/* ALDHub public site: shared styles for the redesigned pages (thin-film color direction). */
[hidden] { display: none !important; }
/* Held invisible while aldhub-language.js translates a non-English page (no flash of English). */
html.i18n-pending body { visibility: hidden; }
img { max-width: 100%; }
/* Layout: a wafer cross-section. Light "gas" sections sit above the surface; a full-width substrate band with trenches
   separates the hero from the module band, which sits "in the silicon". Module colors are thin-film interference colors. */
:root {
  --gas: #eceef1;
  --gas-2: #e1e5e9;
  --glass: rgb(236 238 241 / .9);
  --surface: #f8f9fa;
  --ink: #1b2026;
  --ink-2: #4a535c;
  --rule: #c9cfd5;
  --si: #2f363d;
  --si-ink: #e7eaed;
  --si-ink-2: #aab3bb;
  --si-rule: #48515a;
  --link: #2f4fa8;
  --db: #6a3f8f;          /* ~100 nm violet: Materials database */
  --fg: #5d8fc9;          /* ~150 nm blue: Film growth */
  --ps: #c9a43f;          /* ~200 nm gold: Process simulation */
  --db-ink: #6a3f8f;
  --cell-strong-ink: #ffffff;
  --on-dark-db: #b89ad8;
  --on-dark-fg: #93bbe9;
  --on-dark-ps: #e3c66d;
  --con-bg: #171b1f;
  --con-ink: #e8ecee;
  --con-dim: #8f9ba3;
  --con-grid: #2a3137;
  --ps-1: #f5e3a8; --ps-2: #e8c968; --ps-3: #cfa83f; --ps-4: #a3832f; --ps-5: #7a6224;
  /* Page accents: fills (--x) and text-safe variants (--x-ink) */
  --fg-ink: #2d5f95;
  --ps-ink: #765809;
  --sci: #2f4fa8;  --sci-ink: #2f4fa8;   /* ~125 nm royal blue: ALD & ALE */
  --app: #de8a4e;  --app-ink: #9c4f18;   /* ~250 nm orange: Applications */
  --ins: #a3406f;  --ins-ink: #a3406f;   /* ~275 nm red-violet: Insights */
  --danger: #b42318;
  --accent: var(--link);
  --accent-ink: var(--link);

  --f-display: "Bricolage Grotesque", "Noto Sans SC", system-ui, sans-serif;
  --f-body: "Figtree", "Noto Sans SC", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", "Noto Sans SC", ui-monospace, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --gas: #121518; --gas-2: #181c20; --glass: rgb(18 21 24 / .9); --surface: #1d2227;
    --ink: #e7eaed; --ink-2: #a2abb4; --rule: #2f363d;
    --si: #252b31; --si-ink: #e7eaed; --si-ink-2: #a2abb4; --si-rule: #3b434b;
    --link: #93a9f3; --db: #9a6fc4; --fg: #7fb0e6; --ps: #dcbc5a; --db-ink: #c3a6e3; --cell-strong-ink: #121518;
    --fg-ink: #93bbe9; --ps-ink: #e3c66d; --sci: #7f9cf0; --sci-ink: #93a9f3; --app: #e89a62; --app-ink: #eba673;
    --ins: #d877a6; --ins-ink: #e08ab2; --danger: #f97066;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --gas: #121518; --gas-2: #181c20; --glass: rgb(18 21 24 / .9); --surface: #1d2227;
  --ink: #e7eaed; --ink-2: #a2abb4; --rule: #2f363d;
  --si: #252b31; --si-ink: #e7eaed; --si-ink-2: #a2abb4; --si-rule: #3b434b;
  --link: #93a9f3; --db: #9a6fc4; --fg: #7fb0e6; --ps: #dcbc5a; --db-ink: #c3a6e3; --cell-strong-ink: #121518;
  --fg-ink: #93bbe9; --ps-ink: #e3c66d; --sci: #7f9cf0; --sci-ink: #93a9f3; --app: #e89a62; --app-ink: #eba673;
  --ins: #d877a6; --ins-ink: #e08ab2; --danger: #f97066;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 80px; }
body { margin: 0; background: var(--gas); color: var(--ink); font: 17px/1.65 var(--f-body); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, p, dl, dd, figure, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: var(--link); text-underline-offset: 3px; }
button, input { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; }
.shell { width: 100%; max-width: 1280px; margin-inline: auto; padding-inline: 24px; }
.kicker { font: 500 12.5px/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
h1, h2, h3 { font-family: var(--f-display); text-wrap: balance; font-weight: 700; }
h2 { font-size: clamp(30px, 3.6vw, 44px); line-height: 1.05; letter-spacing: -0.03em; font-variation-settings: "opsz" 72; }
h3 { font-size: 26px; line-height: 1.15; letter-spacing: -0.02em; }
:lang(zh) h1, :lang(zh) h2, :lang(zh) h3 { letter-spacing: 0; line-height: 1.25; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.sec-head { display: grid; gap: 12px; max-width: 760px; }
.sec-head p:not(.kicker) { color: var(--ink-2); font-size: 18px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; min-height: 46px; padding: 0 20px; border-radius: 999px; border: 1.5px solid var(--ink); color: var(--ink); background: transparent; font: 600 15.5px/1 var(--f-body); text-decoration: none; cursor: pointer; transition: background .15s, color .15s; white-space: nowrap; }
.btn:hover { background: var(--gas-2); }
.btn-solid { background: var(--ink); color: var(--gas); }
.btn-solid:hover { background: var(--ink-2); border-color: var(--ink-2); }
.text-link { font-weight: 600; color: var(--ink); text-decoration: underline; text-decoration-color: var(--rule); text-decoration-thickness: 2px; }
.text-link:hover { text-decoration-color: currentColor; }

/* Header */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30; background: var(--glass); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--rule); }
.header-inner { display: flex; align-items: center; gap: 28px; min-height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 700 23px/1 var(--f-display); letter-spacing: -0.03em; }
.brand .hub { font-weight: 400; }
.brand svg { width: 34px; height: 26px; flex: none; }
.brand-mark {
  --aldhub-mark-violet: var(--db);
  --aldhub-mark-blue: var(--fg);
  --aldhub-mark-gold: var(--ps);
}
.site-nav { display: flex; gap: 22px; flex: 1; font-size: 15px; font-weight: 500; }
.site-nav a { color: var(--ink-2); text-decoration: none; padding-block: 21px 19px; border-bottom: 2px solid transparent; white-space: nowrap; }
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--db); }
.header-tools { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.lang { display: flex; padding: 2px; border: 1px solid var(--rule); border-radius: 999px; }
.lang button { min-height: 32px; padding: 0 11px; border: 0; border-radius: 999px; background: none; font: 500 12.5px/1 var(--f-mono); color: var(--ink-2); cursor: pointer; white-space: nowrap; }
.lang button[aria-pressed="true"] { background: var(--ink); color: var(--gas); }
.header-tools .btn { min-height: 38px; padding: 0 15px; font-size: 14.5px; }
.signin { font-size: 15px; font-weight: 600; color: var(--ink); text-decoration: none; white-space: nowrap; }
.menu-btn { display: none; width: 40px; height: 40px; border: 1px solid var(--rule); border-radius: 50%; background: none; cursor: pointer; place-items: center; }
.menu-btn span { display: block; width: 16px; height: 1.5px; background: var(--ink); box-shadow: 0 5px 0 var(--ink), 0 -5px 0 var(--ink); }
.nav-actions { display: none; }

/* Home: hero */
.hero { padding-block: 44px 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 56px; align-items: center; }
.hero h1 { margin-top: 18px; font-size: clamp(44px, 6.4vw, 82px); line-height: .96; letter-spacing: -0.045em; font-variation-settings: "opsz" 96; }
:lang(zh) .hero h1 { font-size: clamp(38px, 5.4vw, 66px); }
.lead { margin-top: 24px; max-width: 34em; font-size: 20px; line-height: 1.55; color: var(--ink-2); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 30px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--rule); font: 13px/1.5 var(--f-mono); color: var(--ink-2); }
.facts b { color: var(--ink); font-weight: 600; }

.wafer-tool { display: grid; grid-template-columns: minmax(0, 1fr); justify-items: center; gap: 18px; min-width: 0; }
.wafer-tool > svg { display: block; width: min(100%, 300px); height: auto; }
.controls { display: grid; gap: 14px; width: min(100%, 440px); }
.controls-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.ctl-title { font: 500 12.5px/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.seg { display: flex; flex-wrap: wrap; padding: 3px; border: 1px solid var(--rule); border-radius: 999px; width: max-content; max-width: 100%; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label { padding: 8px 13px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--ink-2); cursor: pointer; }
.seg input:checked + label { background: var(--ink); color: var(--gas); }
.seg input:focus-visible + label { outline: 2px solid var(--link); outline-offset: 2px; }
.range-row { display: grid; gap: 6px; }
.range-row label { display: flex; justify-content: space-between; font-size: 14px; font-weight: 600; }
.range-row label span { font: 12.5px/1.6 var(--f-mono); color: var(--ink-2); font-weight: 400; }
input[type="range"] { width: 100%; accent-color: var(--ink); margin: 0; height: 28px; }
.readouts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-block: 1px solid var(--rule); }
.readouts div { padding: 10px 0; }
.readouts div + div { padding-left: 14px; border-left: 1px solid var(--rule); }
.readouts dt { font: 500 11px/1.3 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.readouts dd { font: 600 21px/1.35 var(--f-mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.tool-note { font-size: 13.5px; line-height: 1.55; color: var(--ink-2); }
.tool-note code { font-family: var(--f-mono); font-size: 12.5px; color: var(--ink); }

/* Home: cross-section band */
.xsec { position: relative; margin-top: 18px; }
.xsec svg { display: block; width: 100%; height: clamp(150px, 17vw, 230px); }
.xsec-cap { position: absolute; left: 0; right: 0; bottom: 14px; }
.xsec-cap p { font: 12px/1.5 var(--f-mono); color: var(--si-ink-2); max-width: 46ch; }

/* Home: modules in the substrate */
.modules { background: var(--si); color: var(--si-ink); padding-block: 40px 88px; }
.modules .kicker, .modules .sec-head p:not(.kicker) { color: var(--si-ink-2); }
.module-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; margin-top: 44px; }
.module { display: grid; grid-template-rows: auto auto auto 1fr auto; gap: 14px; padding-top: 20px; border-top: 5px solid var(--c); min-width: 0; }
.module .scale { font: 500 12px/1.4 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--cc); }
.module p { color: var(--si-ink-2); font-size: 16px; }
.module a.go { color: var(--si-ink); font-weight: 600; text-decoration: underline; text-decoration-color: var(--si-rule); text-decoration-thickness: 2px; justify-self: start; }
.module a.go:hover { text-decoration-color: currentColor; }
.console { align-self: start; background: var(--con-bg); color: var(--con-ink); border: 1px solid var(--si-rule); border-radius: 6px; padding: 12px 14px 12px; font: 12px/1.45 var(--f-mono); min-width: 0; }
.console .ct { display: flex; justify-content: space-between; gap: 10px; color: var(--con-dim); font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 10px; }
.bars { display: grid; gap: 7px; }
.bars li { display: grid; grid-template-columns: 30px 1fr 26px; align-items: center; gap: 8px; font-variant-numeric: tabular-nums; }
.bars i { display: block; height: 7px; border-radius: 2px; background: var(--on-dark-db); }
.bars b { font-weight: 500; text-align: right; }
.bars span { color: var(--con-dim); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; }
.kv dt { color: var(--con-dim); }
.kv dd { color: var(--con-ink); }
.console svg { display: block; width: 100%; height: auto; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 10px; margin-top: 6px; color: var(--con-dim); font-size: 10.5px; }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 12px; height: 2px; background: var(--c); }

/* Home: learn */
.learn { padding-block: 84px; }
.learn-list { margin-top: 36px; border-top: 1px solid var(--rule); }
.learn-list a { display: grid; grid-template-columns: minmax(180px, .9fr) minmax(0, 2fr) auto; gap: 24px; align-items: baseline; padding: 24px 8px; border-bottom: 1px solid var(--rule); color: var(--ink); text-decoration: none; transition: background .15s; }
.learn-list a:hover { background: var(--gas-2); }
.learn-list h3 { font-size: 26px; }
.learn-list p { color: var(--ink-2); }
.learn-list .arr { font-family: var(--f-mono); font-size: 18px; color: var(--ink-2); }

.team { background: var(--gas-2); padding-block: 72px; }
.team-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: end; }
.team-grid p { color: var(--ink-2); max-width: 46ch; }
.team-grid .text-link { display: inline-block; margin-top: 16px; }

.closing { padding-block: 80px; }
.closing-inner { display: grid; grid-template-columns: minmax(0, 1.4fr) auto; gap: 32px; align-items: end; }
.closing h2 { max-width: 18ch; }
.closing p { margin-top: 14px; color: var(--ink-2); font-size: 18px; max-width: 46ch; }
.closing .hero-actions { margin-top: 0; }
.film-rule { height: 6px; background: linear-gradient(90deg, var(--db) 0 33.4%, var(--fg) 33.4% 66.7%, var(--ps) 66.7%); }

/* Footer */
.site-footer { background: var(--si); color: var(--si-ink); padding-block: 48px 36px; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 40px; }
.site-footer .brand { color: var(--si-ink); }
.site-footer .brand-mark {
  --aldhub-mark-violet: var(--on-dark-db);
  --aldhub-mark-blue: var(--on-dark-fg);
  --aldhub-mark-gold: var(--on-dark-ps);
}
.site-footer p { color: var(--si-ink-2); font-size: 15px; margin-top: 14px; max-width: 44ch; }
.foot-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 28px; align-content: start; font-size: 15px; }
.foot-links a { color: var(--si-ink); text-decoration: none; }
.foot-links a:hover { text-decoration: underline; }
.foot-note { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--si-rule); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; font: 12.5px/1.5 var(--f-mono); color: var(--si-ink-2); }

/* Database page */
.db-hero { padding-block: 40px 44px; }
.crumbs { display: flex; gap: 8px; font: 13px/1.4 var(--f-mono); color: var(--ink-2); }
.crumbs a { color: var(--ink-2); }
.db-hero .kicker { margin-top: 30px; color: var(--db-ink); }
.db-hero h1 { margin-top: 12px; font-size: clamp(42px, 5.6vw, 72px); line-height: 1; letter-spacing: -0.04em; font-variation-settings: "opsz" 96; }
.db-hero .lead { max-width: 40em; }
.search { display: flex; margin-top: 30px; max-width: 820px; border: 2px solid var(--ink); border-radius: 14px; background: var(--surface); overflow: hidden; }
.search:focus-within { box-shadow: 0 0 0 4px color-mix(in oklab, var(--link) 25%, transparent); }
.search input { flex: 1; min-width: 0; padding: 17px 20px; border: 0; background: transparent; font-size: 19px; font-weight: 500; outline: none; }
.search input::placeholder { color: var(--ink-2); opacity: .8; }
.search button { flex: none; padding: 0 26px; border: 0; background: var(--ink); color: var(--gas); font-weight: 700; font-size: 16px; cursor: pointer; }
.try { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 14px; }
.try span { font: 12.5px/1 var(--f-mono); color: var(--ink-2); margin-right: 4px; }
.try button { padding: 7px 11px; border: 1px solid var(--rule); border-radius: 6px; background: var(--surface); font: 500 13px/1 var(--f-mono); cursor: pointer; }
.try button:hover { border-color: var(--ink); }
.result { margin-top: 18px; max-width: 820px; }
.result-card { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 16px; align-items: center; padding: 16px 18px; border: 1px solid var(--rule); border-radius: 12px; background: var(--surface); }
.result-sym { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 8px; background: var(--db); color: var(--cell-strong-ink); font: 700 24px/1 var(--f-display); }
.result-sym.muted { background: var(--gas-2); color: var(--ink-2); font: 600 15px/1 var(--f-mono); }
.result-card h3 { font-size: 20px; letter-spacing: -0.01em; }
.result-card p { color: var(--ink-2); font-size: 15.5px; margin-top: 2px; }
.result-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; }
.result-actions .btn { min-height: 40px; font-size: 14.5px; }
.result-actions button.text-link { background: none; border: 0; padding: 0; cursor: pointer; font-size: 15px; }

.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 44px; border-top: 1px solid var(--rule); }
.stat { padding: 18px 20px 0 0; display: grid; gap: 4px; align-content: start; }
.stat + .stat { padding-left: 20px; border-left: 1px solid var(--rule); }
.stat strong { font: 700 clamp(34px, 3.6vw, 46px)/1 var(--f-display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.stat h2 { font: 600 16px/1.3 var(--f-body); letter-spacing: 0; margin-top: 6px; }
.stat p { font-size: 14px; line-height: 1.5; color: var(--ink-2); }
.snapshot { margin-top: 16px; font: 12.5px/1.5 var(--f-mono); color: var(--ink-2); }

.coverage { background: var(--gas-2); padding-block: 72px; }
.pt-layout { display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(280px, 1fr); gap: 36px; margin-top: 36px; align-items: start; }
.pt-wrap { container-type: inline-size; min-width: 0; }
.ptable { display: grid; grid-template-columns: repeat(18, minmax(0, 1fr)); grid-template-rows: repeat(6, auto) 10px auto; gap: 3px; }
.ptable button { position: relative; aspect-ratio: 1 / 1.08; min-width: 0; padding: 0; border: 0; border-radius: 3px; background: var(--surface); color: var(--ink-2); font: 600 clamp(8px, 2.05cqi, 14px)/1 var(--f-mono); cursor: pointer; display: grid; place-items: center; }
.ptable button.has { background: color-mix(in oklab, var(--db) var(--p), var(--surface)); color: var(--ink); }
.ptable button.has.strong { color: var(--cell-strong-ink); }
.ptable button small { position: absolute; bottom: 9%; left: 0; right: 0; font-size: .62em; font-weight: 500; opacity: .85; text-align: center; }
.ptable button[aria-pressed="true"] { outline: 2px solid var(--ink); outline-offset: 1px; z-index: 1; }
.ptable button:hover { outline: 1.5px solid var(--ink-2); outline-offset: 0; }
.pt-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; margin-top: 16px; font: 12px/1.4 var(--f-mono); color: var(--ink-2); }
.ramp { display: inline-flex; align-items: center; gap: 8px; }
.ramp i { width: 110px; height: 10px; border-radius: 2px; background: linear-gradient(90deg, color-mix(in oklab, var(--db) 25%, var(--surface)), var(--db)); }
.swatch-none { display: inline-flex; align-items: center; gap: 8px; }
.swatch-none i { width: 12px; height: 12px; border-radius: 2px; background: var(--surface); border: 1px solid var(--rule); }
@container (max-width: 520px) { .ptable button small { display: none; } }

.el-panel { background: var(--surface); border: 1px solid var(--rule); border-radius: 12px; padding: 20px; display: grid; gap: 16px; }
.el-head { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 16px; align-items: center; }
.el-sym { grid-row: span 2; width: 74px; height: 74px; border-radius: 10px; display: grid; place-items: center; background: var(--db); color: var(--cell-strong-ink); font: 700 34px/1 var(--f-display); position: relative; }
.el-sym.none { background: var(--gas-2); color: var(--ink-2); }
.el-sym small { position: absolute; top: 6px; left: 8px; font: 500 10px/1 var(--f-mono); opacity: .85; }
.el-head h3 { font-size: 24px; }
.el-head p { color: var(--ink-2); font-size: 14.5px; }
.el-count { font: 600 15px/1.4 var(--f-mono); }
.el-msg { font-size: 15px; color: var(--ink-2); }
.top10 { border-top: 1px solid var(--rule); padding-top: 14px; display: grid; gap: 4px; }
.top10 h4 { font: 500 11.5px/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 6px; }
.top10 button { display: grid; grid-template-columns: 112px minmax(0, 1fr) 28px; align-items: center; gap: 10px; padding: 3px 4px; border: 0; border-radius: 4px; background: none; cursor: pointer; text-align: left; font: 13px/1.4 var(--f-body); font-variant-numeric: tabular-nums; }
.top10 button:hover { background: var(--gas-2); }
.top10 button i { display: block; height: 8px; border-radius: 2px; background: color-mix(in oklab, var(--db) 45%, var(--surface)); }
.top10 button[aria-pressed="true"] i { background: var(--db); }
.top10 button[aria-pressed="true"] { font-weight: 700; }
.top10 button b { font: 500 12.5px/1 var(--f-mono); text-align: right; }

.record { padding-block: 84px; }
.record-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 48px; align-items: start; }
.record-layout .sec-head { position: sticky; top: 100px; }
.rcard { background: var(--surface); border: 1px solid var(--rule); border-radius: 14px; overflow: hidden; }
.rcard-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 18px 22px; border-bottom: 1px solid var(--rule); }
.rcard-head h3 { font-size: 26px; }
.chip { display: inline-block; padding: 5px 9px; border-radius: 5px; font: 500 11.5px/1 var(--f-mono); letter-spacing: .04em; background: var(--gas-2); color: var(--ink-2); }
.chip.db { background: color-mix(in oklab, var(--db) 16%, var(--surface)); color: var(--db-ink); }
.rgroup { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 16px; padding: 16px 22px; border-bottom: 1px solid var(--rule); }
.rgroup:last-of-type { border-bottom: 0; }
.rgroup h4 { font: 500 11.5px/1.6 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.rgroup dl { display: grid; grid-template-columns: minmax(130px, auto) minmax(0, 1fr); gap: 6px 16px; font-size: 15px; }
.rgroup dt { color: var(--ink-2); }
.rgroup dd { font-family: var(--f-mono); font-size: 14px; overflow-wrap: anywhere; }
.rcard-foot { padding: 12px 22px; background: var(--gas-2); font: 12.5px/1.5 var(--f-mono); color: var(--ink-2); }

.flow { padding-block: 20px 84px; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: 36px; counter-reset: step; }
.steps > li { position: relative; padding: 52px 28px 0 0; counter-increment: step; }
.steps > li::before { content: counter(step); position: absolute; top: 0; left: 0; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--surface); border: 2px solid var(--accent, var(--db)); color: var(--ink); font: 600 14px/1 var(--f-mono); }
.steps > li::after { content: ""; position: absolute; top: 17px; left: 44px; right: 10px; height: 1.5px; background: var(--rule); }
.steps > li:last-child::after { display: none; }
.steps h3 { font-size: 22px; }
.steps p { margin-top: 8px; color: var(--ink-2); font-size: 16px; }

.notes { background: var(--gas-2); padding-block: 72px; }
.note-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: 32px; }
.note-grid div { border-top: 1px solid var(--rule); padding-top: 18px; }
.note-grid h3 { font-size: 20px; letter-spacing: -0.01em; }
.note-grid p { margin-top: 8px; color: var(--ink-2); font-size: 16px; }
.sources { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: 15px; }
.sources span { font: 500 12px/1.9 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }

/* Responsive */
/* The main navigation folds into the menu before the header row gets crowded. */
@media (max-width: 1180px) {
  .site-nav { position: absolute; top: 100%; left: 0; right: 0; display: none; flex-direction: column; gap: 0; max-height: calc(100vh - 66px); max-height: calc(100dvh - 66px); overflow-y: auto; padding: 4px 24px 18px; background: var(--gas); border-bottom: 1px solid var(--rule); box-shadow: 0 18px 30px rgb(0 0 0 / .1); }
  .site-nav.open { display: flex; }
  .site-nav a { padding-block: 14px; border-bottom: 1px solid var(--rule); font-size: 16px; }
  .site-nav a[aria-current="page"] { border-bottom-color: var(--rule); color: var(--db-ink); }
  .menu-btn { display: grid; }
}
@media (max-width: 900px) {
  .hero-grid, .team-grid, .closing-inner, .record-layout, .pt-layout, .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .module-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .record-layout .sec-head { position: static; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { padding-left: 0; border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--rule); margin-top: 18px; }
  .hero { padding-top: 44px; }
}
@media (max-width: 640px) {
  .shell { padding-inline: 18px; }
  .header-tools .btn, .signin { display: none; }
  .learn-list a { grid-template-columns: minmax(0, 1fr) auto; gap: 6px 16px; }
  .learn-list p { grid-column: 1; grid-row: 2; }
  .learn-list .arr { grid-row: 1 / span 2; grid-column: 2; align-self: center; }
  .steps { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .steps > li { padding: 0 0 0 52px; }
  .steps > li::after { display: none; }
  .note-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .rgroup { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .rgroup dl { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); }
  .search button { padding: 0 16px; }
  .readouts dd { font-size: 17px; }
  .xsec-cap { position: static; background: var(--si); padding-block: 4px 0; }
  .foot-links { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

/* ===================== Inner pages ===================== */
/* Page accents follow the module or thin-film color of each page. */
body.pg-db    { --accent: var(--db);  --accent-ink: var(--db-ink); }
body.pg-fg    { --accent: var(--fg);  --accent-ink: var(--fg-ink); }
body.pg-ps    { --accent: var(--ps);  --accent-ink: var(--ps-ink); }
body.pg-suite { --accent: var(--link); --accent-ink: var(--link); }
body.pg-sci   { --accent: var(--sci); --accent-ink: var(--sci-ink); }
body.pg-app   { --accent: var(--app); --accent-ink: var(--app-ink); }
body.pg-ins   { --accent: var(--ins); --accent-ink: var(--ins-ink); }
body.pg-about { --accent: var(--db);  --accent-ink: var(--db-ink); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--accent); }


/* Page hero */
.page-hero { padding-block: 36px 56px; }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 52px; align-items: center; margin-top: 26px; }
.page-hero .kicker { color: var(--accent-ink); }
.page-hero h1 { margin-top: 12px; font-size: clamp(40px, 5.4vw, 70px); line-height: 1; letter-spacing: -0.04em; font-variation-settings: "opsz" 96; }
:lang(zh) .page-hero h1 { font-size: clamp(34px, 4.6vw, 58px); line-height: 1.2; }
.page-hero .hero-actions { margin-top: 28px; }
.page-hero .stats { margin-top: 48px; }
.page-visual { display: grid; gap: 10px; min-width: 0; }
.page-visual svg { display: block; width: 100%; height: auto; }
.page-visual figcaption { font: 12.5px/1.5 var(--f-mono); color: var(--ink-2); }
.page-visual.console-frame { background: var(--con-bg); color: var(--con-ink); border-radius: 12px; padding: 16px 18px 14px; }
.page-visual.console-frame figcaption { color: var(--con-dim); }
.vis-top { display: flex; justify-content: space-between; gap: 12px; font: 500 11px/1.3 var(--f-mono); letter-spacing: .07em; text-transform: uppercase; color: var(--con-dim); }
.vis-read { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--con-grid); }
.vis-read div { padding: 9px 10px 0 0; min-width: 0; }
.vis-read div + div { padding-left: 12px; border-left: 1px solid var(--con-grid); }
.vis-read dt { font: 500 10.5px/1.3 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--con-dim); }
.vis-read dd { font: 600 14px/1.4 var(--f-mono); color: var(--con-ink); overflow-wrap: anywhere; }
.stats.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stats.cols-3 .stat { border-top: 0; margin-top: 0; }
.stats.cols-3 .stat:nth-child(3) { padding-left: 20px; border-left: 1px solid var(--rule); }

/* Document body with an on-this-page index */
.doc { padding-block: 64px 16px; border-top: 1px solid var(--rule); }
.doc-grid { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 56px; align-items: start; }
.doc-index { position: sticky; top: 92px; display: grid; gap: 0; font-size: 14px; line-height: 1.35; }
.doc-index p { font: 500 11.5px/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 10px; }
.doc-index a { display: block; padding: 7px 0 7px 13px; border-left: 2px solid var(--rule); color: var(--ink-2); text-decoration: none; }
.doc-index a:hover { color: var(--ink); }
.doc-index a[aria-current="true"] { color: var(--ink); border-left-color: var(--accent); font-weight: 600; }
.doc-main { display: grid; gap: 0; min-width: 0; }
.doc-section { display: grid; gap: 28px; padding-bottom: 72px; scroll-margin-top: 90px; }
.doc-section .sec-head .kicker { color: var(--accent-ink); }
.doc-section .sec-head p:not(.kicker) { font-size: 17.5px; }

.cards { display: grid; gap: 30px 32px; }
.cards.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { display: grid; gap: 10px; align-content: start; padding-top: 18px; border-top: 1px solid var(--rule); min-width: 0; }
.card h3 { font-size: 21px; line-height: 1.22; letter-spacing: -0.01em; }
:lang(zh) .card h3 { line-height: 1.4; }
.card p { color: var(--ink-2); font-size: 16px; line-height: 1.62; }
.card ul { display: grid; gap: 6px; margin-top: 2px; font-size: 14.5px; line-height: 1.5; }
.card li { position: relative; padding-left: 17px; }
.card li::before { content: ""; position: absolute; left: 0; top: .55em; width: 7px; height: 7px; border-radius: 1.5px; background: var(--accent); }
.card .more { justify-self: start; margin-top: 2px; font-size: 15px; font-weight: 600; color: var(--ink); text-decoration: underline; text-decoration-color: var(--rule); text-decoration-thickness: 2px; text-underline-offset: 4px; }
.card .more:hover { text-decoration-color: var(--accent); }
.doc-section .steps { margin-top: 0; }
.steps > li ul { display: grid; gap: 6px; margin-top: 12px; font-size: 14.5px; line-height: 1.5; }
.steps > li ul li { position: relative; padding-left: 17px; }
.steps > li ul li::before { content: ""; position: absolute; left: 0; top: .55em; width: 7px; height: 7px; border-radius: 1.5px; background: var(--accent); }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 50; padding: 10px 16px; border-radius: 8px; background: var(--ink); color: var(--gas); font-weight: 600; text-decoration: none; }
.skip-link:focus { top: 10px; }
.auth-layers-wrap { display: grid; gap: 14px; }

.table-scroll { overflow-x: auto; }
.table-scroll:focus-visible { outline: 2px solid var(--link); outline-offset: 4px; }
.data-table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
.data-table caption { caption-side: top; text-align: left; padding-bottom: 12px; font: 500 12px/1.4 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.data-table th, .data-table td { text-align: left; vertical-align: top; padding: 12px 18px 12px 0; border-bottom: 1px solid var(--rule); }
.data-table thead th { font: 500 11.5px/1.4 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); border-bottom: 1.5px solid var(--ink); }
.data-table tbody th { font-weight: 600; min-width: 150px; }
.data-table td { color: var(--ink-2); }

.source-block { display: grid; gap: 16px; padding-bottom: 64px; scroll-margin-top: 90px; }
.source-block h2 { font-size: 26px; }
.source-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; border-top: 1px solid var(--rule); }
.source-list a { display: flex; justify-content: space-between; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--rule); color: var(--ink); text-decoration: none; font-size: 15px; line-height: 1.45; }
.source-list a:hover { color: var(--accent-ink); }
.source-list a span[aria-hidden] { font-family: var(--f-mono); color: var(--ink-2); }
.closing .kicker { margin-bottom: 12px; color: var(--accent-ink); }

/* ALD / ALE cycle explorer */
.explorer { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 36px; align-items: start; }
.explorer-copy { display: grid; gap: 14px; align-content: start; }
.tech-switch { display: flex; padding: 3px; border: 1px solid var(--rule); border-radius: 999px; width: max-content; max-width: 100%; }
.tech-switch button { padding: 9px 16px; border: 0; border-radius: 999px; background: none; font: 600 14.5px/1 var(--f-body); color: var(--ink-2); cursor: pointer; }
.tech-switch button span { font-weight: 500; margin-left: 4px; }
.tech-switch button[aria-pressed="true"] { background: var(--ink); color: var(--gas); }
.explorer-copy .tech-name { font: 700 26px/1.15 var(--f-display); letter-spacing: -0.02em; }
.explorer-copy p { color: var(--ink-2); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span { padding: 6px 10px; border-radius: 6px; background: var(--gas-2); font: 500 12.5px/1.2 var(--f-mono); }
.explorer-panel { display: grid; gap: 14px; padding: 18px; border: 1px solid var(--rule); border-radius: 14px; background: var(--surface); min-width: 0; }
.explorer-top { display: flex; justify-content: space-between; gap: 10px; font: 500 11.5px/1.4 var(--f-mono); letter-spacing: .07em; text-transform: uppercase; color: var(--ink-2); }
.explorer-panel svg { display: block; width: 100%; height: auto; border-radius: 8px; background: var(--gas); }
.cyc [data-on] { opacity: 0; transition: opacity .35s ease; }
.cyc [data-on].on { opacity: 1; }
.explorer-step h3 { font-size: 21px; }
.explorer-step p { margin-top: 4px; color: var(--ink-2); font-size: 15.5px; }
.stage-btns { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.stage-btns button { display: grid; gap: 4px; justify-items: start; padding: 9px 10px; border: 1px solid var(--rule); border-radius: 8px; background: var(--gas); cursor: pointer; text-align: left; font: 600 13px/1.25 var(--f-body); color: var(--ink-2); min-width: 0; }
.stage-btns button b { font: 500 11px/1 var(--f-mono); }
.stage-btns button[aria-pressed="true"] { border-color: var(--accent); color: var(--ink); background: var(--surface); box-shadow: inset 0 -3px 0 var(--accent); }
.explorer-note { font: 12px/1.5 var(--f-mono); color: var(--ink-2); }

/* Sign-in and registration */
body.auth-page { min-height: 100vh; display: grid; grid-template-rows: auto 1fr; }
.auth-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.auth-story { position: relative; overflow: hidden; display: grid; align-content: space-between; gap: 40px; padding: 56px max(24px, 6vw) 48px; background: var(--si); color: var(--si-ink); }
.auth-story .kicker { color: var(--si-ink-2); }
.auth-story h1 { margin-top: 14px; font-size: clamp(38px, 4.4vw, 60px); line-height: 1.02; letter-spacing: -0.04em; font-variation-settings: "opsz" 96; }
.auth-story h1 em { display: block; font-style: normal; color: var(--on-dark-fg); }
:lang(zh) .auth-story h1 { line-height: 1.25; }
.auth-story .lead { color: var(--si-ink-2); }
.auth-layers { display: grid; gap: 8px; max-width: 420px; }
.auth-layers li { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 14px; align-items: center; font-size: 15px; font-weight: 600; }
.auth-layers li i { display: block; height: 10px; border-radius: 2px; background: var(--c); }
.auth-panel { display: grid; place-items: center; padding: 56px 24px; }
.access-form-inner { width: min(100%, 420px); display: grid; gap: 12px; }
.access-form-inner .kicker { color: var(--db-ink); }
.access-form-inner h2 { font-size: clamp(30px, 3.2vw, 40px); }
.access-form-description { color: var(--ink-2); }
.access-form { display: grid; gap: 16px; margin-top: 10px; }
.access-field { display: grid; gap: 6px; }
.access-field label { font-size: 14.5px; font-weight: 600; }
.access-field input { width: 100%; padding: 13px 14px; border: 1.5px solid var(--rule); border-radius: 10px; background: var(--surface); font-size: 16px; }
.access-field input:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 4px color-mix(in oklab, var(--link) 22%, transparent); }
.access-field input[aria-invalid="true"], .access-field select[aria-invalid="true"] { border-color: var(--danger); }
.access-field select { width: 100%; padding: 13px 14px; border: 1.5px solid var(--rule); border-radius: 10px; background: var(--surface); color: var(--ink); font-size: 16px; }
.access-field select:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 4px color-mix(in oklab, var(--link) 22%, transparent); }
.access-group { margin-top: 8px; padding-top: 14px; border-top: 1px solid var(--rule); font: 500 11.5px/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.access-hint { font-size: 13px; color: var(--ink-2); }
.access-submit { display: inline-flex; justify-content: center; align-items: center; gap: 10px; min-height: 50px; border: 0; border-radius: 999px; background: var(--ink); color: var(--gas); font: 700 16px/1 var(--f-body); cursor: pointer; }
.access-submit:disabled { opacity: .45; cursor: not-allowed; }
.access-message { min-height: 1.5em; font-size: 14.5px; color: var(--ink-2); }
.access-message.err { color: var(--danger); }
.access-message.ok { color: var(--fg-ink); }
.access-divider { display: flex; align-items: center; gap: 12px; margin-block: 6px; font: 12px/1 var(--f-mono); color: var(--ink-2); }
.access-divider::before, .access-divider::after { content: ""; flex: 1; height: 1px; background: var(--rule); }
.access-switch { font-size: 15px; color: var(--ink-2); }
.access-switch a { font-weight: 600; }
.access-note { font-size: 13.5px; color: var(--ink-2); }
.access-back { font-size: 15px; font-weight: 600; color: var(--ink); text-decoration: none; white-space: nowrap; }

@media (max-width: 1080px) {
  .doc-grid { grid-template-columns: minmax(0, 1fr); }
  .doc-index { display: none; }
}
@media (max-width: 900px) {
  .page-hero-grid, .explorer, .auth-layout { grid-template-columns: minmax(0, 1fr); }
  .cards.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .auth-story { padding-block: 36px; }
}
@media (max-width: 640px) {
  .cards.cols-3, .cards.cols-2, .source-list { grid-template-columns: minmax(0, 1fr); }
  .stats.cols-3 { grid-template-columns: minmax(0, 1fr); }
  .stats.cols-3 .stat, .stats.cols-3 .stat + .stat, .stats.cols-3 .stat:nth-child(3) { padding: 14px 0 0; border-left: 0; border-top: 1px solid var(--rule); margin-top: 14px; }
  .stats.cols-3 .stat:first-child { border-top: 0; margin-top: 0; padding-top: 18px; }
  .stage-btns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vis-read { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .vis-read div:nth-child(3) { display: none; }
  .doc { padding-top: 44px; }
}

/* ===================== Signed-in pages: account and admin ===================== */
.app-shell { padding-block: 32px 80px; }
.app-hero { display: grid; gap: 10px; padding-bottom: 26px; margin-bottom: 28px; border-bottom: 1px solid var(--rule); }
.app-hero .kicker { margin-top: 14px; color: var(--accent-ink); }
.app-hero h1 { font-size: clamp(32px, 4.2vw, 50px); line-height: 1.05; letter-spacing: -0.035em; font-variation-settings: "opsz" 96; }
:lang(zh) .app-hero h1 { line-height: 1.25; letter-spacing: 0; }
.app-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px; font-size: 15px; color: var(--ink-2); }
.link-button { padding: 0; border: 0; background: none; cursor: pointer; font-size: 15px; }
.app-status { color: var(--ink-2); }
.panel { display: grid; gap: 16px; align-content: start; min-width: 0; padding: 22px; border: 1px solid var(--rule); border-radius: 14px; background: var(--surface); }
.panel h2 { font-size: 22px; line-height: 1.2; letter-spacing: -0.01em; }
.panel-note { font-size: 14px; color: var(--ink-2); }
.acct-cols { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.acct-side { display: grid; gap: 24px; min-width: 0; }
.kv-list { display: grid; grid-template-columns: minmax(130px, auto) minmax(0, 1fr); gap: 9px 18px; font-size: 15px; }
.kv-list dt { color: var(--ink-2); }
.kv-list dd { overflow-wrap: anywhere; }
.stack-form { display: grid; gap: 14px; }
.stack-form .btn { justify-self: start; }
.admin-link { grid-template-columns: minmax(0, 1fr) auto; align-items: center; margin-top: 24px; }
.admin-link p { margin-top: 6px; color: var(--ink-2); font-size: 15px; }
.notice { display: grid; gap: 8px; justify-items: start; margin-bottom: 20px; padding: 14px 16px; border: 1px solid var(--rule); border-radius: 10px; background: var(--gas-2); font-size: 15px; }
.notice.warn { border-color: color-mix(in oklab, var(--ps) 55%, var(--rule)); background: color-mix(in oklab, var(--ps) 13%, var(--surface)); }
.notice.ok { border-color: color-mix(in oklab, var(--fg) 55%, var(--rule)); background: color-mix(in oklab, var(--fg) 11%, var(--surface)); }
.notice.err-notice { border-color: var(--danger); color: var(--danger); background: var(--surface); }
.secret { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.secret code { padding: 7px 12px; border: 1px dashed var(--ink-2); border-radius: 6px; background: var(--surface); font: 600 17px/1.3 var(--f-mono); letter-spacing: .02em; user-select: all; overflow-wrap: anywhere; }
.tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 1px solid var(--rule); overflow-x: auto; }
.tabs button { padding: 11px 14px 10px; border: 0; border-bottom: 2px solid transparent; background: none; color: var(--ink-2); font: 600 15px/1.2 var(--f-body); cursor: pointer; white-space: nowrap; }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }
.tabs .count { margin-left: 8px; font: 500 12px/1 var(--f-mono); color: var(--ink-2); }
.admin-panel { display: grid; gap: 18px; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.toolbar input[type="search"] { flex: 1 1 240px; max-width: 380px; min-width: 0; padding: 10px 12px; border: 1.5px solid var(--rule); border-radius: 8px; background: var(--surface); color: var(--ink); font-size: 15px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px 18px; }
/* Hints and the unlimited checkbox must not stretch neighboring input rows. */
.invitation-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; }
.invitation-grid .access-field { align-content: start; min-width: 0; }
.invitation-grid .access-field > input { min-width: 0; }
.invitation-grid .checkbox input { padding: 0; flex-shrink: 0; }
@media (max-width: 760px) {
  .invitation-grid { grid-template-columns: minmax(0, 1fr); }
}
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.checkbox { display: flex; align-items: center; gap: 8px; margin-top: 4px; font-weight: 500 !important; font-size: 14.5px; cursor: pointer; }
.checkbox input { width: 17px; height: 17px; accent-color: var(--ink); }
.access-field input:disabled { opacity: .55; }
.btn-sm { min-height: 34px; padding: 0 13px; font-size: 13.5px; }
.btn-danger { border-color: var(--danger); color: var(--danger); }
.btn-danger:hover, .btn-danger.armed { background: var(--danger); border-color: var(--danger); color: var(--surface); }
.btn:disabled { opacity: .5; cursor: progress; }
.admin-table { min-width: 880px; font-size: 14.5px; }
.admin-table td { vertical-align: middle; }
.admin-table th { white-space: nowrap; }
.admin-table .sub { display: block; margin-top: 2px; color: var(--ink-2); font-size: 13px; }
.admin-table code { font: 500 13.5px/1 var(--f-mono); }
.nowrap { white-space: nowrap; }
.row-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.admin-search { justify-content: flex-start; }
.admin-search input[type="search"] { max-width: none; }
.admin-filters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.admin-filters .access-field { align-content: start; min-width: 0; }
.admin-pagination { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.admin-pagination p { color: var(--ink-2); font-size: 14px; }
.admin-access-controls { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; margin-bottom: 12px; }
.admin-access-controls .access-field { flex: 1 1 200px; }
.admin-danger { border-top: 1px solid var(--rule); padding-top: 16px; margin-top: 22px; }
.admin-confirm-dialog { width: min(520px, calc(100vw - 32px)); }
.admin-confirm-dialog h2 { font-size: 23px; overflow-wrap: anywhere; }
.admin-confirm-dialog p { overflow-wrap: anywhere; }
#profile-edit-form .access-message:empty { display: none; }
#profile-edit-form .form-actions { margin-top: 16px; }
[aria-invalid="true"] { border-color: var(--danger) !important; }
@media (max-width: 640px) { .admin-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.self-chip { margin-left: 8px; }
.admin-user-link { padding: 2px 0; border: 0; background: none; color: var(--link); font: inherit; font-weight: 700; text-align: start; text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 3px; cursor: pointer; }
.admin-user-link:hover { text-decoration-color: currentColor; }
.admin-user-link:focus-visible { outline: 2px solid var(--link); outline-offset: 4px; border-radius: 2px; }
.admin-profile-dialog { width: min(720px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); padding: 0; border: 1px solid var(--rule); border-radius: 16px; background: var(--surface); color: var(--ink); box-shadow: 0 24px 60px rgb(0 0 0 / .25); }
.admin-profile-dialog::backdrop { background: rgb(12 14 17 / .55); }
.admin-profile-inner { display: grid; gap: 16px; padding: 24px; }
.admin-profile-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.admin-profile-head h2 { font-size: 24px; line-height: 1.2; }
.admin-profile-inner > .access-hint { margin: 0; }
.admin-profile-identity { display: flex; align-items: center; gap: 18px; padding: 8px 0 22px; }
.admin-profile-identity > div { min-width: 0; }
.admin-profile-identity h3 { font-size: 25px; line-height: 1.25; overflow-wrap: anywhere; }
.admin-profile-handle { margin: 4px 0 10px; color: var(--ink-2); font: 500 13px/1.5 var(--f-mono); overflow-wrap: anywhere; }
.admin-profile-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.admin-profile-section { padding: 18px 0 2px; border-top: 1px solid var(--rule); }
.admin-profile-section h3 { margin-bottom: 14px; font-size: 17px; }
.admin-profile-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 24px; margin: 0 0 16px; }
.admin-profile-grid dt { margin-bottom: 5px; color: var(--ink-2); font-size: 13px; }
.admin-profile-grid dd { margin: 0; font-size: 15px; overflow-wrap: anywhere; white-space: pre-wrap; }
@media (max-width: 540px) {
  .admin-profile-inner { padding: 18px 16px; }
  .admin-profile-grid { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .admin-profile-identity { align-items: flex-start; gap: 14px; }
  .admin-profile-identity h3 { font-size: 21px; }
}
.chip.tone-ok { background: color-mix(in oklab, var(--fg) 18%, var(--surface)); color: var(--fg-ink); }
.chip.tone-warn { background: color-mix(in oklab, var(--ps) 22%, var(--surface)); color: var(--ps-ink); }
.chip.tone-accent { background: color-mix(in oklab, var(--db) 16%, var(--surface)); color: var(--db-ink); }
.chip.tone-muted { background: var(--gas-2); color: var(--ink-2); }
.empty { padding: 12px 0; color: var(--ink-2); }
@media (max-width: 900px) {
  .acct-cols, .admin-link { grid-template-columns: minmax(0, 1fr); }
}

/* ===================== Signed-in header: avatar and user name ===================== */
.user-chip { display: inline-flex; align-items: center; gap: 9px; max-width: 220px; min-height: 38px; padding: 3px 14px 3px 3px; border: 1px solid var(--rule); border-radius: 999px; color: var(--ink); text-decoration: none; font: 600 14.5px/1 var(--f-body); white-space: nowrap; }
.user-chip:hover { border-color: var(--ink-2); background: var(--gas-2); }
.user-chip:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
.avatar { flex: none; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, var(--db) 0%, var(--fg) 58%, var(--ps) 100%); color: #ffffff; font: 700 14px/1 var(--f-display); text-transform: uppercase; text-shadow: 0 1px 1px rgb(0 0 0 / .18); }
.avatar.has-image { background: var(--gas-2); }
.avatar img { display: block; width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.user-name { overflow: hidden; text-overflow: ellipsis; }
/* Just above the menu breakpoint the header row is tight: the chip shows only the avatar (its
   label still names the account). */
@media (min-width: 1181px) and (max-width: 1279px) {
  .site-header .user-chip { padding: 3px; gap: 0; }
  .site-header .user-name { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .site-header .user-chip .chev { display: none; }
}
@media (max-width: 640px) {
  .user-chip { padding: 3px; gap: 0; }
  .user-name { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
}

/* ===================== Precursor search (signed-in) ===================== */
.ps-hero { gap: 12px; }
.ps-lead { max-width: 46em; font-size: 18px; line-height: 1.55; color: var(--ink-2); }
.ps-search { margin-top: 10px; }
.ps-search select { flex: none; max-width: 40%; padding: 0 38px 0 18px; border: 0; border-right: 1.5px solid var(--rule); border-radius: 0; color: var(--ink); font: 600 15px/1.2 var(--f-body); cursor: pointer; appearance: none; -webkit-appearance: none;
  background: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%) no-repeat calc(100% - 20px) 50% / 6px 6px,
              linear-gradient(135deg, var(--ink-2) 50%, transparent 50%) no-repeat calc(100% - 14px) 50% / 6px 6px transparent; }
.ps-search select:focus-visible { outline: 2px solid var(--link); outline-offset: -4px; }
.ps-search select option { color: var(--ink); background: var(--surface); }
.ps-search input::-webkit-search-cancel-button { cursor: pointer; }
.ps-hero .try { margin-top: 2px; }

/* Result list */
.ps-results[aria-busy="true"] .ps-table tbody { opacity: .5; transition: opacity .12s; }
.ps-list-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; padding-bottom: 6px; }
.ps-list-head h2 { font-size: 24px; line-height: 1.2; letter-spacing: -0.015em; overflow-wrap: anywhere; }
.ps-status { font: 500 13px/1.4 var(--f-mono); color: var(--ink-2); }
.ps-note { margin: 4px 0 10px; padding: 9px 12px; border-left: 3px solid var(--ps); background: color-mix(in oklab, var(--ps) 10%, var(--surface)); font-size: 14px; color: var(--ink-2); }
.ps-table { min-width: 720px; }
.ps-table thead th { padding-top: 14px; }
.ps-table tbody tr { cursor: pointer; }
.ps-table tbody td { color: var(--ink); vertical-align: top; }
.ps-table tbody tr:hover td { background: color-mix(in oklab, var(--db) 5%, transparent); }
.ps-table tbody tr.is-last td { background: color-mix(in oklab, var(--db) 9%, transparent); }
.ps-table tbody tr.is-last td:first-child { box-shadow: inset 3px 0 0 var(--db); }
.ps-table td:first-child { padding-left: 12px; width: 26%; }
.ps-name button { padding: 0; border: 0; background: none; color: var(--ink); font: 700 17px/1.3 var(--f-display); letter-spacing: -0.005em; text-align: left; cursor: pointer; }
.ps-name button:hover { text-decoration: underline; text-decoration-color: var(--db); text-decoration-thickness: 2px; text-underline-offset: 4px; }
.ps-name button:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; border-radius: 3px; }
.ps-name button:disabled { color: var(--ink-2); cursor: default; text-decoration: none; }
.ps-name small, .ps-names small { display: block; margin-top: 3px; color: var(--ink-2); font-size: 13.5px; line-height: 1.45; }
.ps-names { font-size: 15px; }
.ps-dim { color: var(--ink-2); }
.ps-el { margin-left: 6px; vertical-align: 2px; }
.ps-hint { display: inline-block; margin-top: 6px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ps-cas { font: 500 14px/1.5 var(--f-mono); white-space: nowrap; }
.ps-formula { white-space: nowrap; }
.ps-table mark, .ps-record mark { padding: 0 1px; border-radius: 3px; background: color-mix(in oklab, var(--db) 24%, transparent); color: inherit; }
.ps-empty { padding: 26px 0 !important; }
.ps-empty strong { display: block; color: var(--ink); }
.ps-empty span { display: block; margin-top: 4px; }
.pager { display: flex; align-items: center; justify-content: flex-end; gap: 14px; margin-top: 16px; font: 500 13px/1 var(--f-mono); color: var(--ink-2); }
.pager .btn:disabled { cursor: default; }

/* Record view: one precursor across the full width */
.ps-record { display: grid; gap: 26px; }
.ps-record:focus { outline: none; }
.ps-back { justify-self: start; display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px 8px 10px; border: 1px solid var(--rule); border-radius: 999px; color: var(--ink); background: var(--surface); text-decoration: none; font-size: 14.5px; font-weight: 600; }
.ps-back:hover { border-color: var(--ink-2); }
.ps-back:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
#ps-record { display: grid; gap: 28px; min-width: 0; }
.ps-r-head { display: grid; gap: 8px; padding-bottom: 24px; border-bottom: 1px solid var(--rule); }
.ps-r-head .kicker { color: var(--db-ink); }
.ps-r-head h1 { font-size: clamp(38px, 5vw, 60px); line-height: 1; letter-spacing: -0.04em; font-variation-settings: "opsz" 96; overflow-wrap: anywhere; }
.ps-r-names { font-size: 19px; color: var(--ink-2); }
.ps-d-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.ps-r-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 24px; align-items: start; }
.ps-r-facts { display: grid; gap: 24px; min-width: 0; }
.ps-r-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; }
.ps-r-bar h2, .ps-r-facts h2 { font-size: 22px; line-height: 1.2; letter-spacing: -0.01em; }
.ps-r-facts .kv-list { grid-template-columns: minmax(140px, auto) minmax(0, 1fr); }
.ps-code { font: 500 13.5px/1.45 var(--f-mono); overflow-wrap: anywhere; user-select: all; }
.seg { display: inline-flex; padding: 3px; border: 1px solid var(--rule); border-radius: 999px; background: var(--gas); }
.seg button { min-width: 52px; min-height: 32px; padding: 0 14px; border: 0; border-radius: 999px; background: none; color: var(--ink-2); font: 600 13.5px/1 var(--f-mono); cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--gas); }
.seg button:disabled { opacity: .4; cursor: default; }
.seg button:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
.ps-stage { position: relative; min-height: 360px; }
.ps-2d { display: grid; place-items: center; height: 360px; padding: 16px; border: 1px solid var(--rule); border-radius: 12px; background: #ffffff; }
.ps-2d img { display: block; max-width: 100%; max-height: 100%; width: auto; height: auto; }
.ps-2d .panel-note { color: #4a535c; }
.ps-viewer { position: relative; height: 360px; border: 1px solid var(--rule); border-radius: 12px; overflow: hidden; background: var(--surface); }
.ps-stage-msg, .ps-viewer > .panel-note { position: absolute; inset: 0; display: grid; place-items: center; padding: 16px; text-align: center; }

/* Process records: cards in a responsive grid */
.ps-r-records { display: grid; gap: 14px; padding-top: 6px; }
.ps-records { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr)); gap: 14px; padding: 0; list-style: none; }
.ps-records.is-loading { opacity: .5; }
.ps-rec { display: grid; align-content: start; gap: 5px; min-width: 0; padding: 16px 18px; border: 1px solid var(--rule); border-radius: 12px; background: var(--surface); }
.ps-rec h3 { font: 600 16px/1.35 var(--f-body); overflow-wrap: anywhere; }
.ps-rec h3 span { font-weight: 500; color: var(--ink-2); }
.ps-rec-meta { font: 500 12.5px/1.45 var(--f-mono); color: var(--ink-2); }
.ps-rec-paper { font-size: 14px; line-height: 1.45; color: var(--ink-2); }
.ps-rec-paper a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 3px; }
.ps-rec-paper a:hover { text-decoration-color: var(--db); }
.ps-rec-src { display: block; margin-top: 2px; font-style: italic; }
.ps-rec details { margin-top: 4px; }
.ps-rec summary { width: fit-content; font-size: 13.5px; font-weight: 600; color: var(--db-ink); cursor: pointer; }
.ps-rec details .kv-list { grid-template-columns: minmax(104px, auto) minmax(0, 1fr); margin-top: 10px; font-size: 13.5px; }
.ps-abstract { display: block; max-height: 11.5em; overflow-y: auto; line-height: 1.55; }

@media (max-width: 960px) {
  .ps-r-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .ps-search { flex-wrap: wrap; }
  .ps-search select { flex: 1 0 100%; max-width: none; min-height: 46px; border-right: 0; border-bottom: 1.5px solid var(--rule); }
  .ps-search input { flex: 1 1 0; }
  .ps-lead { font-size: 16.5px; }
  /* Rows become stacked entries: name first, then the other columns as a wrapped line. */
  .ps-table { min-width: 0; }
  .ps-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .ps-table tbody, .ps-table tbody td { display: block; }
  .ps-table tbody tr { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 16px; padding: 12px 10px 13px 12px; border-bottom: 1px solid var(--rule); }
  .ps-table tbody td { width: auto !important; padding: 0 !important; border: 0; background: none !important; box-shadow: none !important; }
  .ps-table tbody td.ps-name, .ps-table tbody td.ps-names { flex: 1 0 100%; }
  .ps-table tbody tr:hover { background: color-mix(in oklab, var(--db) 5%, transparent); }
  .ps-table tbody tr.is-last { background: color-mix(in oklab, var(--db) 9%, transparent); box-shadow: inset 3px 0 0 var(--db); }
  .ps-names .ps-dim { display: none; }
  .ps-cas { font-size: 13px; }
  .ps-formula { color: var(--ink-2) !important; font-size: 14.5px; }
  .ps-r-names { font-size: 16.5px; }
  .ps-stage, .ps-2d, .ps-viewer { height: 300px; min-height: 300px; }
  .ps-r-facts .kv-list { grid-template-columns: minmax(110px, auto) minmax(0, 1fr); font-size: 14.5px; }
}

/* ===================== Signed-in header menu ===================== */
.user-menu { position: relative; }
button.user-chip { background: transparent; cursor: pointer; }
.user-chip .chev { width: 7px; height: 7px; margin: -3px 2px 0 1px; border-right: 1.5px solid var(--ink-2); border-bottom: 1.5px solid var(--ink-2); transform: rotate(45deg); }
.user-chip[aria-expanded="true"] { border-color: var(--ink-2); background: var(--gas-2); }
.user-pop { position: absolute; right: 0; top: calc(100% + 8px); z-index: 40; display: grid; width: max-content; min-width: 220px; max-width: min(300px, calc(100vw - 32px)); padding: 6px; border: 1px solid var(--rule); border-radius: 12px; background: var(--surface); box-shadow: 0 14px 34px rgb(0 0 0 / .14); }
.user-pop-who { display: grid; gap: 3px; padding: 10px 12px 12px; margin-bottom: 4px; border-bottom: 1px solid var(--rule); font-size: 15px; line-height: 1.3; }
.user-pop-who strong { font-weight: 700; overflow-wrap: anywhere; }
.user-pop-who span { font: 500 11px/1.3 var(--f-mono); letter-spacing: .07em; text-transform: uppercase; color: var(--db-ink); }
.user-pop a, .user-pop-out { display: block; width: 100%; padding: 9px 12px; border: 0; border-radius: 8px; background: none; color: var(--ink); font: 500 14.5px/1.3 var(--f-body); text-align: left; text-decoration: none; cursor: pointer; }
.user-pop a:hover, .user-pop-out:hover, .user-pop a:focus-visible, .user-pop-out:focus-visible { background: var(--gas-2); outline: none; }
.user-pop-out { margin-top: 4px; border-top: 1px solid var(--rule); border-radius: 0 0 8px 8px; color: var(--danger); }
@media (max-width: 640px) {
  .user-chip .chev { display: none; }
}

/* ===================== Section sub-menu ===================== */
/* The top menu marks the section with an underline; the sub-menu marks the page within it with a
   tinted pill and a dot in the section's colour (--c, with --ci for text). */
.subnav { border-bottom: 1px solid var(--rule); background: var(--surface); }
.subnav-inner { display: flex; align-items: center; gap: 4px; padding-block: 7px; overflow-x: auto; scrollbar-width: none; }
.subnav-inner::-webkit-scrollbar { display: none; }
.subnav a, .subnav-soon { flex: none; display: inline-flex; align-items: center; gap: 8px; min-height: 34px; padding: 0 13px; border-radius: 999px; color: var(--ink-2); font: 600 14px/1.2 var(--f-body); text-decoration: none; white-space: nowrap; }
.subnav-inner > :first-child { margin-left: -13px; }
.subnav a:hover { background: var(--gas-2); color: var(--ink); }
.subnav a[aria-current] { background: color-mix(in oklab, var(--c, var(--db)) 14%, var(--surface)); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--c, var(--db)) 38%, transparent); color: var(--ci, var(--ink)); }
.subnav a[aria-current]::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--c, var(--db)); }
.subnav a:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
.subnav-soon { cursor: default; }
.subnav-soon small { padding: 3px 6px; border-radius: 4px; background: var(--gas-2); font: 500 10.5px/1 var(--f-mono); letter-spacing: .05em; text-transform: uppercase; }

/* ===================== Workspace home ===================== */
.ws-hero { gap: 12px; }
.ws-search { margin-top: 10px; max-width: 780px; }
.ws-recent a { padding: 7px 11px; border: 1px solid var(--rule); border-radius: 6px; background: var(--surface); color: var(--ink); font: 500 13px/1 var(--f-mono); text-decoration: none; }
.ws-recent a:hover { border-color: var(--ink); }
.try .link-button { margin-left: 2px; padding: 7px 4px; border: 0; background: none; color: var(--ink-2); font: 600 13.5px/1 var(--f-body); text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 3px; }
.ws-section { display: grid; gap: 16px; }
.ws-section h2 { font-size: 24px; line-height: 1.2; letter-spacing: -0.015em; }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 16px; }
.tool-card { position: relative; display: grid; grid-template-rows: auto auto 1fr auto; gap: 10px; min-height: 190px; padding: 24px 22px 20px; border: 1px solid var(--rule); border-radius: 14px; background: var(--surface); color: var(--ink); text-decoration: none; overflow: hidden; }
.tool-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--c, var(--db)); }
a.tool-card:hover { border-color: var(--ink-2); }
a.tool-card:hover .tool-go { text-decoration-color: var(--c, var(--db)); }
a.tool-card:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
.tool-card .chip { justify-self: start; }
.tool-card h3 { font-size: 21px; line-height: 1.2; letter-spacing: -0.01em; }
.tool-card p { color: var(--ink-2); font-size: 15px; line-height: 1.55; }
.tool-go { font-size: 14.5px; font-weight: 600; text-decoration: underline; text-decoration-color: var(--rule); text-decoration-thickness: 2px; text-underline-offset: 4px; }
.tool-card.is-soon { background: transparent; border-style: dashed; }
.tool-card.is-soon::before { opacity: .45; }
.tool-card.is-soon h3 { color: var(--ink-2); }

/* ===================== Account page ===================== */
.acct-head { grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 22px; margin-bottom: 24px; padding: 24px; }
.acct-avatar { position: relative; padding: 0; border: 0; border-radius: 50%; background: none; cursor: pointer; }
.acct-avatar .avatar { box-shadow: 0 0 0 1px var(--rule); }
.acct-avatar:hover .avatar { box-shadow: 0 0 0 3px var(--fg); }
.acct-avatar:focus-visible { outline: 2px solid var(--link); outline-offset: 4px; }
.acct-avatar-edit { position: absolute; left: 50%; bottom: -6px; transform: translateX(-50%); padding: 4px 10px; border: 2px solid var(--surface); border-radius: 999px; background: var(--ink); color: var(--gas); font: 600 11.5px/1 var(--f-body); white-space: nowrap; }
.avatar-xl { width: 88px; height: 88px; font-size: 38px; }
.acct-id { display: grid; gap: 4px; min-width: 0; }
.acct-id h2 { font-size: 27px; line-height: 1.15; letter-spacing: -0.02em; overflow-wrap: anywhere; }
.acct-handle { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font: 500 14px/1.4 var(--f-mono); color: var(--ink-2); }
.acct-meta { font-size: 14px; color: var(--ink-2); }
.acct-cols .form-grid { align-items: start; }
@media (max-width: 640px) {
  .acct-head { grid-template-columns: auto minmax(0, 1fr); gap: 16px 18px; padding: 20px; }
  .acct-head > .btn { grid-column: 1 / -1; justify-self: start; }
  .avatar-xl { width: 72px; height: 72px; font-size: 30px; }
  .acct-id h2 { font-size: 22px; }
}

/* Avatar picker */
.avatar-dialog { width: min(580px, calc(100vw - 32px)); max-height: calc(100vh - 32px); padding: 0; border: 1px solid var(--rule); border-radius: 16px; background: var(--surface); color: var(--ink); box-shadow: 0 24px 60px rgb(0 0 0 / .25); }
.avatar-dialog::backdrop { background: rgb(12 14 17 / .55); }
.avatar-dialog-inner { display: grid; gap: 14px; padding: 22px 24px 20px; }
.avatar-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.avatar-dialog-head h2 { font-size: 22px; line-height: 1.2; letter-spacing: -0.01em; }
.avatar-close { display: grid; place-items: center; width: 36px; height: 36px; margin-right: -8px; padding: 0; border: 0; border-radius: 50%; background: none; color: var(--ink-2); font-size: 26px; line-height: 1; cursor: pointer; }
.avatar-close:hover { background: var(--gas-2); color: var(--ink); }
.avatar-preview-row { display: flex; align-items: center; gap: 16px; padding-bottom: 4px; }
.avatar-sub { margin-top: 4px; font: 600 12px/1.3 var(--f-mono); letter-spacing: .07em; text-transform: uppercase; color: var(--ink-2); }
.avatar-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.avatar-option { aspect-ratio: 1; padding: 3px; border: 2px solid transparent; border-radius: 50%; background: none; cursor: pointer; }
.avatar-option img { display: block; width: 100%; height: 100%; border-radius: 50%; }
.avatar-option:hover { border-color: var(--rule); }
.avatar-option[aria-checked="true"] { border-color: var(--link); }
.avatar-option:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
.avatar-upload { display: grid; gap: 12px; justify-items: start; }
.avatar-upload > label.btn { cursor: pointer; }
.avatar-crop { display: grid; gap: 10px; justify-items: start; }
.avatar-crop canvas { width: 240px; height: 240px; max-width: 100%; border-radius: 12px; background: var(--gas-2); cursor: grab; touch-action: none; }
.avatar-crop canvas:active { cursor: grabbing; }
.avatar-zoom { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-2); }
.avatar-zoom input { width: 180px; accent-color: var(--link); }
.avatar-dialog-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding-top: 12px; border-top: 1px solid var(--rule); }
.avatar-dialog-spacer { flex: 1; }
#avatar-remove { color: var(--danger); font-size: 14.5px; }
@media (max-width: 640px) {
  .avatar-dialog-inner { padding: 18px 16px 16px; }
  .avatar-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Module pages: the desktop-app modules the sub-function bar points to */
.mod-section { padding-block: 8px 72px; }
.mod-section .sec-head { margin-bottom: 26px; }
.mod-card:target { border-color: var(--c); box-shadow: 0 0 0 3px color-mix(in oklab, var(--c) 28%, transparent); }

/* Phones hide the header's sign-in and workspace buttons; the menu repeats them */
@media (max-width: 640px) {
  .site-nav .nav-actions { display: flex; flex-wrap: wrap; gap: 10px; padding-top: 18px; }
  .site-nav .nav-actions .btn { min-height: 46px; padding: 0 20px; border: 1.5px solid var(--ink); color: var(--ink); font-size: 15.5px; }
  .site-nav .nav-actions .btn-solid { color: var(--gas); }
}