/*
 * Historia zmian eduSky — wygląd zgodny z motywem edusky.pl (Elementra, skórka SaaS).
 * Kolory i promienie biorą zmienne motywu, gdy istnieją; wartości po przecinku to kolory edusky.pl.
 * Własne zmienne --ecl-* można nadpisać w CSS motywu, np. .edusky-changelog { --ecl-accent: #0a5bd8; }
 */
.edusky-changelog {
	--ecl-accent: var(--wp--preset--color--theme-color-link, #1e70f1);
	--ecl-accent-soft: rgba(30, 112, 241, 0.1);
	/* tekst akcentu na jasnym tle akcentu (numer wersji): ≥ 4,5:1 */
	--ecl-accent-strong: #185fd0;
	--ecl-title: var(--wp--preset--color--theme-color-title, #111a29);
	--ecl-text: #4a4a5c;
	--ecl-muted: #6e6c7e;
	--ecl-border: var(--wp--preset--color--theme-color-bd-color, #e3e9eb);
	--ecl-surface: var(--wp--preset--color--theme-color-bg-color, #ffffff);
	--ecl-surface-alt: var(--wp--preset--color--theme-color-bg-color-2, #f8f9fa);
	--ecl-mode-bg: #fff4e0;
	--ecl-mode-text: #8a4b00;
	--ecl-radius: var(--theme-var-global-border-radius, 20px);
	--ecl-radius-small: var(--theme-var-global-border-radius-small, 12px);
	--ecl-heading-font: var(--theme-font-h2_font-family, inherit);
	--ecl-scroll-offset: 120px;

	position: relative;
	color: var(--ecl-text);
	font-size: 16px;
	line-height: 1.6;
	scroll-margin-top: var(--ecl-scroll-offset);
}

@supports (color: color-mix(in srgb, red 10%, transparent)) {
	.edusky-changelog {
		--ecl-accent-soft: color-mix(in srgb, var(--ecl-accent) 10%, transparent);
		--ecl-accent-strong: color-mix(in srgb, var(--ecl-accent) 82%, #000000);
	}
}

.edusky-changelog *,
.edusky-changelog *::before,
.edusky-changelog *::after {
	box-sizing: border-box;
}

.edusky-changelog .edusky-changelog__sr {
	position: absolute !important;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	clip-path: inset(50%);
	white-space: nowrap;
	border: 0;
}

.edusky-changelog a {
	text-decoration: none;
}

.edusky-changelog a:focus-visible,
.edusky-changelog button:focus-visible,
.edusky-changelog select:focus-visible {
	outline: 3px solid var(--ecl-accent);
	outline-offset: 2px;
}

/* ---------- pasek: podsumowanie, kolejność, miesiąc ---------- */

.edusky-changelog .edusky-changelog__toolbar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 16px 24px;
	margin: 0 0 40px;
	padding: 16px 20px;
	background: var(--ecl-surface-alt);
	border: 1px solid var(--ecl-border);
	border-radius: var(--ecl-radius);
}

.edusky-changelog .edusky-changelog__summary {
	flex: 1 1 320px;
	margin: 0;
	font-size: 15px;
	line-height: 1.5;
	color: var(--ecl-muted);
}

.edusky-changelog .edusky-changelog__summary strong {
	color: var(--ecl-title);
	font-weight: 600;
}

.edusky-changelog .edusky-changelog__controls {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 12px;
}

.edusky-changelog .edusky-changelog__sort {
	display: inline-flex;
	padding: 4px;
	background: var(--ecl-surface);
	border: 1px solid var(--ecl-border);
	border-radius: var(--ecl-radius-small);
}

.edusky-changelog .edusky-changelog__sort-option {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 36px;
	padding: 6px 14px;
	/* przezroczysta ramka: w trybie wysokiego kontrastu aktywna opcja dostaje widoczną (niżej) */
	border: 2px solid transparent;
	border-radius: 8px;
	color: var(--ecl-title);
	font-size: 14px;
	font-weight: 600;
	line-height: 1.2;
	white-space: nowrap;
	transition: background-color 0.15s ease, color 0.15s ease;
}

.edusky-changelog .edusky-changelog__sort-option:hover {
	color: var(--ecl-accent);
}

.edusky-changelog .edusky-changelog__sort-option.is-active,
.edusky-changelog .edusky-changelog__sort-option.is-active:hover {
	background: var(--ecl-accent);
	color: #ffffff;
}

.edusky-changelog .edusky-changelog__jump {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	margin: 0;
}

.edusky-changelog .edusky-changelog__jump-label {
	margin: 0;
	color: var(--ecl-muted);
	font-size: 14px;
	font-weight: 500;
}

.edusky-changelog .edusky-changelog__select {
	width: auto;
	min-width: 180px;
	height: 46px;
	margin: 0;
	padding: 0 40px 0 14px;
	background: var(--ecl-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%23111a29' stroke-width='1.6' d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 14px center;
	border: 1px solid var(--ecl-border);
	border-radius: var(--ecl-radius-small);
	color: var(--ecl-title);
	font: inherit;
	font-size: 14px;
	font-weight: 600;
	line-height: 1.2;
	appearance: none;
	-webkit-appearance: none;
	box-shadow: none;
	cursor: pointer;
}

.edusky-changelog .edusky-changelog__select:hover {
	border-color: var(--ecl-accent);
}

.edusky-changelog .edusky-changelog__jump-submit {
	display: inline-flex;
	align-items: center;
	height: 46px;
	margin: 0;
	padding: 0 18px;
	background: var(--ecl-surface);
	border: 1px solid var(--ecl-accent);
	border-radius: var(--ecl-radius-small);
	color: var(--ecl-accent);
	font: inherit;
	font-size: 14px;
	font-weight: 600;
	line-height: 1;
	text-transform: none;
	letter-spacing: 0;
	box-shadow: none;
	cursor: pointer;
	transition: background-color 0.15s ease, color 0.15s ease;
}

.edusky-changelog .edusky-changelog__jump-submit:hover {
	background: var(--ecl-accent);
	color: #ffffff;
}

/* ---------- miesiąc ---------- */

.edusky-changelog .edusky-changelog__month {
	margin: 0 0 56px;
	scroll-margin-top: var(--ecl-scroll-offset);
}

.edusky-changelog .edusky-changelog__month:last-child {
	margin-bottom: 0;
}

.edusky-changelog .edusky-changelog__month-head {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 6px 16px;
	margin: 0 0 24px;
	padding: 0;
	border: 0;
}

.edusky-changelog .edusky-changelog__month-title {
	margin: 0;
	padding: 0;
	color: var(--ecl-title);
	font-family: var(--ecl-heading-font);
	font-size: clamp(26px, 2.6vw, 34px);
	font-weight: 600;
	line-height: 1.15;
	letter-spacing: -0.6px;
	text-transform: none;
}

.edusky-changelog .edusky-changelog__month-title:focus {
	outline: none;
}

.edusky-changelog .edusky-changelog__month-meta {
	margin: 0;
	color: var(--ecl-muted);
	font-size: 15px;
	line-height: 1.4;
}

/* ---------- wersje: oś czasu z kartami ---------- */

.edusky-changelog .edusky-changelog__versions {
	position: relative;
	padding-left: 32px;
}

.edusky-changelog .edusky-changelog__versions::before {
	content: "";
	position: absolute;
	top: 12px;
	bottom: 12px;
	left: 7px;
	width: 2px;
	background: var(--ecl-border);
	border-radius: 2px;
}

.edusky-changelog .edusky-changelog__version {
	position: relative;
	margin: 0 0 16px;
	padding: 20px 24px;
	background: var(--ecl-surface);
	border: 1px solid var(--ecl-border);
	border-radius: var(--ecl-radius);
	box-shadow: 0 1px 2px rgba(17, 26, 41, 0.04);
}

.edusky-changelog .edusky-changelog__version:last-child {
	margin-bottom: 0;
}

.edusky-changelog .edusky-changelog__version::before {
	content: "";
	position: absolute;
	top: 26px;
	left: -32px;
	width: 16px;
	height: 16px;
	background: var(--ecl-surface);
	border: 4px solid var(--ecl-accent);
	border-radius: 50%;
}

.edusky-changelog .edusky-changelog__version-title {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 6px 12px;
	margin: 0 0 8px;
	padding: 0;
	color: var(--ecl-title);
	font-family: inherit;
	font-size: 16px;
	font-weight: 600;
	line-height: 1.3;
	letter-spacing: 0;
	text-transform: none;
}

.edusky-changelog .edusky-changelog__number {
	display: inline-flex;
	align-items: center;
	padding: 4px 12px;
	background: var(--ecl-accent-soft);
	border-radius: 999px;
	color: var(--ecl-accent-strong);
	font-size: 14px;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	letter-spacing: 0.2px;
}

.edusky-changelog .edusky-changelog__date {
	color: var(--ecl-muted);
	font-size: 14px;
	font-weight: 500;
}

.edusky-changelog .edusky-changelog__changes {
	margin: 0;
	padding: 0;
	list-style: none;
}

.edusky-changelog .edusky-changelog__change {
	margin: 0;
	padding: 10px 0;
	border-top: 1px solid var(--ecl-border);
	color: var(--ecl-text);
	font-size: 15.5px;
	line-height: 1.6;
	list-style: none;
}

.edusky-changelog .edusky-changelog__change:first-child {
	border-top: 0;
}

.edusky-changelog .edusky-changelog__change::before,
.edusky-changelog .edusky-changelog__change::marker {
	content: none;
}

.edusky-changelog .edusky-changelog__area {
	display: inline-block;
	margin: 0 6px 0 0;
	padding: 1px 10px;
	background: var(--ecl-surface-alt);
	border: 1px solid var(--ecl-border);
	border-radius: 8px;
	color: var(--ecl-title);
	font-size: 13px;
	font-weight: 600;
	line-height: 1.6;
	vertical-align: 1px;
	white-space: nowrap;
}

.edusky-changelog .edusky-changelog__mode {
	display: inline-block;
	margin-left: 4px;
	padding: 0 8px;
	background: var(--ecl-mode-bg);
	border-radius: 8px;
	color: var(--ecl-mode-text);
	font-size: 12.5px;
	font-weight: 600;
	line-height: 1.7;
	vertical-align: 1px;
	white-space: nowrap;
}

.edusky-changelog .edusky-changelog__fixes {
	margin: 0;
	color: var(--ecl-muted);
	font-size: 15px;
	font-style: italic;
}

/* ---------- stronicowanie ---------- */

.edusky-changelog .edusky-changelog__pagination {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: center;
	gap: 12px 16px;
	margin: 48px 0 0;
}

.edusky-changelog .edusky-changelog__pages {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: center;
	gap: 6px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.edusky-changelog .edusky-changelog__pages > li {
	margin: 0;
	padding: 0;
	list-style: none;
}

.edusky-changelog .edusky-changelog__pages > li::before,
.edusky-changelog .edusky-changelog__pages > li::marker {
	content: none;
}

.edusky-changelog .edusky-changelog__page {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	height: 44px;
	padding: 0 10px;
	background: var(--ecl-surface);
	border: 1px solid var(--ecl-border);
	border-radius: var(--ecl-radius-small);
	color: var(--ecl-title);
	font-size: 15px;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
	line-height: 1;
	transition: border-color 0.15s ease, color 0.15s ease;
}

.edusky-changelog a.edusky-changelog__page:hover {
	border-color: var(--ecl-accent);
	color: var(--ecl-accent);
}

.edusky-changelog .edusky-changelog__page.is-current {
	background: var(--ecl-accent);
	border-color: var(--ecl-accent);
	color: #ffffff;
}

.edusky-changelog .edusky-changelog__gap {
	min-width: 20px;
	color: var(--ecl-muted);
	text-align: center;
}

.edusky-changelog .edusky-changelog__position {
	display: none;
	margin: 0;
	color: var(--ecl-muted);
	font-size: 14px;
	font-weight: 500;
	white-space: nowrap;
}

.edusky-changelog .edusky-changelog__step {
	display: inline-flex;
	flex-direction: column;
	justify-content: center;
	min-height: 56px;
	padding: 8px 20px;
	background: var(--ecl-surface);
	border: 1px solid var(--ecl-border);
	border-radius: var(--ecl-radius-small);
	color: var(--ecl-title);
	line-height: 1.3;
	transition: border-color 0.15s ease, color 0.15s ease;
}

.edusky-changelog .edusky-changelog__step--prev {
	align-items: flex-start;
}

.edusky-changelog .edusky-changelog__step--next {
	align-items: flex-end;
	text-align: right;
}

.edusky-changelog a.edusky-changelog__step:hover {
	border-color: var(--ecl-accent);
	color: var(--ecl-accent);
}

.edusky-changelog .edusky-changelog__step.is-disabled {
	visibility: hidden;
}

.edusky-changelog .edusky-changelog__step-label {
	font-size: 15px;
	font-weight: 600;
}

.edusky-changelog .edusky-changelog__step--prev .edusky-changelog__step-label::before {
	content: "\2190\00a0";
}

.edusky-changelog .edusky-changelog__step--next .edusky-changelog__step-label::after {
	content: "\00a0\2192";
}

.edusky-changelog .edusky-changelog__step-hint {
	color: var(--ecl-muted);
	font-size: 13px;
}

/* ---------- komunikaty i ładowanie ---------- */

.edusky-changelog .edusky-changelog__notice {
	margin: 0 0 12px;
	padding: 16px 20px;
	background: var(--ecl-surface-alt);
	border: 1px solid var(--ecl-border);
	border-radius: var(--ecl-radius-small);
	color: var(--ecl-title);
}

.edusky-changelog .edusky-changelog__notice--admin {
	border-style: dashed;
	color: var(--ecl-muted);
	font-size: 14px;
}

.edusky-changelog .edusky-changelog__body {
	transition: opacity 0.2s ease;
}

.edusky-changelog.is-loading .edusky-changelog__body {
	opacity: 0.5;
	pointer-events: none;
}

.edusky-changelog.is-loading::before {
	content: "";
	position: absolute;
	z-index: 1;
	top: -12px;
	left: 0;
	width: 30%;
	height: 3px;
	background: var(--ecl-accent);
	border-radius: 3px;
	animation: edusky-changelog-loading 1s ease-in-out infinite;
}

@keyframes edusky-changelog-loading {
	0% {
		left: 0;
		width: 10%;
	}
	50% {
		width: 40%;
	}
	100% {
		left: 90%;
		width: 10%;
	}
}

/* ---------- telefon ---------- */

@media (max-width: 640px) {
	.edusky-changelog .edusky-changelog__toolbar {
		margin-bottom: 32px;
		padding: 16px;
	}

	.edusky-changelog .edusky-changelog__controls,
	.edusky-changelog .edusky-changelog__sort,
	.edusky-changelog .edusky-changelog__jump {
		width: 100%;
	}

	/* od 320 px: opcje się zwężają i łamią, lista miesięcy dostaje własny wiersz pod etykietą */
	.edusky-changelog .edusky-changelog__sort-option {
		flex: 1 1 0;
		min-width: 0;
		padding: 6px 8px;
		white-space: normal;
		text-align: center;
	}

	.edusky-changelog .edusky-changelog__jump {
		flex-wrap: wrap;
	}

	.edusky-changelog .edusky-changelog__jump-label {
		flex: 1 0 100%;
	}

	.edusky-changelog .edusky-changelog__select {
		flex: 1 1 170px;
		min-width: 0;
		/* poniżej 16 px iOS Safari powiększa stronę przy dotknięciu pola */
		font-size: 16px;
	}

	.edusky-changelog .edusky-changelog__month {
		margin-bottom: 40px;
	}

	.edusky-changelog .edusky-changelog__versions {
		padding-left: 0;
	}

	.edusky-changelog .edusky-changelog__versions::before,
	.edusky-changelog .edusky-changelog__version::before {
		display: none;
	}

	.edusky-changelog .edusky-changelog__version {
		padding: 16px;
		border-radius: var(--ecl-radius-small);
	}

	.edusky-changelog .edusky-changelog__change {
		font-size: 15px;
	}

	/* „Strona 2 z 22” w osobnym wierszu, pod nim Nowsze / Starsze po bokach — mieści się od 320 px */
	.edusky-changelog .edusky-changelog__pagination {
		justify-content: space-between;
		gap: 12px 8px;
	}

	.edusky-changelog .edusky-changelog__pages {
		display: none;
	}

	.edusky-changelog .edusky-changelog__position {
		display: block;
		flex: 1 0 100%;
		order: -1;
		text-align: center;
		white-space: normal;
	}

	.edusky-changelog .edusky-changelog__step.is-disabled {
		display: none;
	}

	.edusky-changelog .edusky-changelog__step--next {
		margin-left: auto;
	}

	.edusky-changelog .edusky-changelog__step {
		min-height: 48px;
		padding: 8px 14px;
	}

	.edusky-changelog .edusky-changelog__step-hint {
		display: none;
	}
}

/* tryb wysokiego kontrastu: tło aktywnej opcji znika, więc stan pokazuje ramka */
@media (forced-colors: active) {
	.edusky-changelog .edusky-changelog__sort-option.is-active {
		border-color: Highlight;
	}

	.edusky-changelog .edusky-changelog__page.is-current {
		border: 2px solid Highlight;
	}
}

@media (prefers-reduced-motion: reduce) {
	.edusky-changelog *,
	.edusky-changelog::before {
		transition: none !important;
		animation: none !important;
	}
}