.hd-case{--hd-ink:#18334b;--hd-blue:#163cad;--hd-red:#c2410c;--hd-green:#15803d;--hd-amber:#b45309;--hd-water:#2563eb}
.hd-case .hd-title{max-width:900px;margin-bottom:28px}
 
.hd-problem{display:grid;grid-template-columns:auto minmax(0,1fr);gap:28px 44px;align-items:center;padding:28px 32px;background:var(--hd-ink);color:#fff;border-radius:14px}
.hd-stat{display:grid;grid-template-columns:auto auto;align-items:center;gap:4px 16px}
.hd-stat strong{font-size:clamp(64px,8vw,104px);line-height:.9;font-weight:700;letter-spacing:-.04em;color:#fff}
.hd-stat span{font-size:16px;line-height:1.35;color:#c9d7e3}
.hd-ticks{grid-column:1/-1;display:flex;gap:6px;margin-top:12px}.hd-ticks i{width:14px;height:14px;border-radius:50%;background:#f97316;box-shadow:0 0 0 3px rgba(249,115,22,.22)}
.hd-case .hd-problem p{margin:0;font-size:clamp(19px,2vw,24px);line-height:1.45;color:#e6eef5;max-width:34ch}.hd-problem b{color:#fff}
 
.hd-flow{display:grid;grid-template-columns:minmax(0,1.4fr) 56px auto 56px minmax(0,1fr);align-items:center;gap:0;margin:28px 0 8px}
.hd-io{padding:18px 20px;background:#fff;border:1px solid #d3e0e8;border-radius:12px}
.hd-k{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#5b7486;margin-bottom:10px}
.hd-io ul{display:flex;flex-wrap:wrap;gap:7px;margin:0;padding:0;list-style:none}
.hd-io li{padding:6px 11px;border:1px solid #b6cbd9;border-radius:999px;font-size:14.5px;color:var(--hd-ink);background:#f7fafc}
.hd-io li.req{border-style:dashed;border-color:var(--hd-blue);background:#eef2fd}.hd-io li.req::after{content:" · nachgefordert";color:var(--hd-blue);font-size:12.5px}
.hd-io.out li{background:#ecf7ef;border-color:#9fd0ad;font-weight:600}
.hd-arrow{height:3px;margin:0 6px;background:repeating-linear-gradient(90deg,var(--hd-blue) 0 8px,transparent 8px 14px);background-size:14px 3px;position:relative;animation:hd-dash 1s linear infinite}
.hd-arrow::after{content:"";position:absolute;right:-2px;top:-5px;border:6.5px solid transparent;border-left:9px solid var(--hd-blue);border-right:0}
@keyframes hd-dash{to{background-position:14px 0}}
.hd-engine{display:flex;flex-direction:column;align-items:center;gap:6px;padding:20px 22px;background:var(--hd-blue);color:#fff;border-radius:14px;text-align:center;box-shadow:0 10px 30px rgba(22,60,173,.25)}
.hd-engine b{font-size:20px}.hd-engine span{font-size:13px;color:#d6defa}
 
.hd-check{margin-top:44px}.hd-case .hd-h{font-size:clamp(22px,2.4vw,30px);line-height:1.25;margin:0 0 20px;color:var(--hd-ink);max-width:none}
.hd-lab{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);grid-template-areas:"fig tabs" "fig detail" "fig ." ;grid-template-rows:auto auto 1fr;gap:18px 28px;align-items:start}
.hd-hyps{grid-area:tabs;display:grid;gap:8px;align-content:start}
.hd-hyps button{display:grid;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:10px;width:100%;padding:11px 14px;border:1px solid #c6d6e2;border-radius:10px;background:#fff;color:var(--hd-ink);font:inherit;font-size:16px;text-align:left;cursor:pointer;transition:border-color .2s,box-shadow .2s,background .2s}
.hd-hyps button:hover{border-color:var(--hd-blue)}
.hd-hyps button[aria-selected=true]{border-color:var(--hd-blue);box-shadow:0 0 0 2px var(--hd-blue);background:#f5f7fe}
.hd-code{display:inline-grid;place-items:center;width:38px;height:28px;border-radius:7px;background:#e7eef4;font-weight:700;font-size:14px}
.hd-hyps button[aria-selected=true] .hd-code{background:var(--hd-blue);color:#fff}
.hd-name{font-weight:600;line-height:1.3}
.hd-stamp{font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:4px 8px;border-radius:6px;white-space:nowrap}
.hd-hyps button:not(.is-done) .hd-stamp{display:none}.hd-hyps .hd-stamp{grid-column:3;grid-row:1}
.hd-hyps button:not(.is-done)::after{content:"offen";grid-column:3;grid-row:1;font-size:12px;font-weight:700;text-transform:uppercase;color:#7b8f9e;letter-spacing:.04em}
.hd-stamp.out{color:#7b8f9e;background:#eef1f4}
.hd-hyps button.is-done:has(.out) .hd-name{color:#6b8090;text-decoration:line-through;text-decoration-color:#a7b6c2}
.hd-hyps button.is-done[aria-selected=true]:has(.out) .hd-name{color:var(--hd-ink);text-decoration:none}
.hd-stamp.mod{color:var(--hd-amber);background:#fdf3e4}.hd-stamp.ok{color:#fff;background:var(--hd-green)}
.hd-hyps button.new{border-style:dashed}.hd-hyps button.new.is-done{border-style:solid;border-color:#86c79a}
.hd-hyps button.is-hidden-new .hd-name{font-size:0}.hd-hyps button.is-hidden-new .hd-name::before{content:"Neue Vermutung …";font-size:15px;color:#7b8f9e;font-style:italic;font-weight:500}
.hd-hyps button.is-done{animation:hd-pop .35s ease}@keyframes hd-pop{from{transform:scale(.985)}}
.hd-detail{grid-area:detail;padding:22px 24px;background:#fff;border-left:4px solid var(--hd-blue);border-radius:10px}
.hd-detail-top{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.hd-verdict{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:6px}
.hd-verdict.out{background:#eef1f4;color:#4d6475}.hd-verdict.mod{background:#fdf3e4;color:var(--hd-amber)}.hd-verdict.ok{background:var(--hd-green);color:#fff}
.hd-req{font-size:13px;font-weight:700;padding:4px 10px;border:1.5px dashed var(--hd-blue);border-radius:6px;color:var(--hd-blue)}
.hd-case .hd-detail p{margin:14px 0;font-size:17px;line-height:1.55;color:var(--hd-ink)}
.hd-metric{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px;padding:12px 0;border-top:1px solid #dbe5ec}
.hd-metric strong{font-size:34px;line-height:1.1;color:var(--hd-ink);letter-spacing:-.02em}.hd-metric span{font-size:14.5px;color:#4b6476}
.hd-next{margin-top:10px;padding:11px 18px;border:0;border-radius:8px;background:var(--hd-blue);color:#fff;font:inherit;font-weight:600;cursor:pointer}
 
.hd-case .hx-figure{grid-area:fig;margin:0;background:#fff;border:1px solid #d3e0e8;border-radius:12px;padding:14px}
.hx-figure svg{display:block;width:100%;height:auto}
#hx-schema{margin-bottom:10px;border-bottom:1px solid #e6edf2;padding-bottom:6px}
#hx-schema text{font:600 14px Arial,sans-serif;fill:#18334b}#hx-schema .s{font:12.5px Arial,sans-serif;fill:#4b6476}
#hx-schema .ground{stroke:#8a9aa6;stroke-width:1.5;stroke-dasharray:2 4}
#hx-schema .b{fill:#fff;stroke:#1c405c;stroke-width:2.2}#hx-schema .p{fill:none;stroke:#7d98ab;stroke-width:4;stroke-linejoin:round}
#hx-schema .p.cw{stroke:#d97706}#hx-schema .p.ret{stroke-dasharray:4 4;stroke-width:3}#hx-schema .x{stroke:#1c405c;stroke-width:1.6}
#hx-schema .water{fill:#dbeafe;transition:y .2s,height .2s}#hx-schema .lvl{stroke:var(--hd-water);stroke-width:2.5;transition:y1 .2s,y2 .2s}
#hx-schema .intake{stroke:var(--hd-red);stroke-width:1.5;stroke-dasharray:5 4}#hx-schema .intake.on{stroke-width:2.5}#hx-schema .intake-t{fill:var(--hd-red)}#hx-schema .lvl-t{fill:var(--hd-water);font-weight:700}
#hx-schema .miss{fill:#7b8f9e;font-style:italic}#hx-schema .sonde{fill:none;stroke:var(--hd-water);stroke-width:1.5;stroke-dasharray:3 3}
#hx-schema .pump.off{fill:#eef1f4;stroke:#a7b6c2}#hx-schema .mp{fill:#fff}#hx-schema .air circle{fill:#fff;stroke:var(--hd-water);stroke-width:1.2}
#hx-schema .hd-badge{fill:#fff;stroke:#c6d6e2;stroke-width:1.5}#hx-schema .hd-badge.on{fill:var(--hd-red);stroke:var(--hd-red)}#hx-schema .hd-badge.on+.badge-t{fill:#fff;font-weight:700}
#hx-schema .part.hx-hot .b{stroke:var(--hd-red);stroke-width:3;fill:#fff4ec}#hx-schema .part.hx-hot .pump.off{fill:#fff4ec}#hx-schema .part.hx-hot>text{fill:#9a3412}
.hx-grid{stroke:#e3ebf0}.hx-ax{font:13px Arial,sans-serif;fill:#5b7486}.hx-ax.cool{fill:var(--hd-amber)}
.hx-lab{font:600 14px Arial,sans-serif;fill:#18334b}.hx-lab.cool{fill:var(--hd-amber)}.hx-lab.lvl{fill:var(--hd-water)}
.hx-band{fill:#f3f6fa}.hx-band.on{fill:#fdeee4}.hx-throttle{fill:#6a4c9c;opacity:.07}
.hx-note{font:13px Arial,sans-serif;fill:#3d566a}.hx-note.cool{fill:var(--hd-amber);font-weight:600}.hx-note.good{fill:var(--hd-green);font-weight:700}.hx-note.bad{fill:var(--hd-red);font-weight:700}.hx-note.lvl{fill:var(--hd-water);font-weight:700}
.hx-flow{fill:none;stroke:#18334b;stroke-width:4;stroke-linejoin:round}.hx-good{fill:none;stroke:var(--hd-green);stroke-width:7;stroke-linecap:round;opacity:.85}
.hx-cool{fill:none;stroke:#d97706;stroke-width:2.5;opacity:.75}.hx-cool.on{stroke-width:4;opacity:1}.hx-limit{stroke:var(--hd-amber);stroke-width:1.5;stroke-dasharray:6 5}
.hx-trip{stroke:var(--hd-red);stroke-width:2;stroke-dasharray:3 3}
.hx-on{fill:#cfe0eb}.hx-on-t{font:600 10.5px Arial,sans-serif;fill:#18334b}
.hx-water{fill:#dbeafe}.hx-level{fill:none;stroke:var(--hd-water);stroke-width:3;stroke-linejoin:round}.hx-intake{stroke:var(--hd-red);stroke-width:2;stroke-dasharray:6 4}
.hx-missing{fill:#f6f8fa;stroke:#b6c4cf;stroke-width:1.5;stroke-dasharray:6 5}.hx-req{font:700 12px Arial,sans-serif;fill:var(--hd-blue)}
.hx-cursor{stroke:var(--hd-red);stroke-width:1.5;opacity:.7}.hx-dot{fill:#18334b}.hx-dot.cool{fill:#d97706}.hx-dot.lvl{fill:var(--hd-water)}
.hx-play-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:10px}
.hx-play-row button{padding:9px 15px;border:1px solid #18334b;background:#18334b;color:#fff;border-radius:7px;font:inherit;font-size:15px;cursor:pointer}
.hx-play-row output{font-size:14.5px;color:#3d566a;font-variant-numeric:tabular-nums}
 
.hd-result{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;align-items:center;margin-top:44px;padding:32px 36px;background:#fff;border-radius:14px;border-top:5px solid var(--hd-green);box-shadow:0 12px 36px rgba(24,51,75,.08)}
.hd-result:focus{outline:none}.hd-result:focus-visible{outline:3px solid #ab7732;outline-offset:4px}
.hd-case .hd-result h3{font-size:clamp(25px,3vw,36px);line-height:1.15;margin:10px 0 12px;color:var(--hd-ink)}
.hd-case .hd-measure{font-size:19px;margin:0 0 14px}.hd-measure b{color:var(--hd-green)}
.hd-actions{margin:0 0 6px;padding:0;list-style:none;display:grid;gap:7px}.hd-actions li{position:relative;padding-left:26px;font-size:16px;line-height:1.45}.hd-actions li::before{content:"✓";position:absolute;left:0;color:var(--hd-green);font-weight:700}
.hd-result .ctas{margin-top:22px}
.hd-loop{width:100%;height:auto}.hd-loop .ring{fill:none;stroke:#f3d9c6;stroke-width:10}.hd-loop .arc{fill:none;stroke:var(--hd-red);stroke-width:3;stroke-dasharray:6 6;animation:hd-dash2 1.2s linear infinite}
@keyframes hd-dash2{to{stroke-dashoffset:-12}}
.hd-loop .node rect{fill:#fff;stroke:var(--hd-red);stroke-width:1.8}.hd-loop text{font:600 14px Arial,sans-serif;fill:#7c2d12;text-anchor:middle}.hd-loop .mid{font:500 13px Arial,sans-serif;fill:#9a6b55}
.hd-hyps button:focus-visible,.hx-play-row button:focus-visible,.hd-next:focus-visible,.hd-detail:focus-visible{outline:3px solid #ab7732;outline-offset:2px}
@media(prefers-reduced-motion:reduce){.hd-arrow,.hd-loop .arc,.hd-hyps button.is-done{animation:none}}
@media(max-width:980px){.hd-flow{grid-template-columns:1fr;gap:0;justify-items:stretch}.hd-arrow{width:3px;height:26px;margin:4px auto;background:repeating-linear-gradient(180deg,var(--hd-blue) 0 6px,transparent 6px 11px);animation:none}.hd-arrow::after{right:-5px;top:auto;bottom:-6px;border:6.5px solid transparent;border-top:9px solid var(--hd-blue);border-bottom:0}.hd-engine{flex-direction:row;justify-content:center}
.hd-lab{grid-template-columns:1fr;grid-template-areas:"tabs" "fig" "detail";grid-template-rows:auto}}
@media(max-width:700px){.hd-problem{grid-template-columns:1fr;padding:22px;gap:16px}.hd-ticks i{width:11px;height:11px}
.hd-hyps{grid-template-columns:1fr 1fr;gap:6px}.hd-hyps button{grid-template-columns:auto 1fr;grid-template-rows:auto auto;padding:9px 10px;gap:4px 8px;font-size:14px}.hd-hyps button .hd-name{grid-column:1/-1;grid-row:2}.hd-hyps button .hd-stamp,.hd-hyps button:not(.is-done)::after{grid-column:2;grid-row:1;justify-self:end;font-size:10.5px;padding:3px 6px}.hd-hyps button:last-child{grid-column:1/-1}.hd-code{width:32px;height:24px;font-size:13px}
.hd-case .hx-figure{padding:8px}#hx-schema text{font-size:19px}#hx-schema .s{font-size:16px}.hx-ax,.hx-note{font-size:19px}.hx-lab{font-size:20px}.hx-on-t{font-size:15px}.hx-req{font-size:17px}
.hd-detail{padding:18px}.hd-metric strong{font-size:28px}
.hd-result{grid-template-columns:1fr;padding:22px;gap:18px}.hd-loop{max-width:240px;margin:0 auto}}
 
.hx-valve{fill:none;stroke:#7c3aed;stroke-width:3;stroke-linejoin:round;opacity:.75}.hx-valve.on{stroke:var(--hd-red);stroke-width:4;opacity:1}
.hx-lab.warn{fill:var(--hd-red)}.hx-dot.warn{fill:#7c3aed}
#hx-schema .pct{font-weight:700}#hx-schema .pct.low{fill:var(--hd-red)}
.hd-stamp.warn{color:var(--hd-red);background:#fdeee4}.hd-verdict.warn{background:#fdeee4;color:var(--hd-red)}
.hd-hyps button.warn .hd-code{background:#fdeee4;color:var(--hd-red)}.hd-hyps button.warn[aria-selected=true] .hd-code{background:var(--hd-red);color:#fff}
.hd-hyps button.new.warn.is-done{border-color:#f0b48f}
.hd-case .hd-twist{font-size:18px;line-height:1.5;margin:0 0 14px;color:#3d566a;max-width:60ch}
@media(max-width:700px){.hd-hyps button:last-child{grid-column:auto}}

#hx-schema .pump-t{font:700 11px Arial,sans-serif;fill:#18334b}