/*
 * Sankey Studio — shared styles (public chart + admin tokens).
 * Visual language: shadcn/ui (zinc). Tokens are HSL triplets, exactly like shadcn.
 */

@font-face {
	font-family: "Inter";
	font-style: normal;
	font-weight: 100 900;
	font-display: swap;
	src: url("../fonts/inter-latin-wght-normal.woff2") format("woff2-variations"), url("../fonts/inter-latin-wght-normal.woff2") format("woff2");
	unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
	font-family: "Inter";
	font-style: normal;
	font-weight: 100 900;
	font-display: swap;
	src: url("../fonts/inter-latin-ext-wght-normal.woff2") format("woff2-variations"), url("../fonts/inter-latin-ext-wght-normal.woff2") format("woff2");
	unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- tokens ---------- */

.sks-root,
.sks-admin {
	--sks-font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--sks-background: 0 0% 100%;
	--sks-foreground: 240 10% 3.9%;
	--sks-card: 0 0% 100%;
	--sks-card-foreground: 240 10% 3.9%;
	--sks-popover: 0 0% 100%;
	--sks-primary: 240 5.9% 10%;
	--sks-primary-foreground: 0 0% 98%;
	--sks-secondary: 240 4.8% 95.9%;
	--sks-secondary-foreground: 240 5.9% 10%;
	--sks-muted: 240 4.8% 95.9%;
	--sks-muted-foreground: 240 3.8% 46.1%;
	--sks-accent: 240 4.8% 95.9%;
	--sks-accent-foreground: 240 5.9% 10%;
	--sks-destructive: 0 84.2% 60.2%;
	--sks-destructive-foreground: 0 0% 98%;
	--sks-border: 240 5.9% 90%;
	--sks-input: 240 5.9% 90%;
	--sks-ring: 240 5.9% 10%;
	--sks-radius: 0.5rem;
	--sks-success: 142 71% 35%;
	--sks-warning: 38 92% 45%;
}

.sks-root[data-theme="dark"],
.sks-admin[data-theme="dark"] {
	--sks-background: 240 10% 3.9%;
	--sks-foreground: 0 0% 98%;
	--sks-card: 240 10% 3.9%;
	--sks-card-foreground: 0 0% 98%;
	--sks-popover: 240 10% 5.5%;
	--sks-primary: 0 0% 98%;
	--sks-primary-foreground: 240 5.9% 10%;
	--sks-secondary: 240 3.7% 15.9%;
	--sks-secondary-foreground: 0 0% 98%;
	--sks-muted: 240 3.7% 15.9%;
	--sks-muted-foreground: 240 5% 64.9%;
	--sks-accent: 240 3.7% 15.9%;
	--sks-accent-foreground: 0 0% 98%;
	--sks-destructive: 0 62.8% 45%;
	--sks-destructive-foreground: 0 0% 98%;
	--sks-border: 240 3.7% 15.9%;
	--sks-input: 240 3.7% 15.9%;
	--sks-ring: 240 4.9% 83.9%;
	--sks-success: 142 60% 50%;
	--sks-warning: 38 92% 55%;
}

@media (prefers-color-scheme: dark) {
	.sks-root[data-theme="auto"] {
		--sks-background: 240 10% 3.9%;
		--sks-foreground: 0 0% 98%;
		--sks-card: 240 10% 3.9%;
		--sks-card-foreground: 0 0% 98%;
		--sks-popover: 240 10% 5.5%;
		--sks-primary: 0 0% 98%;
		--sks-primary-foreground: 240 5.9% 10%;
		--sks-secondary: 240 3.7% 15.9%;
		--sks-secondary-foreground: 0 0% 98%;
		--sks-muted: 240 3.7% 15.9%;
		--sks-muted-foreground: 240 5% 64.9%;
		--sks-accent: 240 3.7% 15.9%;
		--sks-accent-foreground: 0 0% 98%;
		--sks-border: 240 3.7% 15.9%;
		--sks-input: 240 3.7% 15.9%;
		--sks-ring: 240 4.9% 83.9%;
	}
}

/* ---------- public chart card ---------- */

.sks-root {
	display: block;
	margin: 1.5em 0;
	font-family: var(--sks-font);
	font-size: 14px;
	line-height: 1.5;
	color: hsl(var(--sks-foreground));
	-webkit-text-size-adjust: 100%;
}
.sks-root *,
.sks-root *::before,
.sks-root *::after { box-sizing: border-box; }

.sks-root .sks-card {
	display: flex;
	flex-direction: column;
	gap: 0;
	margin: 0;
	padding: 0;
	background: hsl(var(--sks-card));
	color: hsl(var(--sks-card-foreground));
	border: 1px solid hsl(var(--sks-border));
	border-radius: calc(var(--sks-radius) + 4px);
	box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
	overflow: hidden;
	position: relative;
}
.sks-root .sks-card.sks-plain {
	border-color: transparent;
	box-shadow: none;
	background: transparent;
	border-radius: 0;
}

.sks-root .sks-head {
	display: flex;
	align-items: center;
	gap: 16px;
	padding: 22px 24px 8px;
	margin: 0;
	border: 0;
}
.sks-root .sks-plain .sks-head { padding-left: 0; padding-right: 0; }
.sks-root .sks-head[hidden],
.sks-root .sks-foot[hidden],
.sks-root .sks-title[hidden],
.sks-root .sks-sub[hidden],
.sks-root .sks-logo[hidden],
.sks-root .sks-tip[hidden] { display: none !important; }

.sks-root .sks-logo {
	display: block;
	height: 40px;
	width: auto;
	max-width: 160px;
	margin: 0;
	padding: 0;
	border: 0;
	border-radius: 0;
	box-shadow: none;
	object-fit: contain;
	flex: none;
}
.sks-root .sks-head-text { flex: 1 1 auto; min-width: 0; }
.sks-root .sks-title {
	margin: 0;
	padding: 0;
	font-family: var(--sks-font);
	font-size: 22px;
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: -0.02em;
	color: hsl(var(--sks-foreground));
	text-transform: none;
	border: 0;
}
.sks-root .sks-sub {
	margin: 4px 0 0;
	padding: 0;
	font-size: 14px;
	line-height: 1.4;
	color: hsl(var(--sks-muted-foreground));
}
.sks-root .sks-actions { display: flex; gap: 6px; flex: none; }
.sks-root .sks-actions:empty { display: none; }

.sks-root .sks-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	height: 32px;
	margin: 0;
	padding: 0 12px;
	font-family: var(--sks-font);
	font-size: 12px;
	font-weight: 500;
	line-height: 1;
	letter-spacing: 0;
	text-transform: none;
	color: hsl(var(--sks-foreground));
	background: hsl(var(--sks-background));
	border: 1px solid hsl(var(--sks-input));
	border-radius: calc(var(--sks-radius) - 2px);
	box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
	cursor: pointer;
	transition: background-color 0.15s, color 0.15s;
}
.sks-root .sks-btn:hover { background: hsl(var(--sks-accent)); color: hsl(var(--sks-accent-foreground)); }
.sks-root .sks-btn:focus-visible { outline: 2px solid hsl(var(--sks-ring)); outline-offset: 2px; }

.sks-root .sks-body { position: relative; padding: 8px 12px 12px; }
.sks-root .sks-plain .sks-body { padding-left: 0; padding-right: 0; }
.sks-root .sks-scroll { overflow-x: auto; overflow-y: hidden; width: 100%; -webkit-overflow-scrolling: touch; }
.sks-root .sks-canvas { margin: 0; padding: 0; line-height: 0; }
.sks-root .sks-svg { display: block; max-width: none; height: auto; overflow: visible; margin: 0; }

.sks-root .sks-foot {
	margin: 0;
	padding: 0 24px 18px;
	font-size: 12px;
	line-height: 1.4;
	color: hsl(var(--sks-muted-foreground));
}
.sks-root .sks-plain .sks-foot { padding-left: 0; padding-right: 0; }

/* hover emphasis */
.sks-root .sks-link,
.sks-root .sks-node,
.sks-root .sks-lab { transition: opacity 0.15s ease; }
.sks-root .sks-link, .sks-root .sks-node { cursor: pointer; }
.sks-root .sks-svg.sks-hovering [data-k] { opacity: 0.16; }
.sks-root .sks-svg.sks-hovering [data-k].sks-on { opacity: 1; }
.sks-root .sks-svg.sks-hovering .sks-link.sks-on { opacity: 1; filter: saturate(1.15); }

/* tooltip (shadcn popover) */
.sks-root .sks-tip {
	position: absolute;
	top: 0;
	left: 0;
	z-index: 5;
	display: flex;
	flex-direction: column;
	gap: 2px;
	max-width: 280px;
	padding: 8px 12px;
	font-size: 12px;
	line-height: 1.35;
	color: hsl(var(--sks-foreground));
	background: hsl(var(--sks-popover));
	border: 1px solid hsl(var(--sks-border));
	border-radius: calc(var(--sks-radius) - 2px);
	box-shadow: 0 4px 12px -2px rgb(0 0 0 / 0.12), 0 2px 4px -2px rgb(0 0 0 / 0.08);
	pointer-events: none;
	will-change: transform;
}
.sks-root .sks-tip strong { font-weight: 600; }
.sks-root .sks-tip span { font-size: 15px; font-weight: 700; font-variant-numeric: tabular-nums; }
.sks-root .sks-tip em { font-style: normal; color: hsl(var(--sks-muted-foreground)); }

/* screen-reader data table */
.sks-sr {
	position: absolute !important;
	width: 1px; height: 1px;
	margin: -1px; padding: 0;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

/* no-JS fallback table (server rendered) */
.sks-fallback table { width: 100%; border-collapse: collapse; font-size: 14px; }
.sks-fallback caption { text-align: left; font-weight: 600; padding: 8px 0; }
.sks-fallback th, .sks-fallback td { text-align: left; padding: 6px 8px; border-bottom: 1px solid #e4e4e7; }

@media (max-width: 640px) {
	.sks-root .sks-head { padding: 16px 16px 4px; flex-wrap: wrap; }
	.sks-root .sks-title { font-size: 18px; }
	.sks-root .sks-foot { padding: 0 16px 14px; }
	.sks-root .sks-body { padding: 4px 4px 10px; }
}

@media (prefers-reduced-motion: reduce) {
	.sks-root .sks-link, .sks-root .sks-node, .sks-root .sks-lab { transition: none; }
}