.bhi{--bhi-accent: #a9b4ff;--bhi-accent-warm: #ffb84d;--bhi-bg: var(--card-bg, #1b1d22);--bhi-bg-2: #17191e;--bhi-border: var(--card-border, rgba(255, 255, 255, .1));--bhi-text: var(--color-text, #e4e4e4);--bhi-text-dim: rgba(228, 228, 228, .65);--bhi-bad: #ff8a7e;width:100%;max-width:720px;margin:0 auto;color:var(--bhi-text);background:var(--bhi-bg);border:1px solid var(--bhi-border);border-radius:16px;padding:1.5rem;box-sizing:border-box;font-variant-numeric:tabular-nums}.bhi-header{display:flex;justify-content:space-between;align-items:baseline;gap:.75rem;flex-wrap:wrap;margin-bottom:1rem}.bhi-title{font-size:1rem;font-weight:600;letter-spacing:.01em;margin:0;color:var(--bhi-text)}.bhi-presets{display:flex;gap:.4rem;flex-wrap:wrap}.bhi-preset-btn{font-size:.75rem;padding:.35rem .6rem;border-radius:999px;border:1px solid var(--bhi-border);background:var(--bhi-bg-2);color:var(--bhi-text-dim);cursor:pointer;transition:border-color .15s ease,color .15s ease}.bhi-preset-btn:hover,.bhi-preset-btn:focus-visible{border-color:var(--bhi-accent);color:var(--bhi-text)}.bhi-explainer{font-size:.8rem;color:var(--bhi-text-dim);line-height:1.5;margin:0 0 1rem}.bhi-explainer strong{color:var(--bhi-text)}.bhi-explainer code{background:var(--bhi-bg-2);border:1px solid var(--bhi-border);border-radius:4px;padding:.05rem .3rem;font-size:.75rem;color:var(--bhi-text)}.bhi-fields{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1rem}.bhi-field{display:flex;flex-direction:column;gap:.35rem}.bhi-field label{font-size:.78rem;color:var(--bhi-text-dim)}.bhi-input-row{display:flex;gap:.5rem}.bhi-input{flex:1;min-width:0;background:var(--bhi-bg-2);border:1px solid var(--bhi-border);border-radius:8px;color:var(--bhi-text);font-size:1rem;padding:.5rem .65rem;outline:none;transition:border-color .15s ease}.bhi-input:focus{border-color:var(--bhi-accent)}.bhi-unit-select{background:var(--bhi-bg-2);border:1px solid var(--bhi-border);border-radius:8px;color:var(--bhi-text);font-size:.85rem;padding:.5rem;outline:none;cursor:pointer}.bhi-spin-field{margin-bottom:1.1rem}.bhi-spin-label-row{display:flex;justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.4rem}.bhi-spin-label-row label{font-size:.78rem;color:var(--bhi-text-dim)}.bhi-spin-number{width:5.5rem;background:var(--bhi-bg-2);border:1px solid var(--bhi-accent);border-radius:8px;color:var(--bhi-text);font-size:.9rem;font-weight:600;padding:.3rem .5rem;outline:none;text-align:center}.bhi-spin-range{width:100%;accent-color:var(--bhi-accent-warm);cursor:pointer}.bhi-spin-scale{display:flex;justify-content:space-between;font-size:.68rem;color:var(--bhi-text-dim);margin-top:.2rem}.bhi-headline-card{background:#a9b4ff14;border:1px solid var(--bhi-accent);border-radius:12px;padding:.9rem 1rem;margin-bottom:1.1rem;text-align:center}.bhi-headline{font-size:1.15rem;font-weight:700;color:var(--bhi-text)}.bhi-headline-sub{font-size:.8rem;color:var(--bhi-text-dim);margin-top:.35rem}.bhi-chart-wrap{background:var(--bhi-bg-2);border:1px solid var(--bhi-border);border-radius:12px;padding:.75rem .75rem .5rem;margin-bottom:1.1rem}.bhi-diagram-svg,.bhi-curve-svg{width:100%;height:auto;display:block;overflow:visible}.bhi-diagram-svg{max-width:320px;margin:0 auto}.bhi-isco-ring{fill:none;stroke:#7de0d4;stroke-width:1.5;stroke-dasharray:5 4}.bhi-horizon{fill:#050506;stroke:#3a1f0a;stroke-width:2}.bhi-spin-glyph{fill:var(--bhi-text)}.bhi-diagram-label{font-size:10px}.bhi-diagram-label--horizon{fill:var(--bhi-text-dim)}.bhi-diagram-label--isco{fill:#7de0d4}.bhi-chart-gridline{stroke:var(--bhi-border);stroke-width:1}.bhi-chart-axis-line{stroke:var(--bhi-text-dim);stroke-width:1}.bhi-chart-axis-label{fill:var(--bhi-text-dim);font-size:10px}.bhi-curve-line{fill:none;stroke:var(--bhi-accent);stroke-width:2.5}.bhi-curve-point{fill:var(--bhi-accent-warm);stroke:#14151a;stroke-width:1.5}.bhi-chart-caption{font-size:.72rem;color:var(--bhi-text-dim);margin:.35rem 0 0;text-align:center;line-height:1.4}.bhi-table{display:flex;flex-direction:column;gap:.35rem;margin-bottom:1rem}.bhi-row{display:flex;justify-content:space-between;align-items:baseline;gap:.75rem;background:var(--bhi-bg-2);border:1px solid var(--bhi-border);border-radius:8px;padding:.55rem .75rem}.bhi-row-label{font-size:.85rem;color:var(--bhi-text-dim)}.bhi-row-value{font-size:.95rem;font-weight:600;color:var(--bhi-text);white-space:nowrap}.bhi-row-unit{font-size:.78rem;font-weight:400;color:var(--bhi-text-dim)}.bhi-note{font-size:.78rem;color:var(--bhi-text-dim);background:var(--bhi-bg-2);border:1px solid var(--bhi-border);border-left:3px solid var(--bhi-accent);border-radius:8px;padding:.6rem .75rem;line-height:1.45;margin:0 0 1rem}.bhi-note--warn{border-left-color:var(--bhi-bad)}.bhi-footer-row{display:flex;justify-content:flex-end}.bhi-copy-btn{font-size:.78rem;padding:.4rem .75rem;border-radius:8px;border:1px solid var(--bhi-border);background:var(--bhi-bg-2);color:var(--bhi-text-dim);cursor:pointer;transition:border-color .15s ease,color .15s ease}.bhi-copy-btn:hover,.bhi-copy-btn:focus-visible{border-color:var(--bhi-accent);color:var(--bhi-text)}