/* youdaheDB — shared design tokens + chrome. No build step; every page links this. */
:root{
  --bg:#000; --t0:#fff; --t1:rgba(255,255,255,.92); --t2:rgba(255,255,255,.50);
  --t3:rgba(255,255,255,.30); --t4:rgba(255,255,255,.18);
  --line:rgba(255,255,255,.08); --line-soft:rgba(255,255,255,.06);
  --fill:rgba(255,255,255,.03); --fill-2:rgba(255,255,255,.06);

  /* status — fixed, never themed; always shipped with an icon + label */
  --st-good:#0ca30c; --st-warn:#fab219; --st-serious:#ec835a; --st-crit:#d03b3b;
  /* categorical — validated all-pairs on #000 (worst CVD ΔE 9.4, normal 20.9) */
  --cat-1:#3987e5; --cat-2:#d95926; --cat-3:#199e70;
  /* ordinal ramp L0..L3 — single hue, monotone lightness */
  --lv-0:#86b6ef; --lv-1:#5598e7; --lv-2:#2a78d6; --lv-3:#1c5cab;
  --grid:rgba(255,255,255,.07); --axis:rgba(255,255,255,.16);

  /* chrome bits that used to be hardcoded — these are what broke light mode */
  --nav-bg:rgba(0,0,0,.82); --sel:rgba(255,255,255,.15);
  /* announcement slab — inverted against the page, like .btn.primary */
  --ann-bg:#fff; --ann-fg:#000; --ann-dim:rgba(0,0,0,.62); --ann-line:rgba(0,0,0,.20);
  --thumb:rgba(255,255,255,.10); --track:rgba(255,255,255,.07);
  --pop:#0a0a0a;
  /* canvas surface — JS reads these instead of guessing */
  --cv-edge:rgba(255,255,255,.085); --cv-ring:#000;
  --cv-node:rgba(255,255,255,.30); --cv-node-seen:rgba(255,255,255,.55);
  --cv-text:rgba(255,255,255,.90); --cv-text-dim:rgba(255,255,255,.55);
  --cv-sub:rgba(255,255,255,.26); --cv-on-glow:#fff;

  --sans:"Geist",ui-sans-serif,-apple-system,"SF Pro Text","Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,Monaco,"Roboto Mono",monospace;
  --maxw:1240px;
}
*{box-sizing:border-box;border-radius:0}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--t1);font-family:var(--sans);
  font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0;outline:0}
::selection{background:var(--sel)}
code{font-family:var(--mono);font-size:.92em}
.mono{font-family:var(--mono)}
.label{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--t3)}

/* ── site nav ───────────────────────────────────────── */
.topnav{position:sticky;top:0;z-index:40;background:var(--nav-bg);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topnav .in{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;
  gap:26px;padding:0 26px;height:56px}
.logo{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12.5px;
  font-weight:500;color:var(--t0);letter-spacing:.02em;white-space:nowrap}
.logo .mark{width:22px;height:22px;display:grid;place-items:center;color:var(--t0)}
.logo .mark svg{width:100%;height:100%;display:block}
.logo .word{font-family:var(--mono);font-size:12px;color:var(--t0);letter-spacing:.02em}
.topnav nav{display:flex;gap:22px;font-size:13px}
.topnav nav a{color:var(--t2);transition:color .13s}
.topnav nav a:hover{color:var(--t1)}
.topnav nav a.on{color:var(--t0)}
.topnav .right{margin-left:auto;display:flex;align-items:center;gap:10px}

.btn{padding:7px 15px;border:1px solid var(--line);font-size:13px;color:var(--t2);
  cursor:pointer;transition:.13s;display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.btn:hover{color:var(--t0);background:var(--fill);border-color:var(--t4)}
.btn.primary{background:var(--t0);color:var(--bg);border-color:var(--t0)}
.btn.primary:hover{opacity:.86}

/* ── layout ─────────────────────────────────────────── */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.sec{padding:64px 0;border-bottom:1px solid var(--line-soft)}
h1,h2,h3{font-weight:400;letter-spacing:-.025em;margin:0}
h1{font-size:44px;line-height:1.1}
h2{font-size:26px;line-height:1.2}
h3{font-size:16px}
p{margin:0 0 14px}
.lede{color:var(--t2);max-width:70ch}
.lede b{color:var(--t1);font-weight:500}

/* ── grid cells ─────────────────────────────────────── */
.grid{display:grid;border-top:1px solid var(--line-soft);border-left:1px solid var(--line-soft)}
.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(195px,1fr))}
.cell{border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  padding:20px 22px 22px;position:relative}
.cell::after{content:"+";position:absolute;right:-5px;bottom:-8px;color:var(--t4);font-size:11px;line-height:1}
.cell .n{font-family:var(--mono);font-size:10px;color:var(--t4);letter-spacing:.1em}
.cell h3{margin:11px 0 7px;color:var(--t1)}
.cell p{color:var(--t2);font-size:13px;margin:0}
.cell .v{margin-top:7px;font-family:var(--mono);font-size:25px;letter-spacing:-.02em;color:var(--t0)}
.cell .v small{font-size:11.5px;color:var(--t3);margin-left:5px;letter-spacing:0}
.cell .foot{margin-top:10px;font-family:var(--mono);font-size:10px;color:var(--t4);
  display:flex;justify-content:space-between;gap:8px}

/* ── code ───────────────────────────────────────────── */
.code{border:1px solid var(--line);background:var(--fill);font-family:var(--mono);
  font-size:12.5px;line-height:1.75;overflow-x:auto}
.code .bar{display:flex;align-items:center;gap:10px;padding:8px 13px;
  border-bottom:1px solid var(--line-soft);color:var(--t3);font-size:10px;
  letter-spacing:.13em;text-transform:uppercase}
.code .bar .copy{margin-left:auto;cursor:pointer;text-transform:none;letter-spacing:0;font-size:11px}
.code .bar .copy:hover{color:var(--t1)}
.code pre{margin:0;padding:15px 16px;white-space:pre;color:var(--t2)}
.code .c{color:var(--t4)}          /* comment  */
.code .k{color:var(--cat-1)}       /* keyword  */
.code .s{color:var(--st-good)}     /* string   */
.code .f{color:var(--t0)}          /* emphasis */

/* ── tables ─────────────────────────────────────────── */
table{width:100%;border-collapse:collapse;table-layout:fixed}
th{text-align:left;padding:9px 13px;font-family:var(--mono);font-size:10px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--t3);font-weight:400;
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);white-space:nowrap}
td{padding:10px 13px;border-bottom:1px solid var(--line-soft);font-family:var(--mono);
  font-size:12px;color:var(--t2);overflow:hidden;text-overflow:ellipsis}
tr:hover td{background:var(--fill)}
td.k{color:var(--t0)}
.pill{font-family:var(--mono);font-size:10px;padding:2px 7px;border:1px solid var(--line);
  color:var(--t3);white-space:nowrap;display:inline-block}
.stat-ico{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px}
.stat-ico i{width:7px;height:7px;flex:0 0 7px;font-style:normal}
.s-good{color:var(--st-good)} .s-good i{background:var(--st-good)}
.s-warn{color:var(--st-warn)} .s-warn i{background:var(--st-warn)}
.s-crit{color:var(--st-crit)} .s-crit i{background:var(--st-crit)}
.s-idle{color:var(--t3)}      .s-idle i{background:var(--t4)}

.notice{border:1px solid var(--line);border-left:2px solid var(--st-warn);
  padding:12px 16px;color:var(--t2);font-size:13px;background:var(--fill)}
.notice b{color:var(--t1);font-weight:500}
.notice a{color:var(--t1);border-bottom:1px solid var(--t4)}

/* ── footer ─────────────────────────────────────────── */
.foot{padding:34px 0 46px;color:var(--t3);font-size:12.5px}
.foot .in{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.foot a:hover{color:var(--t1)}
.foot .sep{color:var(--t4)}

@media (max-width:840px){
  h1{font-size:31px} h2{font-size:21px}
  .topnav nav{display:none}
  .sec{padding:44px 0}
}

/* Light theme — every token above gets a counterpart, or light mode half-applies. */
:root.light, body.light{
  --bg:#fbfbfa; --t0:#08090a; --t1:rgba(8,9,10,.88); --t2:rgba(8,9,10,.56);
  --t3:rgba(8,9,10,.36); --t4:rgba(8,9,10,.18);
  --line:rgba(8,9,10,.11); --line-soft:rgba(8,9,10,.08);
  --fill:rgba(8,9,10,.025); --fill-2:rgba(8,9,10,.05);

  --nav-bg:rgba(251,251,250,.82); --sel:rgba(8,9,10,.12);
  --ann-bg:#08090a; --ann-fg:#fbfbfa; --ann-dim:rgba(251,251,250,.64); --ann-line:rgba(251,251,250,.24);
  --thumb:rgba(8,9,10,.16); --track:rgba(8,9,10,.06);
  --pop:#ffffff;

  --cat-1:#1f6fd0; --cat-2:#c04a1c; --cat-3:#0f7d56;
  --lv-0:#9cc2f0; --lv-1:#5d9ae4; --lv-2:#2a6fc4; --lv-3:#1b4a8a;
  --grid:rgba(8,9,10,.07); --axis:rgba(8,9,10,.18);

  --cv-edge:rgba(8,9,10,.10); --cv-ring:#fbfbfa;
  --cv-node:rgba(8,9,10,.28); --cv-node-seen:rgba(8,9,10,.55);
  --cv-text:rgba(8,9,10,.88); --cv-text-dim:rgba(8,9,10,.5);
  --cv-sub:rgba(8,9,10,.34); --cv-on-glow:#08090a;
}

/* Theme toggle button small adjustments */
#theme-toggle{padding:6px 10px;font-size:12px}

/* Smooth transitions for theme-aware properties */
body,.topnav,.cell,.code,.btn,.pill,td,th,.notice{
  transition:background-color .18s ease,color .18s ease,border-color .18s ease}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* ── reading progress ───────────────────────────────────── */
.readbar{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;pointer-events:none}
.readbar i{display:block;height:100%;width:100%;background:var(--t0);
  transform:scaleX(0);transform-origin:0 50%;transition:transform .08s linear}
.readpct{font-family:var(--mono);font-size:10px;color:var(--t4);letter-spacing:.1em}

/* ── node tooltip on the diagrams ───────────────────────── */
.cvtip{position:fixed;z-index:70;pointer-events:none;max-width:250px;
  background:var(--pop);border:1px solid var(--line);padding:8px 11px;
  font-family:var(--mono);font-size:11px;line-height:1.55;color:var(--t1);
  opacity:0;transition:opacity .12s;box-shadow:0 8px 28px rgba(0,0,0,.28)}
.cvtip.on{opacity:1}

/* ── command palette ────────────────────────────────────── */
kbd{font-family:var(--mono);font-size:10px;border:1px solid var(--line);
  padding:1px 5px;color:var(--t3);margin-right:3px}
.pal{position:fixed;inset:0;z-index:90;display:none;justify-content:center;
  align-items:flex-start;padding-top:14vh;background:rgba(0,0,0,.45);backdrop-filter:blur(3px)}
:root.light .pal{background:rgba(8,9,10,.25)}
.pal.on{display:flex}
.pal-box{width:min(560px,92vw);background:var(--pop);border:1px solid var(--line);
  box-shadow:0 26px 70px rgba(0,0,0,.42)}
.pal-box input{width:100%;padding:15px 17px;font-size:14px;color:var(--t0);
  border-bottom:1px solid var(--line-soft);background:none}
.pal-box input::placeholder{color:var(--t4)}
.pal-list{max-height:320px;overflow-y:auto}
.pal-row{display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 17px;cursor:pointer;font-size:13px;color:var(--t2)}
.pal-row.on{background:var(--fill-2);color:var(--t0)}
.pal-hint{font-family:var(--mono);font-size:10px;color:var(--t4);white-space:nowrap}
.pal-empty{padding:18px 17px;font-family:var(--mono);font-size:11.5px;color:var(--t4)}
.pal-foot{display:flex;gap:16px;padding:9px 17px;border-top:1px solid var(--line-soft);
  font-family:var(--mono);font-size:10px;color:var(--t4)}
.kbd-btn{font-family:var(--mono);font-size:11px}

/* ── reveal on scroll ───────────────────────────────────── */
.rv{opacity:0;transform:translateY(8px)}
.rv.in{opacity:1;transform:none;transition:opacity .45s ease,transform .45s ease}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ── progressive disclosure ─────────────────────────────────
   Plain heading, one plain sentence, then the real detail behind a
   summary — so the page can be skimmed or read properly. */
.more{margin-top:18px;border-top:1px solid var(--line-soft);max-width:78ch}
.more>summary{cursor:pointer;list-style:none;padding:12px 0;font-family:var(--mono);
  font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--t3);
  display:flex;align-items:center;gap:9px;transition:color .13s}
.more>summary::-webkit-details-marker{display:none}
.more>summary::after{content:"+";font-size:13px;line-height:1}
.more[open]>summary::after{content:"\2212"}
.more>summary:hover{color:var(--t1)}
.more-in{padding:2px 0 18px;color:var(--t2);font-size:13px;line-height:1.75}
.more-in p{margin:0 0 12px}
.more-in p:last-child{margin:0}
.more-in b{color:var(--t1);font-weight:500}
.more-in a{color:var(--t1);border-bottom:1px solid var(--t4)}

/* the opening line of a section: bigger, plainer, no jargon */
.lede.plain{font-size:16.5px;line-height:1.6;color:var(--t1);max-width:62ch}
/* a demoted spec strip — keywords kept, but out of the reading path */
.specs{margin-top:16px;font-family:var(--mono);font-size:11px;color:var(--t4);
  letter-spacing:.04em}
.specs span{white-space:nowrap}
.specs i{font-style:normal;margin:0 8px;color:var(--t4);opacity:.6}

/* a disclosure nested inside a small note */
.more.tight{margin-top:11px;max-width:none}
.more.tight>summary{padding:9px 0;font-size:10px}
.more.tight .more-in{font-size:12px;padding-bottom:4px}

/* an intro that leads straight into a diagram: no heavy bottom rule */
.intro-sec{padding-bottom:26px;border-bottom:0}

.cue{margin:10px 0 0;font-family:var(--mono);font-size:11.5px;color:var(--t3)}
.cue::before{content:"\2193";margin-right:8px;color:var(--t4)}

/* ── media index: own writing left, everything else right ── */
.mhead{padding:64px 0 30px;border-bottom:1px solid var(--line-soft)}
.mhead h1{font-size:40px;letter-spacing:-.03em;margin-bottom:14px}
.mhead .lede{font-size:16.5px;color:var(--t2);max-width:56ch}
.mcols{display:grid;grid-template-columns:minmax(0,1fr) 252px;gap:58px;
  padding-bottom:80px;align-items:start}
.mside{position:sticky;top:86px;padding-top:30px}
.mside .blk{margin-bottom:34px}
.mside .blk > .label{padding-bottom:11px;border-bottom:1px solid var(--line-soft);
  display:block;margin-bottom:15px}

.mfilter{display:flex;gap:18px;flex-wrap:wrap;padding:30px 0 4px}
.mf{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--t4);
  cursor:pointer;padding:0;border:0;background:none;transition:color .13s}
.mf:hover{color:var(--t2)}
.mf.on{color:var(--t0)}
.mlist{padding:10px 0 0}
.post{display:block;padding:26px 0;border-top:1px solid var(--line-soft)}
.post .meta{font-family:var(--mono);font-size:10.5px;color:var(--t4);letter-spacing:.11em;
  text-transform:uppercase}
.post h2{font-size:22px;line-height:1.28;margin:9px 0 8px;letter-spacing:-.018em}
.post h2 a{transition:opacity .13s}
.post h2 a:hover{opacity:.6}
.post p{color:var(--t2);font-size:14px;line-height:1.66;margin:0;max-width:64ch}
.post.hide{display:none}

/* external coverage, in the right rail */
.ext-item{display:block;padding:0 0 18px;margin-bottom:18px;
  border-bottom:1px solid var(--line-soft)}
.ext-item:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.ext-item .pub{font-family:var(--mono);font-size:10px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--t3)}
.ext-item .t{font-size:14.5px;line-height:1.4;color:var(--t1);margin:7px 0 7px;
  letter-spacing:-.01em;transition:opacity .13s}
.ext-item:hover .t{opacity:.62}
.ext-item p{font-size:12.5px;line-height:1.62;color:var(--t3);margin:0}
.ext-item .go{display:inline-block;margin-top:9px;font-family:var(--mono);font-size:10.5px;
  color:var(--t4)}
.ext-item:hover .go{color:var(--t2)}

.msub p{color:var(--t3);font-size:12.5px;line-height:1.6;margin:0 0 14px}
.mrow{display:flex;flex-direction:column;gap:11px}
.mrow input{padding:8px 0;border:0;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--t0);background:none;width:100%}
.mrow input::placeholder{color:var(--t4)}
.mrow input:focus{border-color:var(--t2)}
.mrow .btn{border:0;border-bottom:1px solid var(--t0);padding:8px 0;color:var(--t0);
  background:none;align-self:flex-start;font-size:12.5px}
.mrow .btn:hover{background:none;opacity:.6}
.mnote{margin-top:11px;font-family:var(--mono);font-size:10.5px;color:var(--t4);line-height:1.5}

@media (max-width:900px){
  .mcols{grid-template-columns:1fr;gap:10px}
  .mside{position:static;padding-top:34px;border-top:1px solid var(--line-soft)}
}

/* ── a single post ──────────────────────────────────────── */
.article{max-width:648px;margin:0 auto;padding:58px 0 84px}
.article .back{font-family:var(--mono);font-size:11px;color:var(--t4);letter-spacing:.06em}
.article .back:hover{color:var(--t1)}
.article .pmeta{margin-top:30px;font-family:var(--mono);font-size:10.5px;color:var(--t4);
  letter-spacing:.11em;text-transform:uppercase}
.article h1{font-size:33px;line-height:1.2;letter-spacing:-.03em;margin:13px 0 17px}
.article .stand{font-size:17px;line-height:1.62;color:var(--t2);margin:0 0 30px;
  padding-bottom:26px;border-bottom:1px solid var(--line-soft)}
.article p{font-size:15px;line-height:1.78;color:var(--t2);margin:0 0 19px}
.article h2{font-size:18px;color:var(--t0);margin:38px 0 13px;letter-spacing:-.012em}
.article b{color:var(--t1);font-weight:500}
.article code{background:var(--fill-2);padding:1px 5px;font-size:.88em}
.article .code{margin:24px 0}
.article .code code{background:none;padding:0}
.article a:not(.back){color:var(--t1);border-bottom:1px solid var(--t4)}
.article .end{margin-top:44px;padding-top:24px;border-top:1px solid var(--line-soft);
  font-family:var(--mono);font-size:11.5px;color:var(--t4)}
.article .end a{color:var(--t2)}
@media (max-width:760px){ .mhead h1{font-size:30px} .article h1{font-size:26px} }

/* ── opening sequence ───────────────────────────────────────
   The overlay is injected by intro.js and removed by it. Nothing here
   hides page content on its own — if the script never runs, none of
   these classes are ever applied. */
.intro-lock{overflow:hidden}
.intro{position:fixed;inset:0;z-index:100;background:var(--bg);
  display:grid;place-items:center;cursor:pointer;
  transition:transform .78s cubic-bezier(.76,0,.24,1)}
.intro.out{transform:translateY(-101%)}
.intro-in{display:flex;flex-direction:column;align-items:center;gap:20px}
.intro-mark{width:54px;height:54px;color:var(--t0)}
.intro-mark svg{width:100%;height:100%;display:block}
.intro-mark .s{fill:currentColor;opacity:0;transform:translateY(7px);
  animation:slab .62s cubic-bezier(.16,1,.3,1) forwards}
.intro-mark .s1{animation-delay:.04s}
.intro-mark .s2{animation-delay:.19s}
.intro-mark .s3{animation-delay:.34s}
@keyframes slab{ to{opacity:1;transform:none} }
/* the stack settles into the logo's own tonal steps */
.intro-mark .s2{--o:.62} .intro-mark .s3{--o:.32}
.intro-mark .s2,.intro-mark .s3{animation-name:slab-dim}
@keyframes slab-dim{ to{opacity:var(--o);transform:none} }
.intro-n{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--t3)}

/* headline words rise out of a mask once the overlay lifts */
.w{display:inline-block;overflow:hidden;vertical-align:bottom}
.w > i{display:inline-block;font-style:inherit}
.hero-anim .w > i{transform:translateY(108%);
  transition:transform .82s cubic-bezier(.16,1,.3,1)}
.hero-anim.hero-in .w > i{transform:none}
@media (prefers-reduced-motion:reduce){
  .intro,.intro-mark .s,.hero-anim .w > i{animation:none!important;transition:none!important}
  .hero-anim .w > i{transform:none!important}
}

/* honeypot — off-screen for bots, invisible and unreachable for people */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ── page transitions ───────────────────────────────────────
   Cross-document view transitions: the browser snapshots the old page, loads
   the new one, and crossfades between them — so navigation has no white flash
   and the header stays put. Browsers without support just navigate normally;
   the headline stagger in intro.js still runs either way. */
@view-transition { navigation: auto; }

::view-transition-old(root){ animation: vt-out .18s ease both }
::view-transition-new(root){ animation: vt-in .42s cubic-bezier(.16,1,.3,1) both }
@keyframes vt-out{ to{ opacity:0 } }
@keyframes vt-in { from{ opacity:0; transform:translateY(8px) } }

/* the chrome is the same on every page, so let it morph in place instead of
   fading out and back in — that is what stops the nav flickering on each click */
header.topnav{ view-transition-name: topnav }
footer.foot  { view-transition-name: sitefoot }
::view-transition-old(topnav),::view-transition-new(topnav),
::view-transition-old(sitefoot),::view-transition-new(sitefoot){ animation:none; mix-blend-mode:normal }

/* Under reduced motion the transition still happens but instantly, which is
   the same thing as not happening. Keeping @view-transition at the top level
   only — nesting it in a media query is needlessly fragile. */
@media (prefers-reduced-motion:reduce){
  ::view-transition-old(root),::view-transition-new(root){ animation:none !important }
}

/* ── announcement bar ───────────────────────────────────────
   Injected by site.js above .topnav. An inverted slab: the page's foreground
   colour becomes its background, so it reads as a banner in both themes and
   needs no :root.light override of its own — the four --ann-* tokens do it. */
.ann{position:relative;z-index:50;background:var(--ann-bg);color:var(--ann-fg)}
.ann .in{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:15px;
  padding:0 26px;min-height:46px}
.ann-dot{flex:0 0 7px;width:7px;height:7px;border-radius:50%;background:var(--st-good);
  animation:ann-pulse 2.6s ease-in-out infinite}
@keyframes ann-pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* fixed-height window; the messages stack inside it and cross-fade through */
.ann-rot{position:relative;flex:1 1 auto;height:22px;min-width:0;overflow:hidden}
.ann-msg{position:absolute;inset:0;display:flex;align-items:center;gap:9px;font-size:13.5px;
  color:var(--ann-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity .4s ease,transform .4s ease}
.ann-msg.on{opacity:1;transform:none;pointer-events:auto}
.ann-msg b{color:var(--ann-fg);font-weight:600}
.ann-msg .tag{flex:0 0 auto;padding:2px 7px;font-family:var(--mono);font-size:9.5px;
  letter-spacing:.13em;text-transform:uppercase;color:var(--ann-bg);background:var(--ann-fg)}

.ann-cta{flex:0 0 auto;padding:6px 14px;font-size:12.5px;font-weight:500;cursor:pointer;
  background:var(--ann-fg);color:var(--ann-bg);white-space:nowrap;transition:opacity .13s}
.ann-cta:hover{opacity:.82}
.ann-x{flex:0 0 auto;padding:4px 7px;font-size:16px;line-height:1;color:var(--ann-dim);
  cursor:pointer;transition:color .13s}
.ann-x:hover{color:var(--ann-fg)}

/* inline signup — swaps in where the rotator was, same row height */
.ann-form{display:none;flex:1 1 auto;align-items:center;gap:9px;min-width:0}
.ann.open .ann-form{display:flex}
.ann.open .ann-rot,.ann.open .ann-cta{display:none}
.ann-lead{flex:0 0 auto;font-size:13.5px;font-weight:600;color:var(--ann-fg);white-space:nowrap}
.ann-form input{flex:0 1 300px;min-width:0;padding:6px 10px;font-size:12.5px;
  color:var(--ann-fg);background:none;border:1px solid var(--ann-line)}
.ann-form input::placeholder{color:var(--ann-dim)}
.ann-form input:focus{border-color:var(--ann-fg)}
.ann-form button{flex:0 0 auto;padding:6px 14px;font-size:12.5px;font-weight:500;cursor:pointer;
  background:var(--ann-fg);color:var(--ann-bg);border:0;white-space:nowrap;transition:opacity .13s}
.ann-form button:hover:not(:disabled){opacity:.82}
.ann-form button:disabled{opacity:.5;cursor:default}
.ann-note{font-size:12.5px;color:var(--ann-dim);min-width:0;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.ann-note.ok{color:var(--ann-fg);font-weight:500}
.ann-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

@media (max-width:640px){
  .ann .in{padding:0 16px;gap:11px;min-height:44px}
  .ann-msg{font-size:12.5px}
  .ann-msg .tag{display:none}
  .ann-lead{display:none}
  .ann-form input{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
  .ann-dot{animation:none}
  .ann-msg{transition:none}
}