.sn-vec {
	--sn-border: #d5dae1;
	--sn-border-strong: #0b5fff;
	--sn-bg: #f7f9fc;
	--sn-bg-2: #eef2f7;
	--sn-text: #1a1f2b;
	--sn-muted: #5b6577;
	--sn-error: #b3261e;
	--sn-ok: #1b8754;
	--sn-radius: 12px;

	max-width: 1000px;
	margin: 2rem auto;
	padding: 1.25rem;
	color: var(--sn-text);
	font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	border: 1px solid var(--sn-border);
	border-radius: var(--sn-radius);
	background: #fff;
}

.sn-vec__heading {
	margin: 0 0 0.25rem;
	font-size: 1.5rem;
	font-weight: 700;
}

.sn-vec__sub {
	margin: 0 0 1rem;
	color: var(--sn-muted);
	font-size: 0.95rem;
}

/* Drop zone */
.sn-vec__drop {
	border: 2px dashed var(--sn-border);
	border-radius: var(--sn-radius);
	padding: 2.5rem 1rem;
	text-align: center;
	cursor: pointer;
	background: var(--sn-bg);
	transition: border-color 120ms, background 120ms;
}

.sn-vec__drop:hover,
.sn-vec__drop:focus,
.sn-vec__drop--over {
	border-color: var(--sn-border-strong);
	background: #eef4ff;
	outline: none;
}

.sn-vec__drop-inner strong {
	display: block;
	font-size: 1.1rem;
	margin-bottom: 0.25rem;
}

.sn-vec__drop-inner span {
	color: var(--sn-muted);
	font-size: 0.9rem;
}

/* Compare widget */
.sn-vec__compare {
	margin-top: 1.25rem;
	border: 1px solid var(--sn-border);
	border-radius: var(--sn-radius);
	overflow: hidden;
	background: #fff;
}

.sn-vec__compare-wrap {
	position: relative;
	overflow: auto;
	max-height: 640px;
	transition: opacity 120ms;
}

.sn-vec__compare.is-updating .sn-vec__compare-wrap::after {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	height: 3px;
	width: 30%;
	background: var(--sn-border-strong);
	animation: sn-vec-progress 1.2s infinite ease-in-out;
	pointer-events: none;
	z-index: 5;
}

@keyframes sn-vec-progress {
	0% { left: -30%; }
	100% { left: 100%; }
}

.sn-vec__compare-wrap {
	background:
		linear-gradient(45deg, #eceff3 25%, transparent 25%),
		linear-gradient(-45deg, #eceff3 25%, transparent 25%),
		linear-gradient(45deg, transparent 75%, #eceff3 75%),
		linear-gradient(-45deg, transparent 75%, #eceff3 75%);
	background-size: 16px 16px;
	background-position: 0 0, 0 8px, 8px -8px, -8px 0;
	touch-action: none;
	user-select: none;
}

.sn-vec__compare-inner {
	position: relative;
	width: calc(100% * var(--sn-zoom, 1));
	--sn-pos: 50%;
	line-height: 0;
	font-size: 0;
}

/* Original is in normal flow and drives the container height. */
.sn-vec__compare-orig img {
	display: block;
	width: 100%;
	height: auto;
	pointer-events: none;
	-webkit-user-drag: none;
	user-select: none;
}

/* Vector overlay fills the exact same box as the original. Both have
   matching aspect ratios so the SVG aligns pixel-for-pixel. */
.sn-vec__compare-vec {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: none;
	pointer-events: none;
	overflow: hidden;
	clip-path: inset(0 calc(100% - var(--sn-pos)) 0 0);
	-webkit-clip-path: inset(0 calc(100% - var(--sn-pos)) 0 0);
}

.sn-vec__compare-vec svg {
	display: block;
	width: 100%;
	height: 100%;
	/* Matching aspect ratios means no letterboxing — SVG fills exactly. */
}

.sn-vec__compare-handle {
	position: absolute;
	top: 0;
	bottom: 0;
	left: var(--sn-pos);
	width: 2px;
	margin-left: -1px;
	background: #fff;
	box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.3), 0 0 8px rgba(0, 0, 0, 0.4);
	display: none;
	pointer-events: none;
	z-index: 2;
}

.sn-vec__compare.is-compare .sn-vec__compare-vec,
.sn-vec__compare.is-compare .sn-vec__compare-handle {
	display: block;
}

.sn-vec__compare.is-compare .sn-vec__compare-wrap {
	cursor: ew-resize;
}

.sn-vec__compare-knob {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: #fff;
	border: 2px solid var(--sn-border-strong);
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
	transform: translate(-50%, -50%);
}

.sn-vec__compare-knob::before,
.sn-vec__compare-knob::after {
	content: "";
	position: absolute;
	top: 50%;
	width: 0;
	height: 0;
	border: 5px solid transparent;
	transform: translateY(-50%);
}

.sn-vec__compare-knob::before {
	left: 7px;
	border-right-color: var(--sn-border-strong);
}

.sn-vec__compare-knob::after {
	right: 7px;
	border-left-color: var(--sn-border-strong);
}

.sn-vec__compare-toolbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
	padding: 0.5rem 0.75rem;
	background: var(--sn-bg);
	border-top: 1px solid var(--sn-border);
	font-size: 0.85rem;
	color: var(--sn-muted);
}

.sn-vec__compare-zooms {
	display: flex;
	gap: 0.25rem;
}

.sn-vec__zoom {
	padding: 0.35rem 0.7rem;
	border: 1px solid var(--sn-border);
	background: #fff;
	border-radius: 6px;
	cursor: pointer;
	font-size: 0.85rem;
	color: var(--sn-text);
	font-weight: 500;
}

.sn-vec__zoom:hover {
	background: var(--sn-bg-2);
}

.sn-vec__zoom[aria-pressed="true"] {
	background: var(--sn-border-strong);
	color: #fff;
	border-color: var(--sn-border-strong);
}

/* Settings panel */
.sn-vec__settings {
	margin-top: 1.25rem;
	padding: 1.25rem;
	background: var(--sn-bg);
	border-radius: var(--sn-radius);
	border: 1px solid var(--sn-border);
}

.sn-vec__toggles {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 1rem;
	margin-bottom: 1.25rem;
}

.sn-vec__toggle {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
}

.sn-vec__toggle-label {
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--sn-muted);
	text-transform: uppercase;
	letter-spacing: 0.03em;
}

.sn-vec__btns {
	display: flex;
	gap: 0;
	background: #fff;
	border: 1px solid var(--sn-border);
	border-radius: 8px;
	padding: 3px;
}

.sn-vec__btns button {
	flex: 1;
	padding: 0.5rem 0.75rem;
	border: 0;
	background: transparent;
	color: var(--sn-text);
	cursor: pointer;
	font-size: 0.9rem;
	font-weight: 500;
	border-radius: 6px;
	transition: background 120ms, color 120ms;
}

.sn-vec__btns button:hover {
	background: var(--sn-bg-2);
}

.sn-vec__btns button[aria-pressed="true"] {
	background: var(--sn-border-strong);
	color: #fff;
	box-shadow: 0 1px 3px rgba(11, 95, 255, 0.3);
}

.sn-vec__ranges {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 1rem 1.5rem;
}

.sn-vec__ranges label {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	font-size: 0.9rem;
	color: var(--sn-muted);
}

.sn-vec__ranges label span {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	color: var(--sn-text);
	font-weight: 500;
}

.sn-vec__ranges label span output {
	font-variant-numeric: tabular-nums;
	color: var(--sn-border-strong);
	font-weight: 600;
}

.sn-vec__ranges input[type="range"] {
	width: 100%;
	accent-color: var(--sn-border-strong);
}

.sn-vec__help {
	display: block;
	font-size: 0.8rem;
	font-weight: 400;
	color: var(--sn-muted);
	line-height: 1.4;
	margin-top: 0.1rem;
}

.sn-vec__help strong {
	color: var(--sn-text);
	font-weight: 600;
}

.sn-vec__go {
	display: block;
	width: 100%;
	margin-top: 1.25rem;
	padding: 0.85rem 1rem;
	border: 0;
	border-radius: 8px;
	background: var(--sn-border-strong);
	color: #fff;
	font-weight: 600;
	font-size: 1rem;
	cursor: pointer;
	transition: filter 120ms, transform 80ms;
}

.sn-vec__go:hover {
	filter: brightness(1.08);
}

.sn-vec__go:active {
	transform: translateY(1px);
}

/* Status */
.sn-vec__status {
	margin-top: 1rem;
	min-height: 1.2em;
	font-size: 0.95rem;
	color: var(--sn-muted);
}

.sn-vec__status--error {
	color: var(--sn-error);
}

/* Actions */
.sn-vec__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-top: 1rem;
}

.sn-vec__actions button,
.sn-vec__actions a {
	padding: 0.65rem 1.1rem;
	border-radius: 8px;
	font-size: 0.95rem;
	cursor: pointer;
	text-decoration: none;
	font-weight: 500;
	border: 0;
}

.sn-vec__download {
	background: var(--sn-ok);
	color: #fff;
}

.sn-vec__reset {
	background: transparent;
	color: var(--sn-muted);
	border: 1px solid var(--sn-border);
}

.sn-vec__actions button:hover {
	filter: brightness(1.08);
}

.sn-vec__quota {
	margin-top: 0.5rem;
	font-size: 0.8rem;
	color: var(--sn-muted);
	font-style: italic;
}

@media (max-width: 600px) {
	.sn-vec__toggles {
		grid-template-columns: 1fr;
	}
}