#js-tool-container-shps-road-base-calculator {
  --sh-base: #5c6148;
  --sh-loose: #9aa07a;
  --sh-soil: #8a8178;
}
html[data-theme="dark"] #js-tool-container-shps-road-base-calculator {
  --sh-base: #b7c4a1;
  --sh-loose: #8a9a6a;
  --sh-soil: #6b6560;
}
#js-tool-container-shps-road-base-calculator .tb-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
#js-tool-container-shps-road-base-calculator .tb-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px 20px; }
#js-tool-container-shps-road-base-calculator .tb-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
#js-tool-container-shps-road-base-calculator .tb-hint { font-size: 0.82rem; line-height: 1.35; color: var(--text-muted); }
#js-tool-container-shps-road-base-calculator .tb-fieldset { border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 16px 18px 18px; margin: 0 0 14px; }
#js-tool-container-shps-road-base-calculator .tb-fieldset:last-of-type { margin-bottom: 0; }
#js-tool-container-shps-road-base-calculator .tb-legend { padding: 0 6px; font-weight: 600; font-size: 0.95rem; color: var(--text-secondary); }
#js-tool-container-shps-road-base-calculator .tb-zone[data-tb-zone="outcome"] { display: flex; flex-direction: column; gap: 18px; width: 100%; }
#js-tool-container-shps-road-base-calculator .tb-hero { border: 1px solid var(--border-color); border-left: 4px solid var(--sh-base); border-radius: var(--radius-md); background: var(--accent-light); padding: 16px 18px; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 12px 28px; align-items: end; }
#js-tool-container-shps-road-base-calculator .tb-hero-label { font-size: 0.88rem; color: var(--text-secondary); }
#js-tool-container-shps-road-base-calculator .tb-hero-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; min-width: 0; }
#js-tool-container-shps-road-base-calculator .tb-hero-value { font-size: clamp(1.6rem, 4.2vw, 2.5rem); font-weight: 700; line-height: 1.08; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
#js-tool-container-shps-road-base-calculator .tb-unit { font-size: 1rem; color: var(--text-secondary); }
#js-tool-container-shps-road-base-calculator .tb-hero-note { margin: 0; grid-column: 1 / -1; font-size: 0.86rem; color: var(--text-secondary); line-height: 1.4; }
#js-tool-container-shps-road-base-calculator .tb-sh-hero-vol { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
#js-tool-container-shps-road-base-calculator .tb-sh-hero-vol .tb-v { font-size: 1.2rem; font-weight: 650; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
#js-tool-container-shps-road-base-calculator .tb-k { font-size: 0.8rem; color: var(--text-muted); }
#js-tool-container-shps-road-base-calculator .tb-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; color: var(--text-secondary); line-height: 1.4; }
#js-tool-container-shps-road-base-calculator .tb-status.warn { border-left-color: var(--warning); background: var(--warning-light); color: var(--text-primary); }
#js-tool-container-shps-road-base-calculator .tb-status.danger { border-left-color: var(--danger); background: var(--danger-light); color: var(--text-primary); }
#js-tool-container-shps-road-base-calculator .tb-sh-stamp { display: flex; flex-direction: column; border: 2px solid var(--border-color); outline: 1px solid var(--border-color); outline-offset: -5px; border-radius: 2px; overflow: hidden; }
#js-tool-container-shps-road-base-calculator .tb-sh-stamp-head { display: flex; justify-content: space-between; gap: 12px; padding: 8px 16px; border-bottom: 1px solid var(--border-color); letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.72rem; }
#js-tool-container-shps-road-base-calculator .tb-sh-stamp-row { display: grid; grid-template-columns: minmax(8rem, 0.38fr) minmax(0, 1fr); gap: 12px; padding: 8px 16px; border-top: 1px solid var(--border-color); font-variant-numeric: tabular-nums; }
#js-tool-container-shps-road-base-calculator .tb-sh-stamp-row:first-of-type { border-top: none; }
#js-tool-container-shps-road-base-calculator .tb-sh-stamp-row .tb-v { overflow-wrap: anywhere; }
#js-tool-container-shps-road-base-calculator .tb-canvas-wrap { position: relative; width: 100%; min-height: 132px; aspect-ratio: 3.4 / 1; max-height: 176px; border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; contain: layout; background: var(--bg-tertiary); }
#js-tool-container-shps-road-base-calculator .tb-canvas-wrap canvas { display: block; width: 100%; height: 100%; }
#js-tool-container-shps-road-base-calculator .tb-canvas-desc { margin: 0; font-size: 0.84rem; color: var(--text-muted); }
@media (max-width: 640px) {
  #js-tool-container-shps-road-base-calculator .tb-grid-2,
  #js-tool-container-shps-road-base-calculator .tb-grid-3 { grid-template-columns: 1fr; }
  #js-tool-container-shps-road-base-calculator .tb-hero { grid-template-columns: 1fr; }
  #js-tool-container-shps-road-base-calculator .tb-sh-stamp-row { grid-template-columns: 1fr; gap: 4px; }
  #js-tool-container-shps-road-base-calculator .tb-canvas-wrap { aspect-ratio: 2.4 / 1; min-height: 120px; max-height: 160px; }
}