#js-tool-container-grounding-spreading-resistance-calculator .gnd-app { --gnd-copper: #d78a4e; --gnd-copper-soft: rgba(215,138,78,0.16); display: flex; flex-direction: column; gap: 22px; color: var(--text-primary); font-family: var(--font-sans); }
#js-tool-container-grounding-spreading-resistance-calculator .tbcalc-fieldset { margin: 0 0 14px; padding: 14px 16px 16px; border: 1px solid var(--border-color); border-radius: var(--radius-md); }
#js-tool-container-grounding-spreading-resistance-calculator .tbcalc-fieldset:last-child { margin-bottom: 0; }
#js-tool-container-grounding-spreading-resistance-calculator .tbcalc-legend { padding: 0 6px; color: var(--text-secondary); font-size: 0.95rem; font-weight: 650; }
#js-tool-container-grounding-spreading-resistance-calculator .tbcalc-grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 20px; }
#js-tool-container-grounding-spreading-resistance-calculator .tbcalc-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
#js-tool-container-grounding-spreading-resistance-calculator .tbcalc-field label { color: var(--text-primary); font-size: 0.92rem; font-weight: 600; line-height: 1.3; }
#js-tool-container-grounding-spreading-resistance-calculator .tbcalc-field input { box-sizing: border-box; min-height: 44px; width: 100%; padding: 9px 12px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); background: var(--bg-secondary); color: var(--text-primary); font: inherit; }
#js-tool-container-grounding-spreading-resistance-calculator .tbcalc-field input:focus { border-color: var(--border-focus); }
#js-tool-container-grounding-spreading-resistance-calculator .tbcalc-hint { color: var(--text-muted); font-size: 0.8rem; line-height: 1.35; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-reference { display: flex; flex-direction: column; justify-content: center; min-height: 70px; padding: 12px 14px; border-left: 3px solid var(--gnd-copper); border-radius: var(--radius-sm); background: linear-gradient(135deg, var(--gnd-copper-soft), var(--bg-secondary)); }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-reference output { margin-top: 4px; color: var(--text-primary); font-family: var(--font-mono); font-size: 0.9rem; font-weight: 700; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-outcome-stage { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 22px; align-items: center; padding: 26px; overflow: hidden; border: 1px solid rgba(215,138,78,0.48); border-radius: 24px 24px 10px 24px; background: radial-gradient(circle at 96% 6%, rgba(215,138,78,0.22), transparent 34%), linear-gradient(145deg, var(--bg-secondary), var(--gnd-copper-soft)); box-shadow: 0 18px 48px rgba(104,63,33,0.14); }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-answer { min-height: 198px; display: flex; flex-direction: column; justify-content: center; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-eyebrow { color: var(--gnd-copper); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.14em; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-hero-row { display: flex; align-items: baseline; gap: 10px; margin: 8px 0 7px; min-width: 0; }
#js-tool-container-grounding-spreading-resistance-calculator .tbcalc-result-value { color: var(--text-primary); font-size: clamp(3rem, 8vw, 5.3rem); font-weight: 780; letter-spacing: -0.07em; line-height: 0.96; }
#js-tool-container-grounding-spreading-resistance-calculator .tbcalc-unit { color: var(--text-secondary); font-size: 1rem; font-weight: 700; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-hero-note { max-width: 38rem; margin: 0; color: var(--text-secondary); font-size: 0.93rem; line-height: 1.5; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-target-orbit { display: flex; flex-direction: column; align-items: center; gap: 10px; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-orbit-ring { display: grid; place-items: center; width: 178px; aspect-ratio: 1; padding: 10px; border-radius: 50%; background: conic-gradient(var(--gnd-copper) var(--gnd-progress, 30%), rgba(215,138,78,0.18) 0); box-shadow: 0 0 0 1px rgba(215,138,78,0.42), 0 0 34px rgba(215,138,78,0.2); transition: background 160ms ease-out; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-orbit-core { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 100%; height: 100%; border-radius: 50%; background: var(--bg-secondary); text-align: center; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-orbit-core span { color: var(--text-muted); font-size: 0.73rem; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-orbit-core output { margin-top: 4px; color: var(--text-primary); font-size: 1.15rem; font-weight: 800; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-orbit-caption { color: var(--text-secondary); font-size: 0.78rem; line-height: 1.35; text-align: center; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-orbit-caption output { color: var(--gnd-copper); font-size: 1rem; font-weight: 800; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-status { margin: 16px 0 0; border-radius: 14px; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-network-board { position: relative; min-height: 214px; margin-top: 16px; padding: 18px 20px 16px; overflow: hidden; border: 1px solid var(--border-color); border-radius: 18px; background: radial-gradient(circle at 24% 84%, rgba(215,138,78,0.17), transparent 30%), var(--bg-secondary); }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-network-top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; color: var(--text-secondary); font-size: 0.82rem; font-weight: 700; }
#js-tool-container-grounding-spreading-resistance-calculator #gnd-map-label { color: var(--gnd-copper); font-size: 0.77rem; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-ground-field { position: absolute; right: 16%; bottom: 22px; width: 180px; height: 100px; border: 1px solid rgba(215,138,78,0.28); border-radius: 50% 50% 0 0; transform: rotate(-7deg); opacity: 0.7; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-ground-field i { position: absolute; inset: 14px 18px; border: 1px solid rgba(215,138,78,0.25); border-radius: 50% 50% 0 0; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-ground-field i:nth-child(2) { inset: 29px 37px; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-ground-field i:nth-child(3) { inset: 44px 57px; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-rods { position: relative; z-index: 1; display: flex; align-items: flex-end; gap: 13px; min-height: 113px; margin: 10px 11% 0 8%; padding: 25px 20px 0; border-bottom: 4px solid var(--gnd-copper); }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-rod { display: block; width: 4px; height: 72px; flex: 0 0 4px; border-radius: 4px 4px 0 0; background: linear-gradient(var(--gnd-copper), #8b512e); box-shadow: 0 0 12px rgba(215,138,78,0.45); }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-strip { position: absolute; left: 8%; right: 8%; bottom: -4px; height: 4px; border-radius: 4px; background: var(--gnd-copper); }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-visual-alt { position: relative; z-index: 2; max-width: 29rem; margin: 11px 0 0; color: var(--text-muted); font-size: 0.75rem; line-height: 1.4; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-branch-ledger { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 14px; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-branch { display: grid; grid-template-columns: 4px minmax(0, 1fr); gap: 10px; min-width: 0; padding: 14px 13px; border-right: 1px solid var(--border-color); }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-branch:last-child { border-right: 0; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-branch-line { width: 4px; min-height: 48px; border-radius: 4px; background: var(--gnd-copper); }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-branch-horizontal .gnd-branch-line { background: var(--accent-primary); }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-branch-recommend .gnd-branch-line { background: var(--success); }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-branch div { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-branch span { color: var(--text-muted); font-size: 0.74rem; line-height: 1.3; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-branch output { color: var(--text-primary); font-size: 1rem; font-weight: 750; overflow-wrap: anywhere; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-branch small { color: var(--text-muted); font-size: 0.69rem; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-equation { display: grid; grid-template-columns: 32px minmax(0, 1fr) auto; align-items: center; gap: 12px; margin: 12px 0; padding: 15px 17px; border: 1px solid var(--border-color); border-left: 4px solid var(--gnd-copper); border-radius: 13px; background: linear-gradient(90deg, var(--bg-secondary), var(--gnd-copper-soft)); }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-equation-index { color: var(--gnd-copper); font-size: 0.76rem; font-weight: 800; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-equation .tb-formula-main { color: var(--text-primary); font-family: var(--font-mono); font-size: 0.96rem; }
#js-tool-container-grounding-spreading-resistance-calculator .gnd-equation > span:last-child { color: var(--text-muted); font-size: 0.74rem; }
#js-tool-container-grounding-spreading-resistance-calculator #gnd-interpretation { margin: 16px 0 0; color: var(--text-secondary); line-height: 1.55; }
@media (max-width: 780px) { #js-tool-container-grounding-spreading-resistance-calculator .tbcalc-grid-2, #js-tool-container-grounding-spreading-resistance-calculator .gnd-outcome-stage { grid-template-columns: 1fr; } #js-tool-container-grounding-spreading-resistance-calculator .gnd-outcome-stage { padding: 20px; } #js-tool-container-grounding-spreading-resistance-calculator .gnd-answer { min-height: 0; } #js-tool-container-grounding-spreading-resistance-calculator .gnd-target-orbit { flex-direction: row; justify-content: flex-start; } #js-tool-container-grounding-spreading-resistance-calculator .gnd-orbit-ring { width: 140px; } #js-tool-container-grounding-spreading-resistance-calculator .gnd-branch-ledger { grid-template-columns: repeat(2, minmax(0, 1fr)); } #js-tool-container-grounding-spreading-resistance-calculator .gnd-branch:nth-child(2) { border-right: 0; } }
@media (max-width: 460px) { #js-tool-container-grounding-spreading-resistance-calculator .gnd-branch-ledger { grid-template-columns: 1fr; } #js-tool-container-grounding-spreading-resistance-calculator .gnd-branch { border-right: 0; border-bottom: 1px solid var(--border-color); } #js-tool-container-grounding-spreading-resistance-calculator .gnd-branch:last-child { border-bottom: 0; } #js-tool-container-grounding-spreading-resistance-calculator .gnd-network-board { padding: 16px 13px 14px; } #js-tool-container-grounding-spreading-resistance-calculator .gnd-rods { gap: 8px; margin-left: 3%; margin-right: 3%; padding-left: 12px; padding-right: 12px; } #js-tool-container-grounding-spreading-resistance-calculator .gnd-equation { grid-template-columns: 28px minmax(0, 1fr); } #js-tool-container-grounding-spreading-resistance-calculator .gnd-equation > span:last-child { grid-column: 2; } }