#js-tool-container-valtec-floor-heating-calculator .vfh-app { --vfh-warm: #d97706; --vfh-ok: #16a34a; display: flex; flex-direction: column; gap: 22px; color: var(--text-primary); }
html[data-theme="dark"] #js-tool-container-valtec-floor-heating-calculator .vfh-app { --vfh-warm: #f59e0b; --vfh-ok: #4ade80; }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-fieldset { border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 16px 18px 18px; margin: 0 0 14px; }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-legend { padding: 0 6px; font-weight: 600; font-size: 0.95rem; color: var(--text-secondary); }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-field { display: flex; flex-direction: column; gap: 6px; }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-hint { font-size: 0.82rem; line-height: 1.35; color: var(--text-muted); }
#js-tool-container-valtec-floor-heating-calculator .vfh-outcome { display: flex; flex-direction: column; gap: 18px; }
#js-tool-container-valtec-floor-heating-calculator .vfh-hero { border: 1px solid var(--border-color); border-left: 4px solid var(--vfh-warm); border-radius: var(--radius-md); background: var(--bg-tertiary); padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; min-height: 148px; }
#js-tool-container-valtec-floor-heating-calculator .vfh-hero-label { font-size: 0.9rem; color: var(--text-secondary); }
#js-tool-container-valtec-floor-heating-calculator .vfh-hero-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
#js-tool-container-valtec-floor-heating-calculator .vfh-hero-value { font-size: clamp(2rem, 6vw, 3.1rem); font-weight: 700; line-height: 1.05; color: var(--text-primary); }
#js-tool-container-valtec-floor-heating-calculator .vfh-hero-sub { font-size: 1rem; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
#js-tool-container-valtec-floor-heating-calculator .vfh-q-value { font-weight: 700; color: var(--vfh-warm); }
#js-tool-container-valtec-floor-heating-calculator .vfh-hero-note { margin: 0; font-size: 0.86rem; line-height: 1.4; color: var(--text-secondary); }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-unit { font-size: 1rem; color: var(--text-secondary); }
#js-tool-container-valtec-floor-heating-calculator .vfh-surf { display: flex; flex-direction: column; gap: 6px; }
#js-tool-container-valtec-floor-heating-calculator .vfh-surf-label { font-size: 0.84rem; color: var(--text-secondary); }
#js-tool-container-valtec-floor-heating-calculator .vfh-surf-scale { border: 1px solid var(--border-color); border-radius: var(--radius-sm); padding: 12px 14px 8px; display: flex; flex-direction: column; gap: 4px; }
#js-tool-container-valtec-floor-heating-calculator .vfh-surf-rail { position: relative; height: 14px; border-radius: 999px; background: linear-gradient(90deg, #3b82f6, #eab308, #dc2626); }
#js-tool-container-valtec-floor-heating-calculator .vfh-surf-comfort { display: block; position: absolute; top: 0; left: 10%; height: 100%; width: 40%; background: var(--vfh-ok); opacity: 0.55; border-radius: 999px; }
#js-tool-container-valtec-floor-heating-calculator .vfh-surf-marker { display: block; position: absolute; top: -6px; width: 26px; height: 26px; border-radius: 50%; transform: translateX(-50%); background: var(--text-primary); border: 3px solid #ffffff; box-shadow: 0 1px 4px rgba(0,0,0,0.3); }
#js-tool-container-valtec-floor-heating-calculator .vfh-surf-ends { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-muted); }
#js-tool-container-valtec-floor-heating-calculator .vfh-surf-row { display: flex; align-items: baseline; gap: 8px; }
#js-tool-container-valtec-floor-heating-calculator .vfh-surf-value { font-size: 1.3rem; font-weight: 700; }
#js-tool-container-valtec-floor-heating-calculator .vfh-surf-limit { font-size: 0.82rem; color: var(--text-muted); }
#js-tool-container-valtec-floor-heating-calculator .vfh-metrics { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 720px) { #js-tool-container-valtec-floor-heating-calculator .vfh-metrics { grid-template-columns: repeat(3, 1fr); } }
#js-tool-container-valtec-floor-heating-calculator .vfh-metric { border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 12px 14px; display: flex; flex-direction: column; gap: 6px; min-height: 84px; }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-result-label { font-size: 0.83rem; color: var(--text-secondary); }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-result-row { display: flex; align-items: baseline; gap: 8px; }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-result-value { font-size: clamp(1.1rem, 3vw, 1.5rem); font-weight: 650; }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-status { border: 1px solid var(--border-color); border-left: 4px solid var(--accent-primary); border-radius: var(--radius-sm); padding: 10px 14px; font-size: 0.9rem; line-height: 1.4; color: var(--text-secondary); }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-status.warn { border-left-color: var(--warning); background: var(--warning-light); color: var(--text-primary); }
#js-tool-container-valtec-floor-heating-calculator .vfh-details { display: flex; flex-direction: column; gap: 12px; }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-table-wrap { overflow-x: auto; border: 1px solid var(--border-color); border-radius: var(--radius-md); }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; font-variant-numeric: tabular-nums; }
#js-tool-container-valtec-floor-heating-calculator .vfh-table-caption { caption-side: top; text-align: left; padding: 10px 14px; font-size: 0.84rem; color: var(--text-secondary); }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-table th, #js-tool-container-valtec-floor-heating-calculator .tbcalc-table td { padding: 8px 14px; text-align: left; border-top: 1px solid var(--border-color); }
#js-tool-container-valtec-floor-heating-calculator .tbcalc-table td:nth-child(2), #js-tool-container-valtec-floor-heating-calculator .tbcalc-table th:nth-child(2) { text-align: right; }
#js-tool-container-valtec-floor-heating-calculator .vfh-limits { margin: 0; font-size: 0.84rem; line-height: 1.45; color: var(--text-muted); }
@media (max-width: 600px) { #js-tool-container-valtec-floor-heating-calculator .tbcalc-grid-2 { grid-template-columns: 1fr; } }