#js-tool-container-stair-stringer-calculator .sg-app { display: flex; flex-direction: column; gap: 22px; color: var(--text-primary); }
#js-tool-container-stair-stringer-calculator .sg-app, #js-tool-container-stair-stringer-calculator .sg-app * { box-sizing: border-box; }
#js-tool-container-stair-stringer-calculator .tbcalc-fieldset { border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 16px 18px 18px; margin: 0 0 14px; background: var(--bg-secondary); }
#js-tool-container-stair-stringer-calculator .tbcalc-fieldset:last-child { margin-bottom: 0; }
#js-tool-container-stair-stringer-calculator .tbcalc-legend { padding: 0 6px; font-weight: 600; font-size: 0.95rem; color: var(--text-secondary); }
#js-tool-container-stair-stringer-calculator .tbcalc-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 20px; }
#js-tool-container-stair-stringer-calculator .tbcalc-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
#js-tool-container-stair-stringer-calculator .tbcalc-hint { font-size: 0.8rem; line-height: 1.35; color: var(--text-muted); }
#js-tool-container-stair-stringer-calculator .sg-outcome { display: flex; flex-direction: column; gap: 16px; }
#js-tool-container-stair-stringer-calculator .sg-hero { border-left: 4px solid var(--accent-primary); background: var(--accent-light); border-radius: var(--radius-md); padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; min-height: 118px; }
#js-tool-container-stair-stringer-calculator .sg-hero-label { font-size: 0.9rem; color: var(--text-secondary); }
#js-tool-container-stair-stringer-calculator .sg-hero-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
#js-tool-container-stair-stringer-calculator .sg-hero-value { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; line-height: 1.05; color: var(--text-primary); }
#js-tool-container-stair-stringer-calculator .tbcalc-unit { font-size: 1rem; color: var(--text-secondary); }
#js-tool-container-stair-stringer-calculator .sg-hero-note { margin: 0; font-size: 0.86rem; line-height: 1.4; color: var(--text-secondary); }
#js-tool-container-stair-stringer-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-stair-stringer-calculator .tbcalc-status.warn { border-left-color: var(--warning); background: var(--warning-light); color: var(--text-primary); }
#js-tool-container-stair-stringer-calculator .sg-pair { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 14px; align-items: stretch; }
#js-tool-container-stair-stringer-calculator .sg-diag-wrap { border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 14px; background: var(--bg-secondary); display: flex; flex-direction: column; }
#js-tool-container-stair-stringer-calculator .sg-diag { position: relative; flex: 1 1 auto; min-height: 210px; display: block; border-left: 2px solid var(--border-color); border-bottom: 2px solid var(--border-color); }
#js-tool-container-stair-stringer-calculator .sg-diag-hyp { position: absolute; height: 0; border-top: 4px solid var(--accent-primary); transform-origin: 0 0; display: block; }
#js-tool-container-stair-stringer-calculator .sg-diag-hyp::after { content: ''; position: absolute; top: -8px; right: -2px; border: 5px solid transparent; border-left-color: var(--accent-primary); }
#js-tool-container-stair-stringer-calculator .sg-step-dot { position: absolute; width: 8px; height: 8px; border-radius: 999px; background: var(--accent-primary); transform: translate(-50%, 50%); }
#js-tool-container-stair-stringer-calculator .sg-dim-a { position: absolute; margin: 0; bottom: 4px; left: 50%; transform: translateX(-50%); font-size: 0.78rem; color: var(--text-muted); font-variant-numeric: tabular-nums; }
#js-tool-container-stair-stringer-calculator .sg-dim-h { position: absolute; margin: 0; right: 4px; top: 50%; transform: translateY(-50%) rotate(90deg); transform-origin: center; font-size: 0.78rem; color: var(--text-muted); font-variant-numeric: tabular-nums; }
#js-tool-container-stair-stringer-calculator .sg-dim-ang { position: absolute; margin: 0; left: 14%; bottom: 38%; font-size: 0.82rem; font-weight: 650; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
#js-tool-container-stair-stringer-calculator .sg-diag-desc { margin: 8px 0 0; font-size: 0.8rem; line-height: 1.4; color: var(--text-muted); font-variant-numeric: tabular-nums; }
#js-tool-container-stair-stringer-calculator .sg-pass-wrap { display: flex; flex-direction: column; border: 1px solid var(--border-color); border-radius: var(--radius-md); background: var(--bg-secondary); overflow: hidden; }
#js-tool-container-stair-stringer-calculator .tbcalc-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; font-variant-numeric: tabular-nums; }
#js-tool-container-stair-stringer-calculator .sg-pass-cap { caption-side: top; text-align: left; padding: 10px 14px 2px; font-size: 0.84rem; color: var(--text-secondary); }
#js-tool-container-stair-stringer-calculator .tbcalc-table th, #js-tool-container-stair-stringer-calculator .tbcalc-table td { padding: 8px 12px; border-top: 1px solid var(--border-color); white-space: nowrap; }
#js-tool-container-stair-stringer-calculator .tbcalc-table thead th { color: var(--text-secondary); font-weight: 600; border-top: 0; }
#js-tool-container-stair-stringer-calculator .sg-pass th[scope="row"] { text-align: left; color: var(--text-secondary); font-weight: 500; }
#js-tool-container-stair-stringer-calculator .sg-pass td { text-align: right; font-weight: 650; }
#js-tool-container-stair-stringer-calculator .sg-details { display: flex; flex-direction: column; gap: 12px; }
#js-tool-container-stair-stringer-calculator .sg-details .tbcalc-table-wrap { overflow-x: auto; border: 1px solid var(--border-color); border-radius: var(--radius-md); background: var(--bg-secondary); }
#js-tool-container-stair-stringer-calculator .sg-table-caption { caption-side: top; text-align: left; padding: 10px 14px 2px; font-size: 0.84rem; color: var(--text-secondary); }
#js-tool-container-stair-stringer-calculator .sg-details .tbcalc-table th, #js-tool-container-stair-stringer-calculator .sg-details .tbcalc-table td { text-align: right; }
#js-tool-container-stair-stringer-calculator .sg-details .tbcalc-table th[scope="col"]:first-child, #js-tool-container-stair-stringer-calculator .sg-details .tbcalc-table td:first-child { text-align: left; }
#js-tool-container-stair-stringer-calculator .sg-ok { color: var(--success); font-weight: 650; }
#js-tool-container-stair-stringer-calculator .sg-bad { color: var(--warning); font-weight: 650; }
#js-tool-container-stair-stringer-calculator .sg-limits { margin: 0; font-size: 0.84rem; line-height: 1.45; color: var(--text-muted); }
@media (max-width: 760px) { #js-tool-container-stair-stringer-calculator .sg-pair { grid-template-columns: 1fr; } }
@media (max-width: 600px) { #js-tool-container-stair-stringer-calculator .tbcalc-grid-2 { grid-template-columns: 1fr; } }