.eng{--eng-bg:#0f1517;--eng-bg-2:#141b1d;--eng-panel:#121a1c;--eng-edge:#2b3537;--eng-glass:#ffffff0d;--eng-glass-edge:#ffffff1f;--eng-ink:#e8eae2;--eng-muted:#93a09a;--eng-dim:#8d998f;--eng-gold:#d6c39a;--eng-gold-soft:#d6c39a33;--eng-platinum:#c9cdc6;--eng-green:#9fc3a5;--eng-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;color:var(--eng-ink);isolation:isolate;min-width:0;font-family:Inter,sans-serif;position:relative}.eng--paper{--eng-bg:#f1f0ea;--eng-bg-2:#e9e8e0;--eng-panel:#fbfaf6;--eng-edge:#cfd2c7;--eng-glass:#fff9;--eng-glass-edge:#fffc;--eng-ink:#1f2825;--eng-muted:#55635c;--eng-dim:#5f6a64;--eng-gold:#7d6336;--eng-gold-soft:#7d633622;--eng-platinum:#6c746f;--eng-green:#4c7a55}.eng *{box-sizing:border-box}.eng-register{font-family:var(--eng-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--eng-muted);flex-wrap:wrap;justify-content:space-between;gap:16px;margin-bottom:14px;font-size:10px;display:flex}.eng-panel{background:var(--eng-panel);border:1px solid var(--eng-edge);box-shadow:inset 0 1px 0 var(--eng-glass-edge), 0 30px 60px -36px #000a;border-radius:6px;min-width:0;overflow:hidden}.eng--paper .eng-panel{box-shadow:inset 0 1px #fff,0 24px 50px -34px #1b241f66}.eng-panel__bar{border-bottom:1px solid var(--eng-edge);font-family:var(--eng-mono);letter-spacing:.05em;color:var(--eng-muted);background:linear-gradient(180deg, var(--eng-glass), transparent);justify-content:space-between;align-items:center;gap:14px;padding:10px 14px;font-size:10px;display:flex}.eng-panel__bar b{color:var(--eng-ink);font-weight:500}.eng-code{font-family:var(--eng-mono);color:var(--eng-ink);tab-size:4;margin:0;padding:14px 0 16px;font-size:12.5px;line-height:1.75;overflow-x:auto}.eng-code .ln{white-space:pre;border-left:2px solid #0000;grid-template-columns:44px 1fr;gap:10px;padding-right:16px;transition:background .35s,border-color .35s,color .35s;display:grid}.eng-code .ln>i{text-align:right;color:var(--eng-dim);-webkit-user-select:none;user-select:none;font-style:normal}.eng-code .ln>span{min-width:0}.eng-code .c{color:var(--eng-dim)}.eng-code .k{color:var(--eng-platinum)}.eng-code .n{color:var(--eng-gold)}.eng-code .ln.is-hit{background:linear-gradient(90deg, var(--eng-gold-soft), transparent 70%);border-left-color:var(--eng-gold)}.eng-code .ln.is-dim,.eng-code .ln.is-dim .k,.eng-code .ln.is-dim .n{color:var(--eng-dim)}.eng-card{background:var(--eng-glass);border:1px solid var(--eng-glass-edge);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--eng-ink);text-align:left;cursor:pointer;width:100%;font:inherit;border-radius:6px;padding:16px 18px;transition:border-color .35s,transform .5s cubic-bezier(.2,.7,.2,1),background .35s}.eng-card:focus-visible{outline:2px solid var(--eng-gold);outline-offset:4px}.eng-card.is-active{border-color:var(--eng-gold);background:color-mix(in srgb, var(--eng-glass) 60%, var(--eng-gold-soft))}.eng-card__kind{font-family:var(--eng-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--eng-muted);justify-content:space-between;gap:12px;margin-bottom:8px;font-size:10px;display:flex}.eng-card__kind em{color:var(--eng-gold);font-style:normal}.eng-card__title{letter-spacing:-.015em;color:var(--eng-ink);margin:0 0 6px;font-size:15.5px;font-weight:500;line-height:1.35}.eng-card__note{color:var(--eng-muted);margin:0;font-size:13px;line-height:1.6}.eng-lines{pointer-events:none;z-index:3;width:100%;height:100%;position:absolute;inset:0;overflow:visible}.eng-lines path{fill:none;stroke:var(--eng-gold);stroke-width:1.25px;stroke-dasharray:1;stroke-dashoffset:1px;transition:stroke-dashoffset .9s cubic-bezier(.2,.7,.2,1)}.eng-lines path.is-drawn{stroke-dashoffset:0}.eng-lines circle{fill:var(--eng-gold)}.eng-steps{flex-wrap:wrap;align-items:center;gap:6px;min-width:0;max-width:100%;display:flex}.eng-register{min-width:0}.eng-register>span:first-child{overflow-wrap:anywhere;min-width:0}.eng-steps button{all:unset;cursor:pointer;font-family:var(--eng-mono);letter-spacing:.05em;color:var(--eng-muted);border:1px solid var(--eng-edge);text-align:center;border-radius:3px;min-width:34px;padding:6px 9px;font-size:10px;transition:color .3s,border-color .3s;position:relative;overflow:hidden}.eng-steps button:focus-visible{outline:2px solid var(--eng-gold);outline-offset:3px}.eng-steps button[aria-pressed=true]{color:var(--eng-ink);border-color:var(--eng-gold)}.eng-steps button[aria-pressed=true]:after{content:"";background:var(--eng-gold);transform-origin:0;width:100%;height:2px;transform:scaleX(var(--eng-progress,0));position:absolute;bottom:0;left:0}.eng-caption{font-family:var(--eng-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--eng-dim);margin-top:12px;font-size:10px}@media (prefers-reduced-motion:reduce){.eng-lines path{stroke-dashoffset:0;transition:none}}