/* Lighting Setup Sheet — editor UI */
.lss {
	--lss-bg: #f6f7f7;
	--lss-surface: #fff;
	--lss-border: #dcdcde;
	--lss-text: #1d2327;
	--lss-muted: #646970;
	--lss-primary: #2271b1;
	--lss-primary-h: #135e96;
	--lss-danger: #b32d2e;
	--lss-ok: #00a32a;
	--lss-radius: 8px;
	display: flex;
	flex-direction: column;
	height: var(--lss-height, min(88vh, 860px));
	min-height: 600px;
	background: var(--lss-bg);
	color: var(--lss-text);
	font: 13px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	border: 1px solid var(--lss-border);
	border-radius: var(--lss-radius);
	overflow: hidden;
	box-sizing: border-box;
}
.lss *, .lss *::before, .lss *::after { box-sizing: border-box; }
.lss [hidden] { display: none !important; }

/* Reset: keep theme styles (front end) from leaking into the editor. */
.lss.lss :where(button, summary) {
	margin: 0;
	padding: 0;
	border: 0;
	border-radius: 0;
	background: none;
	box-shadow: none;
	color: inherit;
	font: inherit;
	letter-spacing: normal;
	line-height: inherit;
	text-transform: none;
	text-decoration: none;
	text-shadow: none;
	min-height: 0;
	width: auto;
}
.lss.lss :where(input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=color]), select, textarea) {
	margin: 0;
	padding: 4px 8px;
	min-height: 30px;
	width: auto;
	max-width: 100%;
	border: 1px solid #8c8f94;
	border-radius: 4px;
	background: #fff;
	box-shadow: none;
	color: var(--lss-text);
	font: inherit;
	line-height: 1.4;
	letter-spacing: normal;
	text-transform: none;
}
.lss.lss :where(select) { padding-right: 24px; }
.lss.lss :where(input, select, textarea):focus { outline: none; border-color: var(--lss-primary); box-shadow: 0 0 0 1px var(--lss-primary); }
.lss.lss :where(input[type=checkbox]) { width: 16px; height: 16px; margin: 0; accent-color: var(--lss-primary); }
.lss.lss :where(input[type=color]) { border: 1px solid #8c8f94; border-radius: 4px; background: #fff; }
.lss.lss :where(h1, h2, h3, h4, p, fieldset, legend, hr, output) { font-family: inherit; letter-spacing: normal; text-transform: none; }
.lss.lss :where(svg) { max-width: none; }

/* Public embed ([lighting_sheet_maker]). */
.lss-maker { margin-block: 1.5em; }

/* Top bar */
.lss-top {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
	padding: 8px 10px;
	background: var(--lss-surface);
	border-bottom: 1px solid var(--lss-border);
}
.lss-top-l, .lss-top-r { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.lss-top-l { flex: 1 1 380px; min-width: 0; }
.lss .lss-title {
	flex: 1 1 200px;
	min-width: 140px;
	max-width: 420px;
	font-size: 16px;
	font-weight: 600;
	padding: 5px 8px;
	border: 1px solid transparent;
	border-radius: 6px;
	background: transparent;
	box-shadow: none;
	color: var(--lss-text);
}
.lss .lss-title:hover { border-color: var(--lss-border); }
.lss .lss-title:focus { border-color: var(--lss-primary); outline: none; box-shadow: 0 0 0 1px var(--lss-primary); }
.lss .lss-select { min-height: 32px; max-width: 220px; }

.lss .lss-btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	min-height: 32px;
	padding: 0 11px;
	border: 1px solid var(--lss-border);
	border-radius: 6px;
	background: var(--lss-surface);
	color: var(--lss-text);
	font: inherit;
	font-weight: 500;
	cursor: pointer;
	white-space: nowrap;
	line-height: 1;
	list-style: none;
}
.lss .lss-btn::-webkit-details-marker { display: none; }
.lss .lss-btn:hover { border-color: #8c8f94; background: #f6f7f7; }
.lss .lss-btn:focus-visible { outline: 2px solid var(--lss-primary); outline-offset: 1px; }
.lss .lss-btn:disabled { opacity: .45; cursor: default; }
.lss .lss-btn.is-primary { background: var(--lss-primary); border-color: var(--lss-primary); color: #fff; }
.lss .lss-btn.is-primary:hover { background: var(--lss-primary-h); }
.lss .lss-btn.is-primary.is-dirty::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #ffd24d; margin-left: 2px; }
.lss .lss-btn.is-danger { color: var(--lss-danger); }
.lss .lss-btn.is-small { min-height: 28px; font-size: 12px; }
.lss .lss-i { display: inline-flex; }

.lss-status { font-size: 12px; color: var(--lss-muted); max-width: 320px; }
.lss-status.is-ok { color: var(--lss-ok); }
.lss-status.is-error { color: var(--lss-danger); }

.lss-menu { position: relative; }
.lss-menu-pop {
	position: absolute;
	right: 0;
	top: calc(100% + 4px);
	z-index: 50;
	min-width: 230px;
	padding: 6px;
	background: var(--lss-surface);
	border: 1px solid var(--lss-border);
	border-radius: var(--lss-radius);
	box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
	display: flex;
	flex-direction: column;
	gap: 2px;
}
.lss .lss-menu-pop .lss-btn { border-color: transparent; justify-content: flex-start; width: 100%; }
.lss .lss-menu-pop hr { margin: 4px 0; border: 0; border-top: 1px solid var(--lss-border); }

/* Main area */
.lss-main { flex: 1; display: grid; grid-template-columns: 196px minmax(0, 1fr) 290px; min-height: 0; }

.lss-palette, .lss-props { background: var(--lss-surface); overflow-y: auto; min-height: 0; }
.lss-palette { border-right: 1px solid var(--lss-border); padding: 8px; }
.lss-props { border-left: 1px solid var(--lss-border); padding: 0 12px 16px; }

.lss .lss-pal-group h3 { margin: 10px 2px 6px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--lss-muted); }
.lss-pal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.lss .lss-pal-item {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 2px;
	padding: 6px 2px 5px;
	border: 1px solid transparent;
	border-radius: 6px;
	background: transparent;
	color: var(--lss-text);
	cursor: grab;
	font: inherit;
}
.lss .lss-pal-item:hover { background: #f0f0f1; border-color: var(--lss-border); }
.lss .lss-pal-item { touch-action: pan-y; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.lss.is-dragging, .lss.is-dragging * { cursor: grabbing !important; }
.lss-ghost {
	position: fixed;
	left: 0;
	top: 0;
	z-index: 100000;
	width: 48px;
	height: 48px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 10px;
	background: rgba(255, 255, 255, .92);
	color: #1d2327;
	box-shadow: 0 6px 18px rgba(0, 0, 0, .25);
	pointer-events: none;
	opacity: .85;
}
.lss-ghost.is-over { opacity: 1; box-shadow: 0 0 0 2px #2271b1, 0 8px 22px rgba(0, 0, 0, .3); }
.lss-ghost svg { width: 40px; height: 40px; }
.lss-stage-wrap.is-drop { box-shadow: inset 0 0 0 3px #2271b1; }
.lss-empty {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 4px;
	padding: 16px;
	text-align: center;
	pointer-events: none;
	font-size: 13px;
}
.lss-empty strong { font-size: 16px; }
.lss .lss-pal-item:focus-visible { outline: 2px solid var(--lss-primary); }
.lss-pal-name { font-size: 10.5px; line-height: 1.15; text-align: center; color: var(--lss-muted); }

.lss-center { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.lss-tabs { display: flex; gap: 2px; padding: 6px 10px 0; background: var(--lss-bg); }
.lss .lss-tab {
	padding: 7px 14px;
	border: 1px solid transparent;
	border-bottom: 0;
	border-radius: 6px 6px 0 0;
	background: transparent;
	font: inherit;
	font-weight: 500;
	color: var(--lss-muted);
	cursor: pointer;
}
.lss .lss-tab.is-active { background: var(--lss-surface); border-color: var(--lss-border); color: var(--lss-text); }
.lss-canvas { position: relative; flex: 1; min-height: 0; margin: 0 10px; border: 1px solid var(--lss-border); border-radius: 0 var(--lss-radius) var(--lss-radius) var(--lss-radius); overflow: hidden; background: var(--lss-surface); }
.lss-stage-wrap { position: absolute; inset: 0; }
.lss-stage { display: block; width: 100%; height: 100%; touch-action: none; user-select: none; -webkit-user-select: none; cursor: default; outline: none; }
.lss-stage [data-id] { cursor: move; }
.lss-preview { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; padding: 16px; background: repeating-conic-gradient(#eee 0 25%, #fafafa 0 50%) 0 0/20px 20px; }
.lss-preview > svg { max-width: 100%; max-height: 100%; width: auto; height: 100%; box-shadow: 0 6px 30px rgba(0, 0, 0, .18); border-radius: 4px; }
.lss-zoom { position: absolute; right: 10px; bottom: 10px; display: flex; gap: 4px; }
.lss .lss-zoom .lss-btn { padding: 0 8px; box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }
.lss-hint { padding: 6px 12px 8px; font-size: 11.5px; color: var(--lss-muted); }

/* Properties */
.lss-props-head {
	position: sticky;
	top: 0;
	z-index: 2;
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 8px;
	padding: 12px 0 10px;
	background: var(--lss-surface);
	border-bottom: 1px solid var(--lss-border);
	font-size: 14px;
}
.lss-props-head .lss-muted { flex-basis: 100%; font-size: 12px; }
.lss-props-ico { display: inline-flex; color: var(--lss-text); }
.lss .lss-link { margin-left: auto; padding: 0; border: 0; background: none; color: var(--lss-primary); cursor: pointer; font: inherit; text-decoration: underline; }
.lss-muted { color: var(--lss-muted); }

.lss .lss-fs { margin: 12px 0 0; padding: 0; border: 0; display: flex; flex-wrap: wrap; column-gap: 10px; }
.lss .lss-fs > legend { padding: 0; margin: 0 0 6px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--lss-muted); }
.lss-row { flex: 1 1 100%; margin-bottom: 8px; min-width: 0; }
.lss-row.is-half { flex-basis: calc(50% - 5px); }
.lss .lss-row > label, .lss .lss-label { display: block; margin-bottom: 3px; font-weight: 500; }
.lss-row.is-check { display: flex; align-items: center; gap: 6px; margin-bottom: 5px; }
.lss .lss-row.is-check > label { margin: 0; font-weight: 400; }
.lss .lss-row.is-check input { margin: 0; }
.lss-ctl { display: flex; align-items: center; gap: 8px; }
.lss .lss-ctl > input:not([type=checkbox]), .lss .lss-ctl > select, .lss .lss-ctl > textarea { flex: 1; min-width: 0; width: 100%; max-width: none; }
.lss .lss-ctl input[type=range] { padding: 0; accent-color: var(--lss-primary); }
.lss .lss-ctl input[type=color] { flex: 0 0 44px; height: 30px; padding: 2px; }
.lss-ctl output { min-width: 42px; text-align: right; font-variant-numeric: tabular-nums; color: var(--lss-muted); }
.lss-unit { color: var(--lss-muted); }
.lss .lss-props textarea { width: 100%; resize: vertical; }

.lss-choice-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.lss .lss-choice {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 1px;
	padding: 4px 2px;
	border: 1px solid var(--lss-border);
	border-radius: 6px;
	background: var(--lss-surface);
	color: var(--lss-text);
	cursor: pointer;
	font: inherit;
}
.lss .lss-choice small { font-size: 10px; line-height: 1.1; color: var(--lss-muted); text-align: center; }
.lss .lss-choice:hover { border-color: #8c8f94; }
.lss .lss-choice.is-on { border-color: var(--lss-primary); background: #f0f6fc; box-shadow: inset 0 0 0 1px var(--lss-primary); }
.lss .lss-choice.is-on small { color: var(--lss-primary-h); }

.lss-swatches { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 3px; }
.lss .lss-swatch, .lss .lss-swatch-custom {
	width: 24px;
	height: 24px;
	padding: 0;
	border: 1px solid rgba(0, 0, 0, .25);
	border-radius: 50%;
	cursor: pointer;
}
.lss .lss-swatch-custom { border-radius: 6px; width: 30px; }
.lss .lss-swatch.is-on, .lss .lss-swatch-custom.is-on { outline: 2px solid var(--lss-primary); outline-offset: 2px; }

.lss-tools { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 14px; }
.lss .lss-tools .lss-btn { min-height: 28px; font-size: 12px; padding: 0 9px; }

.lss .lss-photo img { display: block; width: 100%; max-height: 220px; object-fit: contain; border-radius: 6px; background: #f0f0f1; }
.lss-photo-empty { padding: 18px 12px; border: 1px dashed var(--lss-border); border-radius: 6px; color: var(--lss-muted); text-align: center; }
.lss-photo .lss-tools { margin: 8px 0 8px; }

.lss.lss--md .lss-main { grid-template-columns: 150px minmax(0, 1fr) 260px; }
.lss.lss--md .lss-pal-grid { grid-template-columns: repeat(2, 1fr); }

/* Narrow (phones, theme content columns): gear bar stays left of the set,
   properties move underneath. */
.lss.lss--sm { height: auto; min-height: 0; }
.lss.lss--sm .lss-main { grid-template-columns: 88px minmax(0, 1fr); grid-template-rows: 70vh auto; }
.lss.lss--sm .lss-palette { grid-row: 1; padding: 4px; }
.lss.lss--sm .lss-pal-group h3 { font-size: 9.5px; margin: 8px 0 4px; text-align: center; }
.lss.lss--sm .lss-pal-grid { grid-template-columns: 1fr; }
.lss.lss--sm .lss-center { grid-row: 1; }
.lss.lss--sm .lss-canvas { margin: 0 6px; }
.lss.lss--sm .lss-hint { display: none; }
.lss.lss--sm .lss-props { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--lss-border); }
.lss.lss--sm .lss-title { flex-basis: 100%; max-width: none; }