/*!
 * Flarestamina — paper design system.
 *
 * One stylesheet for every page except the home page and the practice hub,
 * which stay self-contained (they are the two highest-traffic pages and are
 * better off without a second render-blocking request).
 *
 * Pair with /assets/paper.js, which handles the theme, the language toggle
 * and the mobile sheet. Both are versioned by content, so bump the ?v= when
 * you change them.
 *
 * Tokens live in :root. Never hard-code a colour in a page — add a token here.
 */

/* Self-hosted, subset to the characters this site actually uses. Serving them
   ourselves removes a render-blocking third-party stylesheet and two extra
   connections (fonts.googleapis.com + fonts.gstatic.com) from every page.
   Regenerate with `bash tools/brand/fonts.sh`. */
@font-face{
  font-family:Inter;
  src:url('/assets/fonts/inter-var.woff2') format('woff2-variations'),
      url('/assets/fonts/inter-var.woff2') format('woff2');
  font-weight:400 600;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"IBM Plex Mono";
  src:url('/assets/fonts/plex-mono-400.woff2') format('woff2');
  font-weight:400;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"IBM Plex Mono";
  src:url('/assets/fonts/plex-mono-500.woff2') format('woff2');
  font-weight:500;
  font-style:normal;
  font-display:swap;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#fff; --elev:#fff; --surface:#fff;
  --fg:#0a0a0a; --muted:#5c5c5c; --subtle:#6b6b6b;
  --border:color-mix(in oklab,#0a0a0a 10%,transparent);
  --border-strong:color-mix(in oklab,#0a0a0a 18%,transparent);
  --card:0 0 0 1px rgb(10 10 10 / .08), 0 1px 2px rgb(10 10 10 / .04);
  --card-hover:0 0 0 1px rgb(10 10 10 / .14), 0 8px 24px -16px rgb(10 10 10 / .18);
  --rail:linear-gradient(90deg,#2dd4bf,#38bdf8 32%,#818cf8 64%,#e879f9 100%);
  --ok:#15803d; --warn:#b45309; --bad:#b91c1c; --dim:#8a8a8a;
  --sans:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --wrap:72rem; --narrow:44rem;
}
html.dark,html[data-theme="dark"]{
  --bg:#000; --elev:#0a0a0a; --surface:#111;
  --fg:#f5f5f5; --muted:#9a9a9a; --subtle:#808080;
  --border:color-mix(in oklab,#f5f5f5 12%,transparent);
  --border-strong:color-mix(in oklab,#f5f5f5 22%,transparent);
  --card:0 0 0 1px rgb(255 255 255 / .1);
  --card-hover:0 0 0 1px rgb(255 255 255 / .18);
  --ok:#4ade80; --warn:#fbbf24; --bad:#f87171; --dim:#5c5c5c;
  color-scheme:dark;
}

html{background:var(--bg);color:var(--fg);scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
::selection{background:var(--fg);color:var(--bg)}
:focus-visible{outline:2px solid var(--fg);outline-offset:3px}
h1,h2,h3,h4{font-weight:500;letter-spacing:-.03em;line-height:1.15}
hr{border:0;border-top:1px solid var(--border)}

/* ---------- layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.25rem}
.wrap.narrow{max-width:var(--narrow)}
@media(min-width:640px){.wrap{padding:0 2rem}}
.skip{position:absolute;left:-9999px;top:0;padding:.6rem 1rem;background:var(--fg);color:var(--bg);border-radius:0 0 6px 0;z-index:100}
.skip:focus{left:0}
.kicker{font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--subtle)}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.rail{height:3px;border-radius:2px;background:var(--rail)}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:60;background:color-mix(in oklab,var(--bg) 85%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .2s}
.hdr.on{border-bottom-color:var(--border)}
.hdr-in{max-width:var(--wrap);margin:0 auto;padding:0 1.25rem;height:4rem;display:flex;align-items:center;gap:.6rem}
@media(min-width:640px){.hdr-in{padding:0 2rem}}
.brand{display:flex;align-items:center;gap:.6rem;font-size:.95rem;font-weight:500;letter-spacing:-.01em;white-space:nowrap}
.brand svg{width:1.4rem;height:1.4rem;flex:none}
.hdr-nav{display:none;flex:1;justify-content:center;gap:1.75rem}
.hdr-nav a{font-size:.875rem;color:var(--muted);transition:color .15s}
.hdr-nav a:hover,.hdr-nav a[aria-current="page"]{color:var(--fg)}
@media(min-width:900px){.hdr-nav{display:flex}}
.hdr-sp{flex:1}
@media(min-width:900px){.hdr-sp{display:none}}
.hdr-desk{display:none;gap:.5rem;align-items:center}
@media(min-width:900px){.hdr-desk{display:flex}}
.burger{display:grid}
@media(min-width:900px){.burger{display:none}}

.lang{display:flex;height:2rem;border:1px solid var(--border);border-radius:999px;padding:2px;font-size:.72rem;font-weight:500;flex:none}
.lang button{min-width:2.1rem;border-radius:999px;padding:0 .5rem;color:var(--muted);transition:color .15s,background .15s}
.lang button.on{background:var(--fg);color:var(--bg)}
.icon-btn{width:2.5rem;height:2.5rem;display:grid;place-items:center;border-radius:999px;color:var(--muted);flex:none}
.icon-btn:hover{color:var(--fg)}
.hi{font-size:.85rem;color:var(--muted);white-space:nowrap;max-width:8rem;overflow:hidden;text-overflow:ellipsis}

.sheet{position:fixed;inset:4rem 0 auto;z-index:55;background:var(--bg);border-bottom:1px solid var(--border);padding:1rem 1.25rem 1.5rem;display:none}
.sheet.on{display:block}
@media(min-width:900px){.sheet{display:none!important}}
.sheet>a{display:block;padding:.85rem 0;font-size:1rem;border-bottom:1px solid var(--border)}
.sheet .row{display:flex;gap:.6rem;margin-top:1rem}
.sheet .row .btn{flex:1}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;height:2.35rem;padding:0 1.05rem;border-radius:999px;font-size:.875rem;font-weight:500;white-space:nowrap;transition:box-shadow .18s,background .18s,border-color .18s}
.btn.ghost{border:1px solid var(--border-strong)}
.btn.ghost:hover{background:color-mix(in oklab,var(--fg) 5%,transparent)}
.btn.solid{background:var(--fg);color:var(--bg)}
.btn.solid:hover{box-shadow:0 8px 22px -12px rgb(10 10 10 / .55)}
.btn.lg{height:2.9rem;padding:0 1.5rem;font-size:.95rem}
.btn.block{width:100%}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.5;pointer-events:none}

/* ---------- page head ---------- */
.page-head{padding:3.5rem 0 2rem}
@media(min-width:640px){.page-head{padding:4.5rem 0 2.5rem}}
.page-head h1{margin-top:.7rem;font-size:clamp(1.9rem,5vw,2.75rem);letter-spacing:-.04em}
.page-head .lede{margin-top:1rem;max-width:38rem;color:var(--muted);line-height:1.7}
.page-head .rail{width:200px;margin-top:1.5rem}

/* ---------- cards, lists, tables ---------- */
.card{border-radius:6px;background:var(--surface);padding:1.5rem;box-shadow:var(--card);transition:box-shadow .2s}
a.card:hover{box-shadow:var(--card-hover)}
.grid{display:grid;gap:.75rem}
.grid.c2{grid-template-columns:1fr}
.grid.c3{grid-template-columns:1fr}
.grid.c4{grid-template-columns:1fr 1fr}
@media(min-width:640px){.grid.c2{grid-template-columns:1fr 1fr}.grid.c3{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.grid.c3{grid-template-columns:repeat(3,1fr)}.grid.c4{grid-template-columns:repeat(4,1fr)}}

.rows{border-top:1px solid var(--border)}
.rows>a,.rows>li{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--border);list-style:none}
.rows>a:hover{color:var(--fg)}
.rows b{display:block;font-weight:500;letter-spacing:-.01em}
.rows small{display:block;margin-top:.15rem;font-size:.8rem}
.rows svg{flex:none;opacity:.45;transition:transform .15s,opacity .15s}
.rows>a:hover svg{opacity:1;transform:translate(2px,-2px)}

.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:6px;box-shadow:var(--card)}
table{border-collapse:collapse;width:100%;font-size:.9rem;background:var(--surface)}
th,td{padding:.7rem .9rem;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
th{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--subtle);font-weight:500}
tr:last-child td{border-bottom:0}

.chip{display:inline-flex;align-items:center;gap:.35rem;height:1.9rem;padding:0 .75rem;border-radius:999px;border:1px solid var(--border);font-size:.78rem;color:var(--muted);transition:color .15s,border-color .15s,background .15s}
.chip:hover{color:var(--fg);border-color:var(--border-strong)}
.chip.on{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.badge{display:inline-block;font-family:var(--mono);font-size:.65rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:.2rem .55rem}
.badge.ok{color:var(--ok);border-color:color-mix(in oklab,var(--ok) 40%,transparent)}
.badge.warn{color:var(--warn);border-color:color-mix(in oklab,var(--warn) 40%,transparent)}
.badge.bad{color:var(--bad);border-color:color-mix(in oklab,var(--bad) 40%,transparent)}

.fl{color:inherit}  /* legacy accent span from the orange design — now inherits */
.opts{display:flex;flex-wrap:wrap;gap:.45rem}
.opts button{display:inline-flex;align-items:center;justify-content:center;min-width:3.2rem;height:2.4rem;padding:0 .85rem;border-radius:999px;border:1px solid var(--border);font-size:.85rem;color:var(--muted);transition:color .15s,border-color .15s,background .15s}
.opts button:hover{color:var(--fg);border-color:var(--border-strong)}
.opts button.on{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.q{margin-bottom:1.6rem}
.q>label{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--subtle);margin-bottom:.6rem}
.cta-card{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;margin-top:3rem;border-radius:6px;background:var(--surface);box-shadow:var(--card);padding:1.35rem 1.4rem}
.cta-card .t{display:block;font-weight:500;letter-spacing:-.02em}
.cta-card .s{display:block;margin-top:.25rem;font-size:.85rem;color:var(--muted)}
.more{margin-top:1.5rem;display:flex;flex-wrap:wrap;gap:.5rem}
.sec{margin-top:3.5rem}
.sec h2{font-size:1.4rem;margin-bottom:1rem}
.note{border-left:2px solid var(--border-strong);padding:.15rem 0 .15rem 1rem;color:var(--muted);font-size:.9rem;line-height:1.7}

/* ---------- forms ---------- */
.field{display:block;margin-bottom:1rem}
.field .lb{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--subtle);margin-bottom:.4rem}
.input{width:100%;height:2.85rem;padding:0 .95rem;border:1px solid var(--border-strong);border-radius:8px;background:var(--elev);color:var(--fg);font-size:1rem;transition:border-color .15s}
.input:focus{outline:0;border-color:var(--fg)}
.input::placeholder{color:var(--subtle)}
textarea.input{height:auto;min-height:8rem;padding:.8rem .95rem;line-height:1.6;resize:vertical}
select.input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:2.5rem}
.err{color:var(--bad);font-size:.85rem;margin-top:.5rem;min-height:1.2em}

/* ---------- prose ---------- */
.prose{max-width:var(--narrow);font-size:1.0625rem;line-height:1.75}
.prose>*+*{margin-top:1.15rem}
.prose h2{margin-top:2.75rem;font-size:1.5rem}
.prose h3{margin-top:2rem;font-size:1.175rem}
.prose p,.prose li{color:var(--muted)}
.prose strong{color:var(--fg);font-weight:500}
.prose a{border-bottom:1px solid var(--border-strong)}
.prose a:hover{border-bottom-color:var(--fg)}
.prose ul,.prose ol{padding-left:1.25rem}
.prose li+li{margin-top:.5rem}
.prose blockquote{border-left:2px solid var(--border-strong);padding-left:1.15rem;color:var(--muted)}
.prose code{font-family:var(--mono);font-size:.9em;background:color-mix(in oklab,var(--fg) 6%,transparent);border-radius:4px;padding:.15em .4em}
.prose figure figcaption{font-size:.85rem;color:var(--subtle);margin-top:.5rem}
.prose img{border-radius:6px}

/* ---------- news article ---------- */
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:1.5rem}
.crumbs a:hover{color:var(--fg)}
.post h1{font-size:clamp(1.8rem,4.6vw,2.5rem);letter-spacing:-.04em;line-height:1.15}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .8rem;margin-top:1.1rem;font-size:.82rem;color:var(--muted)}
.post-meta time{font-family:var(--mono);font-size:.75rem}
.post-meta a{border-bottom:1px solid var(--border)}
.post-meta a:hover{border-bottom-color:var(--fg)}
.post-meta .chip{height:1.7rem;font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase}
.post>.rail{width:160px;margin-top:1.5rem}
.facts{border-radius:6px;background:var(--surface);box-shadow:var(--card);padding:1.25rem 1.35rem;margin:2rem 0}
.facts h2{margin:0 0 .7rem;font-size:.7rem;font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--subtle)}
.facts ul{padding-left:1.1rem;color:var(--muted);font-size:.92rem;line-height:1.75}
.facts li+li{margin-top:.35rem}
.facts strong{color:var(--fg);font-weight:500}
.uz{border-left:2px solid var(--border-strong);padding:.3rem 0 .3rem 1.15rem;margin:2rem 0;color:var(--muted);font-size:.92rem;line-height:1.75}
.uz b,.uz strong{color:var(--fg);font-weight:500}
.source{margin:2rem 0;font-size:.82rem;color:var(--subtle);line-height:1.7}
.source a{border-bottom:1px solid var(--border-strong)}
.post-nav{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:.5rem}

/* ---------- footer ---------- */
.ftr{border-top:1px solid var(--border);padding:3.5rem 0 2.5rem;margin-top:5rem}
.f-grid{display:grid;gap:2.5rem}
@media(min-width:760px){.f-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.f-brand .brand{margin-bottom:.85rem}
.f-brand p{font-size:.85rem;color:var(--muted);max-width:20rem;line-height:1.6}
.f-col p{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--subtle);margin-bottom:.85rem}
.f-col a{display:block;padding:.35rem 0;font-size:.875rem;color:var(--muted);transition:color .15s}
.f-col a:hover{color:var(--fg)}
.f-base{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;justify-content:space-between;font-size:.75rem;color:var(--subtle)}

/* ---------- motion ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}