/*
 * Калькулятор стоимости покрытия.
 * Использует токены темы из style.css, классы с префиксом .asf-calc.
 */

.asf-calc-form {
	background: var(--white);
	border: 1px solid var(--line);
	border-radius: var(--radius-lg, 24px);
	padding: clamp(20px, 3vw, 32px);
	box-shadow: var(--shadow);
	margin: 26px 0;
}

.asf-calc-form__row {
	margin-bottom: 20px;
}

.asf-calc-form__label {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 12px;
	font-size: 14px;
	font-weight: 700;
	margin-bottom: 10px;
}

.asf-calc-form__label output {
	color: var(--accent-ink);
	font-weight: 800;
	font-variant-numeric: tabular-nums;
}

.asf-calc-form__choices {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
}

.asf-calc-choice {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 52px;
	padding: 12px 14px;
	border: 2px solid var(--line);
	border-radius: 12px;
	font-size: 14px;
	font-weight: 700;
	text-align: center;
	cursor: pointer;
	transition: border-color .2s ease, background-color .2s ease;
}

.asf-calc-choice input {
	position: absolute;
	opacity: 0;
	pointer-events: none;
}

.asf-calc-choice:hover {
	border-color: var(--graphite);
}

.asf-calc-choice[data-active="true"] {
	border-color: var(--graphite);
	background: #fffbe8;
}

.asf-calc-choice:has(input:focus-visible) {
	outline: 2px solid var(--accent-ink);
	outline-offset: 2px;
}

/* Ползунок площади */
.asf-calc-form input[type="range"] {
	width: 100%;
	height: 6px;
	border-radius: 99px;
	appearance: none;
	background: linear-gradient(90deg, var(--accent) var(--asf-fill, 5%), var(--line) var(--asf-fill, 5%));
	cursor: pointer;
}

.asf-calc-form input[type="range"]::-webkit-slider-thumb {
	appearance: none;
	width: 26px;
	height: 26px;
	border-radius: 50%;
	background: var(--ink);
	border: 4px solid var(--white);
	box-shadow: 0 2px 8px rgba(0, 0, 0, .25);
}

.asf-calc-form input[type="range"]::-moz-range-thumb {
	width: 22px;
	height: 22px;
	border: 4px solid #fff;
	border-radius: 50%;
	background: var(--ink);
}

.asf-calc-form__number {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-top: 12px;
	padding: 10px 14px;
	border: 2px solid var(--line);
	border-radius: 12px;
}

.asf-calc-form__number input {
	border: 0;
	outline: 0;
	width: 100%;
	background: transparent;
	color: var(--ink);
	font-size: 18px;
	font-weight: 800;
	font-variant-numeric: tabular-nums;
}

.asf-calc-form__number span {
	color: var(--muted);
	font-size: 14px;
}

.asf-calc-form select {
	width: 100%;
	min-height: 52px;
	padding: 13px 15px;
	border: 2px solid var(--line);
	border-radius: 12px;
	background: var(--white);
	color: var(--ink);
	font-size: 15px;
}

.asf-calc-form select:focus {
	outline: none;
	border-color: var(--accent);
}

/* Результат */
.asf-calc-form__result {
	background: var(--graphite);
	color: #fff;
	border-radius: var(--radius, 18px);
	padding: clamp(18px, 2.4vw, 24px);
	margin-top: 6px;
}

.asf-calc-form__result-label {
	font-size: 12px;
	letter-spacing: .08em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, .72);
	margin-bottom: 6px;
}

.asf-calc-form__sum {
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 900;
	letter-spacing: -.04em;
	line-height: 1.05;
	margin-bottom: 8px;
	color: var(--accent);
	font-variant-numeric: tabular-nums;
}

.asf-calc-form__math {
	font-size: 13px;
	color: rgba(255, 255, 255, .8);
	margin-bottom: 10px;
	font-variant-numeric: tabular-nums;
}

.asf-calc-form__note {
	font-size: 13px;
	color: rgba(255, 255, 255, .8);
	margin-bottom: 14px;
}

.asf-calc-form__lead {
	font-size: 12px;
	color: rgba(255, 255, 255, .62);
	margin-bottom: 16px;
}

.asf-calc-form__cta {
	width: 100%;
}

@media (max-width: 520px) {
	.asf-calc-form__choices {
		grid-template-columns: 1fr;
	}

	.asf-calc-form__sum {
		font-size: 26px;
	}
}