#js-tool-container-heat-load-by-volume-calculator .hv-app { display: flex; flex-direction: column; gap: 22px; color: var(--text-primary); }
#js-tool-container-heat-load-by-volume-calculator .hv-controls,
#js-tool-container-heat-load-by-volume-calculator .hv-outcome,
#js-tool-container-heat-load-by-volume-calculator .hv-preview,
#js-tool-container-heat-load-by-volume-calculator .hv-analysis,
#js-tool-container-heat-load-by-volume-calculator .hv-details { display: flex; flex-direction: column; gap: 14px; }
#js-tool-container-heat-load-by-volume-calculator .tbcalc-section-title { font-size: 1.05rem; font-weight: 650; letter-spacing: -0.01em; }
#js-tool-container-heat-load-by-volume-calculator .tbcalc-section-note { margin: 0; font-size: 0.85rem; line-height: 1.45; color: var(--text-muted); }
#js-tool-container-heat-load-by-volume-calculator .tbcalc-fieldset { border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 14px 16px 16px; margin: 0; background: var(--bg-secondary); }
#js-tool-container-heat-load-by-volume-calculator .tbcalc-legend { padding: 0 6px; font-weight: 600; font-size: 0.93rem; color: var(--text-secondary); }
#js-tool-container-heat-load-by-volume-calculator .hv-fields { display: grid; grid-template-columns: 1fr; gap: 14px 18px; }
#js-tool-container-heat-load-by-volume-calculator .hv-field { display: flex; flex-direction: column; gap: 6px; margin: 0; cursor: default; }
#js-tool-container-heat-load-by-volume-calculator .hv-field .tb-label { cursor: inherit; }
#js-tool-container-heat-load-by-volume-calculator .tb-label { font-size: 0.86rem; font-weight: 600; color: var(--text-secondary); }
#js-tool-container-heat-load-by-volume-calculator .tb-input,
#js-tool-container-heat-load-by-volume-calculator .tb-select { width: 100%; box-sizing: border-box; min-height: 44px; padding: 10px 11px; font-family: inherit; font-size: 0.95rem; color: var(--text-primary); background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: var(--radius-sm); }
#js-tool-container-heat-load-by-volume-calculator .tb-input:focus-visible,
#js-tool-container-heat-load-by-volume-calculator .tb-select:focus-visible { outline: 3px solid var(--accent-primary); outline-offset: 1px; }
#js-tool-container-heat-load-by-volume-calculator .tbcalc-hint { font-size: 0.79rem; line-height: 1.35; color: var(--text-muted); }
#js-tool-container-heat-load-by-volume-calculator .tbcalc-error { font-size: 0.79rem; line-height: 1.35; color: var(--danger); }
#js-tool-container-heat-load-by-volume-calculator .hv-outcome { gap: 20px; }
#js-tool-container-heat-load-by-volume-calculator .hv-outcome > .tbcalc-section-title,
#js-tool-container-heat-load-by-volume-calculator .hv-outcome > .tbcalc-section-note { margin: 0; }
#js-tool-container-heat-load-by-volume-calculator .hv-cap { display: block; font-size: 0.8rem; font-weight: 650; color: var(--text-secondary); padding-bottom: 8px; border-bottom: 1px dotted var(--border-color); }
#js-tool-container-heat-load-by-volume-calculator .tbcalc-status { margin: 0; padding: 12px 14px; border: 1px solid var(--border-color); border-left: 4px solid var(--accent-primary); border-radius: var(--radius-sm); font-size: 0.9rem; line-height: 1.4; color: var(--text-secondary); background: var(--bg-secondary); }
#js-tool-container-heat-load-by-volume-calculator .tbcalc-status:empty { display: none; }
#js-tool-container-heat-load-by-volume-calculator .hv-tone-error .hv-cover { border-color: var(--danger); }
#js-tool-container-heat-load-by-volume-calculator .hv-tone-warn .hv-cover { border-color: var(--warning); }
#js-tool-container-heat-load-by-volume-calculator .tbcalc-status.warn { border-left-color: var(--warning); background: var(--warning-light); color: var(--text-primary); }
#js-tool-container-heat-load-by-volume-calculator .tbcalc-status.error { border-left-color: var(--danger); background: var(--danger-light); color: var(--text-primary); }
#js-tool-container-heat-load-by-volume-calculator .hv-quote { display: grid; grid-template-columns: 1fr; gap: 16px 22px; align-items: start; }
#js-tool-container-heat-load-by-volume-calculator .hv-hero { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; min-width: 0; }
#js-tool-container-heat-load-by-volume-calculator .hv-hero-label { font-size: 0.84rem; color: var(--text-muted); }
#js-tool-container-heat-load-by-volume-calculator .hv-hero-value { font-size: clamp(2.5rem, 8vw, 3.5rem); font-weight: 700; line-height: 1; letter-spacing: -0.025em; color: var(--text-primary); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
#js-tool-container-heat-load-by-volume-calculator .hv-hero-note { margin: 0; font-size: 0.82rem; line-height: 1.45; color: var(--text-secondary); }
#js-tool-container-heat-load-by-volume-calculator .hv-cover { display: flex; flex-direction: column; gap: 12px; min-width: 0; padding: 14px 16px 15px; border: 1px solid var(--border-color); border-radius: var(--radius-md); background: var(--bg-secondary); }
#js-tool-container-heat-load-by-volume-calculator .hv-cover-rows { display: flex; flex-direction: column; gap: 7px; }
#js-tool-container-heat-load-by-volume-calculator .hv-cover-row { display: grid; grid-template-columns: 54px minmax(0, 1fr) minmax(64px, auto); align-items: center; gap: 10px; font-size: 0.79rem; }
#js-tool-container-heat-load-by-volume-calculator .hv-cover-key { color: var(--text-muted); }
#js-tool-container-heat-load-by-volume-calculator .hv-cover-track { position: relative; display: block; height: 10px; border-radius: 999px; background: var(--bg-primary); border: 1px solid var(--border-color); overflow: hidden; }
#js-tool-container-heat-load-by-volume-calculator .hv-cover-fill { position: absolute; top: 0; bottom: 0; left: 0; width: 0; border-radius: 999px; background: var(--accent-primary); transition: width 160ms ease-out; }
#js-tool-container-heat-load-by-volume-calculator .hv-cover-need { background: var(--text-secondary); opacity: 0.55; }
#js-tool-container-heat-load-by-volume-calculator .hv-cover-num { font-size: 0.85rem; font-weight: 650; text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
#js-tool-container-heat-load-by-volume-calculator .hv-quote-metrics { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 10px; align-items: baseline; padding-top: 11px; border-top: 1px solid var(--border-color); }
#js-tool-container-heat-load-by-volume-calculator .hv-quote-metric { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
#js-tool-container-heat-load-by-volume-calculator .hv-quote-metric span { font-size: 0.72rem; color: var(--text-muted); }
#js-tool-container-heat-load-by-volume-calculator .hv-quote-metric b { font-size: 0.98rem; font-weight: 650; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
#js-tool-container-heat-load-by-volume-calculator .hv-quote-sep { width: 1px; height: 22px; background: var(--border-color); }
#js-tool-container-heat-load-by-volume-calculator .hv-explain { margin: 0; font-size: 0.88rem; line-height: 1.5; color: var(--text-secondary); }
#js-tool-container-heat-load-by-volume-calculator .hv-band { display: grid; grid-template-columns: 1fr; gap: 6px; }
#js-tool-container-heat-load-by-volume-calculator .hv-band-label { font-size: 0.76rem; color: var(--text-muted); }
#js-tool-container-heat-load-by-volume-calculator .hv-band-track { position: relative; height: 10px; border-radius: 999px; background: var(--bg-tertiary); }
#js-tool-container-heat-load-by-volume-calculator .hv-band-ok { position: absolute; top: 1px; bottom: 1px; border-radius: 999px; background: var(--success-light); border: 1px solid var(--success); }
#js-tool-container-heat-load-by-volume-calculator .hv-band-mark { position: absolute; top: -3px; bottom: -3px; width: 3px; margin-left: -1.5px; border-radius: 2px; background: var(--text-primary); }
#js-tool-container-heat-load-by-volume-calculator .hv-band-value { font-size: 0.8rem; line-height: 1.4; color: var(--text-secondary); }
#js-tool-container-heat-load-by-volume-calculator .hv-scene { display: flex; flex-direction: column; gap: 10px; padding: 14px 16px 12px; border: 1px solid var(--border-color); border-radius: var(--radius-md); background: var(--bg-secondary); }
#js-tool-container-heat-load-by-volume-calculator .hv-envelope { display: block; width: 100%; height: auto; }
#js-tool-container-heat-load-by-volume-calculator .hv-face { fill: var(--bg-primary); stroke: var(--text-secondary); stroke-width: 1.2; }
#js-tool-container-heat-load-by-volume-calculator .hv-face-top { fill: var(--bg-tertiary); }
#js-tool-container-heat-load-by-volume-calculator .hv-face-right { fill: var(--bg-secondary); }
#js-tool-container-heat-load-by-volume-calculator .hv-face-bottom { fill: none; stroke: var(--border-color); }
#js-tool-container-heat-load-by-volume-calculator .hv-window { fill: var(--accent-light); stroke: var(--accent-primary); stroke-width: 1.2; }
#js-tool-container-heat-load-by-volume-calculator .hv-window-cross { stroke: var(--accent-primary); stroke-width: 0.8; opacity: 0.7; }
#js-tool-container-heat-load-by-volume-calculator .hv-arrow { stroke: var(--danger); stroke-linecap: round; opacity: 0.8; }
#js-tool-container-heat-load-by-volume-calculator .hv-arrow-head { fill: var(--danger); opacity: 0.8; }
#js-tool-container-heat-load-by-volume-calculator .hv-arrow-warn, #js-tool-container-heat-load-by-volume-calculator .hv-arrow-head-warn { stroke: var(--warning); fill: var(--warning); opacity: 0.85; }
#js-tool-container-heat-load-by-volume-calculator .hv-arrow-ok, #js-tool-container-heat-load-by-volume-calculator .hv-arrow-head-ok { stroke: var(--success); fill: var(--success); opacity: 0.85; }
#js-tool-container-heat-load-by-volume-calculator .hv-arrow-lab { font-size: 10.5px; fill: var(--text-secondary); font-family: var(--font-sans); }
#js-tool-container-heat-load-by-volume-calculator .hv-room-lab { font-size: 10.5px; fill: var(--text-muted); }
#js-tool-container-heat-load-by-volume-calculator .hv-room-val { font-size: 15px; font-weight: 650; fill: var(--text-primary); }
#js-tool-container-heat-load-by-volume-calculator .hv-scene-note { margin: 0; font-size: 0.79rem; line-height: 1.45; color: var(--text-muted); }
#js-tool-container-heat-load-by-volume-calculator .hv-fig-sum { margin: 0; font-size: 0.79rem; color: var(--text-secondary); font-variant-numeric: tabular-nums; padding-top: 8px; border-top: 1px dotted var(--border-color); }
#js-tool-container-heat-load-by-volume-calculator .hv-fig-sum:empty { display: none; }
#js-tool-container-heat-load-by-volume-calculator .hv-ledger { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--border-color); }
#js-tool-container-heat-load-by-volume-calculator .hv-led { display: grid; grid-template-columns: minmax(140px, 1.6fr) minmax(70px, 0.7fr) minmax(70px, 0.7fr); gap: 12px; align-items: baseline; padding: 9px 2px; border-bottom: 1px dashed var(--border-color); }
#js-tool-container-heat-load-by-volume-calculator .hv-led-key { font-size: 0.86rem; }
#js-tool-container-heat-load-by-volume-calculator .hv-led-ratio { font-size: 0.84rem; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
#js-tool-container-heat-load-by-volume-calculator .hv-led-add { font-size: 0.86rem; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
#js-tool-container-heat-load-by-volume-calculator .hv-led-base .hv-led-add { color: var(--text-secondary); font-weight: 500; }
#js-tool-container-heat-load-by-volume-calculator .hv-led-sum { background: var(--bg-secondary); }
#js-tool-container-heat-load-by-volume-calculator .hv-led-sum .hv-led-key,
#js-tool-container-heat-load-by-volume-calculator .hv-led-sum .hv-led-add { font-weight: 700; }
#js-tool-container-heat-load-by-volume-calculator .hv-led-total { margin: 0; font-size: 0.82rem; color: var(--text-muted); }
#js-tool-container-heat-load-by-volume-calculator .hv-trace { margin: 0; padding: 0 0 0 20px; display: flex; flex-direction: column; gap: 8px; font-size: 0.87rem; line-height: 1.5; color: var(--text-secondary); }
#js-tool-container-heat-load-by-volume-calculator .hv-band { display: grid; grid-template-columns: 1fr; gap: 8px; padding: 14px 16px; border: 1px solid var(--border-color); border-radius: var(--radius-md); background: var(--bg-secondary); }
#js-tool-container-heat-load-by-volume-calculator .hv-band-label { font-size: 0.79rem; color: var(--text-muted); }
#js-tool-container-heat-load-by-volume-calculator .hv-band-track { position: relative; height: 12px; border-radius: 999px; background: var(--bg-tertiary); }
#js-tool-container-heat-load-by-volume-calculator .hv-band-ok { position: absolute; top: 0; bottom: 0; border-radius: 999px; background: var(--success-light); }
#js-tool-container-heat-load-by-volume-calculator .hv-band-mark { position: absolute; top: -5px; bottom: -5px; width: 4px; border-radius: 2px; background: var(--accent-primary); }
#js-tool-container-heat-load-by-volume-calculator .hv-band-value { font-size: 0.84rem; font-variant-numeric: tabular-nums; color: var(--text-secondary); }
#js-tool-container-heat-load-by-volume-calculator .hv-spec { display: flex; flex-direction: column; gap: 0; margin: 0; padding: 0; list-style: none; }
#js-tool-container-heat-load-by-volume-calculator .hv-spec-item { display: flex; justify-content: space-between; align-items: baseline; gap: 14px; padding: 6px 0; border-bottom: 1px dashed var(--border-color); }
#js-tool-container-heat-load-by-volume-calculator .hv-spec-item span { font-size: 0.82rem; color: var(--text-muted); }
#js-tool-container-heat-load-by-volume-calculator .hv-spec-item b { font-size: 0.85rem; font-weight: 600; font-variant-numeric: tabular-nums; text-align: right; }
#js-tool-container-heat-load-by-volume-calculator .hv-source { margin: 0; font-size: 0.78rem; line-height: 1.45; color: var(--text-muted); }
@media (min-width: 760px) {
  #js-tool-container-heat-load-by-volume-calculator .hv-fields { grid-template-columns: repeat(3, 1fr); }
  #js-tool-container-heat-load-by-volume-calculator .hv-quote { grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr); }
}
@media (max-width: 600px) {
  #js-tool-container-heat-load-by-volume-calculator .hv-cover-row { grid-template-columns: 46px minmax(0, 1fr) minmax(58px, auto); }
  #js-tool-container-heat-load-by-volume-calculator .hv-quote-metrics { grid-template-columns: 1fr; }
  #js-tool-container-heat-load-by-volume-calculator .hv-quote-sep { display: none; }
  #js-tool-container-heat-load-by-volume-calculator .hv-cover,
  #js-tool-container-heat-load-by-volume-calculator .hv-scene { padding: 13px 13px 12px; }
  #js-tool-container-heat-load-by-volume-calculator .hv-led { grid-template-columns: 1fr auto; }
  #js-tool-container-heat-load-by-volume-calculator .hv-led-ratio { grid-column: 1 / -1; }
}