/* YAN Research — cyberpunk UI */
:root{
  --bg:#0a0f0a;
  --panel:#0d1710;
  --ink:#e5ffe6;
  --muted:#77ff88aa;
  --glow:#12ff58;
  --accent:#5cffd6;
  --danger:#ff5577;
  --brand:#2cff2c;
  --shadow:0 0 0.6rem rgba(18,255,88,.35), inset 0 0 0.6rem rgba(18,255,88,.15);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:radial-gradient(1200px 1200px at 20% -10%, #031, transparent),
  radial-gradient(1200px 1200px at 120% 10%, #042, transparent), var(--bg);
  color:var(--ink);font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  letter-spacing:.1px;
}
.bg-scanlines{
  position:fixed;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(to bottom, rgba(0,255,120,.02) 0 1px, transparent 1px 3px);
  mix-blend-mode:screen;opacity:.9
}
.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;justify-content:space-between;align-items:center;
  padding:.8rem 1rem;background:rgba(8,14,10,.85);backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(18,255,88,.25);
}
.brand{display:flex;align-items:center;gap:.6rem;font-family:'Share Tech Mono', monospace}
.brand .yan{color:var(--brand);font-weight:800;letter-spacing:.8px}
.brand .pipe{opacity:.4}
.brand .title{opacity:.9}
.actions{display:flex;gap:.5rem}
.btn{
  background:transparent;border:1px solid var(--glow);color:var(--ink);
  padding:.45rem .8rem;border-radius:.7rem;box-shadow:var(--shadow);cursor:pointer;
  font-family:'Share Tech Mono', monospace;letter-spacing:.6px
}
.btn:hover{transform:translateY(-1px);box-shadow:0 0 1rem rgba(18,255,88,.5), inset 0 0 .7rem rgba(18,255,88,.3)}
.btn.ghost{border-color:rgba(92,255,214,.7)}
.container{max-width:1200px;margin:0 auto;padding:1.2rem}
.hero h1{font-family:'Share Tech Mono', monospace;margin:.2rem 0 0;font-size:2.2rem}
.lede{max-width:900px;opacity:.85;margin:.4rem 0 1rem;color:var(--ink)}
.toolbar{display:flex;gap:.8rem;align-items:center;flex-wrap:wrap;margin:.8rem 0 1.2rem}
.search{flex:1;min-width:250px;background:var(--panel);border:1px solid rgba(18,255,88,.4);color:var(--ink);padding:.7rem 1rem;border-radius:.6rem;box-shadow:var(--shadow)}
.switch{display:flex;align-items:center;gap:.5rem;opacity:.85}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}
.card{
  background:linear-gradient(180deg, rgba(18,255,88,.05), rgba(18,255,88,.02) 40%, rgba(18,255,88,.04));
  border:1px solid rgba(18,255,88,.25);border-radius:1rem;box-shadow:var(--shadow);padding:1rem;position:relative;
}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:1rem}
.badge{font-size:.75rem;padding:.25rem .5rem;border:1px solid var(--accent);border-radius:.5rem;box-shadow:0 0 .7rem rgba(92,255,214,.35);color:var(--accent);font-family:'Share Tech Mono', monospace}
.card-title{margin:.3rem 0 0;font-size:1.3rem}
.card-desc{opacity:.9;margin:.4rem 0 .6rem}
.chips{display:flex;gap:.4rem;flex-wrap:wrap;margin:.4rem 0}
.chips .chip{font-size:.72rem;border:1px dashed rgba(92,255,214,.7);color:#bff;border-radius:.5rem;padding:.15rem .5rem}
.cta{display:flex;gap:.6rem;margin:.8rem 0 .2rem}
.panel{max-height:0;overflow:hidden;transition:max-height .35s ease;border-top:1px dashed rgba(92,255,214,.25);margin-top:.4rem}
.panel.open{max-height:900px}
.prose{font-family:'Share Tech Mono', monospace;line-height:1.45}
.prose p{margin:.6rem 0}
.prose code{background:#031b0e;border:1px solid rgba(18,255,88,.25);padding:.15rem .35rem;border-radius:.4rem}
.prose .note{color:#bff;opacity:.9}
.muted{color:#aaffb5cc}
.foot{padding:2rem 1rem;text-align:center;opacity:.8}
.hide{display:none !important}