/* UI components, forms: FormField, Check (checkbox, radio), ErrorSummary. Loaded after ui-actions.css.
   Error: icon + text + --bad border (never colour alone). `.is-hover` / `.is-focus` are demo-page mirrors. */
.fld {
	display: grid;
	align-content: start;
	gap: var(--sp-8);
	min-inline-size: 0;
	border: 0;
}

.fld > label:not(.ck),
.fld > legend {
	padding: 0;
	font-family: var(--font-mono);
	font-size: var(--fs-label);
	font-weight: 500;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--fg2);
	transition: color var(--d-fast) var(--ease);
}

:lang(ar) .fld > label:not(.ck),
:lang(ar) .fld > legend {
	font-family: var(--font-ar);
	letter-spacing: 0;
	text-transform: none;
	font-size: var(--fs-s-ar);
}

.fld:focus-within > label:not(.ck),
.fld:focus-within > legend {
	color: var(--acc-t);
}

.fld .opt {
	margin-inline-start: var(--sp-8);
	font-style: normal;
	letter-spacing: 0.06em;
	text-transform: none;
}

.fld-in,
.fld input[type="text"],
.fld input[type="email"],
.fld input[type="tel"],
.fld select,
.fld textarea {
	inline-size: 100%;
	min-block-size: 54px;
	padding: 14px var(--sp-16);
	background: var(--field-bg);
	color: var(--fg);
	border: var(--hairline) solid var(--ln-ctl);
	border-radius: 0;
	font: inherit;
	transition:
		border-color var(--d-fast) var(--ease),
		background var(--d-fast) var(--ease);
	color-scheme: dark;
}

[data-theme="light"] .fld-in,
[data-theme="light"] .fld input,
[data-theme="light"] .fld select,
[data-theme="light"] .fld textarea,
.th-light .fld input,
.th-light .fld select,
.th-light .fld textarea {
	color-scheme: light;
}

.fld textarea {
	min-block-size: 130px;
	resize: vertical;
	line-height: 1.5;
}

.fld select {
	appearance: none;
	padding-inline-end: 44px;
	background-image:
		linear-gradient(45deg, transparent 50%, var(--hi) 50%), linear-gradient(135deg, var(--hi) 50%, transparent 50%);
	background-position:
		calc(100% - 22px) 50%,
		calc(100% - 16px) 50%;
	background-size: 6px 6px;
	background-repeat: no-repeat;
}

html[dir="rtl"] .fld select {
	background-position:
		22px 50%,
		16px 50%;
}

.fld select option {
	background: var(--surface-solid);
	color: var(--fg);
}

.fld input::placeholder,
.fld textarea::placeholder {
	color: var(--fg2);
	opacity: 1;
}

.fld input:hover,
.fld select:hover,
.fld textarea:hover,
.fld .is-hover {
	border-color: var(--hi);
}

.fld input:focus-visible,
.fld select:focus-visible,
.fld textarea:focus-visible,
.fld .is-focus {
	outline: var(--focus-width) solid var(--focus);
	outline-offset: 0;
	border-color: var(--focus);
}

.fld input:disabled,
.fld select:disabled,
.fld textarea:disabled {
	background: transparent;
	border-style: dashed;
	color: var(--fg2);
	cursor: not-allowed;
}

.fld [aria-invalid="true"] {
	border-color: var(--bad);
	background-color: var(--bad-wash);
}

.fld.is-ok input,
.fld.is-ok select,
.fld.is-ok textarea {
	border-color: var(--ok);
}

.fh {
	font-size: var(--fs-s);
	line-height: 1.4;
	color: var(--fg2);
}

.fe,
.fs {
	display: flex;
	align-items: flex-start;
	gap: var(--sp-8);
	font-size: var(--fs-s);
	line-height: 1.4;
}

.fe {
	color: var(--bad-t);
}

.fs {
	color: var(--ok);
}

.fe svg,
.fs svg {
	flex: none;
	inline-size: 16px;
	block-size: 16px;
	margin-block-start: 2px;
}

.fld.is-bad > label:not(.ck),
.fld.is-bad > legend {
	color: var(--bad-t);
}

/* Check: checkbox and radio, 24 px box inside a 44 px target; variants consent, auth, card */
.ck {
	position: relative;
	display: flex;
	align-items: flex-start;
	gap: var(--sp-12);
	min-block-size: 44px;
	cursor: pointer;
	line-height: 1.5;
}

.ck input {
	appearance: none;
	flex: none;
	inline-size: 24px;
	block-size: 24px;
	margin-block: 10px 0;
	background: var(--field-bg);
	border: var(--hairline) solid var(--ln-ctl);
	display: grid;
	place-content: center;
	cursor: inherit;
}

.ck input[type="radio"] {
	border-radius: 50%;
}

.ck input[type="checkbox"] {
	border-radius: var(--radius-control);
}

.ck input::after {
	content: "";
	inline-size: 12px;
	block-size: 12px;
	background: var(--acc);
	transform: scale(0);
	transition: transform var(--d-instant) var(--ease);
}

.ck input[type="radio"]::after {
	border-radius: 50%;
}

.ck input[type="checkbox"]::after {
	clip-path: polygon(14% 52%, 0 66%, 38% 100%, 100% 22%, 86% 8%, 38% 72%);
	inline-size: 16px;
	block-size: 16px;
}

.ck input:checked {
	border-color: var(--acc);
}

.ck input:checked::after {
	transform: scale(1);
}

.ck input:hover,
.ck input.is-hover {
	border-color: var(--hi);
}

.ck input:focus-visible,
.ck input.is-focus {
	outline: var(--focus-width) solid var(--focus);
	outline-offset: var(--focus-offset);
}

.ck input[aria-invalid="true"] {
	border-color: var(--bad);
	background: var(--bad-wash);
}

.ck:has(input:disabled) {
	color: var(--fg2);
	cursor: not-allowed;
}

.ck input:disabled {
	border-style: dashed;
}

.ck small {
	display: block;
	color: var(--fg2);
	font-size: var(--fs-s);
}

.ck-consent {
	font-size: var(--fs-s);
	color: var(--fg2);
}

/* card variant: the whole row is the option */
.ck-card {
	padding: var(--sp-12) var(--sp-16);
	border: var(--hairline) solid var(--ln-ctl);
	min-block-size: 56px;
	transition:
		border-color var(--d-fast) var(--ease),
		background var(--d-fast) var(--ease);
}

.ck-card:hover,
.ck-card:has(input:checked) {
	border-color: var(--hi);
}

.ck-card:has(input:checked) {
	background: var(--hi-wash);
}

/* authorisation: gold box, red on error */
.ck-auth {
	padding: var(--sp-16) var(--sp-24);
	border: var(--hairline) solid var(--gold-500);
	background: var(--hi-wash);
}

.ck-auth:has(input[aria-invalid="true"]) {
	border-color: var(--bad);
	background: var(--bad-wash);
}

/* ErrorSummary: role=alert, one link per problem */
.fsum {
	display: grid;
	gap: var(--sp-8);
	padding: var(--sp-16) var(--sp-24);
	border: var(--hairline) solid var(--bad);
	background: var(--bad-wash);
}

.fsum[hidden] {
	display: none;
}

.fsum:focus {
	outline: var(--focus-width) solid var(--focus);
	outline-offset: var(--focus-offset);
}

.fsum ul {
	display: grid;
	gap: var(--sp-4);
	list-style: none;
}

.fsum a {
	color: var(--bad-t);
	text-decoration: underline;
	text-underline-offset: 3px;
	display: inline-block;
	padding-block: var(--sp-4);
}