/* Smart Product Filter */
:root {
	--spf-accent: #4a9ee8;
	--spf-text: #333;
	--spf-muted: #888;
	--spf-line: #e2e2e2;
	--spf-bg: #fff;
	--spf-width: 440px;
	--spf-gutter: 28px;
}

/* ---------- "Show Filters" button ---------- */
.spf-bar { margin: 0 0 1.25em; }

.spf-open-btn {
	all: unset;
	box-sizing: border-box;
	display: inline-flex;
	align-items: center;
	gap: 18px;
	padding: 8px 4px;
	cursor: pointer;
	font: inherit;
	font-weight: 600;
	font-size: 1.05em;
	letter-spacing: .02em;
	text-transform: uppercase;
	color: var(--spf-accent);
	white-space: nowrap;
	-webkit-tap-highlight-color: transparent;
}
.spf-open-btn:focus-visible { outline: 2px solid var(--spf-accent); outline-offset: 4px; border-radius: 4px; }
.spf-open-btn:hover .spf-open-text { text-decoration: underline; text-underline-offset: 4px; }

.spf-burger { position: relative; display: inline-block; width: 30px; height: 20px; flex: none; }
.spf-burger i {
	position: absolute; left: 0; height: 2.5px; border-radius: 2px;
	background: var(--spf-text);
	transition: transform .3s ease, top .3s ease, width .3s ease, opacity .2s ease;
}
.spf-burger i:nth-child(1) { top: 1px;  width: 100%; }
.spf-burger i:nth-child(2) { top: 9px;  width: 100%; }
.spf-burger i:nth-child(3) { top: 17px; width: 62%; }
.spf-open-btn.is-active .spf-burger i:nth-child(1) { top: 9px; transform: rotate(45deg); }
.spf-open-btn.is-active .spf-burger i:nth-child(2) { opacity: 0; }
.spf-open-btn.is-active .spf-burger i:nth-child(3) { top: 9px; width: 100%; transform: rotate(-45deg); }

.spf-badge {
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 22px; height: 22px; padding: 0 6px; border-radius: 11px;
	background: var(--spf-accent); color: #fff;
	font-size: 12px; line-height: 1; letter-spacing: 0;
}
.spf-badge[hidden] { display: none; }

/* ---------- overlay + panel ---------- */
.spf-overlay {
	position: fixed; inset: 0; z-index: 1000000;
	background: rgba(0, 0, 0, .62);
	opacity: 0; visibility: hidden;
	transition: opacity .3s ease, visibility .3s;
}
.spf-panel {
	position: fixed; top: 0; bottom: 0; left: 0; z-index: 1000001;
	width: min(var(--spf-width), 92vw);
	display: flex; flex-direction: column;
	background: var(--spf-bg); color: var(--spf-text);
	box-shadow: 0 0 40px rgba(0, 0, 0, .2);
	transform: translateX(-105%);
	transition: transform .38s cubic-bezier(.2, .7, .2, 1);
	outline: none;
}
.spf-panel.spf-pos-right { left: auto; right: 0; transform: translateX(105%); }

body.spf-is-open { overflow: hidden; }
body.spf-is-open .spf-overlay { opacity: 1; visibility: visible; }
body.spf-is-open .spf-panel { transform: none; }

.admin-bar .spf-panel { top: 32px; }
@media (max-width: 782px) { .admin-bar .spf-panel { top: 46px; } }

/* loading bar on top of the panel */
.spf-panel::before {
	content: ""; position: absolute; top: 0; left: 0; height: 3px; width: 0;
	background: var(--spf-accent); opacity: 0;
}
body.spf-loading .spf-panel::before { opacity: 1; animation: spf-progress 1.2s ease-in-out infinite; }
@keyframes spf-progress { 0% { width: 0; left: 0; } 50% { width: 60%; left: 20%; } 100% { width: 0; left: 100%; } }

.spf-head {
	display: flex; align-items: flex-end; justify-content: space-between; gap: 16px;
	padding: 26px var(--spf-gutter) 18px;
	border-bottom: 1px solid #d6d6d6;
}
.spf-title { margin: 0; font-size: 2rem; font-weight: 400; line-height: 1.1; color: var(--spf-text); }
.spf-close {
	all: unset; cursor: pointer;
	display: inline-flex; align-items: center; gap: 6px;
	color: #999; font-size: 1rem;
}
.spf-close:hover { color: var(--spf-text); }
.spf-close:focus-visible { outline: 2px solid var(--spf-accent); outline-offset: 3px; }

.spf-body {
	flex: 1; overflow-y: auto; overscroll-behavior: contain;
	padding: 0 var(--spf-gutter) var(--spf-gutter);
}
.spf-foot { padding: 14px var(--spf-gutter); border-top: 1px solid var(--spf-line); }
.spf-foot:has(.spf-reset[hidden]) { display: none; }
.spf-reset { color: var(--spf-accent); text-decoration: none; font-weight: 600; }
.spf-reset:hover { text-decoration: underline; }
.spf-reset[hidden] { display: none; }

/* ---------- groups ---------- */
.spf-group { margin-top: 30px; }
.spf-group-title {
	margin: 0 0 20px; padding: 0 0 14px;
	border-bottom: 1px solid var(--spf-line);
	font-size: 1rem; font-weight: 700; color: #555; letter-spacing: .01em;
}

.spf-item { color: inherit; text-decoration: none !important; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.spf-item:focus-visible { outline: 2px solid var(--spf-accent); outline-offset: 3px; border-radius: 4px; }
.spf-panel .screen-reader-text {
	position: absolute !important; width: 1px; height: 1px; overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px); white-space: nowrap;
}

/* color swatches */
.spf-type-color .spf-items {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
	gap: 16px 14px;
}
.spf-type-color .spf-item { position: relative; display: block; padding-top: 4px; }
.spf-dot {
	display: block; width: 100%; max-width: 44px; aspect-ratio: 1; margin: 0 auto;
	border-radius: 50%;
	box-shadow: 0 1px 4px rgba(0, 0, 0, .18), inset 0 0 0 1px rgba(0, 0, 0, .04);
	transition: transform .18s ease, box-shadow .18s ease;
}
.spf-type-color .spf-item:hover .spf-dot { transform: scale(1.08); }
.spf-type-color .spf-item.is-selected .spf-dot {
	box-shadow: 0 0 0 3px #fff, 0 0 0 5px var(--spf-text);
}
.spf-type-color .spf-count {
	position: absolute; top: -4px; left: -2px;
	min-width: 18px; height: 18px; padding: 0 4px; border-radius: 9px;
	display: inline-flex; align-items: center; justify-content: center;
	background: #ececec; color: #666; font-size: 10px; line-height: 1;
	box-shadow: 0 0 0 2px #fff;
}

/* image + name (flags) */
.spf-type-image .spf-items { display: flex; flex-direction: column; gap: 10px; }
.spf-type-image .spf-item { display: flex; align-items: center; gap: 14px; font-size: 1.05rem; }
.spf-img { flex: none; width: 56px; height: 30px; display: block; overflow: hidden; box-shadow: 0 0 0 1px rgba(0, 0, 0, .06); transition: box-shadow .18s; }
.spf-img img { width: 100%; height: 100%; object-fit: cover; display: block; margin: 0; }
.spf-img-empty { display: block; width: 100%; height: 100%; background: #eee; }
.spf-type-image .spf-item:hover .spf-name { color: var(--spf-accent); }
.spf-type-image .spf-item.is-selected .spf-img { box-shadow: 0 0 0 2px var(--spf-accent); }
.spf-type-image .spf-item.is-selected .spf-name { color: var(--spf-accent); font-weight: 600; }

/* checkboxes, 2 columns */
.spf-type-checkbox .spf-items { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 20px; }
.spf-type-checkbox .spf-item { display: flex; align-items: center; gap: 12px; color: #555; }
.spf-box {
	position: relative; flex: none; width: 20px; height: 20px;
	border: 1px solid #b9b9b9; border-radius: 2px; background: #fff;
	transition: background .15s, border-color .15s;
}
.spf-type-checkbox .spf-item:hover .spf-box { border-color: var(--spf-text); }
.spf-type-checkbox .spf-item.is-selected .spf-box { background: var(--spf-text); border-color: var(--spf-text); }
.spf-type-checkbox .spf-item.is-selected .spf-box::after {
	content: ""; position: absolute; left: 6px; top: 2px; width: 5px; height: 10px;
	border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.spf-type-checkbox .spf-item.is-selected { color: var(--spf-text); }

/* plain list */
.spf-type-list .spf-items { display: flex; flex-direction: column; gap: 8px; }
.spf-type-list .spf-item:hover .spf-name,
.spf-type-list .spf-item.is-selected .spf-name { color: var(--spf-accent); }
.spf-type-list .spf-item.is-selected .spf-name { font-weight: 600; }

/* counts for non-color types */
.spf-type-image .spf-count,
.spf-type-checkbox .spf-count,
.spf-type-list .spf-count { color: var(--spf-muted); font-size: .85em; }
.spf-type-image .spf-count::before,
.spf-type-checkbox .spf-count::before,
.spf-type-list .spf-count::before { content: "("; }
.spf-type-image .spf-count::after,
.spf-type-checkbox .spf-count::after,
.spf-type-list .spf-count::after { content: ")"; }

/* ---------- products while loading ---------- */
body.spf-loading [data-spf-slot="products"],
body.spf-loading ul.products {
	opacity: .35; pointer-events: none; transition: opacity .2s;
}

@media (max-width: 480px) {
	:root { --spf-gutter: 20px; }
	.spf-title { font-size: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
	.spf-panel, .spf-overlay, .spf-burger i, .spf-dot { transition: none; }
}