.skh-hub,
.skh-tool {
	--skh-ink: #21181b;
	--skh-muted: #6f6367;
	--skh-paper: #fffdfa;
	--skh-soft: #f5f0ec;
	--skh-line: #ddd3cf;
	--skh-accent: #4c2532;
	--skh-good: #365f49;
	--skh-danger: #8a2f36;
	color: var(--skh-ink);
	font-family: inherit;
	max-width: 1180px;
	margin: 0 auto;
}

.skh-hub {
	padding: clamp(1.2rem, 3vw, 2.5rem);
	background: var(--skh-paper);
	border: 1px solid var(--skh-line);
	border-radius: 26px;
}

.skh-hub__intro,
.skh-tool__header {
	max-width: 760px;
	margin-bottom: 1.4rem;
}

.skh-hub h2,
.skh-tool h2,
.skh-tool h3 {
	color: var(--skh-ink);
	margin-top: 0;
}

.skh-hub h2,
.skh-tool h2 {
	font-size: clamp(2rem, 5vw, 4rem);
	line-height: .98;
	letter-spacing: -.04em;
	margin-bottom: .8rem;
}

.skh-tool h3 {
	font-size: 1.1rem;
	margin-bottom: .85rem;
}

.skh-eyebrow {
	font-size: .72rem;
	font-weight: 800;
	letter-spacing: .16em;
	text-transform: uppercase;
	margin: 0 0 .7rem;
}

.skh-tabs,
.skh-planner-tabs {
	display: flex;
	gap: .55rem;
	overflow-x: auto;
	padding: .2rem .1rem 1rem;
	scrollbar-width: thin;
}

.skh-tab,
.skh-planner-tabs button {
	appearance: none;
	border: 1px solid var(--skh-line);
	border-radius: 999px;
	background: #fff;
	color: var(--skh-ink);
	font: inherit;
	font-weight: 700;
	white-space: nowrap;
	padding: .7rem 1rem;
	cursor: pointer;
}

@media (max-width: 480px) {
	.skh-planner-tabs {
		display: grid;
		grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
		overflow: visible;
		padding-inline: 0;
	}

	.skh-planner-tabs button {
		min-height: 44px;
		min-width: 0;
		padding-inline: .7rem;
		white-space: normal;
	}
}

.skh-tab:hover,
.skh-tab:focus-visible,
.skh-tab.is-active,
.skh-planner-tabs button.is-active {
	background: var(--skh-accent);
	border-color: var(--skh-accent);
	color: #fff;
}

.skh-hub__panel[hidden],
[data-planner-panel][hidden] {
	display: none !important;
}

.skh-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.5fr) minmax(280px, .7fr);
	gap: 1rem;
}

.skh-grid--tryon {
	grid-template-columns: minmax(290px, .72fr) minmax(0, 1.28fr);
}

.skh-card {
	background: var(--skh-paper);
	border: 1px solid var(--skh-line);
	border-radius: 18px;
	padding: clamp(1rem, 2vw, 1.5rem);
	box-sizing: border-box;
}

.skh-controls label,
.skh-project-head label,
.skh-floor-palette label {
	display: grid;
	gap: .35rem;
	font-size: .84rem;
	font-weight: 750;
	margin-bottom: .8rem;
}

.skh-tool input,
.skh-tool select,
.skh-tool textarea,
.skh-hub input,
.skh-hub select,
.skh-hub textarea {
	box-sizing: border-box;
	width: 100%;
	min-height: 44px;
	border: 1px solid #bdb2ae;
	border-radius: 10px;
	background: #fff;
	color: var(--skh-ink);
	font: inherit;
	padding: .65rem .72rem;
}

.skh-tool textarea,
.skh-hub textarea {
	min-height: 86px;
	resize: vertical;
}

.skh-field-row {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: .75rem;
}

.skh-field-row--three {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.skh-line-head,
.skh-project-head {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: .7rem;
	flex-wrap: wrap;
}

.skh-project-head {
	background: var(--skh-soft);
	border: 1px solid var(--skh-line);
	border-radius: 16px;
	padding: 1rem;
	margin-bottom: 1rem;
}

.skh-project-head label {
	min-width: 150px;
	flex: 1;
	margin: 0;
}

.skh-button,
.skh-floor-palette button,
.skh-catalog button,
.skh-entry-form button {
	appearance: none;
	border: 1px solid var(--skh-accent);
	border-radius: 999px;
	background: var(--skh-accent);
	color: #fff;
	font: inherit;
	font-weight: 780;
	line-height: 1.1;
	padding: .72rem 1rem;
	cursor: pointer;
}

.skh-button:hover,
.skh-button:focus-visible,
.skh-floor-palette button:hover,
.skh-floor-palette button:focus-visible {
	filter: brightness(1.12);
}

.skh-button--light {
	background: #fff;
	color: var(--skh-ink);
	border-color: var(--skh-line);
}

.skh-button--danger {
	background: var(--skh-danger);
	border-color: var(--skh-danger);
}

.skh-summary strong {
	display: block;
	font-size: clamp(2rem, 5vw, 3.7rem);
	letter-spacing: -.05em;
	line-height: 1;
	margin: .5rem 0;
}

.skh-summary .skh-button {
	width: 100%;
	margin-top: .55rem;
}

.skh-calc-line {
	display: grid;
	grid-template-columns: 1.4fr .75fr .8fr auto;
	gap: .5rem;
	align-items: end;
	padding: .7rem 0;
	border-top: 1px solid var(--skh-line);
}

.skh-calc-line label {
	margin: 0;
}

.skh-calc-line button {
	width: 42px;
	height: 42px;
	border: 1px solid var(--skh-line);
	border-radius: 50%;
	background: #fff;
	color: var(--skh-danger);
	font-size: 1.2rem;
	cursor: pointer;
}

.skh-breakdown-row,
.skh-list-row {
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	padding: .48rem 0;
	border-bottom: 1px solid var(--skh-line);
}

.skh-note,
.skh-guidance,
.skh-controls small {
	color: var(--skh-muted);
	font-size: .82rem;
	line-height: 1.45;
}

.skh-guidance {
	background: #f4f7f4;
	border: 1px solid #cfd9d1;
	border-radius: 16px;
	padding: 1rem 1.2rem;
	margin-bottom: 1rem;
}

.skh-guidance h3 {
	margin-bottom: .4rem;
}

.skh-guidance ul {
	margin: 0;
	padding-left: 1.15rem;
}

.skh-upload {
	border: 1px dashed #9c8e88;
	border-radius: 14px;
	background: var(--skh-soft);
	padding: 1rem;
	cursor: pointer;
}

.skh-upload input {
	position: absolute;
	inline-size: 1px;
	block-size: 1px;
	opacity: 0;
}

.skh-catalog {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: .55rem;
	margin: .7rem 0;
}

.skh-catalog button {
	background: #fff;
	border-color: var(--skh-line);
	border-radius: 12px;
	color: var(--skh-ink);
	padding: .7rem;
	text-align: left;
}

.skh-catalog button.is-active {
	border-color: var(--skh-accent);
	box-shadow: inset 0 0 0 1px var(--skh-accent);
	background: #fbf4f6;
}

.skh-transform-controls {
	display: grid;
	gap: .5rem;
	margin-top: 1rem;
}

.skh-transform-controls input[type="range"] {
	min-height: 28px;
	padding: 0;
}

.skh-canvas-card canvas {
	display: block;
	width: 100%;
	height: auto;
	max-height: 72vh;
	background: #ece9e6;
	border: 1px solid var(--skh-line);
	border-radius: 14px;
	touch-action: none;
}

.skh-entry-form {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: .6rem;
	margin-bottom: 1rem;
}

.skh-entry-form textarea {
	grid-column: span 2;
}

.skh-entry-form button {
	align-self: end;
}

.skh-data-table {
	width: 100%;
	border-collapse: collapse;
	font-size: .88rem;
}

.skh-data-table th,
.skh-data-table td {
	padding: .7rem .55rem;
	border-bottom: 1px solid var(--skh-line);
	text-align: left;
	vertical-align: top;
}

.skh-data-table button {
	border: 0;
	background: transparent;
	color: var(--skh-danger);
	font-weight: 700;
	cursor: pointer;
}

.skh-floor-layout {
	display: grid;
	grid-template-columns: 230px minmax(0, 1fr);
	gap: 1rem;
}

.skh-floor-palette {
	display: grid;
	align-content: start;
	gap: .5rem;
}

.skh-floor-palette button {
	border-radius: 10px;
	background: #fff;
	color: var(--skh-ink);
	border-color: var(--skh-line);
	text-align: left;
}

.skh-floor-canvas canvas {
	max-height: none;
}

[data-save-status].is-success {
	color: var(--skh-good);
	font-weight: 700;
}

[data-save-status].is-error {
	color: var(--skh-danger);
	font-weight: 700;
}

@media (max-width: 840px) {
	.skh-grid,
	.skh-grid--tryon,
	.skh-floor-layout {
		grid-template-columns: 1fr;
	}
	.skh-entry-form {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
	.skh-floor-palette {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
	.skh-floor-palette h3,
	.skh-floor-palette hr,
	.skh-floor-palette label,
	.skh-floor-palette p {
		grid-column: 1 / -1;
	}
}

@media (max-width: 560px) {
	.skh-hub {
		padding: 1rem;
		border-radius: 18px;
	}
	.skh-field-row,
	.skh-field-row--three,
	.skh-entry-form,
	.skh-calc-line {
		grid-template-columns: 1fr;
	}
	.skh-entry-form textarea {
		grid-column: auto;
	}
	.skh-calc-line button {
		width: 100%;
		border-radius: 10px;
	}
	.skh-data-table {
		display: block;
		overflow-x: auto;
	}
}

@media (prefers-reduced-motion: reduce) {
	.skh-hub *, .skh-tool * { scroll-behavior: auto !important; transition: none !important; }
}