#js-tool-container-boards-count-by-area-calculator .bca-app { --bca-wood: #b07a3e; --bca-wood-soft: #d9b98a; display: flex; flex-direction: column; gap: 22px; color: var(--text-primary); }
html[data-theme="dark"] #js-tool-container-boards-count-by-area-calculator .bca-app { --bca-wood: #c98f4f; --bca-wood-soft: #7a5a34; }
#js-tool-container-boards-count-by-area-calculator .bca-controls, #js-tool-container-boards-count-by-area-calculator .bca-outcome, #js-tool-container-boards-count-by-area-calculator .bca-preview, #js-tool-container-boards-count-by-area-calculator .bca-details { display: flex; flex-direction: column; gap: 14px; }
#js-tool-container-boards-count-by-area-calculator .bca-fieldset { border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 14px 16px 16px; margin: 0; }
#js-tool-container-boards-count-by-area-calculator .bca-fieldset + .bca-fieldset { margin-top: 14px; }
#js-tool-container-boards-count-by-area-calculator .tbcalc-legend { padding: 0 6px; font-weight: 600; font-size: 0.95rem; color: var(--text-secondary); }
#js-tool-container-boards-count-by-area-calculator .tbcalc-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px 18px; }
#js-tool-container-boards-count-by-area-calculator .tbcalc-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
#js-tool-container-boards-count-by-area-calculator .tb-label { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
#js-tool-container-boards-count-by-area-calculator .tbcalc-hint { font-size: 0.8rem; line-height: 1.35; color: var(--text-muted); }
#js-tool-container-boards-count-by-area-calculator .tb-input, #js-tool-container-boards-count-by-area-calculator .tb-select { width: 100%; box-sizing: border-box; height: 44px; padding: 8px 12px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); background: var(--bg-secondary); color: var(--text-primary); font-family: inherit; font-size: 1rem; }
#js-tool-container-boards-count-by-area-calculator .tb-input:focus, #js-tool-container-boards-count-by-area-calculator .tb-select:focus { border-color: var(--accent-primary); box-shadow: 0 0 0 3px var(--accent-light); outline: none; }
#js-tool-container-boards-count-by-area-calculator .bca-hero { border: 1px solid var(--border-color); border-left: 4px solid var(--accent-primary); border-radius: var(--radius-md); background: var(--accent-light); padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; min-height: 128px; }
#js-tool-container-boards-count-by-area-calculator .bca-hero-label { font-size: 0.9rem; color: var(--text-secondary); }
#js-tool-container-boards-count-by-area-calculator .bca-hero-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
#js-tool-container-boards-count-by-area-calculator .bca-hero-value { font-size: clamp(1.9rem, 5vw, 2.9rem); font-weight: 700; line-height: 1.05; color: var(--text-primary); }
#js-tool-container-boards-count-by-area-calculator .bca-hero-note { margin: 0; font-size: 0.86rem; line-height: 1.4; color: var(--text-secondary); }
#js-tool-container-boards-count-by-area-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-boards-count-by-area-calculator .tbcalc-status.warn { border-left-color: var(--warning); background: var(--warning-light); color: var(--text-primary); }
#js-tool-container-boards-count-by-area-calculator .tbcalc-status.danger { border-left-color: var(--danger); background: var(--danger-light); color: var(--text-primary); }
#js-tool-container-boards-count-by-area-calculator .bca-ledger { display: flex; flex-direction: column; gap: 8px; }
#js-tool-container-boards-count-by-area-calculator .bca-ledger-row { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; padding: 10px 14px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); background: var(--bg-secondary); }
#js-tool-container-boards-count-by-area-calculator .bca-ledger-cost { border-left: 3px solid var(--success); }
#js-tool-container-boards-count-by-area-calculator .bca-ledger-name { font-size: 0.88rem; color: var(--text-secondary); }
#js-tool-container-boards-count-by-area-calculator .bca-ledger-val { font-size: 1rem; font-weight: 650; color: var(--text-primary); white-space: nowrap; }
#js-tool-container-boards-count-by-area-calculator .bca-canvas-wrap { width: 100%; border: 1px solid var(--border-color); border-radius: var(--radius-md); background: var(--bg-secondary); padding: 10px; box-sizing: border-box; }
#js-tool-container-boards-count-by-area-calculator .bca-svg { display: block; width: 100%; height: auto; }
#js-tool-container-boards-count-by-area-calculator .bca-canvas-desc { margin: 0; font-size: 0.84rem; line-height: 1.4; color: var(--text-muted); }
#js-tool-container-boards-count-by-area-calculator .tbcalc-table-wrap { overflow-x: auto; border: 1px solid var(--border-color); border-radius: var(--radius-md); }
#js-tool-container-boards-count-by-area-calculator .tbcalc-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
#js-tool-container-boards-count-by-area-calculator .bca-table-caption { caption-side: top; text-align: left; padding: 10px 14px; font-size: 0.84rem; color: var(--text-secondary); }
#js-tool-container-boards-count-by-area-calculator .tbcalc-table th, #js-tool-container-boards-count-by-area-calculator .tbcalc-table td { padding: 8px 14px; text-align: left; border-top: 1px solid var(--border-color); }
#js-tool-container-boards-count-by-area-calculator .tbcalc-table td:last-child, #js-tool-container-boards-count-by-area-calculator .tbcalc-table th:last-child { text-align: right; white-space: nowrap; }
#js-tool-container-boards-count-by-area-calculator .tbcalc-table thead th { color: var(--text-secondary); font-weight: 600; border-top: 0; }
#js-tool-container-boards-count-by-area-calculator .bca-limits { margin: 0; font-size: 0.84rem; line-height: 1.45; color: var(--text-muted); }
#js-tool-container-boards-count-by-area-calculator .bca-svg-area { fill: var(--accent-light); stroke: var(--accent-primary); stroke-width: 2; }
#js-tool-container-boards-count-by-area-calculator .bca-svg-board { fill: var(--bca-wood); }
#js-tool-container-boards-count-by-area-calculator .bca-svg-gap { fill: var(--bg-secondary); }
#js-tool-container-boards-count-by-area-calculator .bca-svg-scrap { fill: var(--danger); opacity: 0.45; }
#js-tool-container-boards-count-by-area-calculator .bca-svg-dim { stroke: var(--text-secondary); stroke-width: 1; }
#js-tool-container-boards-count-by-area-calculator .bca-svg-text { fill: var(--text-secondary); font-size: 13px; font-family: inherit; }
@media (max-width: 640px) {
  #js-tool-container-boards-count-by-area-calculator .tbcalc-grid-3 { grid-template-columns: 1fr; }
}