#js-tool-container-keramzit-floor-backfill-calculator .kbz-app { display: flex; flex-direction: column; gap: 20px; color: var(--text-primary); }
#js-tool-container-keramzit-floor-backfill-calculator .tbcalc-fieldset { border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 16px 18px 18px; margin: 0 0 14px; }
#js-tool-container-keramzit-floor-backfill-calculator .tbcalc-legend { padding: 0 6px; font-weight: 600; font-size: 0.95rem; color: var(--text-secondary); }
#js-tool-container-keramzit-floor-backfill-calculator .tbcalc-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
#js-tool-container-keramzit-floor-backfill-calculator .tbcalc-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px 20px; }
#js-tool-container-keramzit-floor-backfill-calculator .tbcalc-field { display: flex; flex-direction: column; gap: 6px; }
#js-tool-container-keramzit-floor-backfill-calculator .tb-hint { font-size: 0.82rem; line-height: 1.35; color: var(--text-muted); }
#js-tool-container-keramzit-floor-backfill-calculator .tb-hero { border: 1px solid var(--border-color); border-left: 4px solid var(--accent-primary); border-radius: var(--radius-md); background: var(--accent-light); padding: 14px 18px; min-height: 118px; display: flex; flex-direction: column; gap: 5px; }
#js-tool-container-keramzit-floor-backfill-calculator .tb-hero-label { font-size: 0.9rem; color: var(--text-secondary); }
#js-tool-container-keramzit-floor-backfill-calculator .tb-hero-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
#js-tool-container-keramzit-floor-backfill-calculator .tb-hero-val { font-size: clamp(1.9rem, 5vw, 2.9rem); font-weight: 700; line-height: 1.05; }
#js-tool-container-keramzit-floor-backfill-calculator .tb-unit { font-size: 1rem; color: var(--text-secondary); }
#js-tool-container-keramzit-floor-backfill-calculator .tb-hero-note { margin: 0; font-size: 0.86rem; line-height: 1.4; color: var(--text-secondary); }
#js-tool-container-keramzit-floor-backfill-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; line-height: 1.4; color: var(--text-secondary); }
#js-tool-container-keramzit-floor-backfill-calculator .tb-status.kbz-warn { border-left-color: var(--warning); background: var(--warning-light); color: var(--text-primary); }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill { border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill-head { display: flex; justify-content: space-between; gap: 12px; padding: 8px 14px; font-size: 0.84rem; color: var(--text-secondary); border-bottom: 1px solid var(--border-color); background: var(--bg-tertiary); }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 7px 14px; border-bottom: 1px solid var(--border-color); font-size: 0.93rem; }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill-row:last-child { border-bottom: 0; }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill-row-accent { background: var(--accent-light); }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill-name { color: var(--text-secondary); }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill-val { font-weight: 650; font-variant-numeric: tabular-nums; text-align: right; overflow-wrap: anywhere; }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill-sub { display: block; font-size: 0.78rem; font-weight: 400; color: var(--text-muted); }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill-row.tb-row-warn .tb-bill-val { color: var(--warning); }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill-formula { margin: 14px 0 0; font-size: 0.84rem; line-height: 1.45; color: var(--text-muted); }
#js-tool-container-keramzit-floor-backfill-calculator .kbz-table-wrap { overflow-x: auto; border: 1px solid var(--border-color); border-radius: var(--radius-md); }
#js-tool-container-keramzit-floor-backfill-calculator .kbz-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; font-variant-numeric: tabular-nums; }
#js-tool-container-keramzit-floor-backfill-calculator .kbz-table-caption { caption-side: top; text-align: left; padding: 10px 14px; font-size: 0.84rem; color: var(--text-secondary); border-bottom: 1px solid var(--border-color); }
#js-tool-container-keramzit-floor-backfill-calculator .kbz-table th, #js-tool-container-keramzit-floor-backfill-calculator .kbz-table td { padding: 8px 14px; text-align: right; border-top: 1px solid var(--border-color); }
#js-tool-container-keramzit-floor-backfill-calculator .kbz-table thead th { color: var(--text-secondary); font-weight: 600; border-top: 0; }
#js-tool-container-keramzit-floor-backfill-calculator .kbz-table th[scope="row"] { text-align: left; }
#js-tool-container-keramzit-floor-backfill-calculator .kbz-table tbody tr.tb-row-current td { background: var(--accent-light); }
#js-tool-container-keramzit-floor-backfill-calculator .kbz-limits { margin: 14px 0 0; font-size: 0.84rem; line-height: 1.45; color: var(--text-muted); }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill, #js-tool-container-keramzit-floor-backfill-calculator .kbz-table-wrap { background: var(--bg-secondary); }
#js-tool-container-keramzit-floor-backfill-calculator section[data-tb-zone="outcome"] > * + * { margin-top: 16px; }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill { margin-top: 0; }
@media (max-width: 640px) {
#js-tool-container-keramzit-floor-backfill-calculator .tbcalc-grid-2, #js-tool-container-keramzit-floor-backfill-calculator .tbcalc-grid-3 { grid-template-columns: 1fr; }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill-row { flex-direction: column; gap: 2px; }
#js-tool-container-keramzit-floor-backfill-calculator .tb-bill-val { text-align: left; }
}