/* Metal lessons: existing cards, restrained category colour, no new theme. */
.vp-lesson{border-top:2px solid var(--topic-color,var(--cr-83ddbf));padding-top:24px}.vp-intro{max-width:900px;line-height:1.8;color:var(--ct-c0d3d9)}.vp-kind{display:inline-block;color:var(--topic-color,var(--ct-83ddbf));font-size:.8rem;letter-spacing:.06em;font-weight:750;margin-bottom:12px;text-transform:uppercase}.vp-lab{padding:24px;border:1px solid var(--cr-45635b);border-radius:18px;background:var(--cf-13252c);margin:22px 0}.vp-lab h3{margin-top:0}.vp-lab-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px;align-items:start}.vp-lab-layout>*{min-width:0}.vp-figure{margin:0;padding:12px;border:1px solid var(--cr-38594e);border-radius:12px;background:var(--cf-0a1d25)}.vp-figure svg{display:block;width:100%;height:auto;max-width:620px;margin:auto}.vp-figure figcaption{line-height:1.7;font-size:.86rem;color:var(--ct-b8cbd1);margin-top:12px}.vp-figure text{fill:var(--ct-e0eee8);font:19px system-ui,sans-serif}.vp-metal{fill:var(--ct-365850);stroke:var(--ct-83ddbf);stroke-width:2}.vp-tool{fill:var(--ct-364953);stroke:var(--ct-c2d4dc);stroke-width:2}.vp-leader{fill:none;stroke:var(--ct-b4cbc5);stroke-width:1.5}.vp-axis{fill:none;stroke:var(--ct-7c9d97);stroke-width:1.5;stroke-dasharray:9 5}.vp-ghost{fill:none;stroke:var(--ct-9db9b0);stroke-width:2;stroke-dasharray:6 6}.vp-sheet{fill:none;stroke:var(--ct-83ddbf);stroke-width:7;stroke-linejoin:round}.vp-roller{fill:var(--ct-203b43);stroke:var(--ct-d7e7dd);stroke-width:3}.vp-hub{fill:var(--ct-d7e7dd)}.vp-arrow{fill:none;stroke:var(--ct-83ddbf);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}.vp-cut-space{fill:var(--ct-0a1d25);stroke:none}.vp-boundary{fill:none;stroke:var(--ct-83ddbf);stroke-width:2}.vp-chip{fill:none;stroke:var(--ct-e4b980);stroke-width:3;stroke-linecap:round}.vp-medium{fill:var(--ct-174153);fill-opacity:.4;stroke:var(--ct-7396a4);stroke-width:2;stroke-dasharray:5 5}.vp-spark{fill:none;stroke:var(--ct-f3bf63);stroke-width:3}.vp-kerf{fill:none;stroke:var(--ct-0a1d25);stroke-width:7;stroke-linejoin:round}.vp-wire{fill:var(--ct-f3bf63);stroke:var(--ct-fff1ce);stroke-width:1.5}.vp-stage-copy{background:var(--cf-1b3431);border-left:3px solid var(--topic-color,var(--cr-83ddbf));padding:18px;border-radius:0 12px 12px 0;min-height:210px;line-height:1.8}.vp-stage-copy h4{margin:8px 0 12px;color:var(--ct-e4f0eb)}.vp-stage-copy p{margin:0}.vp-step-count{font-size:.8rem;color:var(--ct-99cfb9)}.vp-stage-buttons{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:16px 0}.vp-stage-buttons button,.vp-actions button{font:inherit;line-height:1.5;min-height:46px;border:1px solid var(--cr-5b7b69);border-radius:10px;background:var(--cf-11282c);color:var(--ct-d4e9df);padding:10px 12px;cursor:pointer;text-align:left}.vp-stage-buttons button[aria-pressed=true]{background:var(--cf-2c5348);border-color:var(--cr-83ddbf);color:var(--ct-ffffff)}.vp-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.vp-actions button{flex:1 1 auto;text-align:center}.vp-actions button[data-process-next]{background:var(--cf-83ddbf);color:var(--ct-102329);font-weight:750}.vp-lab button:disabled{opacity:.45;cursor:default}.vp-lab button:focus-visible,.vp-lab select:focus-visible{outline:3px solid var(--cr-bee9d5);outline-offset:3px}.vp-choices{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0}.vp-choices label{display:grid;gap:8px;font-size:.94rem;color:var(--ct-c6d8db)}.vp-choices select{min-width:0;width:100%;min-height:46px;font:inherit;border:1px solid var(--cr-678777);border-radius:9px;background:var(--cf-0b2029);color:var(--ct-e4f0e8);padding:11px}.vp-model-note{font-size:.86rem;line-height:1.7;color:var(--ct-adc4c8)}.vp-reading{border:1px solid var(--cr-416355);border-radius:12px;padding:18px;margin:20px 0}.vp-reading summary{cursor:pointer;font-weight:750;color:var(--ct-d4e8dd)}.vp-reading li{line-height:1.8;margin:14px 0}.vp-terms{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0}.vp-terms button{font:inherit;background:var(--cf-15302e);color:var(--topic-color,var(--ct-83ddbf));border:1px solid var(--cr-648575);padding:9px 12px;min-height:44px;border-radius:9px;cursor:pointer}.vp-safety{border-left:3px solid var(--cr-e4bd79);padding:12px 16px;background:var(--cf-252a2b);font-size:.91rem;line-height:1.8;margin-top:18px}.vp-comparison{border:1px solid var(--cr-466058);border-radius:16px;padding:24px;background:var(--cf-14242c)}.vp-comparison .lm-table{min-width:640px}.vp-reading-solution details{border:1px solid var(--cr-416355);border-radius:11px;padding:17px;margin-top:12px}.vp-reading-solution summary{cursor:pointer;font-weight:650}.vp-lesson .detail-card h3{font-size:1.2rem}.vp-lesson .detail-card p{line-height:1.85}.vp-lab [hidden]{display:none!important}#verfahren-aufgaben fieldset{min-width:0}#verfahren-aufgaben legend{max-width:100%;overflow-wrap:anywhere}#verfahren-aufgaben .wk-choice{line-height:1.65}#verfahren-aufgaben #tl-quiz{padding:20px 0}#verfahren-aufgaben .tl-quiz-feedback{line-height:1.85;background:var(--cf-1c3834);padding:20px;border-radius:12px}#verfahren-aufgaben .tl-note{line-height:1.75;color:var(--ct-b8d3c9)}
@media(max-width:900px){.vp-lab-layout{grid-template-columns:1fr}.vp-stage-copy{min-height:0}.vp-figure svg{max-width:480px}}
@media(max-width:520px){.vp-lab{padding:15px}.vp-stage-buttons,.vp-choices{grid-template-columns:1fr}.vp-figure{padding:4px}.vp-stage-copy{padding:15px}.vp-comparison{padding:15px}.vp-lesson .detail-card{padding:22px}.vp-lab-layout{gap:18px}.vp-figure text{font-size:20px}}
@media print{[data-process-controls],.vp-terms{display:none!important}.vp-lab-layout{display:block}.vp-lab,.vp-figure,.vp-stage-copy{background:var(--cf-ffffff);color:var(--ct-111111);break-inside:avoid}.vp-figure text{fill:var(--ct-111111)}.vp-figure svg{max-width:400px}.vp-stage-copy h4,.vp-figure figcaption,.vp-model-note{color:var(--ct-111111)}}