@use '../styles/mixins';

.modula-admin-field {
	display: flex;
	flex-direction: column;
	gap: 6px;
	width: var(--modula-admin-field-width);
	max-width: 100%;

	&.is-full {
		width: 100%;
	}
}

.modula-admin-field__error {
	margin: 0;
	color: var(--modula-admin-danger);
	font-size: var(--modula-admin-text-help);
	line-height: 1.45;
}

// WP 7.1 gives text inputs a 40px min-height, which a smaller
// `--modula-admin-control-height` (the editor's 32px) must undo.
.modula-admin-text-input {
	@include mixins.field;
	width: 100%;
	height: var(--modula-admin-control-height);
	min-height: 0;
}

.modula-admin-textarea {
	@include mixins.field;
	width: 100%;
	min-height: 104px;
	padding: 10px 12px;
	resize: vertical;
}

// The design's chevron. wp-admin's `.wp-core-ui select` and
// `select:disabled` both set their own arrow, so it is restated wherever
// wp-admin would override it. A mixin, not a placeholder: it must follow
// the field's `background` shorthand in the same rule, which an extended
// placeholder (emitted earlier) loses to.
@mixin select-chevron {
	background-image:
		linear-gradient(45deg, transparent 50%, var(--modula-admin-ink-soft) 50%),
		linear-gradient(135deg, var(--modula-admin-ink-soft) 50%, transparent 50%);
	background-position:
		calc(100% - 19px) 55%,
		calc(100% - 14px) 55%;
	background-size: 5px 5px, 5px 5px;
	background-repeat: no-repeat;
}

// A unit after a number reads as muted text in a 4px inset, whether it is
// fixed (UnitInput) or a menu (Range's unit box), so the number keeps its
// place either way.
@mixin unit-text {
	padding: 2px 4px;
	color: var(--modula-admin-ink-soft);
	font-family: inherit;
	font-size: var(--modula-admin-text-control);
	line-height: 1.4;
}

// The unit menu's button after a number: plain dotted-underlined text.
.modula-admin-unit-select {
	@include unit-text;
	min-height: 24px;
	margin: 0;
	border: 0;
	border-radius: var(--modula-admin-radius-sm);
	background: none;
	box-shadow: none;
	text-decoration: underline dotted;
	text-underline-offset: 3px;
	cursor: pointer;

	&:focus {
		box-shadow: none;
		color: var(--modula-admin-ink);
	}

	&:focus-visible {
		@include mixins.focus-ring;
		outline-offset: 1px;
	}

	&:disabled {
		background: none;
		cursor: default;
	}

	&:hover:not(:disabled) {
		background: var(--modula-admin-surface-segment);
		color: var(--modula-admin-ink);
	}
}

// Number and unit in one bordered field (UnitInput). The box takes the
// field look; the number inside is unstyled.
.modula-admin-unit-input {
	@include mixins.field;
	display: flex;
	align-items: center;
	gap: 4px;
	width: 100%;
	height: var(--modula-admin-control-height);
	padding-right: 6px;

	&:focus-within {
		@include mixins.field-focus;
	}

	&.is-invalid {
		border-color: var(--modula-admin-danger);
	}

	&.is-disabled {
		opacity: var(--modula-admin-disabled-opacity);
	}
}

.modula-admin-unit-input__unit {
	@include unit-text;
	flex: none;
}

.modula-admin-unit-input__number {
	flex: 1 1 auto;
	min-width: 0;
	height: 100%;
	// WP 7.1's 40px text-input min-height, as on `.modula-admin-text-input`.
	min-height: 0;
	margin: 0;
	padding: 0;
	border: 0;
	background: none;
	box-shadow: none;
	color: inherit;
	font: inherit;
	font-variant-numeric: tabular-nums;

	&:focus {
		outline: none;
		box-shadow: none;
	}

	&:disabled {
		background: none;
		color: inherit;
	}
}

.modula-admin-select {
	@include mixins.field;
	@include select-chevron;
	width: 100%;
	max-width: none;
	height: var(--modula-admin-control-height);
	padding-right: 34px;
	appearance: none;

	// wp-admin colors selects blue on hover; keep the ink color.
	&:hover {
		color: var(--modula-admin-ink);
	}

	&:disabled {
		@include select-chevron;
	}
}