#js-tool-container-roof-batten-boards-calculator .rbc-app { --rbc-wood: #b07a3e; --rbc-wood-soft: #d9b98a; display: flex; flex-direction: column; gap: 22px; color: var(--text-primary); }
html[data-theme="dark"] #js-tool-container-roof-batten-boards-calculator .rbc-app { --rbc-wood: #c98f4f; --rbc-wood-soft: #7a5a34; }
#js-tool-container-roof-batten-boards-calculator .rbc-controls, #js-tool-container-roof-batten-boards-calculator .rbc-outcome, #js-tool-container-roof-batten-boards-calculator .rbc-preview, #js-tool-container-roof-batten-boards-calculator .rbc-details { display: flex; flex-direction: column; gap: 14px; }
#js-tool-container-roof-batten-boards-calculator .rbc-fieldset { border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 14px 16px 16px; margin: 0; }
#js-tool-container-roof-batten-boards-calculator .rbc-fieldset + .rbc-fieldset { margin-top: 14px; }
#js-tool-container-roof-batten-boards-calculator .tbcalc-legend { padding: 0 6px; font-weight: 600; font-size: 0.95rem; color: var(--text-secondary); }
#js-tool-container-roof-batten-boards-calculator .tbcalc-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px 18px; }
#js-tool-container-roof-batten-boards-calculator .tbcalc-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
#js-tool-container-roof-batten-boards-calculator .tb-label { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
#js-tool-container-roof-batten-boards-calculator .tbcalc-hint { font-size: 0.8rem; line-height: 1.35; color: var(--text-muted); }
#js-tool-container-roof-batten-boards-calculator .tb-input, #js-tool-container-roof-batten-boards-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-roof-batten-boards-calculator .tb-input:focus, #js-tool-container-roof-batten-boards-calculator .tb-select:focus { border-color: var(--accent-primary); box-shadow: 0 0 0 3px var(--accent-light); outline: none; }
#js-tool-container-roof-batten-boards-calculator .rbc-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-roof-batten-boards-calculator .rbc-hero-label { font-size: 0.9rem; color: var(--text-secondary); }
#js-tool-container-roof-batten-boards-calculator .rbc-hero-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
#js-tool-container-roof-batten-boards-calculator .rbc-hero-value { font-size: clamp(1.9rem, 5vw, 2.9rem); font-weight: 700; line-height: 1.05; color: var(--text-primary); }
#js-tool-container-roof-batten-boards-calculator .rbc-hero-note { margin: 0; font-size: 0.86rem; line-height: 1.4; color: var(--text-secondary); }
#js-tool-container-roof-batten-boards-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-roof-batten-boards-calculator .tbcalc-status.warn { border-left-color: var(--warning); background: var(--warning-light); color: var(--text-primary); }
#js-tool-container-roof-batten-boards-calculator .tbcalc-status.danger { border-left-color: var(--danger); background: var(--danger-light); color: var(--text-primary); }
#js-tool-container-roof-batten-boards-calculator .rbc-ledger { display: flex; flex-direction: column; gap: 8px; }
#js-tool-container-roof-batten-boards-calculator .rbc-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-roof-batten-boards-calculator .rbc-ledger-sub { border-left: 3px solid var(--rbc-wood); }
#js-tool-container-roof-batten-boards-calculator .rbc-ledger-name { font-size: 0.88rem; color: var(--text-secondary); }
#js-tool-container-roof-batten-boards-calculator .rbc-ledger-val { font-size: 1rem; font-weight: 650; color: var(--text-primary); white-space: nowrap; }
#js-tool-container-roof-batten-boards-calculator .rbc-hidden { display: none; }
#js-tool-container-roof-batten-boards-calculator .rbc-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-roof-batten-boards-calculator .rbc-svg { display: block; width: 100%; height: auto; }
#js-tool-container-roof-batten-boards-calculator .rbc-canvas-desc { margin: 0; font-size: 0.84rem; line-height: 1.4; color: var(--text-muted); }
#js-tool-container-roof-batten-boards-calculator .tbcalc-table-wrap { overflow-x: auto; border: 1px solid var(--border-color); border-radius: var(--radius-md); }
#js-tool-container-roof-batten-boards-calculator .tbcalc-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
#js-tool-container-roof-batten-boards-calculator .rbc-table-caption { caption-side: top; text-align: left; padding: 10px 14px; font-size: 0.84rem; color: var(--text-secondary); }
#js-tool-container-roof-batten-boards-calculator .tbcalc-table th, #js-tool-container-roof-batten-boards-calculator .tbcalc-table td { padding: 8px 14px; text-align: left; border-top: 1px solid var(--border-color); }
#js-tool-container-roof-batten-boards-calculator .tbcalc-table td:last-child, #js-tool-container-roof-batten-boards-calculator .tbcalc-table th:last-child { text-align: right; white-space: nowrap; }
#js-tool-container-roof-batten-boards-calculator .tbcalc-table thead th { color: var(--text-secondary); font-weight: 600; border-top: 0; }
#js-tool-container-roof-batten-boards-calculator .rbc-limits { margin: 0; font-size: 0.84rem; line-height: 1.45; color: var(--text-muted); }
#js-tool-container-roof-batten-boards-calculator .rbc-svg-roof { fill: var(--accent-light); stroke: var(--accent-primary); stroke-width: 2; }
#js-tool-container-roof-batten-boards-calculator .rbc-svg-batten { stroke: var(--rbc-wood); stroke-width: 3; stroke-linecap: round; }
#js-tool-container-roof-batten-boards-calculator .rbc-svg-rafter { stroke: var(--text-muted); stroke-width: 1.5; stroke-dasharray: 6 4; }
#js-tool-container-roof-batten-boards-calculator .rbc-svg-dim { stroke: var(--text-secondary); stroke-width: 1; }
#js-tool-container-roof-batten-boards-calculator .rbc-svg-text { fill: var(--text-secondary); font-size: 13px; font-family: inherit; }
@media (max-width: 640px) {
  #js-tool-container-roof-batten-boards-calculator .tbcalc-grid-3 { grid-template-columns: 1fr; }
}