/*
 * 公開面の共通スタイル。
 * モバイル (375px) を基準に、日本語の読みやすさ (行間・約物の収まり) を優先する。
 * このファイルは Workers Static Assets から配信され、全読者・オーナで同一の
 * 内容が返る (ADR-0008 のキャッシュ安全性の原則と矛盾しない静的アセット)。
 */

:root {
	color-scheme: light;
	--color-bg: #fdfdfc;
	--color-text: #222222;
	--color-muted: #6b6b6b;
	--color-accent: #2b5f9e;
	--color-border: #e5e3df;
	--font-sans:
		-apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
		"Hiragino Sans", "Yu Gothic Medium", "Yu Gothic", "Noto Sans JP", Meiryo,
		system-ui, sans-serif;
}

* {
	box-sizing: border-box;
}

html {
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	padding: 1.25rem 1.1rem 3rem;
	background: var(--color-bg);
	color: var(--color-text);
	font-family: var(--font-sans);
	font-size: 16px;
	line-height: 1.8;
	word-break: break-word;
	overflow-wrap: break-word;
}

.page {
	max-width: 65ch;
	margin: 0 auto;
}

a {
	color: var(--color-accent);
	text-decoration-thickness: 1px;
	text-underline-offset: 0.15em;
}

a:hover {
	text-decoration: none;
}

.site-header {
	margin-bottom: 2rem;
	padding-bottom: 1rem;
	border-bottom: 1px solid var(--color-border);
}

.site-header__title {
	font-size: 1.25rem;
	font-weight: 700;
	color: var(--color-text);
	text-decoration: none;
}

.site-footer {
	margin-top: 3rem;
	padding-top: 1rem;
	border-top: 1px solid var(--color-border);
	color: var(--color-muted);
	font-size: 0.8rem;
}

/* 記事一覧 */
.post-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.post-list__item {
	padding: 1.1rem 0;
	border-bottom: 1px solid var(--color-border);
}

.post-list__item:first-child {
	padding-top: 0;
}

.post-list__title {
	display: block;
	font-size: 1.1rem;
	font-weight: 700;
	text-decoration: none;
	color: var(--color-text);
}

.post-list__title:hover {
	color: var(--color-accent);
}

.post-list__date {
	display: block;
	margin-top: 0.3rem;
	font-size: 0.85rem;
	color: var(--color-muted);
}

.post-list__empty {
	color: var(--color-muted);
}

/* 状態バッジ (/private/ の統合一覧・記事閲覧。TASK-0013) */
.post-badges {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin: 0 0 0.4rem;
}

.post-badge {
	display: inline-block;
	padding: 0.15em 0.6em;
	border-radius: 999px;
	font-size: 0.75rem;
	font-weight: 700;
	line-height: 1.6;
}

.post-badge--private {
	background: #fdeeee;
	color: #a3372c;
}

.post-badge--draft {
	background: #fff6df;
	color: #8a6100;
}

/* 記事詳細 */
.post-detail__header {
	margin-bottom: 1.5rem;
}

.post-detail__title {
	margin: 0 0 0.4rem;
	font-size: 1.5rem;
	line-height: 1.5;
}

.post-detail__date {
	font-size: 0.85rem;
	color: var(--color-muted);
}

.post-detail__body {
	font-size: 1rem;
}

.post-detail__body h1,
.post-detail__body h2,
.post-detail__body h3 {
	line-height: 1.5;
	margin-top: 2em;
	margin-bottom: 0.6em;
}

.post-detail__body p,
.post-detail__body ul,
.post-detail__body ol,
.post-detail__body blockquote,
.post-detail__body pre {
	margin-top: 0;
	margin-bottom: 1.2em;
}

.post-detail__body ul,
.post-detail__body ol {
	padding-left: 1.4em;
}

.post-detail__body blockquote {
	margin-left: 0;
	padding-left: 1em;
	border-left: 3px solid var(--color-border);
	color: var(--color-muted);
}

.post-detail__body code {
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 0.9em;
	background: var(--color-border);
	padding: 0.15em 0.35em;
	border-radius: 0.3em;
}

.post-detail__body pre {
	overflow-x: auto;
	padding: 0.9em 1em;
	background: #f4f3f1;
	border-radius: 0.5em;
}

.post-detail__body pre code {
	background: none;
	padding: 0;
}

.post-detail__body img {
	max-width: 100%;
	height: auto;
}

.post-detail__back {
	display: inline-block;
	margin-top: 2rem;
	font-size: 0.9rem;
}