pcalc-prefixed;the shared .on modifier stays in styles.css. ========================================================================= */ .pcalc{display:grid;grid-template-columns:340px 1fr;gap:clamp(28px,4vw,56px);align-items:stretch;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:clamp(24px,3vw,40px);box-shadow:var(--shadow-sm)}.pcalc-ctl{display:flex;flex-direction:column;gap:22px}.pc-field label{display:block;font-family:var(--font-ui);font-weight:700;font-size:13px;color:var(--ink-soft);margin-bottom:9px}.pc-row{display:flex;align-items:center;gap:14px}.pc-row b{font-family:var(--font-display);font-weight:700;font-size:16px;color:var(--ink);min-width:64px;text-align:right;font-variant-numeric:tabular-nums}.pc-row input[type=range]{flex:1}.pc-rates{display:flex;gap:8px}.pc-rate{flex:1;font-family:var(--font-ui);font-weight:700;font-size:14px;color:var(--ink-soft);background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:10px 0;cursor:pointer;transition:all .15s}.pc-rate:hover{border-color:var(--accent);color:var(--accent)}.pc-rate.on{background:var(--accent);border-color:var(--accent);color:#fff}.pc-total{margin-top:auto;background:var(--navy);border-radius:14px;padding:18px 20px;color:#fff}.pc-total span{display:block;font-family:var(--font-ui);font-size:12px;font-weight:700;color:rgba(255,255,255,.65);margin-bottom:4px}.pc-total b{font-family:var(--font-display);font-weight:700;font-size:30px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.pcalc-chart{display:flex;flex-direction:column;min-width:0}.pc-bars{flex:1;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,3vw,40px);align-items:end;min-height:260px;padding:0 clamp(4px,1vw,16px)}.pc-col{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:8px}.pc-amt{font-family:var(--font-display);font-weight:700;font-size:clamp(15px,1.6vw,20px);color:var(--ink);font-variant-numeric:tabular-nums}.pc-bar{width:100%;max-width:120px;border-radius:12px 12px 4px 4px;background:var(--accent);transition:height .45s cubic-bezier(.22,.8,.3,1);min-height:8px}.pc-x{font-family:var(--font-ui);font-weight:700;font-size:13px;color:var(--ink-soft)}.pc-cl{font-family:var(--font-ui);font-style:normal;font-size:11.5px;color:var(--faint)}.pc-note{font-family:var(--font-ui);font-size:12px;color:var(--faint);margin:18px 0 0;line-height:1.55}@media (max-width:920px){.pcalc{grid-template-columns:1fr}.pc-bars{min-height:200px}.pc-total{margin-top:4px}}