[data-qtool="concrete-strength-calculator"] {
    --csc-bg: color-mix(in srgb, var(--bs-body-bg, #fff) 95%, #e7f0f7 5%);
    --csc-panel: color-mix(in srgb, var(--bs-body-bg, #fff) 97%, #dce8f1 3%);
    --csc-text: var(--bs-body-color, #172033);
    --csc-muted: var(--bs-secondary-color, #617080);
    --csc-line: color-mix(in srgb, var(--bs-border-color, #d8dee6) 78%, #7897b3 22%);
    --csc-blue: #245d8f;
    --csc-navy: #12324f;
    display: block; color: var(--csc-text); background: var(--csc-bg);
    border: 1px solid var(--csc-line); border-radius: 18px; overflow: hidden;
}
[data-qtool="concrete-strength-calculator"] * { box-sizing: border-box; }
[data-qtool="concrete-strength-calculator"] .csc-wrap { display: grid; gap: .72rem; padding: clamp(.8rem, 1.8vw, 1.1rem); }
[data-qtool="concrete-strength-calculator"] .csc-head { display: flex; align-items: baseline; justify-content: space-between; gap: .45rem 1rem; flex-wrap: wrap; }
[data-qtool="concrete-strength-calculator"] .csc-title { margin: 0; color: var(--csc-navy); font-size: clamp(1.05rem, 2vw, 1.3rem); font-weight: 800; line-height: 1.2; }
[data-bs-theme="dark"] [data-qtool="concrete-strength-calculator"] .csc-title { color: #e8f3ff; }
[data-qtool="concrete-strength-calculator"] .csc-intro,
[data-qtool="concrete-strength-calculator"] .csc-note,
[data-qtool="concrete-strength-calculator"] .csc-validation { margin: 0; color: var(--csc-muted); font-size: .8rem; line-height: 1.38; }
[data-qtool="concrete-strength-calculator"] .csc-main { display: grid; grid-template-columns: minmax(8.5rem, .62fr) minmax(0, 1.65fr); gap: .7rem; }
[data-qtool="concrete-strength-calculator"] .csc-panel { min-width: 0; border: 1px solid var(--csc-line); border-radius: 12px; background: var(--csc-panel); }
[data-qtool="concrete-strength-calculator"] .csc-specimen { display: grid; place-items: center; align-content: center; min-height: 132px; padding: .65rem; text-align: center; }
[data-qtool="concrete-strength-calculator"] .csc-compression { color: var(--csc-blue); font-size: 1.25rem; font-weight: 900; letter-spacing: .45rem; line-height: 1; transform: translateX(.2rem); }
[data-qtool="concrete-strength-calculator"] .csc-shape-wrap { display: grid; place-items: center; width: 94px; height: 68px; margin: .25rem 0; }
[data-qtool="concrete-strength-calculator"] .csc-shape { display: block; border: 2px solid color-mix(in srgb, var(--csc-blue) 80%, var(--csc-line)); background: color-mix(in srgb, var(--csc-blue) 12%, var(--bs-body-bg, #fff)); box-shadow: inset -8px -7px 0 rgba(36, 93, 143, .05); }
[data-qtool="concrete-strength-calculator"] .csc-shape[data-shape="cube"] { width: 58px; height: 58px; border-radius: 5px; }
[data-qtool="concrete-strength-calculator"] .csc-shape[data-shape="cylinder"] { width: 54px; height: 66px; border-radius: 50% / 10%; }
[data-qtool="concrete-strength-calculator"] .csc-dimension-readout { font-size: .78rem; font-weight: 750; }
[data-qtool="concrete-strength-calculator"] .csc-steps { display: grid; gap: .36rem; padding: .65rem .75rem; }
[data-qtool="concrete-strength-calculator"] .csc-step { display: grid; grid-template-columns: 1.35rem minmax(0, 1fr); gap: .48rem; align-items: start; }
[data-qtool="concrete-strength-calculator"] .csc-step-no { display: grid; place-items: center; width: 1.35rem; height: 1.35rem; border-radius: 50%; color: #fff; background: var(--csc-blue); font-size: .68rem; font-weight: 850; }
[data-qtool="concrete-strength-calculator"] .csc-step-title { display: block; margin-bottom: .05rem; font-size: .76rem; font-weight: 800; }
[data-qtool="concrete-strength-calculator"] .csc-equation { margin: 0; font-size: .82rem; line-height: 1.35; font-variant-numeric: tabular-nums; }
[data-qtool="concrete-strength-calculator"] .csc-summary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem; }
[data-qtool="concrete-strength-calculator"] .csc-metric { padding: .62rem .75rem; border: 1px solid var(--csc-line); border-radius: 11px; background: var(--csc-panel); }
[data-qtool="concrete-strength-calculator"] .csc-metric-label { display: block; margin-bottom: .12rem; color: var(--csc-muted); font-size: .68rem; font-weight: 850; letter-spacing: .045em; text-transform: uppercase; }
[data-qtool="concrete-strength-calculator"] .csc-metric-value { font-size: clamp(1.05rem, 2.4vw, 1.35rem); font-weight: 850; line-height: 1.15; font-variant-numeric: tabular-nums; }
[data-qtool="concrete-strength-calculator"] .csc-controls { display: grid; grid-template-columns: minmax(9.5rem, 1.15fr) minmax(8rem, .9fr) minmax(10rem, 1fr); gap: .65rem; align-items: end; }
[data-qtool="concrete-strength-calculator"] .csc-field { min-width: 0; }
[data-qtool="concrete-strength-calculator"] label,
[data-qtool="concrete-strength-calculator"] .csc-field-label { display: block; margin-bottom: .26rem; font-size: .76rem; font-weight: 780; line-height: 1.25; }
[data-qtool="concrete-strength-calculator"] input,
[data-qtool="concrete-strength-calculator"] select { width: 100%; min-height: 2.35rem; padding: .4rem .58rem; border: 1px solid var(--csc-line); border-radius: .65rem; color: var(--csc-text); background: var(--bs-body-bg, #fff); font: inherit; font-size: .86rem; }
[data-qtool="concrete-strength-calculator"] input:focus,
[data-qtool="concrete-strength-calculator"] select:focus,
[data-qtool="concrete-strength-calculator"] .csc-segment button:focus-visible { outline: 0; border-color: var(--csc-blue); box-shadow: 0 0 0 .18rem rgba(36, 93, 143, .16); }
[data-qtool="concrete-strength-calculator"] .csc-segment { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 3px; border: 1px solid var(--csc-line); border-radius: .68rem; background: var(--bs-body-bg, #fff); }
[data-qtool="concrete-strength-calculator"] .csc-segment button { min-height: 2rem; padding: .32rem .55rem; border: 1px solid transparent; border-radius: .5rem; color: var(--csc-text); background: transparent; font: inherit; font-size: .8rem; font-weight: 800; cursor: pointer; }
[data-qtool="concrete-strength-calculator"] .csc-segment button[aria-pressed="true"] { color: #fff; background: var(--csc-blue); }
[data-qtool="concrete-strength-calculator"] .csc-load-row { display: grid; grid-template-columns: minmax(0, 1fr) 4.2rem; gap: .35rem; }
[data-qtool="concrete-strength-calculator"] .csc-validation { min-height: 1.05rem; color: #b23a34; font-weight: 700; }
[data-bs-theme="dark"] [data-qtool="concrete-strength-calculator"] .csc-validation { color: #ffaaa3; }
[data-qtool="concrete-strength-calculator"] .csc-notes { display: grid; gap: .12rem; padding-top: .08rem; }
[data-qtool="concrete-strength-calculator"] .csc-boundary { color: var(--csc-text); font-weight: 750; }
@media (max-width: 767.98px) {
    [data-qtool="concrete-strength-calculator"] .csc-main { grid-template-columns: minmax(7.5rem, .7fr) minmax(0, 1.3fr); }
    [data-qtool="concrete-strength-calculator"] .csc-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    [data-qtool="concrete-strength-calculator"] .csc-controls .csc-field:first-child { grid-column: 1 / -1; }
}
@media (max-width: 575.98px) {
    [data-qtool="concrete-strength-calculator"] .csc-main,
    [data-qtool="concrete-strength-calculator"] .csc-summary,
    [data-qtool="concrete-strength-calculator"] .csc-controls { grid-template-columns: 1fr; }
    [data-qtool="concrete-strength-calculator"] .csc-controls .csc-field:first-child { grid-column: auto; }
    [data-qtool="concrete-strength-calculator"] .csc-specimen { grid-template-columns: auto auto auto; gap: .55rem; min-height: 92px; }
    [data-qtool="concrete-strength-calculator"] .csc-shape-wrap { width: 76px; height: 64px; }
    [data-qtool="concrete-strength-calculator"] .csc-wrap { padding: .75rem; }
}