:root{
  --ink:#05080f; --ink2:#0a1220; --panel:rgba(10,18,32,.82);
  --panel2:rgba(15,27,47,.9); --line:rgba(118,154,196,.22);
  --gold:#d9b45f; --gold2:#f4df9f; --cyan:#65e6d1; --blue:#73b9ff;
  --violet:#b49cff; --text:#e9eff8; --muted:#97a9bd; --warn:#ffd27a;
  --max:1240px; --sans:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  --mono:ui-monospace,"Cascadia Code",Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--text);font-family:var(--sans);line-height:1.6;
  background:var(--ink);min-height:100vh;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-3;
  background:url("vault-hero.jpg") center/cover no-repeat;
  filter:saturate(.85) contrast(1.08);opacity:.42;transform:scale(1.02);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(900px 500px at 12% -10%,rgba(101,230,209,.13),transparent 55%),
    radial-gradient(800px 520px at 92% 8%,rgba(217,180,95,.12),transparent 55%),
    linear-gradient(180deg,rgba(5,8,15,.62),rgba(5,8,15,.9) 45%,#05080f 100%);
}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--gold2)}
.wrap{max-width:var(--max);margin:0 auto;padding:24px 22px 80px}
.kicker{font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin:0 0 12px}
.hero{
  position:relative;overflow:hidden;border:1px solid rgba(217,180,95,.3);
  border-radius:24px;padding:58px 42px 36px;margin:18px 0 28px;
  background:linear-gradient(120deg,rgba(5,8,15,.76),rgba(9,18,32,.5));
  box-shadow:0 30px 90px -50px rgba(0,0,0,.9), inset 0 0 80px rgba(101,230,209,.04);
  backdrop-filter:blur(8px);
}
.hero::before{
  content:"";position:absolute;right:-120px;top:-160px;width:520px;height:520px;
  border:1px solid rgba(217,180,95,.25);border-radius:50%;
  box-shadow:0 0 0 30px rgba(217,180,95,.04),0 0 0 90px rgba(101,230,209,.03);
  pointer-events:none;
}
.hero h1{margin:0;font-size:clamp(2.5rem,6vw,5.8rem);line-height:.95;letter-spacing:-.05em;font-weight:650}
.hero h1 span{color:var(--gold2);font-weight:400}
.hero .lead{max-width:820px;color:#c2d0e2;font-size:clamp(1rem,1.6vw,1.25rem);margin:22px 0 0}
.hero .lead strong{color:var(--text);font-weight:600}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(101,230,209,.28);
  background:rgba(5,12,23,.55);color:#cfe9e4;border-radius:999px;padding:6px 11px;font-size:.78rem}
.pill.gold{border-color:rgba(217,180,95,.38);color:var(--gold2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:rgba(13,25,43,.8);
  color:var(--text);border-radius:10px;padding:10px 15px;font:inherit;font-size:.9rem;cursor:pointer}
.btn:hover{border-color:var(--gold);color:var(--gold2)}
.btn.primary{background:linear-gradient(135deg,#d9b45f,#b98d35);color:#161208;border-color:#e8ce8c;font-weight:700}
.btn.primary:hover{color:#161208;filter:brightness(1.08)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:24px 0 30px}
.stat{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:15px 16px}
.stat b{display:block;color:var(--gold2);font-size:1.55rem;line-height:1;font-variant-numeric:tabular-nums}
.stat span{display:block;color:var(--muted);font-size:.76rem;margin-top:6px;text-transform:uppercase;letter-spacing:.1em}
.panel{border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:20px}
.intro{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;margin-bottom:18px}
.intro h2{margin:0 0 8px;font-size:1.05rem;color:var(--blue)}
.intro p{margin:0;color:var(--muted);font-size:.92rem}
.notice{border-left:2px solid var(--gold);padding-left:14px;color:#c8d5e4;font-size:.88rem}
.notice b{color:var(--gold2)}
.controls{display:grid;grid-template-columns:1fr;gap:10px;margin:18px 0 12px}
input[type=search],select{background:rgba(8,15,27,.9);border:1px solid var(--line);color:var(--text);
  border-radius:10px;padding:11px 13px;font:inherit;font-size:.92rem;width:100%;outline:none}
input[type=search]:focus,select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(101,230,209,.08)}
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 6px}
.tab{border:1px solid var(--line);background:rgba(9,17,30,.75);color:#b9c8d9;border-radius:999px;
  padding:8px 13px;font:inherit;font-size:.82rem;cursor:pointer}
.tab:hover{border-color:var(--cyan);color:var(--cyan)}
.tab.on{border-color:var(--gold);color:var(--gold2);background:rgba(217,180,95,.09)}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0 18px}
.chip{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:7px;
  padding:5px 9px;font:inherit;font-size:.74rem;cursor:pointer}
.chip.on{border-color:var(--cyan);color:var(--cyan);background:rgba(101,230,209,.07)}
.label{display:flex;justify-content:space-between;gap:12px;align-items:end;margin:24px 0 10px}
.label h2{margin:0;font-size:1.22rem;letter-spacing:-.01em}
.label span{color:var(--muted);font-size:.8rem}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.card{position:relative;display:flex;flex-direction:column;min-height:230px;border:1px solid var(--line);
  border-radius:15px;padding:17px;background:linear-gradient(155deg,rgba(17,31,53,.9),rgba(8,16,29,.9));
  transition:.16s ease}
.card:hover{transform:translateY(-3px);border-color:rgba(217,180,95,.55);box-shadow:0 22px 50px -30px rgba(0,0,0,.9)}
.card-top{display:flex;justify-content:space-between;gap:8px;align-items:start;margin-bottom:9px}
.cat{font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);
  border:1px solid rgba(101,230,209,.25);padding:3px 7px;border-radius:4px;background:rgba(101,230,209,.05)}
.kind{font-size:.62rem;color:var(--muted);font-family:var(--mono);white-space:nowrap}
.card h3{margin:0 0 8px;font-size:1.02rem;line-height:1.32;letter-spacing:-.01em;color:#f1f0e8}
.card p{margin:0 0 12px;color:#aab9ca;font-size:.82rem;line-height:1.55}
.card .meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:5px 10px;color:#71879f;font-size:.7rem;font-family:var(--mono)}
.tags{display:flex;flex-wrap:wrap;gap:4px;margin:8px 0 10px}
.tag{font-size:.64rem;color:#9fb4ca;border:1px solid rgba(118,154,196,.2);border-radius:3px;padding:2px 5px}
.card .open{position:absolute;inset:0;border:0;background:transparent;cursor:pointer}
.card .open:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.grok .card-top .cat{color:var(--violet);border-color:rgba(180,156,255,.28);background:rgba(180,156,255,.06)}
.empty{padding:40px;text-align:center;color:var(--muted)}
.more{display:flex;justify-content:center;margin:24px 0}
.lattice{margin-top:38px;border-top:1px solid var(--line);padding-top:24px}
.lattice h2{font-size:1.15rem;margin:0 0 4px}
.lattice p{color:var(--muted);font-size:.84rem;margin:0 0 16px}
.domains{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.domain{border:1px solid var(--line);border-radius:11px;padding:12px 13px;background:rgba(9,17,30,.55)}
.domain a{display:block;color:var(--gold2);font-weight:600;font-size:.9rem}
.domain span{display:block;color:var(--muted);font-size:.72rem;margin-top:3px}
footer{margin-top:30px;color:#70839a;font-size:.75rem;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between}
.ad-label{font-size:.62rem;letter-spacing:.15em;color:#63788e;text-transform:uppercase;margin:22px 0 6px}
.ad-slot{min-height:90px;border:1px dashed rgba(118,154,196,.18);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#556b80;font-size:.74rem;background:rgba(5,11,20,.35)}
.reader{position:fixed;inset:0;z-index:80;background:rgba(2,5,10,.86);backdrop-filter:blur(10px);display:none;padding:22px}
.reader.open{display:block}
.reader-shell{max-width:1180px;height:calc(100vh - 44px);margin:0 auto;display:grid;grid-template-columns:280px minmax(0,1fr);
  border:1px solid rgba(217,180,95,.3);border-radius:18px;overflow:hidden;background:#070d16;box-shadow:0 40px 120px -40px #000}
.reader-side{border-right:1px solid var(--line);padding:24px 20px;background:linear-gradient(180deg,rgba(15,28,49,.85),rgba(6,12,22,.95));overflow:auto}
.reader-side .cat{display:inline-block;margin-bottom:12px}
.reader-side h2{font-size:1.32rem;line-height:1.2;margin:0 0 14px;color:#f4f0df}
.reader-side .meta{display:grid;gap:9px;color:var(--muted);font-size:.78rem;margin:16px 0}
.reader-side .meta b{display:block;color:#aab9ca;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:2px}
.reader-side .notice{margin-top:18px;font-size:.75rem}
.reader-main{overflow:auto;padding:34px clamp(22px,5vw,68px) 70px;background:#070d16}
.reader-main h1{font-size:clamp(1.7rem,3vw,2.5rem);line-height:1.14;margin:0 0 18px;color:#f5f0df}
.reader-main .dek{color:#b7c6d7;font-size:.88rem;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:24px}
.paper-body{max-width:820px;color:#d2dce8;font-size:1.02rem;line-height:1.8}
.paper-body h3{margin:1.6em 0 .45em;color:#f0d78c;font-size:1.18rem}
.paper-body p{margin:0 0 1.05em}
.paper-body pre{white-space:pre-wrap;word-break:break-word;background:#050a12;border:1px solid var(--line);
  padding:14px;border-radius:9px;color:#bfe8df;font-size:.8rem;overflow:auto}
.paper-body ul{padding-left:20px;margin:0 0 1.05em}
.paper-body li{margin:0 0 .3em}
.reader-close{display:none;position:absolute;right:34px;top:30px;z-index:2;border:1px solid var(--line);background:#0b1627;color:#dce6f2;
  width:38px;height:38px;border-radius:50%;font-size:1.2rem;cursor:pointer}
.reader.open .reader-close{display:block}.reader-close:hover{border-color:var(--gold);color:var(--gold2)}
.reader-tools{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.reader-tools button{font-size:.76rem}
.chat-note{border:1px solid rgba(180,156,255,.28);background:rgba(180,156,255,.06);color:#cfc6ff;border-radius:9px;padding:12px 14px;font-size:.82rem;margin-bottom:18px}
@media(max-width:1000px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero{padding:42px 28px 30px}
  .intro{grid-template-columns:1fr}
  .reader-shell{grid-template-columns:230px minmax(0,1fr)}
}
@media(max-width:720px){
  .wrap{padding:14px 13px 50px}
  .hero{padding:34px 20px 25px;border-radius:18px;margin-top:8px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .controls{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .domains{grid-template-columns:1fr}
  .reader{padding:0}
  .reader-shell{height:100vh;border-radius:0;grid-template-columns:1fr}
  .reader-side{border-right:0;border-bottom:1px solid var(--line);max-height:38vh}
  .reader-main{padding:24px 18px 60px}
  .reader-close{right:14px;top:12px}
}