/* =========================================================
   Ultimate Unit Price Calculator — styles
   All rules are scoped under .uupc-wrap so the plugin never
   leaks styles into the active theme.
   ========================================================= */

.uupc-wrap {
	--uupc-primary: #2563eb;
	--uupc-primary-dark: #1d4ed8;
	--uupc-success: #16a34a;
	--uupc-success-bg: #ecfdf5;
	--uupc-danger: #dc2626;
	--uupc-danger-bg: #fef2f2;
	--uupc-warning-bg: #fffbeb;
	--uupc-warning-border: #f59e0b;
	--uupc-text: #1f2937;
	--uupc-muted: #6b7280;
	--uupc-border: #e5e7eb;
	--uupc-bg-card: #ffffff;
	--uupc-bg-soft: #f9fafb;
	--uupc-radius: 14px;
	--uupc-radius-sm: 8px;
	--uupc-shadow: 0 1px 2px rgba(16,24,40,0.05), 0 4px 14px rgba(16,24,40,0.06);
	--uupc-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";

	box-sizing: border-box;
	font-family: var(--uupc-font);
	color: var(--uupc-text);
	max-width: 980px;
	margin: 0 auto;
	line-height: 1.5;
	font-size: 15px;
}

.uupc-wrap *,
.uupc-wrap *::before,
.uupc-wrap *::after {
	box-sizing: border-box;
}

.uupc-wrap [hidden] {
	display: none !important;
}

/* ---------- Header ---------- */
.uupc-header {
	text-align: center;
	padding: 32px 16px 20px;
}

.uupc-title {
	font-size: clamp(24px, 4vw, 32px);
	font-weight: 800;
	margin: 0 0 8px;
	color: var(--uupc-text);
}

.uupc-subtitle {
	margin: 0 auto 18px;
	max-width: 620px;
	color: var(--uupc-muted);
	font-size: 15px;
}

.uupc-badges {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 10px;
	margin: 0;
	padding: 0;
}

.uupc-badge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	background: var(--uupc-bg-soft);
	border: 1px solid var(--uupc-border);
	color: var(--uupc-muted);
	padding: 6px 12px;
	border-radius: 999px;
	font-size: 12.5px;
	font-weight: 600;
}

.uupc-icon {
	width: 16px;
	height: 16px;
	flex-shrink: 0;
	color: var(--uupc-primary);
}

/* ---------- Ad slots ---------- */
.uupc-ad-slot {
	max-width: 100%;
	overflow: hidden;
	margin: 20px 0;
	text-align: center;
}

.uupc-ad-slot:empty {
	margin: 0;
	padding: 0;
	border: none;
}

/* ---------- Tabs ---------- */
.uupc-tabs {
	display: flex;
	gap: 6px;
	border-bottom: 1px solid var(--uupc-border);
	margin: 0 0 20px;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

.uupc-tab {
	appearance: none;
	background: none;
	border: none;
	border-bottom: 2px solid transparent;
	padding: 12px 16px;
	font-size: 14.5px;
	font-weight: 600;
	color: var(--uupc-muted);
	cursor: pointer;
	white-space: nowrap;
	font-family: inherit;
}

.uupc-tab:hover {
	color: var(--uupc-text);
}

.uupc-tab.is-active {
	color: var(--uupc-primary);
	border-bottom-color: var(--uupc-primary);
}

.uupc-tab:focus-visible,
.uupc-btn:focus-visible,
.uupc-input:focus-visible,
.uupc-select:focus-visible,
.uupc-accordion-btn:focus-visible {
	outline: 2px solid var(--uupc-primary);
	outline-offset: 2px;
}

.uupc-panel {
	animation: uupc-fade .15s ease-out;
}

@keyframes uupc-fade {
	from { opacity: 0; transform: translateY(2px); }
	to { opacity: 1; transform: translateY(0); }
}

/* ---------- Toolbar / fields ---------- */
.uupc-toolbar {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	gap: 14px;
	margin-bottom: 18px;
}

.uupc-field {
	display: flex;
	flex-direction: column;
	gap: 6px;
	margin-bottom: 14px;
}

.uupc-field-inline {
	margin-bottom: 0;
	min-width: 170px;
}

.uupc-field label {
	font-size: 13px;
	font-weight: 600;
	color: var(--uupc-text);
}

.uupc-optional {
	font-weight: 400;
	color: var(--uupc-muted);
}

.uupc-input,
.uupc-select {
	width: 100%;
	font-family: inherit;
	font-size: 14.5px;
	padding: 10px 12px;
	border-radius: var(--uupc-radius-sm);
	border: 1px solid var(--uupc-border);
	background: #fff;
	color: var(--uupc-text);
	min-height: 42px;
}

.uupc-input:focus,
.uupc-select:focus {
	border-color: var(--uupc-primary);
}

.uupc-inline-group {
	display: flex;
	gap: 8px;
}

.uupc-inline-group .uupc-input {
	flex: 1 1 auto;
}

.uupc-inline-group .uupc-select {
	flex: 0 0 130px;
}

.uupc-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 14px 16px;
}

@media (max-width: 640px) {
	.uupc-grid {
		grid-template-columns: 1fr;
	}
}

/* ---------- Buttons ---------- */
.uupc-btn {
	appearance: none;
	font-family: inherit;
	font-size: 14.5px;
	font-weight: 600;
	border-radius: var(--uupc-radius-sm);
	padding: 11px 18px;
	cursor: pointer;
	border: 1px solid transparent;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	min-height: 42px;
	transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}

.uupc-btn-primary {
	background: var(--uupc-primary);
	color: #fff;
}

.uupc-btn-primary:hover {
	background: var(--uupc-primary-dark);
}

.uupc-btn-secondary {
	background: #fff;
	color: var(--uupc-primary);
	border-color: var(--uupc-primary);
	width: 100%;
	justify-content: center;
}

.uupc-btn-secondary:hover {
	background: #eff6ff;
}

.uupc-btn-ghost {
	background: var(--uupc-bg-soft);
	color: var(--uupc-text);
	border-color: var(--uupc-border);
}

.uupc-btn-ghost:hover {
	background: #f3f4f6;
}

.uupc-btn-text {
	background: transparent;
	color: var(--uupc-muted);
}

.uupc-btn-text:hover {
	color: var(--uupc-text);
}

.uupc-btn-small {
	padding: 7px 12px;
	min-height: 34px;
	font-size: 13px;
}

.uupc-btn-danger-outline {
	background: #fff;
	color: var(--uupc-danger);
	border-color: #fca5a5;
}

.uupc-actions-row {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	align-items: center;
	margin: 18px 0;
}

/* ---------- Product cards ---------- */
.uupc-products {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 16px;
	margin-bottom: 16px;
}

.uupc-product-card {
	background: var(--uupc-bg-card);
	border: 1px solid var(--uupc-border);
	border-radius: var(--uupc-radius);
	padding: 18px;
	box-shadow: var(--uupc-shadow);
	position: relative;
}

.uupc-product-card-head {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 12px;
}

.uupc-product-label {
	font-weight: 700;
	font-size: 13px;
	color: var(--uupc-primary);
	text-transform: uppercase;
	letter-spacing: .04em;
}

.uupc-remove-product {
	background: none;
	border: none;
	color: var(--uupc-muted);
	cursor: pointer;
	padding: 4px;
	border-radius: 6px;
	display: inline-flex;
}

.uupc-remove-product:hover {
	color: var(--uupc-danger);
	background: var(--uupc-danger-bg);
}

.uupc-product-card .uupc-field {
	margin-bottom: 10px;
}

.uupc-product-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
}

.uupc-discount-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
	align-items: end;
}

.uupc-card {
	background: var(--uupc-bg-card);
	border: 1px solid var(--uupc-border);
	border-radius: var(--uupc-radius);
	padding: 20px;
	box-shadow: var(--uupc-shadow);
}

.uupc-card-title {
	margin: 0 0 14px;
	font-size: 17px;
}

.uupc-planned-purchase {
	background: var(--uupc-bg-soft);
	border: 1px dashed var(--uupc-border);
	border-radius: var(--uupc-radius);
	padding: 14px 16px;
	margin-bottom: 6px;
}

/* ---------- Inline errors / warnings ---------- */
.uupc-inline-error {
	color: var(--uupc-danger);
	background: var(--uupc-danger-bg);
	border: 1px solid #fecaca;
	border-radius: var(--uupc-radius-sm);
	padding: 10px 14px;
	font-size: 13.5px;
	margin: 10px 0;
}

.uupc-inline-warning {
	color: #92400e;
	background: var(--uupc-warning-bg);
	border: 1px solid var(--uupc-warning-border);
	border-radius: var(--uupc-radius-sm);
	padding: 10px 14px;
	font-size: 13.5px;
	margin: 10px 0;
}

.uupc-field-error {
	font-size: 12px;
	color: var(--uupc-danger);
	margin-top: -6px;
}

.uupc-input.is-invalid,
.uupc-select.is-invalid {
	border-color: var(--uupc-danger);
}

/* ---------- Results ---------- */
.uupc-results {
	margin-top: 8px;
}

.uupc-best-card {
	background: linear-gradient(135deg, #ecfdf5, #f0fdf4);
	border: 1px solid #bbf7d0;
	border-radius: var(--uupc-radius);
	padding: 22px;
	text-align: center;
	margin-bottom: 20px;
}

.uupc-best-trophy {
	font-size: 26px;
	display: block;
	margin-bottom: 4px;
}

.uupc-best-label {
	font-size: 12.5px;
	font-weight: 700;
	letter-spacing: .06em;
	text-transform: uppercase;
	color: var(--uupc-success);
	margin-bottom: 6px;
}

.uupc-best-name {
	font-size: 21px;
	font-weight: 800;
	margin: 0 0 4px;
}

.uupc-best-price {
	font-size: 17px;
	color: var(--uupc-success);
	font-weight: 700;
	margin-bottom: 10px;
}

.uupc-best-meta {
	color: var(--uupc-muted);
	font-size: 13.5px;
}

.uupc-savings-list {
	list-style: none;
	margin: 0 0 20px;
	padding: 0;
	display: grid;
	gap: 10px;
}

.uupc-savings-item {
	background: var(--uupc-bg-soft);
	border: 1px solid var(--uupc-border);
	border-radius: var(--uupc-radius-sm);
	padding: 12px 14px;
	font-size: 13.5px;
	display: flex;
	justify-content: space-between;
	gap: 10px;
	flex-wrap: wrap;
}

.uupc-savings-item strong {
	color: var(--uupc-text);
}

.uupc-table-wrap {
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
	border: 1px solid var(--uupc-border);
	border-radius: var(--uupc-radius);
	margin-bottom: 20px;
}

.uupc-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 13.5px;
	min-width: 620px;
}

.uupc-table th,
.uupc-table td {
	padding: 11px 14px;
	text-align: left;
	border-bottom: 1px solid var(--uupc-border);
	white-space: nowrap;
}

.uupc-table th {
	background: var(--uupc-bg-soft);
	font-weight: 700;
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: .03em;
	color: var(--uupc-muted);
}

.uupc-table tr:last-child td {
	border-bottom: none;
}

.uupc-table tr.is-best td {
	background: var(--uupc-success-bg);
	font-weight: 600;
}

.uupc-pill {
	display: inline-block;
	padding: 3px 9px;
	border-radius: 999px;
	font-size: 11.5px;
	font-weight: 700;
}

.uupc-pill-best {
	background: var(--uupc-success);
	color: #fff;
}

.uupc-planned-savings {
	background: #eff6ff;
	border: 1px solid #bfdbfe;
	border-radius: var(--uupc-radius-sm);
	padding: 14px 16px;
	margin-bottom: 20px;
	font-size: 14px;
}

.uupc-result-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 10px;
}

/* ---------- Simple calc / reverse result boxes ---------- */
.uupc-calc-results {
	margin-top: 16px;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
	gap: 12px;
}

.uupc-result-box {
	background: var(--uupc-bg-soft);
	border: 1px solid var(--uupc-border);
	border-radius: var(--uupc-radius-sm);
	padding: 14px;
	text-align: center;
}

.uupc-result-box .uupc-result-value {
	font-size: 19px;
	font-weight: 800;
	color: var(--uupc-primary);
	display: block;
	margin-bottom: 2px;
}

.uupc-result-box .uupc-result-label {
	font-size: 12px;
	color: var(--uupc-muted);
}

/* ---------- History ---------- */
.uupc-history {
	margin-top: 26px;
	border-top: 1px solid var(--uupc-border);
	padding-top: 18px;
}

.uupc-history-head {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 12px;
}

.uupc-history-head h3 {
	margin: 0;
	font-size: 16px;
}

.uupc-history-note {
	margin: 4px 0 0;
	font-size: 12.5px;
	color: var(--uupc-muted);
}

.uupc-history-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 8px;
}

.uupc-history-item {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 10px;
	background: var(--uupc-bg-soft);
	border: 1px solid var(--uupc-border);
	border-radius: var(--uupc-radius-sm);
	padding: 10px 12px;
	font-size: 13px;
}

.uupc-history-item .uupc-history-actions {
	display: flex;
	gap: 6px;
	flex-shrink: 0;
}

.uupc-history-empty {
	color: var(--uupc-muted);
	font-size: 13.5px;
}

/* ---------- SEO / FAQ ---------- */
.uupc-seo,
.uupc-faq {
	margin-top: 36px;
	padding-top: 24px;
	border-top: 1px solid var(--uupc-border);
}

.uupc-seo h3,
.uupc-faq h3 {
	font-size: 18px;
	margin: 22px 0 8px;
}

.uupc-seo h3:first-child {
	margin-top: 0;
}

.uupc-seo p,
.uupc-seo li {
	color: #374151;
	font-size: 14.5px;
}

.uupc-formula {
	font-weight: 700;
	background: var(--uupc-bg-soft);
	display: inline-block;
	padding: 8px 14px;
	border-radius: var(--uupc-radius-sm);
	border: 1px solid var(--uupc-border);
}

.uupc-list {
	padding-left: 20px;
	margin: 8px 0;
}

.uupc-accordion-item {
	border-bottom: 1px solid var(--uupc-border);
}

.uupc-accordion-item h4 {
	margin: 0;
}

.uupc-accordion-btn {
	width: 100%;
	text-align: left;
	background: none;
	border: none;
	font-family: inherit;
	font-size: 14.5px;
	font-weight: 600;
	padding: 14px 4px;
	cursor: pointer;
	color: var(--uupc-text);
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 10px;
}

.uupc-accordion-btn::after {
	content: "+";
	font-size: 18px;
	color: var(--uupc-muted);
	flex-shrink: 0;
}

.uupc-accordion-btn[aria-expanded="true"]::after {
	content: "−";
}

.uupc-accordion-panel {
	padding: 0 4px 16px;
	color: #374151;
	font-size: 14px;
}

/* ---------- Toast ---------- */
.uupc-toast {
	position: fixed;
	left: 50%;
	bottom: 24px;
	transform: translateX(-50%) translateY(20px);
	background: #111827;
	color: #fff;
	padding: 12px 20px;
	border-radius: var(--uupc-radius-sm);
	font-size: 13.5px;
	box-shadow: 0 8px 24px rgba(0,0,0,0.2);
	opacity: 0;
	pointer-events: none;
	transition: opacity .2s ease, transform .2s ease;
	z-index: 99999;
	max-width: 90vw;
}

.uupc-toast.is-visible {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
}

/* ---------- Modal ---------- */
.uupc-modal-overlay {
	position: fixed;
	inset: 0;
	background: rgba(17,24,39,0.5);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 99998;
	padding: 20px;
}

.uupc-modal {
	background: #fff;
	border-radius: var(--uupc-radius);
	padding: 22px;
	max-width: 360px;
	width: 100%;
	box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}

.uupc-modal p {
	margin: 0 0 18px;
	font-size: 14.5px;
}

.uupc-modal-actions {
	display: flex;
	justify-content: flex-end;
	gap: 10px;
}

/* ---------- Responsive tweaks ---------- */
@media (max-width: 480px) {
	.uupc-header {
		padding: 22px 10px 14px;
	}

	.uupc-tab {
		padding: 10px 12px;
		font-size: 13.5px;
	}

	.uupc-product-row,
	.uupc-discount-row {
		grid-template-columns: 1fr;
	}

	.uupc-btn {
		width: 100%;
		justify-content: center;
	}

	.uupc-actions-row {
		flex-direction: column;
		align-items: stretch;
	}

	.uupc-result-actions {
		flex-direction: column;
		align-items: stretch;
	}

	.uupc-toolbar {
		flex-direction: column;
		align-items: stretch;
	}
}