/*
 * PHASE 2E-1 - Specific Quiz Leaderboard styles (2P3-2A additions appended below).
 * Section-level only. Every selector is namespaced under .jqc-leaderboard*.
 */

.jqc-leaderboard {
	display: block;
	width: 100%;
	max-width: 100%;
	margin: 0 0 2rem;
	scroll-margin-top: 90px;
}

.jqc-leaderboard__header {
	margin: 0 0 1rem;
}

.jqc-leaderboard__eyebrow {
	display: flex;
	align-items: center;
	gap: 0.4rem;
	margin: 0;
	font-size: 0.95rem;
	font-weight: 700;
	line-height: 1.3;
}

.jqc-leaderboard__trophy {
	font-size: 1.05em;
}

.jqc-leaderboard__title {
	margin: 0.15rem 0 0;
	font-size: clamp(1.25rem, 2.4vw, 1.75rem);
	line-height: 1.25;
}

.jqc-leaderboard__subtitle {
	margin: 0.35rem 0 0;
	font-size: 0.95rem;
	opacity: 0.75;
}

/* ---------- Controls ---------- */

.jqc-leaderboard__controls {
	position: relative;
	margin: 0 0 0.65rem;
	max-width: 100%;
}

.jqc-leaderboard__scroller {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin: 0;
	padding: 0;
	list-style: none;
	max-width: 100%;
}

.jqc-leaderboard__control-item {
	margin: 0;
	padding: 0;
	list-style: none;
}

.jqc-leaderboard__control {
	display: inline-flex;
	align-items: center;
	min-height: 44px;
	padding: 0.5rem 0.9rem;
	border: 1px solid rgba(0, 0, 0, 0.12);
	border-radius: 999px;
	background: rgba(0, 0, 0, 0.02);
	color: inherit;
	font-size: 0.9rem;
	font-weight: 600;
	line-height: 1.2;
	text-decoration: none;
	white-space: nowrap;
	transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.jqc-leaderboard__control:hover,
.jqc-leaderboard__control:focus {
	border-color: rgba(0, 0, 0, 0.28);
	background: rgba(0, 0, 0, 0.06);
	text-decoration: none;
}

.jqc-leaderboard__control:focus-visible {
	outline: 2px solid currentColor;
	outline-offset: 2px;
}

.jqc-leaderboard__control.is-active,
.jqc-leaderboard__control[aria-current="true"] {
	border-color: currentColor;
	background: rgba(0, 0, 0, 0.85);
	color: #fff;
}

.jqc-leaderboard__control--type {
	min-height: 40px;
	font-weight: 500;
}

/* ---------- Rows ---------- */

.jqc-leaderboard__list {
	display: grid;
	gap: 0.5rem;
	margin: 1.1rem 0 0;
	padding: 0;
	list-style: none;
}

.jqc-leaderboard__row {
	display: grid;
	grid-template-columns: 3.25rem minmax(0, 1fr) auto;
	align-items: center;
	gap: 0.75rem;
	margin: 0;
	padding: 0.7rem 0.9rem;
	border: 1px solid rgba(0, 0, 0, 0.1);
	border-radius: 14px;
	background: rgba(0, 0, 0, 0.015);
	list-style: none;
}

.jqc-leaderboard__row--top {
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.jqc-leaderboard__row--rank-1 {
	border-color: rgba(197, 154, 27, 0.55);
	background: linear-gradient(180deg, rgba(255, 214, 102, 0.22), rgba(255, 214, 102, 0.06));
}

.jqc-leaderboard__row--rank-2 {
	border-color: rgba(140, 145, 155, 0.5);
	background: linear-gradient(180deg, rgba(190, 196, 206, 0.24), rgba(190, 196, 206, 0.06));
}

.jqc-leaderboard__row--rank-3 {
	border-color: rgba(166, 111, 63, 0.45);
	background: linear-gradient(180deg, rgba(212, 150, 96, 0.2), rgba(212, 150, 96, 0.05));
}

.jqc-leaderboard__rank {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	position: relative;
	min-width: 2.5rem;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}

.jqc-leaderboard__medal {
	font-size: 1.35rem;
	line-height: 1;
}

.jqc-leaderboard__row--top .jqc-leaderboard__rank-plain {
	display: none;
}

/* The numeric rank stays available to assistive technology. */
.jqc-leaderboard__rank-number,
.jqc-leaderboard__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;
}

.jqc-leaderboard__participant {
	display: flex;
	align-items: center;
	gap: 0.35rem;
	min-width: 0;
}

.jqc-leaderboard__name {
	overflow: hidden;
	font-weight: 600;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.jqc-leaderboard__badge {
	flex: 0 0 auto;
	position: relative;
	font-size: 0.85em;
	line-height: 1;
}

.jqc-leaderboard__metrics {
	display: inline-flex;
	align-items: center;
	gap: 0.9rem;
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}

.jqc-leaderboard__score {
	position: relative;
	font-weight: 700;
}

.jqc-leaderboard__correct,
.jqc-leaderboard__time {
	position: relative;
	font-size: 0.9rem;
	opacity: 0.75;
}

/* ---------- Empty states ---------- */

.jqc-leaderboard__empty {
	padding: 1.25rem;
	border: 1px dashed rgba(0, 0, 0, 0.18);
	border-radius: 12px;
	text-align: center;
}

.jqc-leaderboard__empty-title {
	margin: 0;
	font-size: 0.98rem;
	font-weight: 600;
}

/* ---------- Mobile ---------- */

@media (max-width: 640px) {
	.jqc-leaderboard__scroller {
		flex-wrap: nowrap;
		overflow-x: auto;
		overflow-y: hidden;
		-webkit-overflow-scrolling: touch;
		scroll-snap-type: x proximity;
		padding-bottom: 0.35rem;
		scrollbar-width: thin;
	}

	.jqc-leaderboard__control-item {
		flex: 0 0 auto;
		scroll-snap-align: start;
	}

	.jqc-leaderboard__row {
		grid-template-columns: 2.5rem minmax(0, 1fr);
		gap: 0.5rem 0.6rem;
		padding: 0.65rem 0.7rem;
	}

	.jqc-leaderboard__metrics {
		grid-column: 2;
		gap: 0.7rem;
		font-size: 0.95rem;
	}

	.jqc-leaderboard__medal {
		font-size: 1.2rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.jqc-leaderboard__control {
		transition: none;
	}
}

/* ---------- PHASE 2O: Overall/Quiz mode control + pagination ---------- */

.jqc-leaderboard__control--mode {
	font-weight: 700;
}

.jqc-leaderboard__pagination {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem;
	margin: 1.25rem 0 0;
	max-width: 100%;
}

.jqc-leaderboard__pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	min-height: 44px;
	padding: 0.5rem 0.9rem;
	border: 1px solid rgba(0, 0, 0, 0.12);
	border-radius: 999px;
	background: rgba(0, 0, 0, 0.02);
	color: inherit;
	font-size: 0.9rem;
	font-weight: 600;
	line-height: 1.2;
	text-decoration: none;
	white-space: nowrap;
	transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.jqc-leaderboard__pagination a.page-numbers:hover,
.jqc-leaderboard__pagination a.page-numbers:focus {
	border-color: rgba(0, 0, 0, 0.28);
	background: rgba(0, 0, 0, 0.06);
	text-decoration: none;
}

.jqc-leaderboard__pagination a.page-numbers:focus-visible {
	outline: 2px solid currentColor;
	outline-offset: 2px;
}

.jqc-leaderboard__pagination .page-numbers.current {
	border-color: currentColor;
	background: rgba(0, 0, 0, 0.85);
	color: #fff;
}

.jqc-leaderboard__pagination .page-numbers.dots {
	min-width: 0;
	padding-right: 0.35rem;
	padding-left: 0.35rem;
	border-color: transparent;
	background: transparent;
	opacity: 0.6;
}

.jqc-leaderboard__pagination .page-numbers.prev,
.jqc-leaderboard__pagination .page-numbers.next {
	font-weight: 700;
}

.jqc-leaderboard__pagination span.page-numbers.prev,
.jqc-leaderboard__pagination span.page-numbers.next,
.jqc-leaderboard__pagination .page-numbers[aria-disabled="true"] {
	opacity: 0.45;
}

.jqc-leaderboard__pagination-status {
	flex: 0 0 100%;
	margin: 0.4rem 0 0;
	font-size: 0.85rem;
	opacity: 0.7;
}

@media (max-width: 640px) {
	.jqc-leaderboard__pagination {
		gap: 0.4rem;
	}

	.jqc-leaderboard__pagination .page-numbers {
		min-width: 40px;
		min-height: 40px;
		padding: 0.45rem 0.7rem;
		font-size: 0.85rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.jqc-leaderboard__pagination .page-numbers {
		transition: none;
	}
}

/* PHASE 2P2 FEATURE 5 - Class + Subject leaderboard filters. */
.jqc-leaderboard__controls--class,
.jqc-leaderboard__controls--subject { margin-top: 6px; }
.jqc-leaderboard__control--filter { font-size: 13px; }
.jqc-leaderboard__filter-status { margin: 8px 0 0; text-align: center; }
.jqc-leaderboard__filter-reset { font-size: 13px; text-decoration: underline; opacity: .85; }
.jqc-leaderboard__filter-reset:hover { opacity: 1; }

/* ---------- PHASE 2P3 FEATURE 2A - AJAX states (progressive enhancement) ---------- */

.jqc-shortcode[data-jqc-ajax="1"] {
	position: relative;
}

.jqc-shortcode[data-jqc-ajax="1"].jqc-is-loading .jqc-leaderboard {
	opacity: 0.55;
	transition: opacity 0.15s ease;
}

.jqc-shortcode[data-jqc-ajax="1"].jqc-is-loading .jqc-leaderboard__control,
.jqc-shortcode[data-jqc-ajax="1"].jqc-is-loading .jqc-leaderboard__pagination .page-numbers {
	pointer-events: none;
}

.jqc-leaderboard__ajax-error {
	margin: 0 0 0.75rem;
	padding: 0.6rem 0.9rem;
	border: 1px solid rgba(170, 40, 40, 0.35);
	border-radius: 12px;
	background: rgba(170, 40, 40, 0.07);
	font-size: 0.92rem;
}

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

.jqc-leaderboard:focus {
	outline: none;
}

.jqc-leaderboard:focus-visible {
	outline: 2px solid currentColor;
	outline-offset: 3px;
}