/* ==========================================================================
   铟子vinds — 子站共用样式
   与文章站/小站同一套配色: 白天白底黑字, 夜间黑底白字
   ========================================================================== */

:root {
	--c-nav: #08f;
	--c-nav-text: #fff;
	--c-nav-hover: #0ff;

	--c-bg: #fff;
	--c-text: #000;
	--c-muted: #595959;
	--c-line: #d9d9d9;
	--c-soft: #f5f5f5;
	--c-code-bg: #f6f6f6;
	--c-link: #0645ad;
	--c-hover-bg: #f2f8ff;

	--nav-h: 48px;

	color-scheme: light;
}

html[data-theme="dark"] {
	--c-bg: #000;
	--c-text: #fff;
	--c-muted: #a3a3a3;
	--c-line: #333;
	--c-soft: #141414;
	--c-code-bg: #131313;
	--c-link: #6cb6ff;
	--c-hover-bg: #111;

	color-scheme: dark;
}

* { box-sizing: border-box; }

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

body {
	margin: 0;
	background: var(--c-bg);
	color: var(--c-text);
	font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
		"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
	font-size: 16px;
	line-height: 1.75;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

main { flex: 1 1 auto; }

/* --------------------------------------------------------------- 导航栏 */

.nav {
	position: sticky;
	top: 0;
	z-index: 30;
	min-height: var(--nav-h);
	flex: 0 0 auto;
	display: flex;
	align-items: center;
	gap: 16px;
	padding: 0 16px;
	background: var(--c-nav);
	color: var(--c-nav-text);
}

.nav a {
	color: var(--c-nav-text);
	text-decoration: none;
	transition: color .5s ease;
}

.nav a:hover, .nav a:focus {
	color: var(--c-nav-hover);
	text-decoration: none;   /* 导航栏里悬浮只变色, 不要下划线 */
}

.nav .brand {
	font-size: 17px;
	font-weight: 700;
	white-space: nowrap;
}

.nav .spacer { flex: 1 1 auto; }

.nav .navlink { white-space: nowrap; }

.theme-btn,
.menu-btn {
	font: inherit;
	line-height: 1;
	color: var(--c-nav-text);
	background: transparent;
	border: 1px solid rgba(255, 255, 255, .55);
	border-radius: 6px;
	padding: 5px 9px;
	cursor: pointer;
	transition: color .5s ease, border-color .5s ease;
}

.theme-btn:hover,
.menu-btn:hover { border-color: var(--c-nav-hover); color: var(--c-nav-hover); }

.menu-btn { display: none; }

/* 主题按钮里的小图标: 亮的时候显示月亮, 暗的时候显示太阳 */
.theme-btn .i-dark { display: none; }
html[data-theme="dark"] .theme-btn .i-light { display: none; }
html[data-theme="dark"] .theme-btn .i-dark { display: inline; }

/* --------------------------------------------------------------- 页面容器 */

.page {
	max-width: 860px;
	margin: 0 auto;
	padding: 28px 20px 56px;
}

.page > h1 {
	font-size: 26px;
	line-height: 1.35;
	margin: 0 0 18px;
}

/* --------------------------------------------------------------- 链接 */

a { color: var(--c-link); text-decoration: none; }

a:hover, a:focus { text-decoration: underline; }

/* --------------------------------------------------------------- 页脚 */

.foot {
	flex: 0 0 auto;
	border-top: 1px solid var(--c-line);
	text-align: center;
	font-size: 14px;
	color: var(--c-muted);
	padding: 18px 16px 26px;
}

.foot p { margin: 0 0 4px; }

.foot p:last-child { margin-bottom: 0; }

.foot a { color: var(--c-link); }

/* --------------------------------------------------------------- 表格 */

.table-wrap {
	overflow-x: auto;
	border: 1px solid var(--c-line);
	border-radius: 8px;
}

table {
	width: 100%;
	border-collapse: collapse;
	font-size: 15px;
}

thead th {
	text-align: left;
	font-weight: 700;
	padding: 9px 12px;
	background: var(--c-soft);
	border-bottom: 1px solid var(--c-line);
	white-space: nowrap;
}

tbody td {
	padding: 9px 12px;
	border-bottom: 1px solid var(--c-line);
	vertical-align: top;
	word-break: break-word;
}

tbody tr:last-child td { border-bottom: 0; }

tbody tr:hover { background: var(--c-hover-bg); }

.no-result {
	border: 1px solid var(--c-line);
	border-radius: 8px;
	padding: 40px 16px;
	text-align: center;
	color: var(--c-muted);
}

/* --------------------------------------------------------------- 搜索框 */

.search {
	display: flex;
	align-items: center;
	gap: 10px;
	margin: 0 0 16px;
	border: 1px solid var(--c-line);
	border-radius: 8px;
	padding: 4px 12px;
}

.search:focus-within { border-color: var(--c-nav); }

.search .search-icon {
	flex: 0 0 auto;
	width: 16px;
	height: 16px;
	border: 2px solid var(--c-muted);
	border-radius: 50%;
	position: relative;
	opacity: .6;
}

.search .search-icon::after {
	content: "";
	position: absolute;
	right: -4px;
	bottom: -4px;
	width: 6px;
	height: 2px;
	background: var(--c-muted);
	transform: rotate(45deg);
}

.search input {
	flex: 1 1 auto;
	min-width: 0;
	font: inherit;
	color: var(--c-text);
	background: transparent;
	border: 0;
	outline: none;
	padding: 7px 0;
}

.search input::placeholder { color: var(--c-muted); opacity: .8; }

.search .clear-btn {
	flex: 0 0 auto;
	display: none;
	font: inherit;
	line-height: 1;
	color: var(--c-muted);
	background: transparent;
	border: 0;
	padding: 4px 6px;
	cursor: pointer;
	border-radius: 6px;
	transition: color .5s ease;
}

.search .clear-btn:hover { color: var(--c-nav); }

/* 兼容旧结构里的圆角搜索容器 */
.search-container {
	border: 1px solid var(--c-line);
	border-radius: 8px;
	padding: 4px 12px;
	margin: 0 0 16px;
}

.search-container:focus-within { border-color: var(--c-nav); }

.search-wrapper { display: flex; align-items: center; gap: 10px; }

.search-wrapper input {
	flex: 1 1 auto;
	min-width: 0;
	font: inherit;
	color: var(--c-text);
	background: transparent;
	border: 0;
	outline: none;
	padding: 7px 2px;
}

.search-wrapper input::placeholder { color: var(--c-muted); opacity: .8; }

/* --------------------------------------------------------------- 方块列表 */

.tiles {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 14px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.tiles > li, .tiles > .tile {
	border: 1px solid var(--c-line);
	border-radius: 8px;
	padding: 14px 16px;
}

.tiles .tile-title {
	display: block;
	font-size: 17px;
	font-weight: 700;
	line-height: 1.4;
	margin-bottom: 6px;
}

.tiles .tile-desc {
	color: var(--c-muted);
	font-size: 14px;
	margin: 0;
}

/* --------------------------------------------------------------- 窄屏 */

@media (max-width: 768px) {
	.menu-btn { display: inline-block; }
	.page { padding: 20px 16px 44px; }
	.page > h1 { font-size: 22px; }
	table { font-size: 13px; }
	thead th, tbody td { padding: 8px 8px; }
	.tiles { grid-template-columns: 1fr; }
}