/*
 * MUM Supplier Interest Portal - front end.
 *
 * Everything is scoped under .mum-sp so it sits inside any theme without
 * bleeding out. Colours are declared once as custom properties; override them
 * in the theme to rebrand.
 */

.mum-sp {
	/* Southern Palladium palette. Slugs match the theme's theme.json, so a
	   block editor colour and a form colour named the same are the same hex. */
	--mum-brand: #221d52; /* primary   */
	--mum-brand-dark: #1a1640; /* primary, darkened for hover */
	--mum-accent: #0095b5; /* secondary */
	--mum-accent-mid: #33aac4; /* custom-blue-mid    */
	--mum-accent-light: #66c0d3; /* custom-blue-light  */
	--mum-accent-wash: #e9f6f9; /* custom-blue-xxlight */
	--mum-accent-edge: #c1e5ed; /* custom-blue-xlight  */

	--mum-ink: #231f20; /* custom-darker-gray */
	--mum-ink-soft: #545454; /* custom-dark-gray   */
	--mum-ink-faint: #999999; /* custom-gray-mid    */
	--mum-line: #e5e5e5; /* custom-gray-xlight */
	--mum-line-strong: #d2d2d2; /* custom-gray-light  */
	--mum-paper: #ffffff; /* base  */

	/* Status colours stay outside the brand palette on purpose - an on-brand
	   error is an error nobody notices. */
	--mum-flag: #9e2b1c;
	--mum-flag-wash: #fbeeec;
	--mum-radius: 3px;

	max-width: 46rem;
	margin-inline: auto;
	color: var(--mum-ink);
	font-size: 1rem;
	line-height: 1.55;
}

.mum-sp *,
.mum-sp *::before,
.mum-sp *::after {
	box-sizing: border-box;
}

/* Notices */
.mum-sp__notice {
	margin: 0 0 1.5rem;
	padding: 1rem 1.15rem;
	border-radius: var(--mum-radius);
	font-size: 0.95rem;
}

.mum-sp__notice--error {
	background: var(--mum-flag-wash);
	border-left: 3px solid var(--mum-flag);
	color: #6d1e13;
}

.mum-sp__notice p {
	margin: 0 0 0.5rem;
}

.mum-sp__notice ul {
	margin: 0;
	padding-left: 1.15rem;
}

.mum-sp__notice a {
	color: inherit;
}

/* Visually hidden, still announced. Themes usually ship this, but not all. */
.mum-sp .screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

/* Honeypot */
.mum-sp__trap {
	position: absolute;
	left: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

/*
 * Sections. Native <details> so the form still works with JavaScript off.
 * The clause number in the left register mirrors the numbering on the printed
 * vendor form, so a supplier holding the Word document can follow along.
 */
.mum-sp__section {
	border: 1px solid var(--mum-line);
	border-radius: var(--mum-radius);
	margin-bottom: 0.75rem;
	background: var(--mum-paper);
}

.mum-sp__section.is-flagged {
	border-color: var(--mum-flag);
}

.mum-sp__section[open] {
	border-color: var(--mum-line-strong);
}

.mum-sp__summary {
	display: flex;
	align-items: flex-start;
	gap: 0.9rem;
	padding: 1rem 1.15rem;
	cursor: pointer;
	list-style: none;
}

.mum-sp__summary::-webkit-details-marker {
	display: none;
}

.mum-sp__summary:focus-visible {
	outline: 2px solid var(--mum-accent);
	outline-offset: -2px;
}

.mum-sp__clause {
	flex: 0 0 auto;
	min-width: 2.75rem;
	padding-top: 0.15rem;
	font-size: 0.75rem;
	font-variant-numeric: tabular-nums;
	letter-spacing: 0.04em;
	color: var(--mum-ink-soft);
}

.mum-sp__summary-text {
	flex: 1 1 auto;
	display: block;
}

.mum-sp__section-title {
	display: block;
	font-weight: 650;
	font-size: 1.05rem;
	letter-spacing: -0.005em;
}

.mum-sp__section-desc {
	display: block;
	margin-top: 0.1rem;
	font-size: 0.9rem;
	color: var(--mum-ink-soft);
}

.mum-sp__chevron {
	flex: 0 0 auto;
	width: 0.6rem;
	height: 0.6rem;
	margin-top: 0.55rem;
	border-right: 1.5px solid var(--mum-ink-soft);
	border-bottom: 1.5px solid var(--mum-ink-soft);
	transform: rotate(45deg);
	transition: transform 0.18s ease;
}

.mum-sp__section[open] .mum-sp__chevron {
	transform: rotate(-135deg);
}

.mum-sp__fields {
	padding: 0.25rem 1.15rem 1.4rem;
	border-top: 1px solid var(--mum-line);
	margin-top: 0.15rem;
}

/* Fields */
.mum-sp__field {
	margin-top: 1.25rem;
}

.mum-sp__field.is-hidden {
	display: none;
}

.mum-sp__label {
	display: block;
	margin-bottom: 0.35rem;
	font-weight: 600;
	font-size: 0.95rem;
}

.mum-sp__field-clause {
	display: inline-block;
	min-width: 2.1rem;
	font-size: 0.72rem;
	font-weight: 400;
	font-variant-numeric: tabular-nums;
	color: var(--mum-ink-faint);
}

.mum-sp__req {
	color: var(--mum-flag);
	font-weight: 700;
}

.mum-sp__optional {
	margin-left: 0.35rem;
	font-size: 0.78rem;
	font-weight: 400;
	color: var(--mum-ink-soft);
	text-transform: lowercase;
}

.mum-sp__input {
	width: 100%;
	padding: 0.6rem 0.7rem;
	font: inherit;
	font-size: 1rem;
	color: var(--mum-ink);
	background: #f5f5f5;
	border: 1px solid var(--mum-line-strong);
	transition:
		border-color 0.15s ease,
		box-shadow 0.15s ease;
}

.mum-sp__input:focus {
	outline: none;
	border: 2px solid var(--mum-brand);
	border-radius: var(--mum-radius);
}

.mum-sp__field.has-error .mum-sp__input {
	border-color: var(--mum-flag);
}

textarea.mum-sp__input {
	resize: vertical;
	min-height: 5rem;
	line-height: 1.5;
}

select.mum-sp__input {
	appearance: none;
	background-image: linear-gradient(45deg, transparent 50%, var(--mum-ink-soft) 50%), linear-gradient(135deg, var(--mum-ink-soft) 50%, transparent 50%);
	background-position:
		calc(100% - 1.1rem) 1.15rem,
		calc(100% - 0.75rem) 1.15rem;
	background-size:
		0.35rem 0.35rem,
		0.35rem 0.35rem;
	background-repeat: no-repeat;
	padding-right: 2.2rem;
}

/* Checkbox rows */
.mum-sp__check {
	display: flex;
	align-items: flex-start;
	gap: 0.6rem;
	font-size: 0.95rem;
	cursor: pointer;
}

.mum-sp__check input {
	flex: 0 0 auto;
	width: 1.05rem;
	height: 1.05rem;
	margin-top: 0.2rem;
	accent-color: var(--mum-brand);
}

.mum-sp__field--checkbox.has-error .mum-sp__check {
	color: var(--mum-flag);
}

/* Helper text */
.mum-sp__help,
.mum-sp__counter {
	margin: 0.35rem 0 0;
	font-size: 0.83rem;
	color: var(--mum-ink-soft);
}

.mum-sp__counter.is-over {
	color: var(--mum-flag);
	font-weight: 600;
}

.mum-sp__error {
	margin: 0.35rem 0 0;
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--mum-flag);
}

.mum-sp__privacy {
	margin: 1.5rem 0 0;
	font-size: 0.83rem;
	color: var(--mum-ink-soft);
}

/* Turnstile. Cloudflare sizes the iframe itself; this only spaces it. */
.mum-sp__turnstile {
	margin-top: 1.5rem;
	min-height: 65px;
}

/* Submit */
.mum-sp__actions {
	margin-top: 1.25rem;
	padding-top: 1.25rem;
	border-top: 1px solid var(--mum-line);
}

.mum-sp__submit {
	padding: 0.75rem 1.6rem;
	font: inherit;
	font-size: 1rem;
	font-weight: 650;
	color: var(--mum-paper);
	background: var(--mum-accent);
	border: 0;
	cursor: pointer;
	transition: background-color 0.15s ease;
}

.mum-sp__submit:hover {
	background: var(--mum-brand);
}

.mum-sp__submit:focus-visible {
	outline: 2px solid var(--mum-ink);
	outline-offset: 2px;
}

.mum-sp__submit[disabled] {
	opacity: 0.65;
	cursor: progress;
}

.mum-sp__actions-note {
	margin: 0.6rem 0 0;
	font-size: 0.83rem;
	color: var(--mum-ink-soft);
}

/* Receipt shown after a successful submission */
.mum-sp__receipt {
	padding: 1.5rem;
	margin-bottom: 1.5rem;
	background: var(--mum-accent-wash);
	border-radius: 0 var(--mum-radius) var(--mum-radius) 0;
}

.mum-sp__receipt-eyebrow {
	margin: 0;
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--mum-brand);
}

.mum-sp__receipt-ref {
	margin: 0.3rem 0 0.2rem;
	font-size: clamp(1.4rem, 1rem + 1.6vw, 1.9rem);
	font-variant-numeric: tabular-nums;
	letter-spacing: 0.02em;
}

.mum-sp__receipt-meta {
	margin: 0;
	font-size: 0.875rem;
	color: var(--mum-ink-soft);
}

@media (max-width: 480px) {
	.mum-sp__summary {
		gap: 0.6rem;
		padding: 0.9rem 0.9rem;
	}

	.mum-sp__clause {
		min-width: 2.2rem;
	}

	.mum-sp__fields {
		padding: 0.25rem 0.9rem 1.2rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.mum-sp *,
	.mum-sp *::before,
	.mum-sp *::after {
		transition-duration: 0.01ms !important;
	}
}