.btp-dust-calculator {
	--dust-orange: #f7931a;
	--dust-orange-strong: #a95400;
	--dust-blue: #2563eb;
	--dust-green: #087f5b;
	--dust-red: #b42318;
	width: 100%;
	overflow: clip;
	border: 1px solid var(--btk-line);
	border-radius: 8px;
	background: var(--btk-bg);
	box-shadow: 0 18px 48px rgba(15, 23, 42, .09);
}

.btp-dust-calculator *,
.btp-dust-calculator *::before,
.btp-dust-calculator *::after { box-sizing: border-box; }
.btp-dust-calculator [hidden] { display: none !important; }
.btp-dust-calculator button,
.btp-dust-calculator input,
.btp-dust-calculator select { font: inherit; }

.btp-dust-calculator button:focus-visible,
.btp-dust-calculator input:focus-visible,
.btp-dust-calculator select:focus-visible,
.btp-dust-calculator summary:focus-visible {
	outline: 3px solid color-mix(in srgb, var(--dust-blue) 32%, transparent);
	outline-offset: 2px;
}

.btp-dust-calculator__intro {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
	gap: 40px;
	align-items: center;
	padding: 28px 30px 24px;
	border-bottom: 1px solid var(--btk-line);
}

.btp-dust-calculator__intro h2 { margin: 0 0 7px; color: var(--btk-ink); font-size: clamp(1.35rem, 2.8vw, 1.85rem); line-height: 1.2; letter-spacing: 0; }
.btp-dust-calculator__intro p { margin: 0; color: var(--btk-muted); font-size: .94rem; line-height: 1.55; }
.btp-dust-calculator__boundary { padding: 12px 14px; border-left: 3px solid var(--dust-orange); background: color-mix(in srgb, var(--dust-orange) 6%, var(--btk-bg)); }
.btp-dust-calculator__boundary strong { color: var(--btk-ink); }

.btp-dust-calculator__mode {
	display: inline-flex;
	gap: 4px;
	margin: 22px 30px 0;
	padding: 4px;
	border: 1px solid var(--btk-line);
	border-radius: 7px;
	background: var(--btk-soft);
}
.btp-dust-calculator__mode label { position: relative; cursor: pointer; }
.btp-dust-calculator__mode input { position: absolute; opacity: 0; pointer-events: none; }
.btp-dust-calculator__mode span { display: inline-flex; min-height: 40px; align-items: center; padding: 0 17px; border-radius: 5px; color: var(--btk-muted); font-size: .9rem; font-weight: 750; }
.btp-dust-calculator__mode label.is-active span { background: var(--btk-bg); color: var(--btk-ink); box-shadow: 0 2px 9px rgba(15, 23, 42, .08); }
.btp-dust-calculator__mode input:focus-visible + span { outline: 3px solid color-mix(in srgb, var(--dust-blue) 32%, transparent); outline-offset: 2px; }

.btp-dust-calculator__workspace { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(400px, .97fr); gap: 24px; padding: 22px 30px 30px; }
.btp-dust-calculator__inputs,
.btp-dust-calculator__result { min-width: 0; border: 1px solid var(--btk-line); border-radius: 8px; background: var(--btk-bg); }
.btp-dust-calculator__inputs { padding: 0 22px; }
.btp-dust-calculator__group { padding: 23px 0; border-bottom: 1px solid var(--btk-line); }
.btp-dust-calculator__group:last-of-type { border-bottom: 0; }
.btp-dust-calculator__group-heading { margin-bottom: 18px; }
.btp-dust-calculator__group-heading h3 { margin: 0 0 4px; color: var(--btk-ink); font-size: 1.02rem; line-height: 1.35; }
.btp-dust-calculator__group-heading p,
.btp-dust-calculator__field p { margin: 0; color: var(--btk-muted); font-size: .88rem; line-height: 1.5; }
.btp-dust-calculator__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; }
.btp-dust-calculator__field { display: flex; min-width: 0; flex-direction: column; gap: 8px; }
.btp-dust-calculator__field + .btp-dust-calculator__field { margin-top: 16px; }
.btp-dust-calculator__grid .btp-dust-calculator__field + .btp-dust-calculator__field { margin-top: 0; }
.btp-dust-calculator__field > label,
.btp-dust-calculator__rate legend,
.btp-dust-calculator__rate-options label,
.btp-dust-calculator__check { color: var(--btk-ink); font-size: .9rem; font-weight: 750; line-height: 1.35; }

.btp-dust-calculator input[type="number"],
.btp-dust-calculator input[type="text"],
.btp-dust-calculator select { width: 100%; min-width: 0; height: 50px; margin: 0; padding: 0 13px; border: 1px solid color-mix(in srgb, var(--btk-line) 78%, var(--btk-muted)); border-radius: 6px; background: var(--btk-bg); color: var(--btk-ink); font-weight: 650; font-variant-numeric: tabular-nums; }
.btp-dust-calculator select { padding-right: 36px; }
.btp-dust-calculator input[type="checkbox"],
.btp-dust-calculator input[type="radio"] { width: 18px; height: 18px; margin: 0; accent-color: var(--dust-blue); }
.btp-dust-calculator__suffix { position: relative; }
.btp-dust-calculator__suffix input { padding-right: 86px; }
.btp-dust-calculator__suffix > span { position: absolute; top: 50%; right: 13px; transform: translateY(-50%); color: var(--btk-muted); font-size: .86rem; font-weight: 750; }

.btp-dust-calculator__rate { margin: 0; padding: 16px; border: 1px solid var(--btk-line); border-radius: 7px; }
.btp-dust-calculator__rate legend { padding: 0 7px; }
.btp-dust-calculator__rate-options { display: flex; gap: 24px; margin-bottom: 13px; }
.btp-dust-calculator__rate-options label,
.btp-dust-calculator__check { display: inline-flex; min-height: 40px; align-items: center; gap: 8px; }
.btp-dust-calculator__check { margin-top: 14px; }

.btp-dust-calculator__actions { display: flex; gap: 10px; padding: 20px 0 23px; }
.btp-dust-calculator__actions button,
.btp-dust-calculator__result-actions button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 0 18px; border: 1px solid var(--dust-blue); border-radius: 6px; background: var(--dust-blue); color: #fff; font-weight: 750; line-height: 1.2; cursor: pointer; transition: transform .18s ease, background-color .18s ease, border-color .18s ease; }
.btp-dust-calculator__actions button:hover,
.btp-dust-calculator__result-actions button:hover { transform: translateY(-1px); background: #1749b7; border-color: #1749b7; }
.btp-dust-calculator__actions .is-secondary { border-color: var(--btk-line); background: var(--btk-bg); color: var(--btk-ink); }
.btp-dust-calculator__actions .is-secondary:hover { border-color: var(--dust-blue); background: color-mix(in srgb, var(--dust-blue) 7%, var(--btk-bg)); color: var(--dust-blue); }
.btp-dust-calculator__actions button[disabled] { opacity: .6; cursor: wait; transform: none; }
.btp-dust-calculator__error { margin: -8px 0 22px; padding: 11px 13px; border-left: 3px solid var(--dust-red); background: color-mix(in srgb, var(--dust-red) 7%, var(--btk-bg)); color: var(--btk-ink); font-size: .9rem; line-height: 1.5; }

.btp-dust-calculator__result { align-self: start; padding: 23px; background: color-mix(in srgb, var(--dust-orange) 3%, var(--btk-bg)); }
.btp-dust-calculator__result[aria-busy="true"] { opacity: .62; }
.btp-dust-calculator__example { margin-bottom: 18px; padding: 13px 14px; border: 1px solid var(--btk-line); border-radius: 7px; background: var(--btk-soft); }
.btp-dust-calculator__example strong { color: var(--btk-ink); font-size: .9rem; }
.btp-dust-calculator__example p { margin: 4px 0 0; color: var(--btk-muted); font-size: .86rem; line-height: 1.5; }
.btp-dust-calculator__result-head { padding-bottom: 18px; border-bottom: 1px solid var(--btk-line); }
.btp-dust-calculator__result-head > span { color: var(--btk-muted); font-size: .88rem; font-weight: 750; }
.btp-dust-calculator__result-head > strong { display: block; margin-top: 4px; color: var(--btk-ink); font-size: clamp(1.75rem, 4vw, 2.5rem); line-height: 1.1; letter-spacing: 0; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.btp-dust-calculator__result-head p { margin: 6px 0 0; color: var(--btk-muted); font-size: .9rem; }

.btp-dust-calculator__tests { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.btp-dust-calculator__test { min-width: 0; padding: 15px; border: 1px solid var(--btk-line); border-radius: 7px; background: var(--btk-bg); }
.btp-dust-calculator__test.is-policy { border-top: 3px solid var(--dust-orange); padding-top: 13px; }
.btp-dust-calculator__test.is-economic { border-top: 3px solid var(--dust-blue); padding-top: 13px; }
.btp-dust-calculator__test-name { margin: 0 0 10px; color: var(--btk-ink); font-size: .94rem; font-weight: 800; }
.btp-dust-calculator__status { display: inline-flex; max-width: 100%; min-height: 31px; align-items: center; padding: 5px 9px; border: 1px solid var(--btk-line); border-radius: 999px; color: var(--btk-ink); font-size: .84rem; font-weight: 750; line-height: 1.35; }
.btp-dust-calculator__status.is-not-dust,
.btp-dust-calculator__status.is-positive { border-color: color-mix(in srgb, var(--dust-green) 28%, var(--btk-line)); background: color-mix(in srgb, var(--dust-green) 7%, var(--btk-bg)); color: var(--dust-green); }
.btp-dust-calculator__status.is-dust,
.btp-dust-calculator__status.is-negative,
.btp-dust-calculator__status.is-unavailable { border-color: color-mix(in srgb, var(--dust-red) 24%, var(--btk-line)); background: color-mix(in srgb, var(--dust-red) 6%, var(--btk-bg)); color: var(--dust-red); }
.btp-dust-calculator__status.is-break-even { border-color: color-mix(in srgb, var(--dust-orange) 35%, var(--btk-line)); background: color-mix(in srgb, var(--dust-orange) 8%, var(--btk-bg)); color: var(--dust-orange-strong); }
.btp-dust-calculator__test > strong { display: block; margin-top: 13px; color: var(--btk-ink); font-size: 1.25rem; line-height: 1.25; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.btp-dust-calculator__test > p:last-child { margin: 7px 0 0; color: var(--btk-muted); font-size: .86rem; line-height: 1.5; }

.btp-dust-calculator__metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin: 15px 0 0; border: 1px solid var(--btk-line); border-radius: 7px; background: var(--btk-bg); overflow: hidden; }
.btp-dust-calculator__metrics > div { min-width: 0; padding: 12px 13px; border-bottom: 1px solid var(--btk-line); }
.btp-dust-calculator__metrics > div:nth-child(odd) { border-right: 1px solid var(--btk-line); }
.btp-dust-calculator__metrics > div.is-wide { grid-column: 1 / -1; border-right: 0; border-bottom: 0; }
.btp-dust-calculator__metrics dt { color: var(--btk-muted); font-size: .84rem; font-weight: 700; line-height: 1.4; }
.btp-dust-calculator__metrics dd { margin: 5px 0 0; color: var(--btk-ink); font-size: .91rem; font-weight: 750; line-height: 1.4; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.btp-dust-calculator__source { margin-top: 14px; padding: 13px; border-left: 3px solid var(--dust-blue); background: color-mix(in srgb, var(--dust-blue) 6%, var(--btk-bg)); }
.btp-dust-calculator__source strong { color: var(--btk-ink); font-size: .88rem; }
.btp-dust-calculator__source p { margin: 4px 0 0; color: var(--btk-muted); font-size: .85rem; line-height: 1.5; }
.btp-dust-calculator__result-actions { display: flex; margin-top: 16px; }
.btp-dust-calculator__copy-status { min-height: 20px; margin: 7px 0 0; color: var(--dust-green); font-size: .86rem; }
.btp-dust-calculator__details { margin-top: 9px; border-top: 1px solid var(--btk-line); }
.btp-dust-calculator__details summary { display: flex; min-height: 48px; align-items: center; justify-content: space-between; color: var(--btk-ink); font-size: .92rem; font-weight: 750; cursor: pointer; list-style: none; }
.btp-dust-calculator__details summary::-webkit-details-marker { display: none; }
.btp-dust-calculator__details summary::after { content: "+"; color: var(--dust-blue); font-size: 1.25rem; font-weight: 600; }
.btp-dust-calculator__details[open] summary::after { content: "-"; }
.btp-dust-calculator__details code { display: block; margin-top: 8px; padding: 10px; border-radius: 6px; background: var(--btk-soft); color: var(--btk-ink); font-size: .84rem; line-height: 1.5; white-space: normal; overflow-wrap: anywhere; }
.btp-dust-calculator__details div > p { margin: 11px 0 2px; color: var(--btk-muted); font-size: .85rem; line-height: 1.5; }
.btp-dust-calculator__noscript { margin: 0; padding: 14px 30px; border-top: 1px solid var(--btk-line); color: var(--btk-muted); font-size: .88rem; line-height: 1.5; }

[data-theme="dark"] .btp-dust-calculator__result,
.dark .btp-dust-calculator__result { background: color-mix(in srgb, var(--dust-orange) 5%, var(--btk-bg)); }

@media (max-width: 1100px) {
	.btp-dust-calculator__workspace { grid-template-columns: 1fr; }
	.btp-dust-calculator__result { width: 100%; }
}

@media (max-width: 720px) {
	.btp-dust-calculator__intro { grid-template-columns: 1fr; gap: 13px; padding: 23px 20px 19px; }
	.btp-dust-calculator__mode { margin: 18px 20px 0; }
	.btp-dust-calculator__workspace { gap: 18px; padding: 18px 20px 22px; }
	.btp-dust-calculator__tests { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
	.btp-dust-calculator__intro { padding-inline: 16px; }
	.btp-dust-calculator__mode { width: calc(100% - 32px); margin-inline: 16px; }
	.btp-dust-calculator__mode label { flex: 1 1 0; }
	.btp-dust-calculator__mode span { justify-content: center; padding-inline: 10px; }
	.btp-dust-calculator__workspace { padding: 16px; }
	.btp-dust-calculator__inputs { padding: 0 15px; }
	.btp-dust-calculator__result { padding: 16px; }
	.btp-dust-calculator__grid,
	.btp-dust-calculator__metrics { grid-template-columns: 1fr; }
	.btp-dust-calculator__metrics > div,
	.btp-dust-calculator__metrics > div:nth-child(odd) { border-right: 0; }
	.btp-dust-calculator__metrics > div.is-wide { grid-column: 1; }
	.btp-dust-calculator__rate-options { flex-direction: column; gap: 0; }
	.btp-dust-calculator__actions { flex-direction: column; }
	.btp-dust-calculator__actions button,
	.btp-dust-calculator__result-actions button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
	.btp-dust-calculator *,
	.btp-dust-calculator *::before,
	.btp-dust-calculator *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}