/**
 * Backyard Pool AI — Form Styles
 *
 * Minimal, modern form design. No inline styles in PHP templates.
 *
 * @package Backyard_Pool_AI
 */

/* ============================================================
   CSS Custom Properties
   ============================================================ */
.bpai-form-wrap {
	--bpai-color-bg: #ffffff;
	--bpai-color-border: #e5e7eb;
	--bpai-color-border-focus: #111827;
	--bpai-color-text: #111827;
	--bpai-color-text-secondary: #6b7280;
	--bpai-color-error: #ef4444;
	--bpai-color-error-bg: #fef2f2;
	--bpai-color-accent: #111827;
	--bpai-color-accent-hover: #374151;
	--bpai-radius: 8px;
	--bpai-radius-sm: 4px;
	--bpai-transition: 0.2s ease;
}

/* ============================================================
   Form Wrapper
   ============================================================ */
.bpai-form-wrap {
	max-width: 560px;
	margin: 0 auto;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Split layout: two columns */
.bpai-form-wrap--split {
	display: flex;
	flex-wrap: wrap;
	max-width: 800px;
	padding: 0;
}

.bpai-form-wrap--split .bpai-form-col {
	flex: 1;
	min-width: 280px;
	padding: 32px;
	order: 1;
}

.bpai-form-wrap--split .bpai-image-col {
	flex: 0 0 auto;
	width: 280px;
	order: 2;
	background: #f8f9fa;
	display: flex;
	align-items: stretch;
}

.bpai-form-wrap--split .bpai-form-image {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center top;
}

@media (max-width: 600px) {
	.bpai-form-wrap--split {
		flex-direction: column;
		max-width: 100%;
	}
	.bpai-form-wrap--split .bpai-form-col {
		order: 2;
	}
	.bpai-form-wrap--split .bpai-image-col {
		order: 1;
		width: 100%;
		max-height: 250px;
	}
}

/* ============================================================
   Form Fields
   ============================================================ */
.bpai-form__field {
	margin-bottom: 20px;
}

.bpai-form__label {
	display: block;
	font-size: 14px;
	font-weight: 600;
	color: var(--bpai-color-text);
	margin-bottom: 6px;
}

.bpai-form__required {
	color: var(--bpai-color-error);
	margin-left: 2px;
}

.bpai-form__input {
	display: block;
	width: 100%;
	padding: 12px 14px;
	font-size: 15px;
	font-family: inherit;
	color: var(--bpai-color-text);
	background: var(--bpai-color-bg);
	border: 1.5px solid var(--bpai-color-border);
	border-radius: var(--bpai-radius);
	outline: none;
	transition: border-color var(--bpai-transition), box-shadow var(--bpai-transition);
	box-sizing: border-box;
	-webkit-appearance: none;
	appearance: none;
}

.bpai-form__input:focus {
	border-color: var(--bpai-color-border-focus);
	box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.08);
}

.bpai-form__input::placeholder {
	color: var(--bpai-color-text-secondary);
}

/* Error state */
.bpai-form__field--error .bpai-form__input {
	border-color: var(--bpai-color-error);
}

.bpai-form__field--error .bpai-form__input:focus {
	box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.bpai-form__error {
	display: block;
	font-size: 13px;
	color: var(--bpai-color-error);
	margin-top: 6px;
	min-height: 18px;
}

/* ============================================================
   Dropzone
   ============================================================ */
.bpai-dropzone {
	position: relative;
	border: 2px dashed var(--bpai-color-border);
	border-radius: var(--bpai-radius);
	background: #fafafa;
	cursor: pointer;
	transition: border-color var(--bpai-transition), background var(--bpai-transition);
	min-height: 140px;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
}

.bpai-dropzone:hover,
.bpai-dropzone:focus-within {
	border-color: var(--bpai-color-border-focus);
	background: #f5f5f5;
}

.bpai-dropzone--dragover {
	border-color: var(--bpai-color-accent);
	background: rgba(17, 24, 39, 0.04);
}

.bpai-form__field--error .bpai-dropzone {
	border-color: var(--bpai-color-error);
}

.bpai-dropzone__input {
	position: absolute;
	inset: 0;
	opacity: 0;
	width: 100%;
	height: 100%;
	cursor: pointer;
	z-index: -1;
}

.bpai-dropzone__content {
	text-align: center;
	padding: 24px;
	pointer-events: none;
}

.bpai-dropzone__icon {
	display: flex;
	justify-content: center;
	margin-bottom: 10px;
	color: var(--bpai-color-text-secondary);
}

.bpai-dropzone__text {
	font-size: 15px;
	font-weight: 500;
	color: var(--bpai-color-text);
	margin: 0 0 4px;
}

.bpai-dropzone__hint {
	font-size: 13px;
	color: var(--bpai-color-text-secondary);
	margin: 0;
}

/* ============================================================
   File Preview
   ============================================================ */
.bpai-dropzone__preview {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	padding: 16px;
	width: 100%;
	box-sizing: border-box;
}

.bpai-file-preview-item {
	position: relative;
	width: 80px;
	height: 80px;
	border-radius: var(--bpai-radius-sm);
	overflow: hidden;
	border: 1.5px solid var(--bpai-color-border);
	background: #f5f5f5;
	flex-shrink: 0;
}

.bpai-file-preview-item__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.bpai-file-preview-item__remove {
	position: absolute;
	top: 3px;
	right: 3px;
	width: 20px;
	height: 20px;
	border-radius: 50%;
	background: rgba(0, 0, 0, 0.6);
	color: #fff;
	border: none;
	cursor: pointer;
	font-size: 14px;
	line-height: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0;
	transition: background var(--bpai-transition);
}

.bpai-file-preview-item__remove:hover {
	background: rgba(0, 0, 0, 0.85);
}

.bpai-file-preview-item__name {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	background: rgba(0, 0, 0, 0.5);
	color: #fff;
	font-size: 9px;
	padding: 2px 4px;
	text-overflow: ellipsis;
	overflow: hidden;
	white-space: nowrap;
}

.bpai-file-preview-item--add {
	display: flex;
	align-items: center;
	justify-content: center;
	background: #f0f0f0;
	border: 2px dashed var(--bpai-color-border);
	cursor: pointer;
	color: var(--bpai-color-text-secondary);
	transition: all var(--bpai-transition);
}

.bpai-file-preview-item--add:hover {
	border-color: var(--bpai-color-accent);
	color: var(--bpai-color-accent);
	background: #f5f5f5;
}

/* ============================================================
   Global Error
   ============================================================ */
.bpai-form__global-error {
	padding: 12px 16px;
	background: var(--bpai-color-error-bg);
	border: 1px solid var(--bpai-color-error);
	border-radius: var(--bpai-radius);
	color: var(--bpai-color-error);
	font-size: 14px;
	margin-bottom: 16px;
}

/* ============================================================
   Submit Button
   ============================================================ */
.bpai-form__actions {
	margin-top: 8px;
}

.bpai-form__submit {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	width: 100%;
	padding: 14px 24px;
	font-size: 16px;
	font-weight: 600;
	font-family: inherit;
	color: var(--bpai-color-text) !important;
	background: #f3f4f6 !important;
	border: 1.5px solid #e5e7eb !important;
	border-radius: var(--bpai-radius);
	cursor: pointer;
	transition: all var(--bpai-transition), transform var(--bpai-transition);
	-webkit-appearance: none;
	appearance: none;
}

.bpai-form__submit:hover:not(:disabled) {
	background: var(--bpai-color-accent) !important;
	border-color: var(--bpai-color-accent) !important;
	color: #ffffff !important;
}

.bpai-form__submit:active:not(:disabled) {
	transform: scale(0.99);
}

.bpai-form__submit:disabled {
	opacity: 0.7;
	cursor: not-allowed;
}

.bpai-form__submit-text {
	display: none; /* Hidden — we use submit-label for the visible text */
}

.bpai-form__submit-spinner {
	display: inline-flex;
	align-items: center;
}

/* ============================================================
   Spin Animation
   ============================================================ */
@keyframes bpai-spin {
	from { transform: rotate(0deg); }
	to   { transform: rotate(360deg); }
}

.bpai-spin {
	animation: bpai-spin 0.8s linear infinite;
}

/* ============================================================
   Radio Button Groups (Pool Parameters)
   ============================================================ */
.bpai-form__field--radio {
	margin-bottom: 24px;
}

.bpai-radio-group {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.bpai-radio-option {
	position: relative;
	cursor: pointer;
}

.bpai-radio-option input[type="radio"] {
	position: absolute;
	opacity: 0;
	width: 0;
	height: 0;
}

.bpai-radio-option__label {
	display: inline-block;
	padding: 8px 16px;
	font-size: 14px;
	font-weight: 500;
	color: var(--bpai-color-text);
	background: #fafafa;
	border: 1.5px solid var(--bpai-color-border);
	border-radius: var(--bpai-radius);
	cursor: pointer;
	transition: all var(--bpai-transition);
	user-select: none;
}

.bpai-radio-option input[type="radio"]:checked + .bpai-radio-option__label {
	background: var(--bpai-color-accent);
	color: #ffffff;
	border-color: var(--bpai-color-accent);
}

.bpai-radio-option__label:hover {
	border-color: var(--bpai-color-border-focus);
	background: #f5f5f5;
}

.bpai-radio-option input[type="radio"]:checked + .bpai-radio-option__label:hover {
	background: var(--bpai-color-accent-hover);
	border-color: var(--bpai-color-accent-hover);
}

/* ============================================================
   Responsive
   ============================================================ */
@media ( max-width: 480px ) {
	.bpai-form-wrap {
		padding: 0 4px;
	}

	.bpai-form__input {
		font-size: 16px; /* Prevent iOS zoom */
	}
}