.htc{--htc-accent: #c79bff;--htc-bg: var(--card-bg, #1b1d22);--htc-bg-2: #17191e;--htc-border: var(--card-border, rgba(255, 255, 255, .1));--htc-text: var(--color-text, #e4e4e4);--htc-text-dim: rgba(228, 228, 228, .65);--htc-bad: #ff8a7e;--htc-cold: #7ec8ff;--htc-hot: #ff9d5c;width:100%;max-width:720px;margin:0 auto;color:var(--htc-text);background:var(--htc-bg);border:1px solid var(--htc-border);border-radius:16px;padding:1.5rem;box-sizing:border-box;font-variant-numeric:tabular-nums}.htc-header{display:flex;justify-content:space-between;align-items:baseline;gap:.75rem;flex-wrap:wrap;margin-bottom:1rem}.htc-title{font-size:1rem;font-weight:600;letter-spacing:.01em;margin:0;color:var(--htc-text)}.htc-presets{display:flex;gap:.4rem;flex-wrap:wrap}.htc-preset-btn{font-size:.75rem;padding:.35rem .6rem;border-radius:999px;border:1px solid var(--htc-border);background:var(--htc-bg-2);color:var(--htc-text-dim);cursor:pointer;transition:border-color .15s ease,color .15s ease}.htc-preset-btn:hover,.htc-preset-btn:focus-visible{border-color:var(--htc-accent);color:var(--htc-text)}.htc-explainer{font-size:.8rem;color:var(--htc-text-dim);line-height:1.5;margin:0 0 1rem}.htc-explainer code{background:var(--htc-bg-2);border:1px solid var(--htc-border);border-radius:4px;padding:.05rem .3rem;font-size:.75rem;color:var(--htc-text)}.htc-fields{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1rem}.htc-field{display:flex;flex-direction:column;gap:.35rem}.htc-field label{font-size:.78rem;color:var(--htc-text-dim)}.htc-input-row{display:flex;gap:.5rem}.htc-input{flex:1;min-width:0;background:var(--htc-bg-2);border:1px solid var(--htc-border);border-radius:8px;color:var(--htc-text);font-size:1rem;padding:.5rem .65rem;outline:none;transition:border-color .15s ease}.htc-input:focus{border-color:var(--htc-accent)}.htc-unit-select{background:var(--htc-bg-2);border:1px solid var(--htc-border);border-radius:8px;color:var(--htc-text);font-size:.85rem;padding:.5rem;outline:none;cursor:pointer}.htc-headline-card{background:#c79bff14;border:1px solid var(--htc-accent);border-radius:12px;padding:.9rem 1rem;margin-bottom:1.1rem;text-align:center}.htc-headline{font-size:1.25rem;font-weight:700;color:var(--htc-text);margin-bottom:.4rem}.htc-headline-sub{font-size:.8rem;color:var(--htc-text-dim);margin-top:.2rem}.htc-cmb-tag{display:inline-block;margin-top:.6rem;font-size:.72rem;font-weight:600;padding:.3rem .6rem;border-radius:999px;line-height:1.4}.htc-cmb-tag--cold{background:#7ec8ff1f;color:var(--htc-cold);border:1px solid rgba(126,200,255,.35)}.htc-cmb-tag--hot{background:#ff9d5c1f;color:var(--htc-hot);border:1px solid rgba(255,157,92,.35)}.htc-chart-svg{width:100%;height:auto;display:block;overflow:visible}.htc-chart-gridline{stroke:var(--htc-border);stroke-width:1}.htc-chart-axis-line{stroke:var(--htc-text-dim);stroke-width:1}.htc-chart-axis-label{fill:var(--htc-text-dim);font-size:10px}.htc-ylabel{writing-mode:vertical-rl}.htc-curve-line{fill:none;stroke:var(--htc-accent);stroke-width:2.5;stroke-linejoin:round}.htc-cmb-line{stroke:var(--htc-cold);stroke-width:1.5;stroke-dasharray:5 4}.htc-cmb-label{fill:var(--htc-cold);font-size:10px}.htc-ref-dot{fill:var(--htc-bg-2);stroke:var(--htc-text-dim);stroke-width:1.5}.htc-ref-label{fill:var(--htc-text-dim);font-size:9px}.htc-current-dot{fill:var(--htc-hot);stroke:#14151a;stroke-width:1.5}.htc-current-halo{fill:none;stroke:var(--htc-hot);stroke-width:1.5;opacity:.5}.htc-chart-caption{font-size:.72rem;color:var(--htc-text-dim);margin:.35rem 0 0;text-align:center;line-height:1.4}.htc-note{font-size:.78rem;color:var(--htc-text-dim);background:var(--htc-bg-2);border:1px solid var(--htc-border);border-left:3px solid var(--htc-accent);border-radius:8px;padding:.6rem .75rem;line-height:1.45;margin:0 0 1rem}.htc-note--warn{border-left-color:var(--htc-bad)}.htc-footer-row{display:flex;justify-content:flex-end;flex-wrap:wrap;row-gap:.5rem}.htc-copy-btn{font-size:.78rem;padding:.4rem .75rem;border-radius:8px;border:1px solid var(--htc-border);background:var(--htc-bg-2);color:var(--htc-text-dim);cursor:pointer;transition:border-color .15s ease,color .15s ease}.htc-copy-btn:hover,.htc-copy-btn:focus-visible{border-color:var(--htc-accent);color:var(--htc-text)}