/**
 * KCG Wall Preview — front end styles.
 * Matches the Art Size Calculator's gallery treatment.
 */

.kcgwv {
	--kcgwv-accent: #1B3A6B;
	--kcgwv-highlight: #C8922A;
	--kcgwv-ink: #14171C;
	--kcgwv-muted: #626B78;
	--kcgwv-line: #DDE2EA;
	--kcgwv-hairline: #EDF0F4;
	--kcgwv-paper: #FFFFFF;
	--kcgwv-warm: #FAFBFC;
	--kcgwv-radius: 4px;

	box-sizing: border-box;
	max-width: 1180px;
	margin: 0 auto;
	padding: 32px 34px 30px;
	background: var(--kcgwv-paper);
	border: 1px solid var(--kcgwv-line);
	border-radius: 6px;
	box-shadow: 0 1px 2px rgba(20, 23, 28, 0.04), 0 10px 40px rgba(20, 23, 28, 0.07);
	color: var(--kcgwv-ink);
	font-size: 16px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
}

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

.kcgwv [hidden] {
	display: none !important;
}

/* Masthead ------------------------------------------------------------ */

.kcgwv__masthead:not(:empty) {
	margin-bottom: 26px;
	padding-bottom: 20px;
	border-bottom: 1px solid var(--kcgwv-line);
}

.kcgwv__eyebrow {
	display: inline-block;
	margin-bottom: 12px;
	padding: 5px 12px 4px;
	border: 1px solid var(--kcgwv-highlight);
	border-radius: 2px;
	color: var(--kcgwv-highlight);
	font-size: 0.68rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.16em;
	line-height: 1;
}

.kcgwv__heading {
	margin: 0 0 10px;
	color: var(--kcgwv-accent);
	font-size: clamp(1.7rem, 3.4vw, 2.6rem);
	font-weight: 700;
	line-height: 1.12;
	letter-spacing: -0.02em;
}

.kcgwv__lede {
	margin: 0;
	max-width: 62ch;
	color: var(--kcgwv-muted);
}

/* Steps --------------------------------------------------------------- */

.kcgwv__body {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 18px;
	margin-bottom: 26px;
}

.kcgwv__step {
	padding: 18px;
	background: var(--kcgwv-warm);
	border: 1px solid var(--kcgwv-line);
	border-radius: var(--kcgwv-radius);
	transition: border-color 0.15s ease, opacity 0.15s ease;
}

.kcgwv__step.is-open {
	border-color: var(--kcgwv-accent);
	background: var(--kcgwv-paper);
}

.kcgwv__step-head {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 12px;
}

.kcgwv__step-num {
	display: flex;
	align-items: center;
	justify-content: center;
	flex: 0 0 auto;
	width: 24px;
	height: 24px;
	border: 1px solid var(--kcgwv-accent);
	border-radius: 50%;
	color: var(--kcgwv-accent);
	font-size: 0.74rem;
	font-weight: 700;
	line-height: 1;
}

.kcgwv__step-title {
	font-weight: 700;
	font-size: 0.94rem;
}

.kcgwv__step-state {
	margin-left: auto;
	color: var(--kcgwv-highlight);
	font-weight: 700;
}

.kcgwv__hint {
	margin: 0 0 12px;
	font-size: 0.85rem;
	line-height: 1.5;
	color: var(--kcgwv-muted);
}

.kcgwv__hint--tight {
	margin: 8px 0 0;
	font-weight: 600;
	color: var(--kcgwv-accent);
}

.kcgwv__error {
	margin: 10px 0 0;
	padding: 9px 12px;
	background: #FDF2F2;
	border-left: 3px solid #B3261E;
	border-radius: 2px;
	color: #B3261E;
	font-size: 0.85rem;
}

/* Upload -------------------------------------------------------------- */

.kcgwv__upload {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 26px 16px;
	border: 2px dashed var(--kcgwv-line);
	border-radius: var(--kcgwv-radius);
	background: var(--kcgwv-warm);
	cursor: pointer;
	text-align: center;
	transition: border-color 0.15s ease, background-color 0.15s ease;
}

.kcgwv__upload:hover {
	border-color: var(--kcgwv-highlight);
	background: var(--kcgwv-paper);
}

.kcgwv__upload-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 34px;
	height: 34px;
	border-radius: 50%;
	background: var(--kcgwv-accent);
	color: #fff;
	font-size: 1.2rem;
	font-weight: 700;
	line-height: 1;
}

.kcgwv__upload-text {
	font-size: 0.88rem;
	font-weight: 600;
	color: var(--kcgwv-accent);
}

.kcgwv__upload input[type="file"] {
	position: absolute;
	width: 1px;
	height: 1px;
	opacity: 0;
	overflow: hidden;
}

/* Scale --------------------------------------------------------------- */

.kcgwv__scale-row {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-wrap: wrap;
}

.kcgwv__label {
	font-size: 0.88rem;
	font-weight: 700;
}

.kcgwv__input {
	width: 92px;
	padding: 9px 11px;
	border: 1px solid var(--kcgwv-line);
	border-radius: var(--kcgwv-radius);
	background: var(--kcgwv-paper);
	color: var(--kcgwv-ink);
	font: inherit;
	font-variant-numeric: tabular-nums;
}

.kcgwv__unit {
	font-size: 0.82rem;
	color: var(--kcgwv-muted);
}

.kcgwv__input:focus,
.kcgwv__swatch:focus-visible,
.kcgwv__tool:focus-visible,
.kcgwv__btn:focus-visible,
.kcgwv__upload:focus-within,
.kcgwv__art:focus-visible {
	outline: 2px solid var(--kcgwv-highlight);
	outline-offset: 2px;
}

/* Picker -------------------------------------------------------------- */

.kcgwv__picker {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
	gap: 9px;
	max-height: 260px;
	overflow-y: auto;
}

.kcgwv__swatch {
	display: block;
	padding: 0 0 7px;
	border: 1px solid var(--kcgwv-line);
	border-radius: var(--kcgwv-radius);
	background: var(--kcgwv-paper);
	font: inherit;
	text-align: left;
	cursor: pointer;
	overflow: hidden;
	transition: border-color 0.15s ease, transform 0.15s ease;
}

.kcgwv__swatch:hover {
	border-color: var(--kcgwv-accent);
	transform: translateY(-2px);
}

.kcgwv__swatch.is-active {
	border-color: var(--kcgwv-highlight);
	box-shadow: 0 0 0 2px var(--kcgwv-highlight);
}

.kcgwv__swatch {
	position: relative;
}

.kcgwv__swatch.is-placed {
	border-color: var(--kcgwv-highlight);
}

.kcgwv__swatch-count {
	position: absolute;
	top: 5px;
	right: 5px;
	z-index: 1;
	min-width: 20px;
	height: 20px;
	padding: 0 5px;
	border-radius: 10px;
	background: var(--kcgwv-highlight);
	color: var(--kcgwv-ink);
	font-size: 0.7rem;
	font-weight: 700;
	line-height: 20px;
	text-align: center;
}

.kcgwv__swatch-img {
	display: block;
	aspect-ratio: 1 / 1;
	background: var(--kcgwv-warm);
	overflow: hidden;
	margin-bottom: 6px;
}

.kcgwv__swatch-img img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.kcgwv__swatch-title {
	display: block;
	padding: 0 7px;
	font-size: 0.74rem;
	font-weight: 700;
	line-height: 1.25;
	color: var(--kcgwv-accent);
}

.kcgwv__swatch-size {
	display: block;
	padding: 0 7px;
	font-size: 0.68rem;
	color: var(--kcgwv-muted);
	font-variant-numeric: tabular-nums;
}

/* Viewport ------------------------------------------------------------ */

.kcgwv__viewport {
	border: 1px solid var(--kcgwv-line);
	border-radius: var(--kcgwv-radius);
	overflow: hidden;
}

.kcgwv__viewport-bar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	flex-wrap: wrap;
	padding: 11px 16px;
	background: var(--kcgwv-warm);
	border-bottom: 1px solid var(--kcgwv-hairline);
}

.kcgwv__viewport-title {
	font-size: 0.8rem;
	font-weight: 700;
	color: var(--kcgwv-accent);
}

.kcgwv__viewport-tools {
	display: flex;
	gap: 7px;
	flex-wrap: wrap;
}

.kcgwv__tool {
	padding: 6px 12px;
	border: 1px solid var(--kcgwv-line);
	border-radius: 999px;
	background: var(--kcgwv-paper);
	color: var(--kcgwv-muted);
	font: inherit;
	font-size: 0.74rem;
	font-weight: 600;
	cursor: pointer;
	transition: background-color 0.15s ease, color 0.15s ease;
}

.kcgwv__tool:hover {
	color: var(--kcgwv-accent);
	border-color: var(--kcgwv-accent);
}

.kcgwv__tool.is-active {
	background: var(--kcgwv-accent);
	border-color: var(--kcgwv-accent);
	color: #fff;
	cursor: default;
}

/* Stage --------------------------------------------------------------- */

.kcgwv__stage {
	position: relative;
	margin: 0 auto;
	background: #1a1d22;
	line-height: 0;
	touch-action: none;
	user-select: none;
	-webkit-user-select: none;
}

/* The stage is sized in JS to the photo's exact box, so the image fills it
   completely. Any letterboxing here would break overlay-to-export mapping. */
.kcgwv__photo {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: fill;
}

.kcgwv__ruler {
	position: absolute;
	inset: 0;
	pointer-events: none;
}

.kcgwv__ruler-line {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	overflow: visible;
}

/* Dark outline pass, so the dimension reads on light and dark photos alike. */
.kcgwv__ruler-stroke {
	stroke: rgba(0, 0, 0, 0.5);
	stroke-width: 6;
	stroke-linecap: round;
}

.kcgwv__tick-stroke {
	stroke: rgba(0, 0, 0, 0.5);
	stroke-width: 6;
	stroke-linecap: round;
}

.kcgwv__ruler-core {
	stroke: var(--kcgwv-highlight);
	stroke-width: 2;
	stroke-linecap: butt;
	stroke-dasharray: 8 6;
}

/* The tick is the exact measurement point. */
.kcgwv__tick {
	stroke: #fff;
	stroke-width: 2.5;
	stroke-linecap: round;
}

.kcgwv__arrow {
	fill: var(--kcgwv-highlight);
	stroke: #fff;
	stroke-width: 1.25;
	stroke-linejoin: round;
}

/* Invisible grab target centred on the measurement point. Generous for touch;
   the arrow itself stays small so the tip is precise.

   Themes almost always style button:hover / :focus / :active with a background,
   and those state rules beat a plain .class background declaration. Every state
   is therefore re-asserted here, or the theme paints an opaque circle right on
   top of the arrow tip the user is trying to place. */
.kcgwv .kcgwv__dot,
.kcgwv .kcgwv__dot:link,
.kcgwv .kcgwv__dot:visited,
.kcgwv .kcgwv__dot:hover,
.kcgwv .kcgwv__dot:focus,
.kcgwv .kcgwv__dot:focus-within,
.kcgwv .kcgwv__dot:focus-visible,
.kcgwv .kcgwv__dot:active {
	position: absolute;
	display: block;
	width: 52px;
	height: 52px;
	margin: -26px 0 0 -26px;
	padding: 0;
	background: transparent !important;
	background-color: transparent !important;
	background-image: none !important;
	border: 0 !important;
	border-radius: 50%;
	box-shadow: none !important;
	outline: none !important;
	color: inherit;
	font: inherit;
	text-decoration: none;
	filter: none !important;
	transform: none !important;
	transition: none !important;
	cursor: grab;
	pointer-events: auto;
	touch-action: none;
	-webkit-appearance: none;
	appearance: none;
	-webkit-tap-highlight-color: transparent;
}

.kcgwv .kcgwv__dot::before {
	content: none;
}

/* No hover indicator at all — the cursor already says it is grabbable, and
   anything drawn here sits over the measurement point. A ring appears only
   while actually dragging, at the perimeter, with the centre left clear. */
.kcgwv .kcgwv__dot::after {
	content: "";
	position: absolute;
	inset: 3px;
	border: 2px dashed transparent;
	border-radius: 50%;
	background: none !important;
	pointer-events: none;
}

.kcgwv .kcgwv__dot.is-dragging::after {
	border-color: rgba(255, 255, 255, 0.85);
}

.kcgwv .kcgwv__dot:focus-visible::after {
	border-color: #fff;
}

/* Layer holding every placed piece. */
.kcgwv__layer {
	position: absolute;
	inset: 0;
	pointer-events: none;
}

.kcgwv__art {
	position: absolute;
	cursor: grab;
	touch-action: none;
	pointer-events: auto;
	filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.45));
	line-height: 0;
	/* Rotation is applied around the centre so the stored centre point stays
	   the anchor regardless of orientation. */
	transform-origin: 50% 50%;
	outline: none;
}

.kcgwv__art.is-dragging {
	cursor: grabbing;
}

.kcgwv__art.is-selected::after {
	content: "";
	position: absolute;
	inset: -3px;
	border: 2px dashed var(--kcgwv-highlight);
	pointer-events: none;
}

.kcgwv__art:focus-visible::after {
	content: "";
	position: absolute;
	inset: -3px;
	border: 2px solid #fff;
	pointer-events: none;
}

.kcgwv__art img {
	width: 100%;
	height: 100%;
	display: block;
	object-fit: fill;
	pointer-events: none;
}

/* Alignment guides and gap labels ------------------------------------- */

.kcgwv__guides {
	position: absolute;
	inset: 0;
	pointer-events: none;
}

.kcgwv__guide {
	position: absolute;
	left: 0;
	right: 0;
	height: 0;
	border-top: 1px dashed var(--kcgwv-highlight);
	opacity: 0.9;
}

.kcgwv__gap {
	position: absolute;
	transform: translate(-50%, -50%);
	padding: 3px 7px;
	border-radius: 3px;
	background: rgba(20, 23, 28, 0.82);
	color: #fff;
	font-size: 0.72rem;
	font-weight: 700;
	line-height: 1;
	letter-spacing: 0.02em;
	white-space: nowrap;
	font-variant-numeric: tabular-nums;
}

/* Gallery-standard spacing. */
.kcgwv__gap.is-good {
	background: var(--kcgwv-highlight);
	color: var(--kcgwv-ink);
}

/* Per-piece controls --------------------------------------------------- */

.kcgwv__controls {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-wrap: wrap;
	padding: 11px 16px;
	background: var(--kcgwv-warm);
	border-top: 1px solid var(--kcgwv-hairline);
}

.kcgwv__controls-label {
	font-size: 0.7rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: var(--kcgwv-muted);
	margin-right: 2px;
}

.kcgwv .kcgwv__ctl {
	padding: 8px 14px;
	border: 1px solid var(--kcgwv-line);
	border-radius: var(--kcgwv-radius);
	background: var(--kcgwv-paper);
	color: var(--kcgwv-accent);
	font: inherit;
	font-size: 0.8rem;
	font-weight: 600;
	cursor: pointer;
	transition: border-color 0.15s ease, background-color 0.15s ease;
}

.kcgwv .kcgwv__ctl:hover:not(:disabled) {
	border-color: var(--kcgwv-accent);
	background: var(--kcgwv-warm);
}

.kcgwv .kcgwv__ctl:disabled {
	opacity: 0.45;
	cursor: default;
}

.kcgwv .kcgwv__ctl--danger {
	color: #B3261E;
}

.kcgwv .kcgwv__ctl--danger:hover:not(:disabled) {
	border-color: #B3261E;
}

.kcgwv__stage-hint {
	margin: 0;
	padding: 11px 16px;
	background: var(--kcgwv-warm);
	border-top: 1px solid var(--kcgwv-hairline);
	font-size: 0.82rem;
	color: var(--kcgwv-muted);
	line-height: 1.5;
}

/* Actions -------------------------------------------------------------- */

.kcgwv__actions {
	display: flex;
	align-items: center;
	gap: 10px;
	flex-wrap: wrap;
	padding: 14px 16px;
	border-top: 1px solid var(--kcgwv-hairline);
}

.kcgwv__btn {
	display: inline-block;
	padding: 11px 22px;
	border: 1px solid transparent;
	border-radius: var(--kcgwv-radius);
	font: inherit;
	font-weight: 700;
	font-size: 0.9rem;
	text-decoration: none;
	cursor: pointer;
	transition: background-color 0.15s ease, color 0.15s ease;
}

.kcgwv__btn--primary {
	background: var(--kcgwv-accent);
	color: #fff;
}

.kcgwv__btn--primary:hover {
	background: var(--kcgwv-highlight);
	color: var(--kcgwv-ink);
}

.kcgwv__btn--ghost {
	background: transparent;
	border-color: var(--kcgwv-line);
	color: var(--kcgwv-accent);
}

.kcgwv__btn--ghost:hover {
	border-color: var(--kcgwv-accent);
}

.kcgwv__action-note {
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--kcgwv-highlight);
}

.kcgwv__privacy {
	margin: 18px 0 0;
	font-size: 0.78rem;
	color: var(--kcgwv-muted);
}

.kcgwv__notice {
	margin: 0;
	padding: 18px;
	background: var(--kcgwv-warm);
	border: 1px solid var(--kcgwv-line);
	border-radius: var(--kcgwv-radius);
	color: var(--kcgwv-muted);
}

/* Responsive ----------------------------------------------------------- */

@media (max-width: 700px) {
	.kcgwv {
		padding: 22px 18px 20px;
	}

	.kcgwv__body {
		grid-template-columns: 1fr;
	}

	.kcgwv__photo {
		max-height: 60vh;
	}

	.kcgwv .kcgwv__dot,
	.kcgwv .kcgwv__dot:hover,
	.kcgwv .kcgwv__dot:focus,
	.kcgwv .kcgwv__dot:active {
		width: 56px;
		height: 56px;
		margin: -28px 0 0 -28px;
	}

	.kcgwv__btn {
		flex: 1 1 100%;
		text-align: center;
	}
}

@media (prefers-reduced-motion: reduce) {
	.kcgwv * {
		transition: none !important;
	}
}

/* Lead capture ---------------------------------------------------------- */

.kcgwv__sr {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.kcgwv__lead {
	margin-top: 20px;
	padding: 22px;
	background: var(--kcgwv-warm);
	border: 1px solid var(--kcgwv-line);
	border-left: 3px solid var(--kcgwv-highlight);
	border-radius: var(--kcgwv-radius);
}

.kcgwv__lead-prompt {
	margin: 0 0 10px;
	font-weight: 600;
	max-width: 62ch;
}

.kcgwv__lead-summary {
	margin: 0 0 14px;
	padding: 10px 13px;
	background: var(--kcgwv-paper);
	border: 1px solid var(--kcgwv-line);
	border-radius: var(--kcgwv-radius);
	font-size: 0.85rem;
	line-height: 1.5;
	color: var(--kcgwv-accent);
	font-weight: 600;
}

.kcgwv__lead-summary:empty {
	display: none;
}

.kcgwv__lead-row {
	display: grid;
	grid-template-columns: 1fr 1.2fr;
	gap: 10px;
	margin-bottom: 10px;
}

.kcgwv__input--wide {
	width: 100%;
}

.kcgwv__textarea {
	width: 100%;
	margin-bottom: 12px;
	padding: 10px 12px;
	border: 1px solid var(--kcgwv-line);
	border-radius: var(--kcgwv-radius);
	background: var(--kcgwv-paper);
	color: var(--kcgwv-ink);
	font: inherit;
	font-size: 0.92rem;
	resize: vertical;
}

.kcgwv__textarea:focus {
	outline: 2px solid var(--kcgwv-highlight);
	outline-offset: 2px;
}

.kcgwv__lead-note {
	margin: 12px 0 0;
	font-size: 0.88rem;
	min-height: 1.2em;
}

.kcgwv__lead-note.is-error {
	color: #B3261E;
	font-weight: 600;
}

.kcgwv__lead-note.is-success {
	color: #1B6B3A;
	font-weight: 600;
}

.kcgwv__lead-fine {
	margin: 8px 0 0;
	font-size: 0.78rem;
	line-height: 1.5;
	color: var(--kcgwv-muted);
}

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

/* Artist attribution and filter ---------------------------------------- */

.kcgwv__swatch-artist {
	display: block;
	padding: 1px 7px 0;
	font-size: 0.66rem;
	font-style: italic;
	line-height: 1.25;
	color: var(--kcgwv-ink);
}

.kcgwv__filter {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-bottom: 10px;
}

.kcgwv__filter .kcgwv__label {
	margin: 0;
	white-space: nowrap;
}

.kcgwv__select {
	flex: 1 1 auto;
	min-width: 0;
	padding: 9px 11px;
	border: 1px solid var(--kcgwv-line);
	border-radius: var(--kcgwv-radius);
	background: var(--kcgwv-paper);
	color: var(--kcgwv-ink);
	font: inherit;
	font-size: 0.9rem;
}

.kcgwv__select:focus {
	outline: 2px solid var(--kcgwv-highlight);
	outline-offset: 2px;
}