0}.intro-copy{padding:65px 0 44px}.hero-art{display:none}.section-heading{display:block}.section-heading p{margin-top:8px}.lab-grid{display:block}.module-aside{border-right:0;border-bottom:1px solid var(--line)}.module-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.module-button{display:block;min-height:100px;border-right:1px solid var(--line);padding:14px}.module-button:last-child{border-right:0}.module-index{display:block;margin-bottom:8px}.module-title{font-size:13px}.module-status{font-size:9px}.module-arrow{display:none}.progress-panel{padding:15px}.completion-grid,.controls-section{display:block}.completion-actions{justify-content:flex-start;margin-top:20px}.controls-actions{margin-top:22px}.site-footer{flex-wrap:wrap}}
@media(max-width:440px){.site-shell{padding:0 16px}.site-header{gap:8px}.brand{gap:8px}.brand-mark{width:29px;height:29px;font-size:19px;flex:0 0 auto}.brand-name{font-size:9px;letter-spacing:.04em}.brand-divider{margin:0 4px}.local-badge{font-size:8px;padding:5px 6px}.badge-dot{margin-right:4px}.intro-copy{padding:51px 0 38px}h1{font-size:40px}.intro-lead{font-size:13px}.lab-section{padding:43px 0}.level-switch{width:100%}.level-button{flex:1;padding:10px 8px}.module-button{padding:10px;min-height:98px}.module-title{font-size:12px}.workspace-top,.workspace-inner{padding-left:18px;padding-right:18px}.comparison{font-size:11px}.comparison th,.comparison td{padding:9px 5px}.comparison th:first-child{width:25%}.scene-header,.scene-body{padding-left:13px;padding-right:13px}.scene-tag{white-space:normal;text-align:right}.followup{padding:17px}.site-footer{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}
@media print{@page{size:A4;margin:17mm}body{background:#fff;color:#111;font:11pt/1.5 Arial,sans-serif}.site-header,.intro,.lab-section,.controls-section,.site-footer,.completion-actions,.completion-note{display:none!important}.site-shell{padding:0;max-width:none}.completion-section{padding:0;border:0}.completion-section h2{color:#111;font-size:24pt}.completion-section p{color:#222}.print-checklist{display:block!important;margin-top:17mm}.print-checklist h3{font-size:16pt}.print-checklist li{padding:4mm 0;border-bottom:1px solid #aaa;break-inside:avoid}.print-checklist li:before{content:"☐ ";font-size:15pt}.print-source{font-size:9pt;color:#444;margin-top:15mm}}
@font-face{font-family:Archivo;src:url('/?cw_bitcoinlab_asset=assets%2Farchivo.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url('/?cw_bitcoinlab_asset=assets%2Fplex-mono.woff2') format('woff2');font-weight:400;font-display:swap}
.tutor-row{display:flex;align-items:center;gap:17px;border:1px solid var(--line);padding:13px 18px;margin:0 0 28px;background:#1c211e}.tutor-row img{width:70px;height:70px;object-fit:contain;flex:0 0 auto}.tutor-row p{margin:0;color:#dce0d7}.tutor-row strong{display:block;color:var(--orange);font-size:10px;letter-spacing:.14em;margin-bottom:3px}.print-checklist{display:none}

@media(max-width:600px){
.comparison thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.comparison,.comparison tbody{display:block}
.comparison tr{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid #41443c;padding:11px 0}
.comparison td{display:block;border:0;padding:4px 5px;font-size:12px}
.comparison td:first-child{grid-column:1/-1;width:auto;color:var(--ink);font-size:12px;font-weight:700;margin-bottom:6px}
.comparison td[data-label]:before{content:attr(data-label);display:block;color:var(--orange);font-size:9px;margin-bottom:5px}
.scene-header{align-items:flex-start;flex-direction:column;gap:7px}
.scene-tag{text-align:left}
}
@media(max-width:440px){.site-header{flex-wrap:wrap;padding-top:17px;padding-bottom:17px;gap:12px}.tutor-row{padding:12px;gap:12px}.tutor-row img{width:52px;height:52px}}
.module-title,.module-status,.lesson-workspace{overflow-wrap:anywhere}

/* Fallansichten: Auftrag, Simulation, Entscheidung, optionale Erklärung. */
.intro{min-height:310px}.intro-copy{padding:32px 0}.hero-art{min-height:280px}.hero-ring.ring-one{width:220px}.hero-ring.ring-two{width:160px}.hero-coin{width:108px;height:108px;font-size:77px}.intro h1{font-size:clamp(40px,4.9vw,68px);margin-bottom:17px}.intro-lead{margin-bottom:0}.intro-meta{margin-top:20px}
.progress-revision{margin-top:12px!important;padding-top:9px;border-top:1px solid #444940;color:#d4b184;font-size:9px;letter-spacing:.04em}
.workspace-top{padding-top:23px;padding-bottom:21px}.workspace-inner{padding-top:24px}.assignment{border:1px solid #8c6437;background:#28251e;padding:21px 23px;margin-bottom:24px;box-shadow:inset 3px 0 var(--orange)}.assignment-head{display:flex;align-items:start;justify-content:space-between;gap:13px;margin-bottom:9px}.assignment .step-label{margin:0}.assignment h3{font-size:22px;margin-bottom:8px}.assignment>p{color:#e1d6c4;margin-bottom:0}.assignment-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px 25px;border-top:1px solid #665644;padding-top:16px;margin:17px 0 0}.assignment-grid>div{min-width:0}.assignment-grid dt{font-size:10px;color:#c4ad8b;text-transform:uppercase;letter-spacing:.08em}.assignment-grid dd{margin:3px 0 0;font-weight:700}.assignment-address{grid-column:1/-1}.assignment-address dd{font-weight:400}.simulation-badge{display:inline-block;white-space:nowrap;border:1px solid #936e3c;background:#312919;color:#ffb45d;padding:4px 8px;font-size:9px;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.scene-card{margin-bottom:28px;background:#1b1e1a;border-color:#4c5347}.scene-header{align-items:center}.scene-header .step-label{margin:0 0 6px}.scene-header h3{font-size:20px}.scene-body{padding:20px}.bitcoin-address{display:block;width:100%;font-family:var(--mono);font-size:clamp(12px,1.05vw,14px);font-weight:600;line-height:1.65;letter-spacing:.015em;overflow-wrap:anywhere;word-break:break-all;user-select:text;color:#f4f1e6}.simulator-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:18px;align-items:start}.desktop-wallet{min-width:0;border:1px solid #5c6258;background:#272c27;box-shadow:0 12px 30px rgba(0,0,0,.18)}.wallet-chrome{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 14px;background:#343b33;border-bottom:1px solid #5b6256;color:#d0d5ca;font-size:9px;letter-spacing:.06em}.wallet-chrome>span:last-child{color:#ffb45d;font-weight:700}.chrome-dots{display:flex;gap:4px}.chrome-dots i{display:block;width:5px;height:5px;border-radius:50%;background:#848f7d}.wallet-view{padding:23px 22px 20px}.wallet-title,.fee-wallet-title{display:flex;gap:12px;align-items:center;margin-bottom:24px}.wallet-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--orange);color:#1f180d;font-size:25px;font-weight:700}.wallet-title small,.fee-wallet-title small{display:block;color:var(--orange-soft);font-size:9px;letter-spacing:.12em}.wallet-title h4,.fee-wallet-title h4{font-family:var(--display);font-size:23px;line-height:1.1;margin:2px 0 0}.wallet-field{padding:12px 0;border-top:1px solid #465045;display:flex;justify-content:space-between;gap:12px;align-items:baseline}.wallet-field>span:first-child{color:#bfc8ba;font-size:11px}.wallet-field strong{font-size:12px;text-align:right}.wallet-address{display:block}.wallet-address>span:first-child{display:block;color:var(--orange-soft);font-size:10px;font-weight:700;letter-spacing:.1em;margin-bottom:7px}.wallet-total{border-top:1px solid #a2733d;margin-top:4px;padding-top:15px;display:flex;justify-content:space-between;gap:15px;color:#fff}.wallet-total span{font-size:11px}.wallet-total strong{font-size:13px;white-space:nowrap}.device-wrap{min-width:0}.device-label{font-size:9px;color:#e0a554;letter-spacing:.12em;margin:0 0 10px}.hardware-device{margin:auto;max-width:350px;padding:21px 19px 14px;border:4px solid #555c54;border-radius:26px;background:#313833;box-shadow:0 12px 26px rgba(0,0,0,.3),inset 0 1px 0 #868d80}.device-screen{min-width:0;border:2px solid #90998a;border-radius:8px;padding:15px;background:#dbe6d0;color:#18251d;box-shadow:inset 0 0 14px rgba(25,45,22,.12)}.device-top{display:flex;justify-content:space-between;gap:5px;color:#355342;font-size:8px;letter-spacing:.09em;font-weight:700}.device-screen h4{font-family:var(--display);font-size:20px;margin:16px 0 15px}.device-field-label{display:block;color:#44674e;font-size:9px;letter-spacing:.1em;font-weight:700}.device-screen .bitcoin-address{font-size:11px;color:#101f16;margin-top:5px;font-weight:700}.device-value{border-top:1px solid #aab9a6;margin-top:14px;padding-top:8px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 10px;font-size:10px}.device-value strong{font-size:12px}.device-controls{display:flex;justify-content:center;gap:95px;margin-top:15px}.device-controls span{width:21px;height:21px;border-radius:50%;background:#718073;border:2px solid #a4afa0}.device-footnote,.simulation-footnote{color:#aeb6a9;font-size:10px;margin:9px 0 0}.transaction-details,.lesson-details,.fee-calc{margin:23px 0;border:1px solid #4d554b;background:#21251f}.transaction-details summary,.lesson-details summary,.fee-calc summary{cursor:pointer;padding:15px 18px;color:#e6e9de;font-weight:700;list-style:revert}.transaction-details summary:hover,.lesson-details summary:hover,.fee-calc summary:hover{color:var(--orange-soft)}.transaction-details dl{padding:0 18px;margin:0}.transaction-details dl>div{display:flex;justify-content:space-between;gap:15px;border-top:1px solid #4d554b;padding:10px 0}.transaction-details dt{color:#b8c2b4}.transaction-details dd{margin:0;text-align:right}.transaction-details>p{padding:0 18px 15px;margin:0;color:#c9d2c5;font-size:11px}.lesson-details-content{border-top:1px solid #4d554b;padding:17px 19px}.lesson-details-content p{margin:0 0 12px}.lesson-details-content p:last-child{margin:0}.question-block{padding-top:25px}.question-block .step-label{margin-bottom:9px}.question-block h3{margin-bottom:18px}.tutor-row{margin-top:24px;margin-bottom:20px}
.mail-app{display:grid;grid-template-columns:145px minmax(0,1fr);min-height:320px;border:1px solid #566052;background:#eef0e8;color:#19231b}.mail-sidebar{padding:21px 12px;background:#263329;color:#f3f5ed;display:flex;flex-direction:column;gap:7px}.mail-logo{display:grid;place-items:center;width:34px;height:34px;margin-bottom:15px;border-radius:8px;background:#d5e2cb;color:#263329;font-size:22px}.mail-sidebar strong{font-size:12px}.mail-sidebar>span:last-child{font-size:10px;color:#bacbbb}.mail-message{min-width:0;padding:27px 28px;color:#172018}.mail-meta{display:grid;grid-template-columns:44px minmax(0,1fr);gap:6px 11px;padding-bottom:16px;border-bottom:1px solid #bac7b9}.mail-meta>span{color:#5d6b5f;font-size:9px;letter-spacing:.08em}.mail-meta strong,.mail-meta time{overflow-wrap:anywhere;font-size:12px}.mail-message h4{font-family:var(--display);font-size:24px;line-height:1.2;margin:22px 0}.mail-body p{margin:0 0 15px;color:#233026;white-space:pre-line}.mail-attachment{display:flex;gap:8px;align-items:center;flex-wrap:wrap;width:max-content;max-width:100%;margin-top:20px;padding:9px 11px;border:1px solid #a9b7a7;background:#e1e8db;overflow-wrap:anywhere}.mail-attachment small{color:#5d6c60}.scene-body .simulation-footnote{margin-top:11px}
.fee-wallet{max-width:690px;margin:auto;border:1px solid #596458;background:#283029}.fee-wallet-content{padding:25px 28px}.fee-wallet-title{margin-bottom:20px}.fee-fixed{display:inline-block;padding:4px 10px;border:1px solid #9f783f;color:#ffbf6a;font-size:10px;letter-spacing:.08em;margin-bottom:16px}.fee-wallet dl{margin:0}.fee-wallet dl>div{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-top:1px solid #546052}.fee-wallet dt{color:#d2dacc}.fee-wallet dd{margin:0;font-weight:700;white-space:nowrap}.fee-wallet .fee-unknown{border-top:1px solid var(--orange);color:var(--orange-soft)}.fee-wallet-content>p{font-size:11px;color:#bdc7bb;margin:10px 0 0}.fee-calc{padding:0}.fee-calc-content{padding:0 19px 18px}.fee-calc-content>p{font-size:11px;color:#d1c2a8;padding-top:15px;border-top:1px solid #4d554b}.fee-calc label{margin-top:18px}
@media(max-width:1100px){.simulator-grid{grid-template-columns:1fr}.device-wrap{max-width:420px;width:100%;margin:0 auto}.hardware-device{max-width:380px}}
@media(max-width:700px){.intro{min-height:0}.intro-copy{padding:39px 0 31px}.assignment-grid{grid-template-columns:1fr 1fr}.mail-app{grid-template-columns:1fr}.mail-sidebar{padding:11px 16px;display:flex;flex-direction:row;align-items:center}.mail-logo{margin:0;width:26px;height:26px;font-size:17px}.mail-sidebar>span:last-child{margin-left:auto}.mail-message{padding:20px}}
@media(max-width:440px){.intro-copy{padding:34px 0 28px}.intro h1{font-size:39px}.intro-meta{margin-top:16px}.assignment,.scene-body{padding:15px}.assignment-grid{grid-template-columns:1fr;gap:10px}.assignment-address{grid-column:1}.scene-header{align-items:flex-start}.simulation-badge{white-space:normal;text-align:center}.wallet-view{padding:17px 15px}.wallet-field{display:block}.wallet-field strong{display:block;text-align:left;margin-top:3px}.wallet-total{display:block}.wallet-total strong{display:block}.hardware-device{padding:14px 12px 9px}.device-screen{padding:11px}.fee-wallet-content{padding:17px}.fee-wallet dl>div{display:block}.fee-wallet dd{margin-top:3px}.mail-sidebar strong{font-size:11px}.mail-message h4{font-size:21px}}
.payment-comparison-intro{padding:11px 14px;margin:0 0 18px!important;background:#283026;border-left:2px solid var(--orange);color:#e9eee1!important;font-weight:700}
.device-screen .bitcoin-address{font-size:14px;line-height:1.6;letter-spacing:0;word-break:normal;text-wrap:balance}

/* Geführter Grundkurs mit Kapitel-Navigation und lesbaren Simulationsflächen. */
.mobile-station-picker{display:none}.module-list{display:block;max-height:640px;overflow-y:auto;overscroll-behavior:contain;scrollbar-color:#765731 #20231f;scrollbar-width:thin}.module-group-title{margin:0;padding:15px 20px 9px;color:#e4a958;background:#1c201a;border-bottom:1px solid #3b4239;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.module-group+.module-group .module-group-title{border-top:1px solid #4c5348}.module-group .module-button{min-height:0;padding:13px 16px}.module-group .module-title{font-size:14px}.module-group .module-status{margin-top:3px}.module-group .module-index{padding-top:2px}.station-meta{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 11px}.station-meta span{border:1px solid #5a614f;padding:3px 8px;color:#d7d6c9;font-size:10px}.station-meta span:first-child{border-color:#99703b;color:#ffb75e}.workspace-top>p:last-child strong{color:var(--orange-soft)}.learning-primer{margin:0 0 24px;padding:19px 22px;border:1px solid #53604f;background:#202921}.learning-primer .step-label{margin:0 0 7px}.learning-primer h3{font-size:22px;margin:0 0 10px}.learning-primer p:not(.step-label){color:#dce5d9;margin:0 0 8px;max-width:860px}.learning-primer p:last-child{margin-bottom:0}.station-navigation{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:25px 0 0;margin-top:24px;border-top:1px solid var(--line)}.station-navigation>span{color:#bec6b9;font-size:11px;white-space:nowrap}.takeaway .primary-button{display:inline-block;margin-top:9px}.journey-simulator{max-width:850px;margin:auto;border:1px solid #68715f;background:#282f28;box-shadow:0 12px 30px rgba(0,0,0,.18)}.journey-app-bar{display:flex;align-items:center;gap:11px;padding:12px 17px;border-bottom:1px solid #626d5f;background:#343e34;color:#f2f4ec;font-size:11px}.journey-app-bar>span:last-child{margin-left:auto;color:#c9ac7b;font-size:9px;letter-spacing:.08em}.journey-app-symbol{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:var(--orange);color:#21190d;font-size:19px;font-weight:700}.journey-app-body{padding:27px 30px}.journey-screen-heading{display:flex;align-items:start;justify-content:space-between;gap:14px;margin-bottom:20px}.journey-type{font-size:9px;color:var(--orange-soft);letter-spacing:.14em;font-weight:700}.journey-screen-heading h4{font-family:var(--display);font-size:clamp(22px,2.5vw,31px);line-height:1.12;margin:5px 0 0}.journey-status{border:1px solid #ab814a;padding:5px 8px;color:#ffc476;font-size:10px;max-width:145px;text-align:right}.journey-fields{margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.journey-field{min-width:0;padding:13px 16px;border:1px solid #596458;background:#222a23}.journey-field dt{font-size:10px;color:#afc0ad;text-transform:uppercase;letter-spacing:.07em}.journey-field dd{margin:5px 0 0;color:#f4f6ed;font-family:var(--display);font-size:18px;font-weight:700;line-height:1.35;overflow-wrap:anywhere}.journey-field .bitcoin-address{font-family:var(--mono);font-size:14px;font-weight:600}.journey-field:has(.bitcoin-address){grid-column:1/-1}.journey-steps{list-style:none;margin:21px 0 0;padding:0;border-top:1px solid #63705e}.journey-step{display:grid;grid-template-columns:31px 1fr;gap:10px;padding:12px 2px;border-bottom:1px solid #596558}.journey-step-number{display:grid;place-items:center;width:25px;height:25px;border:1px solid #8b9588;border-radius:50%;font-size:10px}.journey-step strong,.journey-step small{display:block}.journey-step strong{font-size:12px}.journey-step small{color:#b9c6b7;font-size:11px}.journey-step-done .journey-step-number{background:#718f70;color:#132013;border-color:#718f70}.journey-step-current .journey-step-number{border-color:var(--orange);color:var(--orange)}.journey-step-upcoming{opacity:.75}.journey-notice,.journey-privacy{padding:11px 13px;margin:19px 0 0!important;border-left:2px solid var(--orange);background:#343126;color:#f4e3c6!important}.journey-privacy{border-color:#c8ab73;background:#353a2c;font-size:11px}.journey-exchange .journey-field:first-child,.journey-custody .journey-field:first-child{grid-column:1/-1;background:#323b31;border-color:#8f743f}.journey-exchange .journey-field:first-child dd,.journey-custody .journey-field:first-child dd{font-size:clamp(22px,3vw,32px);color:#ffbf6b}.journey-hardware,.journey-backup,.journey-recovery{max-width:690px}.journey-hardware .journey-app-body,.journey-recovery .journey-app-body{border:11px solid #424a40;border-radius:0 0 20px 20px;margin:17px;background:#d9e2d4;color:#19251b}.journey-hardware .journey-type,.journey-recovery .journey-type{color:#6a4a19}.journey-hardware .journey-status,.journey-recovery .journey-status{color:#493816;border-color:#8a7045}.journey-hardware .journey-field,.journey-recovery .journey-field{background:#e6ecdf;border-color:#b2bfb0}.journey-hardware .journey-field dt,.journey-recovery .journey-field dt{color:#536b55}.journey-hardware .journey-field dd,.journey-recovery .journey-field dd{color:#17251b}.journey-hardware .journey-step,.journey-recovery .journey-step{border-color:#aab7a6}.journey-hardware .journey-step small,.journey-recovery .journey-step small{color:#516453}.journey-hardware .journey-notice,.journey-recovery .journey-notice{background:#eee0c0;color:#32291c!important}.journey-backup .journey-app-body{background:#eae2ca;color:#302d23}.journey-backup .journey-type{color:#8c5924}.journey-backup .journey-status{color:#664829}.journey-backup .journey-field{background:#f5ecd4;border-color:#cabb95}.journey-backup .journey-field dt{color:#705b3d}.journey-backup .journey-field dd{color:#2d2a24}.journey-backup .journey-step{border-color:#c8b99c}.journey-backup .journey-step small{color:#5d5649}.journey-withdrawal .journey-field:has(.bitcoin-address){border-color:#a88041;background:#32372b}
@media(max-width:700px){.mobile-station-picker{display:block;padding:15px;border-bottom:1px solid var(--line)}.mobile-station-picker label{display:block;margin-bottom:6px;color:var(--orange-soft);font-size:10px;letter-spacing:.08em;text-transform:uppercase}.mobile-station-picker select{width:100%;padding:10px 35px 10px 10px;border:1px solid #78806f;border-radius:0;background:#252b25;color:var(--ink);font:12px var(--mono)}.module-list{display:none}.module-aside{border-bottom:1px solid var(--line)}.progress-panel{margin-top:0}.station-navigation{gap:10px}.station-navigation .secondary-button{padding:9px 12px;font-size:11px}}
@media(max-width:440px){.station-meta{gap:5px}.station-meta span{font-size:9px}.learning-primer{padding:15px}.journey-app-bar{padding:9px 11px}.journey-app-bar>span:last-child{font-size:8px}.journey-app-body{padding:18px 16px}.journey-screen-heading{display:block}.journey-status{display:inline-block;margin-top:10px}.journey-fields{grid-template-columns:1fr}.journey-field:has(.bitcoin-address){grid-column:1}.journey-hardware .journey-app-body,.journey-recovery .journey-app-body{margin:8px;border-width:6px;padding:14px 10px}.station-navigation{flex-wrap:wrap}.station-navigation>span{order:-1;width:100%;text-align:center}.station-navigation .secondary-button{flex:1}}

.bitcoin-address{font-size:14px}
@media(max-width:440px){.question-block h3,.followup h3{font-size:21px;line-height:1.25}}

/* Weiche App-Oberfläche: eigenständiger Einstieg und fokussierter Lernraum. */
:root{--bg:#141416;--panel:#1e1e21;--panel2:#272529;--ink:#f6f3ed;--muted:#bbb5ad;--line:#443c40;--orange:#f7931a;--orange-soft:#ffc082;--good:#b1d8b4;--bad:#ffc0b5}
[hidden]{display:none!important}html{scroll-padding-top:100px}body{font:15px/1.7 var(--display);-webkit-font-smoothing:antialiased;background:var(--bg)}body[data-view='welcome']{background:radial-gradient(ellipse 620px 420px at 50% 16%,#2c211a 0,transparent 76%),var(--bg)}button,input,select{font:inherit}button{transition:background .18s ease,border-color .18s ease,box-shadow .18s ease}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}h1,h2,h3,h4{line-height:1.22;font-weight:650}h1:focus,h2:focus,#main:focus{outline:none}:focus-visible{outline:3px solid var(--orange-soft);outline-offset:4px}.skip-link{position:fixed;border-radius:12px}.site-shell{max-width:1536px;padding:0 clamp(20px,3.2vw,48px)}.site-header{height:auto;min-height:94px;gap:18px;border-color:#ffffff0b}.brand{display:flex;align-items:center;gap:12px;background:none;border:0;color:var(--ink);padding:0 5px 0 0;border-radius:12px;text-align:left}.brand-logo{width:192px;height:76px;object-fit:cover;object-position:center;mix-blend-mode:screen}.brand-name{border-left:1px solid #555054;padding-left:18px;font-size:16px;font-weight:500;letter-spacing:-.025em;white-space:nowrap}.brand-name strong{color:var(--orange-soft);font-weight:550}.header-actions{display:flex;align-items:center;gap:6px}.header-button{background:transparent;border:0;border-radius:12px;color:var(--muted);padding:10px 13px;min-height:44px;font-size:13px}.header-button:hover{background:#ffffff09;color:var(--ink)}.local-badge{display:flex;align-items:center;gap:7px;color:#d6c1a5;font-size:11px;padding:7px 11px;border:1px solid #5a4834;border-radius:99px;margin-left:6px;white-space:nowrap;letter-spacing:0;text-transform:none}.badge-dot{width:5px;height:5px;margin:0}.welcome-view{max-width:850px;margin:auto;padding:36px 0 26px;text-align:center;min-height:calc(100svh - 230px)}.welcome-heading{max-width:700px;margin:auto}.welcome-emblem{position:relative;display:grid;place-items:center;width:146px;height:110px;margin:0 auto 21px}.bitcoin-disc{position:relative;display:block;width:78px;height:78px;border-radius:50%}.btc-symbol{display:block;width:100%;height:100%;object-fit:contain;border-radius:50%}.eyebrow,.section-kicker{font:500 10px/1.5 var(--mono);letter-spacing:.14em;color:var(--orange-soft)}.welcome-heading .eyebrow{display:block;margin:0 0 14px}.welcome-heading h1{font-size:clamp(40px,5vw,62px);letter-spacing:-.052em;font-weight:650;line-height:1.1;margin-bottom:20px}.welcome-heading h1 span{color:#f2b86e}.welcome-lead{color:#c9c5bf;font-size:17px;line-height:1.7;margin:0 auto 30px}.welcome-levels{display:grid;grid-template-columns:1fr 1fr;gap:14px;text-align:left}.path-card{position:relative;display:flex;flex-direction:column;align-items:start;min-width:0;border:1px solid #3d3a3b;border-radius:22px;background:linear-gradient(135deg,#252427,#1e1e21);padding:23px 25px;color:var(--ink);text-align:left;box-shadow:0 8px 30px #0000000d}.path-card:hover{border-color:#8f7352;background:#2a2726}.path-card[aria-pressed='true']{border-color:#b5844e;background:linear-gradient(125deg,#342a21,#252321);box-shadow:0 0 0 1px #c8965720,0 12px 28px #00000012}.path-card-top{display:flex;align-items:center;width:100%;gap:10px;margin-bottom:13px}.path-number{font:11px var(--mono);color:#d3b99b}.path-tag{font-size:11px;color:#c1b7aa}.path-selection{width:17px;height:17px;flex:0 0 17px;margin-left:auto;border:1px solid #77716b;border-radius:50%;display:grid;place-items:center}.path-card[aria-pressed='true'] .path-selection{border-color:var(--orange);background:var(--orange)}.path-card[aria-pressed='true'] .path-selection:after{content:'';width:7px;height:7px;border-radius:50%;background:#302217}.path-title{font-size:23px;font-weight:600;letter-spacing:-.035em;margin-bottom:7px}.path-description{font-size:14px;line-height:1.65;color:#c9c5bf;max-width:340px}.path-meta{font-size:11px;color:#e3ba87;margin-top:16px}.welcome-action{margin:25px auto 0}.primary-button{color:#1c150b;border-color:transparent;border-radius:12px;padding:12px 20px;font-size:14px;font-weight:650;min-height:46px;line-height:1.4}.primary-button:hover{background:#ffab42;box-shadow:0 4px 16px #f7931a12}.welcome-start{min-width:265px;min-height:52px;border-radius:15px;font-size:15px;display:inline-flex;justify-content:space-between;gap:28px;align-items:center;padding:14px 22px}.welcome-start>span{font-size:22px;font-weight:400}.welcome-resume{font-size:12px;color:#b8b3ac;margin:12px 0 0}.welcome-details{display:flex;justify-content:center;flex-wrap:wrap;gap:10px 27px;margin:27px 0 0;font-size:12px;color:#bfb9b1}.welcome-details i{font-style:normal;color:#e2ad6d;margin-right:5px}.welcome-load{background:none;border:0;border-radius:9px;padding:12px 8px;margin:10px 0 0;font-size:12px;color:#aaa59f}.welcome-load>span:first-child{color:#d3c4b1;text-decoration:underline;text-underline-offset:4px}.welcome-load:hover{color:#e6e0d6}.preferences{max-width:1100px;margin:18px auto 25px;border:1px solid #343236;border-radius:16px;background:#1b1b1e;overflow:hidden}.preferences>summary{cursor:pointer;padding:17px 22px;display:flex;justify-content:space-between;gap:16px;list-style:none;font-size:13px;color:#d0ccc5}.preferences>summary:after{content:'+';font-size:18px;color:#c9a879}.preferences[open]>summary:after{content:'−'}.preferences-summary-note{margin-left:auto;font-size:12px;color:#a9a29a}.preferences>summary:hover{background:#ffffff04}.controls-section{border-top:1px solid #343236;padding:27px;gap:32px}.controls-copy h2{font-size:21px;letter-spacing:-.025em;margin:0 0 12px}.controls-copy p:last-child{font-size:13px;color:var(--muted)}.storage-toggle{gap:12px}.storage-toggle strong{font-size:14px;font-weight:550}.storage-toggle small{font-size:11px;line-height:1.65;color:#b1aca5}.toggle-visual{border-radius:99px}.storage-toggle input:focus-visible+.toggle-visual{outline:3px solid var(--orange-soft);outline-offset:4px}.text-button{border-radius:9px;font-size:12px;color:#c1b8ab;margin-top:12px}.reset-confirmation{border-radius:12px;padding:17px}.small-button,.secondary-button{background:#29262a;color:#e4d9ca;border:1px solid #6c5c58;border-radius:11px;padding:11px 16px;min-height:44px;font-size:13px;line-height:1.4}.secondary-button:hover,.small-button:hover{background:#372e28;border-color:#b18554;color:#f1d3ad}.small-button{font-size:12px;padding:8px 12px}.site-footer{border-top:0;padding:15px 0 27px;font-size:11px;color:#aaa49d;letter-spacing:0}.site-footer p{margin:0}.site-footer>span:last-child{color:#a69d92}
/* Navigation und Lektionsflächen. Die realistischen Simulationen bleiben erhalten. */
.lab-section{padding:27px 0 32px}.course-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}.course-heading .section-kicker{margin:0 0 6px}.course-heading h1{font-size:24px;letter-spacing:-.025em;margin:0;font-weight:550}.level-switch{gap:4px;padding:5px;background:#242326;border:1px solid #38363a;border-radius:14px;margin:0}.level-button{border:0;border-radius:10px;color:#beb9b2;padding:9px 17px;min-height:40px;font-size:12px;line-height:1.4}.level-button[aria-pressed='true']{background:#56412b;color:#ffe0b8;box-shadow:0 1px 5px #0000001c;font-weight:550}.level-button:hover:not([aria-pressed='true']){background:#323035}.lab-grid{grid-template-columns:258px minmax(0,1fr);gap:24px;align-items:start;border:0;background:none}.module-aside{position:sticky;top:24px;overflow:hidden;border:1px solid #343236;border-radius:18px;background:#1b1b1e}.aside-heading{padding:20px 19px 14px;color:#d8d2ca;font-size:12px;letter-spacing:0;border-bottom:0}.aside-heading>span:last-child{font:10px var(--mono);color:#aaa299}.module-list{max-height:min(650px,66vh);padding:0 8px 12px;scrollbar-color:#655543 #1b1b1e}.module-group-title{padding:17px 12px 9px;font-size:10px;line-height:1.5;font-weight:550;color:#b9a38a;background:none;border:0;letter-spacing:0;text-transform:none}.module-group+.module-group .module-group-title{border:0}.module-group .module-button{grid-template-columns:23px minmax(0,1fr) 12px;gap:9px;padding:11px;border:1px solid transparent;border-radius:11px}.module-button:hover{background:#28262a}.module-button[aria-current='true']{background:#352b22;border-color:#765a3b;box-shadow:none}.module-group .module-title{font-size:13px;line-height:1.4;font-weight:500}.module-index{font:10px/1.6 var(--mono);color:#be986d}.module-status{color:#ada69d;font-size:10px;letter-spacing:0;text-transform:none}.module-arrow{color:#cfb08a;font-size:12px}.progress-panel{padding:18px 19px 20px;border-top:1px solid #353136;background:#201f22}.progress-heading{font-size:9px;color:#c4beb6;letter-spacing:.025em}.progress-heading strong{font-size:12px;color:var(--orange-soft)}.progress-track{height:5px;background:#44403e;border-radius:9px;overflow:hidden;margin:13px 0 11px}.progress-fill{background:#e7a257;border-radius:9px}.progress-caption{font-size:10px;color:#b6aea4}.progress-revision{font-size:10px;color:#c4a981;border-color:#423930}.lesson-workspace{border:1px solid #39363a;border-radius:23px;background:#1e1e21;overflow:hidden;box-shadow:0 10px 32px #0000000c;overflow-wrap:normal}.workspace-top{padding:29px clamp(22px,3vw,42px) 25px;border-bottom:1px solid #383439;background:linear-gradient(110deg,#272323,#212023)}.workspace-top .workspace-kicker{font:10px/1.5 var(--mono);letter-spacing:.1em;color:#d9af7a;margin-bottom:12px}.station-meta{margin-bottom:17px}.station-meta span{font-size:10px;color:#bdb3a7;background:#ffffff05;border-color:#4b4240;border-radius:7px;padding:3px 8px}.station-meta span:first-child{color:#f0c48e;border-color:#76583a}.workspace-top h2{font-size:clamp(26px,2.5vw,36px);letter-spacing:-.04em;margin:0 0 12px;font-weight:600}.workspace-top>p:last-child{font-size:14px;color:#c6bfb6}.workspace-top>p:last-child strong{color:#eedac0;font-weight:550}.workspace-inner{padding:27px clamp(22px,3vw,42px) 32px}.step-label{font:500 10px/1.5 var(--mono);letter-spacing:.09em;color:#e4b47b}.assignment{padding:21px 24px;background:#2b251f;border-color:#695039;border-radius:16px;box-shadow:none}.assignment h3{font-size:21px;letter-spacing:-.02em}.assignment>p{font-size:14px;color:#dfd1bf}.simulation-badge{color:#f5c78f;background:#45301c;border-color:#81603c;border-radius:7px;font:9px/1.5 var(--mono);letter-spacing:0;text-transform:none}.assignment-grid{border-color:#594636}.assignment-grid dt{font-size:10px;color:#c7ad8c;text-transform:none;letter-spacing:0}.assignment-grid dd{font-size:14px;font-weight:550}.learning-primer{padding:23px 25px;background:#25262a;border-color:#4b494a;border-radius:16px}.learning-primer h3{font-size:22px;letter-spacing:-.025em;margin-bottom:15px}.learning-primer p:not(.step-label){font-size:15px;line-height:1.8;color:#ddd9d2;margin-bottom:13px}.scene-card{border-color:#454045;background:#242326;border-radius:18px;overflow:hidden;margin-bottom:29px}.scene-header{padding:20px 23px;border-color:#454045}.scene-header h3{font-size:20px;letter-spacing:-.02em}.scene-body{padding:23px}.bitcoin-address{font:14px/1.7 var(--mono);color:#f5f0e7;word-break:normal;letter-spacing:0}.payment-comparison-intro{border:1px solid #61513e;border-radius:11px;background:#342c23;color:#ecdbc4!important;font-size:13px;font-weight:500}.desktop-wallet,.fee-wallet,.journey-simulator{border-color:#636168;border-radius:14px;background:#2c2e32;overflow:hidden;box-shadow:0 12px 24px #0000001c}.wallet-chrome{background:#3b3d42;border-color:#636168;color:#ddd9d1;font:9px/1.5 var(--mono);letter-spacing:0}.wallet-icon,.journey-app-symbol{display:block;flex:0 0 auto;background:none;border:0;width:35px;height:35px}.wallet-icon img,.journey-app-symbol img{display:block;width:100%;height:100%;object-fit:contain}.journey-app-symbol{width:25px;height:25px}.wallet-field{border-color:#505057}.wallet-field>span:first-child{color:#c4bfb9}.wallet-address>span:first-child{color:#eac08b;font:10px/1.6 var(--mono)}.wallet-title h4,.fee-wallet-title h4{font-size:22px;letter-spacing:-.03em}.device-screen{background:#e0e9d7}.device-screen .bitcoin-address{font-size:14px;color:#152317}.device-footnote,.simulation-footnote{color:#b9b2a8;font-size:10px}.transaction-details,.lesson-details,.fee-calc{border-color:#4a4448;border-radius:13px;background:#252326;overflow:hidden}.transaction-details summary,.lesson-details summary,.fee-calc summary{font-size:13px;font-weight:500;color:#d7d0c6;padding:16px 18px}.transaction-details dt{color:#c3b9ad}.transaction-details dl>div{font-size:12px;border-color:#494248}.transaction-details>p{color:#c2baaf}.lesson-details-content{border-color:#484147;padding:20px}.lesson-details-content p{font-size:14px;color:#d1c9bd}.scene-note{border-color:#c19053;background:#302820;color:#e5d2b8!important;border-radius:0 9px 9px 0}.mail-app{border-radius:13px;overflow:hidden}.mail-message h4{font-size:23px;letter-spacing:-.025em}.mail-attachment{border-radius:7px}.fee-wallet .fee-unknown{border-color:#d69b50}.fee-fixed{border-radius:6px}.journey-app-bar{background:#3a3e40;border-color:#626167;color:#eeebe6}.journey-app-bar>span:last-child{color:#d7bc98}.journey-screen-heading h4{font-size:clamp(22px,2vw,28px);letter-spacing:-.025em}.journey-status{border-radius:7px}.journey-field{border-radius:10px}.journey-field dt{font-size:10px;letter-spacing:0;text-transform:none}.journey-field dd{font-size:17px;line-height:1.45;font-weight:550}.journey-notice,.journey-privacy{border-radius:8px}.journey-step-upcoming{opacity:1}.journey-hardware .journey-app-body,.journey-recovery .journey-app-body{border-radius:18px}.journey-backup .journey-app-body{background:#eee4d1}.journey-backup .journey-field{background:#f9f1e1}
/* Entscheidungen, Rückmeldungen und responsive Ansichten. */
.question-block h3,.followup h3{font-size:24px;line-height:1.4;letter-spacing:-.026em;margin-bottom:21px}.answer-list{gap:10px;min-width:0}.answer-option{padding:16px 18px;border:1px solid #585059;border-radius:12px;background:#29262b;font-size:14px;line-height:1.65}.answer-option:hover{border-color:#a28058;background:#302a2c}.answer-option:has(input:checked){border-color:#e5aa66;background:#372c23;box-shadow:0 0 0 1px #e5aa6615}.answer-option input{margin-top:5px;width:16px;height:16px}.answer-option span{color:#ebe4da;min-width:0}.question-actions{gap:12px}.hint-panel{border-radius:13px;border-color:#9d7b4f;background:#3b3023;color:#f0d9b8;font-size:14px}.hint-panel small{display:block;font-size:11px;margin-top:5px}.feedback{border:1px solid #586a56;border-left:3px solid #afc9a2;border-radius:13px;padding:20px 22px;margin:25px 0;background:#293129;font-size:14px}.feedback.needs-practice{border-color:#8d734d;border-left-color:#e5b172;background:#332d23}.feedback.wrong{border-color:#8b635b;border-left-color:#eab3a2;background:#362b2a}.feedback h4{font-size:20px;letter-spacing:-.02em}.feedback li{margin:9px 0;color:#dbd3c6;font-size:13px;line-height:1.7}.followup{padding:24px;border:1px solid #a57b4a;border-radius:16px;background:#302821}.followup>p:not(.step-label){color:#d0bda7;font-size:13px;margin-bottom:19px}.takeaway{padding:24px;border-radius:15px;background:#2a2f27;border:1px solid #657156}.takeaway h3{font-size:21px}.takeaway p{font-size:14px;color:#d7dbc9}.takeaway .primary-button{margin-top:17px;max-width:100%;white-space:normal;text-align:left}.tutor-row{padding:14px 18px;gap:15px;border-color:#4c4546;border-radius:13px;background:#272427}.tutor-row img{width:52px;height:52px}.tutor-row p{font-size:12px;color:#cdc3b5}.tutor-row strong{font:9px/1.5 var(--mono);letter-spacing:.08em;color:#e0b985}.source-list{border-color:#443c40}.source-list h3{font:10px/1.6 var(--mono);letter-spacing:.07em;color:#c1b4a4}.source-list a{color:#dbc19e}.station-navigation{border-color:#4d4145}.station-navigation>span{color:#c2b4a3;font-size:11px}.station-navigation .secondary-button{font-size:11px;padding:10px 13px}.completion-section{padding:26px 29px;margin:0 0 29px 282px;border:1px solid #40383b;border-radius:18px;background:#201e21}.completion-section h2{font-size:24px;letter-spacing:-.03em;margin:0 0 12px;max-width:550px}.completion-section p{font-size:12px;color:#bfb4a6}.completion-actions{flex-direction:column}.completion-actions button{font-size:12px}.completion-note{font-size:10px!important}
@media(max-width:1180px){.lab-grid{grid-template-columns:225px minmax(0,1fr);gap:18px}.completion-section{margin-left:243px}.simulator-grid{grid-template-columns:1fr}.device-wrap{max-width:400px;margin:auto;width:100%}.workspace-top,.workspace-inner{padding-left:25px;padding-right:25px}.scene-body{padding:20px}.completion-grid{grid-template-columns:1fr}.completion-actions{flex-direction:row;justify-content:flex-start}}
@media(max-width:900px){.site-shell{padding:0 22px}.brand-logo{width:160px;height:63px}.brand-name{font-size:14px;padding-left:14px}.header-actions{gap:0}.local-badge{display:none}.course-heading h1{font-size:21px}.lab-grid{grid-template-columns:1fr;gap:17px}.module-aside{position:static;border:1px solid #343236}.module-list{display:none}.mobile-station-picker{display:block;padding:0 17px 16px;border:0}.mobile-station-picker label{display:block;font-size:11px;color:#bdaa93;margin-bottom:6px;letter-spacing:0;text-transform:none}.mobile-station-picker select{width:100%;padding:12px 35px 12px 12px;background:#302a2c;color:#f0e6d6;border:1px solid #786451;border-radius:10px;font:13px var(--display)}.progress-panel{padding:14px 18px}.progress-heading{font-size:10px}.progress-caption,.progress-revision{display:none}.progress-track{margin-bottom:2px}.completion-section{margin-left:0}.controls-section{gap:24px}.simulator-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.aside-heading{padding-top:16px;padding-bottom:10px}}
@media(max-width:650px){.site-shell{padding:0 16px}.site-header{min-height:78px;gap:8px;padding:0;flex-wrap:nowrap}.brand{gap:5px}.brand-logo{width:133px;height:53px}.brand-name{font-size:12px;padding-left:11px}.header-button{font-size:12px;padding:10px}.welcome-view{padding-top:27px;min-height:0}.welcome-emblem{height:94px;margin-bottom:17px}.bitcoin-disc{width:67px;height:67px}.welcome-heading h1{font-size:43px}.welcome-lead{font-size:15px;margin-bottom:24px}.welcome-levels{gap:12px}.path-card{padding:18px 17px;border-radius:17px}.path-card-top{gap:6px}.path-tag{font-size:9px}.path-title{font-size:21px}.path-description{font-size:12px}.path-meta{font-size:10px;margin-top:13px}.welcome-details{gap:7px 16px;font-size:11px}.welcome-load{font-size:11px}.preferences-summary-note{display:none}.controls-section{grid-template-columns:1fr;padding:21px;gap:22px}.controls-copy h2{font-size:20px}.site-footer{flex-wrap:wrap;justify-content:center;text-align:center;padding-bottom:23px;gap:5px 15px}.site-footer p{width:100%;order:2;font-size:10px}.lab-section{padding-top:20px}.course-heading{align-items:start;gap:14px}.course-heading h1{font-size:19px;max-width:210px}.course-heading .section-kicker{font-size:9px}.level-switch{padding:4px;gap:1px;border-radius:11px}.level-button{font-size:11px;padding:9px 10px}.workspace-top{padding:23px 21px}.workspace-top h2{font-size:28px}.workspace-inner{padding:23px 20px}.station-meta span{font-size:9px}.assignment,.learning-primer{padding:19px 18px}.assignment h3,.learning-primer h3{font-size:20px}.learning-primer p:not(.step-label){font-size:14px;line-height:1.8}.scene-header{padding:17px 18px;align-items:start;flex-direction:row}.scene-header h3{font-size:18px}.scene-body{padding:17px}.simulator-grid{grid-template-columns:1fr}.scene-card{border-radius:15px}.device-wrap{max-width:370px}.mail-app{grid-template-columns:1fr}.mail-message{padding:20px}.mail-message h4{font-size:21px}.mail-body p{font-size:13px}.journey-app-body{padding:19px}.journey-app-bar{padding:11px 14px;font-size:10px;gap:8px}.journey-app-bar>span:last-child{font-size:7px}.journey-screen-heading{display:flex;flex-direction:column;gap:10px}.journey-status{max-width:none;text-align:left}.journey-field{padding:12px}.journey-field dd{font-size:15px}.journey-hardware .journey-app-body,.journey-recovery .journey-app-body{margin:11px;padding:16px;border-width:7px}.journey-notice{font-size:11px}.question-block h3,.followup h3{font-size:22px;line-height:1.4}.answer-option{padding:15px;font-size:13px;gap:11px}.followup{padding:20px}.feedback{padding:18px}.tutor-row{padding:13px;gap:11px}.tutor-row img{width:45px;height:45px}.tutor-row p{font-size:11px}.station-navigation{flex-wrap:wrap;gap:9px}.station-navigation>span{order:-1;width:100%;text-align:center}.station-navigation .secondary-button{flex:1}.completion-section{padding:23px}.completion-section h2{font-size:22px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{body{background:#fff!important}.site-header,#welcome-view,.lab-section,.preferences,.site-footer,.completion-actions,.completion-note,.skip-link{display:none!important}#course-view{display:block!important}.completion-section{background:#fff;border:0;margin:0;padding:0;box-shadow:none}.completion-grid{display:block}.completion-section h2{font-size:24pt;color:#111}.completion-section p,.completion-section .section-kicker{color:#333}.print-checklist{display:block!important}}

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@media(max-width:1150px){.site-header .brand-logo{width:150px;height:65px}.header-button{padding:9px;font-size:12px}.brand-name{font-size:14px}.local-badge{display:none}}
@media(max-width:850px){.site-header{justify-content:center}.header-actions{width:100%;justify-content:center}.site-header .brand-logo{width:165px}.studio-heading{display:block}.studio-heading>.studio-badge{margin-top:6px}.studio-discovery-grid{grid-template-columns:1fr}.studio-discovery-grid>button{gap:12px}.plan-card h2{font-size:24px}}
@media(max-width:600px){.studio-view{padding-top:28px}.studio-heading h1{font-size:31px}.studio-heading p:not(.eyebrow){font-size:14px}.plan-grid,.value-columns{grid-template-columns:1fr}.studio-discovery{margin-top:55px}.studio-discovery h2{font-size:25px}.header-actions{gap:0}.header-button{font-size:11px;padding:9px 7px;min-height:44px}.studio-badge{font-size:9px;white-space:normal}.studio-view{min-width:0}.studio-heading{margin-bottom:24px}.plan-card{padding:24px}.plan-price span{font-size:12px}}
@media print{.studio-view,.studio-discovery{display:none!important}}
/* The host supplies the page heading; keep the laboratories visually continuous. */
#technology-lab .tl-heading,#market-lab .market-hero,#network-lab .net-heading>div{display:none}
#technology-lab .tl-root{padding-top:0}
#technology-lab .tl-path-hero{display:none}
#network-lab .net-heading{justify-content:flex-end;margin-bottom:16px}
#network-lab.network-lab{padding-top:0}
#market-lab .market-card{border-radius:22px;background:#222124;border-color:#494044}
#market-lab .market-metric,#market-lab .market-mechanism,#market-lab .market-dca-result{border-radius:14px;background:#252326;border-color:#494044}
#market-lab .market-tab{border-radius:12px}
#market-lab.market-lab{padding-top:0}
#market-lab .market-notice,#market-lab .market-button{border-radius:12px}
#market-lab .market-plot{background:linear-gradient(180deg,#262326,#1c1b1e);border-radius:14px;border-color:#494044}
.plan-research{margin-top:24px}.plan-research .plan-price{font-size:clamp(28px,4vw,40px)}
.local-service-note{display:none;color:var(--muted);line-height:1.8}.desktop-local .local-service-note{display:block}
.studio-access-gate{max-width:650px;padding:clamp(24px,4vw,40px);border:1px solid #765737;border-radius:24px;background:linear-gradient(145deg,#30261f,#211f22 72%);color:var(--ink)}.studio-access-gate h2{font-size:clamp(22px,3vw,30px);margin:0 0 12px}.studio-access-gate p{color:var(--muted);line-height:1.8;margin:0 0 22px}.studio-access-gate a,.plan-buy-link{display:inline-flex;align-items:center;text-decoration:none;margin:0 10px 10px 0}.account-link{display:inline-flex;align-items:center;text-decoration:none}

.crysti-help{position:fixed;right:clamp(12px,3vw,34px);bottom:clamp(12px,3vw,30px);z-index:90;font-family:inherit;color:#f4ede4;line-height:1.5}
.crysti-help *{box-sizing:border-box}.crysti-help button{font:inherit;cursor:pointer}.crysti-help button:focus-visible,.crysti-help input:focus-visible{outline:2px solid #ffbb72;outline-offset:3px}
.crysti-launcher{display:flex;align-items:center;gap:7px;height:68px;padding:3px 17px 3px 5px;background:linear-gradient(125deg,#3a2c25,#211e20);border:1px solid #ae7441;border-radius:38px;color:#fff0d9;box-shadow:0 12px 36px #0008;transition:transform .2s,border-color .2s}
.crysti-launcher:hover{transform:translateY(-3px);border-color:#ffb965}.crysti-launcher-name{font-weight:750;font-size:14px;letter-spacing:.01em}
.crysti-robot{position:relative;display:grid;place-items:center;width:53px;height:61px}.crysti-robot img{display:block;width:48px;height:59px;object-fit:contain;transition:transform .25s}.crysti-launcher:hover .crysti-robot img,.crysti-launcher:focus-visible .crysti-robot img{transform:rotate(-7deg) translateY(-2px)}
.crysti-wink{position:absolute;left:27px;top:22px;width:11px;height:8px;background:#171f20;border-radius:80%;opacity:0;transform:rotate(-6deg);pointer-events:none}.crysti-wink::after{content:'';position:absolute;left:1px;right:1px;top:5px;border-top:2px solid #ffd786;border-radius:50%}.crysti-launcher:hover .crysti-wink,.crysti-launcher:focus-visible .crysti-wink{animation:crysti-wink .7s ease .2s 1}@keyframes crysti-wink{0%,100%{opacity:0;transform:scaleY(0)}35%,65%{opacity:1;transform:scaleY(1)}}
.crysti-panel{position:absolute;right:0;bottom:80px;display:flex;flex-direction:column;width:min(390px,calc(100vw - 24px));max-height:min(650px,calc(100dvh - 135px));padding:20px;background:linear-gradient(155deg,#302723,#211f22 35%,#1b1a1d);border:1px solid #816044;border-radius:22px;box-shadow:0 24px 75px #000b;overflow:hidden;overscroll-behavior:contain}.crysti-panel[hidden]{display:none}
.crysti-panel>:not(.crysti-conversation){flex-shrink:0}
.crysti-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.crysti-kicker{margin:0 0 3px;color:#fbb368;font:10px/1.4 var(--mono,monospace);letter-spacing:.12em}.crysti-title{margin:0;font-size:23px;letter-spacing:-.03em}.crysti-close{display:grid;place-items:center;width:36px;height:36px;background:#332e2e;border:1px solid #615250;border-radius:11px;color:#f5e4d0;font-size:24px!important;line-height:1!important}
.crysti-intro{margin:12px 0 8px;color:#d8c9bd;font-size:13px}.crysti-context{margin:0 0 12px;color:#efb977;font-size:11px;overflow-wrap:anywhere}
.crysti-conversation{flex:0 1 auto;min-height:40px;max-height:250px;overflow-y:auto;overscroll-behavior:contain;scrollbar-color:#8b6141 transparent}.crysti-reply{margin:0 0 9px;padding:12px 13px;background:#302b2a;border:1px solid #564941;border-radius:13px}.crysti-reply-name{color:#ffbc73;font-size:11px;font-weight:700}.crysti-reply p{margin:4px 0 0;font-size:13px;line-height:1.55;overflow-wrap:anywhere}.crysti-go{margin-top:9px;padding:0;background:none;border:0;color:#ffbd76;text-decoration:underline;font-size:12px!important;text-align:left}
.crysti-suggestions{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 13px}.crysti-suggestion{padding:6px 8px;border:1px solid #765c49;border-radius:9px;background:#342b29;color:#f0dbc8;font-size:11px!important;text-align:left}.crysti-suggestion:hover{background:#483328;border-color:#e99c52}
.crysti-form{display:flex;align-items:end;gap:8px}.crysti-label{flex:1;min-width:0;font-size:11px;color:#e5d8ce}.crysti-label input{display:block;width:100%;margin-top:5px;min-height:41px;padding:9px 11px;background:#171719;border:1px solid #6a5a55;border-radius:10px;color:#f4ede4;font-family:inherit;font-size:13px}.crysti-label input::placeholder{color:#a49a97}.crysti-submit{min-height:41px;padding:8px 11px;background:#ed912c;border:1px solid #ffad55;border-radius:10px;color:#201811;font-size:12px!important;font-weight:700!important}.crysti-submit:hover{background:#ffad4c}.crysti-note{margin:9px 0 0;color:#b8ada7;font-size:10px;line-height:1.4}
@media(max-width:540px){.crysti-help{right:10px;bottom:10px}.crysti-panel{bottom:75px;width:calc(100vw - 40px);max-height:calc(100dvh - 100px);padding:17px}.crysti-launcher{height:61px}.crysti-robot{height:55px}.crysti-robot img{height:53px}}
@media(max-height:500px){.crysti-intro,.crysti-suggestions{display:none}}
@media(prefers-reduced-motion:reduce){.crysti-help *{animation:none!important;transition:none!important}.crysti-launcher:hover{transform:none}}
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