/* ───────────────────────── Tokens ───────────────────────── */

:root {
	--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Pretendard Variable", Pretendard, system-ui, sans-serif;
	--mono: "JetBrains Mono Variable", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

	--ink: #ffffff;
	--text: #1d1d1f;
	--text-2: #515154;
	--text-3: #6e6e73;
	--line: rgba(0, 0, 0, 0.1);
	--tile: #f5f5f7;
	--tile-2: #ececf0;
	--link: #0066cc;
	--name-from: #1d1d1f;
	--name-to: #3d4ec2;
	--glass: rgba(255, 255, 255, 0.55);
	--glass-on: rgba(0, 0, 0, 0.07);
	--glass-rim: rgba(255, 255, 255, 0.9);
	--glass-rim-2: rgba(0, 0, 0, 0.06);
	--glass-shadow: 0 8px 28px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.06);
	--edge: rgba(255, 255, 255, 0.9);
	--gold: #8a6100; --gold-bg: rgba(255, 196, 0, 0.16);
	--silver: #4b5563; --silver-bg: rgba(107, 114, 128, 0.13);
	--bronze: #9a4a14; --bronze-bg: rgba(217, 119, 6, 0.13);
	--code-bg: #ffffff;
	--mark: rgba(255, 214, 10, 0.4);
	color-scheme: light;
}

:root[data-theme="dark"] {
	--ink: #000000;
	--text: #f5f5f7;
	--text-2: #a1a1a6;
	--text-3: #8e8e93;
	--line: rgba(255, 255, 255, 0.1);
	--tile: #161617;
	--tile-2: #1d1d1f;
	--link: #2997ff;
	--name-from: #ffffff;
	--name-to: #b9c1ff;
	--glass: rgba(255, 255, 255, 0.055);
	--glass-on: rgba(255, 255, 255, 0.12);
	--glass-rim: rgba(255, 255, 255, 0.55);
	--glass-rim-2: rgba(255, 255, 255, 0.22);
	--glass-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
	--edge: rgba(0, 0, 0, 0.92);
	--gold: #ffd25e; --gold-bg: rgba(255, 210, 94, 0.12);
	--silver: #e3e6ee; --silver-bg: rgba(227, 230, 238, 0.1);
	--bronze: #f0a46a; --bronze-bg: rgba(240, 164, 106, 0.12);
	--code-bg: #0d1117;
	--mark: rgba(255, 214, 10, 0.28);
	color-scheme: dark;
}

/* ───────────────────────── Base ───────────────────────── */

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--ink); -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 96px; }
body {
	margin: 0;
	color: var(--text);
	font-family: var(--font);
	font-size: 17px;
	line-height: 1.5;
	letter-spacing: -0.012em;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	word-break: keep-all;
	overflow-wrap: anywhere;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; border-radius: 6px; }
.icon { width: 1em; height: 1em; flex: none; }

/* Language: both versions are in the page; show the active one. */
[data-lang="en"] [data-l="ko"],
:root:not([data-lang="en"]) [data-l="en"] { display: none !important; }

.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 8px 14px; border-radius: 10px; background: var(--text); color: var(--ink); }
.skip-link:focus { top: 80px; }

/* One fixed canvas behind every page */
#field { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: -2; image-rendering: pixelated; background: var(--ink); }
.veil { position: fixed; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(180deg, transparent 0%, transparent 45%, color-mix(in srgb, var(--ink) 70%, transparent) 100%); }
.edge { position: fixed; top: 0; left: 0; right: 0; height: 96px; z-index: 40; pointer-events: none; opacity: 0; transition: opacity 0.3s; background: linear-gradient(180deg, var(--edge) 0%, color-mix(in srgb, var(--edge) 60%, transparent) 45%, transparent 100%); }
body.scrolled .edge { opacity: 1; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 32px; }

/* ───────────────────────── Liquid glass ───────────────────────── */

.lg {
	position: relative;
	isolation: isolate;
	background: var(--glass);
	-webkit-backdrop-filter: blur(10px) saturate(170%);
	backdrop-filter: blur(10px) saturate(170%);
	box-shadow: inset 0 0 0 0.5px var(--glass-rim-2), inset 1.5px 1.5px 1px -0.5px var(--glass-rim), inset -1px -1px 1px -0.5px var(--glass-rim-2), var(--glass-shadow);
	transition: transform 0.5s cubic-bezier(0.3, 1.6, 0.4, 1), background-color 0.2s;
}
.lg::after {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: inherit;
	pointer-events: none;
	z-index: -1;
	background: radial-gradient(140px circle at var(--mx, 30%) var(--my, 0%), rgba(255, 255, 255, 0.16), transparent 70%);
}
.press:active { transform: scale(0.95); }

/* ───────────────────────── Nav ───────────────────────── */

.nav {
	position: fixed; top: 16px; left: 50%; z-index: 50;
	transform: translateX(-50%);
	display: flex; align-items: center; gap: 2px;
	height: 52px; padding: 0 6px 0 7px;
	border-radius: 999px;
	max-width: calc(100vw - 20px);
}
body.scrolled .nav { background: color-mix(in srgb, var(--ink) 55%, transparent); }
:root:not([data-theme="dark"]) body.scrolled .nav { background: color-mix(in srgb, var(--ink) 82%, transparent); }
.me { flex: none; display: flex; align-items: center; gap: 9px; padding-right: 12px; font-weight: 600; font-size: 16px; letter-spacing: -0.02em; }
.me img { flex: none; max-width: none; width: 36px; height: 36px; border-radius: 50%; object-fit: cover; box-shadow: 0 0 0 1px var(--glass-rim-2); }
.seg { position: relative; display: flex; align-items: center; height: 40px; }
.seg > a, .seg > button {
	position: relative; z-index: 1;
	height: 40px; display: flex; align-items: center; justify-content: center;
	padding: 0 15px;
	border: 0; background: none;
	font: 500 15px var(--font); letter-spacing: -0.01em;
	color: var(--text-2);
	white-space: nowrap;
	transition: color 0.2s;
}
.seg > .on { color: var(--text); }
.drop { position: absolute; top: 0; height: 40px; width: 0; border-radius: 999px; background: var(--glass-on); box-shadow: inset 0 0 0 0.5px var(--glass-rim-2), inset 1px 1px 1px -0.5px var(--glass-rim); }
.small > button { padding: 0 10px; font-size: 12.5px; font-weight: 600; }
.vr { width: 1px; height: 20px; background: var(--line); margin: 0 4px; }
.ib { display: grid; place-items: center; width: 40px; height: 40px; border: 0; border-radius: 50%; background: none; color: var(--text-2); transition: color 0.2s, background-color 0.2s, transform 0.4s cubic-bezier(0.3, 1.6, 0.4, 1); }
.ib:hover { color: var(--text); background: var(--glass-on); }
.ib:active { transform: scale(0.88); }
.ib .icon { width: 18px; height: 18px; }
[data-theme="dark"] .icon-moon, :root:not([data-theme="dark"]) .icon-sun { display: none; }

/* ───────────────────────── Hero ───────────────────────── */

.hero { min-height: 82vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 150px 0 80px; }
.eyebrow { display: block; margin: 0 0 10px; font-size: 21px; font-weight: 600; letter-spacing: 0.004em; color: var(--text); }
.name {
	margin: 0;
	font-size: clamp(72px, 10vw, 128px);
	font-weight: 600;
	letter-spacing: -0.035em;
	line-height: 1.02;
	/* background-clip:text only paints the line box; extend it so descenders (g, y) aren't cut. */
	padding-bottom: 0.14em;
	margin-bottom: -0.14em;
	background: linear-gradient(180deg, var(--name-from) 35%, var(--name-to) 115%);
	-webkit-background-clip: text; background-clip: text; color: transparent;
}
.tag { text-wrap: balance; margin: 22px 0 0; max-width: 640px; font-size: clamp(21px, 2.2vw, 28px); line-height: 1.3; font-weight: 500; color: var(--text-2); }
.social { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 40px; }
.soc { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; color: var(--text); }
.soc .icon { width: 19px; height: 19px; }

.bhero { min-height: auto; padding: 170px 0 30px; }
.bhero .name { font-size: clamp(56px, 7.5vw, 96px); }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 30px; }
.chip { background: color-mix(in srgb, var(--tile) 82%, transparent) !important; color: var(--text-2) !important; }
.chip.on { background: var(--text) !important; color: var(--ink) !important; }
.chip.empty:not(.on) { opacity: 0.75; }
.chip.on span { color: color-mix(in srgb, var(--ink) 60%, transparent); }
.chip { flex: none; white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; height: 38px; padding: 0 17px; border: 0; border-radius: 999px; font-size: 14px; font-weight: 500; color: var(--text-2); }
.chip.on { color: var(--text); background: color-mix(in srgb, var(--ink) 30%, var(--glass-on)); }
.chip span { color: var(--text-3); }

/* ───────────────────────── Sections & tiles ───────────────────────── */

.sec { padding: 60px 0 40px; text-align: center; }
.sec:has(.affs) { padding: 44px 0 20px; }
.sec h2 { text-wrap: balance; margin: 0; font-size: clamp(40px, 5.2vw, 56px); font-weight: 600; letter-spacing: -0.025em; line-height: 1.07; }
.sub { margin: 12px auto 0; max-width: 560px; font-size: 21px; line-height: 1.38; color: var(--text-2); }
.tile { margin-top: 28px; padding: 10px 36px; border-radius: 28px; background: var(--tile); text-align: left; }
.ctl { display: inline-flex; margin: 30px auto 0; padding: 4px; border-radius: 999px; }
.ctl .seg > button { font-size: 14px; padding: 0 16px; }

.aff-group { max-width: 760px; margin: 36px auto 0; text-align: left; }
.aff-group + .aff-group { margin-top: 28px; }
.aff-label { margin: 0 0 8px 20px; font-size: 13px; font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; color: var(--text-3); }
.affs { list-style: none; max-width: 760px; margin: 32px auto 0; padding: 6px 36px; }
.affs > li { padding: 16px 0; border-bottom: 1px solid var(--line); }
.affs > li:last-child { border-bottom: 0; }
.affs b { display: block; font-size: 19px; font-weight: 600; letter-spacing: -0.015em; }
.org-link { display: inline-flex; align-items: center; gap: 2px; }
.org-link .icon { width: 15px; height: 15px; color: var(--text-3); transition: color 0.15s, transform 0.2s; }
.org-link:hover .icon { color: var(--link); transform: translate(1px, -1px); }
.roles { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 2px; }
.roles li { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.roles span { font-size: 15px; color: var(--text-2); }
.roles em { font-style: normal; font-size: 15px; color: var(--text-3); font-variant-numeric: tabular-nums; white-space: nowrap; }

.results ol { list-style: none; margin: 0; padding: 0; }
.yr { margin: 0; padding: 22px 0 6px; font-size: 13px; font-weight: 600; letter-spacing: 0.02em; color: var(--text-3); border-bottom: 1px solid var(--line); }
.results ol + .yr { padding-top: 28px; }
.results[hidden] { display: none; }
.results li { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; align-items: center; gap: 18px; min-height: 66px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.results li:last-child { border-bottom: 0; }
.results ol:not(:last-child) li:last-child { border-bottom: 0; }
.rk { justify-self: start; display: grid; place-items: center; min-width: 48px; height: 28px; padding: 0 10px; border-radius: 999px; font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--text-2); background: var(--glass-on); }
.rk.gold { color: var(--gold); background: var(--gold-bg); }
.rk.silver { color: var(--silver); background: var(--silver-bg); }
.rk.bronze { color: var(--bronze); background: var(--bronze-bg); }
.nm { font-size: 17px; font-weight: 500; letter-spacing: -0.01em; }
.nm small { display: block; margin-top: 2px; font-size: 14px; font-weight: 400; color: var(--text-3); }
.fld { font-size: 15px; color: var(--text-3); font-variant-numeric: tabular-nums; white-space: nowrap; text-align: right; }
.stg { display: block; line-height: 1.55; }
.stg i { font-style: normal; color: var(--text-2); margin-right: 10px; }

/* ───────────────────────── Blog cards ───────────────────────── */

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 40px 0 60px; }
.card { display: flex; flex-direction: column; min-height: 240px; padding: 30px; border-radius: 28px; background: var(--tile); transition: transform 0.45s cubic-bezier(0.3, 1.4, 0.4, 1), background-color 0.2s; }
.card:hover { transform: scale(1.015); background: var(--tile-2); }
.card.lead { grid-column: span 2; min-height: 290px; background: radial-gradient(120% 140% at 85% 0%, rgba(80, 100, 240, 0.22), transparent 55%), var(--tile); }
.card .k { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
.card h2 { margin: 12px 0 0; font-size: 28px; font-weight: 600; letter-spacing: -0.022em; line-height: 1.15; }
.card.lead h2 { font-size: clamp(32px, 4vw, 44px); max-width: 720px; }
.card p { margin: 12px 0 0; max-width: 620px; font-size: 17px; line-height: 1.45; color: var(--text-2); }
.card time { margin-top: auto; padding-top: 26px; font-size: 14px; color: var(--text-3); }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; background: var(--glass-on); color: var(--text-2); font-size: 12px; font-weight: 500; vertical-align: 4px; }

/* ───────────────────────── Post ───────────────────────── */

.post-layout { display: grid; grid-template-columns: minmax(0, 760px); justify-content: center; gap: 48px; }
@media (min-width: 1200px) {
	.post-layout.has-toc { grid-template-columns: minmax(0, 760px) 240px; margin-right: -120px; }
}
.post-head { padding: 140px 0 36px; margin-bottom: 40px; border-bottom: 1px solid var(--line); }
.back { display: inline-flex; align-items: center; gap: 2px; margin-bottom: 28px; color: var(--link); font-size: 17px; }
.back:hover { text-decoration: underline; }
.post-head .eyebrow { font-size: 17px; color: var(--text-2); }
.post-head .eyebrow:hover { color: var(--text); }
.post-head h1 { margin: 0; font-size: clamp(36px, 5vw, 52px); font-weight: 600; letter-spacing: -0.03em; line-height: 1.1; }
.post-desc { margin: 16px 0 0; font-size: 21px; line-height: 1.4; color: var(--text-2); }
.post-meta { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: 22px; font-size: 15px; color: var(--text-3); }
.tags { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 10px; font-size: 15px; }
.tags a { color: var(--link); }
.tags a:hover { text-decoration: underline; }

.toc-aside { display: none; }
@media (min-width: 1200px) {
	.toc-aside { display: block; padding-top: 140px; }
	.toc-glass { position: sticky; top: 96px; max-height: calc(100vh - 130px); overflow-y: auto; padding: 18px 18px 14px; border-radius: 22px; }
	.toc-mobile { display: none; }
}
.toc-title { margin: 0 0 10px; font-size: 13px; font-weight: 600; color: var(--text-3); }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc a { display: block; padding: 5px 0; font-size: 14px; line-height: 1.4; color: var(--text-2); transition: color 0.15s; }
.toc .toc-l1 a { padding-left: 14px; font-size: 13px; }
.toc a:hover { color: var(--text); }
.toc a.active { color: var(--link); }
.toc-mobile { margin: 0 0 36px; padding: 0 22px; }
.toc-mobile summary { display: flex; align-items: center; gap: 8px; padding: 16px 0; font-weight: 600; cursor: pointer; list-style: none; }
.toc-mobile summary::-webkit-details-marker { display: none; }
.toc-mobile .toc { padding-bottom: 14px; }
.toc-mobile .toc-title { display: none; }

.part { color: var(--text-2); }
.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 60; pointer-events: none; }
.progress span { display: block; height: 100%; width: 100%; background: var(--link); transform-origin: 0 50%; transform: scaleX(var(--p, 0)); }
.to-top { position: fixed; right: 24px; bottom: 24px; z-index: 45; display: grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 50%; color: var(--text); opacity: 0; pointer-events: none; transition: opacity 0.25s, transform 0.4s cubic-bezier(0.3, 1.6, 0.4, 1); }
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top .icon { width: 18px; height: 18px; }
.post-foot { margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line); }
.license { margin: 0; font-size: 13px; color: var(--text-3); }
.license a { text-decoration: underline; text-underline-offset: 3px; }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.nav-card { display: flex; flex-direction: column; gap: 6px; padding: 20px 22px; border-radius: 22px; background: var(--tile); transition: background-color 0.2s, transform 0.4s cubic-bezier(0.3, 1.4, 0.4, 1); }
.nav-card:hover { background: var(--tile-2); transform: scale(1.015); }
.nav-next { text-align: right; align-items: flex-end; }
.nav-dir { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--text-3); }
.nav-title { font-weight: 600; font-size: 17px; line-height: 1.35; }

/* ───────────────────────── Prose ───────────────────────── */

.prose { font-size: 17px; line-height: 1.75; color: var(--text); }
.prose > :first-child { margin-top: 0; }
.prose :is(h1, h2, h3, h4) { position: relative; letter-spacing: -0.022em; line-height: 1.25; font-weight: 600; }
.prose h1 { font-size: 34px; margin: 2em 0 0.6em; }
.prose h2 { font-size: 28px; margin: 1.9em 0 0.6em; }
.prose h3 { font-size: 22px; margin: 1.7em 0 0.5em; }
.prose h4 { font-size: 19px; margin: 1.5em 0 0.4em; }
.prose .anchor { margin-left: 0.3em; color: var(--text-3); font-weight: 400; opacity: 0; transition: opacity 0.15s; }
.prose :is(h1, h2, h3, h4):hover .anchor { opacity: 1; }
.prose p { margin: 1em 0; }
.prose a { color: var(--link); }
.prose a:hover { text-decoration: underline; }
.prose strong { font-weight: 600; }
.prose :is(ul, ol) { padding-left: 1.4em; margin: 1em 0; }
.prose li { margin: 0.3em 0; }
.prose li::marker { color: var(--text-3); }
.prose hr { border: 0; height: 1px; background: var(--line); margin: 2.2em 0; }
/* Section dividers right next to a heading only add empty space. */
.prose :is(h1, h2, h3, h4) + hr, .prose hr:has(+ :is(h1, h2, h3, h4)), .prose > hr:first-child { display: none; }
.prose mark { background: var(--mark); color: inherit; border-radius: 3px; padding: 0 2px; }
.prose blockquote { margin: 1.5em 0; padding: 16px 22px; border-radius: 18px; background: var(--tile); color: var(--text-2); }
.prose blockquote > :first-child { margin-top: 0; }
.prose blockquote > :last-child { margin-bottom: 0; }
.prose img { height: auto; margin: 1.75em auto; border-radius: 18px; }
[data-theme="dark"] .prose img { filter: brightness(0.86) contrast(1.04); box-shadow: 0 0 0 1px var(--line); }
.prose :not(pre) > code { padding: 0.12em 0.4em; border-radius: 6px; background: var(--tile); font-family: var(--mono); font-size: 0.86em; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.table-wrap { margin: 1.5em 0; overflow-x: auto; border-radius: 18px; background: var(--tile); }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.55; }
.prose :is(th, td) { padding: 11px 16px; text-align: left; border-bottom: 1px solid var(--line); }
.prose th { font-weight: 600; white-space: nowrap; background: color-mix(in srgb, var(--text) 6%, transparent); }
.prose tr:last-child td { border-bottom: 0; }
.prose .katex-display { overflow-x: auto; overflow-y: hidden; padding: 4px 0; }

.code { margin: 1.6em 0; border-radius: 18px; background: var(--code-bg); overflow: hidden; box-shadow: inset 0 0 0 1px var(--line); }
.code figcaption { display: flex; align-items: center; gap: 6px; height: 38px; padding: 0 8px 0 18px; font-family: var(--mono); font-size: 12px; color: var(--text-3); }
.code figcaption .copy { margin-left: auto; }
.code figcaption > .icon { width: 14px; height: 14px; }
.code.terminal figcaption { font-family: var(--font); font-weight: 500; letter-spacing: 0; }
.code.long:not(.open) pre { max-height: calc(30 * 1.65em + 20px); overflow-y: hidden; -webkit-mask: linear-gradient(180deg, #000 70%, transparent); mask: linear-gradient(180deg, #000 70%, transparent); }
.code-more { display: block; width: 100%; height: 42px; border: 0; border-top: 1px solid var(--line); background: none; color: var(--link); font: 500 14px var(--font); }
.code-more:hover { background: var(--glass-on); }
.copy { display: grid; place-items: center; width: 30px; height: 30px; border: 0; border-radius: 8px; background: none; color: var(--text-3); transition: color 0.15s, background-color 0.15s; }
.copy:hover { color: var(--text); background: var(--glass-on); }
.copy .icon { width: 14px; height: 14px; grid-area: 1 / 1; }
.copy .icon:last-child, .copy.copied .icon:first-child { display: none; }
.copy.copied .icon:last-child { display: block; color: var(--link); }
.code pre { margin: 0; padding: 4px 0 16px; overflow-x: auto; background: transparent !important; font-family: var(--mono); font-size: 13.5px; line-height: 1.65; tab-size: 4; }
.code code { display: block; min-width: fit-content; font-family: inherit; }
.code .line { display: inline-block; width: 100%; padding: 0 20px; }
.code.numbered code { counter-reset: line; }
.code.numbered .line::before { counter-increment: line; content: counter(line); display: inline-block; width: 2.4ch; margin-right: 18px; text-align: right; color: var(--text-3); opacity: 0.6; user-select: none; }
.shiki, .shiki span { color: var(--shiki-light); }
[data-theme="dark"] .shiki, [data-theme="dark"] .shiki span { color: var(--shiki-dark); }

/* ───────────────────────── Search ───────────────────────── */

.search {
	width: min(640px, calc(100vw - 32px));
	max-height: min(560px, calc(100dvh - 140px));
	margin: 12vh auto auto;
	padding: 0;
	border: 0;
	border-radius: 26px;
	color: var(--text);
	background: color-mix(in srgb, var(--ink) 72%, transparent);
	overflow: hidden;
}
.search[open] { display: flex; flex-direction: column; animation: pop 0.16s ease-out; }
.search::backdrop { background: rgba(0, 0, 0, 0.3); backdrop-filter: blur(4px); }
@keyframes pop { from { opacity: 0; transform: translateY(-8px) scale(0.98); } }
.search-row { display: flex; align-items: center; gap: 12px; padding: 0 20px; border-bottom: 1px solid var(--line); color: var(--text-3); }
.search-row .icon { width: 18px; height: 18px; }
.search-row input { flex: 1; height: 58px; border: 0; outline: 0; background: none; color: var(--text); font: inherit; font-size: 17px; }
.search-row input::-webkit-search-cancel-button { display: none; }
kbd { font-family: var(--mono); font-size: 11px; padding: 2px 7px; border-radius: 6px; background: var(--glass-on); color: var(--text-3); }
.search-results { overflow-y: auto; padding: 8px; }
.search-hint { margin: 0; padding: 30px 12px; text-align: center; font-size: 15px; color: var(--text-3); }
.search-result { display: block; padding: 12px 14px; border-radius: 14px; }
.search-result[aria-selected="true"] { background: var(--glass-on); }
.search-result-title { font-weight: 600; }
.search-result-excerpt { margin-top: 4px; font-size: 14px; line-height: 1.5; color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.search-result mark { background: var(--mark); color: inherit; border-radius: 2px; }

/* ───────────────────────── Footer ───────────────────────── */

.foot { display: flex; justify-content: space-between; gap: 16px; margin-top: 40px; padding: 28px 0 60px; border-top: 1px solid var(--line); font-size: 12px; color: var(--text-3); }
.foot a:hover { color: var(--text); }

/* ───────────────────────── Mobile ───────────────────────── */

@media (max-width: 760px) {
	.wrap { padding: 0 20px; }
	.hero { min-height: auto; padding: 130px 0 60px; }
	.bhero { padding-top: 130px; }
	.nav { gap: 0; height: 50px; padding: 0 4px 0 6px; }
	.me { padding-right: 4px; }
	.me span { display: none; }
	.me img { width: 32px; height: 32px; }
	.seg > a { padding: 0 12px; font-size: 14px; }
	.small > button { padding: 0 8px; }
	.ib { width: 36px; height: 36px; }
	.vr { margin: 0 2px; }
	.tile { padding: 6px 20px; border-radius: 22px; }
	.affs { padding: 4px 20px; }
	.aff-label { margin-left: 16px; }
	.results li { grid-template-columns: 56px minmax(0, 1fr); }
	.fld { grid-column: 2; margin-top: -6px; text-align: left; white-space: normal; }
	.chips { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; align-self: stretch; width: calc(100% + 40px); max-width: none; margin: 26px -20px 0; padding: 4px 20px 10px; scrollbar-width: none; }
	.chips::-webkit-scrollbar { display: none; }
	.ctl .seg > button { padding: 0 14px; }
	.tab-rest { display: none; }
	.cards { grid-template-columns: 1fr; }
	.card.lead { grid-column: auto; }
	.card, .card.lead { min-height: 0; padding: 26px; }
	.post-head { padding-top: 110px; }
	.post-nav { grid-template-columns: 1fr; }
	.code .line { padding: 0 16px; }
	.code pre { font-size: 12.5px; }
	.code.numbered .line::before { display: none; }
	.to-top { right: 16px; bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { transition: none !important; animation: none !important; }
}