/* =========================================================================
 * Afrobeats Wire — Charts
 * Loaded only on /charts/ views, depends on afw-brand. Designed for the site's
 * dark ground (#111111); every colour resolves through the theme tokens so it
 * tracks the brand. Editorial serif (Instrument Serif) drives the rank numerals
 * and display type; the accent is brand purple, movement-up is brand mint.
 * ========================================================================= */

.c-charts {
	--chart-surface: var(--color-background-secondary, #1C1C1E);
	--chart-border: var(--color-border, #303030);
	--chart-accent: var(--afw-purple, #7C5CFC);
	--chart-accent-deep: var(--afw-purple-deep, #6B4AE8);
	--chart-up: var(--afw-mint, #39D98A);
	--chart-down: #FF6B6B;
	--chart-gold: var(--afw-lime, #B7E33B);
	--chart-radius: 14px;
	padding-block: var(--space-40, 40px) var(--space-56, 56px);
}

.c-charts .o-grid { row-gap: 0; }

/* --------------------------------------------------------------- masthead */

.c-charts__masthead {
	margin-bottom: var(--space-32, 32px);
	max-width: 52ch;
}
.c-charts__eyebrow {
	font-size: var(--font-size-scale-0, .78rem);
	text-transform: uppercase;
	letter-spacing: .18em;
	color: var(--chart-accent);
	margin: 0 0 var(--space-8, 8px);
	font-weight: 600;
}
.c-charts__title {
	font-family: var(--font-family-serif, 'Instrument Serif', Georgia, serif);
	font-weight: 400;
	line-height: .98;
	letter-spacing: -.01em;
	font-size: clamp(2.6rem, 6vw, 4.4rem);
	margin: 0 0 var(--space-16, 16px);
}
.c-charts__lede {
	color: var(--color-text-secondary, #B3B3B3);
	font-size: var(--font-size-scale-3, 1.1rem);
	line-height: 1.5;
	margin: 0 0 var(--space-16, 16px);
}
.c-charts__stamp {
	display: inline-flex;
	align-items: center;
	gap: var(--space-8, 8px);
	font-size: var(--font-size-scale-0, .78rem);
	text-transform: uppercase;
	letter-spacing: .08em;
	color: var(--color-text-secondary, #B3B3B3);
	margin: 0;
}
.c-charts__pulse {
	width: 8px; height: 8px; border-radius: 999px;
	background: var(--chart-up);
	box-shadow: 0 0 0 0 rgba(57, 217, 138, .6);
	animation: afw-pulse 2.4s ease-out infinite;
}
@keyframes afw-pulse {
	0%   { box-shadow: 0 0 0 0 rgba(57, 217, 138, .55); }
	70%  { box-shadow: 0 0 0 9px rgba(57, 217, 138, 0); }
	100% { box-shadow: 0 0 0 0 rgba(57, 217, 138, 0); }
}
@media (prefers-reduced-motion: reduce) { .c-charts__pulse { animation: none; } }

.c-charts__empty {
	border: 1px dashed var(--chart-border);
	border-radius: var(--chart-radius);
	padding: var(--space-40, 40px);
	color: var(--color-text-secondary, #B3B3B3);
	text-align: center;
}

/* ------------------------------------------------------- country switcher */

.c-charts__countries {
	display: flex;
	gap: var(--space-8, 8px);
	overflow-x: auto;
	padding-bottom: var(--space-12, 12px);
	margin-bottom: var(--space-32, 32px);
	scrollbar-width: thin;
	-webkit-overflow-scrolling: touch;
	mask-image: linear-gradient(90deg, #000 92%, transparent);
}
.c-charts__country {
	display: inline-flex;
	align-items: center;
	gap: var(--space-8, 8px);
	flex: 0 0 auto;
	padding: var(--space-8, 8px) var(--space-16, 16px);
	border: 1px solid var(--chart-border);
	border-radius: 999px;
	background: var(--chart-surface);
	color: inherit;
	text-decoration: none;
	font-size: var(--font-size-scale-1, .9rem);
	white-space: nowrap;
	transition: border-color .18s ease, transform .18s ease, background .18s ease;
}
.c-charts__country:hover { border-color: var(--chart-accent); transform: translateY(-1px); }
.c-charts__country.is-active {
	background: var(--chart-accent);
	border-color: var(--chart-accent);
	color: #fff;
}
.c-charts__flag { font-size: 1.15em; line-height: 1; }

/* ---------------------------------------------------------- section heads */

.c-charts__section { margin-bottom: var(--space-48, 48px); }
.c-charts__section-head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: var(--space-16, 16px);
	flex-wrap: wrap;
	margin-bottom: var(--space-20, 20px);
	padding-bottom: var(--space-12, 12px);
	border-bottom: 1px solid var(--chart-border);
}
.c-charts__section-head--spaced { margin-top: var(--space-16, 16px); }
.c-charts__h2 {
	font-family: var(--font-family-serif, 'Instrument Serif', Georgia, serif);
	font-weight: 400;
	font-size: clamp(1.6rem, 3.4vw, 2.3rem);
	line-height: 1.05;
	margin: 0;
}
.c-charts__section-note,
.c-charts__more {
	font-size: var(--font-size-scale-0, .78rem);
	text-transform: uppercase;
	letter-spacing: .08em;
	color: var(--color-text-secondary, #B3B3B3);
}
.c-charts__more { color: var(--chart-accent); text-decoration: none; white-space: nowrap; }
.c-charts__more:hover { color: var(--chart-accent-deep); }

/* ---------------------------------------------------- Africa Now (#1 wall) */

.c-africa-now {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
	gap: var(--space-16, 16px);
}
.c-now {
	display: flex;
	flex-direction: column;
	gap: var(--space-12, 12px);
	text-decoration: none;
	color: inherit;
	transition: transform .2s ease;
}
.c-now:hover { transform: translateY(-3px); }
.c-now__art-wrap { position: relative; display: block; }
.c-now__art {
	width: 100%;
	aspect-ratio: 1 / 1;
	object-fit: cover;
	border-radius: var(--chart-radius);
	border: 1px solid var(--chart-border);
	display: block;
	background: var(--chart-surface);
}
.c-now__art--empty {
	display: grid; place-items: center;
	font-size: 2.4rem; color: var(--chart-accent);
}
.c-now:hover .c-now__art { border-color: var(--chart-accent); }
.c-now__badge {
	position: absolute;
	top: var(--space-8, 8px); left: var(--space-8, 8px);
	background: var(--chart-accent);
	color: #fff;
	font-size: var(--font-size-scale-0, .72rem);
	font-weight: 700;
	letter-spacing: .04em;
	padding: 2px 8px;
	border-radius: 999px;
}
.c-now__meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.c-now__country {
	font-size: var(--font-size-scale-0, .72rem);
	text-transform: uppercase;
	letter-spacing: .06em;
	color: var(--color-text-secondary, #B3B3B3);
}
.c-now__title {
	font-weight: 600;
	line-height: 1.2;
	overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.c-now__artist {
	font-size: var(--font-size-scale-1, .88rem);
	color: var(--color-text-secondary, #B3B3B3);
	overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* -------------------------------------------------------------- spotlight */

.c-spotlight {
	position: relative;
	overflow: hidden;
	border-radius: calc(var(--chart-radius) + 4px);
	border: 1px solid var(--chart-border);
	margin-bottom: var(--space-24, 24px);
	isolation: isolate;
}
.c-spotlight__bg {
	position: absolute; inset: 0;
	background-size: cover; background-position: center;
	filter: blur(40px) saturate(1.3);
	transform: scale(1.25);
	opacity: .38;
	z-index: -1;
}
.c-spotlight::after {
	content: ''; position: absolute; inset: 0; z-index: -1;
	background: linear-gradient(105deg, rgba(17,17,17,.94) 30%, rgba(17,17,17,.62));
}
.c-spotlight__inner {
	display: flex;
	align-items: center;
	gap: var(--space-24, 24px);
	padding: var(--space-32, 32px);
}
.c-spotlight__art {
	width: 148px; height: 148px; flex: 0 0 auto;
	border-radius: var(--chart-radius);
	object-fit: cover;
	border: 1px solid rgba(255,255,255,.14);
	box-shadow: 0 18px 48px rgba(0,0,0,.5);
}
.c-spotlight__art--empty {
	display: grid; place-items: center;
	background: var(--chart-surface);
	font-family: var(--font-family-serif, serif);
	font-size: 3rem; color: var(--chart-accent);
}
.c-spotlight__body { min-width: 0; }
.c-spotlight__rank {
	display: inline-block;
	font-size: var(--font-size-scale-0, .74rem);
	text-transform: uppercase;
	letter-spacing: .14em;
	color: var(--chart-gold);
	margin-bottom: var(--space-8, 8px);
	font-weight: 600;
}
.c-spotlight__title {
	font-family: var(--font-family-serif, 'Instrument Serif', Georgia, serif);
	font-weight: 400;
	font-size: clamp(1.8rem, 4vw, 3rem);
	line-height: 1.02;
	margin: 0 0 var(--space-4, 4px);
}
.c-spotlight__title a { color: inherit; text-decoration: none; }
.c-spotlight__title a:hover { text-decoration: underline; text-decoration-color: var(--chart-accent); }
.c-spotlight__artist {
	font-size: var(--font-size-scale-3, 1.15rem);
	color: var(--color-text-secondary, #B3B3B3);
	margin: 0 0 var(--space-12, 12px);
}
.c-spotlight__facts {
	font-size: var(--font-size-scale-1, .88rem);
	color: var(--color-text-secondary, #B3B3B3);
	font-variant-numeric: tabular-nums;
	margin: 0 0 var(--space-12, 12px);
}
.c-spotlight__src {
	display: inline-block;
	font-size: var(--font-size-scale-0, .7rem);
	text-transform: uppercase;
	letter-spacing: .1em;
	color: var(--color-text-secondary, #B3B3B3);
	border: 1px solid var(--chart-border);
	border-radius: 999px;
	padding: 3px 10px;
}

/* ------------------------------------------------------------- source tabs */

.c-charts__tabs {
	display: flex;
	gap: var(--space-8, 8px);
	overflow-x: auto;
	margin-bottom: var(--space-32, 32px);
	scrollbar-width: none;
}
.c-charts__tabs::-webkit-scrollbar { display: none; }
.c-charts__tab {
	flex: 0 0 auto;
	display: flex;
	flex-direction: column;
	gap: 2px;
	padding: var(--space-8, 8px) var(--space-20, 20px);
	border: 1px solid var(--chart-border);
	border-radius: var(--chart-radius);
	background: var(--chart-surface);
	text-decoration: none;
	color: inherit;
	transition: border-color .18s ease, background .18s ease;
}
.c-charts__tab:hover { border-color: var(--chart-accent); }
.c-charts__tab.is-active {
	border-color: var(--chart-accent);
	background: color-mix(in srgb, var(--chart-accent) 16%, var(--chart-surface));
}
.c-charts__tab-brand {
	font-size: var(--font-size-scale-0, .68rem);
	text-transform: uppercase;
	letter-spacing: .08em;
	color: var(--color-text-secondary, #B3B3B3);
}
.c-charts__tab.is-active .c-charts__tab-brand { color: var(--chart-accent); }
.c-charts__tab-label { font-weight: 600; font-size: var(--font-size-scale-2, 1rem); }

/* ----------------------------------------------------------- movers strip */

.c-movers {
	display: grid;
	grid-auto-flow: column;
	grid-auto-columns: minmax(220px, 1fr);
	gap: var(--space-16, 16px);
	overflow-x: auto;
	padding-bottom: var(--space-8, 8px);
	scrollbar-width: thin;
}
.c-mover {
	display: flex;
	gap: var(--space-12, 12px);
	align-items: center;
	padding: var(--space-12, 12px);
	border: 1px solid var(--chart-border);
	border-radius: var(--chart-radius);
	background: var(--chart-surface);
}
.c-mover__art {
	width: 52px; height: 52px; flex: 0 0 auto;
	border-radius: 8px; object-fit: cover;
	border: 1px solid var(--chart-border);
}
.c-mover__art--empty { display: grid; place-items: center; color: var(--chart-accent); }
.c-mover__body { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.c-mover__delta {
	color: var(--chart-up); font-weight: 700; font-variant-numeric: tabular-nums;
	font-size: var(--font-size-scale-1, .9rem);
}
.c-mover__title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.c-mover__artist,
.c-mover__pos {
	font-size: var(--font-size-scale-0, .78rem);
	color: var(--color-text-secondary, #B3B3B3);
	overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.c-mover__pos { font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------- the Top 100 list */

.c-chart { list-style: none; margin: 0; padding: 0; counter-reset: none; }
.c-chart__row {
	display: grid;
	grid-template-columns: minmax(46px, auto) 44px 56px 1fr auto;
	align-items: center;
	gap: var(--space-16, 16px);
	padding: var(--space-12, 12px) var(--space-8, 8px);
	border-bottom: 1px solid var(--chart-border);
	transition: background .15s ease;
}
.c-chart__row:hover { background: var(--chart-surface); }
.c-chart__row--lead {
	background: color-mix(in srgb, var(--chart-accent) 10%, transparent);
	border-radius: var(--chart-radius) var(--chart-radius) 0 0;
}
.c-chart__rank {
	font-family: var(--font-family-serif, 'Instrument Serif', Georgia, serif);
	font-size: clamp(1.6rem, 3vw, 2.4rem);
	line-height: 1;
	text-align: right;
	color: var(--color-text-primary, #fff);
	font-variant-numeric: tabular-nums;
}
.c-chart__row--lead .c-chart__rank { color: var(--chart-accent); }
.c-chart__badge-cell { display: flex; justify-content: center; }
.c-chart__move {
	font-size: var(--font-size-scale-0, .74rem);
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	display: inline-flex; align-items: center; gap: 2px;
	white-space: nowrap;
}
.c-chart__move--up { color: var(--chart-up); }
.c-chart__move--down { color: var(--chart-down); }
.c-chart__move--new {
	color: #fff; background: var(--chart-accent);
	padding: 2px 7px; border-radius: 999px; font-size: .64rem; letter-spacing: .04em;
}
.c-chart__move--same { color: var(--color-text-secondary, #B3B3B3); }
.c-chart__art {
	width: 56px; height: 56px;
	border-radius: 8px; object-fit: cover;
	border: 1px solid var(--chart-border);
	background: var(--chart-surface);
}
.c-chart__art--empty {
	display: grid; place-items: center;
	font-family: var(--font-family-serif, serif);
	color: var(--color-text-secondary, #B3B3B3);
	font-size: 1.1rem;
}
.c-chart__meta { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.c-chart__title { font-weight: 600; line-height: 1.25; }
.c-chart__title a { color: inherit; text-decoration: none; }
.c-chart__title a:hover { text-decoration: underline; text-decoration-color: var(--chart-accent); }
.c-chart__artist {
	font-size: var(--font-size-scale-1, .88rem);
	color: var(--color-text-secondary, #B3B3B3);
}
.c-chart__stat { text-align: right; display: flex; flex-direction: column; gap: 1px; }
.c-chart__streams {
	font-weight: 700; font-variant-numeric: tabular-nums;
	color: var(--chart-gold);
	font-size: var(--font-size-scale-1, .9rem);
}
.c-chart__streams-label,
.c-chart__days {
	font-size: var(--font-size-scale-0, .68rem);
	text-transform: uppercase; letter-spacing: .06em;
	color: var(--color-text-secondary, #B3B3B3);
}
.c-chart__peak {
	font-size: var(--font-size-scale-0, .74rem);
	color: var(--color-text-secondary, #B3B3B3);
	font-variant-numeric: tabular-nums;
}

/* -------------------------------------------------------------------- foot */

.c-charts__foot {
	margin-top: var(--space-24, 24px);
	padding-top: var(--space-16, 16px);
	border-top: 1px solid var(--chart-border);
}
.c-charts__foot p {
	font-size: var(--font-size-scale-0, .78rem);
	color: var(--color-text-secondary, #B3B3B3);
	line-height: 1.6;
	max-width: 80ch;
	margin: 0;
}

/* ------------------------------------------------------------- responsive */

@media (max-width: 640px) {
	.c-chart__row {
		grid-template-columns: minmax(34px, auto) 38px 44px 1fr;
		gap: var(--space-12, 12px);
	}
	.c-chart__stat { display: none; }
	.c-chart__art { width: 44px; height: 44px; }
	.c-spotlight__inner { flex-direction: column; align-items: flex-start; text-align: left; }
	.c-spotlight__art { width: 120px; height: 120px; }
	.c-africa-now { grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); }
}

/* =========================================================================
 * Composite chart — primary tab, methodology, per-track platform chips
 * ========================================================================= */

/* The compiled chart's tab reads as the headline; the platform tabs behind it
   are clearly secondary sources. */
.c-charts__tab--primary {
	background: color-mix(in srgb, var(--chart-accent) 22%, var(--chart-surface));
	border-color: var(--chart-accent);
}
.c-charts__tab--primary .c-charts__tab-brand { color: var(--chart-gold); }
.c-charts__tab--primary.is-active {
	background: var(--chart-accent);
}
.c-charts__tab--primary.is-active .c-charts__tab-brand,
.c-charts__tab--primary.is-active .c-charts__tab-label { color: #fff; }

.c-charts__method {
	font-size: var(--font-size-scale-1, .9rem);
	color: var(--color-text-secondary, #B3B3B3);
	line-height: 1.55;
	background: var(--chart-surface);
	border: 1px solid var(--chart-border);
	border-radius: 10px;
	padding: var(--space-12, 12px) var(--space-16, 16px);
	margin: 0 0 var(--space-32, 32px);
	max-width: 80ch;
}
.c-charts__method strong {
	color: var(--chart-accent);
	text-transform: uppercase;
	letter-spacing: .06em;
	font-size: .82em;
}

/* "Charting on" chips under each composite row's title. */
.c-chart__sources {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-top: 6px;
}
.c-src {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	font-size: .66rem;
	font-weight: 600;
	letter-spacing: .01em;
	padding: 2px 7px 2px 8px;
	border-radius: 999px;
	border: 1px solid var(--chart-border);
	color: var(--color-text-secondary, #B3B3B3);
	background: color-mix(in srgb, var(--chart-surface) 60%, transparent);
	white-space: nowrap;
}
.c-src__pos {
	font-variant-numeric: tabular-nums;
	color: var(--color-text-primary, #fff);
	background: rgba(255,255,255,.08);
	border-radius: 999px;
	padding: 0 5px;
	font-size: .62rem;
}
/* Platform accents so the sources read at a glance. */
.c-src--apple   { border-color: #FA57C1; color: #FA8ED6; }
.c-src--itunes  { border-color: #C86DD7; color: #D79BE8; }
.c-src--spotify { border-color: #1DB954; color: #4ee083; }
.c-src--shazam  { border-color: #3B82F6; color: #7cabff; }
.c-src--youtube { border-color: #FF4E45; color: #ff8a84; }
.c-src--deezer  { border-color: #A238FF; color: #c48bff; }

.c-chart__platcount {
	font-family: var(--font-family-serif, 'Instrument Serif', Georgia, serif);
	font-size: 1.5rem;
	line-height: 1;
	color: var(--chart-accent);
	font-variant-numeric: tabular-nums;
}
.c-chart--composite .c-chart__row { align-items: start; padding-top: var(--space-16, 16px); }
.c-chart--composite .c-chart__rank { padding-top: 2px; }

@media (max-width: 640px) {
	/* Keep the platform chips even though the stat column is hidden. */
	.c-chart__sources { gap: 4px; }
	.c-src { font-size: .6rem; padding: 1px 6px; }
}