/*
 * SAHA — form.css
 * Form báo giá, form liên hệ, quote modal. Chỉ load khi form được render.
 */

.saha-form {
	margin: 0;
}

/* Form đặt thẳng trong nội dung trang (Báo giá, Liên hệ): hộp thẻ căn giữa.
 * Form trong modal, sidebar hay khối builder giữ nguyên. */
.saha-prose > .saha-form {
	max-width: var(--saha-content, 800px);
	margin: 8px auto 0;
	padding: clamp(20px, 4vw, 36px);
	border: 1px solid var(--saha-border, #e3e6ea);
	border-radius: 12px;
	background: var(--saha-background, #fff);
	box-shadow: 0 8px 24px rgb(15 23 42 / 6%);
}

.saha-prose > .saha-form .saha-form__title {
	margin-top: 0;
}

.saha-form__title {
	margin-bottom: 12px;
	font-size: 20px;
}

.saha-form__grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 0 16px;
}

.saha-form__field {
	margin: 0 0 12px;
}

.saha-form__field--full {
	grid-column: 1 / -1;
}

.saha-form__field label {
	display: block;
	margin-bottom: 4px;
	font-size: 14px;
	font-weight: 600;
}

.saha-form__field input,
.saha-form__field textarea {
	width: 100%;
	margin: 0;
}

.saha-form__field [aria-invalid="true"] {
	border-color: #c62828;
	box-shadow: 0 0 0 1px #c62828;
}

.saha-required {
	color: #c62828;
}

.saha-form__error {
	display: block;
	min-height: 0;
	margin-top: 4px;
	color: #c62828;
	font-size: 13px;
}

.saha-form__error:empty {
	display: none;
}

/* --- Thông báo ---------------------------------------------------------- */

.saha-form__notice {
	margin-bottom: 14px;
	padding: 10px 12px;
	border-radius: var(--saha-radius);
	background: var(--saha-color-surface-alt);
	border: 1px solid var(--saha-color-border);
	font-size: 14px;
}

.saha-form__notice[hidden] {
	display: none;
}

.saha-form__notice[data-type="success"] {
	background: #e8f5e9;
	border-color: #a5d6a7;
	color: #1b5e20;
}

.saha-form__notice[data-type="error"] {
	background: #fdecea;
	border-color: #f5c2c0;
	color: #8a1f1f;
}

/* --- Sản phẩm đang hỏi giá ---------------------------------------------- */

.saha-form__product {
	margin-bottom: 14px;
	padding: 10px 12px;
	background: var(--saha-color-surface-alt);
	border-left: 3px solid var(--saha-color-primary);
	font-size: 14px;
}

.saha-form__product[hidden] {
	display: none;
}

.saha-form__product-label,
.saha-form__product-sku {
	color: var(--saha-color-muted);
}

/* --- Nút gửi + spinner (spec §83) --------------------------------------- */

.saha-form__actions {
	margin: 4px 0 8px;
}

.saha-form__submit {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	margin: 0;
}

.saha-form__spinner {
	display: none;
	width: 14px;
	height: 14px;
	border: 2px solid currentColor;
	border-right-color: transparent;
	border-radius: 50%;
	animation: saha-spin .7s linear infinite;
}

.saha-form--busy .saha-form__spinner {
	display: inline-block;
}

.saha-form__submit:disabled {
	cursor: not-allowed;
	opacity: .75;
}

@keyframes saha-spin {
	to {
		transform: rotate(360deg);
	}
}

.saha-form__privacy {
	margin: 0;
	color: var(--saha-color-muted);
	font-size: 12px;
}

/* --- Quote modal (<dialog>) --------------------------------------------- */

.saha-quote-modal {
	width: min(640px, calc(100vw - 32px));
	max-height: calc(100vh - 32px);
	padding: 0;
	border: 0;
	border-radius: 8px;
	box-shadow: 0 12px 40px rgba(0, 0, 0, .25);
	overflow: auto;
}

.saha-quote-modal::backdrop {
	background: rgba(15, 23, 42, .55);
}

.saha-quote-modal__inner {
	padding: 20px 24px 24px;
}

.saha-quote-modal__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 12px;
}

.saha-quote-modal__title {
	margin: 0;
	font-size: 20px;
}

.saha-quote-modal__close {
	width: 36px;
	height: 36px;
	margin: 0;
	padding: 0;
	background: none;
	border: 0;
	color: var(--saha-color-muted);
	font-size: 28px;
	line-height: 1;
	cursor: pointer;
}

.saha-quote-modal__close:hover,
.saha-quote-modal__close:focus-visible {
	color: var(--saha-color-text);
}

@media (max-width: 575px) {
	.saha-form__grid {
		grid-template-columns: 1fr;
	}

	.saha-quote-modal {
		width: 100vw;
		max-width: 100vw;
		max-height: 100vh;
		height: 100%;
		margin: 0;
		border-radius: 0;
	}

	.saha-quote-modal__inner {
		padding: 16px;
	}
}