/**
 * SC-ICG 官方報告管理 — 前台樣式
 *
 * 設計原則（依規格 7）：
 * - 全部 scoped 於 .official-reports，不覆蓋全站 body / button / link。
 * - 不硬寫品牌色；顏色一律 inherit 或使用 WordPress preset 變數，沿用 blocky theme。
 * - 只提供必要排版（間距、格線、Tab 結構）。
 */

.official-reports {
	font: inherit;
	color: inherit;
}

.official-reports *,
.official-reports *::before,
.official-reports *::after {
	box-sizing: border-box;
}

/* ---- 空狀態 ---- */
.official-reports__empty {
	margin: 1.5em 0;
	padding: 1.25em 1em;
	text-align: center;
	opacity: 0.7;
}

/* ---- 年度列表（桌機 3 欄）---- */
.official-reports__year-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--wp--style--block-gap, 1.5rem);
}

.official-reports__year-item {
	margin: 0;
}

.official-reports__year-card {
	display: flex;
	flex-direction: column;
	text-decoration: none;
	color: inherit;
	border: 1px solid rgba(127, 127, 127, 0.25);
	border-radius: var(--wp--custom--border--radius, 10px);
	overflow: hidden;
	transition: transform 0.18s ease, box-shadow 0.18s ease;
	height: 100%;
}

.official-reports__year-card:hover,
.official-reports__year-card:focus {
	transform: translateY(-3px);
	box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
}

/* 精選圖片區 */
.official-reports__year-thumb {
	display: block;
}

.official-reports__year-card.has-thumb .official-reports__year-thumb {
	aspect-ratio: 4 / 3;
	overflow: hidden;
	background: rgba(127, 127, 127, 0.08);
}

.official-reports__year-img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

/* 文字區 */
.official-reports__year-body {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.2em;
	padding: 1.25em 1em;
	text-align: center;
	flex: 1 1 auto;
}

/* 沒有精選圖片時，文字區給多一點高度維持卡片比例 */
.official-reports__year-card:not(.has-thumb) .official-reports__year-body {
	padding: 2.25em 1em;
}

.official-reports__year-number {
	font-size: 1.9em;
	font-weight: 700;
	line-height: 1.1;
}

.official-reports__year-caption {
	font-size: 0.85em;
	opacity: 0.7;
}

/* ---- 年度詳細 ---- */
.official-report-detail__back {
	margin: 0 0 1em;
}

.official-report-detail__back a {
	color: inherit;
	text-decoration: underline;
}

.official-report-detail__title {
	margin: 0 0 0.75em;
}

/* ---- Tabs ---- */
.official-report-tabs {
	display: flex;
	flex-wrap: wrap;
	gap: 0.25em;
	border-bottom: 1px solid currentColor;
	margin-bottom: 1.25em;
}

.official-report-tabs__tab {
	font: inherit;
	color: inherit;
	background: transparent;
	border: none;
	border-bottom: 3px solid transparent;
	margin-bottom: -1px;
	padding: 0.6em 1em;
	cursor: pointer;
	opacity: 0.65;
	transition: opacity 0.15s ease, border-color 0.15s ease;
}

.official-report-tabs__tab:hover,
.official-report-tabs__tab:focus {
	opacity: 1;
}

.official-report-tabs__tab.is-active {
	opacity: 1;
	font-weight: 700;
	border-bottom-color: currentColor;
}

.official-report-tabs__panel {
	margin: 0;
}

.official-report-tabs__panel[hidden] {
	display: none;
}

/* ---- 附件連結 ---- */
.official-report-files {
	margin-bottom: 1.5em;
}

.official-report-files__heading {
	margin: 0 0 0.5em;
	font-size: 1.05em;
}

.official-report-files__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.5em;
}

.official-report-files__item {
	margin: 0;
}

.official-report-files__link {
	color: inherit;
	text-decoration: underline;
}

/* ---- 圖片預覽 ---- */
.official-report-images {
	display: flex;
	flex-direction: column;
	gap: 1em;
}

.official-report-images__item {
	margin: 0;
}

.official-report-images__img {
	display: block;
	width: 100%;
	height: auto;
	border-radius: var(--wp--custom--border--radius, 4px);
}

/* ---- 響應式 ---- */
@media (max-width: 782px) {
	.official-reports__year-list {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 600px) {
	.official-reports__year-list {
		grid-template-columns: 1fr;
	}
	.official-report-tabs {
		flex-wrap: nowrap;
		overflow-x: auto;
		-webkit-overflow-scrolling: touch;
	}
	.official-report-tabs__tab {
		white-space: nowrap;
	}
}