/* ==========================================================================
   Salcombe Quick Purchase — Premium Stylesheet
   ========================================================================== */

/* ── Tokens ────────────────────────────────────────────────────────────── */
:root {
	--sqp-green: #005633;
	--sqp-green-hover: #004428;
	--sqp-green-light: #e8f5ee;
	--sqp-white: #ffffff;
	--sqp-gray-border: #d0d0d0;
	--sqp-gray-bg: #f8f8f8;
	--sqp-text: #1a1a1a;
	--sqp-text-muted: #6b6b6b;
	--sqp-error: #cc0000;
	--sqp-radius-pill: 999px;
	--sqp-radius-chip: 6px;
	--sqp-transition: 0.25s ease;
}

/* ── Wrapper ────────────────────────────────────────────────────────────── */
.sqp-wrapper {
	display: flex;
	flex-direction: column;
	align-items: center;
	font-family: inherit;
	margin: 0.5em 0;
}

.sqp-wrapper--centered {
	display: flex;
	text-align: center;
}

.sqp-wrapper--full {
	display: flex;
	flex-direction: column;
	align-items: center;
	width: 100%;
}

/* ── Trigger Button ──────────────────────────────────────────────────────── */
.sqp-trigger {
	background: var(--sqp-green);
	color: var(--sqp-white);
	font-weight: 700;
	border-radius: var(--sqp-radius-pill);
	border: none;
	padding: 0.75em 2em;
	font-size: 20px;
	cursor: pointer;
	transition: filter var(--sqp-transition), opacity var(--sqp-transition);
	display: flex;
	align-items: center;
	margin: 0 auto;
	gap: 0.5em;
}

.sqp-trigger:hover {
	filter: brightness(0.88);
}

.sqp-trigger:focus-visible {
	outline: 2px solid var(--sqp-green);
	outline-offset: 2px;
}

.sqp-trigger--loading {
	opacity: 0.65;
	cursor: not-allowed;
	pointer-events: none;
}

/* ── Loading Spinner ─────────────────────────────────────────────────────── */
.sqp-spinner {
	display: inline-block;
	width: 16px;
	height: 16px;
	border: 2px solid rgba(255, 255, 255, 0.3);
	border-top-color: #fff;
	border-radius: 50%;
	animation: sqp-spin 0.75s linear infinite;
	vertical-align: middle;
}

.sqp-spinner--hidden {
	display: none;
}

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

/* ── Panel ───────────────────────────────────────────────────────────────── */
.sqp-panel {
	margin: 0.875em auto 0;
	text-align: center;
	padding: 1.25em 1.5em;
	border: 1px solid var(--sqp-gray-border);
	border-radius: 12px;
	background: var(--sqp-gray-bg);
	min-width: 280px;
	max-width: 480px;
	/* Opening animation */
	max-height: 0;
	opacity: 0;
	overflow: hidden;
	pointer-events: none;
	transition: max-height 0.3s ease, opacity 0.25s ease;
}

.sqp-panel.sqp-panel--open {
	max-height: 800px;
	opacity: 1;
	pointer-events: auto;
}

/* Fallback for [hidden] safety */
.sqp-panel[hidden] {
	display: none !important;
	max-height: 0 !important;
	opacity: 0 !important;
}

/* ── Heading ────────────────────────────────────────────────────────────── */
.sqp-heading {
	font-size: 0.9375em;
	font-weight: 700;
	color: var(--sqp-text);
	margin: 0 0 1em;
	display: block;
}

/* ── Attribute Row ──────────────────────────────────────────────────────── */
.sqp-attribute-row {
	display: flex;
	flex-direction: column;
	gap: 0.375em;
	margin-bottom: 0.875em;
}

/* ── Attribute Label ────────────────────────────────────────────────────── */
.sqp-label {
	font-weight: 600;
	font-size: 0.8125em;
	color: var(--sqp-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

/* ── Chip List ──────────────────────────────────────────────────────────── */
.sqp-chip-list {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	align-items: center;
	gap: 0.5em;
	list-style: none;
	padding: 0;
	margin: 0;
}

/* ── Chip Item ──────────────────────────────────────────────────────────── */
.sqp-chip {
	display: inline-flex;
	align-items: center;
	gap: 0.375em;
	padding: 0.45em 1em;
	border: 1.5px solid var(--sqp-gray-border);
	border-radius: var(--sqp-radius-chip);
	font-size: 0.875em;
	font-weight: 500;
	color: var(--sqp-text);
	background: var(--sqp-white);
	cursor: pointer;
	transition: all var(--sqp-transition);
	-webkit-user-select: none;
	user-select: none;
	position: relative;
}

.sqp-chip-input {
	position: absolute;
	opacity: 0;
	width: 0;
	height: 0;
}

.sqp-chip:has(.sqp-chip-input:checked) {
	background: var(--sqp-green);
	border-color: var(--sqp-green);
	color: var(--sqp-white);
}

.sqp-chip:hover {
	border-color: var(--sqp-green);
	color: var(--sqp-green);
}

.sqp-chip:has(.sqp-chip-input:checked):hover {
	color: var(--sqp-white);
}

.sqp-chip:focus-within {
	outline: 2px solid var(--sqp-green);
	outline-offset: 2px;
}

.sqp-chip:has(.sqp-chip-input:disabled) {
	opacity: 0.4;
	cursor: not-allowed;
}

/* ── Chip Thumbnail ─────────────────────────────────────────────────────── */
.sqp-chip-thumb {
	width: 24px;
	height: 24px;
	border-radius: 3px;
	object-fit: cover;
	flex-shrink: 0;
}

/* ── Actions / Confirm Button ───────────────────────────────────────────── */
.sqp-buy-btn {
	background: var(--sqp-green);
	color: var(--sqp-white);
	font-weight: 700;
	border-radius: var(--sqp-radius-pill);
	border: none;
	padding: 0.65em 1.75em;
	font-size: 0.9375em;
	cursor: pointer;
	transition: filter var(--sqp-transition), opacity var(--sqp-transition);
	display: flex;
	align-items: center;
	margin: 20px auto 0;
	gap: 0.5em;
}

.sqp-buy-btn:hover {
	filter: brightness(0.88);
}

.sqp-buy-btn:disabled {
	opacity: 0.35;
	cursor: not-allowed;
	pointer-events: none;
}

/* ── Processing Overlay ─────────────────────────────────────────────────── */
#sqp-processing-overlay {
	display: none;
	position: fixed;
	inset: 0;
	z-index: 99999;
	background: rgba(0, 0, 0, 0.72);
	align-items: center;
	justify-content: center;
}

#sqp-processing-overlay.sqp-overlay--visible {
	display: flex;
}

.sqp-overlay-box {
	background: #fff;
	border-radius: 14px;
	padding: 2.5em 3em;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 1.25em;
	box-shadow: 0 8px 40px rgba(0, 0, 0, 0.22);
	min-width: 220px;
	text-align: center;
}

.sqp-overlay-spinner {
	width: 48px;
	height: 48px;
	border: 4px solid rgba(0, 86, 51, 0.18);
	border-top-color: var(--sqp-green);
	border-radius: 50%;
	animation: sqp-spin 0.85s linear infinite;
	flex-shrink: 0;
}

.sqp-overlay-text {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	font-size: 1em;
	font-weight: 600;
	color: #1a1a1a;
	letter-spacing: 0.01em;
	margin: 0;
}

/* ── Error Message ──────────────────────────────────────────────────────── */
.sqp-message {
	font-size: 0.8125em;
	color: var(--sqp-error);
	min-height: 1.2em;
	margin: 0.25em 0 0;
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
	.sqp-panel {
		max-width: 100%;
		min-width: unset;
	}
	.sqp-chip-list {
		gap: 0.375em;
	}
	.sqp-chip {
		width: calc(50% - 0.1875em);
		justify-content: center;
	}
	.sqp-trigger,
	.sqp-buy-btn {
		width: 100%;
		justify-content: center;
		display: flex;
	}
}

/* ── Reduced Motion ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
	.sqp-panel,
	.sqp-trigger,
	.sqp-buy-btn,
	.sqp-chip,
	.sqp-select {
		transition: none;
	}
	.sqp-spinner,
	.sqp-overlay-spinner {
		animation-duration: 0.01ms;
	}
}