#js-tool-container-timber-beam-volume-calculator { --tb-vol-wood: #7d5a35; --tb-vol-wood-soft: rgba(125,90,53,.13); --tb-vol-down: #b57c17; --tb-vol-up: #18996b; --tb-vol-hero-min: 128px; }
html[data-theme="dark"] #js-tool-container-timber-beam-volume-calculator { --tb-vol-wood: #c39a63; --tb-vol-wood-soft: rgba(195,154,99,.16); --tb-vol-down: #d99a3d; --tb-vol-up: #3fae7f; }
#js-tool-container-timber-beam-volume-calculator .tb-zone { display: flex; flex-direction: column; gap: 14px; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-fieldset { border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 14px 16px 16px; margin: 0; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-fieldset + .tb-vol-fieldset { margin-top: 14px; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-legend { padding: 0 6px; font-size: 0.92rem; font-weight: 600; color: var(--text-secondary); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px 20px; }
#js-tool-container-timber-beam-volume-calculator .tb-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
#js-tool-container-timber-beam-volume-calculator .tb-field label { font-size: 0.92rem; font-weight: 500; color: var(--text-primary); }
#js-tool-container-timber-beam-volume-calculator .tb-field input { height: 44px; padding: 0 12px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); background: var(--bg-secondary); color: var(--text-primary); font-size: 16px; width: 100%; font-variant-numeric: tabular-nums; }
#js-tool-container-timber-beam-volume-calculator .tb-field input:focus { outline: none; border-color: var(--border-focus); box-shadow: 0 0 0 3px var(--accent-light); }
#js-tool-container-timber-beam-volume-calculator .tb-hint { font-size: 0.82rem; line-height: 1.35; color: var(--text-muted); }
#js-tool-container-timber-beam-volume-calculator .tb-hero { border: 1px solid var(--border-color); border-left: 4px solid var(--tb-vol-wood); border-radius: var(--radius-md); background: var(--tb-vol-wood-soft); padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; min-height: var(--tb-vol-hero-min); }
#js-tool-container-timber-beam-volume-calculator .tb-hero-label { font-size: 0.88rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em; }
#js-tool-container-timber-beam-volume-calculator .tb-hero-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
#js-tool-container-timber-beam-volume-calculator .tb-hero-value { font-size: clamp(2.1rem, 5.4vw, 3.1rem); font-weight: 700; line-height: 1.04; font-variant-numeric: tabular-nums; color: var(--text-primary); }
#js-tool-container-timber-beam-volume-calculator .tb-unit { font-size: 1.05rem; color: var(--text-secondary); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-hero-alt { font-size: 0.95rem; color: var(--text-secondary); border-left: 1px solid var(--border-color); padding-left: 10px; font-variant-numeric: tabular-nums; }
#js-tool-container-timber-beam-volume-calculator .tb-hero-note { margin: 0; font-size: 0.86rem; line-height: 1.45; color: var(--text-secondary); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-status { border: 1px solid var(--border-color); border-left: 4px solid var(--accent-primary); border-radius: var(--radius-sm); padding: 10px 14px; font-size: 0.88rem; color: var(--text-secondary); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-status.tb-vol-warn { border-left-color: var(--warning); background: var(--warning-light); color: var(--text-primary); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-status.tb-vol-danger { border-left-color: var(--danger); background: var(--danger-light); color: var(--text-primary); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-caliper { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px 12px; border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 14px 16px; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-caliper-title, #js-tool-container-timber-beam-volume-calculator .tb-vol-caliper-track { grid-column: 1 / -1; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-caliper-title { display: block; font-size: 0.88rem; font-weight: 650; color: var(--text-primary); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-caliper-track { display: flex; width: 100%; height: 26px; border-radius: 6px; overflow: hidden; border: 1px solid var(--border-color); background: var(--bg-tertiary); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-caliper-down { display: block; height: 100%; width: 33%; background: repeating-linear-gradient(135deg, var(--tb-vol-down) 0 6px, transparent 6px 12px); transition: width 220ms ease-out; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-caliper-buy { display: block; height: 100%; width: 34%; background: var(--accent-primary); transition: width 220ms ease-out; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-caliper-up { display: block; height: 100%; width: 33%; background: repeating-linear-gradient(135deg, var(--tb-vol-up) 0 6px, transparent 6px 12px); transition: width 220ms ease-out; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-mark { font-size: 0.82rem; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
#js-tool-container-timber-beam-volume-calculator .tb-ledger { display: flex; flex-direction: column; gap: 8px; }
#js-tool-container-timber-beam-volume-calculator .tb-ledger-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 9px 14px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); background: var(--bg-secondary); font-size: 0.9rem; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-lkey { color: var(--text-secondary); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-lunit { color: var(--text-muted); font-size: 0.82rem; min-width: 2.4em; text-align: right; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-class-chip { align-self: flex-start; border: 1px solid var(--border-color); border-radius: 999px; background: var(--bg-secondary); padding: 6px 14px; font-size: 0.84rem; color: var(--text-secondary); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-lval { color: var(--text-primary); font-variant-numeric: tabular-nums; white-space: nowrap; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-findings { display: flex; flex-direction: column; gap: 10px; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-finding { border: 1px solid var(--border-color); border-left: 4px solid var(--border-color); border-radius: var(--radius-sm); padding: 11px 14px; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-finding-ok { border-left-color: var(--success); background: var(--success-light); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-finding-warn { border-left-color: var(--warning); background: var(--warning-light); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-finding-head { display: block; font-size: 0.9rem; font-weight: 650; color: var(--text-primary); margin-bottom: 3px; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-finding-text { display: block; margin: 0; font-size: 0.86rem; line-height: 1.45; color: var(--text-secondary); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-table-wrap { overflow-x: auto; border: 1px solid var(--border-color); border-radius: var(--radius-md); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-table { width: 100%; border-collapse: collapse; font-size: 0.87rem; font-variant-numeric: tabular-nums; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-table caption { text-align: left; padding: 10px 14px; font-size: 0.84rem; color: var(--text-muted); caption-side: top; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-table th, #js-tool-container-timber-beam-volume-calculator .tb-vol-table td { padding: 8px 14px; text-align: right; border-top: 1px solid var(--border-color); white-space: nowrap; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-table th { color: var(--text-secondary); font-weight: 600; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-table th:first-child, #js-tool-container-timber-beam-volume-calculator .tb-vol-table td:first-child { text-align: left; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-table tbody tr.tb-vol-row-active { background: var(--accent-light); }
#js-tool-container-timber-beam-volume-calculator .tb-vol-table tbody tr.tb-vol-row-active td { color: var(--text-primary); font-weight: 600; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-empty { padding: 12px 14px; font-size: 0.87rem; color: var(--text-muted); border: 1px dashed var(--border-color); border-radius: var(--radius-sm); }
@media (max-width: 900px) {
#js-tool-container-timber-beam-volume-calculator .tb-vol-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
#js-tool-container-timber-beam-volume-calculator .tb-vol-grid { grid-template-columns: 1fr; }
#js-tool-container-timber-beam-volume-calculator .tb-hero { padding: 16px; }
#js-tool-container-timber-beam-volume-calculator .tb-vol-mark { display: block; }
#js-tool-container-timber-beam-volume-calculator .tb-ledger-row { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
#js-tool-container-timber-beam-volume-calculator .tb-vol-caliper-down, #js-tool-container-timber-beam-volume-calculator .tb-vol-caliper-buy, #js-tool-container-timber-beam-volume-calculator .tb-vol-caliper-up { transition: none; }
}