.bsg{--bsg-accent: #a9b4ff;--bsg-bg: var(--card-bg, #1b1d22);--bsg-bg-2: #17191e;--bsg-border: var(--card-border, rgba(255, 255, 255, .1));--bsg-text: var(--color-text, #e4e4e4);--bsg-text-dim: rgba(228, 228, 228, .65);width:100%;max-width:880px;margin:0 auto;color:var(--bsg-text);background:var(--bsg-bg);border:1px solid var(--bsg-border);border-radius:16px;padding:1.5rem;box-sizing:border-box;font-variant-numeric:tabular-nums}.bsg-header{display:flex;justify-content:space-between;align-items:baseline;gap:.75rem;flex-wrap:wrap;margin-bottom:1.1rem}.bsg-title{font-size:1rem;font-weight:600;letter-spacing:.01em;margin:0;color:var(--bsg-text)}.bsg-presets{display:flex;gap:.4rem;flex-wrap:wrap}.bsg-preset-btn{font-size:.75rem;padding:.35rem .6rem;border-radius:999px;border:1px solid var(--bsg-border);background:var(--bsg-bg-2);color:var(--bsg-text-dim);cursor:pointer;transition:border-color .15s ease,color .15s ease}.bsg-preset-btn:hover,.bsg-preset-btn:focus-visible{border-color:var(--bsg-accent);color:var(--bsg-text)}.bsg-controls{display:flex;flex-direction:column;gap:.85rem;margin-bottom:1.2rem}.bsg-temp-control{display:flex;flex-direction:column;gap:.45rem}.bsg-temp-row{display:flex;align-items:center;gap:.5rem}.bsg-temp-row label{font-size:.78rem;color:var(--bsg-text-dim);min-width:90px}.bsg-temp-input{width:6.5rem;background:var(--bsg-bg-2);border:1px solid var(--bsg-border);border-radius:8px;color:var(--bsg-text);font-size:1rem;padding:.4rem .55rem;outline:none;transition:border-color .15s ease}.bsg-temp-input:focus{border-color:var(--bsg-accent)}.bsg-temp-unit{font-size:.85rem;color:var(--bsg-text-dim)}.bsg-slider{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:999px;background:linear-gradient(90deg,#ff8a4f,#ffe08a,#cfe0ff,#8ab4ff);outline:none;cursor:pointer}.bsg-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--bsg-thumb-color, #fff);border:2px solid #fff;box-shadow:0 0 6px #fff9;cursor:pointer}.bsg-slider::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--bsg-thumb-color, #fff);border:2px solid #fff;box-shadow:0 0 6px #fff9;cursor:pointer}.bsg-toggles{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}.bsg-scale-toggle{display:inline-flex;border:1px solid var(--bsg-border);border-radius:999px;overflow:hidden}.bsg-scale-btn{font-size:.75rem;padding:.35rem .75rem;background:var(--bsg-bg-2);color:var(--bsg-text-dim);border:none;cursor:pointer}.bsg-scale-btn.active{background:var(--bsg-accent);color:#14151a;font-weight:600}.bsg-compare-toggle{display:flex;align-items:center;gap:.4rem;font-size:.78rem;color:var(--bsg-text-dim);cursor:pointer}.bsg-compare-toggle input[type=checkbox]{accent-color:var(--bsg-accent)}.bsg-temp-control--compare{padding-top:.6rem;border-top:1px dashed var(--bsg-border)}.bsg-main{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:1.25rem;align-items:start}@media(max-width:640px){.bsg-main{grid-template-columns:1fr}}.bsg-chart-wrap{min-width:0}.bsg-legend{display:flex;gap:1rem;margin-bottom:.4rem;font-size:.75rem;color:var(--bsg-text-dim)}.bsg-legend-item{display:inline-flex;align-items:center;gap:.35rem}.bsg-legend-dot{width:9px;height:9px;border-radius:50%;display:inline-block}.bsg-legend-dot--dashed{border-radius:2px}.bsg-svg{width:100%;height:auto;display:block;overflow:visible}.bsg-gridline{stroke:var(--bsg-border);stroke-width:1}.bsg-axis-line{stroke:var(--bsg-text-dim);stroke-width:1}.bsg-axis-label{fill:var(--bsg-text-dim);font-size:10px}.bsg-band-label{fill:var(--bsg-text-dim);font-size:9px;letter-spacing:.06em;text-transform:uppercase}.bsg-y-caption{font-size:.72rem;color:var(--bsg-text-dim);margin:.3rem 0 0;text-align:center}.bsg-readouts{display:flex;flex-direction:column;gap:.9rem}.bsg-swatch-card{display:flex;align-items:center;gap:.75rem;background:var(--bsg-bg-2);border:1px solid var(--bsg-border);border-radius:12px;padding:.75rem}.bsg-swatch{width:42px;height:42px;border-radius:50%;flex-shrink:0}.bsg-swatch-info{display:flex;flex-direction:column;gap:.15rem}.bsg-swatch-label{font-size:.7rem;color:var(--bsg-text-dim)}.bsg-swatch-value{font-size:.9rem;font-weight:600}.bsg-stats{margin:0;display:flex;flex-direction:column;gap:.5rem}.bsg-stat{display:flex;flex-direction:column;gap:.1rem}.bsg-stat dt{font-size:.7rem;color:var(--bsg-text-dim)}.bsg-stat dd{margin:0;font-size:.92rem;font-weight:600}.bsg-footer-row{display:flex;justify-content:flex-end;margin-top:1rem}.bsg-copy-btn{font-size:.78rem;padding:.4rem .75rem;border-radius:8px;border:1px solid var(--bsg-border);background:var(--bsg-bg-2);color:var(--bsg-text-dim);cursor:pointer;transition:border-color .15s ease,color .15s ease}.bsg-copy-btn:hover,.bsg-copy-btn:focus-visible{border-color:var(--bsg-accent);color:var(--bsg-text)}