/**
 * CASS Corpus Signup - front-end styles.
 *
 * Colours fall back to Elementor's global variables, then to neutral defaults.
 * Per-corpus settings are injected as custom properties on the wrapper.
 *
 * @version 1.7.4
 */

.cass-cs {
	--cass-cs-accent: #0066cc;
	--cass-cs-text: var(--e-global-color-text, #23282d);
	--cass-cs-button-bg: var(--cass-cs-accent);
	--cass-cs-button-fg: #ffffff;
	--cass-cs-licence-bg: #fbfbfc;
	--cass-cs-border: #d5d7da;
	--cass-cs-muted: #6b7177;
	--cass-cs-radius: 6px;
	--cass-cs-licence-height: 26rem;
	--cass-cs-max-width: 100%;
	--cass-cs-field-width: 34rem;
	--cass-cs-gap: 1.35rem;
	--cass-cs-focus-glow: color-mix( in srgb, var( --cass-cs-accent ) 26%, transparent );

	max-width: var(--cass-cs-max-width);
	color: var(--cass-cs-text);
}

.cass-cs *,
.cass-cs *::before,
.cass-cs *::after {
	box-sizing: border-box;
}

/* -------------------------------------------------- Licence box */

.cass-cs-licence__heading {
	margin: 0 0 0.5em;
}

.cass-cs-licence__intro {
	margin: 0 0 1em;
}

.cass-cs-licence__scroll {
	position: relative;
	max-height: var(--cass-cs-licence-height);
	overflow-y: auto;
	overscroll-behavior: contain;
	padding: 1.25rem 2.1rem 1.25rem 1.5rem;
	border: 1px solid var(--cass-cs-border);
	border-radius: var(--cass-cs-radius);
	background: var(--cass-cs-licence-bg);
	color: var(--cass-cs-text);
	font-size: 0.94em;
	line-height: 1.6;

	/*
	 * The native scrollbar is hidden and replaced with the track below. Safari
	 * and macOS Chrome use overlay scrollbars that stay invisible until the
	 * user actually scrolls, which defeats the point of showing that the box
	 * has more content in it.
	 */
	scrollbar-width: none;
	-ms-overflow-style: none;
}

.cass-cs-licence__scroll::-webkit-scrollbar {
	width: 0;
	height: 0;
	display: none;
}

/* The replacement scrollbar. Always visible, and draggable. */
.cass-cs-licence__track {
	position: absolute;
	top: 10px;
	right: 8px;
	bottom: 10px;
	width: 8px;
	border-radius: 999px;
	background: color-mix( in srgb, var( --cass-cs-text ) 10%, transparent );
	opacity: 1;
	pointer-events: auto;
	cursor: pointer;
}

.cass-cs-licence__thumb {
	position: absolute;
	left: 0;
	width: 100%;
	min-height: 28px;
	border-radius: 999px;
	background: var(--cass-cs-accent);
	box-shadow: inset 0 1px 0 rgba( 255, 255, 255, 0.35 );
	transition: filter 0.15s ease;
	cursor: grab;
}

.cass-cs-licence__thumb:hover {
	filter: brightness( 1.12 );
}

.cass-cs-licence__scrollwrap.is-dragging .cass-cs-licence__thumb {
	cursor: grabbing;
	filter: brightness( 1.12 );
}

/* When everything fits, there is nothing to scroll, so the track goes away. */
.cass-cs-licence__scrollwrap.is-complete .cass-cs-licence__track {
	display: none;
}

/* A soft fade at the foot of the box, so it is obvious there is more below. */
.cass-cs-licence {
	position: relative;
}

.cass-cs-licence__fade {
	position: absolute;
	left: 1px;
	right: 20px;
	bottom: 1px;
	height: 2.4rem;
	border-radius: 0 0 var(--cass-cs-radius) var(--cass-cs-radius);
	background: linear-gradient( to bottom, rgba( 255, 255, 255, 0 ), var(--cass-cs-licence-bg) );
	pointer-events: none;
	opacity: 1;
	transition: opacity 0.2s ease;
}

.cass-cs-licence__scrollwrap {
	position: relative;
}

.cass-cs-licence__scrollwrap.is-at-end .cass-cs-licence__fade {
	opacity: 0;
}

/* The box is keyboard-scrollable, so it needs a visible focus ring. */
.cass-cs-licence__scroll:focus-visible {
	outline: 2px solid var(--cass-cs-accent);
	outline-offset: 2px;
}

.cass-cs-licence__scroll h3 {
	margin: 1.4em 0 0.5em;
	font-size: 1.05em;
}

.cass-cs-licence__scroll h3:first-child {
	margin-top: 0;
}

.cass-cs-licence__scroll ul {
	margin: 0 0 1em;
	padding-left: 1.4em;
}

.cass-cs-licence__scroll li {
	margin-bottom: 0.5em;
}

.cass-cs-licence__scroll blockquote {
	margin: 1em 0;
	padding: 0.75em 1em;
	border-left: 3px solid var(--cass-cs-border);
	background: #fff;
	font-size: 0.95em;
}

/* -------------------------------------------------- Form */

.cass-cs-form {
	margin-top: 2rem;
}

.cass-cs-form__intro {
	margin: 0 0 1.25rem;
	font-weight: 600;
}

.cass-cs-field {
	margin-bottom: var(--cass-cs-gap);
}

.cass-cs-licence__scroll,
.cass-cs-licence__scroll p,
.cass-cs-licence__scroll li,
.cass-cs-licence__scroll h3 {
	color: var(--cass-cs-text);
}

.cass-cs-field > label,
.cass-cs-field legend {
	display: block;
	margin-bottom: 0.35rem;
	font-weight: 600;
	line-height: 1.4;
}

.cass-cs-field fieldset {
	margin: 0;
	padding: 0;
	border: 0;
}

.cass-cs-help {
	margin: 0 0 0.45rem;
	color: var(--cass-cs-muted);
	font-size: 0.87em;
	font-weight: 400;
	line-height: 1.45;
}

.cass-cs-required {
	color: var(--cass-cs-accent);
	margin-left: 0.15em;
}

.cass-cs-field input[type="text"],
.cass-cs-field input[type="email"],
.cass-cs-field select,
.cass-cs-field textarea {
	width: 100%;
	max-width: var(--cass-cs-field-width);
	padding: 0.52rem 0.7rem;
	border: 1px solid var(--cass-cs-border);
	border-radius: 7px;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
	background: #fff;
	color: inherit;
	font: inherit;
	line-height: 1.4;
}

.cass-cs-field textarea {
	max-width: 44rem;
	resize: vertical;
}

/* A single soft glow. The browser's own focus ring is suppressed so the two do
   not appear in sequence, which is what caused the black-then-blue flicker. */
.cass-cs-field input:focus,
.cass-cs-field select:focus,
.cass-cs-field textarea:focus,
.cass-cs-field input:focus-visible,
.cass-cs-field select:focus-visible,
.cass-cs-field textarea:focus-visible {
	border-color: var(--cass-cs-accent);
	outline: none;
	box-shadow:
		0 0 0 3px var( --cass-cs-focus-glow ),
		0 1px 2px rgba( 0, 0, 0, 0.04 );
}

.cass-cs-field input:hover:not(:focus),
.cass-cs-field select:hover:not(:focus),
.cass-cs-field textarea:hover:not(:focus) {
	border-color: color-mix( in srgb, var( --cass-cs-accent ) 40%, var( --cass-cs-border ) );
}

.cass-cs-radio,
.cass-cs-agree {
	display: flex;
	align-items: flex-start;
	gap: 0.55rem;
	margin-bottom: 0.5rem;
	font-weight: 400;
	line-height: 1.45;
	cursor: pointer;
}

.cass-cs-radio input,
.cass-cs-agree input {
	flex: 0 0 auto;
	margin-top: 0.25em;
}

.cass-cs-field--agree {
	margin: 1.75rem 0;
	padding: 1rem 1.15rem;
	border: 1px solid var(--cass-cs-border);
	border-left: 3px solid var(--cass-cs-accent);
	border-radius: var(--cass-cs-radius);
	background: #fbfbfc;
}

.cass-cs-field--agree .cass-cs-agree {
	margin-bottom: 0;
	font-weight: 600;
}

/* -------------------------------------------------- Honeypot
   Hidden by offset rather than display:none, which some bots check for. */

.cass-cs-hp {
	position: absolute !important;
	left: -9999px !important;
	width: 1px !important;
	height: 1px !important;
	overflow: hidden !important;
	opacity: 0 !important;
	pointer-events: none !important;
}

/* -------------------------------------------------- Button */

.cass-cs-submit {
	margin: 1.75rem 0 1rem;
}

/* The doubled class raises specificity above theme button rules, which
   otherwise repaint this as an outline button. */
.cass-cs .cass-cs-button.cass-cs-button {
	position: relative;
	display: inline-block;
	padding: 0.85rem 2rem;
	border: 0;
	border-radius: 10px;
	background-color: var(--cass-cs-button-bg);
	color: var(--cass-cs-button-fg);
	font: inherit;
	font-size: 1.02em;
	font-weight: 600;
	letter-spacing: 0.01em;
	line-height: 1.2;
	text-decoration: none;
	cursor: pointer;
	overflow: hidden;
	isolation: isolate;
	transition:
		transform 0.13s cubic-bezier( 0.22, 0.72, 0.28, 1 ),
		box-shadow 0.13s cubic-bezier( 0.22, 0.72, 0.28, 1 ),
		filter 0.18s ease;
}

/* The side wall and the ambient shadow are both mixed from the button's own
   colour rather than black, which is what makes it read as a solid object in
   that colour instead of a flat shape with a drop shadow behind it. */
.cass-cs {
	--cass-cs-btn-side: color-mix( in srgb, var( --cass-cs-button-bg ) 62%, #000 );
	--cass-cs-btn-side-deep: color-mix( in srgb, var( --cass-cs-button-bg ) 44%, #000 );
	--cass-cs-btn-top: color-mix( in srgb, var( --cass-cs-button-bg ) 82%, #fff );
	--cass-cs-btn-glow: color-mix( in srgb, var( --cass-cs-button-bg ) 34%, transparent );
}

/* Small, close to pointer size, rather than a wash across the whole button. */
.cass-cs .cass-cs-button.cass-cs-button::after {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: inherit;
	background: radial-gradient(
		circle 42px at var( --cass-cs-px, 50% ) var( --cass-cs-py, 50% ),
		rgba( 255, 255, 255, 0.34 ),
		rgba( 255, 255, 255, 0.1 ) 45%,
		rgba( 255, 255, 255, 0 ) 72%
	);
	opacity: 0;
	transition: opacity 0.22s ease;
	pointer-events: none;
	z-index: -1;
}

.cass-cs .cass-cs-button.cass-cs-button:hover::after {
	opacity: 1;
}

.cass-cs--btn-raised .cass-cs-button.cass-cs-button,
.cass-cs--btn-pill .cass-cs-button.cass-cs-button {
	background-image: linear-gradient(
		to bottom,
		var( --cass-cs-btn-top ) 0%,
		var( --cass-cs-button-bg ) 52%,
		var( --cass-cs-btn-side ) 100%
	);
	box-shadow:
		/* lit top edge and shaded lower edge of the face itself */
		inset 0 1px 0 rgba( 255, 255, 255, 0.45 ),
		inset 1px 0 0 rgba( 255, 255, 255, 0.12 ),
		inset -1px 0 0 rgba( 0, 0, 0, 0.1 ),
		/* the side wall, in the button's own colour, darkening downwards */
		0 1px 0 var( --cass-cs-btn-side ),
		0 2px 0 var( --cass-cs-btn-side ),
		0 3px 0 var( --cass-cs-btn-side ),
		0 4px 0 var( --cass-cs-btn-side-deep ),
		0 5px 0 var( --cass-cs-btn-side-deep ),
		0 6px 0 var( --cass-cs-btn-side-deep ),
		/* soft contact shadow on the page beneath it */
		0 8px 12px -4px var( --cass-cs-btn-glow ),
		0 12px 22px -8px rgba( 0, 0, 0, 0.28 );
}

.cass-cs--btn-pill .cass-cs-button.cass-cs-button {
	border-radius: 999px;
	padding-left: 2.3rem;
	padding-right: 2.3rem;
}

.cass-cs--btn-flat .cass-cs-button.cass-cs-button {
	border-radius: var(--cass-cs-radius);
	box-shadow: none;
}

/* Hover brightens only. The button does not move until it is pressed. */
.cass-cs .cass-cs-button.cass-cs-button:hover {
	filter: brightness( 1.05 );
	color: var(--cass-cs-button-fg);
}

/* The press travels down the wall, shortening it as it goes so the button
   appears to sink rather than jump. */
.cass-cs--btn-raised .cass-cs-button.cass-cs-button:active,
.cass-cs--btn-pill .cass-cs-button.cass-cs-button:active {
	transform: translateY( 5px );
	background-image: linear-gradient(
		to bottom,
		var( --cass-cs-btn-side ) 0%,
		var( --cass-cs-button-bg ) 60%
	);
	box-shadow:
		inset 0 3px 6px rgba( 0, 0, 0, 0.28 ),
		inset 0 1px 0 rgba( 0, 0, 0, 0.15 ),
		0 1px 0 var( --cass-cs-btn-side-deep ),
		0 2px 4px -2px rgba( 0, 0, 0, 0.3 );
}

.cass-cs--btn-flat .cass-cs-button.cass-cs-button:active {
	filter: brightness( 0.94 );
}

.cass-cs .cass-cs-button.cass-cs-button:focus-visible {
	outline: 3px solid var(--cass-cs-accent);
	outline-offset: 4px;
}

@media ( prefers-reduced-motion: reduce ) {
	.cass-cs .cass-cs-button.cass-cs-button {
		transition: none;
	}

	.cass-cs .cass-cs-button.cass-cs-button:active {
		transform: none;
	}
}

.cass-cs-button:focus-visible {
	outline: 2px solid var(--cass-cs-text);
	outline-offset: 2px;
}

.cass-cs-privacy {
	margin: 0;
	color: var(--cass-cs-muted);
	font-size: 0.85em;
	line-height: 1.5;
}

/* -------------------------------------------------- Notices */

.cass-cs-notice {
	margin: 0 0 1.5rem;
	padding: 1rem 1.25rem;
	border: 1px solid var(--cass-cs-border);
	border-left-width: 4px;
	border-radius: var(--cass-cs-radius);
	background: #fbfbfc;
}

.cass-cs-notice p:first-child {
	margin-top: 0;
}

.cass-cs-notice p:last-child {
	margin-bottom: 0;
}

.cass-cs-notice--error {
	border-left-color: #b32d2e;
	background: #fdf4f4;
}

.cass-cs-notice--error ul {
	margin: 0.5rem 0 0;
	padding-left: 1.3rem;
}

.cass-cs-notice--error li {
	margin-bottom: 0.3rem;
}

.cass-cs-notice--success {
	border-left-color: #2a7d3f;
	background: #f4faf5;
	font-size: 1.05em;
}

.cass-cs-notice--info {
	border-left-color: #2271b1;
	background: #f4f8fb;
}

.cass-cs-notice:focus {
	outline: none;
}

.cass-cs-email-warning {
	margin-top: 1rem;
	padding-top: 0.85rem;
	border-top: 1px solid #cfe0d4;
	font-size: 0.92em;
}

/* -------------------------------------------------- Two-column layout

   Short single-line fields pair up. Textareas, the radio group, the agreement
   box, the button and notices stay full width.                                */

@media (min-width: 720px) {
	.cass-cs--cols-2 .cass-cs-form {
		display: grid;
		grid-template-columns: 1fr 1fr;
		column-gap: 1.75rem;
		align-items: start;
	}

	.cass-cs--cols-2 .cass-cs-field {
		min-width: 0;
	}

	.cass-cs--cols-2 .cass-cs-field input[type="text"],
	.cass-cs--cols-2 .cass-cs-field input[type="email"],
	.cass-cs--cols-2 .cass-cs-field select,
	.cass-cs--cols-2 .cass-cs-field textarea {
		max-width: none;
	}

	.cass-cs--cols-2 .cass-cs-form__intro,
	.cass-cs--cols-2 .cass-cs-field--textarea,
	.cass-cs--cols-2 .cass-cs-field--radio,
	.cass-cs--cols-2 .cass-cs-field--agree,
	.cass-cs--cols-2 .cass-cs-hp,
	.cass-cs--cols-2 .cass-cs-submit,
	.cass-cs--cols-2 .cass-cs-privacy,
	.cass-cs--cols-2 .cass-cs-notice {
		grid-column: 1 / -1;
	}
}

/* -------------------------------------------------- Part spacing

   With separate shortcodes each part sits in its own container, so the
   container controls spacing. Drop margins that would otherwise double up.    */

.cass-cs--licence .cass-cs-licence {
	margin-bottom: 0;
}

.cass-cs--form .cass-cs-form {
	margin-top: 0;
}

.cass-cs--description > *:first-child {
	margin-top: 0;
}

.cass-cs--description > *:last-child {
	margin-bottom: 0;
}

/* -------------------------------------------------- Small screens */

@media (max-width: 600px) {
	.cass-cs-licence__scroll {
		max-height: min(var(--cass-cs-licence-height), 20rem);
		padding: 1rem;
	}

	.cass-cs-button {
		width: 100%;
	}
}


/* -------------------------------------------------- Field-level errors */

.cass-cs-field--invalid > label,
.cass-cs-field--invalid legend {
	color: #b32d2e;
}

.cass-cs-field--invalid input[type="text"],
.cass-cs-field--invalid input[type="email"],
.cass-cs-field--invalid select,
.cass-cs-field--invalid textarea {
	border-color: #b32d2e;
	box-shadow: 0 0 0 1px #b32d2e;
}

/* Sits directly under the control it refers to, with a small pointer up at it,
   so there is no doubt which question is being flagged. */
.cass-cs-error {
	position: relative;
	margin: 0.45rem 0 0;
	padding: 0.4rem 0.7rem;
	max-width: var(--cass-cs-field-width);
	border-radius: 5px;
	background: #fdf0f0;
	color: #b32d2e;
	font-size: 0.86em;
	font-weight: 600;
	line-height: 1.4;
}

.cass-cs-error::before {
	content: "";
	position: absolute;
	top: -5px;
	left: 14px;
	width: 0;
	height: 0;
	border-left: 6px solid transparent;
	border-right: 6px solid transparent;
	border-bottom: 6px solid #fdf0f0;
}

.cass-cs-field--textarea .cass-cs-error {
	max-width: 44rem;
}

.cass-cs-field--agree.cass-cs-field--invalid {
	border-color: #b32d2e;
	border-left-color: #b32d2e;
	background: #fdf4f4;
}


/* -------------------------------------------------- Public statistics */

.cass-cs-stats {
	display: flex;
	flex-wrap: wrap;
	gap: 1px;
	background: var(--cass-cs-border);
	border: 1px solid var(--cass-cs-border);
	border-radius: var(--cass-cs-radius);
	overflow: hidden;
}

.cass-cs-stat {
	flex: 1 1 140px;
	padding: 1.4rem 1.2rem;
	background: #fff;
	text-align: center;
}

.cass-cs-stat__num {
	display: block;
	font-size: 2.1em;
	font-weight: 700;
	line-height: 1.1;
	color: var(--cass-cs-accent);
	letter-spacing: -0.02em;
}

.cass-cs-stat__label {
	display: block;
	margin-top: 0.25rem;
	font-size: 0.82em;
	color: var(--cass-cs-muted);
	text-transform: uppercase;
	letter-spacing: 0.06em;
}


.cass-cs-spamnote {
	margin-top: 0.9rem;
	font-size: 0.9em;
	color: var(--cass-cs-muted);
}


/* -------------------------------------------------- Submitting state */

.cass-cs .cass-cs-button.cass-cs-button:disabled,
.cass-cs .cass-cs-button.cass-cs-button[aria-disabled="true"] {
	cursor: wait;
	filter: grayscale( 0.55 ) brightness( 0.9 );
	opacity: 0.7;
	transform: translateY( 3px );
	box-shadow:
		inset 0 2px 4px rgba( 0, 0, 0, 0.2 ),
		0 1px 0 var( --cass-cs-btn-side-deep );
}

.cass-cs .cass-cs-button.cass-cs-button:disabled::after {
	opacity: 0;
}

.cass-cs-waiting {
	display: flex;
	align-items: flex-start;
	gap: 0.6rem;
	margin: 0.9rem 0 0;
	max-width: 34rem;
	color: var(--cass-cs-muted);
	font-size: 0.9em;
	line-height: 1.5;
}

.cass-cs-waiting::before {
	content: "";
	flex: 0 0 auto;
	width: 15px;
	height: 15px;
	margin-top: 0.15em;
	border: 2px solid var(--cass-cs-border);
	border-top-color: var(--cass-cs-accent);
	border-radius: 50%;
	animation: cass-cs-spin 0.7s linear infinite;
}

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

@media ( prefers-reduced-motion: reduce ) {
	.cass-cs-waiting::before {
		animation: none;
		border-top-color: var(--cass-cs-border);
	}
}

/* The whole form dims while it is in flight. */
.cass-cs-form.is-submitting .cass-cs-field {
	opacity: 0.55;
	pointer-events: none;
}

.cass-cs-repeat {
	margin: 0 0 1rem;
	padding: 0.75rem 1rem;
	border-radius: var(--cass-cs-radius);
	background: rgba( 0, 0, 0, 0.04 );
	font-size: 0.95em;
}