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.content-paragraph{line-height:inherit}.definition-content{color:var(--text-primary);font-size:1.125rem}.example{margin:var(--space-6) 0;padding:var(--space-1) 0 var(--space-1) var(--space-5);border-left:3px solid var(--edge-hover);font-size:1.0625rem}.example-label{color:var(--text-muted)}.example-title{font-family:var(--font-display);font-size:var(--text-lg);color:var(--text-primary);margin:2px 0 var(--space-3);border:none;padding:0;font-weight:600;line-height:1.3}.example-title .content-paragraph{line-height:inherit}.example-explanation{margin-top:var(--space-3);color:var(--text-secondary)}.note{margin:var(--space-6) 0;padding:var(--space-4) var(--space-5);background:var(--paper-dark);border-radius:var(--radius-soft);color:var(--text-secondary);font-size:1.0625rem}.note:before{content:"Anmerkung";font-family:var(--font-interface);font-size:var(--text-sm);color:var(--text-muted);margin-bottom:var(--space-1);font-weight:600;display:block}.theorem-block{margin:var(--space-6) 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.tool-page{min-height:70vh}.tool-body{--font-display:var(--font-interface)}.tool-masthead{max-width:var(--page-width);padding:var(--space-5) var(--space-5) 0;margin:0 auto}.tool-masthead-inner{justify-content:space-between;align-items:flex-end;gap:var(--space-5);padding-bottom:var(--space-5);border-bottom:1px solid var(--edge);flex-wrap:wrap;display:flex}.tool-masthead-text{min-width:0}.tool-title{font-family:var(--font-display);letter-spacing:-.015em;margin:var(--space-1) 0 0;font-size:clamp(1.625rem,3vw,2.125rem);font-weight:600;line-height:1.15}.tool-masthead-actions{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.tool-body{max-width:var(--page-width);padding:var(--space-5) var(--space-5) var(--space-10);margin:0 auto}.tool-body-full{max-width:1780px}.tool-panel{background:var(--paper-elevated);border:1px solid 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.chip-count{color:inherit}.tool-search{align-items:center;gap:var(--space-2);background:var(--paper-elevated);border:1px solid var(--edge-hover);border-radius:var(--radius-subtle);padding:0 var(--space-3);transition:border-color var(--motion-quick), box-shadow var(--motion-quick);display:flex}.tool-search:focus-within{border-color:var(--signal);box-shadow:0 0 0 3px var(--signal-dim)}.tool-search input{min-width:0;font-family:var(--font-interface);font-size:var(--text-sm);color:var(--text-primary);padding:var(--space-3) 0;background:0 0;border:none;outline:none;flex:1}.tool-search input::placeholder{color:var(--text-muted)}.tool-search svg{color:var(--text-muted);flex-shrink:0}.icon-btn{justify-content:center;align-items:center;gap:var(--space-2);background:var(--paper-elevated);border:1px solid var(--edge-hover);border-radius:var(--radius-subtle);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;transition:color var(--motion-quick), background var(--motion-quick), border-color var(--motion-quick);padding:0;display:inline-flex}.icon-btn:hover:not(:disabled){border-color:var(--gilt-line);color:var(--signal)}.icon-btn:disabled{opacity:.4;cursor:not-allowed}.icon-btn-wide{width:auto;padding:0 var(--space-3);font-family:var(--font-interface);font-size:var(--text-xs);font-weight:500}.readout{flex-direction:column;gap:2px;display:flex}.readout-label{font-family:var(--font-interface);font-size:var(--text-xs);color:var(--text-muted)}.readout-value{font-family:var(--font-interface);font-size:var(--text-lg);font-variant-numeric:tabular-nums;color:var(--text-primary);font-weight:600}.tool-empty{text-align:center;padding:var(--space-8) var(--space-5);color:var(--text-tertiary)}.tool-empty-mark{display:none}.tool-empty-text{font-family:var(--font-interface);font-size:var(--text-sm);max-width:44ch;margin:0 auto}.tool-hint-row{align-items:center;gap:var(--space-4);font-family:var(--font-interface);font-size:var(--text-xs);color:var(--text-muted);flex-wrap:wrap;display:flex}.tool-range{appearance:none;background:var(--edge-hover);cursor:pointer;border-radius:2px;outline:none;width:100%;height:4px}.tool-range:focus-visible{outline:2px solid var(--signal);outline-offset:6px}.tool-range::-webkit-slider-thumb{appearance:none;background:var(--signal);border:2px solid var(--paper-elevated);width:16px;height:16px;box-shadow:var(--shadow-soft);cursor:pointer;border-radius:50%}.tool-range::-moz-range-thumb{background:var(--signal);border:2px solid var(--paper-elevated);cursor:pointer;border-radius:50%;width:14px;height:14px}.tool-footer-link{max-width:var(--page-width);padding:var(--space-6) var(--space-5) 0;border-top:1px solid var(--divider);margin:0 auto}@media (max-width:700px){.tool-masthead{padding:var(--space-4) var(--space-4) 0}.tool-body{padding:var(--space-4) var(--space-4) var(--space-8)}}:where(.tool-body) p{-webkit-hyphens:manual;hyphens:manual;max-width:none}.tool-masthead-full{max-width:1780px}.tool-body>.tool-footer-link{max-width:none;margin-top:var(--space-6);padding:var(--space-5) 0 0}.tool-stack{gap:var(--space-4);flex-direction:column;min-width:0;display:flex}.tool-modes{border-bottom:1px solid var(--edge);overflow-x:auto}.tool-modes-list{gap:var(--space-1);grid-auto-columns:1fr;grid-auto-flow:column;display:inline-grid}.tool-mode{min-width:9rem;padding:var(--space-3) var(--space-5);text-align:center;white-space:nowrap;font-family:var(--font-interface);font-size:var(--text-sm);color:var(--text-secondary);cursor:pointer;transition:color var(--motion-quick), border-color var(--motion-quick);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;font-weight:600}.tool-mode:hover{color:var(--text-primary)}.tool-mode:focus-visible{outline:2px solid var(--signal);outline-offset:-2px}.tool-mode.active{color:var(--signal);border-bottom-color:var(--signal)}.tool-chips{grid-template-columns:repeat(auto-fill, minmax(min(100%, var(--chip-min,8rem)), 1fr));gap:4px;display:grid}.tool-chips-fill{grid-template-columns:repeat(auto-fit, minmax(min(100%, var(--chip-min,8rem)), 1fr))}.tool-chip{text-align:center;background:var(--paper-elevated);border:1px solid var(--edge);border-radius:var(--radius-subtle);min-width:0;min-height:2.25rem;line-height:1.25;font-family:var(--font-interface);color:var(--text-secondary);cursor:pointer;transition:color var(--motion-quick), border-color var(--motion-quick), background var(--motion-quick);padding:6px 8px;font-size:.8rem;font-weight:500}.tool-chip:hover:not(:disabled){color:var(--text-primary);border-color:var(--edge-hover)}.tool-chip:focus-visible{outline:2px solid var(--signal);outline-offset:2px}.tool-chip.active{color:var(--signal);border-color:var(--signal);background:var(--signal-dim)}.tool-chip:disabled:not(.active){opacity:.45;cursor:not-allowed}.tool-chip.active:disabled{cursor:default}.tool-choice-title{margin:var(--space-2) 0 0;text-align:center;font-family:var(--font-display);font-size:var(--text-2xl);letter-spacing:0;color:var(--text-primary);border:none;padding:0;font-weight:600;line-height:1.2}.tool-inputbar{align-items:flex-end;gap:var(--space-3) var(--space-4);padding:var(--space-3) var(--space-4);background:var(--paper-elevated);border:1px solid var(--edge);border-radius:var(--radius-soft);flex-wrap:wrap;display:flex}.tool-field{flex-direction:column;gap:4px;min-width:0;display:flex}.tool-field-grow{flex:20rem}.tool-field-row{align-items:center;gap:var(--space-2);min-width:0;display:flex}.tool-field-label{font-family:var(--font-interface);color:var(--text-secondary);font-size:.74rem;font-weight:600}.tool-field-label strong{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--signal);margin-left:4px}.tool-field-note{min-height:1.5em;font-family:var(--font-interface);color:var(--text-secondary);flex-basis:100%;margin:0;font-size:.76rem;line-height:1.5}.tool-field-note.error{color:var(--incorrect)}.tool-text,.tool-select{background:var(--paper-dark);border:1px solid var(--edge-hover);border-radius:var(--radius-subtle);min-width:0;min-height:2.25rem;font-family:var(--font-interface);color:var(--text-primary);padding:7px 10px;font-size:.85rem}.tool-text{font-family:var(--font-mono);flex:1}.tool-text:focus-visible,.tool-select:focus-visible{outline:2px solid var(--signal);outline-offset:1px}.tool-text[aria-invalid=true]{border-color:var(--incorrect)}.tool-run{gap:var(--space-2);grid-auto-columns:1fr;grid-auto-flow:column;display:grid}.tool-run .btn{justify-content:center;min-width:7.5rem;min-height:2.25rem;padding:6px 12px;font-size:.8rem}.tool-run .btn.active{border-color:var(--signal);background:var(--signal-dim);color:var(--signal)}.tool-rect{gap:var(--space-4);grid-template-columns:minmax(0,1.6fr) minmax(340px,1fr);align-items:stretch;display:grid}.tool-rect>*{min-width:0}.tool-rect-wide{grid-column:1/-1}.tool-rect-side{gap:var(--space-3);flex-direction:column;min-width:0;display:flex}.tool-section-title{margin:0 0 var(--space-2);font-family:var(--font-interface);letter-spacing:0;color:var(--text-primary);border:none;padding:0;font-size:.82rem;font-weight:600;line-height:1.3}.tool-facts{background:var(--edge);border:1px solid var(--edge);border-radius:var(--radius-soft);grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;margin:0;display:grid;overflow:hidden}.tool-fact{padding:var(--space-3) var(--space-4);background:var(--paper-elevated);flex-direction:column;gap:2px;display:flex}.tool-fact dt{font-family:var(--font-interface);color:var(--text-secondary);font-size:.74rem}.tool-fact dd{font-family:var(--font-interface);font-variant-numeric:tabular-nums;color:var(--text-primary);margin:0;font-size:1rem;font-weight:600}.tool-fact dd.tool-fact-hint{color:var(--text-secondary);font-size:.72rem;font-weight:400;line-height:1.4}.tool-more{border-top:1px solid var(--edge);border-bottom:1px solid var(--edge)}.tool-more+.tool-more{border-top:none}.tool-more>summary{padding:var(--space-3) 0;font-family:var(--font-interface);font-size:var(--text-sm);color:var(--text-primary);cursor:pointer;font-weight:600}.tool-more>summary:hover{color:var(--signal)}.tool-more>summary:focus-visible{outline:2px solid var(--signal);outline-offset:2px}.tool-more-body{padding:var(--space-2) 0 var(--space-5)}.tool-prose,.tool-prose p,.tool-prose li{font-family:var(--font-reading);font-size:var(--text-base);color:var(--text-secondary);line-height:1.65}.tool-prose{max-width:80ch}.tool-prose p{margin:0 0 var(--space-3)}.tool-prose h3,.tool-prose h4{margin:var(--space-4) 0 var(--space-2);font-family:var(--font-interface);letter-spacing:0;color:var(--text-primary);border:none;padding:0;font-size:.82rem;font-weight:600}.tool-prose-columns{columns:2 30rem;column-gap:var(--space-8);max-width:none}.tool-prose-columns>*{break-inside:avoid}.tool-exercise-bar{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);background:var(--paper-elevated);border:1px solid var(--edge);border-radius:var(--radius-soft);flex-wrap:wrap;display:flex}.tool-exercise-count{font-family:var(--font-interface);font-size:var(--text-sm);font-variant-numeric:tabular-nums;color:var(--text-secondary)}.tool-exercise-count strong{color:var(--text-primary)}.tool-exercise-actions{gap:var(--space-2);grid-auto-columns:1fr;grid-auto-flow:column;margin-left:auto;display:grid}.tool-exercise-actions .btn{justify-content:center;min-width:9.5rem}.tool-exercise-actions .btn[aria-disabled=true]{opacity:.5;cursor:not-allowed}.tool-verdict{min-height:3.2em;padding:var(--space-2) var(--space-3);border-left:3px solid var(--edge-hover);font-family:var(--font-interface);font-size:var(--text-sm);color:var(--text-secondary);margin:0;line-height:1.5}.tool-verdict.right{border-left-color:var(--correct);background:var(--correct-dim);color:var(--text-primary)}.tool-verdict.wrong{border-left-color:var(--incorrect);background:var(--incorrect-dim);color:var(--text-primary)}@media (max-width:1100px){.tool-rect{grid-template-columns:1fr}}@media (max-width:700px){.tool-modes-list{grid-auto-columns:minmax(max-content,1fr);min-width:100%;display:grid}.tool-run{width:100%}.tool-run .btn{min-width:0;padding:6px 4px}.tool-mode{min-width:0;padding:var(--space-3)}.tool-field-grow{flex-basis:100%}.tool-exercise-actions{width:100%;margin-left:0}}
@keyframes motion-enter{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes motion-fade{0%{opacity:0}to{opacity:1}}::view-transition-old(.page-leave){animation:motion-fade var(--motion-quick) reverse both}::view-transition-new(.page-enter){animation:motion-enter var(--motion-slow) both}::view-transition{pointer-events:none}:where([role=tabpanel]),:where([role=dialog]){animation:motion-enter var(--motion-normal)}.reveal{animation:motion-fade var(--motion-normal)}@supports selector(::details-content){details::details-content{opacity:0;transition:opacity var(--motion-normal), content-visibility var(--motion-normal) allow-discrete}details[open]::details-content{opacity:1}}@media (prefers-reduced-motion:no-preference){.btn:active:not(:disabled),.icon-btn:active:not(:disabled),.chip:active:not(:disabled),.segmented-option:active:not(:disabled){transform:translateY(1px)}}@media (prefers-reduced-motion:reduce){::view-transition-old(*){animation-duration:0s;animation-delay:0s}::view-transition-new(*){animation-duration:0s;animation-delay:0s}::view-transition-group(*){animation-duration:0s;animation-delay:0s}}