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var(--spindle-border-strong);border-radius:var(--radius-sm,9px);background:var(--bg-2,#10161d);align-content:start;gap:1rem;padding:1rem;display:grid}.spindle-proto__formula{overflow-wrap:anywhere;color:var(--spindle-blue);font-family:var(--font-mono,monospace);text-align:center;font-size:clamp(.95rem,2vw,1.15rem)}.spindle-proto__metrics{gap:.55rem;display:grid}.spindle-proto__metrics>div{border-block-end:1px solid var(--spindle-border);justify-content:space-between;align-items:baseline;gap:.75rem;padding-block-start:.45rem;padding-block-end:.45rem;display:flex}.spindle-proto__metrics>div:last-child{border-block-end:0}.spindle-proto__metrics span{color:var(--spindle-muted);font-size:.85rem}.spindle-proto__metrics strong{color:var(--spindle-accent);font-family:var(--font-mono,monospace);text-align:end;font-size:1.05rem}.spindle-proto__metrics small{color:var(--spindle-muted);font-size:.72rem;font-weight:500}.spindle-proto__hint{color:var(--spindle-muted);margin:1rem 0 0;font-size:.86rem}.spindle-proto__detail{padding:0}.spindle-proto__detail summary{min-height:52px;color:var(--spindle-ink);cursor:pointer;padding:.9rem 1.2rem;font-weight:700}.spindle-proto__detail summary:hover{color:var(--spindle-accent)}.spindle-proto__detail>div{color:var(--spindle-muted);padding:0 1.2rem 1.2rem}.spindle-proto__detail h3{color:var(--spindle-ink);margin-block-start:0;margin-block-end:.5rem}.spindle-proto__safety{border:1px solid color-mix(in srgb, var(--spindle-accent) 42%, var(--spindle-border));border-radius:var(--radius,14px);background:color-mix(in srgb, var(--spindle-accent) 7%, var(--spindle-card));grid-template-columns:34px minmax(0,1fr);gap:.8rem;padding:1rem 1.15rem;display:grid}.spindle-proto__safety>span{background:var(--spindle-accent);width:30px;height:30px;color:var(--accent-ink,#1b1204);border-radius:50%;place-items:center;font-weight:800;display:grid}.spindle-proto__safety h2{margin:0 0 .35rem;font-size:1rem}.spindle-proto__safety p{color:var(--spindle-muted);margin:0;font-size:.88rem}.spindle-proto__quiz fieldset{border:0;min-width:0;margin:0 0 1rem;padding:0}.spindle-proto__quiz legend{margin-block-end:.8rem;font-weight:600}.spindle-proto__answers{grid-template-columns:repeat(3,minmax(0,1fr));gap:.65rem;display:grid}.spindle-proto__answers button{border:1px solid var(--spindle-border-strong);border-radius:var(--radius-sm,9px);background:var(--bg-2,#10161d);text-align:start;justify-content:flex-start;align-items:center;gap:.6rem;min-height:48px;padding:.65rem .8rem;transition:border-color .16s,background-color .16s;display:flex}.spindle-proto__answers button:hover{border-color:var(--spindle-accent)}.spindle-proto__answers button.is-selected{border-color:var(--spindle-accent);background:color-mix(in srgb, var(--spindle-accent) 10%, var(--bg-2,#10161d))}.spindle-proto__radio{color:var(--spindle-accent);font-family:var(--font-mono,monospace)}.spindle-proto__feedback{margin:.85rem 0 0;font-weight:600}.spindle-proto__feedback.is-correct{color:var(--spindle-green)}.spindle-proto__feedback.is-wrong{color:var(--spindle-red)}.spindle-proto .btn{min-height:44px}.spindle-proto button:focus-visible{outline:2px solid var(--spindle-accent);outline-offset:3px}.spindle-proto summary:focus-visible{outline:2px solid var(--spindle-accent);outline-offset:3px}.spindle-proto a:focus-visible{outline:2px solid var(--spindle-accent);outline-offset:3px}.spindle-proto input:focus-visible{outline:2px solid var(--spindle-accent);outline-offset:3px}.spindle-tutor{border:1px solid var(--spindle-border);border-radius:var(--radius,14px);background:linear-gradient(135deg, var(--spindle-raised), var(--spindle-card));grid-template-columns:116px minmax(0,1fr);align-items:center;gap:.8rem;min-width:0;padding:.8rem;display:grid}.spindle-tutor__avatar{cursor:pointer;background:0 0;border:0;border-radius:12px;width:116px;min-height:124px;padding:0;display:block;overflow:hidden}.spindle-tutor__portrait{width:100%;height:124px;display:block;position:relative;overflow:hidden}.spindle-tutor__portrait img{object-fit:contain;object-position:center bottom;width:100%;height:100%;display:block}.spindle-tutor__portrait svg{pointer-events:none;width:100%;height:100%;position:absolute;top:0;bottom:0;left:0;right:0}.spindle-tutor__blink{fill:#25313a;transform-box:fill-box;transform-origin:50%;animation:5.5s infinite spindle-tutor-blink}.spindle-tutor__mouth{fill:#562f2a;transform-box:fill-box;transform-origin:50%}.spindle-tutor__avatar.is-talking .spindle-tutor__portrait{animation:1.2s ease-in-out spindle-tutor-gesture}.spindle-tutor__avatar.is-talking .spindle-tutor__mouth{animation:.18s ease-in-out infinite alternate spindle-tutor-mouth}.spindle-tutor__bubble{border:1px solid var(--spindle-border-strong);background:var(--bg-2,#10161d);border-radius:12px;min-width:0;padding:.85rem 2.3rem .8rem .9rem;position:relative}.spindle-tutor[dir=rtl] .spindle-tutor__bubble{padding:.85rem .9rem .8rem 2.3rem}.spindle-tutor__bubble>p{color:var(--spindle-ink);margin:0;line-height:1.55}.spindle-tutor__bubble-close{width:38px;height:38px;color:var(--spindle-muted);cursor:pointer;background:0 0;border:0;border-radius:8px;font-size:1.35rem;position:absolute;top:.3rem}.spindle-tutor__bubble-close:not(:-webkit-any(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi))){right:.3rem}.spindle-tutor__bubble-close:not(:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi))){right:.3rem}.spindle-tutor__bubble-close:-webkit-any(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){left:.3rem}.spindle-tutor__bubble-close:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){left:.3rem}.spindle-tutor__detail{border-top:1px solid var(--spindle-border);margin-top:.7rem;padding-top:.65rem}.spindle-tutor__detail h3{color:var(--spindle-accent);margin:0 0 .4rem;font-size:1rem}.spindle-tutor__detail p{color:var(--spindle-muted);margin:.4rem 0;line-height:1.55}.spindle-tutor__example{background:color-mix(in srgb, var(--spindle-accent) 8%, var(--bg-2,#10161d));border-radius:9px;padding:.65rem}.spindle-tutor__example p{margin-bottom:0}.spindle-tutor__actions{grid-column:1/-1;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;display:grid}.spindle-tutor__actions button,.spindle-tutor__restore{border:1px solid var(--spindle-border-strong);background:var(--bg-2,#10161d);min-width:0;min-height:44px;color:var(--spindle-ink);text-align:start;cursor:pointer;border-radius:9px;padding:.55rem .7rem}.spindle-tutor__actions button:hover,.spindle-tutor__restore:hover{border-color:var(--spindle-accent)}.spindle-tutor--hidden{background:0 0;border:0;padding:0;display:block}.spindle-tutor__restore{align-items:center;gap:.5rem;display:inline-flex}.spindle-tutor__restore img{object-fit:contain;width:38px;height:40px}.spindle-proto__photo-zoom{cursor:zoom-in;background:0 0;border:0;border-radius:9px;width:100%;min-height:44px;padding:0;display:block;overflow:hidden}.spindle-proto__photo-zoom img{width:100%;height:auto;display:block}.spindle-proto__hotspots rect{cursor:pointer;pointer-events:all}.spindle-proto__hotspots rect:focus{fill:#f59e0b1c;stroke:#f59e0b;stroke-width:2px;outline:none}@keyframes spindle-tutor-blink{0%,45%,48%,to{transform:scaleY(1)}46.5%{transform:scaleY(.12)}}@keyframes spindle-tutor-mouth{0%{transform:scaleY(.55)}to{transform:scaleY(1.5)}}@keyframes spindle-tutor-gesture{0%,to{transform:translateY(0)rotate(0)}35%{transform:translateY(-2px)rotate(-1deg)}70%{transform:translateY(0)rotate(1deg)}}@media (max-width:520px){.spindle-tutor{grid-template-columns:92px minmax(0,1fr);align-items:start;gap:.55rem;padding:.6rem}.spindle-tutor__avatar{width:92px;min-height:108px}.spindle-tutor__portrait{height:108px}.spindle-tutor__bubble{padding:.7rem 2rem .7rem .7rem}.spindle-tutor[dir=rtl] .spindle-tutor__bubble{padding:.7rem .7rem .7rem 2rem}.spindle-tutor__bubble>p,.spindle-tutor__detail p{font-size:.9rem}.spindle-tutor__actions button{min-height:48px;font-size:.88rem}}@media (prefers-reduced-motion:reduce){.spindle-tutor__blink,.spindle-tutor__avatar.is-talking .spindle-tutor__portrait,.spindle-tutor__avatar.is-talking .spindle-tutor__mouth{animation:none}}@media (max-width:760px){.spindle-proto__intro,.spindle-proto__calculator,.spindle-proto__photo{grid-template-columns:minmax(0,1fr)}.spindle-proto__photo img{max-height:220px}}@media (max-width:520px){.spindle-proto__answers{grid-template-columns:minmax(0,1fr)}.spindle-proto__metrics>div{flex-direction:column;align-items:flex-start;gap:.15rem}.spindle-proto__metrics strong{text-align:start}.spindle-proto__speech-controls .btn{flex:10rem}}@media (prefers-reduced-motion:reduce){.spindle-proto *,.spindle-proto :before,.spindle-proto :after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}