/*
 * jimble のドキュメントサイト
 *
 * 外部のフォントも CSS も読まない。1ファイルで完結させる。
 */

:root {
	color-scheme: light dark;

	--bg: #ffffff;
	--fg: #1a1a1a;
	--muted: #5a5f66;
	--line: #e2e5ea;
	--accent: #0b6cc4;
	--code-bg: #f6f7f9;
	--mark: #fff3cd;

	--h-k: #a4260a;   /* キーワード */
	--h-s: #0a6b3d;   /* 文字列 */
	--h-c: #6b7280;   /* コメント */
	--h-n: #7a3ea0;   /* 数値 */
	--h-a: #8a5a00;   /* 注釈 */
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #14161a;
		--fg: #e6e8ea;
		--muted: #9aa3ad;
		--line: #2a2f36;
		--accent: #63b3ff;
		--code-bg: #1c2026;
		--mark: #4a3d10;

		--h-k: #ff9d80;
		--h-s: #7fd6a5;
		--h-c: #8c949e;
		--h-n: #d3a5f0;
		--h-a: #e0b96a;
	}
}

* { box-sizing: border-box; }

body {
	margin: 0;
	background: var(--bg);
	color: var(--fg);
	font: 16px/1.85 system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
	font-feature-settings: "palt";
}

a { color: var(--accent); }

.skip {
	position: absolute;
	left: -9999px;
}
.skip:focus {
	left: 1rem; top: .5rem; z-index: 10;
	background: var(--bg); padding: .5rem 1rem; border: 1px solid var(--line);
}

/* 上 */

.top {
	position: sticky; top: 0; z-index: 5;
	display: flex; align-items: center; gap: 1.5rem;
	padding: .6rem 1.5rem;
	background: var(--bg);
	border-bottom: 1px solid var(--line);
}

.brand {
	font-weight: 700; font-size: 1.15rem; letter-spacing: .02em;
	text-decoration: none; color: var(--fg);
}

.search { position: relative; flex: 1; max-width: 26rem; }

.search input {
	width: 100%; padding: .4rem .7rem;
	border: 1px solid var(--line); border-radius: 6px;
	background: var(--code-bg); color: var(--fg);
	font: inherit; font-size: .9rem;
}

.search ul {
	position: absolute; top: 2.4rem; left: 0; right: 0;
	margin: 0; padding: .25rem; list-style: none;
	background: var(--bg); border: 1px solid var(--line); border-radius: 6px;
	box-shadow: 0 6px 24px rgba(0,0,0,.12);
	max-height: 60vh; overflow-y: auto;
}

.search li a {
	display: block; padding: .5rem .6rem; border-radius: 4px;
	text-decoration: none; color: var(--fg);
}
.search li a:hover { background: var(--code-bg); }
.search li strong { display: block; font-size: .92rem; }
.search li span { display: block; font-size: .8rem; color: var(--muted); line-height: 1.5; }

.lang { display: flex; gap: .75rem; font-size: .85rem; }
.lang a { text-decoration: none; color: var(--muted); }
.lang a[aria-current="page"] { color: var(--fg); font-weight: 600; }

/* 並び */

.layout {
	display: grid;
	grid-template-columns: 15rem minmax(0, 1fr) 13rem;
	gap: 2.5rem;
	max-width: 84rem; margin: 0 auto; padding: 2rem 1.5rem 4rem;
}

/* 404。1段だけなので layout（3段）は使わない */
.notfound {
	max-width: 34rem;
	margin: 0 auto;
	padding: 6rem 1.5rem;
	text-align: center;
}

.notfound h1 { border: 0; margin: 0 0 1rem; }

.side, .toc {
	align-self: start;
	position: sticky; top: 4rem;
	max-height: calc(100vh - 6rem); overflow-y: auto;
	font-size: .89rem;
}

.side ul, .toc ul { list-style: none; margin: 0 0 1.25rem; padding: 0; }
.side li, .toc li { margin: 0; }

.side a, .toc a {
	display: block; padding: .2rem .5rem; border-radius: 4px;
	text-decoration: none; color: var(--muted); line-height: 1.6;
}
.side a:hover, .toc a:hover { color: var(--fg); background: var(--code-bg); }
.side a.current { color: var(--accent); font-weight: 600; background: var(--code-bg); }

.section {
	margin: 0 0 .35rem; padding: 0 .5rem;
	font-size: .74rem; font-weight: 700; letter-spacing: .06em;
	color: var(--muted); text-transform: uppercase;
}

.toc .level-3 a { padding-left: 1.4rem; font-size: .84rem; }

/* 本文 */

main { min-width: 0; }

article h1 {
	margin: 0 0 .4rem; font-size: 2rem; line-height: 1.35; letter-spacing: -.01em;
}

article h2 {
	margin: 3rem 0 .75rem; padding-top: .5rem;
	font-size: 1.35rem; line-height: 1.45;
	border-top: 1px solid var(--line);
}

article h3 { margin: 2rem 0 .5rem; font-size: 1.08rem; }

article h1 .anchor, article h2 .anchor, article h3 .anchor, article h4 .anchor {
	margin-left: .4rem; text-decoration: none; color: var(--line);
	font-weight: 400; font-size: .9em;
}
article h1:hover .anchor, article h2:hover .anchor,
article h3:hover .anchor, article h4:hover .anchor { color: var(--accent); }

article p { margin: 0 0 1.1rem; }
article ul, article ol { margin: 0 0 1.1rem; padding-left: 1.4rem; }
article li { margin: .3rem 0; }

article blockquote {
	margin: 0 0 1.1rem; padding: .8rem 1.1rem;
	border-left: 3px solid var(--accent);
	background: var(--code-bg);
	border-radius: 0 6px 6px 0;
}
article blockquote p:last-child { margin: 0; }

article code {
	padding: .12em .38em; border-radius: 4px;
	background: var(--code-bg);
	font-family: ui-monospace, SFMono-Regular, Menlo, "Noto Sans Mono", monospace;
	font-size: .875em;
}

article strong { font-weight: 700; }

/* コード */

pre.code {
	margin: 0 0 1.3rem; padding: 1rem 1.1rem;
	background: var(--code-bg); border: 1px solid var(--line); border-radius: 8px;
	overflow-x: auto;
	line-height: 1.65;
	/* タブは4桁。実コードから抜いてくるので、8桁だと入れ子が壊れて見える */
	tab-size: 4; -moz-tab-size: 4;
}

pre.code code {
	padding: 0; background: none; font-size: .84rem;
}

.h-k { color: var(--h-k); font-weight: 600; }
.h-s { color: var(--h-s); }
.h-c { color: var(--h-c); font-style: italic; }
.h-n { color: var(--h-n); }
.h-a { color: var(--h-a); }

/* 表 */

article table {
	width: 100%; margin: 0 0 1.3rem;
	border-collapse: collapse; font-size: .9rem;
	display: block; overflow-x: auto;
}

article th, article td {
	padding: .5rem .7rem; text-align: left; vertical-align: top;
	border-bottom: 1px solid var(--line);
}

article th { font-weight: 700; background: var(--code-bg); white-space: nowrap; }

/* 下 */

.bottom {
	border-top: 1px solid var(--line);
	padding: 2rem 1.5rem 3rem;
	text-align: center; font-size: .85rem; color: var(--muted);
}
.bottom p { margin: .25rem 0; }
.bottom .note { font-size: .78rem; }

/* 狭い画面 */

@media (max-width: 1100px) {
	.layout { grid-template-columns: 14rem minmax(0, 1fr); }
	.toc { display: none; }
}

@media (max-width: 780px) {
	.layout { grid-template-columns: minmax(0, 1fr); gap: 1rem; padding: 1.25rem 1rem 3rem; }
	.side { position: static; max-height: none; border-bottom: 1px solid var(--line); padding-bottom: 1rem; }
	.top { flex-wrap: wrap; gap: .75rem; }
	.search { order: 3; max-width: none; flex-basis: 100%; }
	article h1 { font-size: 1.6rem; }
}

/* 注記の枠 */
.callout {
	margin: 1.2rem 0;
	padding: .8rem 1rem;
	border: 1px solid var(--line);
	border-left: 4px solid var(--muted);
	border-radius: 6px;
	background: var(--code-bg);
}

.callout > :first-child { margin-top: 0; }
.callout > :last-child { margin-bottom: 0; }

.callout-title {
	margin: 0 0 .4rem;
	font-size: .8rem;
	font-weight: 700;
	letter-spacing: .04em;
	color: var(--muted);
}

.callout-note { border-left-color: var(--accent); }
.callout-note .callout-title { color: var(--accent); }

.callout-tip { border-left-color: #0a6b3d; }
.callout-tip .callout-title { color: #0a6b3d; }

.callout-warn { border-left-color: #8a5a00; }
.callout-warn .callout-title { color: #8a5a00; }

.callout-trap { border-left-color: #a4260a; }
.callout-trap .callout-title { color: #a4260a; }

@media (prefers-color-scheme: dark) {
	.callout-tip { border-left-color: #7fd6a5; }
	.callout-tip .callout-title { color: #7fd6a5; }
	.callout-warn { border-left-color: #e0b96a; }
	.callout-warn .callout-title { color: #e0b96a; }
	.callout-trap { border-left-color: #ff9d80; }
	.callout-trap .callout-title { color: #ff9d80; }
}

/* 前後のページ */
.pager {
	display: flex;
	gap: 1rem;
	margin: 2.5rem 0 1rem;
	padding-top: 1.2rem;
	border-top: 1px solid var(--line);
}

.pager a {
	flex: 1 1 0;
	padding: .7rem .9rem;
	border: 1px solid var(--line);
	border-radius: 6px;
	text-decoration: none;
	color: var(--fg);
	line-height: 1.5;
}

.pager a:hover { background: var(--code-bg); }
.pager .next { text-align: right; }

.pager span {
	display: block;
	font-size: .75rem;
	color: var(--muted);
}

.pager .prev + .next { margin-left: auto; }
.pager .next:only-child { margin-left: auto; flex: 0 1 50%; }

/* コードのコピー */
pre.code { position: relative; }

pre.code .copy {
	position: absolute;
	top: .4rem;
	right: .4rem;
	padding: .15rem .5rem;
	font: inherit;
	font-size: .75rem;
	color: var(--muted);
	background: var(--bg);
	border: 1px solid var(--line);
	border-radius: 4px;
	cursor: pointer;
	opacity: 0;
	transition: opacity .12s;
}

pre.code:hover .copy, pre.code .copy:focus { opacity: 1; }
pre.code .copy:hover { color: var(--fg); }

@media (hover: none) {
	pre.code .copy { opacity: 1; }
}