.br-ring-spot-calculator{--rsc-red:#c51f2a;--rsc-navy:#202a34;--rsc-muted:#707780;--rsc-line:#e0e3e6;color:var(--br-text);padding:4px 0}.br-rsc-head{display:flex;justify-content:space-between;gap:28px;align-items:flex-start;margin-bottom:24px}.br-rsc-head h2{margin:.2rem 0 .55rem;color:var(--br-navy);font-size:clamp(1.55rem,2.6vw,2.2rem)}.br-rsc-head p:last-child{max-width:850px;color:var(--br-muted);margin:0}.br-rsc-status{white-space:nowrap;border-radius:999px;padding:8px 13px;background:#edf7f0;color:#26703f;font-weight:700;font-size:.82rem;border:1px solid #cee8d5}.br-rsc-status.is-error{background:#fff0f0;color:#a4222b;border-color:#f0c8cc}.br-rsc-controls{display:grid;grid-template-columns:repeat(6,minmax(120px,1fr));gap:12px;padding:18px;border:1px solid var(--br-line);background:#f7f8fa;border-radius:14px}.br-rsc-controls label span{display:block;color:var(--br-muted);font-size:.78rem;font-weight:700;margin:0 0 6px}.br-rsc-controls input{width:100%;min-height:44px;border:1px solid #ccd1d5;border-radius:8px;background:#fff;padding:9px 10px;color:var(--br-text);font:inherit}.br-rsc-controls input:focus{outline:2px solid rgba(197,31,42,.18);border-color:var(--br-red)}.br-rsc-viewbar{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;margin:20px 0 10px}.br-rsc-legend,.br-rsc-toggles{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:.82rem;color:var(--br-muted)}.br-rsc-legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px}.br-rsc-legend .is-board{background:var(--br-navy)}.br-rsc-legend .is-led{background:var(--br-red)}.br-rsc-legend .is-pivot{background:#d38b29}.br-rsc-legend .is-axis{background:#747c84}.br-rsc-toggles{background:#f7f8fa;border:1px solid var(--br-line);border-radius:10px;padding:8px 12px}.br-rsc-toggles label{display:flex;align-items:center;gap:6px;cursor:pointer}.br-rsc-graphic-wrap{border:1px solid var(--br-line);border-radius:16px;background:#fff;overflow:hidden;padding:8px}.br-rsc-svg{display:block;width:100%;min-height:480px}.br-rsc-stage{fill:#f7f8fa}.br-rsc-center-axis{stroke:#99a0a7;stroke-width:2.5;stroke-dasharray:10 9}.br-rsc-axis-caption,.br-rsc-distance-label{fill:#707780;font-size:18px;font-weight:600}.br-rsc-work-plane{stroke:#202a34;stroke-width:5}.br-rsc-work-label{fill:#202a34;font-size:19px;font-weight:700}.br-rsc-distance-line{stroke:#707780;stroke-width:2}.br-rsc-spot-line{stroke:#c51f2a;stroke-width:3}.br-rsc-spot-label{fill:#202a34;font-size:23px;font-weight:800}.br-rsc-board-line{fill:none;stroke:#202a34;stroke-width:11;stroke-linecap:round;stroke-linejoin:round}.br-rsc-cone{fill:var(--rsc-color);fill-opacity:.10;stroke:var(--rsc-color);stroke-width:2.5}.br-rsc-ray{stroke:var(--rsc-color);stroke-width:2;stroke-dasharray:9 7}.br-rsc-led{fill:var(--rsc-color);stroke:#fff;stroke-width:3}.br-rsc-row-label rect{fill:#fff;stroke:var(--rsc-color);stroke-width:1.5}.br-rsc-row-label text{fill:var(--rsc-color);font-size:16px;font-weight:800}.br-rsc-pivot{fill:none;stroke:#d38b29;stroke-width:4}.br-rsc-pivot-label rect{fill:#fff;stroke:#d38b29;stroke-width:1.5}.br-rsc-pivot-label text{fill:#9b661c;font-size:16px;font-weight:800}.br-rsc-axis-cross{fill:#955e7b;stroke:#fff;stroke-width:3}.br-rsc-axis-cross-rule{stroke:#955e7b;stroke-width:2}.br-rsc-axis-cross-text{fill:#7f4566;font-size:16px;font-weight:800}.br-rsc-results{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin:16px 0 24px}.br-rsc-results>div{border:1px solid var(--br-line);border-radius:12px;background:#fff;padding:13px}.br-rsc-results span{display:block;color:var(--br-muted);font-size:.75rem;line-height:1.25;min-height:2.2em}.br-rsc-results strong{display:block;color:var(--br-navy);font-size:1.08rem;margin-top:5px}.br-rsc-table-wrap{margin-top:8px}.br-rsc-table{width:100%;border-collapse:collapse}.br-rsc-table th,.br-rsc-table td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--br-line);white-space:nowrap}.br-rsc-table th{background:#f7f8fa;color:var(--br-muted);font-size:.78rem;position:sticky;top:0}.br-rsc-table td small{color:var(--br-muted)}.br-rsc-note{margin:18px 0 0;padding:14px 16px;border-left:3px solid var(--br-red);background:#fafafa;color:var(--br-muted);font-size:.88rem;line-height:1.55}.br-rsc-note strong{color:var(--br-text)}
@media(max-width:1050px){.br-rsc-controls{grid-template-columns:repeat(3,1fr)}.br-rsc-results{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.br-rsc-head{display:block}.br-rsc-status{display:inline-block;margin-top:12px}.br-rsc-controls{grid-template-columns:1fr 1fr;padding:14px}.br-rsc-results{grid-template-columns:1fr 1fr}.br-rsc-svg{min-height:360px}.br-rsc-graphic-wrap{overflow-x:auto}.br-rsc-graphic-wrap svg{min-width:760px}.br-rsc-viewbar{align-items:flex-start}.br-rsc-toggles{width:100%}}
@media(max-width:460px){.br-rsc-controls,.br-rsc-results{grid-template-columns:1fr}}