/* Blech-Konfigurator (White Label) – nur unter .kk2.bk. Farben aus dem Kern (--kk2-*). */
.kk2.bk .bk-switch{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.kk2.bk .bk-switch button[aria-pressed="true"]{background:var(--kk2-accent);border-color:var(--kk2-accent);color:var(--kk2-accent-text)}
.kk2.bk .bk-top{display:grid;gap:10px}
.kk2.bk .bk-drop{display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center;text-align:center;padding:22px 14px;border:2px dashed color-mix(in srgb,var(--kk2-accent) 60%,var(--kk2-line));
  border-radius:16px;background:color-mix(in srgb,var(--kk2-accent) 7%,var(--kk2-card));cursor:pointer;transition:background .15s,border-color .15s;min-height:110px}
.kk2.bk .bk-drop:hover,.kk2.bk .bk-drop.over{background:color-mix(in srgb,var(--kk2-accent) 16%,var(--kk2-card));border-color:var(--kk2-accent)}
.kk2.bk .bk-drop b{font-size:1.05rem}
.kk2.bk .bk-samples{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.kk2.bk .bk-msgs{display:grid;gap:6px;margin-top:10px}
.kk2.bk .bk-msgs:empty{display:none}
.kk2.bk .bk-msg{display:flex;gap:10px;justify-content:space-between;align-items:flex-start;padding:9px 12px;border-radius:12px;border:1px solid var(--kk2-warn);
  background:color-mix(in srgb,var(--kk2-warn) 12%,var(--kk2-card));font-size:.87rem;overflow-wrap:anywhere}
.kk2.bk .bk-x{border:0;background:transparent;font-size:1.2rem;line-height:1;cursor:pointer;padding:0 4px;color:var(--kk2-text)}
.kk2.bk .bk-busy{margin:10px 0 0;color:var(--kk2-muted);font-size:.9rem}
.kk2.bk .bk-busy::before{content:"";display:inline-block;width:12px;height:12px;margin-right:8px;border:2px solid var(--kk2-accent);border-right-color:transparent;border-radius:50%;animation:bkspin .8s linear infinite;vertical-align:-1px}
@keyframes bkspin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.kk2.bk .bk-busy::before{animation:none}}
.kk2.bk .bk-empty{margin-top:12px;font-size:.9rem}
.kk2.bk .bk-main{margin-top:14px;align-items:start}
.kk2.bk .bk-parts{display:grid;gap:12px;min-width:0}
.kk2.bk .bk-part-head{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;margin-bottom:8px}
.kk2.bk .bk-part-name{min-width:0}
.kk2.bk .bk-part-name b{display:block;overflow-wrap:anywhere}
.kk2.bk .bk-part-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:12px;align-items:start}
@media (max-width:520px){.kk2.bk .bk-part-grid{grid-template-columns:minmax(0,1fr)}}
.kk2.bk .bk-prev{background:color-mix(in srgb,var(--kk2-bg) 60%,var(--kk2-card));border:1px solid var(--kk2-line);border-radius:12px;padding:8px;display:flex;flex-direction:column;align-items:center;gap:4px}
.kk2.bk .bk-svg{width:100%;height:auto;max-height:200px;aspect-ratio:4/3;display:block}
.kk2.bk .bk-outer{fill:color-mix(in srgb,var(--kk2-accent) 22%,transparent);stroke:var(--kk2-accent);stroke-width:1.6;vector-effect:non-scaling-stroke}
.kk2.bk .bk-hole{fill:none;stroke:var(--kk2-text);stroke-width:1;vector-effect:non-scaling-stroke;opacity:.85}
.kk2.bk .bk-open{fill:none;stroke:var(--kk2-warn);stroke-width:2;stroke-dasharray:5 3;vector-effect:non-scaling-stroke}
.kk2.bk .bk-bend{fill:none;stroke:var(--kk2-warn);stroke-width:1.4;stroke-dasharray:8 4 2 4;vector-effect:non-scaling-stroke}
.kk2.bk .bk-3d-top{fill:color-mix(in srgb,var(--kk2-accent) 35%,transparent);stroke:var(--kk2-accent)}
.kk2.bk .bk-3d-front{fill:color-mix(in srgb,var(--kk2-accent) 20%,transparent);stroke:var(--kk2-accent)}
.kk2.bk .bk-3d-side{fill:color-mix(in srgb,var(--kk2-accent) 10%,transparent);stroke:var(--kk2-accent)}
.kk2.bk .bk-dim{font-size:.78rem;color:var(--kk2-muted)}
.kk2.bk .bk-mass td{padding:3px 2px}
.kk2.bk .bk-mass td.kk2-num{white-space:normal;text-align:right}
.kk2.bk .bk-notes{font-size:.78rem}
.kk2.bk .bk-ctrls{grid-template-columns:1.4fr .8fr .8fr auto;margin-top:10px;align-items:end}
@media (max-width:620px){.kk2.bk .bk-ctrls{grid-template-columns:1fr 1fr}.kk2.bk .bk-ctrls>:first-child{grid-column:1/-1}}
.kk2.bk .bk-rm{justify-content:flex-end}
.kk2.bk .bk-res{margin-top:10px;padding:10px 12px;border-radius:12px;font-size:.9rem}
.kk2.bk .bk-res-row{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.kk2.bk .bk-stk{font-size:1.15rem}
.kk2.bk .bk-sum{position:sticky;top:10px}
@media (max-width:760px){.kk2.bk .bk-sum{position:static}}
.kk2.bk .bk-sum .kk2-fields{grid-template-columns:1fr}
.kk2.bk .bk-ellip{display:inline-block;max-width:100%;overflow-wrap:anywhere}
.kk2.bk .bk-sent h3{font-size:1.15rem}