:root {
	--bg: #0b1220;
	--bg-2: #0f172a;
	--bg-3: #131e33;
	--surface: #16233a;
	--surface-2: #1b2a44;
	--border: #24334d;
	--border-soft: #1d2a42;
	--text: #e6edf7;
	--muted: #97a6bd;
	--faint: #6f809b;
	--blue: #3b8cff;
	--blue-2: #70b0ff;
	--green: #38d39f;
	--orange: #ffb454;
	--red: #ff6b7a;
	--purple: #b18cff;
	--code-bg: #0a111d;
	--radius: 12px;
	--sidebar-w: 268px;
	--topbar-h: 62px;
	--mono: "JetBrains Mono", "Cascadia Code", "Consolas", "Courier New", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	margin: 0;
	background:
		radial-gradient(1200px 600px at 80% -10%, rgba(59, 140, 255, .14), transparent 60%),
		radial-gradient(900px 500px at 0% 100%, rgba(56, 211, 159, .07), transparent 60%),
		var(--bg);
	color: var(--text);
	font-family: "Segoe UI", Inter, system-ui, -apple-system, sans-serif;
	font-size: 15px;
	line-height: 1.65;
}

a { color: var(--blue-2); text-decoration: none; }
a:hover { color: #a9d0ff; text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .55em; font-weight: 800; letter-spacing: -.02em; }
h1 { font-size: 2.15rem; }
h2 { font-size: 1.45rem; margin-top: 2rem; }
h3 { font-size: 1.12rem; margin-top: 1.5rem; }
p { margin: 0 0 1rem; color: #c9d5e6; }
ul, ol { margin: .4rem 0 1rem; padding-left: 1.35rem; color: #c9d5e6; }
li { margin: .3rem 0; }
code { font-family: var(--mono); font-size: .9em; }
::selection { background: rgba(59, 140, 255, .35); }

/* topbar */
.topbar {
	position: fixed;
	inset: 0 0 auto 0;
	height: var(--topbar-h);
	display: flex;
	align-items: center;
	gap: 18px;
	padding: 0 22px;
	background: rgba(11, 18, 32, .88);
	border-bottom: 1px solid var(--border-soft);
	backdrop-filter: blur(14px);
	z-index: 50;
}

.menu-toggle {
	display: none;
	width: 38px;
	height: 38px;
	border-radius: 10px;
	border: 1px solid var(--border);
	background: var(--surface);
	color: var(--text);
	font-size: 18px;
	cursor: pointer;
}

.brand { display: flex; align-items: center; gap: 10px; color: var(--text); white-space: nowrap; }
.brand:hover { text-decoration: none; color: #fff; }
.brand-mark {
	display: grid;
	place-items: center;
	width: 34px;
	height: 34px;
	border-radius: 9px;
	background: linear-gradient(145deg, var(--blue), #2569d8);
	color: #fff;
	font-weight: 900;
	font-size: 19px;
	transform: rotate(-6deg);
	box-shadow: 0 6px 18px rgba(59, 140, 255, .3);
}
.brand-text { font-weight: 700; font-size: 16px; letter-spacing: -.01em; }
.brand-text strong { color: var(--blue-2); font-weight: 900; }

.search-wrap { position: relative; flex: 1; max-width: 560px; margin-left: 8px; }
.search-wrap input {
	width: 100%;
	height: 40px;
	padding: 0 14px 0 38px;
	border-radius: 10px;
	border: 1px solid var(--border);
	background: var(--bg-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2397a6bd' stroke-width='2'%3E%3Ccircle cx='7' cy='7' r='5'/%3E%3Cpath d='M11 11l4 4'/%3E%3C/svg%3E") no-repeat 13px center;
	color: var(--text);
	font-size: 14px;
	outline: none;
	transition: border-color .15s, box-shadow .15s;
}
.search-wrap input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(59, 140, 255, .16); }
.search-wrap input::placeholder { color: var(--faint); }

.search-results {
	position: absolute;
	top: 46px;
	left: 0;
	right: 0;
	max-height: 420px;
	overflow: auto;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 12px;
	box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
	padding: 6px;
	z-index: 60;
}
.search-results.hidden { display: none; }
.search-result {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 9px 10px;
	border-radius: 8px;
	color: var(--text);
	cursor: pointer;
}
.search-result:hover, .search-result.active { background: var(--surface-2); text-decoration: none; }
.search-result .sr-kind {
	font-size: 10px;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: .06em;
	color: var(--faint);
	min-width: 44px;
}
.search-result .sr-name { font-weight: 700; font-size: 13.5px; }
.search-result .sr-sub { color: var(--muted); font-size: 12px; margin-left: auto; }
.search-empty { padding: 12px; color: var(--muted); font-size: 13px; }

.build-badge {
	font-size: 11px;
	font-weight: 800;
	letter-spacing: .06em;
	text-transform: uppercase;
	color: var(--green);
	background: rgba(56, 211, 159, .1);
	border: 1px solid rgba(56, 211, 159, .25);
	padding: 5px 9px;
	border-radius: 999px;
	white-space: nowrap;
}
.site-link { color: var(--muted); font-size: 13px; white-space: nowrap; }
.site-link:hover { color: var(--text); text-decoration: none; }

/* layout */
.layout { display: flex; padding-top: var(--topbar-h); min-height: 100vh; }

.sidebar {
	position: fixed;
	top: var(--topbar-h);
	bottom: 0;
	left: 0;
	width: var(--sidebar-w);
	overflow: auto;
	padding: 20px 14px 28px;
	background: rgba(15, 23, 42, .6);
	border-right: 1px solid var(--border-soft);
	scrollbar-width: thin;
	scrollbar-color: var(--border) transparent;
}
.sidebar::-webkit-scrollbar { width: 8px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; }

.nav-group { margin-bottom: 20px; }
.nav-title {
	font-size: 10.5px;
	font-weight: 900;
	letter-spacing: .11em;
	text-transform: uppercase;
	color: var(--faint);
	padding: 0 10px;
	margin-bottom: 6px;
}
.nav-link {
	display: block;
	padding: 7px 10px;
	border-radius: 8px;
	color: #b9c7db;
	font-size: 13.5px;
	font-weight: 600;
	line-height: 1.35;
}
.nav-link:hover { background: var(--surface); color: var(--text); text-decoration: none; }
.nav-link.active { background: rgba(59, 140, 255, .13); color: var(--blue-2); box-shadow: inset 2px 0 0 var(--blue); }

.sidebar-foot {
	margin-top: 26px;
	padding: 12px 10px 0;
	border-top: 1px solid var(--border-soft);
	color: var(--faint);
	font-size: 11.5px;
	line-height: 1.5;
}

.content {
	width: min(1040px, calc(100% - var(--sidebar-w)));
	margin-left: var(--sidebar-w);
	padding: 38px 48px 90px;
	min-height: calc(100vh - var(--topbar-h));
}

.loading { color: var(--muted); padding: 40px 0; }

/* hero */
.hero {
	position: relative;
	overflow: hidden;
	padding: 38px;
	border: 1px solid var(--border);
	border-radius: 18px;
	background:
		radial-gradient(700px 300px at 85% 0%, rgba(59, 140, 255, .22), transparent 65%),
		linear-gradient(150deg, var(--surface), var(--bg-2));
	margin-bottom: 28px;
}
.hero::after {
	content: "{}";
	position: absolute;
	right: 30px;
	bottom: -26px;
	font-family: var(--mono);
	font-size: 150px;
	font-weight: 900;
	color: rgba(112, 176, 255, .07);
	letter-spacing: -12px;
	pointer-events: none;
}
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.7rem); max-width: 720px; }
.hero .lead { max-width: 680px; color: #bccbe0; font-size: 16px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.pill {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 5px 10px;
	border-radius: 999px;
	border: 1px solid var(--border);
	background: rgba(10, 17, 29, .45);
	color: var(--muted);
	font-size: 12px;
	font-weight: 700;
}
.pill b { color: var(--text); }

.quick-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 20px 0 8px; }
.quick-card {
	display: block;
	padding: 18px;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 14px;
	color: var(--text);
	transition: transform .15s, border-color .15s, background .15s;
}
.quick-card:hover { text-decoration: none; transform: translateY(-2px); border-color: rgba(59, 140, 255, .5); background: var(--surface-2); }
.quick-card .qc-icon { font-family: var(--mono); font-size: 13px; color: var(--blue-2); margin-bottom: 8px; }
.quick-card h3 { margin: 0 0 4px; font-size: 15px; }
.quick-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }

/* generic blocks */
.section { margin-top: 36px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.section-head h2 { margin: 0; }
.section-head .muted { margin: 0; }

.callout {
	display: flex;
	gap: 12px;
	padding: 14px 16px;
	border-radius: 12px;
	border: 1px solid var(--border);
	background: var(--surface);
	margin: 16px 0;
}
.callout .ico { font-size: 18px; line-height: 1.4; }
.callout p:last-child { margin-bottom: 0; }
.callout.info { border-color: rgba(59, 140, 255, .35); background: rgba(59, 140, 255, .07); }
.callout.warn { border-color: rgba(255, 180, 84, .35); background: rgba(255, 180, 84, .07); }
.callout.danger { border-color: rgba(255, 107, 122, .35); background: rgba(255, 107, 122, .07); }

.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.mono { font-family: var(--mono); }

/* class index */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 14px 0 22px; }
.toolbar input {
	flex: 1;
	min-width: 220px;
	height: 38px;
	padding: 0 12px;
	border-radius: 9px;
	border: 1px solid var(--border);
	background: var(--bg-2);
	color: var(--text);
	outline: none;
}
.toolbar input:focus { border-color: var(--blue); }
.toolbar .count { color: var(--faint); font-size: 12px; white-space: nowrap; }

.class-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.class-card {
	display: block;
	padding: 12px 14px;
	border-radius: 10px;
	border: 1px solid var(--border-soft);
	background: var(--bg-2);
	color: var(--text);
}
.class-card:hover { text-decoration: none; border-color: rgba(59, 140, 255, .55); background: var(--surface); }
.class-card .cc-name { font-weight: 800; font-size: 14px; }
.class-card .cc-base { color: var(--faint); font-size: 11.5px; margin-top: 2px; }
.class-card .cc-tags { display: flex; gap: 5px; margin-top: 8px; flex-wrap: wrap; }

.badge {
	display: inline-flex;
	align-items: center;
	padding: 2px 7px;
	border-radius: 999px;
	font-size: 10px;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: .05em;
	border: 1px solid transparent;
}
.badge.blue { color: var(--blue-2); background: rgba(59, 140, 255, .1); border-color: rgba(59, 140, 255, .28); }
.badge.green { color: var(--green); background: rgba(56, 211, 159, .09); border-color: rgba(56, 211, 159, .25); }
.badge.orange { color: var(--orange); background: rgba(255, 180, 84, .09); border-color: rgba(255, 180, 84, .25); }
.badge.red { color: var(--red); background: rgba(255, 107, 122, .09); border-color: rgba(255, 107, 122, .25); }
.badge.purple { color: var(--purple); background: rgba(177, 140, 255, .09); border-color: rgba(177, 140, 255, .25); }
.badge.grey { color: var(--muted); background: rgba(151, 166, 189, .08); border-color: rgba(151, 166, 189, .2); }

/* class detail */
.breadcrumb { color: var(--faint); font-size: 12.5px; margin-bottom: 12px; }
.breadcrumb a { color: var(--muted); }
.class-header { padding-bottom: 18px; border-bottom: 1px solid var(--border-soft); }
.class-title-row { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.class-title-row h1 { margin: 0; font-family: var(--mono); font-size: 2rem; letter-spacing: -.03em; }
.class-sub { color: var(--muted); margin-top: 8px; }
.class-sub a { font-weight: 600; }
.class-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }

.member-section { margin-top: 30px; }
.member-section h2 { display: flex; align-items: center; gap: 8px; }
.member-section h2 .num {
	font-size: 12px;
	font-weight: 800;
	color: var(--faint);
	background: var(--bg-2);
	border: 1px solid var(--border);
	padding: 3px 8px;
	border-radius: 999px;
}
.member-list { border: 1px solid var(--border-soft); border-radius: 12px; overflow: hidden; }
.member {
	padding: 13px 16px;
	background: rgba(15, 23, 42, .55);
	border-top: 1px solid var(--border-soft);
}
.member:first-child { border-top: 0; }
.member:hover { background: rgba(22, 35, 58, .8); }
.member-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; font-family: var(--mono); font-size: 13.5px; }
.member-head .m-name { color: #dce8fa; font-weight: 800; }
.member-head .m-sig { color: var(--muted); }
.member-head .m-ret { color: var(--muted); }
.member-head .m-ret .type { color: var(--green); }
.member-note { margin: 6px 0 0; color: #b9c7db; font-size: 13px; font-family: "Segoe UI", system-ui, sans-serif; }
.member-foot { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; align-items: center; }
.member-foot .from { color: var(--faint); font-size: 11px; }
.member-foot .from a { color: var(--faint); }
.param { color: #d7c7a4; }
.param .ptype { color: #9fb8d8; }
.optional { color: var(--orange); }

.type a { color: #8fc4ff; }
.type a:hover { color: #bfe0ff; }

.constructor {
	margin-top: 22px;
	padding: 16px;
	border-radius: 12px;
	border: 1px solid rgba(56, 211, 159, .25);
	background: rgba(56, 211, 159, .05);
}
.constructor h3 { margin: 0 0 8px; font-size: 14px; color: var(--green); }
.constructor .mono { display: block; margin: 4px 0; color: #d8e6f8; }
.constructor p { margin: 6px 0 0; font-size: 13px; color: var(--muted); }

/* enums */
.enum-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 12px; }
.enum-card { padding: 15px; border-radius: 12px; border: 1px solid var(--border-soft); background: var(--bg-2); }
.enum-card h3 { margin: 0 0 2px; font-family: var(--mono); font-size: 14px; color: var(--purple); }
.enum-card .internal { color: var(--faint); font-size: 11px; margin-bottom: 9px; }
.enum-options { display: flex; flex-wrap: wrap; gap: 5px; }
.enum-option { font-family: var(--mono); font-size: 11px; color: #c6d5e8; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 2px 6px; }

/* code */
.code-block { position: relative; margin: 14px 0 20px; border-radius: 12px; border: 1px solid var(--border); background: var(--code-bg); overflow: hidden; }
.code-head { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; border-bottom: 1px solid var(--border-soft); background: rgba(22, 35, 58, .55); }
.code-lang { font-family: var(--mono); font-size: 10.5px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.copy-btn { border: 1px solid var(--border); background: var(--surface); color: var(--muted); border-radius: 6px; padding: 3px 8px; font-size: 11px; cursor: pointer; }
.copy-btn:hover { color: var(--text); border-color: var(--blue); }
.code-block pre { margin: 0; padding: 16px; overflow: auto; font-family: var(--mono); font-size: 12.75px; line-height: 1.6; tab-size: 4; }
.code-block code { color: #d6e2f2; }
.tok-com { color: #61728a; font-style: italic; }
.tok-str { color: #9ad19c; }
.tok-num { color: #f0b37e; }
.tok-kw { color: #ff7ea8; font-weight: 700; }
.tok-bi { color: #7ec8ff; }
.tok-type { color: #ffd479; }
.tok-fn { color: #c8a8ff; }

/* guide */
.guide h2 { margin-top: 34px; padding-top: 8px; }
.guide h3 { margin-top: 24px; }
.guide table { width: 100%; border-collapse: collapse; margin: 14px 0 20px; font-size: 13.5px; }
.guide th, .guide td { text-align: left; padding: 9px 11px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
.guide th { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.guide td code { background: var(--bg-2); border: 1px solid var(--border-soft); padding: 1px 5px; border-radius: 5px; color: #d8e6f8; }
.guide p > code, .guide li > code { background: var(--bg-2); border: 1px solid var(--border-soft); padding: 1px 5px; border-radius: 5px; color: #d8e6f8; }
.guide .code-block { margin: 12px 0 20px; }

.steps { counter-reset: step; display: grid; gap: 14px; margin: 18px 0; }
.step { position: relative; padding: 15px 16px 15px 52px; border: 1px solid var(--border-soft); border-radius: 12px; background: var(--bg-2); }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 15px; top: 15px; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: rgba(59, 140, 255, .16); color: var(--blue-2); font-size: 12px; font-weight: 900; }
.step h3 { margin: 0 0 4px; font-size: 15px; }
.step p:last-child { margin: 0; }

.example-nav { display: flex; flex-wrap: wrap; gap: 7px; margin: 16px 0 24px; }
.example-nav a { font-size: 12px; font-weight: 700; padding: 5px 10px; border: 1px solid var(--border); border-radius: 999px; background: var(--bg-2); color: var(--muted); }
.example-nav a:hover { text-decoration: none; color: var(--text); border-color: var(--blue); }

/* misc */
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--green); color: #04241a; font-weight: 800; font-size: 13px; padding: 9px 16px; border-radius: 999px; opacity: 0; pointer-events: none; transition: .2s; z-index: 100; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.hidden { display: none !important; }

footer.doc-footer { margin-top: 54px; padding-top: 18px; border-top: 1px solid var(--border-soft); color: var(--faint); font-size: 12.5px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 980px) {
	.menu-toggle { display: grid; }
	.sidebar { transform: translateX(-100%); transition: transform .2s; z-index: 45; width: 286px; }
	.sidebar.open { transform: translateX(0); box-shadow: 30px 0 80px rgba(0,0,0,.5); }
	.content { width: 100%; margin-left: 0; padding: 28px 22px 70px; }
	.build-badge { display: none; }
	.site-link { display: none; }
}

@media (max-width: 620px) {
	.topbar { gap: 10px; padding: 0 12px; }
	.brand-text { display: none; }
	.search-wrap { margin-left: 0; }
	.content { padding: 22px 14px 60px; }
	.hero { padding: 24px 20px; }
	.class-title-row h1 { font-size: 1.55rem; }
	.member { padding: 12px; }
}