:root{--pk-run-bg:#12121a;--pk-run-bar:#191924;--pk-run-out:#0d0d13;--pk-run-line:#ffffff17;--pk-run-line-2:#ffffff29;--pk-run-text:#f2f2f6;--pk-run-text-2:#a9a9b8;--pk-run-accent:#8f82ff;--pk-run-btn:#5b4be0;--pk-run-err:#fca5a5;--pk-run-err-line:#f8717173;--pk-run-shadow:none}:root[data-theme=light]{--pk-run-bg:#14141d;--pk-run-bar:#1b1b27;--pk-run-out:#0f0f16;--pk-run-shadow:0 1px 2px #141a2e14,0 16px 36px -18px #141a2e73}.pk-sr{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.pk-head{grid-template-columns:minmax(0,1fr) minmax(0,480px);align-items:center;gap:clamp(32px,5vw,72px);padding-bottom:clamp(40px,6vw,64px);display:grid}.pk-head .pk-runner{margin:0}.pk-head-actions{flex-wrap:wrap;gap:10px;margin-top:28px;display:flex}.pk-head-actions svg{width:18px;height:18px}.pk-lessons{margin-top:8px;padding:0;list-style:none}.pk-lesson{border-top:1px solid var(--line);transition:padding-left .2s var(--ls-ease);grid-template-columns:40px minmax(0,1fr) auto 18px;align-items:center;gap:18px;padding:16px 0;display:grid}.pk-lessons li:last-child .pk-lesson{border-bottom:1px solid var(--line)}.pk-lesson-nr{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--text-2);font-size:15px;font-weight:500}.pk-lesson h3{letter-spacing:-.01em;color:var(--text);flex-wrap:wrap;align-items:center;gap:4px 10px;margin:0;font-size:16.5px;font-weight:600;display:flex}.pk-lesson p{color:var(--text-2);margin-top:3px;font-size:14.5px}.pk-lesson-time{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--text-2);white-space:nowrap;font-size:13px}.pk-lesson>svg{width:18px;height:18px;color:var(--text-3);transition:transform .2s var(--ls-ease),color .15s ease}.pk-lesson[data-projekt]{background:linear-gradient(90deg,var(--accent-soft),transparent 70%);border-top-color:color-mix(in srgb,var(--accent)35%,transparent);border-radius:0;margin-left:-12px;padding-left:12px}.pk-lesson[data-projekt] .pk-lesson-nr{color:var(--accent)}.pk-tag{color:var(--accent);background:var(--surface);border:1px solid color-mix(in srgb,var(--accent)35%,transparent);letter-spacing:0;border-radius:999px;align-items:center;gap:5px;padding:2px 8px 2px 6px;font-size:12px;font-weight:600;display:inline-flex}.pk-tag svg{width:14px;height:14px}@media (hover:hover) and (pointer:fine){.pk-lesson:hover{padding-left:6px}.pk-lesson[data-projekt]:hover{padding-left:18px}.pk-lesson:hover h3{color:var(--accent)}.pk-lesson:hover>svg{color:var(--accent);transform:translate(3px)}}.pk-toc-nr{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--text-2);min-width:22px;font-size:12.5px;display:inline-block}.ls-toc a[aria-current=page]{color:var(--text);border-left-color:var(--accent);font-weight:500}.ls-toc a[aria-current=page] .pk-toc-nr{color:var(--accent)}.pk-progress{color:var(--text-2);align-items:center;gap:14px;margin-bottom:14px;font-size:13.5px;display:flex}.pk-progress strong{color:var(--text);font-weight:600}.pk-progress ol{grid-template-columns:repeat(12,1fr);gap:3px;width:168px;padding:0;list-style:none;display:grid}.pk-progress li{background:var(--line-2);border-radius:2px;height:4px}.pk-progress li[data-done]{background:var(--accent)}.pk-runner{border-radius:var(--r);background:var(--pk-run-bg);border:1px solid var(--pk-run-line-2);box-shadow:var(--pk-run-shadow);color:var(--pk-run-text);margin:22px 0;position:relative;overflow:hidden}.pk-runner-bar{background:var(--pk-run-bar);border-bottom:1px solid var(--pk-run-line);justify-content:space-between;align-items:center;gap:12px;padding:8px 8px 8px 16px;display:flex;position:relative}.pk-runner-name{font-family:var(--font-mono);color:var(--pk-run-text-2);white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:8px;min-width:0;font-size:12.5px;display:inline-flex;overflow:hidden}.pk-runner-name svg{flex:none;width:15px;height:15px}.pk-runner-actions{flex:none;gap:6px;display:flex}.pk-runner-btn{min-height:36px;color:var(--pk-run-text-2);border:1px solid var(--pk-run-line-2);cursor:pointer;transition:transform .16s var(--ls-ease),background .15s ease,color .15s ease,border-color .15s ease;border-radius:8px;align-items:center;gap:7px;padding:0 12px;font-size:13.5px;font-weight:600;display:inline-flex}.pk-runner-btn svg{width:15px;height:15px}.pk-runner-btn:hover{color:var(--pk-run-text);border-color:#ffffff4d}.pk-runner-run{background:var(--pk-run-btn);color:#fff;border-color:#0000;padding:0 14px 0 12px}.pk-runner-run:hover{background:color-mix(in srgb,var(--pk-run-btn)86%,#fff);color:#fff;border-color:#0000}.pk-runner-btn:active:not(:disabled){transform:scale(.97)}.pk-runner-btn:disabled{cursor:progress;opacity:.75}.pk-runner :focus-visible{outline:2px solid var(--pk-run-accent);outline-offset:2px;border-radius:8px}.pk-runner kbd{font-family:var(--font-mono);opacity:.8;font-size:11.5px;font-weight:500}.pk-runner-code{resize:vertical;width:100%;min-height:3.2em;color:var(--pk-run-text);caret-color:var(--pk-run-accent);font-family:var(--font-mono);tab-size:4;white-space:pre;background:0 0;border:0;padding:14px 16px;font-size:14.5px;line-height:1.65;display:block;overflow-x:auto}.pk-runner-code:focus-visible{outline:none}.pk-runner:focus-within{border-color:color-mix(in srgb,var(--pk-run-accent)60%,transparent)}.pk-runner-code::selection{color:#fff;background:#8f82ff59}.pk-runner-hint{color:var(--pk-run-text-2);padding:0 16px 10px;font-size:12.5px;display:none}.pk-runner-hint kbd{border:1px solid var(--pk-run-line-2);border-radius:5px;padding:0 5px;line-height:1.5;display:inline-block}.pk-runner-code:focus+.pk-runner-hint{display:block}.pk-runner-load{height:2px;display:none;position:absolute;bottom:-1px;left:0;right:0;overflow:hidden}.pk-runner-load:before{content:"";background:var(--pk-run-accent);width:35%;animation:1.1s linear infinite pk-load;position:absolute;inset:0}.pk-runner[data-state=loading] .pk-runner-load{display:block}@keyframes pk-load{0%{transform:translate(-100%)}to{transform:translate(300%)}}.pk-runner-out{border-top:1px solid var(--pk-run-line);background:var(--pk-run-out);padding:10px 16px 14px}.pk-runner-out[hidden]{display:none}.pk-runner-out.in{animation:pk-in .18s var(--ls-ease)}.pk-runner-out-head{color:var(--pk-run-text-2);align-items:center;gap:7px;margin-bottom:4px;font-size:12.5px;font-weight:600;display:flex}.pk-runner-out-head svg{width:14px;height:14px}.pk-runner-out pre{font-family:var(--font-mono);color:var(--pk-run-text);white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.6}.pk-runner-out p{color:var(--pk-run-text-2);font-size:13.5px;line-height:1.5}.pk-runner[data-state=error]{border-color:var(--pk-run-err-line)}.pk-runner[data-state=error] .pk-runner-out{box-shadow:inset 3px 0 #f87171}.pk-runner[data-state=error] .pk-runner-out-head,.pk-runner[data-state=error] .pk-runner-out pre{color:var(--pk-run-err)}@keyframes pk-in{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:none}}.pk-aufgabe{border-top:1px solid var(--line);margin-top:36px;padding-top:22px}.pk-aufgabe-label{font-family:var(--font-mono);color:var(--accent);margin-bottom:6px;font-size:13px;font-weight:500;display:inline-block}.pk-aufgabe>p{color:var(--text);font-size:16.5px}.pk-aufgabe .pk-runner{margin:16px 0 0}.pk-loesung{border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);margin-top:10px}.pk-loesung summary{cursor:pointer;min-height:46px;color:var(--text);border-radius:var(--r-btn);align-items:center;gap:10px;padding:0 14px;font-size:14.5px;font-weight:600;list-style:none;display:flex}.pk-loesung summary::-webkit-details-marker{display:none}.pk-loesung summary svg{width:16px;height:16px;color:var(--text-3);transition:transform .2s var(--ls-ease)}.pk-loesung summary .pk-loesung-plus{margin-left:auto}.pk-loesung[open] summary .pk-loesung-plus{transform:rotate(45deg)}.pk-loesung summary:hover .pk-loesung-plus{color:var(--accent)}.pk-loesung .ls-pre{margin:0 14px 14px}.pk-loesung>p{margin:0 14px 14px;font-size:15px}.ls-table.pk-code-tabelle td{white-space:pre}.pk-pager{grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:12px;margin-top:56px;display:grid}.pk-pager a{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);transition:border-color .15s ease,transform .16s var(--ls-ease);align-items:center;gap:14px;min-width:0;padding:16px 18px;display:flex}.pk-pager a:hover{border-color:var(--accent)}.pk-pager a:active{transform:scale(.985)}.pk-pager span{flex-direction:column;min-width:0;display:flex}.pk-pager small{color:var(--text-2);font-size:13px}.pk-pager b{color:var(--text);font-size:15.5px;font-weight:600}.pk-pager svg{width:18px;height:18px;color:var(--text-3);transition:transform .2s var(--ls-ease),color .15s ease;flex:none}.pk-pager .pk-next{text-align:left;border-color:color-mix(in srgb,var(--accent)45%,transparent);background:linear-gradient(90deg,var(--accent-soft),transparent 80%),var(--surface);justify-content:space-between}.pk-pager .pk-next svg{color:var(--accent)}@media (hover:hover) and (pointer:fine){.pk-pager .pk-prev:hover svg{color:var(--accent);transform:translate(-3px)}.pk-pager .pk-next:hover svg{transform:translate(3px)}}@media (max-width:1023px){.pk-head{grid-template-columns:minmax(0,1fr)}.pk-head .pk-runner{max-width:640px}.ls-toc a[aria-current=page]{border-color:var(--accent);background:var(--accent-soft)}.ls-toc a[aria-current=page] .pk-toc-nr{color:var(--text)}}@media (max-width:767px){.pk-lesson{grid-template-columns:30px minmax(0,1fr) 18px;align-items:start;gap:12px}.pk-lesson-time{grid-area:2/2;margin-top:-6px}.pk-lesson>svg{grid-area:1/3;margin-top:3px}.pk-lesson-nr{padding-top:1px}.pk-pager{grid-template-columns:minmax(0,1fr)}.pk-pager .pk-next{order:-1}.pk-runner-btn .pk-hide-sm{display:none}.pk-runner-reset{padding:0 10px}.pk-progress ol{width:120px}}@media (prefers-reduced-motion:reduce){.pk-lesson,.pk-lesson>svg,.pk-pager a,.pk-pager svg,.pk-runner-btn,.pk-loesung summary svg{transition:none}.pk-runner-out.in{animation:none}.pk-runner-load:before{opacity:.6;width:100%;animation:none}@media (hover:hover){.pk-lesson:hover{padding-left:0}.pk-lesson[data-projekt]:hover{padding-left:12px}.pk-lesson:hover>svg,.pk-pager a:hover svg{transform:none}}}.pk-tool-hinweis{color:var(--text-2);align-items:flex-start;gap:10px;margin-top:12px;font-size:14.5px;display:flex}.pk-tool-hinweis svg{width:18px;height:18px;color:var(--accent);flex:none;margin-top:2px}.pk-tool-hinweis a{color:var(--accent);text-underline-offset:3px;font-weight:500;text-decoration:underline}.pk-aufgabe .pk-tool-hinweis+.pk-loesung{margin-top:14px}.pk-loesung-inhalt{padding:0 14px 16px}.pk-loesung-inhalt>p{margin-top:10px;font-size:15px}.pk-loesung-inhalt .pk-bewertung-titel{color:var(--text);margin-top:16px;font-size:14px;font-weight:600}.pk-bewertung{color:var(--text-2);margin-top:6px;padding-left:20px;font-size:15px;list-style:outside}.pk-bewertung li+li{margin-top:6px}